[Event "83rd Tata Steel Masters 2021"]
[Site "Wijk aan Zee"]
[Date "2021.01.27"]
[Round "10.1"]
[White "Caruana, Fabiano"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2823"]
[BlackElo "2862"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2021.01.16"]
[EventType "tourn"]
[EventCountry "NED"]
[Tiebreak "Koya+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,0,29,27,24,22,30,16,12,29,23,15,4,10,25,32,27,25,14,0,0,0,73,66,53,
72,72,68,64,70,78,29,43,34,28,37,41,31,44,32,46,46,46,46,49,45,55,28,33,32,27,
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. d4 Nf6 2. c4 e6 3. g3 d5
4. Nf3 Bb4+ 5. Bd2 Bd6 6. Bg2 {E01: Catalan: Early deviations.} c6 7. Nc3 O-O
8. Bg5 {White has an edge.} h6 9. Bxf6 Qxf6 10. Qb3 Nd7 11. O-O {[%cal Rc4d5]}
Qe7 {[#]} 12. c5 $146 ({Predecessor:} 12. Rfd1 Rb8 13. e4 dxc4 14. Qxc4 e5 15.
d5 Nb6 16. Qb3 Bg4 17. h3 Bh5 18. g4 {1/2-1/2 (56) Istratescu,A (2550)
-Bluebaum,M (2646) Playchess.com INT 2020}) 12... Bc7 13. e4 b6 14. exd5 exd5
15. Rfe1 Qf6 {[#]} (15... Qd8 $1 $11 {remains equal.}) 16. Nxd5 $1 $16 cxd5 17.
Qxd5 Rb8 18. c6 Rd8 {...Nf8 is the strong threat.} 19. cxd7 Bxd7 20. Ne5 (20.
Rac1 {seems wilder.} Bd6 21. a3 Be6 22. Qe4 Rbc8 23. Ne5) 20... Be6 21. Qe4
Bxe5 22. dxe5 Qe7 23. Qe3 Rbc8 24. Be4 Qc5 25. Qxc5 Rxc5 26. f4 g6 27. Kf2 a5
28. Ke3 a4 $1 29. Rec1 Rb5 $1 30. Rc2 Rb4 {[#] White must now prevent ...
Rxe4+!The position is equal.} 31. Bd3 h5 32. Rd2 b5 $1 33. a3 Rb3 34. Rc1 b4 $1
{[%cal Rb4a3]} 35. axb4 a3 36. bxa3 {Threatens to win with Rc6.} Bf5 37. Rcd1
Rxa3 38. b5 Bg4 39. Rc1 Bf5 40. Rcd1 Bg4 41. Rc1 Bf5 42. Rcd1 {Weighted Error
Value: White=0.04/Black=0.05} 1/2-1/2

[Event "83rd Tata Steel Masters 2021"]
[Site "Wijk aan Zee"]
[Date "2021.01.27"]
[Round "10.2"]
[White "Vachier-Lagrave, Maxime"]
[Black "Donchenko, Alexander"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2784"]
[BlackElo "2668"]
[Annotator "RC"]
[PlyCount "129"]
[EventDate "2021.01.16"]
[EventType "tourn"]
[EventCountry "NED"]
[Tiebreak "Koya+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/6000+30:20/3000+30:900+30"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:
00:00]} 3. f3 {[%emt 0:00:00]} e6 {[%emt 0:01:01]} 4. Nc3 {[%emt 0:00:11]} Bb4
{[%emt 0:00:50]} 5. Bd2 {[%emt 0:01:31]} Ne7 {[%emt 0:08:46]} 6. Bd3 {[%emt 0:
11:12]} b6 {[%emt 0:09:40]} 7. a3 {[%emt 0:13:45]} Bxc3 {[%emt 0:02:06]} 8.
Bxc3 {[%emt 0:01:13]} O-O {[%emt 0:05:54]} 9. f4 {[%emt 0:11:18]} c5 {[%emt 0:
11:49]} 10. dxc5 {[%emt 0:00:56]} bxc5 {[%emt 0:01:11]} 11. Qh5 {[%emt 0:04:28]
} Ba6 {[%emt 0:15:24]} 12. Nf3 {[%emt 0:05:08]} d4 {[%emt 0:01:44]} 13. Bd2 {
[%emt 0:00:16]} c4 {[%emt 0:01:23]} 14. Ba5 {[%emt 0:02:21]} Qc8 {[%emt 0:03:
24]} 15. Be2 {[%emt 0:00:57]} Nbc6 {[%emt 0:01:09]} 16. Qc5 {[%emt 0:03:15]} d3
{[%emt 0:04:20]} 17. cxd3 {[%emt 0:00:07]} cxd3 {[%emt 0:00:20]} 18. Bd1 {
[%emt 0:00:15]} Nxa5 {[%emt 0:02:20]} 19. Qxa5 {[%emt 0:00:19]} Rb8 {[%emt 0:
02:37]} 20. b3 {[%emt 0:02:55]} Rd8 {[%emt 0:07:15]} 21. O-O {[%emt 0:03:48]}
d2 {[%emt 0:04:06]} 22. Rf2 {[%emt 0:00:18]} Rb5 {[%emt 0:00:59]} 23. Qa4 {
[%emt 0:00:26]} Ng6 {[%emt 0:09:11]} 24. g3 {[%emt 0:07:57]} Rc5 {[%emt 0:08:
59]} 25. Rxd2 {[%emt 0:04:21]} Rxd2 {[%emt 0:00:26]} 26. Nxd2 {[%emt 0:00:04]}
Rc1 {[%emt 0:00:30]} 27. Rxc1 {[%emt 0:00:28]} Qxc1 {[%emt 0:00:02]} 28. Qxa6 {
[%emt 0:00:21]} Qxd1+ {[%emt 0:00:12]} 29. Nf1 {[%emt 0:00:05]} Qd4+ {[%emt 0:
00:07]} 30. Kg2 {[%emt 0:00:06]} Qxe4+ {[%emt 0:00:10]} 31. Kf2 {[%emt 0:01:44]
} Qd4+ {[%emt 0:00:43]} 32. Ke2 {[%emt 0:01:22]} h5 {[%emt 0:01:01]} 33. Qc8+ {
[%emt 0:01:39]} Kh7 {[%emt 0:00:26]} 34. Qc2 {[%emt 0:01:08]} Qd5 {[%emt 0:03:
14]} 35. Kf2 {[%emt 0:01:17]} Kg8 {[%emt 0:02:08]} 36. Qc8+ {[%emt 0:01:17]}
Nf8 {[%emt 0:00:53]} 37. Qc4 {[%emt 0:00:25]} Qd6 {[%emt 0:00:20]} 38. b4 {
[%emt 0:02:15]} Nd7 {[%emt 0:00:37]} 39. Ke2 {[%emt 0:01:09]} Nf6 {[%emt 0:01:
33]} 40. Ne3 {[%emt 0:00:00]} Qd8 {[%emt 0:00:00]} 41. b5 {[%emt 0:04:06]} Qf8
{[%emt 0:11:37]} 42. Qc3 {[%emt 0:09:29]} Qd8 {[%emt 0:08:36]} 43. a4 {[%emt 0:
04:26]} Nd5 {[%emt 0:08:18]} 44. Qd4 {[%emt 0:02:42]} Qe7 {[%emt 0:02:43]} 45.
Nxd5 {[%emt 0:05:55]} exd5+ {[%emt 0:00:03]} 46. Kf2 {[%emt 0:00:11]} Qa3 {
[%emt 0:00:27]} 47. Qxd5 {[%emt 0:00:07]} Qxa4 {[%emt 0:01:16]} 48. Qxh5 {
[%emt 0:00:36]} Qd4+ {[%emt 0:05:00]} 49. Kf1 {[%emt 0:00:16]} Qa1+ {[%emt 0:
00:09]} 50. Kg2 {[%emt 0:00:22]} a6 {[%emt 0:06:16]} 51. bxa6 {[%emt 0:00:46]}
Qa2+ {[%emt 0:00:06]} 52. Kh3 {[%emt 0:00:23]} Qe6+ {[%emt 0:00:15]} 53. Qg4 {
[%emt 0:00:32]} Qxa6 {[%emt 0:00:28]} 54. Qf3 {[%emt 0:00:07]} Qe6+ {[%emt 0:
00:43]} 55. g4 {[%emt 0:00:26]} f5 {[%emt 0:02:30]} 56. g5 {[%emt 0:00:48]} Qe1
{[%emt 0:01:40]} 57. g6 {[%emt 0:09:04]} Qe8 {[%emt 0:03:46]} 58. Qd5+ {
[%emt 0:00:24]} Kh8 {[%emt 0:00:20]} 59. Qxf5 {[%emt 0:03:14]} Qe3+ {[%emt 0:
04:47]} 60. Kh4 {[%emt 0:00:00]} Qe1+ {[%emt 0:00:00]} 61. Kh5 {[%emt 0:00:56]}
Qe2+ {[%emt 0:10:20]} 62. Qg4 {[%emt 0:00:08]} Qe6 {[%emt 0:03:51]} 63. f5 {
[%emt 0:03:27]} Qe5 {[%emt 0:01:32]} 64. Qh3 {[%emt 0:01:13]} Qf4 {[%emt 0:00:
20]} 65. f6 {[%emt 0:00:14]} 1-0

[Event "83rd Tata Steel Masters 2021"]
[Site "Wijk aan Zee"]
[Date "2021.01.27"]
[Round "10.3"]
[White "Esipenko, Andrey"]
[Black "Anton Guijarro, David"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2677"]
[BlackElo "2679"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2021.01.16"]
[EventType "tourn"]
[EventCountry "NED"]
[Tiebreak "Koya+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,111,16,10,4,0,10,16,14,8,8,10,0,0,-8,13,0,10,0,0,10,22,0,-2,0,0,-18,
-8,-16,7,-12,0,-16,-4,-16,-2,-8,0,-21,-11,-76,-72,-69,-67,-77,-19,-77,-44,-42,
-40,-44,-32,-26,0,-17,0,0,0,0,94,75,84,89,131,132,189,196,168,186,198,190,206,
208,251,241,275,287,274,265,269,266,307,301,316,301,362,347,361,348,375,371,
354,320,313,287,319,247,567,537,644,651]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4
Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. Bd2 {C84: Closed Ruy Lopez: Unusual White
6th moves.} Bg4 9. c3 Bh5 10. Re1 {The position is equal.} Na5 11. Bc2 c5 12.
h3 O-O 13. Bc1 Nc6 14. Nbd2 d5 {[#]} 15. Nf1 $146 ({Predecessor:} 15. Qe2 d4
16. Nf1 Rc8 17. Ng3 Bg6 18. Bd2 Nd7 19. Bb3 Nb6 20. cxd4 Nxd4 21. Nxd4 Qxd4 {
1-0 (34) Huschenbeth,N (2616)-Rafiee,M (2322) Guatemala City 2020}) 15... d4
16. Ng3 Bg6 17. Bd2 Rc8 18. Rc1 Re8 19. Qe2 Bf8 20. Qf1 Qd6 21. Rcd1 Qd7 22.
Nh4 Qd8 23. Ngf5 Nd7 24. Qe2 Qf6 25. Rc1 Nb6 26. c4 (26. Qg4 $11) 26... bxc4
27. dxc4 Rb8 28. g3 Nb4 (28... a5 $17) 29. Bb1 (29. Bxb4 $11 cxb4 30. c5 Bxf5
31. Nxf5 Bxc5 32. Bb3) 29... Nc8 30. Nxg6 hxg6 31. Nh4 Qe6 32. Kg2 Nd6 33. Nf3
Be7 34. a3 {[%cal Ba2a3,Ba3b4][%mdl 32]} Nc6 35. b4 cxb4 (35... Nb7 $11 36. b5
Nca5) 36. c5 $16 {White now steadily converts the win.} Nb5 {[#] And now ...b3
would win.} 37. axb4 Bf6 38. Bd3 Nc3 (38... Qd7 $16) 39. Bxc3 $18 dxc3 40. Bc4
$36 {[%mdl 2048] White has strong initiative.} Qe7 41. Rxc3 Rxb4 42. Bd5 ({
Resist} 42. Bxa6 Qc7) 42... Nd4 43. Qxa6 Qc7 44. Nxd4 exd4 45. Rc2 g5 46. Qd3
Be5 47. Ra1 Qe7 48. Ra6 Rf8 49. c6 Rbb8 50. Rca2 Rbc8 51. Ra7 Rc7 52. Rb7 g6
53. Qd2 Rfc8 54. Rxc7 Rxc7 {[#]} (54... Bxc7 55. Qxd4 Be5) 55. h4 gxh4 56. Qh6
$1 {[%csl LRg6,LRh4] Weighted Error Value: White=0.11/Black=0.29} 1-0

[Event "83rd Tata Steel Masters 2021"]
[Site "Wijk aan Zee"]
[Date "2021.01.27"]
[Round "10.4"]
[White "Grandelius, Nils"]
[Black "Firouzja, Alireza"]
[Result "1/2-1/2"]
[ECO "B67"]
[WhiteElo "2663"]
[BlackElo "2749"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2021.01.16"]
[EventType "tourn"]
[EventCountry "NED"]
[Tiebreak "Koya+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,90,77,54,49,56,65,55,71,43,55,0,52,67,65,44,76,31,46,19,16,16,16,16,
16,16,18,16,28,15,16,16,16,17,14,0,0,0,16,0,0,0,10,17,22,11,11,11,49,54,68,68,
96,68,98,26,26,22,23,25,57,26,34,27,64,31,79,37,45,36,37,37,38]} 1. e4 c5 2.
Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4
b5 10. Bxf6 gxf6 11. f5 h5 {[#] aiming for ...Bh6. B67: Sicilian:
Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7.} 12. Kb1 Qb6 13.
fxe6 fxe6 14. Nxc6 Bxc6 15. Ne2 {[#]} (15. Bd3 $14) 15... Kf7 $146 (15... Bxe4
$11 16. Nf4 Bh6) ({Predecessor:} 15... Bxe4 16. Nf4 Bh6 17. Qe1 Qc6 18. Bd3 d5
19. Bxe4 dxe4 20. Nxh5 Bg5 21. g4 Rc8 {1-0 (38) Kotenko,P (2396)-Nelyubin,G 
(2067) Izhevsk 2010}) 16. Nf4 $14 Qc5 17. Be2 Rc8 18. Rhf1 Bh6 19. Qxd6 (19.
Qd3 {seems wilder.} Bxf4 20. Rxf4 Ke7 21. Rdf1 Rhf8 22. Rh4) 19... Qxd6 20.
Rxd6 Bxf4 21. Rxf4 Ke7 22. Rd2 Rcg8 23. Bd3 h4 24. Kc1 e5 25. Rff2 Rg4 26. Rde2
Rd8 27. Re3 Rdg8 28. Ree2 Rd8 29. Re3 Rdg8 30. Ree2 a5 31. Kd2 Rb8 32. Ke3 b4 {
[%cal Bb5b4,Bb4b3][%mdl 32]} 33. Rf5 Be8 34. Rf1 Bf7 35. Ref2 Rb6 36. Ra1 Bg6 {
[#]} 37. a3 ({White should try} 37. b3 $1 $16) 37... b3 $1 $11 38. c3 Rd6 39.
Re1 Bh7 40. Ree2 Bg6 41. Rd2 Rc6 42. Rd1 Rc8 43. Rfd2 (43. Rdf1 $5 {[%cal
Rf2f6]}) 43... Rg8 {White is slightly better.} 44. Rf1 Rd8 45. Rff2 Rc8 {
Weighted Error Value: White=0.13/Black=0.11} 1/2-1/2

[Event "83rd Tata Steel Masters 2021"]
[Site "Wijk aan Zee"]
[Date "2021.01.27"]
[Round "10.5"]
[White "Giri, Anish"]
[Black "Wojtaszek, Radoslaw"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2764"]
[BlackElo "2705"]
[Annotator "RC"]
[PlyCount "97"]
[EventDate "2021.01.16"]
[EventType "tourn"]
[EventCountry "NED"]
[Tiebreak "Koya+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/6000+30:20/3000+30:900+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Bf4 {[%emt 0:00:00]} d5 {
[%emt 0:00:00]} 3. e3 {[%emt 0:00:32]} c5 {[%emt 0:00:06]} 4. Nf3 {[%emt 0:02:
19]} Nc6 {[%emt 0:00:12]} 5. Nbd2 {[%emt 0:05:14]} Bg4 {[%emt 0:00:23]} 6. c3 {
[%emt 0:02:46]} e6 {[%emt 0:00:10]} 7. Qb3 {[%emt 0:10:56]} Qc8 {[%emt 0:00:13]
} 8. h3 {[%emt 0:12:42]} Bh5 {[%emt 0:00:12]} 9. Be2 {[%emt 0:01:14]} Be7 {
[%emt 0:07:57]} 10. O-O {[%emt 0:00:35]} O-O {[%emt 0:04:08]} 11. Qd1 {[%emt 0:
04:10]} Nd7 {[%emt 0:10:34]} 12. Re1 {[%emt 0:11:58]} Qd8 {[%emt 0:02:16]} 13.
dxc5 {[%emt 0:13:28]} Nxc5 {[%emt 0:02:43]} 14. b4 {[%emt 0:00:27]} Nd7 {
[%emt 0:08:10]} 15. a3 {[%emt 0:05:39]} Nb6 {[%emt 0:03:27]} 16. Rc1 {[%emt 0:
01:37]} f6 {[%emt 0:12:31]} 17. e4 {[%emt 0:04:12]} e5 {[%emt 0:02:55]} 18. Be3
{[%emt 0:00:14]} Bf7 {[%emt 0:01:18]} 19. Bxb6 {[%emt 0:03:30]} axb6 {[%emt 0:
00:30]} 20. exd5 {[%emt 0:00:28]} Bxd5 {[%emt 0:00:23]} 21. a4 {[%emt 0:06:01]}
f5 {[%emt 0:21:19]} 22. b5 {[%emt 0:01:54]} e4 {[%emt 0:04:30]} 23. bxc6 {
[%emt 0:00:32]} exf3 {[%emt 0:00:04]} 24. Bxf3 {[%emt 0:01:12]} bxc6 {[%emt 0:
01:16]} 25. Bxd5+ {[%emt 0:00:23]} cxd5 {[%emt 0:00:04]} 26. Nf3 {[%emt 0:07:
37]} Bf6 {[%emt 0:00:15]} 27. Re6 {[%emt 0:00:14]} Kh8 {[%emt 0:08:00]} 28. Qb3
{[%emt 0:01:54]} Qd7 {[%emt 0:09:06]} 29. Rxb6 {[%emt 0:00:19]} Rxa4 {[%emt 0:
00:35]} 30. Rd1 {[%emt 0:00:22]} Raa8 {[%emt 0:02:29]} 31. Rxd5 {[%emt 0:04:36]
} Qc7 {[%emt 0:01:03]} 32. g3 {[%emt 0:01:10]} Qxc3 {[%emt 0:00:33]} 33. Qxc3 {
[%emt 0:04:29]} Bxc3 {[%emt 0:00:05]} 34. h4 {[%emt 0:01:34]} Kg8 {[%emt 0:01:
55]} 35. Rb7 {[%emt 0:01:01]} Rad8 {[%emt 0:01:05]} 36. Rc5 {[%emt 0:00:30]}
Rc8 {[%emt 0:00:21]} 37. Rd5 {[%emt 0:00:06]} Rcd8 {[%emt 0:00:04]} 38. Rdb5 {
[%emt 0:00:09]} Rd6 {[%emt 0:05:23]} 39. Rc7 {[%emt 0:01:05]} Ba1 {[%emt 0:00:
16]} 40. Kg2 {[%emt 0:00:00]} Ra6 {[%emt 0:00:00]} 41. h5 {[%emt 0:06:38]} Ra2
{[%emt 0:13:22]} 42. Rd5 {[%emt 0:21:05]} Ra6 {[%emt 0:05:34]} 43. Nh4 {
[%emt 0:03:23]} g6 {[%emt 0:01:06]} 44. h6 {[%emt 0:03:33]} f4 {[%emt 0:26:27]}
45. g4 {[%emt 0:00:43]} f3+ {[%emt 0:00:55]} 46. Kg3 {[%emt 0:10:34]} Rb6 {
[%emt 0:00:38]} 47. Rcd7 {[%emt 0:02:41]} Rb3 {[%emt 0:00:32]} 48. g5 {[%emt 0:
00:14]} Bb2 {[%emt 0:01:29]} 49. Rxh7 {[%emt 0:01:02]} 1-0

[Event "83rd Tata Steel Masters 2021"]
[Site "Wijk aan Zee"]
[Date "2021.01.27"]
[Round "10.6"]
[White "Duda, Jan-Krzysztof"]
[Black "Van Foreest, Jorden"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2743"]
[BlackElo "2671"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2021.01.16"]
[EventType "tourn"]
[EventCountry "NED"]
[Tiebreak "Koya+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,52,34,20,38,32,27,7,48,40,32,18,25,10,20,31,34,-25,-24,-11,-28,-132,
-127,-112,0,-63,0,0,0,0,0,0,29,34,29,0,0,0,0,0,0,0,0,-8,0]} 1. d4 Nf6 2. c4 g6
3. Nf3 Bg7 4. e3 O-O 5. Be2 d6 6. Nc3 e5 {E61: King's Indian: Early deviations
for White, including Smyslov System.} 7. dxe5 dxe5 8. Nxe5 Qe7 9. Nf3 {[#]} Rd8
$146 ({Predecessor:} 9... c6 10. O-O Be6 11. Qc2 Nbd7 12. Nd4 Bg4 13. Bxg4 Nxg4
14. Qe4 Qg5 15. Nf3 Qh5 {1-0 (71) Dalalio,G (1800)-Born,A (1470) Dois Irmaos
2012}) 10. Qb3 a5 11. O-O a4 12. Nxa4 Ne4 $1 13. Nd4 ({Better is} 13. Rd1 $14)
13... Nc6 $1 $11 14. Nxc6 bxc6 15. Bf3 (15. Qc2 $11) 15... Bf5 $1 $17 {[%mdl
1024] Black has strong compensation.} 16. c5 {[#]} h5 (16... Rab8 $1 $17 {
[%cal Rb8b3]} 17. Qc4 Nxf2 18. Rxf2 Bd3) 17. Qb4 ({White should try} 17. Bxe4
$11 Rab8 18. Qa3 Qxe4 19. Nc3) 17... Qe6 (17... h4 $15) 18. Bd1 $11 Be5 19. f3
Qe7 $1 {[%cal Re7h4] Hoping for ...Qh4.} 20. Qe1 ({Don't go for} 20. fxe4 $2 {
[#]} Qh4 $1 $19) 20... Nxc5 (20... Ng3 $5 21. hxg3 Bd3 $18) 21. Nxc5 Qxc5 22.
a4 (22. f4 $5 {[%cal Rf4e5]} Bf6 23. a4 $11) 22... Rab8 {The position is equal.
} 23. Qf2 Qa5 {Strongly threatening ...Bxb2!} 24. Ra3 Qc5 25. Ra1 Qa5 {And now
...Bxb2! would win.} 26. Ra3 Qc5 {Weighted Error Value: White=0.20/Black=0.11}
1/2-1/2

[Event "83rd Tata Steel Masters 2021"]
[Site "Wijk aan Zee"]
[Date "2021.01.27"]
[Round "10.7"]
[White "Harikrishna, Pentala"]
[Black "Tari, Aryan"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2732"]
[BlackElo "2625"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2021.01.16"]
[EventType "tourn"]
[EventCountry "NED"]
[Tiebreak "Koya+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,103,42,41,37,3,14,0,-2,-16,-11,-13,-12,-15,0,4,16,0,0,-9,-11,-56,-47,
-75,-28,-12,0,-12,-21,-33,-23,-21,-19,-33,-16,-27,-13,-13,-3,-13,0,-15,-6,-5,
-5,-14,-8,-7,-5,-31,-33,-38,0,0,0,0,0,0,21,0,0,0,0,0,0,0,0,0,0,0,-8,-10,-10,-9,
-9,-44,-44,-44,0,-44,-22,-20,-6,-28,-28,-100,-39,-37,0,-35,0,0,0,-37]} 1. e4 e5
2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bc2 d5 {C78: Ruy Lopez:
Archangelsk and Möller Defences.} 8. d3 O-O 9. Bg5 dxe4 10. dxe4 h6 {[#]} 11.
Bh4 $146 ({Predecessor:} 11. Qxd8 Rxd8 12. Bxf6 gxf6 13. Nbd2 Rb8 14. Rfc1 a5
15. Nf1 a4 16. Ng3 Be6 17. Nh5 {1/2-1/2 (43) Hietanen,P (2027)-Tudor,V (2162)
ICCF email 2013}) 11... Qxd1 12. Rxd1 g5 13. Bg3 Bg4 14. Nbd2 Nh5 15. b4 Bb6
16. Bd3 Rad8 17. Be2 Nxg3 18. hxg3 Rd6 (18... Be6 {feels hotter.} 19. a4 bxa4
20. Bxa6 g4 21. Nh2 Ne7) 19. Nf1 (19. a4 {seems wilder.} Rfd8 20. axb5 axb5 21.
Kf1 f6 22. Rdc1) 19... Rxd1 20. Rxd1 Be6 21. Ra1 g4 22. N3d2 Ne7 23. c4 Bd4 24.
Rc1 c6 25. Nb3 Rb8 26. Nfd2 bxc4 27. Bxc4 Rxb4 28. Bxe6 fxe6 29. Kf1 Kf7 30.
Ke2 Ra4 31. Rc2 Kf6 32. Nc4 Rb4 33. f4 gxf3+ 34. gxf3 Ba7 35. Kd3 Rb8 36. Rh2
Rh8 37. Rh5 Bf2 38. g4 Ng6 {[#] ...Nf4+ is the strong threat.} 39. Kc2 Bd4 40.
Nba5 c5 41. a3 Kg7 42. Nc6 Rf8 43. Rh3 Rc8 44. N6a5 Rf8 45. Nb3 Nf4 46. Rh2 Kg6
47. Nbd2 Rb8 48. Nf1 (48. Nb3 $11 {remains equal.}) 48... Kg5 (48... a5 $17)
49. Nfd2 $1 $15 Kg6 50. Nb3 Rf8 51. Nba5 Kg7 52. Nb3 {Weighted Error Value:
White=0.13/Black=0.09} 1/2-1/2

