[Event "LiChess"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Lvovich"] [Black "Paul"] [Result "0-1"] [ECO "B21"] [WhiteElo "2124"] [BlackElo "2086"] [Annotator "Harwood,Paul"] [PlyCount "60"] [EventDate "2016.??.??"] [EventType "game"] [SourceVersion "1"] [SourceVersionDate "2013.12.29"] [SourceQuality "1"] [TimeControl "900+10"] 1. e4 c5 2. f4 {B21 Sicilian Defense: McDonnell Attack} g6 (2... Nc6 3. Bb5) 3. Nf3 Bg7 {[%csl Gd4]} 4. Bc4 {[%CAl Gc4f7,Gf3g5,Gg5f7]} Nc6 {[%csl Gd4]} 5. c3 { [%csl Yc5,Gd4,Ge4,Gf4][%CAl Gc6d4,Gd2d4] White prepares d4 to gain a foothold in the center.} e6 {[%csl Ya1,Yb1,Yc1][%CAl Gd7d5,Gg8e7,Ge8g8,Gh8f8,Ge4e5]} ( 5... Nf6 6. e5 {[%CAl Gd2d4] ...and the knight has to go back to g8.} Ng4 7. Bxf7+ (7. d4 {[%csl Gg4]}) 7... Kxf7 8. Ng5+ {[%csl Gg4]}) (5... Nh6) 6. Qe2 {[%CAl Ge2e8]} (6. d3 {[%csl Ga1,Gb1,Gc1]}) 6... Nge7 {[%CAl Gd7d5,Gf7f5]} 7. O-O d5 8. exd5 exd5 9. Bb5 (9. Bb3 {[%CAl Ga3c2,Gc2e4]}) 9... O-O {[%CAl Ga7a6,Gb5a4,Gb7b4]} 10. Re1 (10. Na3 a6 11. Bxc6 Nxc6 12. Qf2 {attacking c5. } Re8 13. Qxc5 Re2 14. Kh1 Bg4) (10. d3 {[%CAl Gc1e3]}) 10... Be6 { Passive. >= 10...a6} (10... d4 {[%CAl Ge7d5,Gc8e6,Ge6a2]}) 11. d3 (11. Ng5 Bf5 12. g4 Bd7 {[%csl Gf2,Gf3,Gg2,Gg3,Gg5,Gh3][%CAl Gc5g1]}) 11... a6 { [%csl Ra1,Ga5,Ga6,Rb1,Gb5,Gb6,Rc1,Gc5,Yc6,Gd5,Gd6,Ye7][%CAl Gg7a1,Ge6a2,Ga8c8] Putting the question to the bishop.} 12. Ba4 b5 (12... Re8) 13. Bc2 {[%csl Ya1, Yb1,Yc1][%CAl Gb5b4]} Re8 {Developing pieces is critical since White is behind in his development.} (13... b4) 14. Qf2 {[%csl Yc5][%CAl Rf2c5]} d4 {[%csl Rc2, Yd5][%CAl Ge6b3,Gd8d5]} (14... Rc8 {This was tempting because I get to develop the last of my pieces. The problem is that I didn't see the needs to risk sac'ing a paw, even if it would still be better for Black.} 15. Nbd2 (15. Qxc5 Nd4 16. cxd4 Rxc5 17. dxc5 Bg4)) (14... Qd6 15. Nbd2 {/\Nb3 hitting c5 twice.} d4 (15... b4 16. d4) 16. Ne4 {[%csl Yc5,Gd6]}) 15. Ne5 (15. Bd2) (15. a4 Bc4 (15... Bd5 {[%csl Ya1,Ye1]})) 15... Qc7 {[%CAl Gc7e5, Gc6e5,Gg7e5] Defending c6 and threatening a capture on e5.} 16. Nxc6 (16. Nd2 dxc3 17. bxc3 Nxe5 18. fxe5 Bxe5 19. Ne4 Bf5 20. Bd2 Bxh2+ 21. Kh1 Bxe4 22. Rxe4 Be5) 16... Nxc6 17. Bb3 {[%csl Ra1,Rb1,Rc1]} (17. h3 Qd7 18. Bd2 Bf5 19. a4 dxc3 20. Nxc3 b4 21. Ne4 c4) 17... c4 {Not as strong as I thought. I looked at Bf5 but thought retreating back his B to c2 was a reasonable reply. I guess the difference is that I put a piece on a better square at the cost of a tempo for White.} (17... Bf5 {[%csl Yd3]} 18. Bc2 c4 19. h3 cxd3 20. Bb3 Rxe1+ 21. Qxe1 Qd7 22. g4 Re8 23. Qg3 Be4) (17... Bxb3 18. axb3 Rxe1+ 19. Qxe1 dxc3 20. bxc3 b4 21. Ra2) 18. dxc4 bxc4 19. Ba4 { [%CAl Ga4e8]} Red8 {[%CAl Gd8d4]} (19... Rad8) (19... Bd7 {[%csl Gd4]} 20. Bxc6 $4 Rxe1+ 21. Qxe1 Bxc6 22. cxd4 Bxd4+ 23. Kf1 Re8 24. Qd1 Qe7 25. g3 Qe4) 20. Kh1 {[%CAl Gd4g1,Gg7d4,Gc6e7,Ge7f5]} (20. Bxc6 Qxc6 21. cxd4 Bxd4 22. Be3 Bxe3 23. Rxe3 Rd1+ 24. Re1 Rxe1+ 25. Qxe1 Rb8 26. Qf2 Qb5) 20... Bd5 { [%CAl Gd5h1]} (20... Ne7) 21. Bd2 (21. f5 {[%CAl Gc1g5]}) 21... Rab8 {[%csl Rb2][%CAl Yb8b2]} 22. b4 {[%CAl Rg7a1]} cxb3 (22... dxc3 23. Nxc3 Nxb4 { [%csl Gd3][%CAl Gb4d3,Rd3f2,Rd3e1]} 24. Nxd5 Rxd5 25. Rad1 Nd3 26. Qf3 Rdd8 27. Rf1 Nb2) 23. axb3 {[%csl Ra4][%CAl Ga1a6]} Bxb3 24. Bxb3 (24. f5 Bxa4 25. fxg6 hxg6 26. Rxa4 Ne5 27. Rf1 Ng4 28. Qf4 Qd7 29. Rc4 Be5) 24... Rxb3 25. Rxa6 (25. f5 dxc3 26. Bg5 Rc8 27. Na3 Qd7 28. Nc2 (28. f6 Bf8 29. Nc2 Rb2) 28... Rb2) 25... dxc3 26. Bxc3 {Nc3 produces the same result.} Bxc3 27. Rc1 {[%CAl Gc1c7,Ga6c6]} (27. Nxc3 Rxc3 28. Rea1 Nb4 {[%CAl Gb4d3]}) 27... Qb7 {[%CAl Gb7b1]} (27... Nb4 28. Ra7 {This looked worrisome but it turns out it's harmless.} Qd6 {Renewing the back rank threat.}) 28. Rxc6 Qxc6 (28... Rxb1 $1 29. R6xc3 Rd1+ 30. Qg1 Rxg1+ 31. Kxg1 Qb6+ 32. Kf1) 29. Qc2 Rb2 { [%csl Rg2][%CAl Gb2c2,Gb2g2,Gc6g2]} 30. Qxc3 (30. Qxb2 Bxb2 31. Rxc6 Rd1#) 30... Qxg2# 0-1