WGP Geneva: Muzychuk, Khotenashvili win and lead

[Event "Neva Foundation GP"] [Site "?"] [Date "2013.05.14"] [Round "?"] [White "Muzychuk, A."] [Black "Batchimeg, Tugvinsug"] [Result "1-0"] [ECO "C91"] [Annotator "MIKHALCHISHIN"] [PlyCount "81"] [EventDate "2013.05.03"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 {Anna's strength is that she can chose different systems and does not repeat the Fischer Spanish second time, despite her clear success against Kosintseva.} Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. Be3 {Another Fischer pet line, in which he won great game against Viktor Korchnoi in 1961 in Stockholm.} exd4 11. cxd4 d5 12. e5 Ne4 13. h3 (13. Nc3 Nxc3 14. bxc3 Na5 15. Bc2 Nc4 16. Qd3 g6 17. Bh6) 13... Bh5 14. Nbd2 $5 {A very rare move, prepared by Anna. Practically all modern players use the direct} (14. Nc3 {which does not promise real advantage.}) 14... Na5 ( 14... Nxd2 15. Bxd2 ({Anna planned here to sacrifice an exchange:} 15. Qxd2 Bb4 16. Qc2 Bxe1 17. Qxc6 Bxf3 18. gxf3 Ba5 19. Bxd5 Rb8 20. Be4 {with huge compensation.}) 15... Nxd4 16. g4 Nxb3 17. Qxb3 Bg6 18. Ba5 $1 Qd7 19. Rad1 { White has some, probably unsufficient, compensation for the pawn: Jensen,A (2245)-Kovacs,L (2340)/Copenhagen 1982}) 15. Bc2 Nxd2 16. Bxd2 Nc4 17. g4 ({ Some GMs prefer to keep the bishop pair} 17. Bc1 Qd7 18. b3 Nb6 19. Qe2 (19. Bd2 Qe6 20. Rc1 $16) 19... Rae8 20. Bd2 f5 21. a3 Qe6 22. Qd3 {with clear advantage in Zaitsev,I (2390)-Gola,M (2375)/Moscow 1989.}) 17... Bg6 18. b3 ({ Here a retreat was possible too} 18. Bc1 $5) 18... Nxd2 ({White would keep a slight advantage, because of c-file problems after} 18... Bxc2 19. Qxc2 Nxd2 20. Qxd2 Qd7 21. Rac1 h5 22. Qf4 Rac8 23. Qf5) 19. Qxd2 c5 {I dont believe that Black can survive without this move. The great Capablanca taught us that pressure on c-file can be decisive.} 20. dxc5 Bxc5 21. Bf5 {Typical setup.} ({ White could play Capablanca's plan here too} 21. Rac1 Qb6 22. Bxg6 hxg6 23. Rc2 Rad8 24. b4 Be7 25. Rec1) 21... a5 $6 ({It was necessary to play more dynamically:} 21... Bxf5 22. gxf5 Qd7 23. Qf4 Rac8 24. Rac1 d4) 22. Re2 d4 23. Rd1 Qb6 24. Qf4 Rad8 25. Rd3 ({It was better to keep the possibility to double on the c-file.} 25. Qe4) 25... Rfe8 26. h4 {It is not clear wheather this is the best plan, as the central approach connected with the c-file was still possible.} (26. Rc2 a4 27. Qe4) 26... Qc7 27. Qe4 ({Anna refused to play on the queenside.} 27. Rc2) 27... Qe7 28. h5 ({A very strong way to attack would be} 28. Bxg6 hxg6 29. Ng5 {threatening f2-f4.} f6 30. exf6 Qxe4 31. Nxe4) 28... Bxf5 29. gxf5 Kh8 30. Qg4 ({Not bad was} 30. Qc6 b4 31. h6) 30... Ba7 31. Nh4 $6 {Anna tries to attack her opponent's king at any price.} ({Much more unpleasant for Black was the central strategy} 31. e6) 31... Qc7 32. f4 ({ Still was better} 32. e6) 32... f6 33. Nf3 Bb8 34. Kh1 a4 35. Rg2 ({It was better to use the power of central passed pawn even now} 35. e6 axb3 36. axb3 Qc1+ 37. Kg2 Bxf4 38. Rxd4 Rxd4 39. Nxd4 Be5 40. Nf3 Bf4 41. Kh3) 35... axb3 36. axb3 Qb7 $6 ({Better was} 36... Rg8) 37. h6 $1 {Now White starts the final attack.} gxh6 ({Did not help} 37... Rg8 38. Rxd4 Rxd4 39. Nxd4 fxe5 40. Ne6 g6 41. Qg5) 38. Qh4 $1 Rf8 ({Or another defensive try} 38... Qf7 39. Qxh6 fxe5 40. Ng5 Qg7 41. Qh5 Re7 42. Ne6 {winning.}) 39. Qxh6 fxe5 ({Or once more} 39... Rf7 40. Nh4) 40. Nh4 $1 {This typical move now wins easily.} Rg8 41. Qf6+ 1-0