[Event "USCF 21ENs04 - 2021 Electronic Knights"] [Site "?"] [Date "2023.03.01"] [Round "?"] [White "Buss, Michael D"] [Black "Schroeer, Egbert"] [Result "1/2-1/2"] [ECO "B07"] [WhiteElo "2423"] [BlackElo "1947"] [Annotator "Schroeer,Egbert"] [PlyCount "94"] [EventDate "2023.03.01"] [EventType "tourn (corr)"] [EventCountry "USA"] [SourceVersionDate "2021.05.17"] {[%evp 13,94,64,63,67,67,66,68,69,67,69,60,56,55,59,56,61,64,72,72,67,67,64,66,66,60,60,61,60,60,53,68,52,56,9,17,14,19,13,14,16,21,21,27,21,17,16,14,14,14,17,33,16,16,16,16,16,16,16,16,16,16,14,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,15,15,15,18]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. h3 Nbd7 6. f4 Bg7 7. Nf3 O-O 8. e5 {White is more active. B07: Pirc Defence: Miscellaneous Systems.} Nd5 9. Nxd5 cxd5 10. Bd3 {White is slightly better.} Qb6 11. Qd2 dxe5 (11... Qxb2 12. O-O Qb6 13. Rae1 $11) 12. fxe5 f6 {[%CAl Rf6e5]} 13. O-O-O fxe5 14. dxe5 Qc7 15. Bb5 e6 16. Bxd7 Bxd7 {[%CAl Bc8d7,Bd7e8,Be8g6][%mdl 32] [#]} 17. Kb1 $146 ({Predecessor:} 17. Bh6 Bxh6 18. Qxh6 Ba4 19. Qd2 Rac8 20. b3 Bd7 21. Kb2 a5 22. Rhe1 b5 23. Rc1 {½-½ Castle Jr,T (2147)-Morihama,N (2235) WZ-ch sf12 email ICCF email 2019}) 17... Rac8 (17... Bxe5 18. Nxe5 Qxe5 19. Bh6 $11) 18. Rhe1 a5 (18... Ba4 19. Rc1 a5 {[%CAl Of8f3]} 20. Bg5 Rf7 21. h4 Rcf8 22. Qe3) (18... Bxe5 19. Nxe5 Qxe5 20. Bh6 $16) 19. Bd4 (19. Bg5 Rf7 20. Bf6 Bxf6 21. exf6 Rxf6) 19... Be8 20. Bc3 (20. Rc1) 20... Ra8 21. Nh2 {[%CAl Bf3h2,Bh2g4,Bg4f6][%mdl 32]} g5 22. Ng4 (22. Qxg5 {aiming for Ng4.} b5 {White must now prevent ...Bg6.} 23. Ng4 Kh8) 22... Bg6 23. Qxg5 b5 {[%CAl Bb7b5,Bb5b4][%mdl 32] And now ...b4 would win.} (23... Kh8 {better?} 24. Rd4 Rf5 {Against Nf6} 25. Qe3) 24. Nf6+ Kh8 {Hoping for ...b4.} 25. Rd4 {[%CAl Og5g6] Threatens to win with Qxg6!} b4 {[#]} 26. Qxg6 $1 {[%csl Gf6][%CAl Rg6h7] this is brilliant; Rxf6 is a sac. If I take the Q, I'm toast} Rxf6 (26... Bxf6 27. Qd3 $1 Bg5) (26... hxg6 $2 27. Rh4+) (26... Bxf6 {simplifies} 27. Qd3 Bg5 28. Bd2 Bxd2 29. Qxd2 Qf7) 27. Qd3 Rf2 {[#]} 28. Rh4 $1 {[%csl Gh4][%CAl Rd3h7]} Bf8 29. Bd2 Rxg2 30. Rf1 Rc8 31. b3 {White gets a backward pawn on c2} Qg7 (31... Qxe5 $2 32. Qxh7#) 32. Bh6 (32. Rhf4 $5 {[%CAl Rd3a6]}) 32... Qe7 {The position is equal.} 33. Rhf4 {White doubles rooks in the f-file} Bxh6 34. Rf7 {White threatens mate multiple times} Qxf7 {is a sac} 35. Rxf7 {[%csl Gf7][%CAl Rd3h7]} Bg7 $1 36. Qa6 {Double attack on a5/c8/e6. Really sharp! expected Qf1} (36. Rf1 $5 {[%CAl Rd3a6]}) 36... Rgxc2 {Black threatens mate multiple times Black threatens mate multiple times} (36... Rg1+ 37. Rf1 Rxf1+ 38. Qxf1 Bxe5 39. a4 $16) 37. Rf1 {[%CAl Oe7e8] Dodges Rc1+} (37. Qxa5 $2 {gets mated.} Rc1+ 38. Kb2 Bxe5#) 37... Bxe5 {[#] Black gets connected pawns on d5/e6, 37...Bxe5 fixates the king on b1 Black gets connected pawns on d5/e6, 37...Bxe5 fixates the king on b1. ( -> ...Rb2+)} 38. Rf8+ $1 {[%mdl 64] is a sac is a sac. Deflection} Rxf8 39. Kxc2 $11 {[%mdl 4096] Endgame. KQ-KRB} Rf2+ 40. Kd3 Rxa2 (40... Rf3+ $2 41. Ke2 Rf4 42. Qxe6 Re4+ 43. Kf3 $18) 41. Qxe6 Bc3 42. Ke3 {didn't expect this, but centering the K makes sense} (42. Qe8+ {Endgame Q-RB after 42.Qe8+ Endgame Q-RB after 42.Qe8+} Kg7 43. Qd7+ {Double attack on d5/g7} Kh8 {White is weak on the dark squares, White is slightly better White is weak on the dark squares Black wins two pawns, White is slightly better}) (42. Qxd5 Rd2+ 43. Ke4 Rxd5 44. Kxd5 a4 45. bxa4 b3 46. Kc4 b2 47. Kb3 b1=Q+ (47... b1=B $2 {is the wrong capture.} 48. Kxc3 Bf5 49. h4 $19) 48. Kxc3 h5 49. h4 Qe4 50. Kb3 Qxh4 51. a5 Qe4 52. Kb2 h4 53. Kb3 h3 54. a6 h2 55. a7 h1=Q 56. a8=Q+ Qxa8 57. Kc3 Qa4 58. Kd2 Qd4+ 59. Ke2 Qhd1#) 42... Rd2 43. Qf7 $1 {[%CAl Rf7f8]} (43. Qe8+ Kg7) 43... Rg2 44. Qxd5 Rg3+ 45. Kf4 $5 (45. Ke4 Rxh3 $2 {[%eval 693,25][%mdl 8192] is losing} (45... Rg1 $11 {[%eval 16,53]})) (45. Ke2 Kg7 46. Qxa5 {Strongly threatening Qc7+.} Kh6 47. h4 Rg4 48. Qd8 Kh5 49. Qe8+ Kxh4 50. Qe7+ Rg5 51. Qxh7+ Kg4) 45... Rg8 (45... Rg6 46. h4 (46. Kf5)) (45... Rxh3 $2 46. Qd8+ Kg7 47. Qd7+ Kf8 48. Qxh3 $18) 46. Qxa5 (46. h4 Rg7 47. Qd8+) 46... Rf8+ 47. Kg3 Rf7 {A fantastic game! Weighted Error Value: White=0.02 (flawless) /Black=0.01 (flawless) . Inaccurate: White=1 --- OK: White=23 Black=24 Best: White=2 Black=6 Strong: --- Black=1 Brilliant: White=1 ---} 1/2-1/2