[Event "CRO (CRO)"] [Site "ICCF"] [Date "????.??.??"] [Round "?"] [White "de Paz González, Yasset"] [Black "Petrovic, Dorde R."] [Result "1/2-1/2"] [ECO "B31"] [WhiteElo "2304"] [BlackElo "2414"] [Annotator "Stockfish 18"] [PlyCount "122"] [EventDate "2025.??.??"] {[%evp 15,122,38,38,42,38,33,32,39,38,29,27,23,25,23,24,30,18,32,35,32,16,18,33,20,21,17,16,20,-30,-34,-32,-50,-18,-24,-17,-20,-27,-25,-19,-16,-18,-21,-22,-30,-17,-14,-27,-24,-12,-14,-17,-29,-15,-32,0,0,0,0,0,0,0,0,0,0,-13,0,0,-3,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 d5 8. e5 Ne4 9. Be3 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} cxd4 10. cxd4 Qb6 11. Qe2 {White is slightly better.} Bd7 {[%CAl Oc6e5]} 12. Ba4 Rac8 13. Nc3 Nxc3 14. bxc3 Qd8 {[%CAl Oc6e5]} 15. Rab1 Na5 16. Bxd7 Qxd7 17. Qb5 {[#] Inhibits Rc6.} Qd8 $146 ({Predecessor:} 17... Qxb5 18. Rxb5 b6 19. Rxd5 Rc7 20. Bf4 e6 21. Rb5 Rfc8 22. d5 exd5 23. Rxd5 Rxc3 {1/2 Kryvoruchko,Y (2658)-Mamedov,R (2646) EU-Cup 37th Mayrhofen 2022 (7.1)}) 18. h4 {[%CAl Bh2h4,Bh4h5][%mdl 32]} h6 {[#]} 19. h5 $1 g5 20. Qd3 {[%CAl Oe3g5]} e6 21. Bc1 f5 22. Nd2 Qe7 23. a4 Rf7 24. Qb5 Qd8 25. Nb3 Nc4 26. Nd2 Bf8 27. Nxc4 Rxc4 28. Bd2 Rd7 29. a5 {[%CAl Ba4a5,Ba5a6][%mdl 32]} Qe8 30. a6 b6 31. f3 f4 32. Kf2 Qf7 33. Rh1 Rdc7 34. Rbf1 R7c6 35. g4 {The position is equal.} fxg3+ 36. Kxg3 Qf5 37. Qb1 {Against Qd3} b5 38. Qxf5 exf5 39. Ra1 b4 40. cxb4 {[#] Hoping for b5.} Rxd4 41. Ra2 Bxb4 42. Bxb4 Rxb4 $11 {[%mdl 4096] Endgame. KRR-KRR} 43. Ra5 $1 d4 44. e6 f4+ ({But not} 44... Rxe6 45. Rxf5 Rb8 46. Rc1 $17) 45. Kg4 Rxe6 {And now ...Rb2 would win.} 46. Rc1 Rf6 47. Rd5 Rb2 {aiming for ...Rg2+.} 48. Rxd4 Rg2+ 49. Kh3 Rg3+ 50. Kh2 Rxf3 {...Kf7 would now be deadly.} 51. Rd7 Rf7 (51... Rxa6 $2 52. Rc8#) 52. Rc8+ Kg7 53. Rd6 g4 {Strongly threatening ...Rh3+.} 54. Rg6+ Kh7 {Threatens to win with ...Rh3+.} 55. Rxg4 Ra3 {...Ra5 is the strong threat.} 56. Rgg8 {Repels Ra5} Rd7 (56... Rxa6 $2 57. Rh8+ Kg7 58. Rcg8+ Kf6 59. Rxh6+ Ke5 60. Rxa6 $18) 57. Rh8+ Kg7 58. Rcg8+ Kf6 {White must now prevent ...Rd2+.} 59. Rxh6+ Kf5 60. Rf8+ Kg4 {( -> ...Ra2+)} 61. Rg6+ Kxh5 {Weighted Error Value: White=0.01 (flawless) /Black=0.03 (flawless) . Inaccurate: --- Black=2 OK: White=30 Black=32 Best: White=9 Black=1 Strong: White=1 ---} 1/2-1/2