[Event "Tuesday Night Marathon"] [Site "Mechanics Chess Institute"] [Date "2016.05.31"] [Round "2"] [White "David R. Olson"] [Black "William Harris III"] [Result "0-1"] [WhiteElo "1400"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "A15"] [Opening "English Opening: Anglo-Indian Defense, King's Indian Formation"] [Termination "Unknown"] [Annotator "lichess.org"] 1. Nf3 Nf6 2. c4 g6 { A15 English Opening: Anglo-Indian Defense, King's Indian Formation } 3. Nc3 Bg7 4. g3 d6 5. Bg2 Bf5 6. Nd4 c6?! { (0.25 → 0.91) Inaccuracy. Bc8 was best. } (6... Bc8 7. e3 e5 8. Nde2 O-O 9. O-O Nc6 10. d4 exd4 11. exd4 Bf5 12. b3 Re8 13. Bb2) 7. Nxf5 gxf5 8. Qc2 O-O?! { (0.54 → 1.33) Inaccuracy. e6 was best. } (8... e6 9. Qb3 Qb6 10. d4 Nbd7 11. O-O O-O 12. Rd1 d5 13. c5 Qxb3 14. axb3 e5 15. b4) 9. Qxf5 e6 10. Qc2 Qb6 11. h3 Nbd7 12. d3 d5 13. Be3 d4 14. Na4 Qa5+ 15. Bd2 Qc7 16. O-O Ne5 17. Nc5 b6 18. Ne4?! { (1.93 → 1.25) Inaccuracy. Na6 was best. } (18. Na6 Qb7 19. Qa4 Rac8 20. b4 Qd7 21. Qd1 Nh5 22. g4 Nf6 23. f4 Ng6 24. Qe1 Ne8) 18... Ned7 19. b4 Nxe4 20. Bxe4 f5 21. Bg2 Nf6?! { (1.79 → 2.44) Inaccuracy. Be5 was best. } (21... Be5 22. a4 f4 23. g4 Rae8 24. a5 Bd6 25. axb6 axb6 26. Rfc1 Ne5 27. c5 Be7 28. cxb6) 22. b5 Rad8?! { (2.44 → 3.20) Inaccuracy. cxb5 was best. } (22... cxb5 23. Bxa8 Rxa8 24. Rac1 Qf7 25. cxb5 Nd5 26. a4 Nc3 27. Rfe1 Nd5 28. Qc4 Rf8 29. Rf1) 23. Bxc6?! { (3.20 → 2.26) Inaccuracy. bxc6 was best. } (23. bxc6 e5 24. c5 Nd5 25. cxb6 axb6 26. Qc4 Qf7 27. Bxd5 Rxd5 28. Rab1 Rc5 29. Qxf7+ Kxf7) 23... Nh5 24. Kg2 Be5 25. f4 Qg7 26. Rf3 Rf6?? { (2.08 → 4.79) Blunder. Bd6 was best. } (26... Bd6 27. Kh2 Rf6 28. e4 dxe3 29. Bc3 Qh6 30. Bxf6 Nxf6 31. Kg2 e5 32. fxe5 Bxe5 33. Rg1) 27. Kf2?? { (4.79 → 1.13) Blunder. fxe5 was best. } (27. fxe5 Rg6 28. Be1 Kh8 29. Qb2 Nxg3 30. Rxg3 Rxg3+ 31. Bxg3 f4 32. Rh1 Qxg3+ 33. Kf1 f3) 27... Bd6 28. Rg1 Rg6 29. Qc1 Nf6?! { (0.98 → 1.60) Inaccuracy. Kh8 was best. } (29... Kh8 30. Ke1 Nxg3 31. Kd1 h5 32. Rg2 h4 33. a4 Bc5 34. a5 Rg8 35. Qb2 Qc7 36. Qa2) 30. Qa1 Rh6 31. Rh1 Rc8 32. Qg1 Rc7?! { (1.48 → 2.32) Inaccuracy. Rg6 was best. } (32... Rg6 33. Qa1 Kh8 34. Rg1 a5 35. Ke1 Bc5 36. Kd1 Nh5 37. Be1 Rg8 38. Kc2 e5 39. e3) 33. a4 a6 34. g4? { (2.18 → 0.94) Mistake. Kg2 was best. } (34. Kg2 Nd7 35. e3 axb5 36. axb5 Nb8 37. exd4 Nxc6 38. bxc6 Rxc6 39. Qf2 Rc7 40. Rb1 Rb7) 34... Rg6? { (0.94 → 2.29) Mistake. fxg4 was best. } (34... fxg4 35. Rg3 axb5 36. hxg4 Rg6 37. Bxb5 Nxg4+ 38. Kf3 Ne5+ 39. Kf2 Ng4+ 40. Ke1 Ne3 41. Rxg6) 35. g5 Nh5 36. Kf1?! { (2.20 → 1.05) Inaccuracy. a5 was best. } (36. a5 bxa5 37. Qa1 axb5 38. cxb5 e5 39. Qxa5 Nxf4 40. Bxf4 exf4 41. h4 Kh8 42. Qa8+ Qg8) 36... e5? { (1.05 → 2.66) Mistake. axb5 was best. } (36... axb5 37. axb5 Ra7 38. Kf2 e5 39. h4 Nxf4 40. Qc1 Re7 41. Ke1 h6 42. Bxf4 exf4 43. Bd5+) 37. Bd5+ Kf8? { (2.20 → 4.06) Mistake. Kh8 was best. } (37... Kh8 38. fxe5 Qxe5 39. bxa6 f4 40. Ke1 Rxg5 41. Qf2 Re7 42. Bb7 Rg8 43. Bd5 Rg5 44. Kd1) 38. fxe5 Bxe5?! { (3.30 → 5.06) Inaccuracy. Qxe5 was best. } (38... Qxe5 39. bxa6 Ke8 40. Qf2 f4 41. Rg1 Ra7 42. Ke1 Bc5 43. Bxf4 Nxf4 44. Rxf4 Rxg5 45. Re4) 39. Bb4+?? { (5.06 → 1.71) Blunder. Rxf5+ was best. } (39. Rxf5+ Ke8 40. Rf3 axb5 41. axb5 Qd7 42. Bb4 Nf4 43. Qf2 Rxg5 44. Bd2 Qg7 45. Rxf4 Bxf4) 39... Bd6?? { (1.71 → 9.10) Blunder. Ke8 was best. } (39... Ke8 40. Bd2 axb5 41. axb5 Ra7 42. Kf2 Ra2 43. Qe1 f4 44. h4 Ng3 45. Bxf4 Rxe2+ 46. Qxe2) 40. Rxf5+ Ke8 41. Bc6+?? { (8.63 → 1.11) Blunder. Bxd6 was best. } (41. Bxd6 Rxd6 42. Qg4 Qg6 43. Kg2 Nf6 44. Rxf6 Rxf6 45. gxf6 Qxf6 46. Qg8+ Qf8 47. Qxf8+ Kxf8) 41... Rxc6 42. bxc6?? { (1.11 → -1.27) Blunder. Bxd6 was best. } (42. Bxd6 Rcxd6 43. bxa6 Qd7 44. Rf2 Ng7 45. Qg2 Ne6 46. h4 Rg7 47. Qa8+ Qd8 48. Qe4 Re7) 42... Ng3+ 43. Kg2?? { (-1.37 → -6.74) Blunder. Qxg3 was best. } (43. Qxg3 Bxg3 44. Rf8+ Qxf8+ 45. Bxf8 Kxf8 46. Rg1 Be5 47. Rg4 Rxc6 48. Rh4 Kg8 49. Re4 Rc5) 43... Nxf5 44. Bxd6 Rxg5+ { Black wins. } 0-1