[Event "FCC Summer Classic"] [Site "Fayetteville"] [Date "2024.07.06"] [Round "3"] [White "Kunchanapolli, Havish"] [Black "Orton, Bill"] [Result "1-0"] [Variant "Standard"] [ECO "A43"] [Opening "Benoni Defense: Old Benoni"] [Annotator "https://lichess.org/@/Hogeye"] [StudyName "FCCSummer2024-rd3"] [ChapterName "Kunchanapolli, Havish - Orton, Bill"] [Source "https://lichess.org/study/ZpYVGEYy/pphxvT2l"] [Orientation "white"] 1. d4 c5 2. d5 d6 3. e4 g6!? (3... Nf6) 4. Nc3 Bg7 5. Be2 Nf6 6. h3?! { Stockfish 16: 0.00/42 } (6. Nf3 { Stockfish 16: +0.48/34 } 6... O-O 7. O-O e6 8. Bf4 exd5 9. exd5 Na6 10. Nd2 Nc7 11. Nc4 b5 12. Nxd6 b4 13. Na4 Ncxd5 14. Bg3 Qa5 15. b3 Ba6 16. Bc4 Bxc4 17. Nxc4 Qa6 18. Qf3 Nb6 19. Nxc5 Qb5 20. Nxb6 axb6 21. Nd3 Rfe8 22. Rae1 Rxa2 23. Be5 Nh5 24. Bxg7 Nxg7 25. Rxe8+ Nxe8) 6... Na6?! { Stockfish 16: +0.71/33 } (6... O-O { Stockfish 16: 0.00/42 } 7. a4 e6 8. dxe6 Bxe6 9. Nf3 Nc6 10. O-O h6 11. Be3 Qe7 12. Re1 Nb4 13. Qc1 Rad8 14. a5 Rfe8 15. Bxh6 Bxh6 16. Qxh6 Nxc2 17. Bb5 Nxa1 18. Rxa1 Bd7 19. Bc4 Be6 20. Bb5 Bd7 { Stockfish 16: 0.00/32 }) 7. Bg5?! { Stockfish 16: +0.08/39 } (7. Nf3 { Stockfish 16: +0.71/33 } 7... O-O 8. O-O e6 9. dxe6 Bxe6 10. Bf4 d5 11. e5 Ne4 12. Nxe4 dxe4 13. Ng5 Nb4 14. Nxe4 Qc7 15. Qd2 Rad8 16. Nd6 Nc6 17. Qe3 Bxe5 18. Bxe5 Nxe5 19. Nb5 Qb8 20. Qxc5 Rc8 21. Qe3 Nc4 22. Qxa7 Qe5 23. Nd4 Bd5 24. Bxc4 Rxc4) 7... Nc7?! { Stockfish 16: +0.46/39 } (7... h6 { Stockfish 16: +0.08/39 } 8. Bf4 Qb6 9. Bc1 e6 10. Nf3 O-O 11. O-O exd5 12. exd5 Qd8 13. Bf4 Nc7 14. Bh2 Re8 15. Re1 b6 16. Nd2 Bf8 17. Nf1 Rb8 18. a4 a6 19. Bf3 b5 20. Ne3 Bg7 21. axb5 axb5 $10) 8. a4 a6 9. Nf3 h6?! { Stockfish 16: +0.96/32 } (9... O-O { Stockfish 16: +0.53/40 } 10. O-O Rb8 11. Bf4 b5 12. e5 Nfe8 13. Re1 h6 14. Bh2 Bb7 15. axb5 axb5 16. Bxb5 Nxb5 17. Nxb5 Bxd5 18. Qxd5 Rxb5 19. b3 Rb6 20. Ra8 Qd7 21. e6 fxe6 22. Rxe6 Nc7 23. Rxd6+ Nxd5 24. Rxf8+ Kxf8 25. Rxd7 Nb4 26. Rd2 Nc6 27. Bf4 Rb4 28. Be3 c4 29. bxc4 Rxc4 30. Kf1 Kg8 31. g3 g5 32. Ke2 Bf6) 10. Be3?! { Stockfish 16: +0.28/39 } (10. Bf4 { Stockfish 16: +0.96/32 } 10... Nd7 11. Qd2 Rb8 12. O-O b5 13. Rfe1 g5 14. Bg3 O-O 15. Bd3 Re8 16. Rab1 c4 17. Bf1 Nc5 18. e5 Bb7 19. axb5 axb5 20. b4 cxb3 21. cxb3 b4 22. Nb5 Nxd5 23. exd6) 10... b6 11. O-O Rb8?! { Stockfish 16: +1.18/34 } (11... O-O { Stockfish 16: +0.43/34 } 12. Qd2 Kh7 13. g4 Bb7 14. g5 hxg5 15. Nxg5+ Kg8 16. Rad1 Nh7 17. Kh2 b5 18. Bg4 Qe8 19. Nxh7 Kxh7 20. f4 b4 21. Ne2 f5 22. Bf3 e6 23. Rg1 Bh6 24. c4 bxc3 25. bxc3 exd5 26. exf5 Rxf5 27. Rg4) 12. Nd2? { Stockfish 16: +0.16/44 } (12. e5 { Stockfish 16: +1.18/34 } 12... Nd7 13. e6 fxe6 14. dxe6 Nf8 15. Nh4 Bxe6 16. f4 Qd7 17. Bd3 Bf7 18. Qe1 Rg8 19. Rd1 Bh8 20. Bf2 Be6 21. Bg3 Bf5 22. Kh2 Kd8 23. Ne4 Bxb2 24. c3 Bxe4 25. Bxe4 Qxa4 26. f5 gxf5 27. Nxf5 Bxc3 28. Qe2 Rxg3 29. Bc6 { Stockfish 16: +2.57/25 }) 12... b5! 13. a5?! { Stockfish 16: -0.68/32 } (13. axb5 { Stockfish 16: +0.12/43 } 13... axb5 14. Qe1 O-O 15. f4 b4 16. Nd1 e6 17. dxe6 Nxe6 18. Qg3 Nd4 19. Bxd4 cxd4 20. Nf2 Bb7 21. Bd3 Nh5 22. Qg4 Nf6 23. Qf3 Nd7 24. b3 Nc5 25. f5 Qg5 26. Nc4 gxf5 27. Nxd6 fxe4 28. Nfxe4 Nxe4 29. Nxe4 Bxe4 30. Qxe4 Qe3+ 31. Qxe3 dxe3 32. Rab1 Rfe8 33. Rf4 Rbd8 34. Kf1 Rd4 35. Rxd4 Bxd4 $10) 13... e6?! { Stockfish 16: -0.28/41 } (13... O-O { Stockfish 16: -0.68/32 } 14. f4 e6 15. dxe6 Nxe6 16. Bf3 Bb7 17. Ne2 Re8 18. c3 d5 19. e5 d4 20. Bf2 d3 21. Nc1 Nd5 22. Nxd3 c4 23. Nc5 Nexf4 $17) 14. dxe6 Nxe6 15. Nd5 Nxd5 16. exd5 Nc7 17. Ne4 f5?! { Stockfish 16: -0.08/45 } (17... Bf5 { Stockfish 16: -0.38/32 } 18. Ng3 Bxb2 19. Rb1 Be5 20. Rb3 Kf8 21. c4 b4 22. Qd2 Qh4 23. f4 Bg7 24. Nxf5 gxf5 25. Bf2 Qf6 26. Qc2 h5 27. Bd3 Qd8 28. Bxf5 Ne8 29. g4 hxg4 30. hxg4 Qxa5 31. Re1 Bc3 { Stockfish 16: -0.82/26 }) (17... Bxb2 { I didn't play this because I feared } 18. Bf4 O-O { Stockfish 16: -0.15/28 } 19. Bf3 Ne8 20. Bxh6 Bg7 21. Bg5 f6 22. Bf4 f5 $10) 18. Nc3?! { Stockfish 16: -1.01/36 } (18. Nxc5 { Stockfish 16: -0.08/45 } 18... dxc5 19. Bxc5 Qxd5 20. Bd6 Rb7 (20... Qxd1 { Stockfish 16: -0.30/31 } 21. Rfxd1 Rb7 22. Bf3 Ne6 23. Bxb7 Bxb7 24. Ba3 h5 $15 25. Rd6 { Stockfish 16: -0.18/26 } 25... Bc8 26. Rc6 Kf7) 21. Bf3 Qxd1 22. Raxd1 Ne6 23. Bxb7 Bxb7 24. Ba3 Bc8 25. Rd6 Kf7 26. Rfd1 Re8 27. Rc6 g5 28. Bb4 Bf6 29. c4 bxc4 30. Bc3 Bb7 31. Rb6 Re7 32. Rdd6 Bxc3 33. bxc3 Kf6 34. Rxe6+ Rxe6 35. Rxb7 Ke5 36. Kf1 f4 37. Rd7 Rc6 38. Ke2 Rc5 39. Rd4 Rxa5 40. Rxc4 Kd5 41. Rc8 h5 42. Kd3 Ra2 43. c4+ Kd6 44. Rd8+ Kc6) 18... O-O 19. Bf3?! { Stockfish 16: -1.35/34 } (19. Qd2 { Stockfish 16: -0.92/38 } 19... g5 20. f4 g4 21. hxg4 b4 22. Nd1 fxg4 23. g3 Qf6 24. c3 h5 25. Bf2 Nb5 26. Rc1 bxc3 27. bxc3 Bf5 $17) 19... Bb7?! { Stockfish 16: -0.62/38 } (19... Ne8 { Stockfish 16: -1.35/34 } 20. Bd2 Rb7 21. Ne2 g5) 20. Re1?! { Stockfish 16: -0.93/31 } (20. Qd3 { Stockfish 16: -0.62/38 } 20... Qh4 21. Rae1 Rbe8 22. Ne2 g5 23. Bc1 Bc8 24. Bd2 Bd7 25. Bc3 Bxc3 26. bxc3 Qc4 27. Qxc4 bxc4 28. Ng3 Bc8 29. Rxe8 Rxe8 30. Bh5 Re5 31. Rb1 Nxd5 32. Rb8 Ne7 33. f4 Re1+ 34. Kh2 Kg7 35. Rb6 d5 36. Bf3 Re6 37. Rb8 Rc6 38. Bh5 Rd6) 20... Qf6?! { Stockfish 16: -0.43/34 } (20... g5 { Stockfish 16: -0.93/31 } 21. Qd3 Qd7 22. Rad1 b4 23. Ne2 Qb5 24. Qd2 Rbe8 25. c3 f4 26. Nxf4 gxf4 27. Bxf4 Rf6 28. Rxe8+ Qxe8 29. cxb4 Qf7 30. g3 cxb4 31. h4 Rf5 32. Qxb4 Nb5 33. Qc4 Bxb2 34. Re1 Be5 35. Bxe5 Rxe5 36. Rxe5 dxe5 37. Bg2 Nd4 38. Be4) 21. Rb1?! { Stockfish 16: -0.87/36 } (21. Qd3 { Stockfish 16: -0.43/34 } 21... Rbd8 22. Ne2 g5 23. Bd2 c4 24. Qe3 Qf7 25. Bc3 Nxd5 26. Bxd5 Qxd5 27. f3 Rde8 28. Qf2 Be5 29. Bxe5 dxe5 30. Rad1 Qc6 31. Ng3 Qc7 { Stockfish 16: -0.38/30 }) 21... Qf7 22. Qd3! Rbd8?! { Stockfish 16: 0.00/49 } (22... Rbe8 { Stockfish 16: -0.62/34 } 23. Bf4 Qf6 24. Be3 Re5 25. Bf4 Rxe1+ 26. Rxe1 g5 27. Bc1 Qf7 28. Bd2 Be5 29. b3 Kg7 30. Qe2 Ba8 31. Nd1 Bxd5 { Stockfish 16: -0.65/30 } 32. Bxd5 Nxd5 33. Qf3 f4 $17) 23. Rbd1?! { Stockfish 16: -0.89/35 } (23. b4 { Stockfish 16: 0.00/49 } 23... f4 24. Bc1 c4 25. Qd2 Rd7 26. Bb2 Be5 $10) 23... Rfe8?! { Stockfish 16: -0.21/36 } (23... g5 { Stockfish 16: -0.89/35 } 24. b4 f4 25. Bc1 c4 26. Qd2 Bc8) 24. Ne2?! { Stockfish 16: -0.62/38 } (24. h4 { Stockfish 16: -0.21/36 } 24... f4 25. Bd2 Be5 26. b3 b4 27. Ne2 Bxd5 28. Nxf4 Bxf3 29. Qxf3 Nb5 $15) 24... b4? { Stockfish 16: +0.43/37 } (24... g5 { Stockfish 16: -0.62/38 } 25. c4 (25. Ng3? f4 { Stockfish 16: -1.59/28 } 26. Bh5 Qxd5 27. Qxd5+ Nxd5 28. Bxe8 Rxe8 29. Nf5 fxe3 30. fxe3 Re6 31. e4 Nf4 32. Rxd6 Rxd6 33. Nxd6 Bc6 $19) 25... Bc8 26. Bc1 f4 27. Be4 bxc4 28. Qxc4 Nb5 29. b4 Bf5 30. Bxf5 Qxf5 31. bxc5 Re4 32. Qa2 dxc5 33. Bb2 Bxb2 34. Qxb2 Qe5 35. Qd2 Kg7 $15) 25. c3 bxc3 26. bxc3 Bc8?! { Stockfish 16: +1.01/32 } (26... g5 { Stockfish 16: +0.60/41 } 27. c4 Bc8 28. Bd2 Rf8 29. Rf1 Ne8 30. Ng3 f4 31. Bh5 Qf6 32. Ne4 Qd4 33. Qe2 Bf5 34. Bf3 { Stockfish 16: +0.51/30 }) 27. c4?! { Stockfish 16: +0.46/37 } (27. Nf4 { Stockfish 16: +1.01/32 } 27... Re5 28. Bd2 g5 29. Bh5 Qf6 30. Ng6 Re4 31. c4 Rde8 32. Qb1 Rxe1+ 33. Rxe1 Rxe1+ 34. Qxe1 $18) 27... Re7? { Stockfish 16: +1.63/35 } (27... g5 { Stockfish 16: +0.46/37 } 28. Bd2 Rf8 29. Rf1 Ne8 30. Rb1 Kh8 31. Rb6 Nf6 32. Bc3 $16) 28. h4?! { Stockfish 16: +1.02/38 } (28. Bd2 { Stockfish 16: +1.63/35 } 28... Rde8 29. Nf4 Rxe1+ 30. Bxe1 Be5 31. Bd2 Qh7 32. Rb1 g5 33. Nh5 Rd8 34. Rb8 $18) 28... Qf6? { Stockfish 16: +2.13/35 } (28... Ne8 { Stockfish 16: +1.02/38 } 29. Nf4 Nf6 30. Ne6 $18) 29. Nf4 Bd7?! { Stockfish 16: +2.56/31 } (29... Kh7 { Stockfish 16: +2.00/41 } 30. h5 g5 31. Ng6 Rf7 32. Bd2 Re8 33. Rb1 $18) 30. h5? { Stockfish 16: +0.62/40 } (30. Rb1 { Stockfish 16: +2.56/31 } 30... Kh7 31. Rb6 Qc3 32. Reb1 Qxd3 33. Nxd3 Ba4 34. Bxc5 Ne8 35. Bb4 Rc8 36. Rc1 Rec7 37. h5 Rxc4 38. hxg6+ Kg8 39. Rxc4 Rxc4) 30... g5 31. Ng6?! { Stockfish 16: +0.64/47 } (31. Ne6 { Stockfish 16: +0.94/40 } 31... Bxe6 32. dxe6 Rxe6 33. Bd2 Kh8 34. g3 Rxe1+ 35. Rxe1 d5 36. cxd5 Qd4 37. Qc2 g4 { Stockfish 16: +0.52/28 }) 31... Ree8 32. Bd2 g4 33. Be2 Re4? { Stockfish 16: +2.87/34 } (33... Nb5!? { Stockfish 16: +0.77/39 } 34. Rb1 Nc3 35. Rb7 Ne4 36. Bf4 Qd4 37. Be3 $16) 34. Rc1? { Stockfish 16: +1.40/43 } (34. Bf1 { Stockfish 16: +2.87/34 } 34... Ne8 35. Rb1 Qd4 36. Ne7+ Kf7 37. Nc6 Bxc6 38. dxc6 g3 39. Be3 Qe5 40. fxg3 $18) 34... Qd4? { Stockfish 16: +3.36/34 } (34... Nb5 { Stockfish 16: +1.40/43 } 35. Qg3 Nd4 36. Bd3 Rxe1+ 37. Rxe1 Re8 38. Be3 $18) 35. Qxd4 Rxd4 36. Bc3?! { Stockfish 16: +2.82/41 } (36. Be3 { Stockfish 16: +3.52/34 } 36... Kf7 37. Rb1 Bc8 38. Bxd4 Bxd4 39. Bd3 Ne8 40. g3 Bf6 41. Rb8 Ng7 42. Nf4 Be5 43. Bc2 Kf6 44. Ba4 Bc3 45. Ne6 Bxe6 46. Rxd8 Bxe1 47. Rxd6 Bxa5 48. dxe6 Nxe6 49. Kg2 Bc3 50. Rxa6) 36... Re4 37. Bxg7 Kxg7 38. Bd3?! { Stockfish 16: +1.78/40 } (38. Rb1 { Stockfish 16: +2.32/41 } 38... Be8 39. Nh4 Bd7 40. Rb7 Rc8 41. Ng6 Kf6 42. g3 Ba4 43. Nf4 Re7 44. Reb1 Ne8 45. Rxe7 Kxe7 46. Rb6 Kf6 47. Rxa6 Ke5 48. Ra7 Nf6 49. a6 Kd4 50. Rb7 Kc3 51. a7 Ra8 52. Ne6 Ne8 53. Rh7) 38... Rxe1+? { Stockfish 16: +2.86/31 } (38... Rd4 { Stockfish 16: +1.78/40 } 39. Re7+ Kf6 40. Bb1 Ne8 41. Rce1 Ng7 42. Nf8 Rxf8 43. Rxd7 Nxh5 44. Rxd6+ Kg5 45. g3 Rb8 46. Rb6 Rxb6 47. axb6 Rd2 48. Kg2 Rb2 49. d6 Nf6 50. Bd3 Rxb6 51. Re5 Kg6 52. Bxf5+ Kf7 53. Be6+ Ke8 54. Bxg4+ Kd8 55. Bf5 Rc6 56. Re6 Ne8 57. Rxh6 Nxd6 58. g4 a5 59. Bc2 Ra6 60. g5 Ke7 61. Ba4) 39. Rxe1 Re8?! { Stockfish 16: +3.89/40 } (39... Kf6 { Stockfish 16: +2.69/35 } 40. g3 Be8 41. Nf4 Bd7 42. Rb1 Ke5 43. Rb6 Ne8 44. Rxa6 Kd4 45. Bf1 Rc8 46. Ne6+ Kc3 47. Ra7 Ba4 48. Rh7 Nf6 49. Rxh6 Ne4 50. a6 Nd2 51. Ng5 Rb8 52. Rxd6 Rb1 53. a7 Rxf1+ 54. Kg2 Bd1 55. a8=Q Bf3+ 56. Nxf3 gxf3+ 57. Kh2 Rxf2+ 58. Kh3 Rf1 59. Qa3+ Kxc4 60. Qa4+ Kc3 61. Qa5+ Kd3) 40. Rb1 Kf6 41. Rb6! Kg5? { Stockfish 16: +5.97/35 } (41... Re1+ { Stockfish 16: +3.82/38 } 42. Kh2 Ne8 43. Nf8 Ba4 44. Rxa6 $18) 42. Rxd6 Ba4 43. g3 Re1+ 44. Bf1! Ne8 45. Rxa6 Bb3 46. Nf4! Nf6 47. Kg2! Rxf1 48. Ra7 Nxh5 49. Kxf1 Bxc4+ 50. Kg1! Nxf4 51. gxf4+ Kxf4 52. d6 { White loses 0.27 pawn per move (3 mistakes, 15 inaccuracies), Black loses 0.42 pawn per move (7 mistakes, 13 inaccuracies). } 1-0