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SF 16 · 7MBNNUE
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1e4+0.2c5+0.32Nf30.0d60.03d4+0.2cxd4+0.14Qxd40.0Nf60.05Be2+0.2g6+0.26O-O0.0Bg7+0.27h30.0O-O+0.28Nc3+0.1Be60.09Qe3+0.2Qb6+0.210Qxb6+0.1axb60.011Rd1−0.1Nbd7+0.212Ng50.0Rfc8+0.313Nxe6+0.4fxe6+0.414Be3−0.1Rxc3−0.215bxc3−0.3Nxe4−0.316Bd4?!−1.0...Inaccuracy. Bc4 was best.16.Bc4Ndc517.Bxc5[...]16...Nxc3−1.017Bxc3−1.1Bxc3−1.218Rab1−1.2Kf7?!−0.6Inaccuracy. Nc5 was best.18...Nc519.Rxb6Rxa2[...]19Rd3−0.5Bf6−0.520a3−0.7Rc8−0.521c4−0.6Rc5−0.422Re3−0.7Bd4−0.823Rd3−0.8e5−0.724Bf3−1.1e6−1.325Bxb7?−3.0...Mistake. Be2 was best.25.Be225...Rxc4−2.826Ba6?!−4.0...Inaccuracy. Rdd1 was best.26.Rdd1Rc727.Bf3[...]26...Rc2−3.727Rf3+?!−4.7...Inaccuracy. Rdd1 was best.27.Rdd127...Ke7−4.728Bd3−4.7Rd2−4.929Kf1−4.5d5−4.830Ke1−5.4Ra2−5.331Bb5−6.8e4−7.532Rfb3−7.0Bxf2+−7.233Kf1−7.1Bd4−7.134Rd1−7.1Bc5−6.835Rc1−8.0Rf2+−8.436Ke1−8.1Rxg2−8.137a4−8.1Ne5−8.938a5−8.3Nf3+−8.039Kf1?#−1...Checkmate is now unavoidable. Rxf3 was best.39.Rxf3exf339...Rf2#
0-1
Checkmate • Black is victorious
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FEN
[Event "Rated classical game"] [Site "https://lichess.org/rZRUsQsS"] [Date "2021.12.05"] [White "Brundd"] [Black "HampshireHawk"] [Result "0-1"] [GameId "rZRUsQsS"] [UTCDate "2021.12.05"] [UTCTime "19:02:56"] [WhiteElo "2123"] [BlackElo "2149"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+13"] [Variant "Standard"] [TimeControl "2700+45"] [ECO "B53"] [Opening "Sicilian Defense: Chekhover Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 { B53 Sicilian Defense: Chekhover Variation } Nf6 5. Be2 g6 6. O-O Bg7 7. h3 O-O 8. Nc3 Be6 9. Qe3 Qb6 10. Qxb6 axb6 11. Rd1 Nbd7 12. Ng5 Rfc8 13. Nxe6 fxe6 14. Be3 Rxc3 15. bxc3 Nxe4 16. Bd4?! { (-0.32 → -0.99) Inaccuracy. Bc4 was best. } (16. Bc4 Ndc5 17. Bxc5 Nxc5 18. a4 d5 19. Bb5 Ne4 20. Ra3 Nxc3 21. Rd3 Ne4 22. g4 Bb2) 16... Nxc3 17. Bxc3 Bxc3 18. Rab1 Kf7?! { (-1.17 → -0.59) Inaccuracy. Nc5 was best. } (18... Nc5 19. Rxb6 Rxa2 20. Rc1 Bd2 21. Rcb1 Rxc2 22. R6b2 Rxb2 23. Rxb2 Ba5 24. Ra2 b6 25. f4) 19. Rd3 Bf6 20. a3 Rc8 21. c4 Rc5 22. Re3 Bd4 23. Rd3 e5 24. Bf3 e6 25. Bxb7? { (-1.26 → -2.98) Mistake. Be2 was best. } (25. Be2) 25... Rxc4 26. Ba6?! { (-2.85 → -4.00) Inaccuracy. Rdd1 was best. } (26. Rdd1 Rc7 27. Bf3 d5 28. Kf1 Ra7 29. Rb3 Bc5 30. Be2 Nf6 31. f3 Nh5 32. Bd3 Kf6) 26... Rc2 27. Rf3+?! { (-3.69 → -4.73) Inaccuracy. Rdd1 was best. } (27. Rdd1) 27... Ke7 28. Bd3 Rd2 29. Kf1 d5 30. Ke1 Ra2 31. Bb5 e4 32. Rfb3 Bxf2+ 33. Kf1 Bd4 34. Rd1 Bc5 35. Rc1 Rf2+ 36. Ke1 Rxg2 37. a4 Ne5 38. a5 Nf3+ 39. Kf1? { (-8.00 → Mate in 1) Checkmate is now unavoidable. Rxf3 was best. } (39. Rxf3 exf3) 39... Rf2# { Black wins by checkmate. } 0-1
01
BrunddHampshireHawk
01
Brundd −11
3 Inaccuracies
2 Mistakes
0 Blunders
33 Average centipawn loss
90%Accuracy
Learn from your mistakes
HampshireHawk +13
1 Inaccuracy
0 Mistakes
0 Blunders
9 Average centipawn loss
98%Accuracy
Recommended puzzle training
Sicilian Defense: Chekhover Variation
  1. mgold Go Brundd!
  2. HampshireHawk Rxc3 is something to consider here.
  3. HampshireHawk 14.Be3 seems to invite it
  4. HampshireHawk Intuitively it feels like great compensation. Just need to sort a few details.
  5. mgold Yeah I was thinking the same thing on the exchange sac
  6. mgold It looks strong here
  7. mgold 16. Bd4 Nxc3 looks interesting too
  8. mgold a2 tactically defended by the bishop
  9. mgold Interesting imbalanced position here
  10. mgold I think white should probably still be better here, black has a few too many weaknesses
  11. HampshireHawk I can't take a2 because of Bc4. Looking for some move against that, either Kf7 or d5
  12. mgold And in theory white maybe has the option to trade a pair of rooks and sac back the exchange to get to an opposite colored bishops endgame
  13. mgold (If things start looking too risky)
  14. HampshireHawk I think 18...Kf7 is preferable. One step closer to the centre with the king and staying flexible with the pawns
  15. mgold 19. a4 maybe?
  16. HampshireHawk 19...Bf6 is better than other moves imo as it means Rf3 will never be check
  17. HampshireHawk Nc5 comes next and I'm liking my setup
  18. HampshireHawk I have some weaknesses but it seems difficult to exploit them. Interested to see what plan Brundd comes up with.
  19. Brundd (20) 20.Re3 Rxa2 Bc4 Rxc2 Bxe6+ Ke8 Bxd7+ Kxd7 Rxb6 Bd4 is annoying because I cannot save the rooks and protect f2
  20. HampshireHawk 20...Rc8 switching targets.
  21. HampshireHawk 21.Bd1 holds the pawn but seems passive. No wonder white is looking for something else
  22. mgold In Brundd’s Re3 line, why not just Rf3 instead if Rxb6? Grabbing the pawn seems unnecessary.
  23. HampshireHawk 23...e5 Not sure who benefits more from this development
  24. HampshireHawk 25.Rc1 can be met with Rc7 but there's also 25...b5 which is interesting
  25. HampshireHawk Ah, perhaps 29...Nc5 was more accurate
  26. HampshireHawk I thought perhaps 31.Be2 was better to cut off the rook from attacking f2
  27. KapuBen go go HampshireHawk!
  28. KapuBen niice
  29. KapuBen GG
  30. Brundd This endgame was so tricky, at first it looks decent for white but after thinking there are just no plans
  31. HampshireHawk Yeah that was a constant difficulty
  32. HampshireHawk First time I've got one of these Rxc3 sacs in a long play game, felt a lot easier for black to play
  33. Brundd I wasn't convinced about the sack but SF proves me wrong like always
  34. mgold Gg both
  35. HampshireHawk I think it's one of those things you just go for as black if you get the chance. Never going to be much worse and always some play somewhere
  36. mgold wow 8 acpl
  37. HampshireHawk I wouldn't read too much into that, the moves were fairly easy to come by in such positions
  38. Brundd I never know how to judge these things, sometimes it's good sometimes it's bad