[Event "Masthanaiah chess world 1978"] [Site "https://lichess.org/Vs0c7Up2"] [Date "2022.12.20"] [White "Mohandkale"] [Black "Masterritwik2013"] [Result "0-1"] [UTCDate "2022.12.20"] [UTCTime "13:30:00"] [WhiteElo "1661"] [BlackElo "895"] [WhiteRatingDiff "-45"] [BlackRatingDiff "+161"] [Variant "Standard"] [TimeControl "1200+20"] [ECO "B21"] [Opening "Sicilian Defense: McDonnell Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. f4 { B21 Sicilian Defense: McDonnell Attack } Nc6 3. Nf3 d6 4. c3 Bd7?! { (0.00 → 0.74) Inaccuracy. Nf6 was best. } (4... Nf6 5. d3 g6 6. g3 Bg7 7. Bg2 O-O 8. O-O b5 9. e5) 5. Bc4?! { (0.74 → 0.13) Inaccuracy. d4 was best. } (5. d4 cxd4 6. cxd4 e6 7. Nc3 d5 8. e5 Nh6 9. Bd3 Qb6) 5... Nf6?! { (0.13 → 0.81) Inaccuracy. e6 was best. } (5... e6 6. d4 Nf6 7. e5 Nd5 8. O-O Be7 9. Na3 O-O 10. Nc2) 6. d3?! { (0.81 → 0.05) Inaccuracy. e5 was best. } (6. e5 d5 7. Be2 Ng8 8. Na3 e6 9. Nc2 Nh6 10. O-O Be7) 6... g6 7. O-O Bg7?! { (0.28 → 1.13) Inaccuracy. Na5 was best. } (7... Na5 8. Bxf7+) 8. a3?! { (1.13 → 0.18) Inaccuracy. e5 was best. } (8. e5 dxe5 9. fxe5 Ng4 10. e6 fxe6 11. Ng5 Nge5 12. Na3 Qc8 13. Bb3 Nd8 14. Be3 Ndf7) 8... O-O 9. Ba2 e5 10. fxe5 dxe5 11. Nbd2 Nh5?! { (0.23 → 0.94) Inaccuracy. h6 was best. } (11... h6 12. Nc4 Be6 13. Nfxe5 Nxe5 14. Nxe5 Bxa2 15. Rxa2 Nxe4 16. dxe4 Bxe5 17. Qxd8 Raxd8 18. Bxh6) 12. Nc4 b5 13. Ncxe5?? { (1.02 → -4.15) Blunder. Ne3 was best. } (13. Ne3 Nf4 14. Nd5 Be6 15. Nxf4 exf4 16. Bxf4 Bxa2 17. Rxa2 Qd7 18. Qe2 f5 19. Be3 c4) 13... Nxe5 14. Nxe5 Bxe5 15. g4? { (-4.12 → -7.38) Mistake. d4 was best. } (15. d4 cxd4 16. cxd4 Bc7 17. Qe1 Bg4 18. Be3 Be6 19. d5 Qd6 20. Qh4 Bd7 21. Rac1 Bb6) 15... Nf6? { (-7.38 → -4.06) Mistake. Qh4 was best. } (15... Qh4 16. Qd2 Bxg4 17. a4 c4 18. axb5 cxd3 19. Bd5 Be2 20. Rf2 Nf6 21. Qh6 Qxh6 22. Bxh6) 16. Qf3? { (-4.06 → -6.77) Mistake. h3 was best. } (16. h3 Qb6 17. Be3 Be6 18. Bxe6 Qxe6 19. Bxc5 Rfe8 20. Qf3 Nd7 21. Bf2 Bc7 22. Bh4 f6) 16... Bxg4 17. Qh3?! { (-6.62 → -18.81) Inaccuracy. Qe3 was best. } (17. Qe3 Nd7 18. a4 Qh4 19. Qh6 Bh5 20. Bf4 Qg4+ 21. Kh1 Qh3 22. Kg1 c4 23. d4 Bg7) 17... Bxh3 18. Bh6?! { (-19.73 → Mate in 8) Checkmate is now unavoidable. Rf3 was best. } (18. Rf3 Qd7 19. Be6 Qxe6 20. Kf2 Qg4 21. Rxh3 Qxh3 22. Bg5 Qxh2+ 23. Kf3 Qg3+ 24. Ke2 Qg2+) 18... Bxf1?! { (Mate in 8 → -17.70) Lost forced checkmate sequence. Qxd3 was best. } (18... Qxd3 19. Bd5 Ng4 20. Rae1 Qc2 21. Bd2 Qxd2 22. Re2 Qxe2 23. Bxf7+ Rxf7 24. Rf2 Qxf2+ 25. Kh1) 19. Rxf1 Ng4 20. Be3?! { (-18.19 → Mate in 7) Checkmate is now unavoidable. Bf4 was best. } (20. Bf4 Qxd3 21. Bxe5 Qe3+ 22. Kg2 Qe2+ 23. Kg3 Nxe5 24. Rxf7 Qg4+ 25. Kf2 Nxf7 26. Bd5 Rad8) 20... Nxe3 21. Rf3 Qg5+ 22. Kf2 Qh4+ 23. Kxe3?! { (-21.85 → Mate in 1) Checkmate is now unavoidable. Ke2 was best. } (23. Ke2 Qxh2+ 24. Rf2 Ng2 25. Kd2 Qg1 26. Bxf7+ Kh8 27. Rxg2 Qxg2+ 28. Kc1 Qf1+ 29. Kc2 Qe2+) 23... Kg7?! { (Mate in 1 → -19.80) Lost forced checkmate sequence. Qe1# was best. } (23... Qe1#) 24. d4?! { (-19.80 → Mate in 15) Checkmate is now unavoidable. Ke2 was best. } (24. Ke2 Rad8 25. h3 Qg5 26. Bb3 f6 27. a4 Qg2+ 28. Rf2 Qxh3 29. Bd5 Qg4+ 30. Rf3 Rb8) 24... cxd4+?! { (Mate in 15 → -25.22) Lost forced checkmate sequence. Qe1+ was best. } (24... Qe1+ 25. Kd3 cxd4 26. Kc2 dxc3 27. bxc3 Qe2+ 28. Kc1 Qxf3 29. Bc4 Qxc3+ 30. Kd1 Rfd8+ 31. Bd3) 25. cxd4?! { (-25.22 → Mate in 9) Checkmate is now unavoidable. Ke2 was best. } (25. Ke2 Qxe4+ 26. Kf2 Qc2+ 27. Kf1 dxc3 28. Rxc3 Qd1+ 29. Kf2 Bxh2 30. Re3 Rfd8 31. Rd3 Qg1+) 25... Bxh2?! { (Mate in 9 → -18.33) Lost forced checkmate sequence. Qe1+ was best. } (25... Qe1+ 26. Kd3 Qd1+ 27. Ke3 Bxd4+ 28. Kf4 g5+ 29. Kg3 h5 30. Be6 fxe6 31. Rf4 Rxf4 32. h4) 26. Bd5?! { (-18.33 → Mate in 9) Checkmate is now unavoidable. Kd3 was best. } (26. Kd3 Rfe8 27. Rxf7+ Kh8 28. Be6 Qe1 29. e5 Qd1+ 30. Ke3 Rg8 31. Ke4 a5 32. Bd7 Qc2+) 26... Qe1+ 27. Kd3 f5?! { (Mate in 8 → -28.17) Lost forced checkmate sequence. Qd1+ was best. } (27... Qd1+ 28. Ke3 f5 29. Rxf5 Bg1+ 30. Kf4 Qd3 31. Ke5 Qg3+ 32. Ke6 Rad8 33. Rf7+ Rxf7 34. Bc6) 28. e5?! { (-28.17 → Mate in 6) Checkmate is now unavoidable. Kc2 was best. } (28. Kc2 Rac8+) 28... g5?! { (Mate in 6 → -19.26) Lost forced checkmate sequence. Rac8 was best. } (28... Rac8 29. Bb3 Qe4+ 30. Kd2 Qxf3 31. d5 Bf4+ 32. Ke1 Rc1+ 33. Bd1 Rxd1#) 29. e6?! { (-19.26 → Mate in 5) Checkmate is now unavoidable. Kc2 was best. } (29. Kc2 Rad8 30. Bb7 g4 31. Rc3 a5 32. Bc6 Rb8 33. Rb3 Qe2+ 34. Kb1 a4) 29... g4?! { (Mate in 5 → -68.31) Lost forced checkmate sequence. Rac8 was best. } (29... Rac8 30. Rf2 Qxf2 31. Bc6 Rxc6 32. e7 Qf1+ 33. Kd2 Bf4#) 30. Re3?! { (-68.31 → Mate in 4) Checkmate is now unavoidable. Kc2 was best. } (30. Kc2 gxf3 31. Kb3 f2 32. Bg2 f1=Q 33. Bxf1 Qxf1 34. Ka2 Rfc8 35. a4 bxa4 36. b3 axb3+) 30... Qf1+?! { (Mate in 4 → -24.80) Lost forced checkmate sequence. Qd1+ was best. } (30... Qd1+ 31. Kc3 Rac8+ 32. Bc6 Rxc6+ 33. Kb4 Qa4#) 31. Kc3?! { (-24.80 → Mate in 5) Checkmate is now unavoidable. Kc2 was best. } (31. Kc2 Rac8+ 32. Rc3 Bf4 33. Bc6 Qc1+ 34. Kb3 Qxc3+ 35. bxc3 Rxc6 36. d5 Rc4 37. a4 Rxa4) 31... Rac8+ 32. Kb4 Qh3?! { (Mate in 5 → -15.42) Lost forced checkmate sequence. Rc4+ was best. } (32... Rc4+ 33. Kxb5 Rb8+ 34. Bb7 Rxd4+ 35. Re2 Qxe2+ 36. Ka5 Bc7#) 33. Rxh3 gxh3 34. Kxb5 Rb8+ 35. Ka6 Rfd8 36. Bb7 Rd6+ 37. Kxa7 Rxb7+ 38. Kxb7 Rxe6 39. b4 f4 40. d5?! { (-27.37 → Mate in 8) Checkmate is now unavoidable. b5 was best. } (40. b5 f3 41. b6 Bg3 42. Ka7 f2 43. d5 Re7+ 44. b7 h2 45. Kb6 f1=Q 46. b8=R Bxb8) 40... Re8?! { (Mate in 8 → -19.90) Lost forced checkmate sequence. Rd6 was best. } (40... Rd6 41. b5 f3 42. b6 f2 43. a4 f1=Q 44. a5 Rxd5 45. Kc6 Rxa5 46. Kb7 Qa6+ 47. Kc6) 41. d6 f3 42. d7?! { (-22.39 → Mate in 15) Checkmate is now unavoidable. Kc7 was best. } (42. Kc7 Kf7) 42... Re7?! { (Mate in 15 → -60.91) Lost forced checkmate sequence. Rd8 was best. } (42... Rd8 43. a4 f2 44. b5 Bg3 45. Kb6 h2 46. a5 Rxd7 47. Kc6 h1=Q+ 48. Kc5 Qd5+ 49. Kb4) 43. Kc8?! { (-60.91 → Mate in 9) Checkmate is now unavoidable. Kc6 was best. } (43. Kc6 Rxd7 44. Kxd7 f2 45. a4 f1=Q 46. Kc6 Qc4+ 47. Kb6 Qxb4+ 48. Kc6 Qxa4+ 49. Kc5 Bg1+) 43... Rxd7 44. Kxd7 f2 45. b5 f1=Q 46. b6 Qb5+ 47. Kc8 Qxb6 48. a4 Qc7# { Black wins by checkmate. } 0-1