[Event "Slav Cup"]
[Site "ICCF"]
[Date "????.??.??"]
[Round "?.4"]
[White "Kolpak, Sergey F."]
[Black "Barbaric, Vuk-Tadija"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2349"]
[BlackElo "2350"]
[Annotator "Stockfish 15 Tactical Analysis"]
[PlyCount "62"]
[EventDate "2021.??.??"]
[WhiteTeam "Russia 1"]
[BlackTeam "Croatia"]
[BlackTeamCountry "CRO"]
{[%evp 9,62,33,48,33,51,44,61,48,63,28,45,24,32,21,43,23,28,17,31,25,23,18,27,
15,21,13,26,20,20,11,31,17,28,21,23,27,25,18,43,14,7,0,0,0,0,0,0,0,0,0,0,0,0,0,
0]} 1. Nf3 d5 2. d4 Nc6 3. e3 Bg4 4. Nbd2 e5 5. h3 Bxf3 6. Nxf3 {D02: 1 d4 d5
2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} e4 7. Nd2 f5 8. c4
{Black must now prevent Qb3. White is slightly better.} Nf6 $1 {[%CAl Of5f4]}
9. Qb3 {[#]} (9. g4 $14) 9... Na5 $146 (9... Bb4 10. a3 Bxd2+ 11. Bxd2 $16) ({
Predecessor:} 9... Rb8 10. a3 Bd6 11. cxd5 Ne7 12. Qb5+ Qd7 13. Qxd7+ Nxd7 14.
Nc4 Nxd5 15. Nxd6+ cxd6 {0-1 (66) Gur,T (1724)-Ince,S (1905) Manavgat 2018})
10. Qc2 (10. Qc3 $5 {[%CAl Rc3a5]} Nc6 11. Qb3 $14) 10... c6 11. a3 {[%CAl
Ba2a3,Ba3a4][%mdl 32]} a6 12. b4 (12. c5 {is more complex.} b5 13. cxb6 Qxb6
14. b4 Nb7 15. Rb1) 12... Nxc4 13. Nxc4 dxc4 14. Bxc4 Qd7 15. O-O Be7 16. a4 {
Bd2 is the strong threat.} Nd5 $1 17. Bd2 {[%CAl Ob4b5] And now b5! would win.}
O-O $1 18. Ra2 Rac8 19. b5 axb5 20. axb5 cxb5 21. Bxd5+ Qxd5 22. Qb1 {Strongly
threatening Ra5.} f4 23. exf4 Rc4 ({Don't do} 23... Qxd4 24. Qxb5 Bd6 25. Qxb7
$16) 24. Ra5 (24. Rb2 $5 {[%CAl Rb2b5]}) 24... Rf5 $1 {The position is equal.}
({But not} 24... Rxd4 {[#]} 25. Rxb5 $1 Qe6 26. Be3 $16) ({Don't take} 24...
Qxd4 25. Be3 Qd3 26. Rxb5 $16) 25. g4 b6 $1 26. Ra7 Rf7 27. Be3 Bd8 28. Rxf7
Kxf7 29. Qa2 Rxd4 30. Qa7+ Qd7 31. Qa2+ Qd5 {Weighted Error Value: White=0.05
(flawless) /Black=0.03 (flawless)} 1/2-1/2