[Event "BTCh 2019-20"] [Site "?"] [Date "2019.12.08"] [Round "5.2"] [White "Yip, M."] [Black "Kavassey, G."] [Result "0-1"] [ECO "E71"] [WhiteElo "1987"] [BlackElo "2029"] [Annotator "Yip"] [PlyCount "50"] [SourceVersionDate "2004.05.16"] [WhiteTeam "MKK IV"] [BlackTeam "Csepeli TK I"] {[%evp 0,99,80,28,70,29,30,33,16,22,16,-12,-11,-20,-22,-23,1,9,5,4,4,4,5,-25,8, 8,-14,-13,-3,-14,-8,3,34,46,37,24,38,45,74,59,60,45,46,-8,15,13,40,31,40,-10, 30,7,32,42,42,24,0,8,0,-107,-49,-78,-78,-101,0,0,55,17,241,253,252,265,265,265, 275,275,338,157,167,165,171,171,171,171,170,154,156,155,171,174,190,196,189, 232,243,256,285,294,288,303,304,347]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 Nbd7 6. Be3 e5 7. d5 Nc5 8. Qc2 O-O {} 9. Be2 {I tried a new line and was not familar with the nuances} (9. g4 {This restrictive advance can be played immediately and scores well} c6 (9... a5 10. Nge2 c6 11. Ng3 cxd5 12. cxd5 Bd7 13. Be2 Rc8 14. Rc1 a4 15. Qd2 b5 16. f3 Qa5 17. O-O b4 18. Nd1 Bb5 19. Nf2 Nfd7 20. h4 Bxe2 21. Qxe2 Rc7 22. h5 Rfc8 23. hxg6 fxg6 24. Kg2 b3 25. a3 Qa6 26. g5 Bf8 27. Rc3 Be7 28. Rfc1 Qxe2 29. Nxe2 Bd8 30. Rc4 Rb8 31. f4 Rbc8 32. R4c3 Rb7 33. fxe5 Nxe5 34. Bxc5 dxc5 35. Rxc5 Rxc5 36. Rxc5 Bxg5 37. d6 Nf7 38. e5 Be3 39. Rc8+ Kg7 40. Rc7 Ra7 41. Ne4 Bb6 42. Rxa7 Bxa7 43. e6 Nxd6 44. Nxd6 Kf6 45. e7 {1-0 (45) Grandelius,N (2642)-Shyam,S (2552) Douglas ENG 2016}) 10. g5 (10. Nge2 cxd5 11. cxd5 Qa5 12. Ng3 Bd7 13. Rb1 Na4 14. Qd2 Rfc8 15. Nb5 Qxd2+ 16. Kxd2 Bf8 17. g5 Ne8 18. Nxa7 Rcb8 19. Bb5 Nc5 20. Bxd7 Nxd7 21. Nb5 Be7 22. Ra1 Nc5 23. b4 Na4 24. Kc2 Ra6 25. Kb3 Bd8 26. Rhc1 Rba8 27. Rc2 Kf8 28. Rf1 Bb6 29. Bc1 Bd8 30. Ne2 Nb6 31. f4 exf4 32. Bxf4 Nd7 33. Nec3 Kg8 34. h4 f6 35. a4 fxg5 36. hxg5 Be7 37. Rcf2 Rc8 38. Nd4 Ng7 39. Ne6 Rb6 40. Be3 Nxe6 41. dxe6 Nc5+ 42. Ka3 Ra8 43. bxc5 dxc5 44. Nd5 Rxe6 45. Nxe7+ Rxe7 46. Bxc5 Ree8 47. e5 b5 48. Rf8+ Rxf8 49. Rxf8+ Rxf8 50. Bxf8 {1-0 (50) Henriquez Villagra,C (2543)-Rodriguez Vila,A (2480) Montevideo URU 2019}) 10... Nh5 11. O-O-O cxd5 12. Nxd5 Ne6 13. h4 Bd7 14. Kb1 Nhf4 (14... Bc6 15. Ne2 Bxd5 16. Rxd5 Nhf4 17. Nxf4 Nxf4 18. Bxf4 exf4 19. Bh3 Qe7 20. f3 b6 21. h5 Be5 22. Qg2 Rfd8 23. Qg1 Rab8 24. Rh2 Rb7 25. Rhd2 Rc7 26. Bf1 Rc5 27. Qg4 Rdc8 28. a3 R8c7 29. Ka2 a5 30. Be2 Kg7 31. Bf1 Kg8 32. Be2 Kg7 33. Bf1 Kg8 34. Be2 Kg7 35. Bf1 Kg8 36. Be2 Kg7 37. Bf1 Kg8 38. Be2 Kg7 39. Bf1 Kg8 40. Be2 Kg7 {1/2-1/2 (40) Sivuk,V (2559)-Kokarev,D (2601) St Petersburg RUS 2019}) 15. Ne2 Nxd5 16. cxd5 Rc8 17. Qd2 Nc5 18. Ng3 f5 19. gxf6 Bxf6 20. h5 g5 21. h6 Kh8 22. f3 Be7 23. Be2 a5 24. Rc1 b6 25. Rcg1 Rg8 26. Nh5 g4 27. Bxc5 bxc5 28. f4 Rb8 29. fxe5 dxe5 30. Qc3 Bd6 31. Ng7 Qg5 32. Ne6 Bxe6 33. dxe6 g3 34. Rh3 Qf4 35. Rhxg3 Qxe4+ 36. Qc2 Qxc2+ 37. Kxc2 e4 38. Rg7 Rge8 39. Bc4 Bf4 40. e7 Bd6 41. Bf7 Bxe7 42. Bxe8 Rxe8 43. R7g4 Bd8 44. Re1 e3 45. Rg3 {1-0 (45) Anton Guijarro,D (2667)-Adhiban,B (2701) Havana CUB 2019}) ({Relevant:} 9. O-O-O {Is rare} c6 10. dxc6 Qa5 11. g4 bxc6 12. Rxd6 Rb8 13. f3 Ne6 14. Qa4 Qc7 15. Qxc6 Qa5 16. Qa4 Qc7 17. Qc6 Qa5 18. g5 Nh5 19. Rh2 Rxb2 20. Kxb2 Qb4+ 21. Kc2 Nd4+ 22. Bxd4 exd4 23. Nd1 Be5 24. Rd2 Bxd6 25. Qb5 Bd7 26. Qxb4 Bxb4 27. Ne2 Ba4+ 28. Kd3 Bxd2 29. Kxd2 Rb8 30. Nf2 Rb1 31. Bg2 Rb2+ 32. Kd3 Rxa2 33. Bf1 Ra3+ {0-1 (33) Bosiocic,M (2619)-Saric,I (2667) Mali Losinj 2019}) 9... Ne8 {Black also seem unaware of what is really happening} ({Predecessor:} 9... a5 10. Nf3 Nh5 11. g3 f5 12. Bxc5 dxc5 13. Nd2 Nf6 14. Bd3 Ne8 15. O-O-O f4 16. g4 f3 17. Rdg1 Bh6 18. Kb1 Bd7 19. Rg3 Bf4 20. Rxf3 Nd6 21. Nf1 Qh4 22. Ng3 Nf7 23. Be2 b6 24. a4 Nd6 25. b3 Rf7 26. Nd1 Raf8 27. Bf1 Kh8 28. Bg2 h5 29. Ne2 Bh6 30. Rxf7 Rxf7 31. f3 Kh7 32. Qc3 Re7 33. Qe1 Qf6 34. Nec3 Kh8 35. Nb2 Qg5 36. Kc2 Qe3 37. Nd3 Qxe1 38. Rxe1 Nf7 39. Kd1 {Eingorn,V (2525)-Kozul,Z (2614) Bad Wiessee 2015 1/ 2-1/2}) 10. g4 {This is the idea of a fast h3, aiming to discourage ..f5} f5 { Anyway, but it is hard to suggest a better idea.} (10... a5 {Is possible} 11. h4 ({or} 11. f3) 11... f5 12. exf5 gxf5) 11. gxf5 {A routine recapture that shows no deep understanding of the position} (11. exf5 {This idea never occured to me. The idea is to open the b1-h7 diagonal for piece play and an attack. The g-file can wait} gxf5 12. Nf3 e4 13. Nd2 (13. Nd4 f4) 13... a6 14. O-O-O b5 15. gxf5 Bxf5 16. Rhg1 (16. Rdg1) 16... bxc4 17. Kb1 Kh8 (17... Nd3 18. Ndxe4) 18. Bxc4 Rb8 19. Nb3 (19. Ka1) 19... Nd3 20. Bxa6 Qd7 (20... Nf6 21. Qd2) 21. Bxd3 exd3 22. Qd2 c5 23. dxc6 Qxc6 24. Nd4 Qc4 25. Nxf5 Rxf5 26. Rxg7 Nxg7 27. b3 Rf7 28. Qxd3 Qxd3+ 29. Rxd3) 11... gxf5 12. Nf3 {Played after a long think} (12. O-O-O) 12... fxe4 13. Nxe4 {Wrong plan altogether. Here I was too superficial and tried for normal play aimed at occupying e4} (13. Ng5 {Taking aim at e4 and e6 leads to approximately level play but Black is fine} Bf5 14. Rg1 (14. O-O-O Nd3+ 15. Kb1 Nxf2 16. Ne6 Bxe6 17. Bxf2 Bf5 18. Be3 Nf6 19. Rdg1) 14... Nd3+ 15. Kd2 Nf4 16. Rad1 Nf6 17. Kc1 Qe7 18. f3 exf3 19. Qxf5 fxe2 20. Rde1 Qd7 21. Qc2 Nxh3 22. Nxh3 Qxh3 23. Qxe2 a6) 13... Bf5 14. Nfd2 { Continuing with routine execution of an acceptable idea} (14. Bxc5 {I was one move too late with the right idea} dxc5 15. Bd3 {is the right way to control e4 } Bxe4 16. Bxe4 Kh8 17. Rg1 Nd6 18. Ng5 {/\xe6,e4} Bh6 19. Ne6 Qf6 20. Nxf8 Rxf8 21. Rg2) 14... Qh4 {Black takes over now} 15. Bxc5 dxc5 16. O-O-O Nd6 17. Bd3 (17. f3) 17... Bxe4 18. Nxe4 Nxe4 (18... b5) 19. Bxe4 Rxf2 20. Qd3 Raf8 21. Rhg1 (21. Rdg1) 21... Rh2 {} 22. Rg3 { I thought there was a slight chance that Rdg1 would get some tactical play to confuse the issue} (22. d6 {Is a nice idea that did not occur to me. White sacrifices a pawn to open up the light squares to get enough counterplay} Qh6+ (22... Rff2 23. dxc7) (22... cxd6 23. Qd5+ Kh8 24. Qxb7 Qf4+ 25. Kb1 Rf7 26. Qa8+ Rf8 27. Qb7 Rf7) 23. Kb1 Rff2 24. Qd5+ Kh8 25. Qxb7 cxd6 26. Qb8+ Bf8 27. Bd5 Rxb2+ 28. Qxb2 Rxb2+ 29. Kxb2 Bg7) 22... Rff2 23. Qe3 Re2 ( 23... Kf8) 24. Rxg7+ Kxg7 25. Qg1+ Kh8 0-1