[Event "Masterclass play Arena"] [Site "https://adjva4.dpdns.org/K1tSlGNA"] [Date "2026.04.26"] [Round "-"] [White "Arjunmuralirajan1234"] [Black "oopslogolus"] [Result "1-0"] [GameId "K1tSlGNA"] [UTCDate "2026.04.26"] [UTCTime "16:20:09"] [WhiteElo "1075"] [BlackElo "643"] [WhiteRatingDiff "+47"] [BlackRatingDiff "-5"] [Variant "Standard"] [TimeControl "420+3"] [ECO "A40"] [Opening "Mikenas Defense"] [Termination "Normal"] [Annotator "adjva4.dpdns.org"] 1. d4 { [%eval 0.15] } 1... Nc6 { [%eval 0.6] } { A40 Mikenas Defense } 2. d5 { [%eval 0.5] } 2... Nd4?? { (0.50 → 4.51) Blunder. Nb8 was best. } { [%eval 4.51] } (2... Nb8 3. c4 e6 4. a3 Bc5 5. Nf3 a5 6. Nc3 d6 7. Rb1) 3. Qxd4 { [%eval 4.46] } 3... e6 { [%eval 4.71] } 4. Qd1 { [%eval 3.97] } 4... Bb4+ { [%eval 4.3] } 5. c3 { [%eval 4.4] } 5... Nf6?! { (4.40 → 6.01) Inaccuracy. Bc5 was best. } { [%eval 6.01] } (5... Bc5 6. c4 Nf6 7. e3 Ne4 8. Nf3 O-O 9. Be2 exd5 10. cxd5 Nxf2 11. Kxf2) 6. cxb4 { [%eval 5.83] } 6... Nxd5 { [%eval 5.72] } 7. a3 { [%eval 5.77] } 7... Qf6 { [%eval 6.11] } 8. Ra2 { [%eval 5.23] } 8... Nc3?! { (5.23 → 7.41) Inaccuracy. Nb6 was best. } { [%eval 7.41] } (8... Nb6 9. Nc3 d5 10. Be3 Nc4 11. Nf3 Nxe3 12. fxe3 O-O 13. g4 Rd8 14. Bg2) 9. bxc3 { [%eval 7.13] } 9... a6 { [%eval 7.39] } 10. Qd3 { [%eval 6.73] } 10... a5 { [%eval 6.75] } 11. bxa5 { [%eval 6.72] } 11... Ra6 { [%eval 7.03] } 12. Bg5 { [%eval 5.45] } 12... Qxg5 { [%eval 5.26] } 13. Qf3?? { (5.26 → Mate in 1) Checkmate is now unavoidable. Rd2 was best. } { [%eval #-1] } (13. Rd2 Rxa5 14. Nf3 Qg6 15. e4 Qh6 16. Nd4 e5 17. Nb3 Ra4) 13... Qe7?? { (Mate in 1 → 5.17) Lost forced checkmate sequence. Qc1# was best. } { [%eval 5.17] } (13... Qc1#) 14. Qh5 { [%eval 4.75] } 14... d5 { [%eval 4.91] } 15. Qg4 { [%eval 4.19] } 15... Kd7?! { (4.19 → 5.83) Inaccuracy. O-O was best. } { [%eval 5.83] } (15... O-O 16. e3 e5 17. Qd1 Rxa5 18. Nf3 c5 19. Be2 e4 20. O-O exf3 21. Bxf3) 16. Qxg7 { [%eval 6.1] } 16... Rb6 { [%eval 8.2] } 17. Qxh8?? { (8.20 → 2.97) Blunder. axb6 was best. } { [%eval 2.97] } (17. axb6 Qd6 18. Rd2 Ke7 19. Qxh8 Bd7 20. Qxh7 Qf4 21. e3 Qa4 22. Qc2 Qxc2) 17... Rxb1+ { [%eval 2.7] } 18. Kd2 { [%eval 2.77] } 18... Qc5? { (2.77 → 4.69) Mistake. Rxf1 was best. } { [%eval 4.69] } (18... Rxf1 19. h4 e5 20. Rh3 Rxg1 21. Rf3 e4 22. Rf5 Qe6 23. Rf6 Qe7 24. Qg7) 19. Rb2?? { (4.69 → -2.55) Blunder. Nf3 was best. } { [%eval -2.55] } (19. Nf3 Qb5 20. Rc2 c5 21. e3 c4 22. Qg8 Qxa5 23. Qxf7+ Kd6 24. Qf8+ Kc7) 19... Qd4+?? { (-2.55 → 7.56) Blunder. Rxb2+ was best. } { [%eval 7.56] } (19... Rxb2+ 20. Ke1 Rb1+ 21. Kd2 Qxa3 22. Ke3 Rxf1 23. Kf4 Qc1+ 24. Kf3 Qb1 25. Qf6) 20. cxd4 { [%eval 7.81] } 20... c5 { [%eval 11.38] } 21. Rxb1 { [%eval 11.46] } 21... c4 { [%eval 10.98] } 22. a4 { [%eval 10.9] } 22... c3+ { [%eval 11.94] } 23. Kxc3 { [%eval 11.59] } 23... b5?! { (11.59 → Mate in 6) Checkmate is now unavoidable. f6 was best. } { [%eval #6] } (23... f6 24. e3 Kc7 25. a6 bxa6 26. Qxh7+ Kd8 27. Nf3 e5 28. Rb8 a5 29. dxe5) 24. Rxb5 { [%eval #6] } 24... Ba6 { [%eval #4] } 25. Rb4?! { (Mate in 4 → 13.44) Lost forced checkmate sequence. Rb8 was best. } { [%eval 13.44] } (25. Rb8 Bc8 26. Qxc8+ Kd6 27. Rb7 e5 28. Qd7#) 25... Bxe2?! { (13.44 → Mate in 3) Checkmate is now unavoidable. Bc8 was best. } { [%eval #3] } (25... Bc8 26. e4 Kc7 27. Qe5+ Kd7 28. exd5 f6 29. Qxe6+ Kd8 30. Qg8+ Kc7 31. d6+) 26. Bxe2 { [%eval #3] } 26... e5 { [%eval #3] } 27. Qxe5 { [%eval #2] } 27... f5 { [%eval #2] } 28. Qxd5+ { [%eval #3] } 28... Ke7 { [%eval #3] } 29. Qxf5 { [%eval #2] } 29... h6 { [%eval #2] } 30. Rb6 { [%eval #2] } 30... h5 { [%eval #2] } 31. Qxh5 { [%eval #3] } 31... Kd7 { Black offers draw } { [%eval #3] } 32. Qh7+ { [%eval #2] } 32... Ke8 { [%eval #1] } 33. Rb8# { White wins by checkmate. } 1-0