[Event "FIDE World Cup"] [Site "Khanty-Mansiysk"] [Date "2011.08.28"] [Round "1.1"] [White "Socko, Bartosz"] [Black "Bologan, Viktor"] [Result "0-1"] [ECO "E32"] [WhiteElo "2631"] [BlackElo "2678"] [Annotator "Bologan,V"] [PlyCount "84"] [EventDate "2011.08.28"] [EventType "k.o."] [EventRounds "7"] [EventCountry "RUS"] [SourceTitle "CBM 145"] [Source "ChessBase"] [SourceDate "2011.11.11"] [SourceVersion "1"] [SourceVersionDate "2011.11.11"] [SourceQuality "1"] {[%evp 0,84,20,20,25,15,19,14,20,3,-1,-2,-6,-5,-4,-14,-16,-12,-12,-11,-2,-16, -11,-5,14,14,31,17,17,19,11,9,10,7,25,20,24,-24,0,8,0,0,0,0,7,13,23,19,25,19, 32,16,34,27,40,30,30,32,25,-151,-150,-245,-239,-279,-282,-290,-256,-267,-250, -272,-224,-233,-235,-224,-228,-221,-228,-299,-322,-383,-407,-29981,-29982, -29983,-2057,-2262,-2108]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 {Preparing for the World Cup is more like preparing for a lottery. Either you buy a lot of tickets and you increase your theoretical chances, or else you buy only one but the lucky ticket. Of course, nobody on the top level in chess believes in luck, so you simply have to prepare all possible openings one by one...} 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6 7. Nf3 {A solid positional line more schematic then concrete. It is part of the white repertoire of such strong players as Karpov and Dreev.} Bb7 8. e3 d6 {Usually I've played ...d5 here, but I decided to come up with a surprise.} 9. Be2 ({Another setup is} 9. b4 Nbd7 10. Bb2 Ne4 11. Qc2 f5 12. Bd3 Ndf6 13. O-O Ng4 14. h3 Ngf6 15. Nd2 Nxd2 16. Qxd2 Ne4 17. Qe1 Qg5 18. f3 Ng3 19. Rf2 a5 {with a slightly inferior but holdable position for Black.}) 9... Nbd7 10. O-O ({On} 10. b3 {Black would continue in the same manner as after b4:} Ne4 11. Qc2 f5 (11... c5 {is also possible} 12. Bb2 Rc8 13. O-O cxd4 14. Nxd4 e5 15. Bf3 Ndc5 16. Nb5 a6 17. Nc3 Nxc3 18. Bxb7 Nxb7 19. Bxc3 Qc7 $11 {Khurtsidze N - Melia S/2011 68th ch-GEO w}) 12. Bb2 Ndf6 13. O-O Ng4 14. h3 Ngf6 {and now it will be not easy to move away the black knight from e4 because of the weak g3-square.}) 10... Ne4 11. Qc2 f5 12. b4 Rf6 { This looks a bit adventurous, but practice shows that White has to be careful about this rook.} 13. d5 Rg6 (13... exd5 14. cxd5 Bxd5 15. Bb2 Rg6 16. Rfd1 $1 {transposing into the position discussed below.}) 14. Bb2 ({Preparing for this line I was mainly focused on} 14. Nd4 Qg5 15. g3 Ne5 {and in all lines Black holds at least a draw} 16. Nxe6 (16. Nf3 Qe7 17. Nxe5 dxe5 18. Rd1 exd5 19. cxd5 c6 $11 {Dobrov Vladimir - Yakovich Yuri, Moscow 2/3/2007 It (open)}) 16... Rxe6 17. dxe6 Qg6 18. Rd1 (18. Qb3 Ng4 (18... h5) 19. e7 Nxh2 20. c5+ Kh8 21. c6 Nxg3 22. cxb7 Nf3+ 23. Bxf3 Ne2+ {=}) 18... Ng5 19. Rd5 Nef3+ 20. Bxf3 Nxf3+ 21. Kf1 Qg4 (21... Nxh2+ 22. Kg1 (22. Ke2 Qg4+ 23. Kd2 Bxd5 $5 24. cxd5 Rc8) 22... Nf3+ 23. Kf1 Nh2+ {Bocharov Dmitry - Lysyj Igor, Moscow 2/22/2007 It (open) "Aeroflot"} 24. Kg1 Nf3+ 25. Kf1 Nh2+ {=}) 22. Bb2 Qh3+ 23. Ke2 Qg4 24. Kf1 Qh3+ 25. Ke2 {1/2-1/2, Savina A - Demina J, 6/1/2009 59th ch-RUS w HL}) 14... c5 ({First I thought that taking the pawn is possible:} 14... exd5 15. cxd5 Bxd5 16. Rfd1 $1 {with the idea of sacrificing on d5. Tiviakov's game continued} (16. Bc4 Bxc4 17. Qxc4+ Kh8 18. Qc6 Ne5 19. Bxe5 dxe5 20. Qb5 Qe8 21. Qxe5 Qxe5 22. Nxe5 Re6 23. f4 Kg8 $11 {Iturrizaga E - Tiviakov S, 11/23/ 2009 World Cup}) 16... c6 17. Rxd5 cxd5 18. Qd3 $44 {with long term compensation for the exchange.}) (14... e5) 15. Rad1 (15. dxc6 Bxc6 16. Rfd1 Qe7 17. Ne1 Qh4 18. Bf1 Ng5 19. Rxd6 Nh3+ 20. Kh1 Nxf2+ 21. Kg1 Nh3+ 22. Kh1 Nf2+ 23. Kg1 Ng4 $17 {Georgiev Kiril - Grischuk Alexander, Crete 11/6/2007 Ch Europe (team)}) (15. dxe6 Nf8 16. bxc5 bxc5 17. Ne1 Qh4) 15... exd5 $1 $146 { The idea behind this move is to determine the pawn structure which assures Black at least an even game.} (15... Qe7 16. g3 Rf8 17. Ne1 exd5 18. cxd5 Ne5 19. Ng2 Rh6 20. f3 Nf6 21. bxc5 bxc5 22. Nf4 $14 {Koneru Humpy - Muzychuk Anna, Ohrid (Macedonia)}) 16. cxd5 Rc8 17. Qb3 (17. Qa4 a6 18. b5 a5 19. Bc4 Qe7 $11) (17. b5 $5 {was interesting after which it is difficult to find a reasonable plan for both sides} Qe7 18. Bc4 Qf7 19. Ne1 Ng5 $13) 17... a6 18. Nd2 Nxd2 ({ During the game I was also considering} 18... Qg5 $5 {in order to provoke the weakness of the white diagonal, but was not sure about it. Actually the computer likes it for Black:} 19. g3 b5 20. f4 Nxd2 21. Rxd2 Qe7 22. Qd3 c4 23. Qd4 Nf6 24. Bf3 Re8 $15) 19. Rxd2 b5 20. Qd3 c4 $11 {Doing away with the possibility of defending the d5-pawn from the a2-diagonal.} 21. Qd4 Nf6 22. Bf3 Qd7 {My plan for now is to establish the knight on e4 and then to speculate with an attack on the kingside.} 23. Rc1 Re8 24. g3 Rh6 25. Bg2 Ne4 26. Rdd1 Qf7 27. a4 $1 {It's important to create counterplay on the queenside.} Re7 $3 { The most difficult move of the game. This position is about maintaining the tension and we both have to combine attack and defence. The idea of ...Re7 is to protect the bishop on b7 and the pawn on g7, freeing the queen for the attack.} 28. axb5 axb5 29. f3 $4 {Been in an optimistic mood about his position White completely underestimates the coming attack. It was much better to continue holding with} (29. h4 Qh5 30. Re1 Qf7 31. Red1 $11 {with an equal situation over board.}) ({If White decides to go for the pawn with} 29. Qb6 Qh5 30. h4 Rg6 31. Qxb5 {Black can punish him with} c3 $1 32. Ba3 Nxg3 $3 33. fxg3 Rxg3 34. Rf1 Qg4 35. Rc2 Qe4 36. Re2 Bxd5 {with a strong attack.}) 29... Qh5 $1 {I wouldn't even call this a sacrifice since Black's attack is developing extremely fast.} 30. fxe4 (30. h3 Nxg3 $19) 30... Qxh2+ 31. Kf2 fxe4 {White's position is completely lost, since he will have to give the bishop back.} 32. Rc2 (32. Rg1 Rf7+ 33. Ke2 Rhf6 34. Kd2 Rf2+ 35. Kc3 Rxg2 $19) 32... Rf7+ 33. Ke1 Qxg3+ 34. Kd2 Rf2+ 35. Kc1 Rxc2+ 36. Kxc2 Qxg2+ 37. Rd2 Qg4 38. Rf2 Rh1 39. Qd2 Qg1 40. Bxg7 Qb1+ 41. Kc3 Rc1+ 42. Kd4 Rd1 0-1