[Event "EU/TC12/sf1"] [Site "ICCF"] [Date "????.??.??"] [Round "?.3"] [White "Probola, Ryszard"] [Black "Ivec, Ivan"] [Result "1/2-1/2"] [ECO "B90"] [WhiteElo "2442"] [BlackElo "2427"] [Annotator "Stockfish 15 Tactical Analysis"] [PlyCount "58"] [EventDate "2021.??.??"] [WhiteTeam "Poland"] [BlackTeam "Croatia"] [WhiteTeamCountry "POL"] [BlackTeamCountry "CRO"] {[%evp 15,58,29,49,26,21,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Qd2 Nbd7 9. O-O-O {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Be7 10. f4 {Black must now prevent f5. The position is equal.} Ng4 11. g3 b5 12. Kb1 b4 13. Nd5 Bxd5 14. exd5 { aiming for Bg1.} Nxe3 15. Qxe3 O-O 16. Bh3 Bf6 17. Bxd7 Qxd7 18. Na5 Rfe8 19. Nc6 exf4 20. Qxf4 a5 {[%CAl Ba6a5,Ba5a4,Ba4a3][%mdl 32]} 21. g4 h6 $1 22. Qf3 { [#] Against Re2} a4 $146 ({Predecessor:} 22... Bh4 23. Rdf1 Qb7 24. Qh3 Bf6 25. Rxf6 gxf6 {1/2 (25) Probola,R (2345)-Klochan,P (2351) ICCF email 2018}) 23. Nxb4 a3 $1 24. b3 $1 {[#] Threatens to win with Nc6.} Qb5 25. Nc6 {Strongly threatening Rhe1.} Re2 {And now ...Rae8 would win.} 26. Qd3 Qxd3 27. Rxd3 { b4 is the strong threat.} Rae8 28. h3 $1 Rf2 29. Nd4 {[#] Prevents Ree2. Hoping for Nb5.} Rc8 {Weighted Error Value: White=0.02 (flawless) /Black=0.00 (flawless)} 1/2-1/2