[Event "2023 Washington Senior Championship"] [Site "Internet Chess Club"] [Date "2023.04.16"] [Round "4"] [White "Harwood"] [Black "Gavrysh"] [Result "0-1"] [ECO "A08"] [WhiteElo "1882"] [BlackElo "1969"] [Annotator "Harwood,Paul"] [PlyCount "114"] [EventDate "2023.??.??"] [SourceVersion "1"] [SourceVersionDate "2013.12.29"] [SourceQuality "1"] {[%evp 0,114,25,16,58,18,23,16,43,-7,-2,-2,-8,5,-1,9,19,-9,-6,-11,0,-2,39,-18,11,-35,-30,-45,-32,-63,-39,-37,-25,-49,37,3,16,23,1,-64,-123,-79,23,11,59,-14,-7,-24,28,26,26,1,0,-6,7,-120,-121,-131,-133,-139,-143,-129,-144,-155,-140,-168,-149,-163,-160,-165,-151,-161,-156,-148,-164,-156,-147,-151,-133,-146,-138,-231,-160,-123,-196,-224,-233,-299,-308,-320,-380,-378,-374,-387,-399,-520,-1012,-1160,-1011,-1160,-1032,-1259,-1483,-1299,-1738,-1289,-29968,-29983,-29970,-29971,-29972,-29973,-29976,-29977,-29978,-29981,-29982] This was my toughest game of the tournament and my opponent would be the future winner of the event. I learned later that Gavrysh was a master-level player from Ukraine whose rating dropped to the mid-1900's.} 1. e4 c5 2. d3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 Nf6 6. O-O O-O 7. Re1 e5 {The toughest reply against the KIA. Normally, White should now play moves like a3, c3 followed by b4.} 8. c3 d5 9. Nbd2 d4 10. Nc4 Ne8 11. a4 (11. cxd4 cxd4 12. a4 Nc7 13. Bd2 Rb8 14. h4 b6 15. b4 $11) 11... h6 ({Relevant:} 11... Nd6 12. cxd4 Nxc4 13. d5 N4a5 14. dxc6 Nxc6 15. Qb3 b6 16. Bg5 Bf6 17. Bh6 Be6 18. Qc3 Re8 19. Nd2 Nd4 20. a5 Qe7 21. Be3 b5 22. a6 Rab8 23. Bxd4 cxd4 24. Qa5 Rec8 25. Nf3 Qc7 26. Qb4 Qc5 27. Qd2 Qc2 28. Rec1 Qxd2 29. Nxd2 Bg5 30. f4 exf4 31. Nf3 Bh6 32. Nxd4 Rxc1+ 33. Rxc1 f3 {0-1 Petrosian,T (2598)-Wang,Y (2684) PRO League Stage Chess.com INT rapid 2019 (7)}) 12. Qc2 $6 ({The tension in the center should be resolved with} 12. cxd4 cxd4 ({For some reason, I was worried about} 12... Nxd4 $2 {but that just hangs a pawn.} 13. Ncxe5 Nc7 14. Nxd4 Qxd4 15. Nf3 Qd7 16. Be3 Ne6 17. e5 Rd8 18. Qc1 h5 19. Ng5 Qxd3 20. a5 Rb8 21. Bf1 Qf5 22. Bh3 Qxe5 23. Nxe6 Bxe6 24. Bf4 $16) 13. b3 Nd6 14. Nxd6 Qxd6 15. Ba3 Qc7 16. Bxf8 Bxf8 17. Nd2 h5 $16) 12... Be6 {[#]} 13. Nfd2 $146 ({Predecessor:} 13. b3 Rc8 14. Ba3 b6 15. cxd4 exd4 16. Rab1 Nd6 17. Nfd2 Nb4 18. Bxb4 cxb4 19. Qd1 Nb7 20. e5 Nc5 21. Qe2 Bf5 22. Ne4 Nxe4 23. Bxe4 Be6 24. f4 Qd7 25. Rec1 Rfd8 26. Qd2 Bf8 27. Rd1 Be7 28. Kh1 Kg7 29. Rg1 Bc5 30. Rgf1 a6 31. Qf2 Bf5 32. Qf3 b5 33. axb5 axb5 34. Nd2 Be7 35. Bxf5 gxf5 36. Rfc1 Rc3 37. Ra1 Rdc8 38. Rd1 Qc6 39. Qxc6 R8xc6 40. Nf3 Bc5 41. Rab1 Ra6 42. Rb2 Ra3 {1-0 Stojkov,S (2058)-Gavrish,L (2132) Vladimir op-A 2009 (2)}) ({Stockfish 15.1: suggests} 13. cxd4 cxd4 14. b3 Nd6 15. Ba3 Nxc4 16. bxc4 Re8 17. Reb1 Qc7 18. h4 Bf8 19. Kh2 Bxa3 20. Rxa3 Nb8 21. Bh3 Nd7 22. Qd2 Kg7 23. a5 Nc5 24. h5 g5 25. Nxg5 hxg5 26. Qxg5+ Kh7 27. Bf5+ Bxf5 28. Qxf5+ Kh8 29. Qf6+ Kh7 30. Qf5+ {[%eval -2,58]}) 13... Qd7 14. Nb3 b6 15. a5 (15. Bd2 Nd6 16. Nxd6 Qxd6 17. c4 $17) 15... Rb8 16. f4 $5 (16. Bd2 Nd6 17. axb6 axb6 18. Nxd6 Qxd6 19. Rec1 $17) 16... dxc3 (16... exf4 17. axb6 axb6 18. gxf4 Nf6 19. e5 Nd5 20. Bd2 Rfd8 21. cxd4 cxd4 22. Be4 $17) 17. bxc3 Nd6 18. axb6 axb6 $15 19. Ne3 exf4 20. gxf4 Nb5 (20... Nb4 21. cxb4 Bxb3 22. Qxb3 Bxa1 23. Bb2 Bxb2 24. Qxb2 cxb4 25. Nd5 Ne8 26. Kh1 $5 $15 {Vacating the g1 square for the rook.}) 21. Bb2 Rfd8 (21... Rbc8 22. Nc1 Bh3 23. Nd5 Qg4 24. Qe2 Qxg2+ 25. Qxg2 Bxg2 26. Kxg2 $11) 22. f5 $1 Bxb3 23. Qxb3 Na5 24. Qc2 Qxd3 25. Qxd3 $6 (25. Qf2 Nxc3 26. f6 Bf8 27. Ra3 Nb3 28. Rxb3 Ne2+ 29. Qxe2 Qxb3 30. e5 $14) 25... Rxd3 26. Bf1 $6 (26. fxg6 Nxc3 27. e5 $1 Bxe5 28. Ng4 Bd4+ 29. Kh1 Kg7 $11) 26... Rxc3 27. Bxb5 $4 {I calculated this and Bxc3 and somehow went with this one. Bxc3 draws.} (27. Bxc3 Nxc3 28. fxg6 fxg6 29. Ra3 $11 Re8 (29... Nxe4 30. Bd3 {[%csl Rg6][%CAl Gd3g6]})) 27... Rxe3 28. Rxe3 Bxb2 29. Rd1 Bd4 30. Rxd4 cxd4 31. Rd3 Rd8 $19 32. fxg6 fxg6 33. Kf2 Nb7 34. Bc4+ Kg7 35. Bd5 Nc5 36. Rxd4 Nxe4+ 37. Ke3 Nf6 38. Bf3 Rxd4 39. Kxd4 g5 40. Kc4 g4 41. Bc6 Kg6 42. Kb5 Kf5 43. Kxb6 Ne4 44. Kb5 Kf4 45. Kc4 Nd2+ 46. Kd3 Nf3 47. Bb7 Nxh2 48. Ke2 g3 49. Bc8 h5 50. Bd7 h4 51. Bc8 Ng4 52. Kf1 h3 53. Kg1 Nf2 54. Bb7 h2+ 55. Kf1 h1=Q+ 56. Bxh1 Nxh1 57. Kg2 Nf2 {White resigned.} 0-1