[Event "Summer Open"] [Site "Memphis"] [Date "2004.06.12"] [Round "4"] [White "Stewart, Douglass"] [Black "Cobb, Mark"] [Result "0-1"] [ECO "B07"] [WhiteElo "1672"] [BlackElo "1787"] [Annotator "Fritz 9 (30s)"] [PlyCount "64"] [EventDate "2004.??.??"] {B07: Pirc Defence: Miscellaneous Systems} 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4 e5 5. Nf3 c6 {last book move} 6. Bd3 Qc7 {Black is behind in developement. Black's piece can't move: c8} 7. O-O Be7 8. Qe1 O-O 9. Be3 b5 (9... Ng4 10. Rd1 $11) 10. h3 {Consolidates g4} (10. d5 b4 11. dxc6 bxc3 12. cxd7 Bxd7 13. Qxc3 Qxc3 14. bxc3 Ng4 $14) 10... a5 11. g4 (11. Qg3 Nh5 12. Qh2 exd4 13. Nxd4 Nc5 $14) 11... b4 $11 {Black threatens to win material: b4xc3} 12. Ne2 (12. Na4 c5 13. fxe5 dxe5 14. dxe5 Nxe5 15. Nxe5 Qxe5 $11) 12... exd4 13. Nexd4 {Black has a cramped position} Nc5 {Black threatens to win material: Nc5xe4} 14. Nd2 Re8 15. g5 {This push gains space} Bxh3 (15... Nfxe4 $142 $5 {is worth looking at} 16. Nxe4 Nxd3 17. cxd3 c5 $11) 16. Rf3 $14 {White threatens to win material: Rf3xh3} Bd7 17. gxf6 Bxf6 18. Qf1 (18. Rg3 $14) 18... Qc8 $2 (18... Nxd3 19. cxd3 c5 20. Qc1 $11) 19. Qg2 (19. Nc4 Qc7 20. e5 dxe5 21. fxe5 Bxe5 22. Qg2 $16 (22. Rxf7 {is clearly inferior} Nxd3 23. cxd3 Bxd4 24. Bxd4 Qg3+ 25. Qg2 Qxg2+ 26. Kxg2 Kxf7 27. Nd6+ Kg8 28. Nxe8 Rxe8 $19) (22. Nxe5 $6 Qxe5 23. Bc4 Ne6 $16 )) 19... Bg4 $2 (19... Nxd3 $142 {is the best option Black has} 20. cxd3 c5 $14 ) 20. Rg3 $18 h5 21. f5 $4 {White loses the upper hand} (21. Nc4 $142 {and White could have gained the advantage} Nxd3 22. cxd3 $18) 21... d5 $11 22. Rxg4 (22. exd5 {A pinning theme} Rxe3) 22... hxg4 $15 23. Qxg4 Nxd3 24. cxd3 { White wins the exchange} Qa6 25. Qe2 (25. Kf2 $142 $5 {is noteworthy} Qxd3 26. Ne2 $11) 25... dxe4 $17 26. Rc1 $2 (26. Nxe4 $142 Rxe4 $1 {Eliminates the defender e4} 27. dxe4 Bxd4 28. Re1 $17) 26... exd3 $19 27. Qf3 c5 (27... Qa7 { seems even better} 28. Rc4 Qe7 29. Nf1 $19) 28. Rxc5 $2 (28. N4b3 $142 Bxb2 29. Nxc5 $19) 28... Rad8 {Black threatens to win material: Rd8xd4} (28... Bxd4 29. Bxd4 Re1+ 30. Kg2 Re2+ 31. Kf1 Rxd2 32. Rc6 $19) 29. Rc6 $4 (29. Nc6 $142 { and White can hope to live} Rc8 30. Nc4 $15) 29... Qb7 (29... Rxe3 $142 { might be the shorter path} 30. Qxe3 Qa7 31. Rxf6 Rxd4 $19 (31... gxf6 $6 32. N2f3 $17)) 30. N2b3 $4 {a blunder in a bad position} (30. Rxf6 Qxf3 31. N4xf3 ( 31. N2xf3 $4 Rxe3 32. Kf2 Ree8 $19 (32... gxf6 {is a weaker possibility} 33. Kxe3 Rc8 34. Kxd3 $16)) 31... gxf6 32. Nc4 $19) 30... Qe7 (30... d2 $142 { and Black can already relax} 31. Bxd2 Bxd4+ 32. Kg2 a4 $19) 31. Bf2 (31. Ne6 { there is nothing else anyway} fxe6 32. Rxe6 $19) 31... d2 $1 {the end} 32. Rc4 (32. Nxd2 {Theme: Deflection from d4} Bxd4) 32... Qe1+ $5 (32... Qe1+ 33. Kg2 Bxd4 34. Rxd4 Rxd4 35. Nxd4 Qe4 $19) 0-1