[Event "Biel schev"]
[Site "Biel"]
[Date "1987.??.??"]
[Round "?"]
[White "Costa, Jean Luc"]
[Black "Polgar, Judit"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "2320"]
[BlackElo "2355"]
[Annotator "Schipkov,Boris"]
[PlyCount "44"]
[EventDate "1987.??.??"]
[EventRounds "6"]
[EventCountry "SUI"]
[Source "ChessBase"]
[SourceDate "2013.01.15"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bc5 {Tseitlin,
Vaganjan, Kasparow, Kevitz} 7. N5c3 O-O 8. g3 $5 (8. e3 e4 {Hauptvariante})
8... Ng4 (8... Qb6 $5) (8... e4) 9. e3 f5 10. Bg2 (10. Be2 $5) 10... f4 $5 (
10... e4) 11. h3 $6 (11. Bf3 fxe3 (11... Nf6 $5 12. O-O Bh3 13. Re1 (13. Bg2
Bxg2 14. Kxg2 fxg3 15. hxg3 Nbd7 $14) 13... Nbd7 14. exf4 $2 exf4 15. Bxf4
Bxf2+ 16. Kxf2 Qb6+ 17. Re3 Rae8 $19) 12. Bxg4 exf2+ 13. Kf1) 11... Nxf2 $1 12.
Kxf2 fxe3+ 13. Ke1 Rf2 $40 14. Rg1 (14. Be4 Qg5 15. Ne2 Bf5 16. Nbc3 Na6 $44) (
14. d6 Na6 (14... Kh8 $44)) 14... Qf8 15. Qd3 (15. Qb3 Rxg2 16. Rxg2 Bxh3 17.
Bxe3 Bxe3 18. Nd1 Bd4 $17) (15. d6 Be6 $17) 15... Na6 16. a3 Bf5 17. Be4 Bxe4
18. Qxe4 (18. Nxe4 e2 19. Nbd2 Rh2 20. Nf3 Bxg1 21. Nxh2 Nc5 22. Qf3 Nxe4 23.
Kxe2 Bd4 $17) 18... Bd4 19. Bxe3 $2 (19. b4 Rc8 (19... Nc5) 20. Bxe3 Rxc3 21.
Nxc3 Bxc3+ 22. Kd1 Bxa1 23. Bxf2 Qxf2 24. Re1 $15) 19... Nc5 $19 20. Bxd4 exd4
21. Qxd4 Re8+ 22. Kd1 Qf3+ 0-1

[Event "ETCC"]
[Site "Crete GRE"]
[Date "2007.11.06"]
[Round "9"]
[White "Aronian, Levon"]
[Black "Sutovsky, Emil"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2741"]
[BlackElo "2655"]
[Annotator "Carsten Hansen"]
[PlyCount "73"]
[EventDate "2007.10.28"]
[EventRounds "9"]
[EventCountry "GRE"]
[Source "ChessPublishing"]
[SourceDate "2010.01.22"]

1. c4 ({In another recent game, Black tried a similar idea to the one in our
main game, but after a different move order and losing a tempo in the process:
} 1. d4 e6 2. c4 c5 3. Nf3 Nf6 4. g3 cxd4 5. Nxd4 e5 6. Nb5 d5 7. cxd5 Bc5 8.
N5c3 Qb6 9. e3 Bg4 10. Qa4+ $5 (10. Be2 {as in our main game is undoubtedly
good as well, White has gained an extra tempo free of charge. However, the
variation chosen by White here also leaves White with the clearly better
chances.}) 10... Bd7 11. Qb3 Qxb3 12. axb3 Bf5 13. f3 (13. Nd2 $5 Bc2 14. Nc4
Nbd7 15. Bg2 Bd3 (15... Bxb3 $2 16. Na5 $18) 16. e4 (16. Kd2 e4 17. f3 Bb4 $13)
16... Ng4 17. Ne3 $16) 13... Bc2 14. Bc4 e4 (14... Nbd7 15. e4 $16) 15. Na3
Bxa3 16. bxa3 exf3 17. O-O (17. Nb5 Kd7 18. Bb2 a6 19. Bxf6 gxf6 20. Nd4 Be4
21. Kf2 b5 22. Bf1 Rd8 23. Rc1 $16) 17... Nbd7 18. Rxf3 O-O 19. Bb2 {, and
despite his extra pawn and obviously much better position, White nonetheless
still failed to win in San Segundo Carrillo, P-Larino Nieto, D/Ayamonte 2007})
1... c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bc5 7. N5c3 O-O 8.
g3 Qb6 ({We have previously discussed this line in our June update in
connection with the game Korchnoi-D.Gurevich. Of the alternatives at this
juncture:} 8... Ng4 {was discussed in detail in the notes to Korchnoi-Gurevich,
and}) (8... e4 {can also be found in the PGN archives under the games
Horvath-Basagic, Izmir 2004 and Ramirez-Yurtaev, Moscow 2003}) 9. e3 Bg4 10.
Be2 (10. f3 $6 Bd7 (10... Bxe3 $2 11. fxg4 Bf2+ (11... Nxg4 12. Bxe3 Nxe3 13.
Qd2 $16) 12. Ke2 Nxg4 13. h3 Bxg3 14. hxg4 Qf2+ 15. Kd3 Nc6 {1-0 Varga,
Z-Rovid, K/HUN 1995} 16. Qe2 $1 Nb4+ 17. Kc4 Qb6 18. Qe3 Nc2 19. Qxb6 axb6 20.
Bd3 $1 Nxa1 21. Bxh7+ Kh8 22. Be3 Rfe8 23. Nd2 Bf4 24. Bxf4 exf4 25. Be4+ Kg8
26. Rxa1 $18) 11. Qe2 (11. Qd3 Na6 12. a3 e4 13. Nxe4 Nxe4 14. fxe4 Bd6 15. Nc3
{Kotenko, G-Spitz, P/corr ICCF 1997} Nc5 16. Qd4 Rfe8 {, and Black clearly has
the upper hand}) 11... e4 12. fxe4 Ng4 13. Na3 Bxa3 (13... Bxe3 14. Bxe3 Nxe3
15. Nc4 Nxc4 16. Qxc4 Na6 17. O-O-O Bg4 18. Rd2 Bf3 19. Bg2 $14) 14. bxa3 Rc8 (
14... Ne5 $5 15. Rb1 Qf6 16. Bg2 Na6 {and Black has excellent compensation for
the pawns}) 15. Bd2 Ne5 16. Qf2 (16. Qh5 $5 f6 17. Be2 {can also be considered}
) 16... Na6 17. Rb1 Qa5 18. Qf4 f6 {, and White is in serious trouble,
Tverdohlebov, V-Foigel, I/Kharkov 1980}) 10... Bxe2 ({This is the best move as
indicated in the notes Korchnoi-Gurevich, which instead continued with} 10...
Bh3 {for further details on this, check out the June 2007 update. However, if
Black doesn't have any improvements prior to Aronian's novelty on move 17,
then Black may be in trouble in this line.}) 11. Qxe2 e4 12. a3 ({The
alternatives are} 12. O-O) (12. Nd2) (12. g4) (12. Qb5 {, and these are all
discussed in the notes to the Korchnoi-Gurevich game that I have referred to a
couple of times}) 12... Nbd7 13. Nd2 Rfe8 14. b4 Bf8 15. O-O (15. Nc4 {leads
to fairly even chances as pointed out in the notes to Korchnoi-Gurevich.}) ({
However,} 15. Bb2 {is a new development since the June update the game
continued with} Rac8 (15... a5 $5 16. Nc4 Qd8 17. bxa5 ({White can also hand
the pawn back to Black with} 17. O-O $5 axb4 18. axb4 Rxa1 19. Rxa1 Bxb4 20.
Rd1 {, and White has the better chances thanks to his better coordinated pieces
}) 17... Ne5 {can lead to massive exchanges down to an uncomfortable endgame
for Black, e.g.} 18. Nxe5 Rxe5 19. O-O Nxd5 20. Nxd5 Rxd5 21. Qc4 Rdxa5 22.
Qxe4 Bxa3 23. Rfd1 Qf8 24. Bxa3 Rxa3 25. Rxa3 Rxa3 26. Qxb7 Ra8 {, which Black
should be able to hold, but it is certainly not the kind of fun he was hoping
for when he threw 4...e5 on the board}) 16. O-O a5 $6 (16... Qd8 17. Rac1 Nb6
18. f3 (18. Nb5 a6 19. Rxc8 Nxc8 20. Nc3 Nb6 21. Rd1 Qd7 22. Nc4 Qh3 23. Nd2
Ng4 24. Nf1 $14) 18... exf3 19. Qxf3 Nbxd5 20. Nxd5 Qxd5 21. Rxc8 Rxc8 22. Bxf6
Qxd2 23. Bd4 Rc7 24. Qf4 Rd7 25. Bxa7 $16) 17. Nc4 Qc7 18. Nxa5 Ne5 19. Nb5 (
19. Rfd1 Qd7 20. Kg2 b6 21. Nb3 {, and Black has some compensation for the
pawns, but it shouldn't be quite enough for two pawns...} Nc4 22. Rac1 Re5)
19... Qd7 20. Bxe5 Rxe5 21. Nd4 Rxd5 22. Nc4 Qh3 23. Nd2 (23. f4 $5 exf3 24.
Rxf3 {is probably a better way to go about it, leaving White with an edge,
although Black has compensation for his pawn}) 23... Ng4 24. f3 exf3 25. N2xf3
Re8 26. Nc2 $6 (26. e4 $5) 26... g6 {, and at this juncture Black has full
compensation for the sacrificed pawn, Kharashuta, E-Muzychuk, A/Sochi 2007})
15... Qc7 16. Bb2 Nb6 17. Nb5 $1 $146 ({This is Aronian's novelty. Previously
White had tried} 17. Rac1 Qd7 18. Kg2 Nbxd5 19. Nxd5 Nxd5 {with equal chances,
Lainburg, V-Rotshtein, E/Arco 2001}) 17... Qd7 18. d6 $5 ({The alternative is} 
18. Bxf6 gxf6 19. d6 Re5 (19... Bxd6 $2 20. Rad1 $1 $18) 20. a4 a6 21. Nc3 f5
22. a5 Nd5 23. Nxd5 Rxd5 24. Nc4 Qb5 25. Rfe1 Rd8 (25... Bxd6 $2 26. Nb6 $18)
26. Qh5 h6 (26... Bxd6 $2 27. Qg5+ $18) 27. Rac1 $16) 18... Nfd5 19. Rac1 Bxd6
20. Nxd6 Qxd6 21. Rfd1 (21. Qg4 $5 Qg6 22. Qxg6 hxg6 23. Rfd1 {, and White has
a solid positional advantage}) 21... Qe6 (21... Qg6 $5) 22. Nb3 Nf4 ({Sutovsky
most likely regretted this decision after the game, but during the game in
probably looked like an attractive option, but it allows White a strong attack.
The alternative is} 22... Qf5 {, but after} 23. Bd4 Rad8 24. Nc5 Re7 25. Qb2
Qg4 26. a4 f6 27. Qb3 $16 {White is control of the game.}) 23. gxf4 $1 Qxb3 24.
Kh1 $1 Qe6 25. Rg1 f6 26. Qh5 Nd5 (26... Re7 27. Rg3 Nd7 28. Bd4 Rd8 29. Rcg1 {
is somewhat similar to the game, and quite unpleasant for Black, the best
defence for Black again involves placing the king on h8 and the queen on g8.})
27. Rg3 Kh8 28. Rcg1 Re7 29. Rh3 Qg8 30. Qf5 Rf8 31. Bd4 {Black is stuck with
a very passive position where there is no counterplay to be found and
therefore as the proverbial sitting duck, waiting for White to either catch up
to him or let him slip away. Aronian does the former.} b6 32. Rg4 Rc7 33. Rh5
Ne7 34. Qxe4 Rf7 35. Rg1 g6 (35... f5 36. Qg2 Nc6 37. Bb2 Ne7 38. b5 Rc5 39. a4
Rc4 40. f3 Rc7 (40... Rxa4 $2 41. Rg5 Ng6 42. Qh3 {and it is game over for
Black}) 41. Be5 Rd7 42. e4 {, and Black is completely tied up and cannot
provide any decent defence to White's gradually improving position, e.g.} Rb7 (
42... fxe4 43. fxe4 Nc8 44. Qh3 Rde7 (44... Rfe7 $2 45. Rxg7 Rxg7 46. Qxd7) 45.
Rg4 Rxe5 46. Rxh7+ Qxh7 47. Rh4 Qxh4 48. Qxh4+ Kg8 49. fxe5 $18) 43. Qh3 a5 44.
Rhg5 Ra7 45. Qh6 Nc8 46. exf5 {- a picturesque position}) 36. Re5 $5 (36. f5 $1
{also wins, but perhaps only in a more sophisticated fashion judge for
yourself:} gxh5 37. Rxg8+ Kxg8 38. b5 Rd7 39. Qe6 Nd5 40. a4 Kf8 41. Bb2 Nc7
42. Qc6 Ne8 43. Kg2 Rd8 44. Kf3 {, and White is tightly squeezing Black while
constantly improving his own position. However, this is not how you normally
play when both players are in time trouble}) 36... Nc6 $4 (36... Qc8 {is of
course better, but hardly inspiring confidence:} 37. Re6 Ng8 38. Re8 Qb7 39.
Qxb7 Rxb7 40. Rc1 $18) 37. Re8 1-0

[Event "Interzonal"]
[Site "Palma de Mallorca"]
[Date "1970.12.06"]
[Round "19"]
[White "Reshevsky, Samuel Herman"]
[Black "Polugaevsky, Lev"]
[Result "1-0"]
[ECO "A32"]
[Annotator "Kasparow vk6 108"]
[PlyCount "65"]
[EventDate "1970.??.??"]
[EventRounds "23"]
[EventCountry "ESP"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. Nc3 Bb4 6. Ndb5 O-O (6... d5) 7.
a3 Bxc3+ 8. Nxc3 d5 9. Bg5 h6 10. Bh4 (10. Bxf6 Qxf6 11. cxd5 exd5 12. Qxd5 Rd8
$15) 10... g5 (10... d4 11. Ne4 g5 12. Nxf6+ Qxf6 13. Bg3 e5 $13) 11. Bg3 d4
12. Nb5 Nc6 13. e3 dxe3 14. fxe3 e5 15. Bd3 Bg4 (15... Ng4 {Kasparow}) 16. Qc2
e4 17. Be2 Qa5+ 18. Kf2 Bxe2 19. Kxe2 Rac8 20. Nd6 Ra8 21. Rad1 Nh5 22. Be1 Qb6
23. g4 Nf6 24. Bc3 Nxg4 25. Qxe4 f5 26. Qe6+ Kh7 27. Nxf5 Nce5 28. Rd7+ Nxd7
29. Qxd7+ Kg6 30. h4 h5 31. Ne7+ Kh6 32. hxg5+ Kxg5 33. Qd5+ 1-0

[Event "Grand Slam Final"]
[Site "Bilbao"]
[Date "2008.09.02"]
[Round "1"]
[White "Aronian, Levon"]
[Black "Carlsen, Magnus"]
[Result "0-1"]
[ECO "E00"]
[WhiteElo "2737"]
[BlackElo "2775"]
[PlyCount "102"]
[EventDate "2008.09.02"]
[EventRounds "10"]
[EventCountry "ESP"]
[EventCategory "21"]
[Source "ChessBase"]
[SourceDate "2008.10.01"]

1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. g3 Bb4+ 6. Nd2 Nc6 7. Nc2 Be7 8.
Bg2 O-O 9. O-O Rb8 (9... d5 10. cxd5 Nxd5 {[%eval 0,19] Deep Rybka 4 x64/
Blackborn}) (9... d5 10. b3 d4 {[%eval -12,24] Stockfish 5/ErnstH}) (9... d5
10. cxd5 {[%eval 0,26] Stockfish 301114/Pacificrabbit}) 10. Ne4 b5 (10... Nxe4
11. Bxe4 f5 {[%eval 0,21] Deep Fritz 14 x64}) 11. cxb5 (11. Nxf6+ Bxf6 12. c5 {
[%eval 24,25] Stockfish 5/ErnstH}) (11. Nxf6+ Bxf6 12. c5 {[%eval 18,24]
Houdini 3 x64/Clare}) (11. Nxf6+ Bxf6 {[%eval 14,26] Stockfish 301114/
Pacificrabbit}) 11... Rxb5 12. Nd6 Bxd6 (12... Rb6 13. b3 Ba6 {[%eval 9,23]
Komodo 8/Clare}) (12... Rb6 13. b3 Ba6 {[%eval 12,27] Stockfish 5/ErnstH}) (
12... Rb8 13. b3 {[%eval 6,29] Stockfish 301114/Pacificrabbit}) 13. Qxd6 Bb7
14. Na3 (14. Rd1 Rb6 15. Be3 {[%eval 18,23] Deep Fritz 13/Pacificrabbit}) (14.
Rd1 h6 15. b3 {[%eval 40,26] Stockfish 5/ErnstH}) (14. Rd1 Rb6 15. Qa3 {[%eval
46,26] Stockfish 5 SE}) 14... Rb6 15. Be3 (15. Nc4 Ra6 16. Bd2 Ne7) 15... Rxb2
16. Bc5 Re8 17. Rab1 (17. Nc4 Rxe2 18. Qd1 {[%eval 33,30] Stockfish 5/ErnstH})
(17. Nc4 Rxe2 18. Qd3 {[%eval 33,25] Komodo 7/Pacificrabbit}) (17. Nc4 Rxe2 18.
Qd1 {[%eval 50,28] Deep Fritz 13/Pacificrabbit}) 17... Rxb1 18. Rxb1 Ba6 19.
Nb5 Bxb5 20. Rxb5 Qc8 21. a4 (21. Bxc6 dxc6 22. Ra5 {[%eval 0,30] Stockfish
301114/Pacificrabbit}) (21. Be3 h6 22. Rc5 {[%eval 0,29] Stockfish 5 SE/Micant}
) 21... h6 22. Ba3 (22. Rb2 Qa6 23. Bxc6 {[%eval -5,30] Stockfish 5/ErnstH}) (
22. e4 e5 23. f3 {[%eval -3,30] Stockfish 030814 SE/Lion}) (22. h4 a6 23. Rb1 {
[%eval -8,29] Stockfish 2.3.1/Clare}) 22... Qa6 (22... a6 23. Rc5 Qb8 {[%eval
-12,30] Stockfish 5/ErnstH}) (22... a6 23. Rb1 Na5 {[%eval 0,32] Stockfish
301114/Pacificrabbit}) (22... a6 23. Rc5 Qb7 {[%eval -20,32] Stockfish 5 x64/
Blackborn}) 23. Bb2 (23. Qd1 d5 24. Bb2 {[%eval -21,30] Stockfish 5/ErnstH}) (
23. Qd1 d5 24. Bb2 {[%eval -6,30] Stockfish 301114/Pacificrabbit}) (23. Qd1 d5
24. Bb2 {[%eval -6,25] Komodo 6/ Clare}) 23... Qxa4 24. Bxc6 dxc6 25. Rb4 Qa5 (
25... Qc2 26. Bxf6 gxf6 {[%eval -28,33] Stockfish 5/ErnstH}) 26. Bxf6 gxf6 27.
Rg4+ (27. Qd2 Qc5 28. Rg4+ {[%eval -38,29] Stockfish 301114/Pacificrabbit})
27... Kh7 28. Qxc6 Rd8 29. Qc2+ $6 (29. Ra4 Qe1+ (29... Qb6 30. Qc2+ f5 31. e4)
30. Kg2 Rd1 31. Qc7) 29... f5 $17 30. Ra4 $6 (30. Kg2 Rd1 31. Qxd1 {[%eval
-118,31] Stockfish 5/ErnstH}) (30. Kg2 Rd2 31. Ra4 {[%eval -87,28] Komodo 8/
Blackborn}) (30. Kg2 Qd5+ 31. e4 {[%eval -111,35] Stockfish 170514 SE/Lion})
30... Qe1+ $19 31. Kg2 Rd1 32. Qc7 Kg6 33. Kf3 (33. Rxa7 Qf1+ 34. Kf3 Qh1+ 35.
Ke3 Qe4#) 33... Qh1+ (33... Ra1 34. Rxa1 Qxa1 {[%eval -218,30] Stockfish
301114/Pacificrabbit}) (33... Rd2 34. Kg2 Qxe2 {[%eval -174,24] Komodo 6/
Blackborn}) 34. Ke3 Ra1 (34... Rb1 35. Qc4 Qe1 {[%eval -195,26] Stockfish 5/
ErnstH}) (34... Rb1 35. Qc4 Qe1 {[%eval -222,27] Stockfish 4/ Kaos_00}) 35. Qc2
(35. Rxa1 Qxa1 36. Qc8 {[%eval -158,27] Stockfish 5/ErnstH}) (35. Rxa1 Qe4+ 36.
Kd2 {[%eval -141,27] Stockfish 4/Kaos_00}) 35... Rxa4 (35... Rc1 36. Qb2 Qc6 {
[%eval -219,26] Stockfish 5/ErnstH}) (35... Qe1 36. Rg4+ {[%eval -167,27]
Stockfish 301114/Pacificrabbit}) (35... a5 36. Rg4+ Kh7 {[%eval -184,20] Deep
Rybka 4 x64/Blackborn}) 36. Qxa4 Qc1+ (36... Qe1 37. Qc4 a5 {[%eval -147,23]
Komodo 8/Gilbrin}) (36... Qe1 37. Qc2 a5 {[%eval -172,30] Stockfish 5/ErnstH})
37. Kf3 (37. Kd3 Qb1+ 38. Kd2 {[%eval -152,19] Deep Rybka 4 w32/Clare}) (37.
Kd3 Qb1+ 38. Kd2 {[%eval -136,30] Stockfish 5/ErnstH}) (37. Kd3 Qb1+ 38. Kd2 {
[%eval -125,23] Deep Fritz 13/Pacificrabbit}) 37... Qc3+ (37... Qh1+ 38. Ke3
Qe1 {[%eval -184,31] Stockfish 5 SE/Kaos_00}) 38. Kg2 (38. e3 a5 39. Ke2 {
[%eval -224,32] Stockfish 301114/Pacificrabbit}) (38. e3 a5 39. g4 {[%eval
-205,29] Stockfish 5/ErnstH}) 38... a5 39. g4 (39. e4 Qb4 40. exf5+ {[%eval
-262,36] Stockfish 6/JML26}) (39. Kf1 Qb4 40. Qxb4 {[%eval -234,28] Stockfish
5/ErnstH}) (39. e4 Qb4 {[%eval -278,29] Stockfish 301114/ Pacificrabbit}) 39...
Qe5 $6 (39... Qb4 40. gxf5+ exf5 {[%eval -364,36] Stockfish 301114/
Pacificrabbit}) (39... Qb4 40. gxf5+ Kxf5 {[%eval -314,28] Stockfish 5/ErnstH})
(39... Qb4 40. gxf5+ exf5 {[%eval -267,24] Houdini 4 x64}) 40. gxf5+ $17 Kxf5 (
40... exf5 41. Kg1 Qc3 {[%eval -214,28] Stockfish 5/ErnstH}) (40... exf5 41.
Kg1 Qc3 {[%eval -154,24] Deep Fritz 14 x64/mcamacho}) (40... Qxf5 41. h4 Qc5 {
[%eval -215,29] Stockfish 301114/Pacificrabbit}) 41. Qe8 (41. Kf1 Kg6 42. f3 {
[%eval -130,21] Deep Rybka 4 w32/Clare}) (41. Kf1 Kg6 42. f3 {[%eval -168,29]
Stockfish 5/ErnstH}) (41. Kf1 Kg6 {[%eval -157,32] Stockfish 301114/
Pacificrabbit}) 41... Kg6 (41... Qe4+ 42. Kg1 Kg6 {[%eval -118,21] New Engine/
Immel}) (41... Qe4+ 42. Kg1 Kg6 {[%eval -203,31] Stockfish 5 SE/Kaos_00}) 42.
Qf8 (42. Qg8+ Qg7 {[%eval -201,27] Komodo 8/rich1chess}) (42. e3 Qe4+ 43. Kf1 {
[%eval -212,26] Stockfish 5/ErnstH}) (42. Qg8+ Qg7 43. Qe8 {[%eval -170,18]
Deep Rybka 4 w32/Clare}) 42... a4 43. e3 $6 (43. h3 Qb2 44. Qg8+ {[%eval -245,
20] Deep Rybka 4.1 x64/Benjamin Händel}) (43. h3 Qa5 44. Qg8+ {[%eval -304,26]
Stockfish 5/ErnstH}) (43. h3 Qb2 44. Qg8+ {[%eval -308,25] Komodo 7/ Blackborn}
) 43... Qe4+ $19 (43... Qa5 44. e4 a3 {[%eval -530,32] Stockfish 5/ ErnstH}) (
43... Qd5+ 44. Kg3 Qd3 {[%eval -338,19] Rybka 3/Pacificrabbit}) 44. Kg3 (44.
Kf1 Qd3+ {[%eval -550,28] Komodo 8/Clare}) (44. Kf1 Qd3+ 45. Ke1 {[%eval -363,
31] Stockfish 5/ErnstH}) 44... Qd3 45. h4 (45. Qg8+ Kf6 46. Qh8+ {[%eval -903,
29] Stockfish 5/ErnstH}) 45... a3 46. Kh2 (46. h5+ Kxh5 47. Kh2 {[%eval -912,
29] Stockfish 4/Kaos_00}) (46. Qa8 Qd6+ 47. f4 {[%eval -870,28] Stockfish 5/
ErnstH}) (46. h5+ Kxh5 {[%eval -447,22] Houdini 1.5 x64/Clare}) 46... Qf5 (
46... a2 47. h5+ Kf6 {[%eval -1081,23] Komodo 8/NYTed}) (46... a2 47. h5+ Kf6 {
[%eval -3021,30] Stockfish 5/ErnstH}) (46... a2 47. h5+ Kf6 {[%eval -1113,19]
Deep Rybka 4 w32/Clare}) 47. Qxa3 Qxf2+ 48. Kh3 Qf3+ 49. Kh2 Kh5 50. Qf8 (50.
Qc3 Kxh4 51. Qd4+ {[%eval -322,22] Deep Rybka 4 x64/Clare}) (50. Qb3 Kxh4 51.
Qb4+ {[%eval -1093,34] Stockfish 5/ErnstH}) (50. Qc5+ Kxh4 {[%eval -1253,32]
Stockfish 301114/Pacificrabbit}) 50... Qf2+ 51. Kh1 (51. Kh3 Qxe3+ 52. Kg2 {
[%eval -1086,26] Deep Rybka 4 x64/Clare}) (51. Kh3 Qxe3+ 52. Kg2 {[%eval
-12333,37] Stockfish 301114/Pacificrabbit}) (51. Kh3 Qxe3+ 52. Kg2 {[%eval
-1272,34] Stockfish 5/ErnstH}) 51... Kg4 (51... Kg4 52. e4 Kh3 53. Qa3+ {
[%eval -32725,45] Stockfish 301114/Pacificrabbit}) (51... Kg4 52. e4 Kh3 53.
Qa3+ {[%eval -1185,22] Houdini 4 w32/Pebbe}) (51... Kg4 52. e4 Kh3 53. Qa3+ {
[%eval -10180,37] New Engine}) 0-1

[Event "URS"]
[Site "Soviet Union"]
[Date "1982.??.??"]
[Round "?"]
[White "Taimanov, Mark E"]
[Black "Jussupow, Artur"]
[Result "0-1"]
[ECO "A31"]
[PlyCount "84"]
[EventDate "1982.??.??"]
[EventCountry "URS"]
[Source "ChessBase"]
[SourceDate "2009.11.30"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 b6 5. Nc3 Bb7 6. f3 e6 7. e4 d6 8. Be2
a6 9. Be3 Nbd7 10. O-O Be7 11. Qd2 O-O 12. Rfd1 Rc8 13. Rac1 Qc7 14. Bf1 Rfe8
15. Kh1 Qb8 16. Qf2 Bd8 17. Nb3 Bc7 18. Qg1 Kh8 19. Rc2 Rg8 20. Rcd2 g5 21. Bd4
Rg6 (21... g4 22. Be2 gxf3 {[%eval 30,16] Deep Rybka 4 x64/Clare}) (21... g4
22. f4 Rg6 {[%eval -12,25] Stockfish 5/ErnstH}) 22. Nc1 (22. g4 Kg7 23. Rg2 {
[%eval 18,22] Stockfish 5/ErnstH}) 22... Rcg8 (22... g4 23. f4 d5 {[%eval -16,
26] Stockfish 4/Kaos_00}) (22... g4 23. Be2 e5 {[%eval -20,26] Stockfish 5/
ErnstH}) (22... g4 23. f4 g3 {[%eval 18,20] Deep Fritz 14 x64/Clare}) 23. Nd3 (
23. g4 Ne5 24. Qe3 {[%eval 17,26] Stockfish 5/ErnstH}) (23. g4 h5 24. gxh5 {
[%eval 17,20] Komodo 8/NYTed}) (23. g4 Ne5 24. Qe3 {[%eval 11,27] Stockfish 5
SE/Clare}) 23... Qf8 (23... g4 24. Be2 Qf8 {[%eval 0,22] Houdini 4 x64}) (23...
g4 24. Be2 Rh6 {[%eval -42,30] Stockfish 301114/Pacificrabbit}) (23... g4 24.
Be2 Rh6 {[%eval 0,27] Stockfish 5/ErnstH}) 24. Re1 $6 (24. g3 h5 25. Bg2 {
[%eval 29,24] Houdini 4 x64}) (24. g4 Qe7 25. b3 {[%eval 66,23] Stockfish 5/
ErnstH}) (24. g4 Qg7 25. Bg2 {[%eval 55,24] Stockfish 5 x64/Blackborn}) (24.
Nf2 e5 25. Be3 g4 26. fxg4 Nxg4 27. Nxg4 Rxg4 28. Qf2) 24... g4 $17 25. fxg4 (
25. Be2 d5 26. f4 {[%eval -55,21] Houdini 4 x64}) (25. Bxf6+ Rxf6 26. f4 {
[%eval -46,26] Stockfish 4/Kaos_00}) (25. Bxf6+ Rxf6 26. fxg4 {[%eval -89,26]
Stockfish 5/ErnstH}) 25... e5 26. Be3 Nxg4 27. Nd5 (27. Nb4 Ndf6 28. Nbd5 {
[%eval -115,24] Stockfish 5/ErnstH}) (27. Nb4 Ndf6 28. g3 {[%eval -93,20]
Komodo 8/Jorasch}) (27. Nb4 Ndf6 28. Nbd5 {[%eval -185,27] Stockfish 111113 SE/
bking_US}) 27... Bd8 (27... Ndf6 28. Nxc7 Nxe4 {[%eval -180,28] Stockfish
261114/Pacificrabbit}) (27... Ndf6 28. h3 b5 {[%eval -280,30] Stockfish 111113
SE/bking_US}) 28. Nf2 (28. Rdd1 Bh4 29. Nf2 {[%eval -144,26] Stockfish 5/ErnstH
}) 28... Bh4 (28... Bxd5 29. Rxd5 {[%eval -155,25] Komodo 8/Clare}) (28... Bxd5
29. Rxd5 Nxe3 {[%eval -170,22] Houdini 4 x64}) 29. Ree2 (29. Rde2 Bxf2 30. Bxf2
{[%eval -131,25] Stockfish 5/ErnstH}) (29. Rde2 Bxf2 30. Bxf2 {[%eval -42,16]
Deep Rybka 4 w32/Clare}) (29. Rde2 Bxf2 30. Rxf2 {[%eval -166,22] Houdini 4 x64
}) 29... Nxe3 30. Nxe3 (30. Rxe3 Bg5 31. Nd1 {[%eval -203,26] Deep Fritz 13/
Blackborn}) (30. Rxe3 Bg5 31. Nd1 {[%eval -179,25] Stockfish 5 SE}) 30... Bxf2
31. Qxf2 Bxe4 32. Nf5 (32. Qe1 f5 33. Nd5 {[%eval -177,22] Houdini 4 x64}) (32.
Qe1 f5 {[%eval -211,28] Stockfish 261114/Pacificrabbit}) (32. b4 f5 33. Nd5 {
[%eval -191,25] Stockfish 5/ErnstH}) 32... Nc5 33. Ng3 (33. Nh4 Rh6 34. Re3 {
[%eval -199,15] Deep Rybka 4 w32/Clare}) 33... Ba8 $6 (33... Bd3 34. Re1 Bxf1 {
[%eval -280,32] Stockfish 5 SE/Kaos_00}) (33... Bd3 34. Re3 Bxf1 {[%eval -277,
29] Stockfish 5/ErnstH}) (33... Bd3 34. Re3 Bxf1 {[%eval -270,30] Stockfish 5
x64/Blackborn}) 34. Rd1 (34. b4 Ne6 35. Qxb6 {[%eval -121,29] Stockfish 5/
ErnstH}) (34. b4 Ne6 35. Qxb6 {[%eval -120,30] Stockfish 5 SE/Tennistoody}) (
34. Kg1 a5 35. Re1 {[%eval -96,20] Houdini 4 x64}) 34... Ne6 (34... f5 35. Qxf5
Rf6 {[%eval -188,19] Deep Rybka 4 x64/Clare}) (34... f5 35. Qxf5 Rf6 {[%eval
-258,29] Stockfish 5/ErnstH}) (34... f5 35. Qxf5 Rf6 {[%eval -203,18] Houdini
4 x64}) 35. Qxb6 Nf4 36. Rf2 (36. Red2 Qg7 37. Qf2 {[%eval -192,29] Stockfish
5/ErnstH}) (36. Red2 Qg7 {[%eval -161,23] Houdini 3 x64}) (36. Red2 Qg7 37. Qf2
{[%eval -114,23] Komodo 6/Clare}) 36... Qh6 (36... Qe7 37. Rdd2 Nh3 {[%eval
-188,29] Stockfish 5/ErnstH}) (36... Nh3 37. Rfd2 f5 {[%eval -154,20] Deep
Fritz 14 x64}) 37. Kg1 Qh4 $2 (37... d5 38. Qc7 Qg5 {[%eval -155,29] Stockfish
5/ErnstH}) (37... f5 38. Rxf4 Qxf4 {[%eval -132,23] Houdini 3 x64}) (37... d5
38. Qc7 {[%eval -110,22] Deep Fritz 14 x64/Pacificrabbit}) 38. Qb3 $4 (38. Rxd6
Rxg3 39. hxg3 Nh3+ 40. gxh3 Qxg3+ 41. Rg2 Bxg2 42. Qf2 (42. Qf2 Bxf1+ 43. Qxg3
Rxg3+ {[%eval 46,33] Stockfish 5/ErnstH})) 38... Rh6 $19 39. Rxf4 (39. Rf3
Qxh2+ 40. Kf2 {[%eval -1167,12] Houdini 3 x64}) 39... exf4 (39... Qxh2+ 40. Kf2
exf4 {[%eval -1601,18] Houdini 4 x64}) (39... Qxh2+ 40. Kf2 exf4 {[%eval -1453,
17] Houdini 1.5 x64}) 40. Qc3+ (40. h3 Rxg3 41. Rd3 {[%eval -909,13] Houdini 3
x64}) 40... f6 41. Nf5 (41. Kf2 Qxh2 42. Ke1 {[%eval -1596,28] Stockfish 5/
ErnstH}) (41. Kf2 Qxh2 42. Ke1 {[%eval -1155,19] Stockfish 6}) (41. Kf2 Qxh2
42. Ke1 {[%eval -1265,13] Houdini 4 x64}) 41... Rxg2+ $1 42. Bxg2 Qxh2+ (42...
Qxh2+ 43. Kf2 Qxg2+ 44. Ke1 {[%eval -32763,7] Fritz 13}) (42... Qxh2+ 43. Kf2
Qxg2+ 44. Ke1 {[%eval -32763,33] Houdini 1.5 x64}) (42... Qxh2+ 43. Kf1 Qxg2+
44. Ke1 {[%eval -32763,120] Stockfish 5/ErnstH}) 0-1

[Event "13th Sants Open"]
[Site "Barcelona ESP"]
[Date "2011.08.24"]
[Round "6"]
[White "Burg, T."]
[Black "Cordova, E."]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2450"]
[BlackElo "2567"]
[PlyCount "80"]
[EventDate "2011.08.19"]
[EventRounds "10"]
[EventCountry "CAT"]
[Source "Mark Crowther"]
[SourceDate "2011.08.29"]

1. e4 c5 2. Nf3 a6 3. c4 e6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 Bb4 7. Bd2 Qc7 8. a3
Be7 9. Be3 d6 10. Be2 b6 11. Rc1 O-O 12. O-O Bb7 13. f3 Nbd7 14. b4 Rac8 15.
Qb3 (15. Na4) 15... Qb8 16. Rfd1 Kh8 17. Bf1 Rg8 18. Qa2 g5 19. h3 h5 20. Qd2
g4 21. hxg4 hxg4 22. Bg5 (22. f4) 22... gxf3 23. Nxf3 Rg6 24. Qf4 Rcg8 25. Qh4+
Kg7 26. Bd3 Rh8 27. Qf4 Nh5 28. Qe3 Bxg5 29. Nxg5 Ne5 30. Be2 Qd8 31. Nh3 Ng3
32. Nf4 Rh1+ 33. Kf2 Nf5 34. Rxh1 (34. exf5 Qh4+ 35. g3 Qh2+) 34... Nxe3 35.
Nxg6 N3g4+ 36. Bxg4 Nxg4+ 37. Kg3 Qg5 38. Rh4 Ne5+ 39. Kh3 Nxg6 40. Rd1 Qxh4#
0-1

[Event "Exhibition Game"]
[Site "Siegen"]
[Date "1970.09.??"]
[Round "?"]
[White "Fischer, Robert James"]
[Black "Andersson, Ulf"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "85"]
[EventDate "1970.09.??"]
[EventType "game"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

{Diese Partie wurde von der schwedischen Zeitung "Expressen" gesponsort.} 1. b3
e5 2. Bb2 Nc6 3. c4 Nf6 4. e3 Be7 (4... d5 5. cxd5 Nxd5 6. a3 Bd6 7. Qc2 O-O 8.
Nf3 Qe7 9. Nc3 (9. d3 f5 10. Nbd2 Kh8 11. Nc4 Bd7 12. Be2 Rae8 13. O-O Rf6 {
Stein-Brinck_Claussen, 1987} 14. g3 $13) 9... Nxc3 10. Qxc3 f5 11. Bb5 e4 12.
Bxc6 bxc6 13. Ne5 c5 14. b4 cxb4 15. axb4 Bb7 16. Ra4 a6 17. O-O f4 18. exf4
Rxf4 19. b5 axb5 20. Rxa8+ Bxa8 21. Qb3+ Kh8 22. Qxb5 Rf8 23. h3 Qe8 24. Qxe8
$10 {Larsen,B-Spassky,B/Leiden/1970/0.5 (34)}) 5. a3 O-O (5... a5 $146 {Horn}
6. Nf3 d6 $10) 6. Qc2 (6. d3 d5 7. cxd5 Qxd5 8. Nc3 Qd6 9. Nf3 Bf5 10. Qc2 Rfd8
(10... Rad8 $5) 11. Rd1 h6 12. h3 Qe6 13. Nd2 Nd7 14. Be2 {Fischer-Tukmakov/
Buenos Aires/1970} Qg6 $1 $13) 6... Re8 7. d3 (7. b4 $5) 7... Bf8 8. Nf3 a5 (
8... g6 9. b4 d6 10. Be2 Bg7 11. O-O $14) 9. Be2 d5 $6 (9... g6) 10. cxd5 Nxd5
11. Nbd2 f6 (11... g6 12. O-O Bg7 13. Rac1 $14) 12. O-O Be6 13. Kh1 $1 Qd7 14.
Rg1 $36 Rad8 15. Ne4 Qf7 16. g4 g6 17. Rg3 $16 Bg7 (17... Nb6 18. g5 $1 $40)
18. Rag1 Nb6 19. Nc5 Bc8 20. Nh4 Nd7 $6 (20... Kh8 $5) 21. Ne4 Nf8 22. Nf5 $1
Be6 (22... Bxf5 23. gxf5 g5 24. Nxg5 fxg5 25. Rxg5 $18 {[%cal Re2h5]}) (22...
gxf5 23. gxf5 Bxf5 (23... Kh8 24. Rxg7 Qxg7 25. Rxg7 Kxg7 26. Bg4 {[%cal Rf2f4]
/\f4->}) 24. Rxg7+ Qxg7 25. Nxf6+) 23. Nc5 Ne7 $6 (23... Bc8 $5) 24. Nxg7 Kxg7
25. g5 $40 Nf5 (25... fxg5 26. Rf3 Nf5 27. e4 (27. Bxe5+ Kg8 28. Ne4 $5 Nd7 29.
Nxg5 $18)) 26. Rf3 b6 27. gxf6+ $1 Kh8 (27... Qxf6 28. Ne4 $18) 28. Nxe6 Rxe6
29. d4 exd4 30. Bc4 d3 31. Bxd3 Rxd3 (31... Red6 32. Bc4 $1 $18 (32. Bxf5 $1
Rd2 (32... gxf5 33. Rg7 Qd5 34. f7 h6 35. Rgg3+ Kh7 36. Qc3 $18) 33. Qc3 c5 34.
Ba1 $18 {PS})) 32. Qxd3 Rd6 33. Qc4 Ne6 34. Be5 (34. Rxf5 $1 gxf5 35. Rg7 Qf8 (
35... Qh5 36. f7 Qf3+ 37. Rg2+ $18) 36. Qxe6 $1 (36. Rxc7 $18) 36... Qa8+ (
36... Rxe6 37. f7 $1 $18) 37. e4 Rxe6 38. f7 Qxe4+ 39. Rg2+ Qe5 40. f8=R#)
34... Rd8 35. h4 (35. Rxf5 gxf5 36. Rg7 Qh5 37. Rd7 $1 (37. Qxe6 $4 Qf3+ 38.
Kg1 Rd1#) 37... Qf3+ 38. Kg1 Rg8+ 39. Kf1 Qg2+ 40. Ke2 Qg4+ 41. Qxg4 fxg4 42.
Re7 $18) 35... Nd6 36. Qg4 Nf8 37. h5 Ne8 38. e4 Rd2 (38... gxh5 39. Qg8+ Qxg8
40. Rxg8+ Kxg8 41. f7#) 39. Rh3 Kg8 40. hxg6 Nxg6 41. f4 Kf8 42. Qg5 Nd6 43.
Bxd6+ (43. Bxd6+ Rxd6 44. f5 Qxf6 (44... Nh8 45. e5 Qd5+ 46. Rg2 Rd7 47. Rd3
$18) 45. fxg6 (45. Qxf6+ Rxf6 46. fxg6 hxg6 47. e5 Re6 48. Rh7) 45... Qxg5 46.
gxh7 Qe5 47. h8=Q+ $18 {PS}) 1-0

[Event "Zuerich"]
[Site "Zürich"]
[Date "1959.??.??"]
[Round "?"]
[White "Nievergelt, Erwin"]
[Black "Keres, Paul"]
[Result "1/2-1/2"]
[ECO "C85"]
[Annotator "Bulletin"]
[PlyCount "114"]
[EventDate "1959.05.19"]
[EventCountry "SUI"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. d3 (7. Qe1
{Keres-Blau/Zürich/1959}) 7... Nd7 (7... Bg4 8. h3 Bxf3 {Kupper-Keller/Zürich/
1959}) 8. Nbd2 O-O 9. Nc4 f6 (9... Bf6 10. b3 c5 11. a4 g6 {/\ Bg7/
Troianescu-Awerbach/Szczawno Zdroj/1950, Gligoric-Reshevsky/m/}) 10. Kh1 (10.
d4) 10... Nc5 11. Ne3 {/\ 12.Nf5} Qe8 12. Rg1 $5 (12. Nf5 $2 Bxf5 13. exf5 Qh5
14. d4 Rad8) 12... Ne6 13. g3 (13. Nf5 Bc5 14. Be3 g6 15. Nh6+ Kg7 16. Qd2 (16.
Qe2 Nf4 $1) 16... Qe7 {/\ 17... Be3 18.Qe3 Ng5}) 13... Bc5 (13... g6 $142 {
/\Ng7, Be6, Qd7, Rae8}) 14. Nh4 g6 15. Qf1 Ng7 16. Bd2 Be6 17. a3 Rf7 18. Re1
Qd7 19. Qe2 Re8 20. g4 $1 Qd8 21. Rg3 Bc8 22. Reg1 Bf8 23. Nef5 Ne6 (23... gxf5
$2 24. gxf5 Kh8 25. Qh5 $1) 24. g5 Nf4 25. Qf3 Bg7 26. Nh6+ Bxh6 27. gxh6 g5 (
27... Ne6 28. Qh5 Kh8 (28... Rg7 29. Nxg6 hxg6 30. Rxg6 Rxg6 31. Qxg6+ Kh8 32.
h7 $18) 29. Rxg6 $1 hxg6 30. Nxg6+ Kh7 31. Nxe5 fxe5 (31... Rfe7 32. Qf5+)) 28.
Bxf4 exf4 29. Qxf4 Qd6 $2 (29... Kh8 $2 30. Rxg5 $18) (29... Kf8 $1 30. Nf5 Re5
31. Qf3 Bxf5) 30. Qxd6 cxd6 31. f4 d5 32. fxg5 (32. exd5 Kh8 33. fxg5 fxg5 34.
Rxg5 $2 Rf2 35. R5g2 $2 Rf4 $40) 32... dxe4 33. gxf6+ Kh8 34. dxe4 Rxf6 35. Rg7
Rxh6 36. Nf3 Rf6 37. Ne5 Be6 38. Rxb7 Bg8 39. Ng4 Rg6 40. Nf2 Rf6 41. Ng4 Rg6
42. Nf2 Rd6 43. h3 (43. Ng4 $2 Rg6 $10) 43... c5 44. b3 c4 (44... Rd2 45. Ng4
Rxc2 46. Nf6 Rc3 $2 47. Rxg8+ Rxg8 48. Rxh7#) 45. b4 Rf8 46. Rg2 Be6 47. Re7
Bf7 48. Kg1 Bg6 49. Rc7 Rf3 50. h4 Rd8 51. Rxc4 Rxa3 52. Rc7 (52. Rc5 $142 Re3
53. e5 {/\ h5}) 52... Re3 53. Re7 Rc8 54. Ng4 Re1+ 55. Kh2 Rxe4 56. Ne5 Rxh4+
57. Kg1 Rxb4 1/2-1/2

