[Event "CRO (CRO)"] [Site "ICCF"] [Date "????.??.??"] [Round "?"] [White "de Paz González, Yasset"] [Black "Ivec, Ivan"] [Result "1/2-1/2"] [ECO "E54"] [WhiteElo "2304"] [BlackElo "2436"] [Annotator "Stockfish 17.1"] [PlyCount "55"] [EventDate "2025.??.??"] {[%evp 20,55,-5,-6,-6,-10,-6,-7,-7,-8,-12,-11,-8,-11,-6,-8,-9,-8,0,-5,0,0,0,0,0,-8,-9,-11,-6,-9,-7,-9,0,0,-4,-1,5,8]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Be2 c5 7. O-O dxc4 8. Bxc4 cxd4 9. exd4 b6 10. Ne5 Bb7 11. Bg5 {The position is equal.} h6 {E54: Nimzo-Indian: Rubinstein: Main Line: 7...dxc4 8 Bxc4.} 12. Bxf6 Qxf6 13. f4 {[%CAl Of4f5] [#]} Nc6 $146 {[%CAl Oc6d4] [#] Threatens to win with ...Nxd4!} ({Predecessor:} 13... Rd8 14. f5 Bc5 15. Kh1 Rxd4 16. Qe2 Nc6 17. Nd7 Qe7 18. fxe6 fxe6 19. Qxe6+ Qxe6 20. Bxe6+ {1/2 Biedermann,T (2489)-Novak,J (2488) ICCF GMN/A/04 email ICCF email 2020}) 14. Nd7 $1 {[%csl LRf6,LRf8]} Qxd4+ 15. Qxd4 Nxd4 16. Nxf8 Kxf8 17. Bd3 {Wards off Nc2. White is weak on the dark squares} Bc5 18. Kh1 f5 {Wards off Be4} 19. Na4 {[#] Black must now prevent Nxc5.} Be7 20. Rad1 g5 21. Nc3 Rd8 22. fxg5 hxg5 23. Bc4 Bf6 24. Rd2 f4 25. Nb5 {aiming for Nxd4.} Bd5 {This pair of bishops is nice.} 26. b3 {[%CAl Ob5a7]} (26. Rxd4 $2 {too greedy.} Bxd4 27. Bxd5 Rxd5 28. Nxa7 Bxb2 $19) 26... Nxb5 27. Bxb5 {Hoping for Bc4.} Ke7 28. Rfd1 {An uneventful encounter. Weighted Error Value: White=0.01 (flawless) /Black=0.01 (flawless) . OK: White=11 Black=7 Strong: White=1 ---} 1/2-1/2