[Event "BTCh 2019-20"] [Site "?"] [Date "2020.03.01"] [Round "10.1"] [White "Nadasi, B."] [Black "Yip, M."] [Result "1/2-1/2"] [ECO "B12"] [WhiteElo "2126"] [BlackElo "1989"] [Annotator "Yip"] [PlyCount "94"] [SourceVersionDate "2004.05.16"] [WhiteTeam "Sárkány DSE II"] [BlackTeam "MTK IV"] {[%evp 0,94,13,11,51,56,56,47,43,42,42,41,52,56,39,23,23,-6,18,-19,-22,-60,-60, -62,-59,-96,27,28,92,86,86,86,78,103,103,10,14,14,14,-18,17,24,27,0,0,0,9,47, 49,49,51,51,60,47,98,103,244,180,244,0,47,0,62,-87,-87,-64,-13,-6,0,0,0,-96,58, 60,53,71,67,67,114,119,118,125,128,118,141,141,141,139,158,89,82,84,71,67,84, 63,63]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O c5 7. Be3 ({ Relevant:} 7. c4 Nbc6 8. dxc5 d4 9. Qb3 Qc8 10. Rd1 Ng6 11. Nxd4 Nxd4 12. Rxd4 Bxc5 13. Qa4+ Qc6 14. Qxc6+ bxc6 15. Rd1 Nxe5 16. Nc3 Ng4 17. Rf1 O-O-O 18. Bxg4 Bxg4 19. Be3 Bd4 20. Rac1 e5 21. Rfe1 f6 22. f3 Bf5 23. Kf2 Rd7 24. Na4 Rhd8 25. Bxd4 Rxd4 26. Nc5 h5 27. Nb3 Rd3 28. Nc5 R3d4 29. Nb3 Rd3 30. Nc5 R3d4 {1/2-1/2 (30) Harikrishna,P (2731)-Dreev,A (2671) Budva 2019}) 7... Nec6 (7... Nd7 8. dxc5 Nc6 9. c4 {Thematic} dxc4 10. Na3 Bxc5 11. Nxc4 O-O 12. Bxc5 Nxc5 13. Nd6 Ne4 14. Rc1 Nxd6 15. Qxd6 Qxd6 16. exd6 Rfd8 17. Rfd1 Be4 18. Bc4 h6 19. Ne1 Na5 20. Be2 Bd5 21. b4 Nc6 22. b5 Ne5 23. f4 Ng6 24. f5 Nf4 25. Bf1 Rxd6 26. fxe6 Nxe6 27. Nc2 Rad8 28. Nb4 Be4 29. Re1 Rd4 30. a3 f5 31. Rc3 Kf7 32. Rce3 Nc5 33. Rc3 Ne6 34. Rce3 Kf6 35. g4 g6 36. Bg2 Nc5 37. Rc3 Rd1 38. Rce3 f4 39. R3e2 f3 {0-1 (39) Bosiocic,M (2623)-Adly,A (2607) Moscow RUS 2019}) 8. c4 {Thematic and violent play to catch Black uncastled} (8. c3 {Solid but seems a bit passive} Nd7 9. Nbd2 Be7 10. a3 a6 11. Re1 O-O 12. Nf1 Rc8 13. Ng3 Bg6 14. Nd2 cxd4 15. cxd4 Qb6 16. b4 Nxd4 17. Bf1 f6 18. Nb3 fxe5 19. Nxd4 exd4 20. Bxd4 Qd6 21. Ra2 Bf6 22. Bxf6 Rxf6 23. Bd3 Bxd3 24. Qxd3 Ne5 25. Qd4 Nc6 26. Qb6 Qc7 {Black is up a clear P with nothing to fear} 27. Qc5 Ne7 28. Qe3 Qc3 29. Qe2 Rcf8 30. h3 Nc6 31. Qd1 Nd4 32. Rd2 e5 33. Rd3 Qc7 34. f3 Nb5 35. Kh1 d4 36. Ne4 Rc6 37. Qd2 Nc3 38. Nf2 Nd5 39. Qg5 Nf4 40. Rd2 Rc1 41. Rdd1 Rxd1 42. Nxd1 Nd3 43. Re2 h6 44. Qd2 Nf4 45. Re1 Rc8 46. Qa2+ Qc4 47. Qb1 Qc2 48. Qxc2 Rxc2 49. g3 Nd3 50. Rf1 Kf7 {0-1 (50) Caruana,F (2822)-Mamedyarov,S (2801) Saint Louis USA 2018}) 8... dxc4 (8... cxd4 {Is another satisfactory way to liquidate the pawn centre} 9. Nxd4 Nxd4 10. Bxd4 Nc6 11. Qa4 dxc4 12. Bf3 Qd7 13. Bxc6 Qxc6 14. Qxc6+ bxc6 15. Rc1 Be7 16. Be3 O-O-O 17. Nd2 c3 18. bxc3 Ba3 19. Nc4 Bxc1 20. Rxc1 Rd5 21. Bxa7 Kb7 22. Be3 c5 23. Nd6+ Kc6 24. c4 Rd3 25. Nxf7 Ra8 26. h4 Rxa2 {0-1 (94) Schmidek,E (2382)-Kulaots,K (2555) Stockholm SWE 2018}) 9. Nc3 {White focuses on fast development} (9. Bxc4 cxd4 10. Nxd4 Nxd4 11. Bxd4 a6 12. Bc3 Nc6 13. a3 Bc5 14. Nd2 Bd4 15. Re1 Bxc3 16. bxc3 O-O 17. Nf3 Bg4 18. Bd3 Rc8 19. Be4 Bxf3 20. Qxf3 g6 21. Qf4 Qc7 22. Bf3 Na5 23. Rac1 Nc4 24. a4 f6 25. Qg4 f5 26. Qf4 Rfd8 27. Rb1 b6 {0-1 (87) Mishra,A (2304)-Sorokin,A (2537) Irving USA 2019}) 9... cxd4 ({ Predecessor:} 9... a6 10. dxc5 Nd7 11. Nd4 Nxd4 12. Bxd4 Nxc5 13. Bxc4 Be7 14. b4 Nd7 15. b5 O-O 16. Qe2 Qa5 17. g4 Bg6 18. f4 h6 19. f5 exf5 20. gxf5 Bh7 21. e6 Bc5 22. Bxc5 Nxc5 23. exf7+ Kh8 24. Qe3 Qb4 25. Rf4 Qa3 26. Re1 Nd7 27. bxa6 bxa6 28. Be6 Nf6 29. Nd5 Qxe3+ 30. Rxe3 Nxd5 31. Bxd5 Rad8 32. Bb3 g5 33. Rf2 Kg7 34. Re6 h5 35. Rxa6 Ra8 36. f6+ Kh8 37. Rxa8 Rxa8 38. Re2 {1-0 (38) Thomas, O (2116)-Vekemans,P (1892) La Fere 2005}) 10. Nxd4 Nxd4 11. Bxd4 Nc6 12. Nb5 { An aggressive way to defend the Bd4 that should not come to anything} Nxd4 { I failed to sense the moment to caculate correctly} (12... a6 13. Nd6+ Bxd6 14. exd6 Bc2 15. Qxc2 (15. Qd2 Qxd6 16. Qxc2 Nxd4 17. Qxc4 O-O) 15... Nxd4 16. Qxc4 Qxd6 17. Rfd1 Rd8) 13. Nxd4 {} Bc5 (13... Rc8 14. Qa4+ Qd7 15. Qxd7+ Kxd7 16. Rfd1 Be4 17. Nb5+ Bd5 18. Rac1 Bc5) 14. Nxf5 exf5 15. Qa4+ Qd7 16. Qxc4 Rc8 {The opening has gone badly and Black is the defender} 17. Qf4 (17. Rad1 Qc6 18. Qf4 O-O) 17... O-O 18. Rad1 (18. Rfd1) 18... Qe6 19. b3 g6 {Passive and horrible} (19... Rfe8 20. Bd3 g6 $11 (20... Qxe5 21. Qxf5 Qxf5 22. Bxf5 Rcd8)) 20. Bc4 Qe7 21. e6 (21. h3 Kg7) 21... fxe6 22. Rfe1 Rf6 23. Qe5 Kf7 { Too greedy. Now was the time to return material} (23... Kg7 24. Bxe6 Rd8 25. Rxd8 Qxd8 26. Qxc5 Rxe6 {A nice and simple idea that exploits the weak back rank} 27. Rc1 Qd2 28. h3 b6 29. Qc7+ Kh6 30. Rc2 Qd4) 24. Rd3 {Planning to double on the d-file and Black has problems finding a good move} a6 {Threatening ..b5 to disturb the Bc4} (24... Bb6 25. Red1 Rc7) 25. Red1 Rc7 {} 26. a4 {Securing the Bc4 is a safe move} (26. Rd8 {Should win} Kg7 27. Re8 Qxe8 28. Qxc7+ Be7 29. Qxb7) 26... g5 {Creative defence to release Rf6 but objectively loosens the kingside. However, bad positions justify desperate measures sometimes} (26... Bb4 27. Rd8 Kg7 28. g3) 27. Rd8 {Black is lost but during the game I did not see a forced win} Bb4 {The idea was to free c5 and give some force to ..b5 pawn sacrifice ideas} (27... Kg7) 28. Qe3 { Attacking the loose g5-pawn but there was no need to retreat the active queen} (28. Rh8) 28... Rh6 { To stop Qh3 and activate the rook. Not knowing any better, Black goes for an active defence} (28... Rg6 29. h3) 29. Qd3 (29. Qe5 {Dominating the centre was better}) 29... Kg7 {Getting the king off the light squares and a2-g8 diagonal seemed useful. I wanted to reduce the ways to die quickly} (29... Qf6 30. Qg3 f4 31. Qf3 Be7 32. R8d7 Qe5 $16) 30. h3 {Another safe move but now the advantage has vanished} Rh4 $6 { Again the rook is activated and takes away Qd4+} (30... g4 {Opening the h-file was one of my original ideas but fails horribly} 31. hxg4 Qh4 { Hoping for a mate but White is the first to shoot} 32. Qd4+ Kf7 33. Bxe6+ Rxe6 34. Qxb4) (30... Rg6 {Was ok but passive}) 31. g4 {White continues to press but now has no advantage. Black's kingside play has served its purpose and managed to induce some confusion in the proceedings} (31. Qg3 Bc5 32. Qe5+ Kh6) 31... fxg4 {A new fight begins} (31... Kh6 { Is similarto the game but here I did not consider it}) 32. Qd4+ Kh6 { This looks strange but continues with the theme of creating a murky position without a forced loss to complicate the game} (32... e5 {Is also good but I did not want to open the a2-g8 diagonal} 33. Qd5 (33. Rg8+ Kh6 34. Qd3 (34. Qb6+ Rc6 35. Qd8 Qxd8 (35... gxh3) 36. Rgxd8) 34... e4 35. Qd4 gxh3 $19) 33... Kh6 34. Qg8 Qf6 35. R1d7 Rxd7 36. Rxd7 Qg6 37. Qxg6+ (37. Rxb7 Qxg8 38. Bxg8 a5 39. Rxh7+ Kg6 40. Rxh4 gxh4 41. hxg4 Kg5) 37... Kxg6 38. Rxb7 Bc5) 33. hxg4 Bc5 {Targeting f2 for counterplay. The fight for the initiative is key for opposite colored bishop middlegames} 34. Qe4 Qf6 { Black has managed to get some activity and the game is not one-sided as before} 35. R1d2 {} Rf7 {Too aggressive} (35... Re7 {A case of passive defence being better} 36. Kg2 a5) 36. Qxe6 Qxe6 37. Bxe6 Re7 38. Bf5 {} Rh3 {Aggressive but poor defence} (38... Kg7 {The rook can get back into play after ..Rh6}) 39. R8d7 Kg7 40. Rxe7+ Bxe7 41. Rd7 {I missed this simple fork winning a pawn} Kf6 42. Rxb7 Bc5 43. Kg2 Rc3 44. b4 (44. Bxh7 a5 45. Bg8 Rc2 46. Rf7+ Kg6 47. Rf5 Bb4 {Engine gives winning but this is not so clear}) 44... Rb3 45. Rxh7 Rxb4 46. Rh6+ Ke5 47. Rxa6 Rb2 { I accepted the draw offer} 1/2-1/2
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