[pgn] [Event "Let's Play!"] [Site "Chess.com"] [Date "2012.07.10"] [White "dragos22"] [Black "gnuvince"] [Result "0-1"] [WhiteElo "1152"] [BlackElo "1252"] [TimeControl "1 in 3 days"] [Termination "gnuvince won by resignation"] 1.e4 c5 2.Nf3 e6 3.Bc4 d5 4.Bb5+ Bd7 5.Nc3 d4 6.Na4 Bxb5 7.Nxc5 Bxc5 8.c3 Nc6 9.d3 Nf6 10.Bg5 e5 11.cxd4 Bb4+ 12.Nd2 Qxd4 13.Be3 Qxd3 0-1 [/pgn]

[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]

[pgn] [FEN "1r3rk1/4bppp/pB6/P3p3/1q6/8/1PP2QPP/R4RK1 w - - 1 0 "] [/pgn]

[White "(null)"] [Black "(null)"] [Date "2012.07.12"] [Site "fics.org"]

[White "Professor Julius Kelp"] [Black "Buddy Love"] [Result "1/2-1/2"] [ECO "A21"] [Annotator "Jerry Lewis"] [PlyCount "97"] [EventDate "2012.07.11"] [SourceDate "2012.07.12"] 1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 Ne7 5. e4 O-O 6. Nge2 f5 7. d3 h6 8. O-O g5 9. f4 exf4 10. gxf4 g4 11. Ng3 d6 12. exf5 Nxf5 13. Nxf5 Rxf5 14. Qxg4 Nc6 15. Qg6 Ne7 16. Qg3 Rf6 17. Nd5 Nxd5 18. Bxd5+ Kh7 19. Bd2 Bf5 20. Qf3 Rg6+ 21. Kh1 c6 22. Be4 Qd7 23. Rg1 Rxg1+ 24. Rxg1 Rg8 25. Qg2 Bxe4 26. Qxe4+ $2 Kh8 27. b3 Re8 28. Qg6 Re6 29. Qg3 Qf7 30. Re1 Bd4 31. Be3 c5 32. Qh3 Kh7 33. Qg3 Qe7 34. Rg1 Qf7 35. Bxd4 cxd4 36. Qf2 Re3 37. Rg3 Qe6 38. Rxe3 dxe3 39. Qe2 d5 40. Kg1 $2 {time control} d4 41. b4 Qd6 42. Qf3 Qxb4 43. Qe4+ Kg8 44. Qg6+ Kf8 45. Qxh6+ Kf7 46. Qh5+ Kg8 47. Qd5+ Kh7 48. Qf7+ Kh8 49. Qf6+ 1/2-1/2

[White "GuestVXJM"] [Black "YourMoveOVCZ"] [Date "2012.07.13"] [Site "fics.org"] 1. d4

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Be7 8. a4 O-O 9. Be3 Nc6 10. f4 Qc7 11. Kh1 Re8 12. Bf3 Bd7 13. Nb3 Na5 14. Nxa5 Qxa5 15. Qd3 Rad8 16. Rfd1 Bc6 17. b4 Qc7 18. b5 Bd7 19. Rab1 axb5 20. Nxb5 Bxb5 21. Qxb5 Ra8 22. c4 e5 23. Bb6 Qc8 24. fxe5 dxe5 25. a5 Bf8 26. h3 Qe6 27. Rd5 Nxd5 28. exd5 Qg6 29. c5 e4 30. Be2 Re5 31. Qd7 Rg5 32. Rg1 e3 33. d6 Rg3 34. Qxb7 Qe6 35. Kh2

[Event "1931"] [Site "?"] [Date "2012.07.09"] [Round "?"] [White "Botwinnik"] [Black "Sorokin"] [Result "1-0"] [Annotator ",Ringo"] [SetUp "1"] [FEN "r1b2rk1/1p3pp1/pn3n1p/2q1p3/P3P3/2N2N2/BP1RQPPP/3R2K1 w - - 0 1"] [PlyCount "51"] 1. Qe3 $1 {Der angebotene Damentausch mag auf den ersten Blick überraschen, denn damit nimmt Weiß einen isolierten Doppelbauern in Kauf. Aber der Grund wird schnell klar werden. Er erhöht dadurch spürbar sein Wirkungsplus} Qxe3 ( 1... Qc7 2. Nxe5 $1) 2. fxe3 {Durch den Abtausch der Damen ist ein schwarzer Aktivposten vom Brett. Die Dame hatte den Bauern e5 gedeckt und a5 verhindert. Außerdem recht aktiv gestanden} Bg4 3. a5 $1 {Mit diesem Zug zeigt sich die ganze Tiefe des 20. Zuges. Mit diesem nun möglich gewordenen Vorstoß wird der schwarze Springer zurückgedrängt und die schwarze Turmentwicklung behindert (Strategie 2)} Nc8 (3... Nbd7 4. h3 Bxf3 5. gxf3 Nc5 6. b4 Ne6 7. Bxe6 fxe6 8. Na4 Rf7 9. Nc5 Rc8 {mit einem klaren Wirkungsplus der weißen Figuren}) 4. Rc1 $6 (4. h3 $1 Bxf3 5. gxf3) 4... Bxf3 5. gxf3 Ne7 6. Nd5 Nc6 $2 {Spätere Analyse n haben gezeigt, dass hier 25. ... Sfxd5 26. exd5 Tac8! besser gewesen wäre. Nach 27. Txc8 Txc8 28. d5 Sc6 29. Td5 hielte sich der weiße Vorteil in Grenzen. Vielleicht eine Folge des ungenauen 23. Zuges von Weiß.} (6... Nfxd5 7. exd5 Rac8 $1 8. Rxc8 Rxc8 9. d6 Nc6 10. Rd5) 7. Nxf6+ gxf6 8. Rd7 $1 { Der weiße Vorteil ist offensichtlich. Der eingedrungene Turm auf d7 arbeitet optimal mit dem La2zusammen} Rab8 9. Kf2 $1 {Räumt die g-Linie für den Turm. Im Übrigen ist der König im Endspiel eine Figur, die man mitspielen lassen sollte (Strategie 1)} Nxa5 10. Rcc7 Rbc8 11. Rxf7 $1 Rxc7 12. Rxc7+ Kh8 13. Bd5 $1 {Die weißen Figuren haben ein deutliches Wirkungsplus erreicht. Sie sind deutlich aktiver und arbeiten besser zusammen als die schwarzen Figuren. Und Weiß arbeitet weiter an der Optimierung (Strategie 1) und der Hemmung (Strategie 2)} b5 14. b3 $1 {Ein weitere Tiefpunkt für Schwarz. Nun steht der Springer ohnmächtig am Rand. Nur noch der schwarze Turm kann sich frei bewegen.} Rd8 15. Kg3 $1 {Nun wird der König optimiert (Strategie 1)} f5 16. Kh4 fxe4 17. fxe4 Rd6 18. Kh5 Rf6 19. h4 Rd6 20. Bf7 $1 {Weiß bastelt nun an einem Mattnetz. Seine sowieso schon äußerst aktiv stehenden Figuren erreichen nun ihr Optimum an Koordination} Rf6 21. Bg6 $1 {Das Aufgeben des b-Bauern und somit die Freilassung des Springers spielen keine Rolle mehr} Nxb3 22. Kxh6 Rf8 23. Rh7+ Kg8 24. Rg7+ Kh8 25. Bf7 $1 { Nun droht Matt im nächsten Zug! Deshalb ...} Rxf7 26. Rxf7 {Materiell ist die Stellung ausgeglichen, aber immer noch ist das weiße Figurenspiel optimal. Der weiße König befindet sich weiter in einem Mattnetz. Außerdem rauscht der h-Bauer schnell heran. Deshalb gab Schwarz kurz darauf auf.} 1-0

[Event "World Open"] [Section "Under 1800"] [Site "Philadelphia, PA"] [Date "2012.07.05"] [Round "3"] [White "George Jempty"] [Black "NN"] [Result "1-0"] 1. e4 d6 2. d4 g6 3. c4 Bg7 4. Nc3 Nf6 5. f4 c5 6. d5 O-O 7. Nf3 Bg4 8. Be2 Na6 9. O-O Qb6 10. Rb1 Nd7 11. Be3 Qa5 12. Qd2 Nb6 13. Rfc1 Rfd8 14. Kf2 Nc7 15. b3 Nd7 16. h3 Bxf3 17. Bxf3 a6 18. Ne2 Qxd2 19. Bxd2 Rab8 20. Ke3 b6 21. Kd3 Ne8 22. g4 Nf8 23. Bc3 Bxc3 24. Kxc3 Nd7 25. g5 b5 26. Ng3 b4+ 27. Kb2 a5 28. h4 Nb6 29. h5 a4 30. e5 a3+ 31. Kc2 Ng7 32. Re1 Re8 33. h6 Nf5 34. Nxf5 gxf5 35. Bh5 Rf8 36. exd6 exd6 37. Re7 Rbe8 38. Rbe1 Rxe7 39. Rxe7 Nc8 40. Rd7

[Event "World Open"] [Section "Under 1800 -- Re-entry"] [Site "Philadelphia, PA"] [Date "2012.07.06"] [Round "3"] [White "NN"] [Black "George Jempty"] [Result "0-1"] 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Bf4 Bb4+ 6. Nbd2 Qe7 7. a3 Ngxe5 8. Nxe5 Bxd2+ 9. Qxd2 Nxe5 10. e3 d6 11. Be2 Bd7 12. O-O Bc6 13. Qc3 f6 14. Rac1 b6 15. Rfd1 O-O 16. f3 a5 17. Bxe5 Qxe5 18. Qxe5 fxe5 19. e4 a4 20. Kf2 g5 21. h3 Bxe4 22. Kg3 Bc6 23. Kg4 h6 24. Kh5 Kg7 25. Rh1 Rf4 26. g3 Be8#