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Главная страница Новости Все новости Кубок Льва Толстого

Кубок Льва Толстого

11.09.2021 - 12.09.2021 Ясная поляна, Тульская область

С большим отрывом первое место занял Аниш Гири

Круговой турнир в рапид

Контроль времени: 15 минут на партию с добавлением 10 секунд на ход

Участники

1. Нодирбек Абдусатторов
Рейтинг: 2780
18.09.2004
Узбекистан

2. Аниш Гири
Рейтинг: 2753
28.06.1994
Нидерланды

3. Дмитрий Андрейкин
Рейтинг: 2710
05.02.1990
ФИДЕ

4. Евгений Томашевский
Рейтинг: 2681
01.07.1987
Россия

5. Никита Витюгов
Рейтинг: 2667
04.02.1987
Великобритания

6. Кирилл Алексеенко
Рейтинг: 2656
22.06.1997
Австрия

7. Борис Гельфанд
Рейтинг: 2635
24.06.1968
Израиль

8. Антон Коробов
Рейтинг: 2610
25.06.1985
Украина

9. Максим Матлаков
Рейтинг: 2598
05.03.1991
Россия

10. Давид Паравян
Рейтинг: 2593
08.03.1998
ФИДЕ

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "1.1"]
[White "Alekseenko, Kirill"]
[Black "Matlakov, Maxim"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2693"]
[BlackElo "2683"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,125,8,22,15,31,19,27,12,11,7,15,15,25,19,26,11,25,16,12,12,11,10,13,
11,19,20,20,15,28,12,29,16,20,-8,29,0,2,0,1,0,12,-1,0,-91,-89,-89,-89,-88,-93,
-92,-100,-98,-93,-126,-72,-91,-95,-97,-100,-104,-85,-92,-92,-93,-82,-93,-83,
-93,-93,-114,-112,-111,-110,-118,-64,-68,0,-75,-75,-86,-82,-169,-164,-156,-152,
-153,-90,-121,-68,-97,-77,-96,0,-68,-64,-64,-64,-64,-64,-64,0,-64,0,-64,-64,
-64,-64,-64,0,0,0,-64,0,0,0,-72]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5.
c3 d6 6. O-O a6 7. a4 $1 {[%mdl 4] is now more promising than 7.Bb3. C54:
Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Ba7 8. Nbd2 O-O 9. h3 {
White has an edge.} h6 10. b4 Re8 11. Re1 Be6 12. Bxe6 Rxe6 13. Qc2 Qd7 14. Nf1
d5 15. Be3 Bxe3 16. Nxe3 Ne7 17. a5 Ng6 {[#]} 18. c4 $146 {[%cal Rc4d5]} ({
Predecessor:} 18. g3 Rd8 19. Kg2 Qc6 20. Nf5 Ne7 21. Nxe7+ Rxe7 22. c4 dxe4 23.
dxe4 Qe8 24. Rad1 {1-0 (33) Ding,L (2791)-Carlsen,M (2863) chess24.com INT 2020
}) 18... d4 19. Nf5 Kh7 20. Qd2 Rae8 21. Rf1 Ne7 22. Ng3 Ng6 (22... c5 $5) 23.
Kh2 c5 24. Rfb1 Qc7 25. b5 Ra8 26. Rb3 Ne8 27. Rab1 {[#]} (27. Nf5 $11) 27...
axb5 $1 $17 28. Rxb5 Nd6 29. Rb6 {[#]} Ne7 $1 {[%cal Bg6e7,Be7c8,Bc8d6][%mdl
32]} 30. Nh4 Nec8 31. R6b2 Qxa5 32. Qe2 Qd8 (32... g6 $142 33. Nf1 Qd8) 33.
Nhf5 g6 34. Nxd6 Nxd6 35. Nf1 Kg7 36. Nd2 Ra3 37. g3 Qa5 38. Nb3 Qc7 39. Nd2
Re8 40. Kg2 Rea8 41. Nf3 Qe7 42. h4 Rc3 (42... h5 $17 43. Rb6 f6) 43. h5 $15
Raa3 ({But not} 43... gxh5 $6 44. Rb6 $14) (43... g5 $15) 44. Ne1 (44. hxg6 $1
$11 {remains equal.} Rxd3 45. Nh4) 44... g5 $17 45. Rc2 Rxc2 46. Nxc2 (46. Qxc2
$17 Ra6 47. Nf3) 46... Ra2 $19 47. Qd1 Qd7 48. Ne1 Qc6 (48... f5 $142 49. Qb3
Ra6 50. exf5 g4) 49. Nf3 $17 f6 (49... f5 $17 50. Qb3 Ra6 51. Nxe5 Qe8) 50. Qb3
Ra4 (50... Ra6 {with more complications.} 51. Qd1 b6 52. Rb2 Qa8 53. Qe2 Qb7)
51. Qc2 Qa6 (51... Ra6 $17 52. Rb2 b6) 52. Nh2 (52. Rb6 $1 $11 Qxb6 53. Qxa4)
52... Ra3 53. Qd1 Qc6 54. Kg1 Qd7 55. Kg2 Qc6 ({Better is} 55... Qf7 $15) 56.
Ng4 ({White should try} 56. Kg1 $1 $11) 56... Qd7 (56... Qe8 $15 57. Rb6 Ra6)
57. Qf3 (57. Nh2 $1 $11) 57... Qe6 $15 58. Rb6 {Black must now prevent Rxd6!}
Ra6 59. Rb2 Ra3 60. Rb6 {Strongly threatening Rxd6!} Ra6 61. Rb2 Ra3 62. Rb6 {
Hoping for Rxd6!} Ra6 63. Rb2 $1 {Weighted Error Value: White=0.17/Black=0.14}
1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "1.2"]
[White "Giri, Anish"]
[Black "Gelfand, Boris"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2777"]
[BlackElo "2680"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,61,0,7,-44,0,0,46,42,51,45,49,41,49,39,24,24,43,30,28,12,42,33,47,42,
76,38,65,16,188,160,133,208,267,256,263,254,290,287,286,280,292,279,401,388,
422,384,490,490,504,505]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Qd3 dxc4 6.
Qxc4 b5 7. Qd3 a6 8. g4 {D43: Semi-Slav: 5 Bg5 h6.} ({White should try} 8. e4
$11) 8... c5 9. g5 Nd5 10. dxc5 {White is slightly better.} Bb7 11. Nxd5 Qxd5
12. Qxd5 Bxd5 13. Be3 Nc6 14. Bg2 {[#]} h6 $146 ({Predecessor:} 14... g6 15.
O-O Bg7 16. Rfb1 O-O 17. Ne1 Rfd8 18. Nd3 Rac8 19. Rd1 Bd4 20. h4 Bxe3 21. fxe3
{1-0 (44) Deac,B (2626)-Horvath,D (2449) Caleta 2020}) 15. g6 Be7 16. a4 {
[#] And now axb5 would win.} bxa4 17. Rxa4 fxg6 18. O-O Bf6 19. Rfa1 a5 20. Bd4
Ke7 $2 {A mistake that costs the game.} (20... O-O $11) 21. e4 $1 $18 Bb3 22.
e5 Bxa4 23. exf6+ ({Weaker is} 23. Rxa4 Nxd4 24. exf6+ (24. Rxd4 Rhd8 $11)
24... Kxf6 $16) 23... gxf6 {[#] ...Bb3 is the strong threat.} 24. Rxa4 Rab8 25.
Bc3 ({Resist} 25. Nh4 $6 Rhc8 $16) 25... Rhc8 26. Nd2 Rb5 27. Ne4 Rcb8 (27...
Rf8 $142 28. Bf1 Rb7) 28. Bxf6+ Kf8 29. Bc3 Rd8 30. Bf3 e5 31. Nd6 {Weighted
Error Value: White=0.11/Black=0.42} 1-0

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "1.3"]
[White "Vitiugov, Nikita"]
[Black "Korobov, Anton"]
[Result "1/2-1/2"]
[ECO "E48"]
[WhiteElo "2727"]
[BlackElo "2685"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,77,-7,0,-14,-3,-5,0,0,0,0,1,6,46,30,50,-48,-47,-46,-41,-37,-47,-94,
-76,-122,-127,-105,-46,-40,-43,-25,-24,-55,-29,-35,-14,-95,-41,-64,-19,-45,-37,
-54,-57,-52,0,-92,-81,-92,0,0,0,-13,-14,-14,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6
2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. Nge2 Re8 8. Bd2 {
E48: Nimzo-Indian: Rubinstein: 5 Bd3 d5 including 6 Ne2, but excluding 6 a3.}
Bd6 9. Qc2 a6 {[#]} 10. f3 $146 ({Predecessor:} 10. O-O Nbd7 11. Nf4 Nb6 12.
Rad1 c6 13. g3 Bd7 14. Nce2 a5 15. f3 Qe7 16. g4 h6 17. b3 c5 18. dxc5 Bxc5 19.
Nd4 {1/2-1/2 (19) Moradiabadi,E (2545)-Zhou,J (2608) Dulles 2019}) 10... c5 11.
dxc5 Bxc5 12. e4 Nc6 {And now ...Nb4 would win.} 13. Nxd5 Ne5 14. O-O-O (14.
Nxf6+ $1 $14 Qxf6 15. O-O-O) 14... Nxd5 $15 15. exd5 Nxd3+ 16. Qxd3 Re5 $1 17.
Ng3 Rxd5 18. Qe4 Be6 19. Bc3 Rc8 (19... b5 $17 20. Rxd5 Qxd5) 20. Rxd5 Bxd5 21.
Qg4 {[%csl Gc3][%cal Rg4g7]} Bf8 {Threatens to win with ...Be6.} 22. Rd1 {
[#] Black must now prevent Qh5.} Rxc3+ $1 23. bxc3 Qa5 $36 {[%mdl 2048] Black
has some pressure.} 24. Qc8 (24. Qd4 $11 {keeps the balance.} Bxa2 25. Rd2)
24... Qxa2 (24... Be6 $17 25. Qd8 Qxa2) 25. Rd2 $1 {[%cal Rd2a2]} (25. Nf5 $2
Qa3+ 26. Kd2 Be6 $19) 25... Qa1+ {[%mdl 1024] Black has compensation.} 26. Kc2
Qa4+ 27. Kd3 Qb5+ $1 28. Ke3 $1 {Threatening Nf5.} Be6 (28... Qb6+ $15 29. Rd4
Qc5 30. Qxc5 Bxc5) 29. Qd8 {[#]} (29. Qb8 $1 $11 {remains equal.}) 29... a5 $1
$17 30. Ne4 {[#]} a4 ({Better is} 30... f5 $1 $17 {[%cal Rf5e4]} 31. Nd6 Qc5+ {
[%mdl 64] Double Attack} 32. Ke2 Qxc3) 31. Qa8 {The position is equal.} Qb6+
32. Kf4 $1 Qc7+ 33. Ke3 $1 Qb6+ ({Inferior is} 33... Qxh2 34. Rd8 $16) 34. Kf4
$1 g5+ (34... f5 $5 35. Rd8 $8 g5+ 36. Nxg5 (36. Kxg5 $2 Kg7 $19) 36... Qc7+ {
[%mdl 64] Double Attack} 37. Ke3 Qxc3+ 38. Kf2 Qc5+ 39. Kg3 f4+ {[%mdl 64]
Discovered Attack} 40. Kh4 Bf5 $11) 35. Kg3 $1 Qc7+ 36. Kf2 {Hoping for Nf6+.}
Qb6+ $1 37. Kg3 Qc7+ 38. Kf2 {aiming for Nf6+.} Qb6+ $1 39. Kg3 {Weighted
Error Value: White=0.18/Black=0.10} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "1.4"]
[White "Abdusattorov, Nodirbek"]
[Black "Paravyan, David"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2648"]
[BlackElo "2660"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,79,12,7,13,7,22,15,18,0,64,70,65,61,56,27,43,26,44,44,44,44,44,44,49,
40,46,17,32,12,14,14,14,14,14,14,12,-89,-57,-80,-108,-86,110,176,470,374,493,
418,596,594,565,391,385,390,387,387,379,383,373,317,352,352,299,263,631,617,
795,786,939,941]} 1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. Bxf6 exf6 5. e3 Be6 6. Bd3
Nc6 7. Nge2 Qd7 {A80: Dutch Defence: Unusual White second moves.} 8. a3 g6 9.
h4 $5 {[%mdl 4] [#] Exploring less charted territory.} Bd6 $146 {The position
is equal.} ({Predecessor:} 9... a6 10. Nf4 Bf7 11. Qf3 O-O-O 12. b4 Ne5 13.
dxe5 fxe5 14. Nfe2 e4 15. Qh3 Bg7 {1/2-1/2 (52) Romanelli,G (2085)-Biancosino,
R (2044) Moron 2016}) 10. Nb5 O-O-O (10... Be7 $11) 11. Nxd6+ $14 Qxd6 12. Qd2
Kb8 13. O-O-O Rhe8 14. h5 g5 15. h6 Ne7 16. Ng3 Qd7 17. Nh5 Rf8 18. f3 Nc8 19.
Ng7 Nd6 20. Kb1 Bf7 21. c3 Bg6 22. Qc2 Rf7 23. Rdg1 Re7 24. g4 (24. Re1 $11 {
remains equal.}) 24... Rxe3 25. gxf5 {[#]} Rxd3 $1 26. fxg6 {[#]} (26. Qxd3 $2
Nxf5 27. Ka1 (27. Nxf5 $2 Bxf5 28. Rd1 Bxd3+ $19) 27... Nxh6 $1 $19 {[%mdl 512]
}) 26... Nc4 $1 27. Rh2 ({Don't go for} 27. gxh7 $2 Rd2 $19) (27. Qxd3 $16 Qb5
28. Qxc4 dxc4 29. Re1 (29. gxh7 Qd7 $14)) (27. Qxd3 Qb5) 27... Qb5 $2 (27...
Rxf3 28. gxh7 Rh8) 28. Ka2 Ne3 29. Qb3 Qxb3+ (29... Qc6 $142 30. gxh7 Rh8) 30.
Kxb3 $18 hxg6 31. h7 Rh8 {[#]} 32. Ne8 $1 {[%cal Re8f6][%mdl 512]} Nf5 {
...Nxd4+ is the strong threat.} 33. Nxf6 Nxd4+ 34. Ka2 {aiming for Re1.} Nxf3
35. Rh3 c6 36. Rgg3 g4 37. Nxg4 {Strongly threatening Nf6.} Ne1 $2 (37... Ne5)
38. Nf6 {[%mdl 64] Discovered Attack. White is clearly winning.} ({Not} 38.
Rxd3 Nxd3 39. Rxd3 Rxh7 $18) 38... Rd2 39. Rxg6 {And now Rg8+ would win.} Kc7
40. Rg8 {Weighted Error Value: White=0.21/Black=0.51} 1-0

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "1.5"]
[White "Andreikin, Dmitry"]
[Black "Tomashevsky, Evgeny"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2728"]
[BlackElo "2708"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,43,3,10,3,6,14,14,14,8,8,8,8,8,7,8,8,9,6,10,12,12,0,0,0,34,41,40,39,
52,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Be7 5. Bf4 O-O 6. e3 Nbd7 7. c5
Nh5 8. Bd3 {D37: Queen's Gambit Declined: 5 Bf4.} Nxf4 9. exf4 b6 10. b4 a5 11.
a3 c6 12. O-O Ba6 $1 {[%mdl 4] is now more promising than 12...Qc7.} 13. g3 Bf6
14. Ne5 Bxe5 15. fxe5 Bxd3 16. Qxd3 {[#]} Ra7 $146 {[%cal Ba8a7,Ba7c7,Bc7c6]
[%mdl 32]} ({Predecessor:} 16... f6 17. f4 fxe5 18. fxe5 axb4 19. axb4 Rxf1+
20. Qxf1 b5 21. h4 Nf8 22. Qc1 Rxa1 23. Qxa1 {1/2-1/2 (39) Kudrya,A-Boulanger,
M (2178) ICCF email 2018}) 17. Rab1 Qe7 18. Rfc1 Rfa8 19. b5 Rc7 20. cxb6 Nxb6
{[#]} 21. bxc6 (21. Na4 $1 $14 Nxa4 22. bxc6) 21... Rxc6 $11 22. Nb5 {Weighted
Error Value: White=0.06/Black=0.03} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "2.1"]
[White "Matlakov, Maxim"]
[Black "Tomashevsky, Evgeny"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2683"]
[BlackElo "2708"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,57,16,17,16,16,16,16,16,25,16,22,11,14,3,25,0,0,0,0,0,0,0,0,9,40,0,0,
0,0,0,1,7,3,22,19,10,18,24,25,0,0,-2,-2,-3]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. c3 O-O 9. a4 {C84: Closed Ruy Lopez:
Unusual White 6th moves.} Bd7 10. Bc2 Re8 11. Re1 h6 12. h3 Bf8 13. Nbd2 {
[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Rb8 14. Nf1 {14.axb5 is a critical line.} b4
{[#]} 15. d4 $146 ({Predecessor:} 15. Ng3 bxc3 16. bxc3 d5 17. exd5 {1/2-1/2 
(17) Areshchenko,A (2656)-Efimenko,Z (2647) Yerevan 2015}) 15... bxc3 16. bxc3
exd4 17. cxd4 Nb4 18. Ng3 Nxc2 19. Qxc2 Rb7 {[%cal Bb8b7,Bb7c7,Bc7c6][%mdl 32]}
20. d5 c6 $1 {[%cal Rc6d5]} 21. dxc6 Rc7 22. Nd4 Bxc6 23. Nxc6 {Bb2 is the
strong threat.} Qc8 {[#]} 24. Bb2 $1 {Threatens to win with Rac1.} Rxc6 25. Qd3
{Black should prevent Bxf6.} Qe6 26. Rad1 Rb8 27. Bxf6 Qxf6 28. Rb1 Rxb1 29.
Rxb1 {An uneventful encounter.  Weighted Error Value: White=0.08/Black=0.02}
1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "2.2"]
[White "Paravyan, David"]
[Black "Andreikin, Dmitry"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2660"]
[BlackElo "2728"]
[Annotator "TA"]
[PlyCount "235"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,235,7,10,6,18,8,11,19,10,0,0,0,0,0,8,0,0,0,27,27,17,29,71,66,73,72,
66,27,43,0,0,0,5,0,0,0,96,97,100,98,135,140,162,161,217,220,219,225,270,16,14,
0,0,0,0,0,0,0,35,27,27,24,25,25,60,44,97,75,112,115,388,388,377,321,578,554,
709,464,564,564,1084,444,403,359,366,141,97,51,464,452,373,16,23,9,16,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,
-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,
-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,
-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,
-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,
-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,
-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,
-28000,-28000,-28000,27972,27972,27973,-28000,-28000,-28000,-28000,-28000,
-28000,-28000,-28000,-28000,27986,27986,27987,27987,27988,27988,27989,27989,
27990,27990,27997,27997,27998,27998,27999,27999]} 1. e4 e5 2. Nf3 Nc6 3. Nc3
Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O d5 9. exd5 cxd5 10.
Bg5 c6 11. Qf3 Rb8 {11...h6 is the recent fashion.} 12. h3 Bd6 13. b3 {C47:
Scotch Four Knights and Four Knights with 4 g3.} h6 14. Bf4 Rb4 15. Bxd6 {
The position is equal.} Qxd6 {[#]} 16. Qe3 $1 $146 {[%mdl 8] An important
novelty.} ({Predecessor:} 16. Rfe1 a5 17. Rad1 Bd7 18. Qe3 Rc8 19. Qa7 Rh4 20.
Re3 Qc7 21. Qxc7 Rxc7 22. Na4 {1/2-1/2 (57) Carlsen,M (2839)-Ding,L (2804)
Porto Carras 2018}) 16... c5 17. Rfe1 Be6 18. Rad1 Qc7 19. Na4 c4 20. Bf1 Qa5
21. c3 Rbb8 22. Nc5 Rfe8 23. Qd4 {[%cal Rb3c4]} Bf5 24. bxc4 Rec8 25. Nd3 {
Nb4 is the strong threat.} dxc4 26. Nb4 {aiming for Re5.} Be6 $1 27. Qf4 {
Strongly threatening Nc6!} Qg5 28. Qxg5 hxg5 29. Re5 Rd8 (29... a5 $11 30. Nc2
(30. Rxa5 Ne4 $11) 30... Rb2) 30. Rde1 $1 $16 Rd2 31. Rxg5 Nd5 32. Nc6 (32.
Bxc4 $6 Nxb4 33. Rxe6 (33. Bxe6 Nc2 $15) 33... fxe6 $11) 32... Rbb2 33. Nd4 ({
Don't take} 33. Bxc4 $6 Nf4 $16) 33... Rxd4 (33... Nf4 $142) 34. cxd4 $18 c3
35. Rc1 c2 36. a3 $2 (36. Re5 $1 $18) 36... f6 $11 {[#]} 37. Rxd5 Bxd5 {
[%mdl 4096] Endgame KRB-KRB} 38. Bd3 Bb3 39. Kf1 Ra2 40. Ke2 Kf8 (40... Kf7 {
feels hotter.} 41. Kd2 Rxa3 42. Re1 a5 43. h4 Ra2) 41. Kd2 Rxa3 42. Bxc2 Bd5
43. f3 a5 44. Rb1 a4 ({Better is} 44... Ke7 $14) 45. Rb5 $16 Bc6 46. Ra5 Ra1 $2
{[%mdl 8192]} (46... Ke7 $16 {was necessary.} 47. Ra7+ Kf8) 47. d5 $1 $18 {
[%cal Rd5c6]} Bd7 48. Ra7 Bb5 (48... Ke8 49. d6 Ra2) 49. d6 {Black must now
prevent Bg6.} g5 50. Bf5 Ra2+ 51. Kc3 Rxg2 52. Rb7 (52. Bd3 $142 Bc6 53. Rc7)
52... Bc6 53. Rb8+ Kf7 54. d7 $2 (54. Rb6 $18 {and White stays clearly on top.}
Be8 55. Rb7+ Kf8 56. d7 Bxd7 57. Rxd7 (57. Bxd7 Rg3 $18)) 54... Bxd7 $16 55.
Rb7 (55. Bxd7 {is more complex.} Rg3 56. Bc6 Rxh3 57. Kd4 Rh4+ 58. Kd3) 55...
a3 $2 {[%mdl 8192]} 56. Rxd7+ $18 {KRB-KR} Kf8 57. Ra7 $2 (57. Kd3 $18) 57...
Rg3 $1 $11 58. Kd4 (58. Kc2 {is more complex.} Rxf3 59. Ra5 Rf2+ 60. Kd3 a2 61.
Ra8+) 58... Rxf3 59. Be6 {Threatens to win with Ke4.} (59. Ra5 {is interesting.
} a2 60. Be6 Ke7 61. Bd5 Rxh3 62. Ra7+) 59... f5 60. Ke5 {Threatening mate
with Kf6.} (60. h4 {is more complex.} Rf4+ 61. Ke5 Rxh4 62. Rxa3 f4 63. Ra8+)
60... Rxh3 61. Kd6 (61. Bf7 {keeps more tension.} Rh6 62. Bc4 f4 63. Rxa3 f3
64. Rb3) 61... Rd3+ 62. Bd5 g4 63. Rf7+ Kg8 {( -> ...Rxd5+!)} 64. Rxf5+ (64.
Rc7+ {looks sharper.} Kh8 65. Rf7 Rd2 66. Rxf5 g3 67. Rh5+) 64... Kg7 65. Rg5+
$2 {[%mdl 8192]} (65. Kc5 $11) 65... Kf6 66. Rxg4 a2 67. Rf4+ Kg5 68. Ra4 Rd2
$4 {[%mdl 8192]} (68... a1=Q 69. Rxa1 Re3) 69. Ke5 Re2+ $4 {[%mdl 8192]} (69...
a1=Q+ 70. Rxa1 Re2+ 71. Be4 Rf2) 70. Kd4 Rd2+ $4 {[%mdl 8192]} (70... a1=Q+ 71.
Rxa1 Kf4) 71. Ke4 Rf2 $4 {[%mdl 8192]} (71... a1=Q 72. Rxa1 Re2+ 73. Kd4 Rf2)
72. Ke3 Rb2 $4 {[%mdl 8192]} (72... a1=Q 73. Rxa1 Rf8) 73. Bxa2 Kf6 $4 {
[%mdl 8192]} (73... Rb5 74. Kd4 Kf4) 74. Ra5 Rh2 $4 {[%mdl 8192]} (74... Rb6
75. Ke4 Rb7) 75. Bd5 Ke5 $4 {[%mdl 8192]} (75... Rh3+ 76. Kd4 Rh2) 76. Be4+ Kd6
77. Kd4 Rd2+ 78. Bd3 Rd1 $4 {[%mdl 8192]} (78... Kc7 79. Rg5 Rd1) 79. Ra6+ Ke7
$4 {[%mdl 8192]} (79... Kc7 80. Ra7+ Kd6) 80. Ke4 Re1+ 81. Kf5 Re3 82. Be4 Re1
$4 {[%mdl 8192]} (82... Kd7 83. Ke5 Rc3) 83. Ke5 Re2 $4 {[%mdl 8192]} (83...
Kd8 84. Kd6 Ke8) 84. Ra7+ Ke8 85. Kf5 Kd8 $4 {[%mdl 8192]} (85... Rf2+ 86. Ke6
Kd8) 86. Bd5 Re7 $4 {[%mdl 8192]} (86... Rf2+ 87. Ke6 Kc8) 87. Ra6 Re1 $4 {
[%mdl 8192]} (87... Rd7 88. Ke6 Re7+ 89. Kf6 Re1) 88. Ra7 Re7 $4 {[%mdl 8192]}
(88... Rf1+ 89. Ke6 Kc8) 89. Ra8+ Kc7 90. Be6 Kb6 91. Ke5 Rh7 $4 {[%mdl 8192]}
(91... Kb7 92. Ra2 Rc7) 92. Kd6 Rh6 $4 {[%mdl 8192]} (92... Rb7 93. Bd5 Rg7)
93. Ra1 Kb5 94. Rb1+ Ka4 95. Kd5 Ka3 $4 {[%mdl 8192]} (95... Rh5+ 96. Kc4 Rh4+
97. Kc5 Rh5+ 98. Kd4 Rh4+ 99. Kc3 Ka5) 96. Rb6 Rh4 $4 {[%mdl 8192]} (96... Rh5+
97. Kd4 Rg5) 97. Kc5 Rb4 $4 {[%mdl 8192]} 98. Rd6 Re4 $4 {[%mdl 8192]} (98...
Ra4 99. Rd2 Ra5+ 100. Kd4 Rh5) 99. Bd5 Re8 $4 {[%mdl 8192]} (99... Ra4 100. Rb6
Rb4) 100. Rb6 Rc8+ 101. Kd4 Rc2 102. Rb3+ Ka2 $4 {[%mdl 8192]} (102... Ka4 103.
Bc4 Rg2) 103. Bc4 Ka1 104. Rb7 Rd2+ $4 {[%mdl 8192]} (104... Rb2 105. Ra7+ Kb1)
105. Bd3 $1 Rb2 106. Rc7 Rb4+ 107. Kc3 Rb3+ $1 108. Kc2 Rb2+ $1 109. Kc1 Rb1+
$1 110. Kd2 Rb8 $4 {[%mdl 8192] [#]} (110... Rb4 111. Kc3 Rb3+ 112. Kd4 Kb2)
111. Rc1+ $1 {White mates.} Ka2 112. Bc4+ Ka3 {[#]} 113. Ra1+ $1 ({Less strong
is} 113. Kc3 Rb3+ 114. Kd4 Rb6 $14) 113... Kb2 114. Ra2+ Kb1 115. Kc3 Rh8 116.
Ra7 Rc8 117. Rf7 {[%cal Rf7f1]} Rd8 118. Rf1+ {What a fight!  Weighted Error
Value: White=0.42/Black=0.49} 1-0

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "2.3"]
[White "Korobov, Anton"]
[Black "Abdusattorov, Nodirbek"]
[Result "1/2-1/2"]
[ECO "A61"]
[WhiteElo "2685"]
[BlackElo "2648"]
[Annotator "TA"]
[PlyCount "161"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,161,43,35,67,0,0,0,0,8,0,7,7,-14,0,0,0,0,0,-145,0,-53,-41,-99,-18,
-25,-34,-25,0,0,0,-81,-42,-100,-61,-45,-66,-51,-61,-48,-30,-79,-77,-121,-116,
-120,-125,-127,-85,-136,-136,-134,-129,-169,-169,-169,-169,-169,-169,-172,-172,
-179,-179,-179,-179,-179,-179,-179,-179,-179,-179,-179,-179,-179,-179,-179,
-179,-179,-179,-179,-179,-179,0,-179,-179,-179,-179,-179,-179,-179,-179,-179,
-179,-179,-179,-179,-179,-179,-179,-179,-179,-179,-85,-85,-85,-85,-85,-85,-85,
-85,-85,-85,-85,-85,-85,-85,-85,-85,-85,-85,-85,-85,-85,-85,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6.
Nf3 g6 7. Nd2 Bg7 8. e4 O-O 9. Be2 Na6 10. O-O Nc7 11. a4 a6 {A73: Modern
Benoni: Classical: Unusual Black 9th moves.} 12. Rb1 {[#]} (12. Nc4 $14) 12...
Re8 $146 ({Predecessor:} 12... Qe8 13. b4 Nd7 14. Qc2 b6 15. Nc4 Qe7 16. b5 Rb8
17. f4 Ne8 18. Bf3 a5 {1-0 (40) Alber,H (2335)-Haus,V Hessen 1991}) 13. b4 Nd7
14. Qc2 cxb4 15. Rxb4 Nc5 16. Bb2 a5 17. Rb6 N7a6 18. Nc4 {[%mdl 64] [#]
Double Attack} Nb4 19. Qb1 (19. Qd2 $11) 19... Ra6 ({Better is} 19... Bxc3 $17
20. Bxc3 (20. Rxd6 $2 Qe7 $19) 20... Rxe4 21. Rxd6 Qf8) 20. Rxa6 (20. Rb5 $11)
20... bxa6 $15 21. Rd1 (21. Ba1 $15) 21... Bxc3 ({Black should play} 21... f5
$17 {[%cal Rf5e4]} 22. Bf3 Bh8) 22. Bxc3 $11 Nxe4 23. Ba1 Nc3 24. Bxc3 Rxe2 25.
Bd4 (25. Ne3 $11 {remains equal.}) 25... Bf5 26. Qc1 (26. Qa1 $1 $15) 26... Rc2
27. Qh6 {[%csl Gd4][%cal Rh6g7]} Qf8 $40 {[%mdl 128] Black is up to no good.}
28. Qxf8+ Kxf8 29. Nxd6 Bd7 30. Ne4 Nxd5 31. Nf6 {[#]} Nxf6 $1 32. Bxf6 Bxa4
$17 {[%mdl 4096] Endgame KRB-KRB} 33. g4 Rc8 34. Rd8+ (34. Ra1 $142 Rc4 35. h3)
34... Rxd8 35. Bxd8 {KB-KB} Bd1 36. g5 a4 37. Kg2 Ke8 38. Bf6 Kd7 39. Kg3 Ke6
40. Kf4 h6 41. h4 a3 42. Bg7 h5 43. Bf8 a2 44. Bg7 Ba4 45. Ba1 Bc6 46. Bh8 a5
47. Ba1 a4 48. Bh8 a3 49. Ba1 Bb7 50. Bf6 Bc6 51. Ba1 $1 Be8 52. Bf6 Kd5 {
...Kc4 is the strong threat.} 53. Ke3 Kc4 54. Kd2 Kb3 55. Kc1 Bc6 56. Ba1 Bf3
57. Bf6 Bb7 58. Ba1 Bd5 59. Bf6 Bf3 60. Ba1 f5 (60... Bg4 $19 61. Kd2 Kb4 62.
Bc3+ Kc4) 61. gxf6 {Strongly threatening f7.} Bd5 62. Kd2 Bf7 {aiming for ...
g5!} 63. f4 Kc4 64. Ke3 Kd5 65. Kd3 Be8 66. Ke3 Ke6 {And now ...Kf5 would win.}
67. Ke4 Ba4 68. Ke3 Bc2 69. Bc3 Bb3 70. Ke4 Bd5+ (70... Ba4 {seems wilder.} 71.
Kd3 Bb5+ 72. Ke4 Bc4 73. Ba1 Bd5+) 71. Kd4 {Black must now prevent f7!} Kxf6 ({
Black should try} 71... Kd6 $17 72. Bb4+ Ke6) 72. Kxd5+ {KB-KP. The position
is equal.} Kf5 73. Be5 a1=Q (73... Kg4 {is more complex.} 74. Ke4 Kxh4 75. f5
gxf5+ 76. Kxf5 Kh3) 74. Bxa1 Kxf4 $11 {KB-K3P} 75. Kc4 a2 (75... Kg4 $5 76. Bf6
$8 Kf5 $11) 76. Kd3 Kg4 (76... Kg3 $5 77. Bf6 $8 Kf4 $11) 77. Bf6 Kf5 78. Ba1
Kg4 79. Bf6 a1=Q 80. Bxa1 Kxh4 81. Ke3 {Black had all chances to win. 
Weighted Error Value: White=0.18/Black=0.16} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "2.4"]
[White "Gelfand, Boris"]
[Black "Vitiugov, Nikita"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2680"]
[BlackElo "2727"]
[Annotator "TA"]
[PlyCount "212"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,212,28,6,0,6,7,0,7,2,6,10,12,10,6,11,7,6,11,4,0,0,0,2,21,0,28,25,23,
-45,-32,-31,-31,-165,-162,-291,-290,-281,-190,-166,-166,-208,-166,-177,-185,
-195,-184,-196,-176,-164,-144,-158,-130,-170,-168,-158,-133,-133,-124,-119,
-125,-129,-128,-132,-131,-139,-132,-168,-161,-197,-111,-142,-122,-131,-118,
-138,0,-8,-8,-8,-9,-184,-182,-178,-160,-270,-250,-262,-254,-262,-248,-214,-28,
-43,-29,-197,-197,-296,-293,-281,-183,-328,-328,-322,-322,-314,-300,-288,-294,
-423,-410,-572,-563,-563,-563,-563,-563,-563,-549,-563,-379,-315,0,-549,0,-541,
-449,-454,0,-479,-454,-563,-315,-308,-308,-577,-577,-631,-631,-631,-608,-631,
-631,-631,-608,-608,-608,-608,-608,-608,-608,-608,-608,-608,-608,-608,-608,
-608,-608,-608,-608,-608,-608,-608,-608,-608,-608,-608,-608,-608,-608,-608,
-608,-608,-608,-608,-608,-631,-602,-631,0,-608,-608,-608,-608,-608,-608,-608,
-608,-608,0,-608,-562,-562,-449,-449,-449,-449,-449,-449,-449,-449,-8,-8,-8]} 
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. Ne5 Bb4+ {E04: Open
Catalan: 5 Nf3.} 7. Nc3 {Qa4+ is the strong threat.} Nd5 8. O-O O-O 9. Ne4 b5
10. b3 cxb3 11. axb3 Bb7 12. Qc2 h6 13. Nd3 Nd7 14. Bb2 {[#]} a5 $146 ({
Predecessor:} 14... Be7 15. Nec5 Nxc5 16. dxc5 Bf6 17. c6 Bc8 18. Bxf6 Qxf6 19.
Rfc1 Nb6 20. Qc5 Rd8 {0-1 (89) Gelfand,B (2684)-Esipenko,A (2642) Moscow 2019})
15. Ra2 Qe7 16. Rfa1 Ra6 (16... Rfc8 {keeps more tension.} 17. Qd1 c5 18. dxc5
Nxc5 19. Nexc5 Bxc5 20. Nxc5 Qxc5 21. Rxa5 Rxa5 22. Rxa5 Qc2) 17. Nc3 (17. Ba3
{feels hotter.} c6 18. Ndc5 Nxc5 19. Nxc5 Raa8 20. Bxd5 Bxa3 21. Bf3) 17...
Bxc3 (17... Rc6 {looks sharper.} 18. Nxd5 exd5 19. Qd1 Nf6 20. Ba3 Ne4) 18.
Bxc3 Nxc3 19. Bxb7 (19. Qxc3 $11 Bxg2 20. Kxg2) 19... Nxa2 $15 20. Bxa6 Nb4 {
[%mdl 64] Double Attack} 21. Qxc7 (21. Nxb4 $15 Qxb4 22. Qxc7 Qxd4 23. Rc1)
21... Nxa6 $19 22. Qb7 (22. Qxa5 $142 Nab8 23. Qxb5) 22... Qd6 23. Rxa5 Nab8 (
23... Qxd4 24. Qxa6 b4 25. Qa7 $16) 24. e3 Qc6 25. Rxb5 Rc8 26. b4 Kf8 27. Nc5
Ke8 28. Kf1 Qxb7 29. Rxb7 Rc6 30. Ke2 Rb6 31. Kd2 Rxb7 32. Nxb7 Nb6 33. b5 Kd7
34. Kc3 Kc7 35. Nc5 N8d7 36. e4 Nf6 37. f3 g5 38. Kd3 Ne8 39. Na6+ Kd7 (39...
Kd8 $19 40. Nb4 Nd6 41. Nc6+ Kc7) 40. Kc3 Nd6 41. Kb4 h5 42. Kc5 Na4+ (42...
Nbc8 $1 $17 {And now ...g4 would win.} 43. e5 Nb7+ 44. Kc4 Nb6+ 45. Kd3 Nd5)
43. Kb4 $11 Nb2 {aiming for ...Nd3+.} 44. Nc5+ Kc7 45. Kc3 $2 (45. g4 $11 {
and White stays safe.} hxg4 46. fxg4) 45... Nd1+ $19 ({Don't play} 45... Nxb5+
46. Kxb2 Nxd4 47. f4 $17) 46. Kd2 Nf2 ({Weaker is} 46... Nxb5 47. Kxd1 Nxd4 48.
f4 $11) 47. Ke2 (47. b6+ $17 Kxb6 48. Ke3 Nd1+ 49. Kd2) 47... Nh3 ({Stronger
than} 47... Nxb5 48. Kxf2 Nxd4 49. e5 $16) 48. b6+ Kxb6 49. Nd7+ {[#]} Kb5 $1
50. Nf6 g4 $2 (50... Kc4 $19 51. d5 exd5 52. exd5 Kd4 53. Nxh5 Ne8) 51. fxg4
$11 hxg4 {Strongly threatening ...Kc4.} 52. e5 $2 (52. Kd3 $11) 52... Nf5 $19
53. d5 (53. Kd3 $142) 53... exd5 54. Nxd5 Ng1+ 55. Kf2 (55. Kd3 $142) 55... Nf3
56. h3 Nxe5 57. hxg4 {[#]} Kc5 $1 58. Nf6 Nh6 59. Ne4+ (59. g5 {only move.} Nf5
60. Ng8) 59... Kd5 60. Ng5 Nhxg4+ 61. Ke2 f5 62. Nh3 {If only White now had
time for Nf4+....} Ng6 63. Kf3 Ke5 64. Ng5 Nh6 65. Ke3 Ng4+ 66. Kf3 Kd5 $2 (
66... Nf8 $19 {Hoping for ...Ne6.} 67. Nf7+ Ke6) 67. Nh7 $2 {[%mdl 8192]} (67.
Nh3 $1 $11 {and White is okay.} Kd4 68. Ng1) 67... Kd4 68. Ng5 {White hopes to
continue with Ne6+.} Kd5 $2 (68... N4e5+ $19 69. Kf2 Nf8) 69. Nh7 $2 {[%mdl
8192]} (69. Nh3 $11 Kd4 70. Kg2) 69... N4e5+ 70. Ke3 {If White can now play
Nf6+ this consolidates a bit.} Nf7 71. Nf6+ Ke6 72. Nh5 $2 (72. Ne8 Ke5 73. Ng7
) 72... Ke5 73. Ng7 Ne7 74. Kd3 Ng5 75. Kc4 Ne6 76. Nxf5 Nxf5 77. g4 Nd6+ 78.
Kb4 Ng5 79. Kc5 Ke6 80. Kd4 Nde4 81. Kc4 Ke5 82. Kb5 Kd5 83. Kb6 Nd6 84. Kc7
Nc4 85. Kd7 Nb6+ 86. Ke7 Ke5 87. Kf8 Kf6 88. Ke8 Ke6 89. Kf8 Nd5 90. Kg7 Ke5
91. Kh6 Kf6 92. Kh5 Nf4+ 93. Kh6 Nf7+ 94. Kh7 Ng5+ 95. Kh6 $1 Ne2 96. Kh5 Ng3+
97. Kh4 N3e4 98. Kh5 Kf7 99. Kh6 Kf6 100. Kh5 Nf3 101. g5+ Kf5 102. g6 Nf6+
103. Kh6 Ne5 104. Kg7 Nfd7 105. Kh8 {[#]} Kf6 $2 ({Black should play} 105...
Ke6 $1 $19 106. Kh7 Nf6+ 107. Kh6 Ke7) 106. g7 $11 Ng6+ {Weighted Error Value:
White=0.38/Black=0.20} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "2.5"]
[White "Alekseenko, Kirill"]
[Black "Giri, Anish"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2693"]
[BlackElo "2777"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,142,20,1,6,0,6,8,12,1,0,0,6,8,14,15,34,22,23,12,36,12,54,22,69,77,72,
68,76,58,90,97,104,112,108,13,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-82,-82,
-82,-82,-115,-106,-115,-111,-111,-93,-91,-68,-70,-60,-60,-62,-59,-60,-67,-73,
-71,-66,-90,-87,-99,-47,-117,-129,-147,-137,-386,-382,-357,-267,-510,-510,-498,
-470,-595,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-29976,-29976,-29976,
-29977,-29990,-29991,-29991,-29992,-29992,-29993,-29993,-29994]} 1. e4 c5 2.
Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1
Be6 {B92: Sicilian Najdorf: 6 Be2.} 10. Bf3 Qc7 11. a4 Rc8 {The position is
equal.} 12. h3 h6 13. Be3 Nbd7 14. a5 Rab8 $5 {[%mdl 4] [#] Exploring less
charted territory.} 15. Re2 $146 ({Predecessor:} 15. Qb1 b5 16. axb6 Nxb6 17.
Rxa6 Nc4 18. Bc1 Qb7 19. Ra1 Bd8 20. Ra4 Bb6 21. Re2 {1/2-1/2 (36) Bracker,F 
(2391)-Wachinger,N (2355) Prague 2021}) 15... Qc6 16. Nd5 Bd8 17. c3 Bxd5 18.
exd5 Qc4 19. Re1 b5 20. axb6 Bxb6 21. Bxb6 Rxb6 22. Na5 {[%cal Ra5c4]} Qc7 23.
Qd2 $1 Re8 24. Be2 Nc5 {[%cal Bd7c5,Bc5e4,Be4d2][%mdl 32]} 25. Bf1 ({White
should try} 25. Ra3 $16) 25... Reb8 $11 26. b4 Nce4 {[%mdl 64] Double Attack}
27. Qd3 Qxc3 28. Nc6 Ra8 {White must now prevent ...Qxd3.} 29. Rec1 Qxd3 30.
Bxd3 Nd2 31. Rc2 Nb3 ({Much worse is} 31... Nxd5 $6 32. Rxd2 Rxc6 33. Be4 $16)
32. Ra3 Nd4 33. Nxd4 exd4 34. b5 {[%cal Rb5a6]} Nxd5 {Threatens to win with ...
Nb4.} 35. Be4 (35. bxa6 $11 Rb1+ 36. Kh2) 35... Rxb5 $17 36. Rxa6 Re8 37. Bxd5
Rxd5 {[%mdl 4096] Endgame KRR-KRR} 38. Rd2 Re1+ 39. Kh2 g5 40. Ra4 Re4 41. f3
Rf4 42. Rd3 Kf8 43. g3 Rff5 44. Raxd4 Rxd4 45. Rxd4 $15 {KR-KR} Ke7 46. f4 gxf4
47. gxf4 Ke6 (47... Rc5 $17 48. Kg3 Ke6) 48. Kg3 ({Better is} 48. Re4+ $1 $15
Kd7 49. Kg3) 48... Rd5 $17 49. Re4+ Kf5 50. Re3 {[#]} (50. Re7 $17) 50... f6 $1
$19 51. Ra3 Rd4 52. Ra5+ $2 (52. Ra7 {was necessary.}) 52... d5 53. Rb5 Rd3+
54. Kh4 Kxf4 $2 (54... Ke4 $19 55. Rb6 f5 56. Rxh6 Kxf4) 55. Rxd5 $1 $11 Ke4 (
55... Re3 {with more complications.} 56. Rh5 f5 57. Rxh6 Re8 58. Kh5 Kf3) 56.
Rh5 f5 (56... Rb3 {keeps more tension.} 57. Rxh6 Kf5 58. Rh7 Kf4 59. Ra7 Rb4)
57. Rxh6 f4 58. Re6+ Kf5 (58... Kf3 {feels hotter.} 59. Ra6 Rc3 60. Ra1 Re3 61.
Ra4 Re7) 59. Re8 Rd7 {[%cal Rd7h7]} (59... Ra3 {seems wilder.} 60. Rb8 Re3 61.
Ra8 Ke4 62. Kg4 Rg3+) 60. Rf8+ Ke4 61. Kg5 Rg7+ 62. Kh6 Rg3 63. h4 f3 64. h5
Rg4 65. Re8+ Kf4 66. Kh7 $2 {[%mdl 8192] [#]} (66. Re1 $11) 66... Rg5 $1 {
Black mates.} 67. Rf8+ Rf5 68. Rxf5+ Kxf5 69. Kg7 f2 70. h6 f1=Q 71. h7 Qa1+ {
Weighted Error Value: White=0.21/Black=0.14} 0-1

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "3.1"]
[White "Giri, Anish"]
[Black "Matlakov, Maxim"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2777"]
[BlackElo "2683"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,67,18,22,22,25,17,26,0,27,27,33,12,13,24,19,22,20,12,19,16,36,37,53,
36,54,55,54,45,53,45,52,46,52,52,108,105,87,69,66,36,58,50,49,30,64,61,93,25,
178,181,175,173,243,238,477,454,1070,1018]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4.
d3 Bc5 5. O-O d6 6. c3 a6 7. Re1 {7.a4 gains popularity. C54: Giuoco Piano: 4
c3 Nf6, main lines with 5 d4 and 5 d3.} Ba7 8. Nbd2 O-O 9. Nf1 {White has an
edge.} h6 10. a4 Re8 11. Be3 Bxe3 12. Nxe3 Be6 13. Bxe6 Rxe6 14. b4 {[%cal
Bb2b4,Bb4b5][%mdl 32]} Qd7 {[#]} 15. Qc2 $146 ({Predecessor:} 15. b5 axb5 16.
axb5 Rxa1 17. Qxa1 Nd8 18. c4 Re8 19. Qa7 b6 20. Nd5 Nxd5 21. cxd5 Qxb5 22.
Qxc7 {1-0 (63) Pichot,A (2630)-Perez,R (2240) Chess.com INT 2020}) 15... a5 16.
b5 Ne7 17. g3 Re8 18. c4 Qd8 19. Rad1 Ng6 20. Nf5 Qb8 21. Rc1 Nd7 22. d4 exd4 (
22... b6 $14) 23. N3xd4 $16 Rf6 24. Kg2 Nc5 25. Re3 Nf8 26. Rce1 Nfe6 27. e5
dxe5 28. Rxe5 Qd8 29. Qd1 (29. Rd5 $16 Qc8 30. Nxe6 Nxe6 31. Kg1) 29... b6 $2 {
[#] This costs Black the game.} (29... Kh7 $11) 30. Rd5 $18 Qa8 31. Nc6 Kf8 (
31... Kh8 $142 32. Kg1 Nb7) 32. Kg1 Qc8 $2 (32... Nb7 {keeps fighting.} 33. Re3
Nbc5) 33. Qc2 {Hoping for Nfe7!} Nd7 {[#]} (33... Qa8 $142 34. Nd6 Nd4 35.
Rxe8+ Qxe8 36. Nxe8 Nxc2) 34. Nd6 $1 {[%mdl 512] Weighted Error Value: White=0.
13/Black=0.33} 1-0

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "3.2"]
[White "Vitiugov, Nikita"]
[Black "Alekseenko, Kirill"]
[Result "0-1"]
[ECO "C72"]
[WhiteElo "2727"]
[BlackElo "2693"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,62,60,30,32,39,60,55,60,49,45,46,55,38,47,39,41,41,49,30,35,28,27,0,
0,0,35,33,57,58,47,18,22,6,8,6,18,7,15,0,37,0,0,-21,-22,-63,-62,-139,-139,-162,
-156,-458,-459,-845,-841]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7
6. c4 Nge7 {C72: Ruy Lopez: Deferred Steinitz: 5 0-0.} 7. Nc3 Ng6 8. d4 Be7 {
White is slightly better.} 9. d5 {has lost popularity (9.Be3).} Nb8 {[%cal
Bc6b8,Bb8d7,Bd7f6,Bf6h5,Bh5f4][%mdl 32]} 10. Be3 h6 11. b4 O-O 12. Bxd7 Nxd7
13. Qc2 {[#]} Nf6 $146 ({Predecessor:} 13... Nh4 14. Nxh4 Bxh4 15. c5 Bg5 16.
Bxg5 Qxg5 17. Na4 Nf6 18. Rac1 Nh5 {0-1 (44) Pavic,F (2255)-Dai,C (2503)
Tornelo INT 2020}) 14. h3 Nh5 15. c5 Qd7 16. Qa4 Qc8 17. c6 b6 18. Qc2 Nhf4 19.
Kh2 f5 20. Bxf4 Nxf4 21. Nd2 fxe4 22. Ndxe4 Qf5 23. f3 (23. a4 {is more
complex.} a5 24. b5 Rf7 25. Rae1 Raf8 26. Qd2) 23... Ng6 24. g3 Rf7 25. Qf2
Raf8 {[%cal Rf5f3]} 26. Kg2 Bd8 27. a3 Ne7 28. Qe2 {[#]} (28. Rad1 $1 $15)
28... Qg6 $1 $17 29. Kh2 {[#]} Nf5 $1 30. Qd3 $2 {[#]} (30. f4 $17 {is a
better chance.}) 30... Nxg3 $1 $19 {[%mdl 576] Pin} 31. Rg1 (31. Ne2 $142 Nxf1+
32. Rxf1) 31... Rxf3 {Weighted Error Value: White=0.43/Black=0.06} 0-1

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "3.3"]
[White "Abdusattorov, Nodirbek"]
[Black "Gelfand, Boris"]
[Result "0-1"]
[ECO "E00"]
[WhiteElo "2648"]
[BlackElo "2680"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,132,0,-4,20,9,15,15,21,16,21,19,15,21,19,12,9,6,10,6,25,12,17,2,17,
-4,0,0,0,0,0,0,0,0,0,-22,-7,-31,-12,-12,-12,-12,-16,0,-13,-13,-12,-18,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-39,-39,
-58,-27,-466,-410,-406,-176,-604,-601,-452,-621,-545,-544,-506,-444,-1698,
-1593,-12841,-12842,-12842,-12843,-12842,-12836,-12836,-12837,-12843,-12843,
-12845,-12846,-12846,-12847,-12848,-12848,-12849,-12849,-12850,-12850]} 1. d4
Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 d5 6. Bg5 h6 {E32: Nimzo-Indian:
Classical (4 Qc2): 4...0-0.} (6... c5 {looks sharper.} 7. dxc5 h6 8. Bh4 Nbd7
9. cxd5 exd5 10. e3 g5) 7. Bxf6 {is now more promising than 7.Bh4.} Qxf6 8. a3
Bxc3+ {The position is equal.} 9. Qxc3 dxc4 10. Qxc4 Nc6 11. Rd1 Re8 12. Qc3 e5
13. d5 Nb8 {[%cal Bc6b8,Bb8d7,Bd7f6][%mdl 32]} 14. e3 Bg4 15. Be2 Nd7 16. O-O
Bxf3 {[#]} 17. gxf3 $146 ({Predecessor:} 17. Bxf3 e4 18. Qxc7 exf3 19. Qxd7
fxg2 20. Rfe1 Qxb2 21. Rb1 Qxa3 22. Rxb7 Rf8 23. e4 {1/2-1/2 (36) Shankland,S 
(2709)-Nakamura,H (2736) Saint Louis 2021}) 17... Qd6 18. Rc1 Rac8 19. Qa5 a6
20. Rfd1 Nf6 21. Bf1 Re7 22. Rc4 Rd8 23. Qc5 Qxc5 24. Rxc5 Red7 {[%cal Rf6d5]}
25. Bh3 $1 {[%cal Rh3d7]} Rxd5 26. Rcxd5 Rxd5 (26... Nxd5 $2 {too greedy.} 27.
e4 $18) 27. Rxd5 Nxd5 $11 {[%mdl 4096] Endgame KB-KN} 28. Bc8 a5 29. Bxb7 Nb6
30. Kf1 Nc4 31. b4 $1 {next Ba6 is good for White.} axb4 32. axb4 Kf8 33. Ke2
Ke7 34. f4 exf4 35. exf4 Ke6 36. Kd3 Nd6 37. Bg2 Ke7 38. Bd5 Ne8 39. Kd4 Nf6
40. Bf3 Kd6 41. h4 Nd7 42. b5 Nf8 43. f5 Nd7 44. Bd5 f6 45. f4 Nc5 46. Bg8 (46.
Bf7 {feels hotter.} Nb7 47. Bd5 Nc5) 46... Nd7 47. Bf7 Nc5 48. Be8 (48. Bg8 {
is interesting.}) 48... Nb3+ 49. Kc3 $1 {[%cal Rc3b3]} Nc1 {Strongly
threatening ...Kc5.} 50. Kd2 $2 {[%mdl 8192] White does not recover from this.}
(50. Kd4 $1 $11 {and White is okay.}) 50... Na2 $1 $19 51. Ke3 Kc5 52. Kf3 $2 (
52. Ke4) 52... Nc3 {Black is clearly winning.} 53. Kg4 Nxb5 54. Kh5 {[#]} Nd4
$1 55. Kg6 Kd6 56. Kxg7 (56. Bf7 $142 Ke7 57. Bd5) 56... Ke7 57. Bg6 h5 $1 58.
Bh7 c5 59. Bg8 Ne2 60. Bc4 Nxf4 61. Bf1 Nd5 62. Be2 {[#]} Ne3 $1 {[%cal Re3f5]}
63. Kg6 c4 64. Kxh5 c3 {( -> ...c2)} 65. Bd3 Kf7 66. Kh6 c2 {Weighted Error
Value: White=0.51/Black=0.02} 0-1

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "3.4"]
[White "Andreikin, Dmitry"]
[Black "Korobov, Anton"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2728"]
[BlackElo "2685"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,55,4,40,22,46,36,54,39,43,31,24,25,27,16,22,11,49,-25,-8,-50,-58,-57,
-62,-119,-152,-172,-200,-194,-185,-518,-543,-694,-733,-1038,-993,-1108,-991,
-1369,-1179,-1464,-1458,-1486,-1430,-29998,-29999,-29999]} 1. e4 c5 2. Nc3 d6
3. Nge2 Nf6 4. h3 Nc6 5. d4 cxd4 6. Nxd4 a6 7. g4 {B90: Sicilian Najdorf:
Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Qb6 8. Nb3 e6 9. g5 {White
is slightly better.} Nd7 10. h4 Qc7 11. f4 b5 {[#]} 12. a3 $146 ({Predecessor:
} 12. Be3 Nb6 13. Bd3 Be7 14. Qe2 Rb8 15. O-O Na4 16. Nxa4 bxa4 17. Nd2 Rxb2
18. Nc4 {1/2-1/2 (31) Vallejo Pons,F (2709)-Zhao,J (2601) China 2018}) 12...
Be7 13. Bg2 Bb7 14. h5 ({White should try} 14. Qe2 $14) 14... h6 $11 15. g6 O-O
16. Be3 Nb6 17. gxf7+ (17. Qd3 $15) 17... Rxf7 $17 18. Bh3 {[#]} Bh4+ $1 19.
Ke2 {[#]} Re8 20. Nd2 $2 (20. Bxe6 {is more resistant.} Rxe6 21. Bxb6) 20... d5
$19 21. Nf3 {[#]} Nc4 22. Nxh4 (22. Bxe6 Rxe6) 22... Nxe3 23. Qg1 Nxc2 24. Rf1
d4 25. Nd1 d3+ 26. Kd2 N6d4 {( -> ...Nb3+)} 27. Qg6 Nb3+ 28. Kxd3 Qc4# {
Weighted Error Value: White=1.04/Black=0.20} 0-1

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "3.5"]
[White "Tomashevsky, Evgeny"]
[Black "Paravyan, David"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2708"]
[BlackElo "2660"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,136,30,8,35,32,32,28,32,-2,29,14,67,44,52,37,53,-10,22,18,55,0,0,0,0,
0,0,-72,-46,-111,-20,-250,-246,-274,-188,-285,-260,-262,-247,-282,-273,-277,
-281,-270,-279,-272,-249,-331,-269,-273,-248,-504,-501,-470,-375,-340,-97,-229,
-226,-202,-138,-181,-6,-9,-16,-11,0,0,0,-16,-8,-8,-10,-52,-1,-15,-28,-29,0,-37,
-39,-87,-77,-73,-75,-77,-83,-169,-154,-150,-156,-222,-201,-87,-60,-69,-69,-69,
-69,-69,-42,-69,-69,-69,0,-69,-69,-69,-69,-69,-69,-70,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0]} 1. Nf3 f5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. b4 Nc6 {
A81: Dutch Defence: 2 g3.} 7. c3 Ne4 8. Nbd2 d5 {White has an edge.} 9. Bb2 Be6
{[#]} 10. e3 $146 ({Predecessor:} 10. Nb3 Qe8 11. Nfd2 Bf7 12. f4 a5 13. a3 a4
14. Nc1 {1/2-1/2 (14) Sakaev,K (2633)-Werle,J (2556) Dresden 2007}) 10... Kh8 (
10... Bf7 $11) 11. Rc1 a6 12. a4 {[%cal Ba2a4,Ba4b5][%mdl 32]} Qe8 13. Nxe4 (
13. Ne1 $14) 13... fxe4 14. Nd2 Bg8 15. b5 (15. c4 $14) 15... axb5 $11 16. axb5
Na5 17. Qe2 Be6 18. Rfe1 (18. f3 $11 {keeps the balance.}) 18... Bd7 $1 $17 19.
Bf1 ({White should play} 19. b6 $15) 19... Qf7 (19... h5 $1 $17 20. h3 Qf7) 20.
Ra1 $2 {[#]} (20. Red1 $11) 20... Bxb5 $1 $19 {[%mdl 576] Deflection} 21. Qxb5
(21. c4 Nxc4) 21... Qxf2+ {[%mdl 64] Double Attack} 22. Kh1 Qxd2 23. Re2 Qd3
24. Qxd3 exd3 25. Rg2 {[#]} Rxf1+ 26. Rxf1 Nc4 27. Bc1 Ra1 {Strongly
threatening ...d2!} 28. Kg1 e5 29. dxe5 Bxe5 30. Bd2 $2 (30. Rgf2) 30... Ra2
31. Rd1 Kg8 32. Rf2 {Now Be1 and White clings on.} c5 $2 (32... Ra3 $19 {
is more deadly.} 33. Bc1 Rxc3) 33. Be1 (33. Bc1 $17 {only move.} Rxf2 34. Kxf2)
33... Rxf2 $1 ({But not} 33... Nxe3 $2 34. Rxd3 Rxf2 35. Bxf2 $18) 34. Kxf2 {
[%mdl 4096] Endgame [#] KRB-KBN} Nb2 {[%cal Rb2d1]} 35. Ra1 b5 $2 (35... c4 $19
{Threatens to win with ...b5.} 36. Kf3 b5 37. Ra8+ Kf7 38. Ra7+ Ke6 39. Ra6+
Kf7 40. Ra7+ Kf6 41. Ra6+ Kg7 42. Ra7+ Kg8 43. Ra8+ Kf7 44. Ra7+) 36. Rb1 $11
Nc4 {aiming for ...d2.} 37. Rd1 Nb2 38. Rb1 Nc4 {Hoping for ...d2.} 39. Rd1 Kf7
{White must now prevent ...Ke6.} 40. Rxd3 Ke6 41. e4 d4 ({Black should try} 
41... dxe4 $15 42. Rd8 Bd6) 42. cxd4 Bxd4+ 43. Ke2 Ke5 44. Rb3 Nd6 45. Bd2 {
Bf4+ is the strong threat.} Kxe4 46. Bf4 {[#]} c4 $1 47. Rb1 Be5 48. Bd2 (48.
Bxe5 $17 {was worth a try.} Kxe5 49. Kd2) 48... Nf5 $19 49. Kd1 {[#]} c3 $1 50.
Rxb5 (50. Be1 $17 {was called for.}) 50... cxd2 51. Kxd2 Bg7 52. Ke1 Kf3 53.
Kf1 Bd4 {And now ...Bf2 would win.} 54. Rb3+ Be3 55. Rb8 Bc5 56. Rb3+ Be3 57.
Rb8 Bf2 {[%cal Rf5e3]} 58. Rf8 Bd4 $1 59. Rf7 h5 60. Rf8 Bf2 (60... Bg7 $15 61.
Re8 Ne3+ 62. Kg1 Ng4) 61. Rf6 $11 {The position is equal.} Bd4 62. Rxg6 Ne3+
63. Kg1 Ng4+ (63... h4 {is interesting.} 64. gxh4 Nf5+ 65. Kf1 Nxh4) 64. Kh1
Nf2+ 65. Kg1 Nd1+ 66. Kh1 Nf2+ 67. Kg1 Ne4+ 68. Kh1 $1 Nf2+ {Weighted Error
Value: White=0.33/Black=0.30} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "4.1"]
[White "Matlakov, Maxim"]
[Black "Paravyan, David"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2683"]
[BlackElo "2660"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,16,30,22,36,40,40,35,29,25,58,50,52,47,83,86,123,123,144,134,142,
106,120,118,117,101,191,193,182,186,196,196,230,227,229,199,417,423,386,373,
632,584,794,609,742,737,1829,1685,2570,2183,29973,4954,29970,2325,29971,29973]
} 1. d4 f5 2. Bf4 Nf6 3. e3 e6 4. Nf3 b6 5. Be2 Bb7 6. O-O {A80: Dutch Defence:
Unusual White second moves.} Be7 7. c4 $1 {7.c4 scores better than 7.h3.} O-O
8. Nc3 {White is slightly better.} Ne4 9. Nxe4 fxe4 10. Nd2 c5 11. dxc5 {[#]}
bxc5 $146 ({Predecessor:} 11... Bxc5 12. Qc2 d5 13. Rad1 Qf6 14. a3 a5 15. h3
Nc6 16. cxd5 exd5 17. Nb3 Bd6 18. Bxd6 Qxd6 19. Rxd5 Qe7 20. Rfd1 Rac8 21. Rd7
{1-0 (21) Filippova,M (1931)-Goh,J (1743) Chess.com INT 2020}) 12. Qc2 Nc6 13.
Nxe4 ({But not} 13. Qxe4 Nd4 $14) 13... Nd4 14. exd4 Rxf4 15. d5 exd5 16. cxd5
d6 17. Bc4 Bf6 (17... Bg5 $16 {was worth a try.}) 18. g3 $18 Rg4 19. Nxf6+ Qxf6
20. Rae1 Rf8 {[#]} 21. Re6 $1 {[%cal Re6f6]} Qd4 22. b3 Rg5 $2 (22... Rg6 {
was called for.} 23. Rfe1 (23. Rxg6 hxg6 24. Qxg6 Bxd5 $18) 23... Rgf6 24. Rxf6
Qxf6) 23. Rxd6 Bc8 24. Rd1 Qh4 {[#]} (24... Qf4) 25. Re6 $1 Qh5 (25... Kh8 26.
Rde1) 26. Rde1 Kh8 27. Qe2 Qf7 28. Re8 Rf5 29. d6 Qf6 30. Rxf8+ Qxf8 31. Qe7 (
31. Qe8 $142 Rf6 32. d7 Bxd7 33. Qxd7 Rb6 34. Re8 Rb8 35. Rxf8+ Rxf8 36. Qxa7)
31... Rxf2 32. d7 {Weighted Error Value: White=0.11/Black=0.73} 1-0

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "4.2"]
[White "Korobov, Anton"]
[Black "Tomashevsky, Evgeny"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2685"]
[BlackElo "2708"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,47,21,13,14,14,19,22,20,10,16,10,6,0,22,6,6,20,8,0,18,8,19,6,14,16,
31,-9,13,-12,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6.
Bh4 Nbd7 7. e3 O-O 8. Rc1 c5 {The modern move. D63: Queen's Gambit Declined:
Classical: 7 Rc1.} 9. dxc5 dxc4 10. c6 bxc6 11. Bxc4 Nb6 12. Be2 Qxd1+ 13. Bxd1
Bb7 14. O-O Rfd8 15. Be2 c5 16. Rfd1 {[#]} Kf8 $146 ({Predecessor:} 16... Rxd1+
17. Rxd1 Kf8 18. b3 Nfd5 19. Bxe7+ Kxe7 20. Rc1 Rc8 21. Nd2 Nxc3 22. Rxc3 g5
23. Kf1 f5 {1/2-1/2 (31) Shevchenko,K (2539)-Berkes,F (2675) Teplice 2019}) 17.
Ne5 Rxd1+ 18. Rxd1 Nfd5 (18... Rc8 {keeps more tension.} 19. b3 g5 20. Bg3 Nbd5
21. Na4 Ne4) 19. Bxe7+ Kxe7 20. Nxd5+ exd5 {The position is equal.} 21. f4 Rc8
22. Kf2 Rc7 23. h4 Nd7 24. Nxd7 {A rather calm draw.  Weighted Error Value:
White=0.06/Black=0.04} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "4.3"]
[White "Gelfand, Boris"]
[Black "Andreikin, Dmitry"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2680"]
[BlackElo "2728"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,80,17,15,17,12,13,11,14,17,21,16,22,27,36,31,49,56,50,44,69,65,75,64,
73,46,118,114,125,128,101,124,108,113,111,88,130,71,63,26,116,102,156,150,157,
147,124,8,11,10,3,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3.
Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 c6 8. Qxc4 b5 {E06: Closed
Catalan: Early deviations.} 9. Qd3 Bb7 10. Be3 Nbd7 11. Nbd2 {[%cal Bb1d2,
Bd2e4,Be4c5][%mdl 32]} a5 12. Rac1 Nd5 13. Ne4 {[#]} Qb6 $146 ({Predecessor:} 
13... Nxe3 14. Qxe3 Qc7 15. Qf4 Qxf4 16. gxf4 Rfd8 17. e3 Rac8 18. Ne5 Nb6 19.
Nc5 Bxc5 20. Rxc5 {1/2-1/2 (68) Filip,L (2400)-Vasilev,M (2476) Sunny Beach
2007}) 14. Nc5 Rfd8 15. Nxb7 Qxb7 16. Bg5 N7f6 17. e4 Nb4 18. Qb1 Rac8 19. Rfd1
Qb6 ({Better is} 19... h6 $14) 20. a3 $16 Na6 21. e5 Nd5 22. Bxe7 Nxe7 23. Ng5
g6 24. Qe4 Nf5 {[%cal Rd8d4]} 25. Nf3 (25. Rxc6 $2 Qxc6 26. Qxc6 Rxc6 $19) (25.
g4 $142 Nxd4 26. Qe3) 25... c5 {[%cal Rf5d4]} 26. Bf1 Kg7 {[#]} (26... Nxd4 $11
27. Nxd4 cxd4) 27. Qf4 $1 Nxd4 ({Black should try} 27... Qb7) 28. Nxd4 ({Resist
} 28. Qf6+ $6 Kg8 $14) 28... cxd4 29. Rxc8 Rxc8 30. Qxd4 (30. Rxd4 $16 Qb7 {[#]
} 31. Rd8 $3 {[%mdl 576] Decoy} Rxd8 32. Qf6+ {[%mdl 64] Double Attack} Kh6 33.
Qh4+ (33. Qxd8 Kg7 $16) 33... Kg7 34. Qf6+ (34. Qxd8 a4 $16) 34... Kh6 35. Qxd8
) 30... Qxd4 $11 {The position is equal.} 31. Rxd4 $16 {[%mdl 4096] Endgame
KRB-KRN} Rc5 32. f4 Nc7 33. b4 Rc3 34. bxa5 Rxa3 35. Rd7 Nd5 36. Bxb5 {
Threatens to win with a6.} Rxa5 37. Rb7 Ra1+ 38. Kf2 Ra2+ 39. Kf3 Ra3+ 40. Kf2
Ra2+ {Weighted Error Value: White=0.12/Black=0.15} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "4.4"]
[White "Alekseenko, Kirill"]
[Black "Abdusattorov, Nodirbek"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2693"]
[BlackElo "2648"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,110,12,25,28,24,10,26,19,29,26,27,39,34,35,35,31,52,45,56,47,69,76,
51,53,68,0,44,29,39,40,48,44,47,55,51,0,0,-121,-127,-127,-99,-168,0,0,104,111,
160,132,307,295,431,426,424,419,431,429,431,424,423,413,468,467,460,474,470,
439,425,390,367,379,362,350,440,387,395,394,380,235,236,232,422,411,518,525,
550,463,460,454,431,-1417,-527,-543,-546,-477,-475,-467,-438,-637,-579,-763,
-791]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. O-O Ba7 7. a4 {
outshines the older 7.Bb3. C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4
and 5 d3.} d6 8. a5 h6 9. Be3 {White has an edge.} O-O 10. Nbd2 {[%cal Bb1d2,
Bd2f1,Bf1e3][%mdl 32]} Ne7 11. Bxa7 Rxa7 12. Re1 Ng6 13. d4 Qe7 14. Qb3 {[#]}
Nh5 $146 ({Predecessor:} 14... Ra8 15. Nf1 Bg4 16. N3d2 Rab8 17. f3 Be6 18. Ne3
Rfe8 19. Ra4 Bxc4 20. Qxc4 Qd7 {1-0 (37) Eisenbeiser,A (2373)-Hiermann,D (2296)
Austria 2016}) 15. Nf1 Bg4 16. N3d2 Nhf4 17. Ne3 Qg5 18. g3 (18. Nxg4 $14 Qxg4
19. g3) 18... Be6 19. Qd1 exd4 20. cxd4 Nh3+ 21. Kg2 Nh4+ 22. Kf1 Bxc4+ 23.
Ndxc4 ({Better is} 23. Nexc4 $14 f5 24. Qb3) 23... f5 $11 24. gxh4 (24. Qb3 $11
Kh8 25. gxh4 fxe4 26. Nd1 Qg1+ {[%mdl 64] Double Attack} 27. Ke2 Qxh2 28. Rf1)
24... fxe4 $17 {[%csl Gh3][%cal Rf8f2]} 25. Qc2 Qxh4 {[%cal Rf8f2]} 26. Re2
Raa8 $2 ({Black should try} 26... Ng5 $19 27. Nd2 c6) 27. Ng2 $1 $11 {[%cal
Rg2h4]} Qg4 (27... Qh5 $1 $11 {remains equal.}) 28. Ra3 (28. Rxe4 $2 Rxf2+ 29.
Qxf2 Qxe4 $19) 28... Rf3 29. Nce3 ({But not} 29. Rxe4 $2 Rxf2+ 30. Qxf2 Qxe4
$19) 29... Qg6 {[#]} (29... Qh5 $16 {was necessary.}) 30. Nd5 $1 $18 {[%cal
Rd5e7]} (30. Qxc7 Raf8 $16) 30... Qf7 {[#]} (30... Qg4 $142 31. Rxe4 Rxf2+ 32.
Qxf2 Qxe4 33. Nf6+ (33. Rxh3 Qxd5 34. Rf3 Re8 $14) 33... gxf6 34. Rxh3 Re8 35.
Qxf6 Qe2+ 36. Kg1 Qd1+ 37. Kf2 (37. Qf1 Qxd4+ 38. Kh1 Re7 $18) 37... Qe2+ 38.
Kg3 Re6) 31. Ne7+ $1 {[%mdl 512]} Kh8 {[#] White should prevent ...Rxa3.} 32.
Nh4 $1 {aiming for Rxf3.} Rxa3 33. bxa3 {Nhg6+ is the strong threat.} d5 34.
Qxc7 Kh7 35. Qe5 Nf4 36. Rc2 Rf8 {Strongly threatening ...Qe8.} 37. Nef5 {
Hoping for Rc7.} Nd3 38. Qg3 {Black must now prevent Rc7.} Qf6 {intending ...
g5.} 39. Rc7 Rf7 40. Rxf7 Qxf7 41. Ne3 g6 42. f3 Nf4 43. Nhg2 Ne6 44. Nxd5 Nxd4
45. Nge3 h5 $2 (45... Nxf3 {is a better defense.} 46. Kg2 h5) 46. f4 Qe6 47.
Kg2 Nf3 48. f5 gxf5 49. Qc7+ Kh6 50. Nf4 {[%mdl 8192]} (50. Kh1 $18 Qg6 51.
Qf4+ Kh7 52. Qxf5) 50... Qa2+ (50... Qg8+ $142 51. Ng6 Qxg6+ 52. Qg3 f4 53.
Qxg6+ Kxg6) 51. Nc2 $19 {[#]} Qxc2+ $1 {[%mdl 576] Remove Defender, Decoy} 52.
Qxc2 {White wants to mate with Qc3.} Ne1+ {[%mdl 64] Double Attack} 53. Kg3 {
Intending Qc3 and mate.} Nxc2 54. Ne6 (54. Nd5 $142 Nxa3 55. Kf4) 54... Nxa3
55. Nc5 Kg5 {What a bad dream for White.  Weighted Error Value: White=0.35/
Black=0.53} 0-1

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "4.5"]
[White "Giri, Anish"]
[Black "Vitiugov, Nikita"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2777"]
[BlackElo "2727"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,115,-12,3,-7,0,0,0,0,3,-23,-24,-28,-17,-50,0,0,0,0,0,0,0,0,-6,-10,0,
-25,-28,-25,-25,-57,-57,-57,-57,-57,0,-32,0,0,0,0,0,0,0,-2,28,27,31,23,30,45,
25,27,91,108,119,110,177,175,217,217,216,211,281,273,313,307,339,317,481,475,
453,454,540,562,537,510,497,593,589,564,1245,1114,968,1506,1319,1397,1337,1320,
1019,1014,12845,12837,2539,5401,12846,12847,12848,12848,12850,27999,27999,
27999]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Na5 8.
Rb1 Bd7 9. h4 {C02: French: Advance Variation.} h6 {[#]} 10. b4 $146 (10. Be2 {
looks sharper.} Ne7 11. g3 O-O-O 12. Kf1 Kb8 13. Kg2) ({Predecessor:} 10. g3
Ne7 11. Bg2 Nb3 12. O-O Ba4 13. Qe2 O-O-O 14. Nxb3 Qxb3 15. Bf4 Nc6 16. Nd2 Qb6
{0-1 (34) Janotta,S (2054)-Hegeler,A (2183) Germany 2011}) 10... cxb3 11. Nxb3
{The position is equal.} Nxb3 (11... Ba4 {seems wilder.} 12. Nfd2 Ne7 13. Rh3
Nxb3 14. Nxb3 Qc7) 12. Qxb3 (12. Nd2 {feels hotter.} Ne7 13. Nxb3 Ba4 14. Bd3
Nc6 15. Bc2) 12... Qxb3 13. Rxb3 b6 14. Bb5 Ne7 15. a4 Nc6 16. h5 Na5 17. Rb1
Rc8 18. Kd2 Be7 19. Kd3 Rc7 (19... Bc6 {is interesting.} 20. g4 Rc7 21. g5 hxg5
22. Nxg5 Kf8) 20. Ng1 O-O 21. Bxd7 Rxd7 22. g4 Rc7 23. Ne2 Rc4 24. Ra1 Rfc8 (
24... Nb3 $15 25. Rb1 Na5) 25. Ra2 Nc6 26. Bd2 f6 27. exf6 Bxf6 {aiming for ...
e5.} 28. f4 Rf8 29. Rh3 Na5 30. g5 Bd8 31. gxh6 gxh6 32. Rg3+ Kh7 33. Rg6 Rf6 (
33... Rf5 $11) 34. f5 $1 $16 {Black is on the road to losing.} exf5 35. Nf4 {
Threatens to win with Ne6.} Rcc6 (35... Rc8 $16) 36. Rxf6 $18 ({Stronger than} 
36. Nxd5 Rxg6 37. hxg6+ Rxg6 $11) 36... Bxf6 37. Nxd5 Bg5 38. Bf4 Re6 39. Rf2
Bh4 40. Rf1 Nc6 41. Be3 Bg5 (41... Kg7 $142 42. Rxf5 Bd8) 42. Bxg5 hxg5 43.
Rxf5 {[%mdl 4096] Endgame KRN-KRN} Kh6 44. Rf6+ Rxf6 45. Nxf6 {KN-KN} Na5 46.
Ke4 Nc4 {If only Black now had time for ...Nb2....} 47. d5 Nb2 48. Kf5 Nxa4 49.
Ne4 b5 50. d6 {[#] Intending d7 and mate.} Nb6 51. Nxg5 ({Weaker is} 51. Nf6 a5
$14) 51... a5 52. Ne4 Kxh5 53. Nc5 b4 {[#]} 54. c4 $1 Kh4 55. Ke6 Kg3 56. d7
Nxd7 57. Kxd7 ({Not} 57. Nxd7 b3 $11) 57... Kf3 58. Kc6 {Weighted Error Value:
White=0.04/Black=0.23} 1-0

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "5.1"]
[White "Vitiugov, Nikita"]
[Black "Matlakov, Maxim"]
[Result "1/2-1/2"]
[ECO "E48"]
[WhiteElo "2727"]
[BlackElo "2683"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,42,0,-5,-16,-13,-12,0,-17,-11,-2,0,0,0,-84,0,0,8,4,31,-116,-116,-119,
-118,-116,-122,-106,-80,-66,-51,-53,-30]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3
O-O 5. Bd3 d5 6. cxd5 exd5 7. Nge2 Bd6 8. Bd2 {E48: Nimzo-Indian: Rubinstein:
5 Bd3 d5 including 6 Ne2, but excluding 6 a3.} b6 9. O-O Re8 10. Nb5 {The
position is equal.} Bf8 11. Rc1 c5 12. dxc5 bxc5 {[#]} 13. Qa4 $146 (13. Bc3
$11 Nbd7 14. Qd2) ({Predecessor:} 13. Bc3 Nbd7 14. Qd2 a6 15. Ba5 Nb6 16. Nbc3
Qd6 17. Nf4 Bb7 18. Rfd1 g6 19. Qc2 {1/2-1/2 (39) Grischuk,A (2777)-Karjakin,S
(2752) Lichess.org INT 2020}) 13... Nbd7 (13... a6 $17 14. Na3 Bd7) 14. Ba5 $1
$11 {[%cal Ra5d8]} Nb6 15. Qf4 Ba6 {Hoping for ...c4.} 16. Rfd1 {[#]} (16. a4
$14 {keeps the upper hand.}) 16... c4 $1 $36 {[%cal Rc4d3][%mdl 2048] Keeping
White busy.} 17. Bxc4 {Strongly threatening Bd3.} Re4 {[%mdl 64] Double Attack}
18. Qf3 {Black must now prevent Bxd5!} ({Don't go for} 18. Bxb6 $2 Qxb6 19. Qc7
Rxc4 $19) 18... Rxc4 {[%mdl 64] Remove Defender} 19. Rxc4 {a4 is the strong
threat.} Bxb5 20. Rc2 Rc8 21. Qf5 {[#] aiming for Bxb6.} Bd7 {Weighted Error
Value: White=0.30/Black=0.15} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "5.2"]
[White "Abdusattorov, Nodirbek"]
[Black "Giri, Anish"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2648"]
[BlackElo "2777"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,78,21,54,46,52,25,17,0,35,-10,-4,-25,0,0,-6,-26,0,-43,-43,-43,-32,-41,
-48,-154,-157,-143,-139,-163,-161,-160,-145,-162,-160,-153,-167,-150,-155,-202,
-208,-210,-196,-196,-205,-209,-206,-189,-196,-244,-249,-251,-264,-268,-235,
-242,-242,-245,-243,-230,-220,-279,-268,-298,-298,-283,-283,-422,-367,-481,
-474,-445,-438]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 c5 6. dxc5 {
D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} Bg7 7.
Rc1 O-O 8. Nf3 {The position is equal.} Nc6 9. e3 Ndb4 $1 10. a3 Nd3+ 11. Bxd3
Qxd3 12. Qe2 Bf5 {[#]} 13. e4 $146 ({Predecessor:} 13. Qxd3 Bxd3 14. Nd1 a5 15.
b3 Rfd8 16. Bc3 Rd5 17. Bxg7 Kxg7 18. Nb2 Rad8 19. h4 {1/2-1/2 (41) Khasin,
A-Goltsov,L Kaluga 1970}) 13... Qxe2+ 14. Kxe2 Bg4 15. Be3 f5 $1 16. h3 (16.
exf5 $15 gxf5 17. Rce1) 16... Bxf3+ $17 17. gxf3 f4 18. Bd2 Nd4+ 19. Kd3 Rad8 {
[#] aiming for ...Nb3+.} 20. Rcd1 Nxf3+ 21. Kc2 Nd4+ 22. Kb1 Nb3 23. Bc1 Nxc5
24. Rxd8 Rxd8 25. Bxf4 Bxc3 26. bxc3 Nxe4 $19 {[%mdl 4096] Endgame KRB-KRN} 27.
Kc2 Nxf2 28. Re1 Nxh3 29. Bh6 {[#]} Re8 30. Rd1 g5 31. Rd3 Nf4 32. Re3 Kf7 {
...Kg6 is the strong threat.} 33. Bxg5 e5 34. c4 h5 35. Kd2 b6 36. Re1 Re6 37.
Rf1 (37. a4 {was worth a try.}) 37... Rd6+ 38. Ke3 Rd3+ 39. Ke4 Ke6 {Black
took control after the opening.  Weighted Error Value: White=0.22/Black=0.06}
0-1

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "5.3"]
[White "Andreikin, Dmitry"]
[Black "Alekseenko, Kirill"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2728"]
[BlackElo "2693"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,115,38,53,41,32,35,27,29,34,18,66,15,58,35,43,37,17,18,48,50,68,3,15,
0,18,13,27,31,21,18,31,0,18,14,45,40,55,45,142,124,161,162,236,244,232,251,238,
239,219,215,223,216,288,282,284,247,325,318,320,310,275,255,262,254,241,254,
285,262,259,258,250,255,381,395,441,440,435,312,430,425,385,376,512,506,497,
472,813,810,690,794,816,814,803,803,822,690,821,822,804,797,778,765,1164,1128,
1144,1129,2625,1904]} 1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 Nc6 5. Nf3 e4 6.
Nfd2 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} Qg5 7. Nxe4 {7.Nxe4 is
better than 7.g3.} Qxg2 {[%mdl 64] [#] Double Attack} 8. Ng3 {White has an
edge.} Qh3 9. Nc3 Bd6 {[#]} 10. Qf3 $146 (10. Qb3 $14) ({Predecessor:} 10. Nce4
Nh6 11. Qh5 Bb4+ 12. Bd2 Qxh5 13. Nxh5 Bg4 14. Be2 Bxe2 15. Kxe2 Bxd2 16. Kxd2
{1/2-1/2 (53) Georgiev,K (2587)-Vocaturo,D (2617) Chess.com INT 2020}) 10...
Nh6 11. Bf1 (11. Qe4+ {is interesting.} Ne7 12. Nb5 Qd7 13. Bd2 O-O 14. Qc2)
11... Qh4 12. Qe4+ Qxe4 13. Ngxe4 Be7 14. Nd5 O-O 15. Bg2 (15. Nxc7 $14 Bf5 16.
Ng3) 15... Bd8 $11 16. Bd2 Nf5 17. Rg1 Nce7 18. Nxe7+ Bxe7 19. d5 a5 20. O-O-O
Nh4 21. Bh1 Ra6 22. Bc3 Ng6 23. Bf3 f5 {Black is now going downhill.} (23... a4
$14) 24. Ng5 Bf6 25. d6 {aiming for d7.} Bxc3 (25... Bxg5 $142 26. d7 (26. Rxg5
Rxd6 27. Rxd6 cxd6 $16) 26... Bxd7) 26. bxc3 $18 {Strongly threatening d7.}
cxd6 27. Bd5+ Kh8 28. Nf7+ Rxf7 29. Bxf7 Ne5 30. Bd5 a4 31. Rd4 g6 32. Rgd1 Ra5
33. f4 Ng4 34. Rc4 Bd7 35. Rc7 ({And not} 35. Bxb7 Nxe3 36. Rxd6 Nxc4 $14)
35... Nxe3 {[#]} 36. Re1 Nxd5 37. Rxd7 {[%cal Re1e8][%mdl 4096] Endgame KRR-KRN
} Ra8 38. Rxb7 ({But not} 38. Rxd6 $6 Nxf4 39. Re7 b5 $18) 38... Rc8 39. Kb2
Nxf4 {White must now prevent ...Nd3+.} 40. Ree7 Nd3+ (40... h6 $142 41. Rh7+
Kg8 42. Rbg7+ (42. Rxh6 Nd3+ 43. Kc2 Ne5 $18) 42... Kf8) 41. Kc2 Ne5 42. Rxh7+
Kg8 43. Rbg7+ Kf8 44. Ra7 {[%cal Rh7h8]} Kg8 45. Rhc7 {[%cal Rc7c8]} Re8 46.
Rxa4 {White is clearly winning.} g5 47. Raa7 f4 (47... g4 $142 48. a4 f4) 48.
Rg7+ {[%mdl 64] Double Attack} Kf8 49. Rh7 {[%cal Rh7h8]} Kg8 50. Rag7+ Kf8 51.
Rxg5 Re6 52. Rf5+ Kg8 53. Rh3 Ng6 54. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]}
Kg7 55. a5 Re1 56. Rd3 Ne5 57. Rxd6 f3 58. a6 {Weighted Error Value: White=0.
09/Black=0.28} 1-0

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "5.4"]
[White "Tomashevsky, Evgeny"]
[Black "Gelfand, Boris"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2708"]
[BlackElo "2680"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,37,-2,-16,-13,-14,-25,-22,-16,-53,-18,-20,-12,-36,-14,-14,-14,-14,
-24,-19,-13,-13,-18,-8]} 1. Nf3 c5 2. e3 Nf6 3. c4 g6 4. b3 Bg7 5. Bb2 O-O 6.
Be2 Nc6 7. O-O d5 8. cxd5 Qxd5 $1 {The main line 8...Qxd5 scores better than 8.
..Nxd5.} 9. Nc3 Qf5 {A30: Symmetrical English: Double Fianchetto and Hedgehog.}
10. Nh4 Qd7 {[#]} 11. Nf3 $146 ({Predecessor:} 11. Na4 b6 12. a3 Bb7 13. Rc1
Rad8 14. Bc3 Qe6 15. f4 Ne4 16. f5 Qd6 17. Bxg7 Kxg7 {0-1 (38) Gamboa Gonzalez,
A (2096)-Blechzin,I (2411) Opatija 2013}) 11... b6 12. Bb5 {[#] Strongly
threatening Ne5!} Qd6 13. d4 cxd4 14. Ne2 Bb7 {With the idea ...dxe3.} 15.
Nexd4 Nxd4 16. Qxd4 Ne8 17. Ne5 Qxd4 18. Bxd4 Nd6 19. Bd3 {An uneventful
encounter.  Weighted Error Value: White=0.09/Black=0.07} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.11"]
[Round "5.5"]
[White "Paravyan, David"]
[Black "Korobov, Anton"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2660"]
[BlackElo "2685"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,39,28,11,31,10,8,0,0,19,42,44,55,52,54,47,112,106,125,79,82,69,143,
26,591,578,918,937,864,567]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3
a6 6. h3 Nc6 7. Be3 e5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3
Ng4 and 6 Be3 e5.} 8. Nb3 Be6 9. Qf3 Be7 {The position is equal.} 10. O-O-O O-O
11. g4 Rc8 12. g5 Nd7 13. h4 {[#]} Nb6 $146 (13... Nb4 $14) ({Predecessor:} 
13... Nb4 14. Kb1 f5 15. Bh3 Bxb3 16. cxb3 Qa5 17. Qe2 d5 18. a3 d4 19. axb4
Bxb4 20. Na2 {1-0 (20) Sprenger,J (2513)-Kantans,T (2524) Antalya 2017}) 14.
Kb1 $16 Nc4 15. Nd5 b5 16. Rg1 a5 ({Better is} 16... Kh8 $14) 17. Bh3 ({
White should play} 17. Bxc4 $16 bxc4 {[#]} 18. Bb6 $1 cxb3 19. Bxd8 bxc2+ 20.
Kxc2 Nd4+ {[%mdl 64] Discovered Attack (Double check)} 21. Kb1 Nxf3 22. Nxe7+ {
[%mdl 64] Discovered Attack} Kh8 23. Nxc8 Nxg1 24. Nxd6) 17... Qd7 $2 {[%mdl
8192] [#]} (17... Kh8 $11) 18. Nc5 $1 $18 {[%mdl 512] White is clearly winning.
} Nd4 (18... Qe8 19. Nxe6) 19. Nxd7 Nxf3 20. Nxe7+ {Weighted Error Value:
White=0.23/Black=0.81} 1-0

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "6.1"]
[White "Matlakov, Maxim"]
[Black "Korobov, Anton"]
[Result "1/2-1/2"]
[ECO "B94"]
[WhiteElo "2683"]
[BlackElo "2685"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,99,16,6,13,14,18,3,4,4,26,31,41,21,39,43,29,30,38,29,52,33,49,0,39,0,
110,58,78,76,70,45,52,63,64,45,38,39,46,9,29,22,21,21,25,28,36,0,0,0,0,0,18,0,
16,14,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1.
e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 {7.Qe2 is
the recent fashion.} Qb6 {B94: Sicilian Najdorf: 6 Bg5 Nbd7.} 8. Bb3 e6 9. Bxf6
Nxf6 10. Qd2 {10.f4 is vanishing.} g6 11. O-O-O Bg7 12. Kb1 O-O 13. f4 Bd7 14.
f5 {[%cal Rf5e6]} exf5 15. exf5 {[#]} Rae8 $146 ({Predecessor:} 15... a5 16. a4
d5 17. Qf4 Rac8 18. Qf3 Bc6 19. fxg6 hxg6 20. Rhf1 Rce8 21. g4 Ne4 {1/2-1/2 
(46) Eliseev,N (2059)-Jensen,E (2445) ICCF email 2017}) 16. fxg6 hxg6 17. Rhf1
a5 18. Qd3 Kh7 (18... d5 $11) 19. h3 ({Better is} 19. Nf3 $16 {Hoping for Ng5+.
} Bf5 20. Qxd6 Qxd6 21. Rxd6) 19... Qc5 20. Nf3 Bc6 21. Qxd6 Qxd6 22. Rxd6 Kh6
23. a4 Ne4 24. Nxe4 Rxe4 25. Nd2 Re7 26. g4 Be5 27. Rd3 f5 28. gxf5 gxf5 29.
Bd5 Bxa4 {The position is equal.} 30. Nc4 Bc7 31. Bxb7 f4 32. b3 Bd7 33. Bf3 a4
34. Kb2 axb3 35. cxb3 Rg8 36. Bg4 Bxg4 37. hxg4 Rxg4 38. b4 Rg3 39. Kc3 Kg5 40.
b5 Re6 41. Rb1 f3 42. b6 Bf4 43. b7 f2 44. Rxg3+ Bxg3 $11 {[%mdl 4096] Endgame
KRB-KRN} 45. Nd2 Re8 46. Kd3 Kg4 47. Ne4 Kf3 48. Nxf2 Rd8+ 49. Kc4 {[#] Nd3 is
the strong threat.} Kxf2 50. Rb3 {Weighted Error Value: White=0.08/Black=0.09}
1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "6.2"]
[White "Gelfand, Boris"]
[Black "Paravyan, David"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2680"]
[BlackElo "2660"]
[Annotator "RC"]
[PlyCount "61"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. Nf3 {[%emt 0:00:01]} f5 {[%emt 0:00:02]} 2. g3 {[%emt 0:00:02]} g6 {[%emt 0:
00:04]} 3. Bg2 Bg7 {[%emt 0:00:01]} 4. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:02]}
5. O-O {[%emt 0:00:02]} O-O {[%emt 0:00:02]} 6. b3 {[%emt 0:00:00]} d6 {
[%emt 0:00:05]} 7. Bb2 {[%emt 0:00:02]} Ne4 {[%emt 0:00:01]} 8. Nbd2 {[%emt 0:
00:09]} Nc6 {[%emt 0:02:22]} 9. Ne1 {[%emt 0:00:15]} Ng5 {[%emt 0:02:26]} 10.
f4 {[%emt 0:00:09]} Nf7 {[%emt 0:00:02]} 11. Nc4 {[%emt 0:00:05]} e6 {[%emt 0:
02:25]} 12. Qd2 {[%emt 0:00:09]} Bd7 {[%emt 0:00:10]} 13. Rd1 {[%emt 0:01:39]}
Rb8 {[%emt 0:00:18]} 14. Ne3 {[%emt 0:02:38]} Ne7 {[%emt 0:03:15]} 15. c4 {
[%emt 0:00:46]} g5 {[%emt 0:02:36]} 16. Nd3 {[%emt 0:05:58]} Ng6 {[%emt 0:00:
03]} 17. Kh1 {[%emt 0:00:06]} Qe7 {[%emt 0:00:40]} 18. Rf2 {[%emt 0:01:05]} Kh8
{[%emt 0:01:49]} 19. Rdf1 {[%emt 0:00:40]} g4 {[%emt 0:01:38]} 20. d5 {[%emt 0:
01:05]} h5 {[%emt 0:00:02]} 21. dxe6 {[%emt 0:01:17]} Bxe6 {[%emt 0:00:02]} 22.
Nd5 {[%emt 0:00:01]} Bxd5 {[%emt 0:00:09]} 23. cxd5 {[%emt 0:00:21]} Nh6 {
[%emt 0:00:33]} 24. Re1 {[%emt 0:01:13]} h4 {[%emt 0:00:03]} 25. Kg1 {[%emt 0:
00:03]} Rbe8 {[%emt 0:00:17]} 26. e4 {[%emt 0:00:17]} fxe4 {[%emt 0:00:12]} 27.
Bxe4 {[%emt 0:00:20]} Qxe4 {[%emt 0:00:10]} 28. Rxe4 {[%emt 0:00:22]} Rxe4 {
[%emt 0:00:01]} 29. f5 {[%emt 0:00:25]} Nxf5 {[%emt 0:00:19]} 30. Rxf5 {
[%emt 0:00:03]} Rxf5 {[%emt 0:00:01]} 31. Qh6+ {[%emt 0:00:01]} 1-0

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "6.3"]
[White "Alekseenko, Kirill"]
[Black "Tomashevsky, Evgeny"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2693"]
[BlackElo "2708"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,71,4,10,15,15,1,4,-39,11,-43,-34,-35,-30,-37,-31,-41,-29,-28,-39,-39,
1,-22,0,-12,0,-18,0,0,-13,-16,-23,-16,0,-22,0,-25,-14,-10,0,-9,0,-35,-22,-49,
-10,-58,-58,-79,-71,-79,-69,-223,-8,-8,-8,-8,-7,-7,-8,-5,-5,-7,0,-6]} 1. e4 e5
2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bg5 Be7 6. O-O {C65: Ruy Lopez: Berlin
Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} h6 7. Bh4 d6 {[#]} 8. c3 $146
({Predecessor:} 8. d4 O-O 9. Bxc6 bxc6 10. dxe5 Nxe4 11. Bxe7 Qxe7 12. Re1 d5
13. Nbd2 Nxd2 14. Qxd2 {1/2-1/2 (61) Carlsen,M (2837)-Eljanov,P (2711) Riadh
2017}) 8... O-O (8... g5 $5 {[%cal Rg5h4]} 9. Bg3 O-O $11) 9. h3 ({Better is} 
9. Nbd2 $11) 9... Nh5 $15 10. Bg3 Nxg3 11. fxg3 Nb8 12. d4 c6 13. Ba4 Nd7 14.
Nbd2 g6 15. Kh2 Kg7 16. Qe2 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 17. Bc2 a4 18. Nc4
{[%cal Rd4e5]} Qc7 19. Rad1 b5 20. Ne3 Nf6 {[%cal Bd7f6,Bf6h7,Bh7g5][%mdl 32]}
21. Qf2 Bd7 22. Kh1 Rae8 23. g4 Nh7 24. Qg3 {[%cal Rd4e5]} Bd8 25. Rd2 Bc8 26.
Rdf2 Ng5 27. dxe5 dxe5 28. h4 Nxf3 29. Rxf3 Qe7 30. Nf5+ Bxf5 $2 (30... gxf5
$19 31. gxf5+ Kf6) 31. exf5 $11 {[#] Hoping for f6+.The position is equal.}
Qxh4+ 32. Qxh4 Bxh4 33. fxg6 fxg6 34. Rxf8 Rxf8 35. Rxf8 Kxf8 36. Be4 {
Weighted Error Value: White=0.21/Black=0.21} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "6.4"]
[White "Giri, Anish"]
[Black "Andreikin, Dmitry"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2777"]
[BlackElo "2728"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,90,35,33,23,29,18,35,34,19,27,19,25,20,15,17,18,21,13,12,15,20,19,41,
25,28,18,18,10,12,12,12,12,18,0,28,12,11,8,28,31,30,27,31,33,29,24,30,19,43,49,
47,50,43,40,30,22,35,21,21,0,59,59,59,59,59,59,59,59,59,59,59,59,59,28,59,0,59,
28,28,0,59,28,59]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 Bf5 6. Ne5 {
D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} Nbd7 7. Qb3 Qc7
8. cxd5 {White is slightly better.} Nxe5 9. dxe5 Nxd5 10. Nxd5 cxd5 11. Bd2
Qxe5 12. Rc1 Bd7 13. Bc3 Qc7 14. Qxd5 Bc6 15. Qg5 {[#]} Qd6 $146 ({Predecessor:
} 15... h6 16. Qg4 e6 17. Be2 h5 18. Qh3 Rh6 19. O-O g5 {1-0 (52) Andreikin,D 
(3040)-Krishna,C (2473) Chess.com INT 2020}) 16. Bc4 (16. f3 {keeps more
tension.} Qg6 17. Qe5 Rd8 18. Kf2 e6 19. Be2) 16... Qg6 17. Qxg6 hxg6 18. f3 e6
19. Kf2 Rc8 20. h3 Rh5 21. Bb3 Rc5 22. Bd4 Rxc1 23. Rxc1 Bd7 24. Rxc8+ Bxc8 $11
{[%mdl 4096] Endgame KBB-KBB} 25. Bc2 g5 26. f4 gxf4 27. exf4 f5 28. Bd1 Bd6
29. Bxg7 {aiming for Ke3.} Bxf4 30. Bh5+ Ke7 31. h4 Bd7 32. Bg6 (32. g4 {
with more complications.} fxg4 33. Bxg4 Kf7 34. Bd4 Kg6 35. b3) 32... Be8 33.
Bxe8 (33. Kf3 {seems wilder.} Bh6 34. Bxh6 Bxg6 35. Kf4 Be8 36. Bg7) 33... Kxe8
$14 {KB-KB} 34. Kf3 Bc1 (34... e5 $1 $11) 35. h5 Kf7 36. Be5 Bd2 37. g4 Bc1 38.
b3 Bd2 39. Bf4 Bc3 40. Bg5 Be5 41. Bh4 Bb2 42. Bg5 (42. Be1 $14) 42... Bc3 (
42... Be5 $11) 43. Kg3 Be1+ 44. Kf3 Bc3 $1 45. Bd8 Bb2 {Weighted Error Value:
White=0.08/Black=0.09} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "6.5"]
[White "Vitiugov, Nikita"]
[Black "Abdusattorov, Nodirbek"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "2727"]
[BlackElo "2648"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,62,6,15,0,0,4,18,22,13,7,24,-15,-10,-23,-38,-72,-60,-77,-76,-84,-56,
-73,-83,-102,-87,-87,-92,-89,-76,-170,-173,-170,-172,-163,-161,-186,-180,-194,
-186,-479,-470,-1141,-1141,-29983,-29984,-29992,-29993,-29993,-29994,-29994,
-29995,-29995,-29996]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6.
g3 Nc6 $1 {[%mdl 4] is recently more successful than 6...Bg7.} 7. Nxc6 {
B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3).} bxc6 8. Bg2 Qc7 9.
b3 {The position is equal.} Bg7 {Threatens to win with ...Nxe4!} 10. Bb2 {[#]}
Ba6 $1 $146 {[%mdl 8] An important novelty.} ({Predecessor:} 10... O-O 11. O-O
Ba6 12. Re1 Rad8 13. Qd4 e5 14. Qd2 Nd7 15. Na4 Bb5 16. Nc3 Ba6 {1/2-1/2 (58)
Wang,H (2722)-Wojtaszek,R (2727) Douglas 2018}) 11. Ne2 O-O 12. O-O d5 13. exd5
cxd5 {[%cal Bc6d5,Bd5d4][%mdl 32]} 14. Re1 e5 $1 15. Nc3 d4 {[%cal Rd4c3]} 16.
Na4 (16. Bxa8 $2 dxc3 17. Bxc3 Qxc3 $19) 16... Rad8 {Black converts the
advantage convincingly.} 17. Qd2 Rfe8 18. c3 {[%cal Rc3d4]} d3 19. c4 Bb7 20.
Rad1 (20. Bxb7 $17 {was called for.} Qxb7 21. Nc3 (21. Bxe5 Ne4 $17) (21. Rxe5
Rxe5 22. Bxe5 Ne4 $17)) 20... Bxg2 $19 21. Kxg2 Qc6+ 22. Kg1 e4 23. h3 e3 $36 {
[%mdl 2048] Keeping White busy.} 24. Rxe3 {Strongly threatening Qa5.} Ne4 25.
Qa5 {[#]} (25. Rxe4 Qxe4 26. Bxg7 Kxg7 27. Nc3) 25... Nxf2 $1 {[%mdl 512] ( ->
...Qh1+)} 26. Kxf2 (26. Rd2 $142 Qh1+ 27. Kxf2 Qh2+ 28. Kf1 Qxh3+ 29. Kf2 (29.
Kg1 $2 Rxe3 30. Qxd8+ Bf8 $19)) 26... Bxb2 27. Nxb2 Qf6+ {[%mdl 64] Double
Attack. Black mates.} 28. Rf3 Re2+ 29. Kg1 Qxf3 {[%csl Ge2][%cal Rf3g2]} 30.
Qxd8+ Kg7 {[%csl Ge2][%cal Rf3g2]} 31. Qd4+ {[#]} f6 $1 {[%csl Ge2][%cal Rf3g2]
Weighted Error Value: White=0.72/Black=0.02} 0-1

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "7.1"]
[White "Abdusattorov, Nodirbek"]
[Black "Matlakov, Maxim"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2648"]
[BlackElo "2683"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,125,0,0,-6,-4,-8,4,-7,7,5,13,10,0,-17,-4,12,11,16,24,9,10,14,13,-30,0,
0,32,-25,-13,-46,-17,-25,-7,-13,0,0,0,0,0,0,24,0,14,8,12,18,27,8,157,170,181,
117,238,213,252,235,204,133,136,147,158,113,145,95,114,72,77,65,67,47,134,49,
138,147,133,106,123,119,133,127,166,166,158,158,177,173,158,80,84,89,77,77,77,
79,86,21,218,0,327,316,6528,6432,4821,1414,1320,1375,1319,1098,1235,1180,1153,
1095,1217,1197,1094,1055,29985,29986]} 1. c4 e5 2. Nc3 Bb4 3. Nd5 Be7 4. Nf3 d6
5. e4 Nf6 6. Nxe7 {A21: English Opening: 1...e5 2 Nc3.} Qxe7 7. d3 Bg4 8. Be2 {
The position is equal.} Nc6 9. O-O O-O 10. Be3 {[#]} a5 $146 ({Predecessor:} 
10... Bxf3 11. Bxf3 Nd7 12. Bg4 Nc5 13. g3 a6 14. Qd2 b5 15. cxb5 axb5 16. Rfc1
Nd4 17. Bxd4 exd4 {1/2-1/2 (53) Caruana,F (2828)-Harikrishna,P (2726) Saint
Louis 2019}) 11. Nh4 Bxe2 12. Qxe2 g6 13. g3 Nh5 {[#]} 14. Nf5 $1 Qe6 15. Bh6
Rfe8 16. Rae1 Kh8 17. Nh4 b5 18. b3 (18. cxb5 $14 Nd4 {[%mdl 64] Double Attack}
19. Qd2) 18... a4 19. Be3 axb3 20. axb3 bxc4 21. bxc4 Nf6 22. f4 exf4 23. Bxf4
Nd7 24. Bc1 f6 25. Bb2 Kg8 26. Ng2 {Black should prevent Nf4.} Ra2 27. Nf4 Qf7
28. Ra1 Rea8 (28... Rxa1 $11 29. Rxa1 f5) 29. Nd5 $16 Nce5 30. Nxc7 (30. d4 $18
Nc6 31. Nxc7 Nxd4 32. Qd1 Rxa1 33. Bxa1) 30... R8a5 (30... R8a3 $16 {was worth
a try.}) 31. Nd5 $18 Qe6 32. Rxa2 Rxa2 33. Ra1 Rxa1+ 34. Bxa1 h5 35. Bc3 Kh7
36. Nf4 Qe8 37. Bb4 Qb8 38. Nd5 Kg7 $1 39. Kg2 Nc6 ({Black should play} 39...
Nb6 $14 40. Bc3 Nxd5 41. exd5 (41. cxd5 Qb5 $16) 41... Qb1) 40. Bc3 (40. Ba3 $1
$16) 40... Nce5 ({Black should try} 40... Qb3 $14) 41. d4 $36 {[%mdl 2048]
White is in control.} Nf7 42. Nf4 Qb3 43. Be1 Ng5 44. h4 Nf7 45. g4 hxg4 46.
Qxg4 {[%mdl 64] Double Attack} Nf8 47. Nh5+ $1 Kh8 {[#]} 48. Qc8 $1 Qc2+ 49.
Kg1 Kg8 50. Nxf6+ Kg7 51. Ne8+ Kg8 52. Bf2 (52. Qg4 $16) 52... Kh7 $2 {[#]} (
52... Qb1+ $1 $11 53. Kh2 Qc2 54. Nf6+ Kg7) 53. Qc7 $2 (53. Nxd6 $1 $18 {
[%mdl 512]} Qb1+ 54. Kh2) 53... Qc1+ $2 {[%mdl 8192]} (53... Qd1+ $1 $11 {
and Black has nothing to worry.} 54. Kh2 (54. Kg2 Qg4+ 55. Kf1 Qd1+ 56. Be1
Qf3+ 57. Kg1 Qg4+ 58. Kf2 Qf4+ 59. Kg1 Qg4+ 60. Kf2 Qf4+ 61. Kg1 Qg4+ $11)
54... Qf3) 54. Kg2 Qf4 {[#]} (54... Kg8 55. Nxd6 Nxd6) 55. Nxd6 $1 $18 {
[%mdl 576] Pin} Qg4+ (55... Kg8 56. Qxf7+) 56. Kf1 Qd1+ {[#]} 57. Be1 $1 Qf3+ {
[#]} 58. Kg1 $1 Qg4+ 59. Kf2 Qxh4+ 60. Ke2 Qh2+ 61. Bf2 Qxd6 62. Qxf7+ Kh8 63.
d5 {Weighted Error Value: White=0.25/Black=0.34} 1-0

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "7.2"]
[White "Andreikin, Dmitry"]
[Black "Vitiugov, Nikita"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2728"]
[BlackElo "2727"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,71,45,14,72,25,29,26,28,33,56,0,0,0,0,0,0,0,0,-13,0,0,0,-27,-24,-68,
-64,-66,-61,-64,-78,-79,-70,-101,-77,-95,-33,-29,-45,-50,-47,-58,29,13,44,-202,
-8,-8,-8,-8,-8,-8,89,97,197,150,917,913,29975,29976,29976,4537]} 1. d4 Nf6 2.
c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 Nc6 7. Nf3 Re8 {E90: King's Indian:
Classical: Early deviations and 6 h3.} (7... e5 $11) 8. d5 Nb4 9. a3 Na6 {
White has an edge.} 10. Bd3 e6 {[#]} 11. dxe6 $1 $146 {[%mdl 8] A top novelty.}
(11. O-O $14) ({Predecessor:} 11. O-O Nc5 12. Bc2 a5 13. e5 Nh5 14. g4 exd5 15.
cxd5 b6 16. Re1 dxe5 17. gxh5 Bxh3 {1-0 (33) Studer,N (2580)-Lagarde,M (2655)
Europe Echecs INT 2020}) 11... Bxe6 $11 12. b4 Ng4 13. Bd2 Ne5 14. Nxe5 dxe5
15. Be3 Nb8 16. O-O Nc6 17. Nd5 Nd4 18. f4 exf4 19. Bxf4 Rc8 20. Ra2 c6 21. Ne3
Qh4 22. Raf2 Rcd8 23. c5 h5 (23... Nb5 $17 24. Qe2 Nxa3) 24. Qb1 b5 25. e5 {
White wants to play Bxg6!} Rd7 26. Be4 Bc4 (26... a5 $15) 27. Nxc4 bxc4 28. Qc1
$2 (28. b5 $14 {keeps the upper hand.}) 28... g5 $2 ({Not} 28... Bxe5 29. Qxc4
Re6 30. Bxe5 $11) (28... Rxe5 $19 29. Re1 (29. Bxe5 Bxe5 30. Qe3 Re7 $17) 29...
Re6) 29. Qxc4 gxf4 30. Rxf4 {[%mdl 64] [#] Double Attack} Qd8 31. Rxf7 {
[%csl Gf1][%cal Rf7f8]} Ne6 (31... Kh8 $11 {remains equal.}) 32. Bg6 $16 {
aiming for R7f5.} Ree7 (32... Rde7 $16 {was worth a try.}) 33. R7f5 ({Much
less strong is} 33. Bxh5 $6 Kh8 $16) 33... Rd4 $2 (33... Rd5 $16 34. Bxh5 Nd4)
34. Bf7+ $18 {[%mdl 64] [#] Double Attack} Kh8 35. Rxh5+ Bh6 36. Rxh6+ {
Weighted Error Value: White=0.26/Black=0.63} (36. Qc2 $142 Rd3 37. Rxh6+ Kg7
38. Rg6+ Kh7 39. Rxe6 Qd4+ 40. Kh1 Rxf7 {[%mdl 64] Remove Defender} 41. Rxf7+
Kg8 42. Rf1) 1-0

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "7.3"]
[White "Tomashevsky, Evgeny"]
[Black "Giri, Anish"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2708"]
[BlackElo "2777"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,54,0,0,4,0,0,-24,-31,-30,-23,-37,-23,-25,-25,-70,-49,-68,-55,-75,-62,
-167,-179,-292,-176,-276,-128,-143,-124,-113,-121,-127,-129,-172,-177,-266,
-263,-304,-281,-437,-212,-341,-329,-390,-379]} 1. Nf3 d5 2. b3 Bf5 3. Bb2 e6 4.
e3 Nf6 5. Be2 h6 6. c4 c6 7. O-O Nbd7 {A12: English Opening: 1...c6 with b3 by
White.} 8. Nc3 Bd6 9. cxd5 exd5 {Black has an edge.} 10. a3 a5 {[#]} 11. d3
$146 ({Predecessor:} 11. Qc1 O-O 12. h3 Re8 13. Re1 Bb8 14. Na4 Qc7 15. d3 Qd6
16. Bf1 Bg6 17. g3 {1/2-1/2 (60) Classen,H (1997)-Bock,J (2195) Goch 1996})
11... Bh7 12. e4 dxe4 13. dxe4 Qe7 14. Re1 {Threatens to win with Nb5!} O-O $1
15. Bf1 Rad8 16. Nd2 ({White should play} 16. Nd5 $15 cxd5 17. e5 Nxe5 18. Bxe5
) 16... Ne5 $19 {And now ...Nfg4 would win.} 17. h3 (17. Be2 $142) 17... Bc5 {
...Nfg4! is the strong threat.} 18. Qc2 {[#]} (18. Na4 $142 Ba7 19. Qc2) 18...
Nh5 (18... Bxf2+ $1 $19 {[%mdl 512]} 19. Kxf2 Qc5+ 20. Ke2 Nh5 {[%mdl 64] Decoy
}) 19. Na4 Ba7 $40 {[%mdl 128] Strongly threatening ...Qg5. Black attacks with
force.} 20. Bxe5 Qxe5 21. Nf3 Qe7 22. Qc3 Nf6 ({Much less strong is} 22... Bxe4
23. Qxa5 b5 24. Rxe4 $17) 23. Qxa5 (23. Bd3 $142) 23... b5 24. Nb2 Nxe4 ({Not} 
24... Bxe4 25. Nd3 $17) 25. Re2 (25. Nd3 {was called for.}) 25... Bc5 (25...
Bxf2+ $142 26. Rxf2 Nxf2) 26. Qe1 (26. Rc1 {was necessary.}) 26... Qf6 {
Hoping for ...Nxf2.} ({But not} 26... Bxa3 27. Qc1 $19) 27. b4 Bb6 {Weighted
Error Value: White=0.45/Black=0.32} 0-1

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "7.4"]
[White "Paravyan, David"]
[Black "Alekseenko, Kirill"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2660"]
[BlackElo "2693"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,71,15,1,20,24,20,26,17,18,11,25,22,0,79,79,78,62,196,199,362,381,343,
282,292,253,254,251,248,248,248,199,304,293,274,289,254,213,331,320,300,305,
562,539,528,464,450,443,548,534,803,779,1174,944,863,728]} 1. e4 e5 2. Nf3 Nc6
3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O Re8 9. Bg5 {
The main line 9.Bg5 scores better than 9.Qf3.} h6 10. Bh4 d5 {C47: Scotch Four
Knights and Four Knights with 4 g3.} 11. exd5 g5 {aiming for ...Bxc3.} 12. Bg3
cxd5 {White has an edge.} 13. Nb5 {[%cal Bc3b5,Bb5d4,Bd4c6,Bc6e5][%mdl 32]} Ba5
{[#]} 14. c4 $146 ({Predecessor:} 14. b4 Bb6 15. c4 dxc4 16. Bxc4 Be6 17. Rc1
Bxc4 18. Rxc4 Qd5 19. Qxd5 Nxd5 20. h4 {1/2-1/2 (31) Lin,C (2448)-Zhou,W (2627)
China 2015}) 14... a6 15. Nd4 {Black must now prevent Nc6.} Bb6 (15... dxc4 $11
16. Bxc4 Bb6) 16. Nc6 $1 $16 {[%cal Rc6d8]} Qd7 17. Ne5 {[%cal Re5d7]} Qe6 {[#]
} (17... Qe7 $14) 18. Rc1 $1 $18 Bb7 $2 (18... Qe7 {was worth a try.} 19. cxd5
Bb7) 19. c5 Ba7 20. Re1 Rad8 21. Qb3 Ba8 22. f3 Nh5 23. Bf2 Nf4 24. Ng4 Qc6 {
[#]} 25. Rxe8+ $1 Rxe8 26. Bd4 Re6 27. Qc3 Bb7 (27... h5 $142) 28. Bf1 Bc8 29.
b4 {[%cal Bb2b4,Bb4b5,Bb5b6][%mdl 32]} a5 $2 (29... f5 {was called for.}) 30.
b5 {White is clearly winning.} Qe8 31. Nf6+ Rxf6 32. Bxf6 Bf5 33. Bd4 c6 34.
Re1 Qd7 35. b6 Bb8 36. Be5 {White took control after the opening.  Weighted
Error Value: White=0.12/Black=0.42} 1-0

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "7.5"]
[White "Korobov, Anton"]
[Black "Gelfand, Boris"]
[Result "1/2-1/2"]
[ECO "E21"]
[WhiteElo "2685"]
[BlackElo "2680"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,29,17,16,0,-2,-6,-9,-16,1,-15,-13,-7,0,0,5,5,7,19,12,0,0,0]} 1. d4 Nf6
2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 {The position is equal.} 6. dxc5 {
E21: Nimzo-Indian: 4 Nf3.} Na6 {[%cal Bb8a6,Ba6c5,Bc5e4][%mdl 32]} 7. Bd2 Nxc5
{[#]} 8. e3 $146 ({Predecessor:} 8. Ne5 Bxc3 9. Bxc3 Nce4 10. Qd4 Nxc3 11. Qxc3
Ne4 12. Qa3 d5 13. c5 Qf6 14. Nd3 {0-1 (22) Harmon,F (1766)-Viswanath,G (2082)
San Francisco 2016}) 8... d5 9. a3 Bxc3 10. Bxc3 Nce4 11. Bxf6 Nxf6 12. cxd5
Qxd5 13. Qxd5 Nxd5 14. Bc4 Nb6 15. Bd3 {An uneventful encounter.  Weighted
Error Value: White=0.07/Black=0.03} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "8.1"]
[White "Matlakov, Maxim"]
[Black "Gelfand, Boris"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2683"]
[BlackElo "2680"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,81,8,0,0,0,0,0,0,0,12,10,6,9,13,0,8,0,8,0,1,0,22,0,71,63,77,52,56,43,
89,79,128,125,136,129,127,92,92,92,91,91,92,92,120,109,109,106,109,82,135,133,
125,119,141,139,134,95,101,81,107,58,58,53,74,69,87,20,24,16]} 1. d4 Nf6 2. c4
e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Be2 Bd6 7. O-O O-O 8. b3 b6 {D45:
Semi-Slav: 5 e3.} 9. Bb2 Bb7 10. Bd3 Rc8 {The position is equal.} 11. Rc1 c5
12. cxd5 Nxd5 13. Nxd5 Bxd5 14. Qe2 cxd4 {[#]} 15. Nxd4 $146 ({Predecessor:} 
15. Rxc8 Qxc8 16. e4 Bb7 17. Nxd4 Qb8 18. h3 Nc5 19. Bc2 Ba6 20. Qg4 Bh2+ 21.
Kh1 {1/2-1/2 (30) Zubarev,A (2478)-Moiseenko,A (2419) Alushta 1999}) 15... Qh4
{[%csl Gd6][%cal Rh4h2]} 16. h3 Nc5 17. Bc4 {Black must now prevent Bxd5.} Bb7
18. Rfd1 Bb8 (18... Rfd8 $11 {keeps the balance.}) 19. b4 $16 Ne4 {[#]} 20. Bb5
$1 Rxc1 21. Rxc1 Qe7 22. Bc6 Nf6 23. Bxb7 Qxb7 24. Nc6 {Threatens to win with
Bxf6.} Nd5 25. Nxb8 Rxb8 26. Qg4 {[%csl Gb2][%cal Rg4g7]} f5 27. Qd4 Re8 28. b5
(28. a4 {seems wilder.} h6 29. Qe5 Qf7 30. Rc6 Kh7 31. b5) 28... e5 29. Qc4 {
Rd1 is the strong threat.} Qf7 30. a4 h6 31. Qb3 e4 (31... Kh7 $142) 32. Rd1
Nf6 33. Qc2 Kh7 34. Rd6 Re6 {[#]} 35. Qc4 $1 {[%mdl 512]} Re7 36. Qxf7 Rxf7 37.
Bd4 Rd7 38. Rc6 Nd5 39. Kh2 Nb4 {[#]} 40. Rc8 (40. Re6 $1 $16) 40... Nd3 $11
41. Rc2 {Weighted Error Value: White=0.11/Black=0.12} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "8.2"]
[White "Alekseenko, Kirill"]
[Black "Korobov, Anton"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2693"]
[BlackElo "2685"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,109,0,0,1,31,28,46,32,43,40,53,49,60,76,66,73,74,75,67,68,71,73,62,
70,80,16,61,42,56,58,110,118,167,160,185,123,141,122,143,102,123,120,191,190,
197,183,153,92,108,95,97,22,18,25,25,11,22,0,0,0,0,0,20,36,23,27,37,26,51,41,
96,0,61,77,331,323,355,332,386,192,767,198,218,230,29984,29985,29985,29986,
29986,29987,29987,29988,29993,29994]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6
5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 Nbd7 10. a4 {B92: Sicilian
Najdorf: 6 Be2.} b6 11. f3 Bb7 12. Be3 {White is slightly better.} Qc7 13. Rf2
Rfd8 14. Bf1 Nc5 15. Rd2 Ncd7 16. Be2 h6 17. Qf1 {[#]} Nh5 $146 ({Predecessor:
} 17... Rdc8 18. Rad1 Bf8 19. Qg1 Rcb8 20. Nc1 Bc6 21. N1a2 b5 22. axb5 Bxb5
23. Bxb5 axb5 {0-1 (46) Jasny,S (2351)-Rosko,L (2305) Czech Republic 2011}) 18.
g3 Nhf6 19. Rad1 Re8 20. Nc1 d5 21. exd5 (21. Nxd5 $16 Nxd5 22. exd5) 21... Bc5
22. Qf2 e4 {White must now prevent ...exf3.} 23. f4 Bxe3 (23... Rac8 $14) 24.
Qxe3 $16 Qd6 25. Rd4 Rac8 26. N1a2 ({Inferior is} 26. Nxe4 Nxe4 27. Rxe4 Bxd5
$15) (26. g4 $18) 26... Re7 27. h3 Nc5 28. Kh2 h5 29. Nb4 Rce8 (29... Rd7 $16 {
keeps fighting.}) 30. Nc6 $18 Bxc6 31. dxc6 Qxc6 32. Rd6 (32. g4 $142) 32...
Qc7 $16 {[#]} 33. Rxf6 $1 {[%mdl 512]} gxf6 {[#]} 34. Nd5 (34. b4 $1 $16 {
Hoping for Nd5.} Nd7 35. Bxa6) 34... Qc6 $11 35. Nxe7+ Rxe7 36. b3 Ne6 37. Rd2
Ng7 38. g4 hxg4 39. hxg4 b5 40. axb5 axb5 41. f5 Ne8 42. Kg1 Nc7 43. Bf1 {
Strongly threatening Rh2.} Nd5 (43... Rd7 $1 $14) 44. Qh3 ({White should play} 
44. Qh6 $16 Qc5+ 45. Kh1) 44... Qc5+ ({Better is} 44... Ra7 $11 45. Qg3 Kg7)
45. Kh1 $14 {Threatening mate with Rh2.} Re5 $2 {[%mdl 8192] [#] This move
loses the game for Black.} (45... Rd7 $16 46. Qg3 (46. Rh2 Kf8 $11) 46... Qb6)
46. c4 $1 $18 (46. Rh2 Kf8 $16) 46... bxc4 47. bxc4 Nc7 48. Qh6 $40 {[%mdl 128]
White attacks with force.} ({Less strong is} 48. Rh2 Kf8 $14) (48. g5 $142 e3
49. Rh2) 48... Qa3 $2 (48... Qf8 49. Qxf6 Qg7 50. Qxg7+ Kxg7) 49. Qxf6 $2 (49.
Rh2 {[%csl Gh2][%cal Rh6h8]} Qf3+ 50. Kg1 Qxg4+ 51. Rg2 Qxg2+ 52. Bxg2) 49...
Qf3+ 50. Bg2 Qf4 (50... Qe3 $18 51. Rd7 Qc1+ 52. Kh2 Qf4+ 53. Kh3 Qe3+ 54. Kh4
Qf2+ 55. Kh5 Rxf5+ 56. gxf5 Qe2+ 57. Kh6 Qe3+ 58. Qg5+ Qxg5+ 59. Kxg5 e3 60.
Rxc7 e2) 51. Rd7 $1 {[%csl LRc7,LRf7][%mdl 64] Double Attack. White mates.}
Qc1+ 52. Kh2 Qf4+ 53. Kh3 Qe3+ 54. Kh4 Qe1+ 55. Kh5 {Weighted Error Value:
White=0.27/Black=0.40} 1-0

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "8.3"]
[White "Giri, Anish"]
[Black "Paravyan, David"]
[Result "1-0"]
[ECO "A93"]
[WhiteElo "2777"]
[BlackElo "2660"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,85,37,13,10,10,7,9,16,0,19,19,52,51,42,0,12,11,45,44,28,9,17,0,0,0,0,
0,0,0,0,0,52,14,33,25,72,75,72,72,120,114,283,280,285,199,199,199,199,212,199,
200,343,239,573,573,566,566,493,90,1952,1818,12837,12838,29986,12839,12839,
12839,12840,12840,29990,29991,29994,29994]} 1. Nf3 f5 2. d4 Nf6 3. g3 e6 4. c4
Be7 5. Bg2 O-O 6. O-O d5 7. b3 Ne4 8. Ba3 b6 {A93: Classical Dutch: Classical
Stonewall: 7 b3.} 9. Bxe7 Qxe7 10. Qc2 Bb7 {[#] The position is equal.} 11. Nc3
$146 ({Predecessor:} 11. Nbd2 c5 12. dxc5 bxc5 13. Ne5 Qd6 14. Nxe4 fxe4 15. f4
exf3 16. Nxf3 {1-0 (39) Kovacevic,B (2447)-Gleizerov,E (2565) Zagreb 2010})
11... Nd7 12. e3 Rac8 13. cxd5 exd5 14. Rac1 c5 {Hoping for ...cxd4.} 15. Qb2
c4 (15... Qe6 {with more complications.} 16. Ne2 g5 17. Ne5 Ba6 18. Nxd7 Qxd7
19. Rfe1 Bxe2 20. Qxe2 cxd4 21. exd4 g4) 16. bxc4 dxc4 17. Nxe4 Bxe4 ({Wrong is
} 17... Qxe4 $2 18. Nh4 $18) 18. Nd2 Bxg2 19. Kxg2 Qe6 20. Qb5 {[%cal Rc1c4]}
a6 21. Qxa6 {[%cal Rc1c4]} Qd5+ 22. Kg1 {[%cal Rd2c4]} b5 (22... c3 $11) 23.
Rb1 Rb8 24. Qa5 f4 25. exf4 {Black is on the road to losing.} ({Don't play} 25.
gxf4 Rb6 $11) 25... Qxd4 26. Rfd1 {And now Nxc4! would win.} Ne5 27. fxe5 {
Strongly threatening Nf3.} c3 $2 {[#]} (27... Qxf2+ $16 28. Kh1 Qd4) 28. Nf3 $1
$18 {[%cal Rf3d4]} Qc4 {...c2 is the strong threat.} (28... Qe4 29. Qxc3) 29.
Rd4 Qe2 30. Qxc3 Rxf3 31. Qe1 Qxa2 {intending ...Rxf2.} 32. Rd2 Qc4 (32... Qe6
{was called for.} 33. Rd6 Qe7) 33. Rc1 Qg4 (33... Qe6 {is more resistant.} 34.
Rb1 Rf5) 34. e6 Re8 35. e7 Kf7 36. Rc7 (36. Qd1 $18 {and the rest is easy.})
36... Qg5 $2 {[%mdl 8192]} (36... Rf6 $16) 37. Qd1 Ra3 38. Rd8 {Threatening
mate with Rxe8.} Qe5 39. Rxe8 (39. Qd7 $142 Ra1+ 40. Kg2 Qe4+ 41. Kh3 (41. f3
Qe2+ 42. Kh3 Qf1+ 43. Kh4 Ra4+ 44. f4 Rxf4+ 45. gxf4 Qxf4+ 46. Kh3 Qf3+ 47. Kh4
Qf4+ {[%mdl 64] Double Attack} 48. Kh3 Qf3+ 49. Kh4 Qf4+ $11 {[%mdl 64] Double
Attack}) 41... Qe6+ 42. Qxe6+ {[%mdl 64] Overworked Piece} Kxe6 43. Rxe8 Re1
44. Rd8) 39... Qxc7 40. Qh5+ {[%mdl 64] Double Attack} g6 41. Rf8+ Kg7 {[#]}
42. Rg8+ $1 {[%mdl 512]} Kf6 (42... Kxg8 43. Qd5+) 43. e8=N+ {[%mdl 64] Double
Attack.  Weighted Error Value: White=0.28/Black=0.73} 1-0

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "8.4"]
[White "Vitiugov, Nikita"]
[Black "Tomashevsky, Evgeny"]
[Result "1/2-1/2"]
[ECO "E35"]
[WhiteElo "2727"]
[BlackElo "2708"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,53,21,20,17,24,31,25,10,29,0,31,28,42,30,50,43,59,44,63,60,70,71,96,
68,95,93,117,66,83,104,114,119,107,0,49,-12,46,0,60,-10,24,0]} 1. d4 Nf6 2. c4
e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bh4 {7.Bh4 scores better
than 7.Bxf6.} c5 8. dxc5 {E35: Nimzo-Indian: Classical: 4...d5 5 cxd5 exd5.}
O-O 9. e3 Be6 10. Nf3 Nbd7 11. a3 Bxc5 (11... Bxc3+ $5 12. Qxc3 g5 $11) 12. Bd3
Rc8 13. O-O Be7 14. Nd4 Nc5 {[#]} 15. Qe2 $146 ({Predecessor:} 15. Nf5 Nxd3 16.
Qxd3 Bxf5 17. Qxf5 Qd6 18. Rfd1 Qe6 19. Qf3 Rfd8 20. Rd4 g5 21. Bg3 Bc5 22. Rd3
Ne4 23. Rad1 {1/2-1/2 (23) Cernousek,L (2458)-Hracek,Z (2555) Czech Republic
2019}) 15... Bg4 16. f3 Be6 17. Bc2 Qb6 18. Kh1 Rfd8 19. g4 Re8 20. g5 (20. Qg2
$16) 20... hxg5 21. Bxg5 Bh3 22. Rg1 Ne6 23. Bh6 (23. Bxf6 $16 Bxf6 24. Qd3)
23... Bf8 24. Qd3 {[#]} (24. Qf2 $14) 24... Nc5 ({Black should try} 24... Ne4
$1 $11 25. Nxe4 (25. fxe4 Nc5 $11 {[%mdl 64] Double Attack}) 25... dxe4 26.
Qxe4 {[#]} Ng5 $1) 25. Qe2 Ne6 $1 {[%cal Re6d4]} 26. Qd3 (26. Qf2 $14) 26...
Nc5 27. Qe2 {Weighted Error Value: White=0.26/Black=0.15} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "8.5"]
[White "Abdusattorov, Nodirbek"]
[Black "Andreikin, Dmitry"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2648"]
[BlackElo "2728"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,69,0,0,-5,-2,-26,39,25,51,0,0,0,-4,0,0,-4,13,4,7,7,49,0,0,0,0,0,0,0,
0,-18,-17,-41,-33,-45,-35,-47,-21,-7,0,-26,0,-11,0,0,0,0,0,-52,0,0,0,-52,0,0,0,
-52,0,0]} 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Bf5 7. g4
Be6 8. Bd3 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall
Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} Nd7 9. h4
Qb6 (9... Bxh4 $11 10. Bf5 Bxf5 11. gxf5 Bg5) 10. Rb1 $14 {[#] White is
slightly better.} h6 $146 ({Predecessor:} 10... Ngf6 11. g5 Ne4 12. Qc2 Nd6 13.
h5 O-O-O 14. Bxd6 Bxd6 15. Bxh7 Kb8 16. Bf5 Rde8 {1-0 (42) Nikolov,S (2419)
-Logothetis,S (2233) Kavala 2004}) 11. Bf5 (11. Bg3 $14) 11... Bxf5 $11 12.
gxf5 Ngf6 13. Nf3 Ne4 14. Kf1 Qa6+ 15. Qe2 Qxe2+ 16. Kxe2 Ndf6 17. h5 Nd6 18.
Bxd6 Bxd6 19. b4 a6 20. Ne5 O-O 21. f3 Rfe8 22. Nd3 Re7 23. Kf2 Rae8 24. Rbe1
Kh7 (24... a5 $5 25. bxa5 Bc7 $17) 25. Re2 Bc7 26. Nc5 Bd6 27. Nd3 Bc7 28. a4
a5 29. b5 Bd6 30. b6 (30. bxc6 $11 bxc6 31. Nb1) 30... Nd7 31. Rb1 Nf6 32. Rh1
Nd7 33. Rb1 Nf6 34. Rh1 Nd7 (34... Bb4 $15 35. Nxb4 axb4) 35. Rb1 {Weighted
Error Value: White=0.12/Black=0.15} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "9.1"]
[White "Andreikin, Dmitry"]
[Black "Matlakov, Maxim"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2728"]
[BlackElo "2683"]
[Annotator "ChessBase"]
[PlyCount "19"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:10]} 2. c4 {[%emt 0:00:01]} e6 {[%emt 0:
00:01]} 3. Nf3 {[%emt 0:00:03]} d5 {[%emt 0:00:02]} 4. Nc3 {[%emt 0:00:02]} Bb4
{[%emt 0:00:04]} 5. Bg5 {[%emt 0:00:04]} h6 {[%emt 0:00:06]} 6. Bxf6 {[%emt 0:
00:04]} Qxf6 {[%emt 0:00:01]} 7. e3 {[%emt 0:00:19]} O-O {[%emt 0:00:08]} 8.
Rc1 {[%emt 0:00:20]} Nc6 {[%emt 0:00:03]} 9. a3 {[%emt 0:02:06]} Bxc3+ {
[%emt 0:00:16]} 10. Rxc3 {[%emt 0:00:01]} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "9.2"]
[White "Tomashevsky, Evgeny"]
[Black "Abdusattorov, Nodirbek"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2708"]
[BlackElo "2648"]
[Annotator "RC"]
[PlyCount "96"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. Nf3 {[%emt 0:00:46]} c5 {[%emt 0:00:04]} 2. c4 {[%emt 0:00:02]} Nc6 {
[%emt 0:00:03]} 3. Nc3 {[%emt 0:00:07]} g6 {[%emt 0:00:05]} 4. e3 {[%emt 0:00:
19]} Nf6 {[%emt 0:00:07]} 5. d4 {[%emt 0:00:02]} cxd4 {[%emt 0:00:02]} 6. exd4
{[%emt 0:00:02]} d5 {[%emt 0:00:02]} 7. cxd5 {[%emt 0:00:19]} Nxd5 {[%emt 0:00:
02]} 8. Qb3 {[%emt 0:00:05]} Nxc3 {[%emt 0:00:03]} 9. Bc4 {[%emt 0:00:02]} e6 {
[%emt 0:00:12]} 10. bxc3 {[%emt 0:00:11]} Bg7 {[%emt 0:00:05]} 11. Ba3 {
[%emt 0:00:19]} Bf8 {[%emt 0:00:01]} 12. Bc1 {[%emt 0:00:03]} Bg7 {[%emt 0:00:
01]} 13. Ba3 {[%emt 0:02:16]} Bf8 {[%emt 0:00:02]} 14. O-O {[%emt 0:01:45]}
Bxa3 {[%emt 0:01:36]} 15. Qxa3 {[%emt 0:00:02]} Qe7 {[%emt 0:00:02]} 16. Qc1 {
[%emt 0:00:09]} O-O {[%emt 0:00:05]} 17. Qh6 {[%emt 0:00:29]} Qf6 {[%emt 0:00:
49]} 18. Ng5 {[%emt 0:00:25]} Qg7 {[%emt 0:00:01]} 19. Qh4 {[%emt 0:00:02]} Na5
{[%emt 0:06:00]} 20. Bd3 {[%emt 0:01:12]} b6 {[%emt 0:00:04]} 21. Ne4 {[%emt 0:
02:18]} f6 {[%emt 0:03:28]} 22. Rfe1 {[%emt 0:00:11]} Bb7 {[%emt 0:00:15]} 23.
Nd6 {[%emt 0:01:56]} Qd7 {[%emt 0:00:40]} 24. Nxb7 {[%emt 0:00:02]} Nxb7 {
[%emt 0:00:01]} 25. Re3 {[%emt 0:00:01]} Nd6 {[%emt 0:00:19]} 26. Rae1 {
[%emt 0:00:14]} Rae8 {[%emt 0:00:02]} 27. Qg4 {[%emt 0:00:35]} f5 {[%emt 0:01:
01]} 28. Qf4 {[%emt 0:00:02]} Rf7 {[%emt 0:00:29]} 29. h4 {[%emt 0:00:07]} Rfe7
{[%emt 0:00:14]} 30. h5 {[%emt 0:01:09]} Nf7 {[%emt 0:00:02]} 31. Bc4 {[%emt 0:
00:23]} Kg7 {[%emt 0:00:23]} 32. Bb3 {[%emt 0:01:33]} Qd6 {[%emt 0:00:27]} 33.
h6+ {[%emt 0:00:26]} Kf8 {[%emt 0:00:37]} 34. Qh4 {[%emt 0:00:37]} e5 {[%emt 0:
00:41]} 35. dxe5 {[%emt 0:00:01]} Rxe5 {[%emt 0:00:40]} 36. Qc4 {[%emt 0:01:57]
} Nxh6 {[%emt 0:00:05]} 37. Rxe5 {[%emt 0:00:02]} Rxe5 {[%emt 0:00:02]} 38.
Qc8+ {[%emt 0:00:01]} Kg7 {[%emt 0:00:12]} 39. Rd1 {[%emt 0:00:15]} Ng4 {
[%emt 0:00:08]} 40. g3 {[%emt 0:00:53]} Qf6 {[%emt 0:01:09]} 41. Rd7+ {[%emt 0:
00:27]} Re7 {[%emt 0:00:09]} 42. Qc7 {[%emt 0:00:02]} Rxd7 {[%emt 0:00:21]} 43.
Qxd7+ {[%emt 0:00:01]} Kh6 {[%emt 0:00:14]} 44. Qxa7 {[%emt 0:00:01]} Qd8 {
[%emt 0:00:18]} 45. Qb7 {[%emt 0:00:15]} Qd6 {[%emt 0:00:11]} 46. Qh1+ {
[%emt 0:00:07]} Kg7 {[%emt 0:00:01]} 47. Qb7+ {[%emt 0:00:03]} Kh6 {[%emt 0:00:
01]} 48. Qh1+ {[%emt 0:00:05]} Kg7 {[%emt 0:00:00]} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "9.3"]
[White "Paravyan, David"]
[Black "Vitiugov, Nikita"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2660"]
[BlackElo "2727"]
[Annotator "RC"]
[PlyCount "89"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:01]} 2. Nf3 {[%emt 0:00:02]} e6 {[%emt 0:
00:02]} 3. d4 {[%emt 0:00:01]} cxd4 {[%emt 0:00:01]} 4. Nxd4 {[%emt 0:00:02]}
a6 {[%emt 0:00:01]} 5. a3 {[%emt 0:00:01]} Nf6 {[%emt 0:00:10]} 6. Nc3 {
[%emt 0:00:02]} Qc7 {[%emt 0:00:01]} 7. f4 {[%emt 0:00:03]} d6 {[%emt 0:00:01]}
8. Be3 {[%emt 0:00:28]} h5 {[%emt 0:00:33]} 9. Be2 {[%emt 0:00:05]} b5 {
[%emt 0:00:28]} 10. O-O {[%emt 0:04:26]} Bb7 {[%emt 0:00:20]} 11. Bf3 {[%emt 0:
01:55]} Nbd7 {[%emt 0:00:04]} 12. Qe2 {[%emt 0:00:31]} Be7 {[%emt 0:04:13]} 13.
Rae1 {[%emt 0:00:21]} Rc8 {[%emt 0:01:01]} 14. Kh1 {[%emt 0:00:18]} h4 {
[%emt 0:01:15]} 15. h3 {[%emt 0:00:35]} g6 {[%emt 0:01:33]} 16. Qf2 {[%emt 0:
01:20]} Nh5 {[%emt 0:01:33]} 17. Nde2 {[%emt 0:00:41]} Qc4 {[%emt 0:01:03]} 18.
Rd1 {[%emt 0:00:14]} Qc7 {[%emt 0:00:51]} 19. Rd2 {[%emt 0:00:49]} Rh7 {
[%emt 0:00:21]} 20. Rfd1 {[%emt 0:00:16]} Bc6 {[%emt 0:01:03]} 21. Kg1 {
[%emt 0:00:09]} Bb7 {[%emt 0:00:15]} 22. Rd4 {[%emt 0:00:53]} Bc6 {[%emt 0:00:
17]} 23. R4d2 {[%emt 0:01:32]} Bb7 {[%emt 0:00:05]} 24. Rd4 {[%emt 0:01:11]}
Bc6 {[%emt 0:00:01]} 25. a4 {[%emt 0:00:14]} bxa4 {[%emt 0:00:20]} 26. Nxa4 {
[%emt 0:00:21]} Qb7 {[%emt 0:01:08]} 27. Nac3 {[%emt 0:02:23]} Qxb2 {[%emt 0:
00:39]} 28. Rb1 {[%emt 0:00:01]} Qa3 {[%emt 0:00:02]} 29. Rc4 {[%emt 0:00:03]}
Qa5 {[%emt 0:00:39]} 30. Nd4 {[%emt 0:00:11]} Bb7 {[%emt 0:00:01]} 31. Rxc8+ {
[%emt 0:00:57]} Bxc8 {[%emt 0:00:01]} 32. Qd2 {[%emt 0:00:08]} Qc7 {[%emt 0:00:
13]} 33. Na4 {[%emt 0:00:13]} Ng3 {[%emt 0:00:14]} 34. c4 {[%emt 0:00:09]} e5 {
[%emt 0:01:04]} 35. Ne2 {[%emt 0:00:07]} Nxe2+ {[%emt 0:00:20]} 36. Bxe2 {
[%emt 0:00:14]} exf4 {[%emt 0:00:35]} 37. Bxf4 {[%emt 0:00:01]} Ne5 {[%emt 0:
00:03]} 38. Nc3 {[%emt 0:00:18]} Be6 {[%emt 0:00:40]} 39. Nd5 {[%emt 0:00:01]}
Bxd5 {[%emt 0:00:12]} 40. Qxd5 {[%emt 0:00:02]} Bf6 {[%emt 0:00:03]} 41. Be3 {
[%emt 0:00:18]} Rh8 {[%emt 0:00:15]} 42. c5 {[%emt 0:00:06]} Qc6 {[%emt 0:00:
07]} 43. Rb8+ {[%emt 0:00:12]} Ke7 {[%emt 0:00:20]} 44. cxd6+ {[%emt 0:00:04]}
Kd7 {[%emt 0:00:10]} 45. Bg4+ {[%emt 0:00:02]} 1-0

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "9.4"]
[White "Korobov, Anton"]
[Black "Giri, Anish"]
[Result "1/2-1/2"]
[ECO "D86"]
[WhiteElo "2685"]
[BlackElo "2777"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,64,9,43,4,5,0,2,-25,-20,-42,0,0,0,0,0,0,0,0,0,0,19,12,38,27,33,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5
Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 O-O 10. O-O b6 11. Rc1
{D87: Exchange Grünfeld: Classical Line: Variations without ...cxd4.} Bb7 12.
Qd2 {12.Bb5 is the modern continuation.} Rc8 13. h4 {[#]} e5 $146 {[%cal Re5d4]
} ({Predecessor:} 13... e6 14. h5 cxd4 15. cxd4 Qh4 16. h6 Bf6 17. Bd3 Rcd8 18.
Qc3 Rd7 19. Rfd1 Rfd8 {0-1 (29) Urh,Z (2195)-Storme,I (2393) Uppsala 2020}) 14.
Bd5 exd4 (14... cxd4 {feels hotter.} 15. cxd4 Qxh4 16. dxe5 Bxe5 17. f4 Bb8)
15. cxd4 cxd4 16. Nxd4 Bxd4 17. Bxd4 Nxd4 18. Qxd4 h5 19. Rxc8 Qxc8 20. Rd1 Re8
21. Bb3 {[#] Qf6! is the strong threat.} Bxe4 22. Qf6 Qb7 {The position is
equal.} 23. Re1 {Hoping for f3.} Rf8 $1 24. f3 Bd5 25. Re7 Qc8 26. Bxd5 Qc5+ {
[%mdl 64] [#] Double Attack} 27. Kh2 {[%cal Rd5f7]} Qxd5 28. Rxa7 Re8 29. a4
Qe5+ 30. Qxe5 Rxe5 31. Rb7 Ra5 32. Rxb6 Rxa4 {Weighted Error Value: White=0.06/
Black=0.05} 1/2-1/2

[Event "LN Tolstoy Memorial 2021"]
[Site "Yasnaya Polyana"]
[Date "2021.09.12"]
[Round "9.5"]
[White "Gelfand, Boris"]
[Black "Alekseenko, Kirill"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2680"]
[BlackElo "2693"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2021.09.11"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,28,0,0,7,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6.
Bg2 O-O 7. O-O Nbd7 8. Qc2 c6 9. Bf4 b6 10. Rd1 Bb7 11. Ne5 Nh5 12. Bc1 Nhf6 {
[#]} 13. Bf4 $146 ({Predecessor:} 13. Nc3 Nxe5 14. dxe5 Ng4 15. Bf4 g5 16. Bc1
Nxe5 17. b3 Ng6 18. Bb2 Bf6 19. b4 Rc8 20. Ne4 Bxb2 21. Qxb2 {1/2-1/2 (49)
Grischuk,A (2766)-Anand,V (2764) Paris 2019}) 13... Nh5 {E08: Closed Catalan:
Main Line: 7 Qc2.} 14. Bc1 Nhf6 {An uneventful encounter. Not enough moves}
1/2-1/2

Таблица