[Event "83rd Tata Steel Masters 2021"]
[Site "Wijk aan Zee"]
[Date "2021.01.22"]
[Round "6.1"]
[White "Duda, Jan-Krzysztof"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2743"]
[BlackElo "2862"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2021.01.16"]
[EventType "tourn"]
[EventCountry "NED"]
[Tiebreak "Koya+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,100,16,11,11,8,12,16,17,10,16,10,9,0,0,-14,0,-10,-6,0,-5,-25,-9,-11,
-6,-63,-57,-29,-40,-61,-29,-50,-30,-29,-17,-13,0,0,0,0,0,0,0,0,0,0,0,-12,-12,
-7,-2,-16,-8,-14,-6,-37,-28,-22,-12,-37,-33,-87,-85,-119,-58,-45,-47,-28,-31,
-28,-10,-12,0,-22,-22,-22,-22,-32,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2.
Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6 6. c3 a5 {C54: Giuoco Piano: 4 c3 Nf6,
main lines with 5 d4 and 5 d3.} 7. Re1 O-O 8. Nbd2 Ba7 9. Nf1 Be6 10. Bb5 Ne7
11. Ng3 Ng6 12. h3 c6 13. Ba4 d5 14. exd5 Nxd5 {[#]} 15. d4 $146 ({Predecessor:
} 15. Bc2 Qc7 16. d4 exd4 17. Nxd4 Rae8 18. Bg5 Ndf4 19. Qd2 Bd5 20. Rxe8 Rxe8
21. Re1 {0-1 (98) Alekseenko,K (2698)-Giri,A (2763) Ekaterinburg 2020}) 15...
exd4 16. Nxd4 Qc7 17. Qf3 (17. Bc2 $11) 17... Bxd4 18. cxd4 Qb6 19. Rd1 Rad8
20. Bb3 Nc7 21. Nf5 Bxb3 22. axb3 Qb5 23. h4 h5 24. Bd2 (24. Qxh5 Rd5 $17)
24... b6 25. Bg5 $1 {[%cal Rg5d8]} (25. Qxh5 Rd5 $17) 25... f6 26. Bh6 Rf7 $1 (
{Avoid the trap} 26... gxh6 $2 27. Qxh5 Qxf5 28. Qxf5 $18) 27. Qxh5 Ne7 28.
Nxe7+ Rxe7 29. Qxb5 cxb5 30. Bd2 Re4 {[%mdl 64] [#] Double Attack} 31. d5 Nxd5
32. Be3 {next Bxb6! is good for White.} Rd7 ({Much weaker is} 32... Rxh4 $6 {
[#]} 33. Bxb6 $1 {[%mdl 512]} Rb8 34. Bxa5 $16 (34. Rxd5 Rxb6 35. Rxa5 Rb4 $14)
) 33. g3 Ree7 34. Bd4 Re6 35. Rac1 (35. Rd2 $15) 35... Red6 $17 36. Re1 Nb4 (
36... Kf7 $17 {Strongly threatening ...Nb4.} 37. Rb1 Nb4) 37. Rc8+ Kf7 38. Be3
Nd5 39. Rb8 b4 40. Kf1 Kg6 41. g4 (41. Bd4 {looks sharper.} Kf5 42. f3 Ne7 43.
Bxb6 Rd3 44. Kg2) 41... Nxe3+ 42. Rxe3 $11 {[%mdl 4096] Endgame KRR-KRR} Rd4
43. g5 f5 44. Rh8 $1 {The position is equal.} Re4 {White must now prevent ...
Rxe3.} 45. Ke2 Rxe3+ 46. Kxe3 {With the idea f4.} Re7+ 47. Kd3 {aiming for f4.}
Rd7+ 48. Ke3 {White wants to play f4.} Re7+ 49. Kd3 {And now f4 would win.}
Rd7+ 50. Ke3 {Threatening f4.} Re7+ {Weighted Error Value: White=0.08/Black=0.
05} 1/2-1/2

[Event "83rd Tata Steel Masters 2021"]
[Site "Wijk aan Zee"]
[Date "2021.01.22"]
[Round "6.2"]
[White "Vachier-Lagrave, Maxime"]
[Black "Tari, Aryan"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2784"]
[BlackElo "2625"]
[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 13,52,0,26,0,0,0,0,2,18,-1,0,-17,-26,-27,-20,-14,-18,-12,-12,-15,-14,
-19,-13,-37,-36,-22,-19,-54,-10,-16,-3,-3,-10,-22,-16,-24,-6,-25,-27,-61,-55]} 
1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6 {The main line 6...
c6 scores better than 6...dxc4.} 7. Qb3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 8. Bf4
{D78: Fianchetto Grünfeld: 6 0-0 c6.} a4 9. Qb4 dxc4 10. Qxc4 {The position is
equal.} Qa5 {[#]} 11. Na3 $146 ({Predecessor:} 11. h3 Be6 12. Qc1 Rd8 13. Na3
Na6 14. Be5 Nb4 15. Nc4 Qb5 16. b3 axb3 17. axb3 Rxa1 18. Qxa1 Bxc4 19. bxc4
Qxc4 {1-0 (61) Dreev,A (2670)-Corrales Jimenez,F (2559) chess.com INT 2019})
11... Be6 12. Qc1 Bd5 13. Re1 Nbd7 14. Nc4 Qa7 15. Nce5 Nxe5 16. Bxe5 Qb6 17.
h4 Rfd8 18. Bf1 Ne4 {White must now prevent ...Bxe5.} 19. Bxg7 Kxg7 20. Rd1 c5
(20... Ra5 {keeps more tension.} 21. Qf4 f6 22. Qe3 Qxb2 23. Ne1 Re8) 21. dxc5
Qxc5 22. Qxc5 Nxc5 23. Nd4 Rac8 24. Nc2 e5 25. Nb4 Be6 26. e3 Bg4 {Weighted
Error Value: White=0.10/Black=0.07} 1/2-1/2

[Event "83rd Tata Steel Masters 2021"]
[Site "Wijk aan Zee"]
[Date "2021.01.22"]
[Round "6.3"]
[White "Van Foreest, Jorden"]
[Black "Anton Guijarro, David"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2671"]
[BlackElo "2679"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2021.01.16"]
[EventType "tourn"]
[EventCountry "NED"]
[Tiebreak "Koya+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,73,12,6,15,44,14,24,6,14,13,18,0,0,0,14,0,0,8,4,-22,-6,0,35,7,43,27,
61,35,67,52,55,63,50,52,81,78,117,93,132,132,117,131,118,147,141,146,117,149,
140,129,170,170,163,106,106,99,95,81,2368,2014]} 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. h3 {C84: Closed Ruy
Lopez: Unusual White 6th moves.} h6 10. a4 $5 {[%mdl 4] White wants to play
axb5. An interesting side line.} Bd7 11. Bc2 {White has an edge.} b4 12. Nbd2
Re8 {[#]} 13. a5 $146 ({Predecessor:} 13. Nc4 Be6 14. Re1 bxc3 15. bxc3 Bxc4
16. dxc4 Na5 17. Nh4 Rb8 18. Nf5 Bf8 19. Rb1 Rxb1 20. Bxb1 {1/2-1/2 (51)
Sukhanitskij,S (2059)-Parente,A (1588) LSS email 2014}) 13... Bf8 14. Re1 Rb8
15. d4 bxc3 16. bxc3 exd4 17. cxd4 Nb4 18. Bb1 g6 19. Ra3 Bg7 20. Nf1 Rb5 21.
Ng3 Nh5 22. Nxh5 Rxh5 23. d5 c5 24. Bf4 Bb2 25. Rae3 Qf6 26. Bg3 c4 27. Qe2 Bb5
28. e5 Bxe5 29. Nxe5 dxe5 30. Bxe5 Rexe5 31. Rxe5 c3 32. Qe3 c2 {White must
now prevent ...Rxe5.} 33. Rxh5 gxh5 {[#]} 34. Bxc2 {[%mdl 512]} Nxc2 $16 35.
Qe5 Kg7 36. Re4 {[%mdl 1024] Hoping for d6. White has strong compensation.} Bd3
$2 {[%mdl 8192]} (36... Qxe5 $16 37. Rxe5 Nd4) 37. Qg3+ {[%mdl 64] Double
Attack.  Weighted Error Value: White=0.10/Black=0.15} 1-0

[Event "83rd Tata Steel Masters 2021"]
[Site "Wijk aan Zee"]
[Date "2021.01.22"]
[Round "6.4"]
[White "Grandelius, Nils"]
[Black "Caruana, Fabiano"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2663"]
[BlackElo "2823"]
[Annotator "RC"]
[PlyCount "124"]
[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]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:36]} Nc6 {
[%emt 0:00:00]} 3. Bb5 {[%emt 0:02:40]} e5 {[%emt 0:00:02]} 4. O-O {[%emt 0:02:
53]} Bd6 {[%emt 0:00:14]} 5. c3 {[%emt 0:00:46]} a6 {[%emt 0:00:18]} 6. Ba4 {
[%emt 0:08:04]} b5 {[%emt 0:00:19]} 7. Bc2 {[%emt 0:06:46]} Nge7 {[%emt 0:00:
32]} 8. d4 {[%emt 0:10:07]} cxd4 {[%emt 0:01:33]} 9. cxd4 {[%emt 0:00:55]} exd4
{[%emt 0:00:14]} 10. Nbd2 {[%emt 0:01:34]} Bb7 {[%emt 0:11:45]} 11. Nb3 {
[%emt 0:03:30]} Qc7 {[%emt 0:00:16]} 12. h3 {[%emt 0:08:29]} Rc8 {[%emt 0:03:
33]} 13. Nbxd4 {[%emt 0:09:20]} Nxd4 {[%emt 0:00:56]} 14. Qxd4 {[%emt 0:00:52]}
O-O {[%emt 0:01:22]} 15. Bb3 {[%emt 0:02:14]} Nc6 {[%emt 0:19:05]} 16. Qd1 {
[%emt 0:01:33]} Ne5 {[%emt 0:01:33]} 17. Nxe5 {[%emt 0:02:50]} Bxe5 {[%emt 0:
00:05]} 18. Re1 {[%emt 0:07:13]} Rfe8 {[%emt 0:01:46]} 19. f4 {[%emt 0:08:32]}
Bxf4 {[%emt 0:25:22]} 20. Bxf7+ {[%emt 0:01:25]} Kxf7 {[%emt 0:00:07]} 21. Bxf4
{[%emt 0:00:15]} Qb6+ {[%emt 0:00:39]} 22. Kh2 {[%emt 0:02:46]} Qe6 {[%emt 0:
00:34]} 23. e5 {[%emt 0:03:06]} Kg8 {[%emt 0:02:19]} 24. Bg3 {[%emt 0:02:23]}
Rc4 {[%emt 0:06:02]} 25. Rf1 {[%emt 0:04:19]} a5 {[%emt 0:16:08]} 26. Rf2 {
[%emt 0:01:36]} a4 {[%emt 0:00:12]} 27. a3 {[%emt 0:02:21]} Rec8 {[%emt 0:01:
54]} 28. Qd6 {[%emt 0:06:27]} h5 {[%emt 0:00:23]} 29. Raf1 {[%emt 0:02:26]} h4
{[%emt 0:02:45]} 30. Qxe6+ {[%emt 0:02:07]} dxe6 {[%emt 0:00:05]} 31. Bf4 {
[%emt 0:00:05]} b4 {[%emt 0:03:56]} 32. axb4 {[%emt 0:01:32]} Rxb4 {[%emt 0:00:
10]} 33. Bg5 {[%emt 0:00:58]} Bd5 {[%emt 0:05:49]} 34. Be7 {[%emt 0:01:26]}
Rbc4 {[%emt 0:01:11]} 35. Rf8+ {[%emt 0:00:46]} Rxf8 {[%emt 0:00:04]} 36. Rxf8+
{[%emt 0:00:04]} Kh7 {[%emt 0:00:03]} 37. Rf2 {[%emt 0:00:24]} Kg6 {[%emt 0:01:
53]} 38. Bd8 {[%emt 0:01:26]} Re4 {[%emt 0:02:59]} 39. Bc7 {[%emt 0:00:06]} Kh5
{[%emt 0:01:13]} 40. Bd6 {[%emt 0:00:00]} g5 {[%emt 0:00:00]} 41. Bc7 {[%emt 0:
02:58]} g4 {[%emt 0:06:49]} 42. hxg4+ {[%emt 0:00:21]} Kxg4 {[%emt 0:00:12]}
43. Bd6 {[%emt 0:18:42]} Bb3 {[%emt 0:16:54]} 44. Kg1 {[%emt 0:08:00]} Bc4 {
[%emt 0:02:22]} 45. Kh1 {[%emt 0:04:31]} h3 {[%emt 0:02:51]} 46. Kh2 {[%emt 0:
02:00]} hxg2 {[%emt 0:00:06]} 47. Kxg2 {[%emt 0:00:08]} Bd5 {[%emt 0:00:21]}
48. Kf1 {[%emt 0:04:15]} Re3 {[%emt 0:00:17]} 49. Kg1 {[%emt 0:10:53]} Re1+ {
[%emt 0:05:43]} 50. Rf1 {[%emt 0:00:05]} Re2 {[%emt 0:00:03]} 51. Rf2 {[%emt 0:
00:15]} Re3 {[%emt 0:00:08]} 52. Rf1 {[%emt 0:02:45]} Rg3+ {[%emt 0:04:55]} 53.
Kf2 {[%emt 0:00:02]} Rb3 {[%emt 0:00:08]} 54. Ra1 {[%emt 0:01:59]} Bc6 {
[%emt 0:04:12]} 55. Ke2 {[%emt 0:00:54]} Rxb2+ {[%emt 0:02:17]} 56. Ke3 {
[%emt 0:00:18]} Bb5 {[%emt 0:00:28]} 57. Kd4 {[%emt 0:00:54]} Kf4 {[%emt 0:01:
05]} 58. Ra3 {[%emt 0:01:02]} Be8 {[%emt 0:02:51]} 59. Kc3 {[%emt 0:00:11]} Rb1
{[%emt 0:01:22]} 60. Kd4 {[%emt 0:00:00]} Bd7 {[%emt 0:00:00]} 61. Rc3 {
[%emt 0:01:32]} Rb5 {[%emt 0:06:01]} 62. Rc7 {[%emt 0:03:46]} Rd5+ {[%emt 0:00:
28]} 1/2-1/2

[Event "83rd Tata Steel Masters 2021"]
[Site "Wijk aan Zee"]
[Date "2021.01.22"]
[Round "6.5"]
[White "Harikrishna, Pentala"]
[Black "Wojtaszek, Radoslaw"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2732"]
[BlackElo "2705"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2021.01.16"]
[EventType "tourn"]
[EventCountry "NED"]
[Tiebreak "Koya+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,85,16,25,18,20,29,8,12,9,25,13,27,19,27,0,5,9,16,8,25,0,9,0,11,2,24,
11,19,23,30,0,0,0,35,27,35,27,31,24,22,25,33,25,38,38,43,27,43,43,43,43,43,43,
43,43,43,43,43,43,43,43,43,0,1,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3.
Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bh4 O-O {D38: Queen's Gambit
Declined: Ragozin Defence (4 Nf3 Bb4).} 8. e3 Bf5 9. Be2 $1 {[%mdl 4] is
currently scoring better than 9.Qb3.} Nbd7 10. Qb3 Qe7 11. O-O c6 12. a3 Bxc3
13. Bxf6 Nxf6 14. bxc3 b5 15. a4 a6 {[#]} 16. Qa3 $146 ({Predecessor:} 16. Ne5
Qc7 17. Ra3 c5 18. axb5 c4 19. Qa2 a5 20. Ra1 Ne4 21. Bf3 Rab8 22. Bxe4 Bxe4
23. Rxa5 {1-0 (40) Grischuk,A (2777)-Aronian,L (2781) Lichess.org INT 2020})
16... Qb7 17. Ra2 Rfc8 18. Ne5 Rab8 19. Rb2 Nd7 (19... Qc7 {feels hotter.} 20.
Ra1 Ne4 21. Bd3 Rb6 22. f3 Nd6) 20. Nxd7 Qxd7 21. h3 Qd8 22. Ra1 Qf8 23. Qxf8+
Kxf8 24. axb5 axb5 25. Ra7 Ra8 26. Rba2 Rxa7 27. Rxa7 $11 {[%mdl 4096] Endgame
KRB-KRB} Rb8 28. g4 Be6 29. Bd3 b4 30. cxb4 Rxb4 31. Rc7 Rb6 32. Bf5 Bxf5 33.
gxf5 $14 {KR-KR} Rb1+ 34. Kg2 Rc1 35. Kg3 h5 36. Kf4 f6 37. f3 Rc4 {The
position is equal.} 38. h4 (38. Rd7 {looks sharper.} Ra4 39. Rd6 Rc4 40. Rd8+
Kf7 41. Rc8) 38... Rc3 39. e4 dxe4 40. fxe4 Rd3 41. Rc8+ Kf7 42. Rc7+ Kf8 43.
Rc8+ {Weighted Error Value: White=0.06/Black=0.05} 1/2-1/2

[Event "83rd Tata Steel Masters 2021"]
[Site "Wijk aan Zee"]
[Date "2021.01.22"]
[Round "6.6"]
[White "Esipenko, Andrey"]
[Black "Giri, Anish"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2677"]
[BlackElo "2764"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2021.01.16"]
[EventType "tourn"]
[EventCountry "NED"]
[Tiebreak "Koya+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,84,0,0,0,12,16,19,16,16,9,14,0,12,6,10,8,4,16,34,29,30,0,10,0,6,0,0,
0,0,0,0,0,0,0,0,6,6,6,9,0,1,0,6,0,0,0,0,0,0,0,0,0,4,4,6,0,0,0,0,0,0,0,0]} 1. d4
d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9.
O-O Bb7 10. Bb2 Qe7 11. Rad1 Rad8 12. Rfe1 Rfe8 13. Bf1 {D45: Semi-Slav: 5 e3.}
c5 14. cxd5 exd5 15. g3 Rc8 16. Bh3 c4 {[#]} 17. bxc4 $146 ({Predecessor:} 17.
Nd2 cxb3 18. Qxb3 a6 19. a4 h5 20. Nf3 a5 21. Rc1 Bb4 22. Red1 Ng4 23. Rf1 {
1/2-1/2 (54) Piccardo,V (2511)-Persson,C (2578) ICCF email 2010}) 17... Rxc4
18. Nd2 Rc7 19. Qb3 a6 $1 20. a4 h5 21. Rc1 h4 22. Ncb1 Rec8 {The position is
equal.} 23. Rxc7 Rxc7 24. Rc1 Rxc1+ 25. Bxc1 hxg3 26. hxg3 Bb4 27. Nc3 Qd6 28.
Ndb1 Nf8 (28... a5 {with more complications.} 29. Ba3 Nb8 30. Bb2 Qc6 31. Nd2
Ba6) 29. Ba3 Bxa3 30. Qxa3 Qc7 31. Nd2 N8h7 32. Bg2 Ng5 33. Nf3 Nge4 34. Nxe4
Nxe4 35. Ne5 Bc8 36. Qb2 Be6 37. Kh2 a5 38. Bxe4 dxe4 39. Qb5 Kf8 40. Nc6 Bd7
41. d5 f5 42. Kg2 Bxc6 {Weighted Error Value: White=0.02/Black=0.02} 1/2-1/2

[Event "83rd Tata Steel Masters 2021"]
[Site "Wijk aan Zee"]
[Date "2021.01.22"]
[Round "6.7"]
[White "Donchenko, Alexander"]
[Black "Firouzja, Alireza"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2668"]
[BlackElo "2749"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2021.01.16"]
[EventType "tourn"]
[EventCountry "NED"]
[Tiebreak "Koya+Number of wins"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,86,7,10,31,12,33,20,38,0,0,-16,-27,-24,-6,-6,0,-47,-35,-65,-23,-23,
-25,-18,40,54,95,-116,0,0,75,-85,-70,-118,-123,-103,-116,-107,-7,-440,-416,
-409,-400,-29984,-29985,-29985,-29986,-29986,-29987,-29987,-29988,-29988,
-29989,-29989,-29990,-29990,-29991,-29991,-29992,-29992,-29993]} 1. d4 d5 2. c4
e6 3. Nc3 Bb4 4. Nf3 dxc4 5. e3 b5 6. a4 c6 7. Bd2 a5 8. axb5 Bxc3 9. Bxc3 cxb5
10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 O-O $1 {[%mdl 4] is now more
promising than 13...Nbd7.} 14. O-O Nbd7 15. Nd2 e5 {D31: Queen's Gambit
Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and
Exchange Variation lines without ...Nf6.} 16. Bc2 Qc7 17. h3 Rfe8 {The
position is equal.} 18. Bb3 {[#]} h6 $146 ({Predecessor:} 18... Ne4 19. Nxe4
Bxe4 20. Re1 Ra6 21. f3 Bf5 22. c5 Rg6 23. Kh1 Rh6 24. Bc4 Bxh3 25. gxh3 exd4 {
1/2-1/2 (35) Rudolf,M (2129)-Ress,J (2179) LSS email 2013}) 19. Nf3 Ra6 20.
Nxe5 Nxe5 21. dxe5 Nd7 22. f4 Nc5 {[%mdl 1024] And now ...Rg6 would win. Black
has compensation.} 23. Bc2 a4 {White should prevent ...Rd8.} (23... Rd8 $5 {
[%cal Rd8d1]} 24. Qg4 b3 $11) 24. f5 $1 b3 25. Bb1 Raa8 ({Black should try} 
25... a3 $11 26. Rxa3 Rxa3 27. Bxa3 Qxe5) 26. e6 $1 $14 {Qg4! is the strong
threat.} Qg3 {[%csl Gb7][%cal Rg3g2][%mdl 64] Double Attack} (26... fxe6 $2 27.
f6 $18) 27. Rf2 (27. Qe2 $16 {stays on course. Strongly threatening Bd4.} f6
28. Rf4) 27... f6 $40 {[%mdl 128] Black mounts an attack.} ({Wrong is} 27...
Qxe3 $2 28. exf7+ Kxf7 29. Qh5+ Ke7 30. f6+ gxf6 31. Bg6 $18) (27... fxe6 $17
28. f6 gxf6) 28. Bd4 Ne4 {[#]} (28... Rec8 $11 {remains equal.}) 29. Bxe4 $2 (
29. Rf3 $1 $16 {[%cal Rf3g3]} Qb8 30. Rf4) 29... Bxe4 $17 30. Ra3 Rec8 31. c5
Kh7 32. Qd2 b2 (32... Rd8 $17) 33. Qxb2 $4 {[%mdl 8192] This costs White the
game.} (33. Bxb2 $11 Rxc5 34. Qb4 Rxf5 35. Qxe4 Qxf2+ {[%mdl 64] Double Attack}
36. Kh2) 33... Rab8 34. Qa2 {With the idea Rf1.} Rb1+ 35. Rf1 (35. Qxb1 $19
Bxb1 36. Rxa4) 35... Rcb8 {Black mates.} 36. Qf2 Rxf1+ 37. Kxf1 {[#]} Rb1+ $1
38. Ke2 Qb8 39. Qf4 Qb5+ 40. Kd2 Qb4+ {[%mdl 64] Double Attack} 41. Bc3 Qxa3
42. Qxe4 Qc1+ 43. Kd3 Qf1+ {Weighted Error Value: White=0.58/Black=0.22} 0-1

