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[pgn] [Event "Let's Play!"] [Site "Chess.com"] [Date "2012.06.07"] [Round "?"] [White "protagonic"] [Black "imNOTaNINJA"] [Result "0-1"] [ECO "D35"] [WhiteElo "1673"] [BlackElo "1666"] [Annotator "Usuario"] [PlyCount "52"] [EventDate "2012.??.??"] [TimeControl "1"] d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 (4... c6 5. e3 {it's interesting that in this case e3 is considered a good move. I'm really not sure what's the difference} Nbd7 6. Qc2 Bd6 7. Bd3 O-O 8. O-O dxc4 9. Bxc4) 5. e3 $6 {I think it's to passive in this case, black's bishop is already developed, so there is no need to worry much about it coming to b4} (5. Bg5 {or}) (5. Bf4 {are better. Developing the bishop outside the pawn chain}) 5... O-O 6. cxd5 $2 {is just wrong. White is allowing black to liberate their light square bishop, and taking c4 away from its own} (6. Bd3 b6 7. O-O Bb7 8. cxd5 exd5 {in this case it's ok, because the bishop is being blocked, not liberated} ({but} 8... Nxd5 { looks fine too}) 9. b3) 6... exd5 7. Bd3 {and the bishop has to go to a worse square. This whole thing was because I didn't really think through the tempo thing. I was afraid of going to d3 first, and having to move again after dxc4; thinking I would lose a tempo. This is wrong. It is black that would lose a tempo if they take before white's bishop is developed. Waiting for Bd3 allows black to capture without losing that tempo, white is not losing anything either way!} Bg4 ({Relevant:} 7... c6 8. O-O Bg4 9. Qb3 Qb6 10. Qxb6 axb6 11. Ne1 Na6 12. f3 Be6 13. Nc2 Nb4 14. Nxb4 Bxb4 15. a3 Rfe8 16. Rb1 Bf8 17. Bd2 b5 Ne2 {1/2-1/2 (18) Isigkeit,H (2440)-Latronico,N (2515) ICCF email 2004}) 8. O-O Nbd7 {leaving the c pawn free to move} 9. e4 $146 {I think this was a good move, even though its not exactly neccesary} ({Predecessor (4):} 9. Bd2 c6 10. a3 Bd6 11. b4 Re8 12. Re1 Ne4 13. Be2 Bxf3 14. Bxf3 Bxh2+ 15. Kf1 Bd6 16. Qc2 f5 17. Nxe4 fxe4 18. Bg4 Nf6 19. Bh3 Rf8 20. Kg1 Bc7 21. g3 h5 22. Rf1 h4 23. Be1 Nh7 24. Qe2 Ng5 25. Qg4 Nxh3+ 26. Qxh3 Rf3 27. Qe6+ Rf7 28. Qg4 hxg3 29. fxg3 Rxf1+ 30. Kxf1 Qf6+ 31. Kg2 Rf8 32. Qe2 Qg5 33. g4 Rf3 34. Kh1 Qxg4 35. Qg2 Qxg2+ 36. Kxg2 Rxe3 37. Bf2 Rd3 {0-1 (37) Niyazova,V-Churaev,V (2120) Khanty-Mansiysk 2011}) (9. Re1 {would prepare e4, without commiting to it}) 9... dxe4 10. Nxe4 c5 (10... Nxe4 11. Bxe4 c6 {is more solid, but also less annoying for white}) (10... c6 {is also good} 11. Ng3 Re8 12. h3 {and the bishop has to leave the pin}) 11. dxc5 $2 {why give away that center pawn so easily? I think I was focusing on it being an isolated pawn, and of course that the knight is pinned, so it cannot recapture if cxd4. But let black take it and spend his move, while white does something more useful than developing black's knight!!} (11. Re1 cxd4 12. h3 {and black has to leave the pin. If Bh5, Ng5 attacks the bishop again}) 11... Nxc5 12. Nxc5 Bxc5 13. Bg5 ({This variation is houdini's} 13. h3 Bh5 14. Bg5 h6 15. Rc1 $1 Bxf2+ 16. Rxf2 hxg5 g4 Bg6 (17... Bxg4 18. hxg4 Nxg4 19. Rfc2 Ne3 20. Rh2 Nxd1 21. Bh7+ Kh8 22. Bb1+ {with perpetual}) 18. Bxg6 Qxd1+ 19. Rxd1 fxg6 20. Nxg5 {with a slight advantage for white}) 13... h6 14. Bh4 Be7 $2 {no need for this. Rc8 is the obvious move; the knight is in no danger and the queen can move to b6 or d6} Rc1 (15. h3 {Why not? The king would have been happier by the end of the game} Bh5 16. Rc1) (15. Re1 {renewing the pin on black's knight is also interesting}) 15... Rc8 16. Be2 $2 {same problem as when black played it. There is no need, and it undevelops the piece. Black is slightly better now} ( h3 Be6 ({if} 16... Bh5 17. g4 Bg6 18. Bxg6 fxg6 19. Qb3+ Kh7 20. Ne5 {with a complicated game; houdini says white has a slight edge. White has more active pieces, but I'm not sure if that's enough to justify a kingside attack and the weakening of white's king position, especially with the queen still on the game! Most likely there would be a lot of exchanges, with white having a slight advantage in the endgame.})) 16... Qb6 17. b3 Rfd8 ({an interesting and more active alternative is} 17... Qb4) 18. Rxc8 Rxc8 19. Nd2 {going to c4 of course} (19. Bc4 {might be better} Bh5 20. Qd3 $11 {the pin problem is solved, and white has a good game}) 19... Bxe2 20. Qxe2 Qd8 21. Nc4 Nd5 22. Rd1 $5 (22. Bxe7 {was the easy solution. This is a dead draw probably, and I just didn't want to play such a symmetrical position. Instead, I tried to play something more fun!}) 22... Bxh4 {The tactics work, and white is still about equal. But I played this without calculating enough, and it is no better than the simple Bxe7. There was no real justification for playing it. If I had seen Bxf2 I probably wouldn't have.} 23. Qf3 Rc5 24. Ne3 Qa5 (24... Bxf2+ {is the move I didn't see when I played Rd1. Now white would be down a pawn in a very complicated position}) 25. Rxd5 $4 {The game losing blunder!! I hate that this still happens to me. I just need to make a final re-check before making a move in tactical positions (especially in correspondence). Even without calculating, there should be huge danger lights and alarms with the rook leaving the back rank and the king pawns unmoved.} (25. Nxd5 {is of course the right move, that I saw when calculating Rd1! I think it's about equal, but its a complicated game}) 25... Rxd5 26. Qxd5 {(maybe black won't see the mate?)} Qe1+ 0-1 [/pgn]

#5909 by Noname

14:49, July 12, 2012 by Noname

#5910 by YourMove

16:34, July 12, 2012 by YourMove

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