Sunday, June 18, 2017

#1228 Smith & Privman Win Main Line Summer Swiss


GM Bryan Smith & FM Boris Privman won yesterday's Main Line Chess & Games Summer Swiss in Paoli, PA.

LM Todd Lunna was 3rd. Michael O'Connor was one of the U2000 prize winners. Michael Berrios, who scored 50%, & I rounded-out the Westfield CC contingent.

Lunna, Berrios & O'Connor

Here is my 1st round win over FM Karl Dehmelt:
[Event "Main Line Chess & Games Summer Swiss"] [Site "Paoli, PA"] [Date "2017.06.17"] [Round "1"] [White "Dehmelt, Karl"] [Black "Moldovan, John"] [Result "0-1"] [ECO "C19"] [WhiteElo "2300"] [BlackElo "1781"] [Annotator "Moldovan,John"] [PlyCount "138"] [Source "The Chess Coroner #1228"] [SourceDate "2017.06.18"] [SourceVersion "1"] [SourceVersionDate "2017.06.18"] [SourceQuality "1"] {Board 3 G/55+5 (delay) C19 French Defense Winawer Variation} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 {This used to be the positional main line (c. 1975) but it has practically disappeared from practice & I have never faced it.} Qc7 (7... b6 8. Qg4 $140 Ng6 ({The Flohr-flavored} 8... Nf5 9. Bd3 h5 {(Illukka - Ribes : correspondence, Finland 1969) is another way to play.}) 9. h4 (9. Bb5+ Bd7 {Koenig - Betke : Suedwestfalen 2003} 10. Bd3 Qh4 {is little or no improvement.}) 9... h5 10. Qd1 Ba6 {(Dominguez - An. Rodriguez : Campinas 2013) & a good version of the 4... Ne7 + 6...b6 (C16) line, was an option.}) ({For} 7... Nbc6 {see Fischer - Larsen : Candidates Semi-Final match, game 1, Denver 1971.}) 8. Nf3 b6 9. Bb5+ ({For} 9. Bd3 {see my 2006 & 2007 games against S. Massey.}) 9... Bd7 10. Bd3 Nbc6 ({Of course, if} 10... O-O $4 {then} 11. Bxh7+ $1 Kxh7 12. Ng5+ $18 {->}) 11. O-O {[#]} c4 $6 {11...h6! = was right.} (11... h6 12. Qd2 O-O {0.16/26 Komodo 10.4 64-bit/Clare}) (11... h6 12. Ba3 Na5 {0.03/28 Komodo 10.3 64-bit/ TwoKnights}) (11... h6 12. Qd2 O-O {0.04/20 Fritz 15}) 12. Be2 O-O 13. Ba3 f6 ( 13... Rfe8 14. h4 Nf5 {0.35/27 Komodo 10 64-bit/Jorasch}) (13... f6 14. Re1 Rf7 {0.55/23 Houdini 5.01 x64}) (13... Rfe8 14. Nh4 Ng6 {0.04/27 Stockfish 251216/ dBSPL}) 14. exf6 $146 (14. Re1 Rf7 15. g3 {0.44/30 Komodo 11.01 64-bit}) (14. Bd6 Qd8 15. exf6 {0.36/23 Houdini 4 x64/steffan}) (14. a5 b5 15. Bd6 {0.15/23 Deep Fritz 14 x64/Clare}) ({Previously seen here were:} 14. Bd6 Qd8 15. exf6 Rxf6 16. Re1 (16. Qd2 Ng6 17. Rfe1 Be8 18. Bg3 $14 {Zielinski - Lindner : correspondence, DESC 2005}) 16... Ng6 17. Ng5 $14 {Goins - Peddie : correspondence, IECG 1996}) ({&} 14. Qd2 Rf7 15. Bd6 Qd8 16. exf6 Rxf6 $14 { S. Kourkoulos Arditis - Papasimakopoulos : Nikaia 2013}) 14... Rxf6 (14... gxf6 $143 15. Nh4) 15. Ne5 $1 Ng6 (15... Re8 16. Nxd7 Qxd7 {0.36/33 Komodo 11.01 64-bit}) (15... Nf5 16. Nxd7 Qxd7 {0.45/26 Houdini 5.01 x64}) (15... Nxe5 16. Bxe7 Rf7 17. Bh4 Ng6 18. Bg3 Nf4) ({&} 15... Be8 16. Ng4 Rf8 17. Re1 {are also +/=.}) 16. Nxd7 Qxd7 17. g3 Nge7 18. f4 {This gives White a bind} ({but the engines prefer} 18. Bf3 $14) 18... Nf5 19. Qd2 Nd6 20. Bf3 Raf8 21. Bg2 {[#]} Ne7 (21... h5 $142 $11) (21... Re8 $11) 22. Qe2 R8f7 23. Qe5 (23. a5 $142 bxa5 24. Bxd6 Qxd6 25. Rxa5 $14) 23... Ndc8 24. Rfe1 Nc6 25. Qe2 Nd6 26. Qd2 Ne7 ( 26... h5 $142 $11) (26... Rf8 $11) 27. a5 Nb5 $6 (27... bxa5 $142 28. Bxd6 Qxd6 29. Rxa5 Nc6 30. Ra6 Qd7 $14) 28. axb6 axb6 $8 29. Bb4 (29. Bh3 $142) 29... h6 30. Ra8+ Kh7 31. Rb8 Qc7 32. Re8 Nd6 {[#]} 33. Bxd6 Qxd6 34. Bh3 Qc6 35. Rb8 Qc7 36. Ra8 Qb7 37. Rea1 Nf5 $6 (37... Nc6 $142) 38. Re8 $6 (38. Qe2 $142) 38... Re7 39. Rxe7 $2 (39. Rea8 $142 $16) 39... Qxe7 40. Qe2 Nd6 $6 (40... Qb7 $142 $14) 41. Qe5 Ne4 {[#]} 42. f5 $2 (42. Ra8 $142 $16) 42... Ng5 {For the 1st time in the game, Black has a threat: 43...Nf3+ 44.K moves Nxe5 -+.} 43. Bg4 h5 44. Bxh5 Rxf5 45. Qe2 Qf6 $4 {A blunder.} (45... Nh3+ $142 46. Kh1 Qf6 $15) 46. Kg2 $4 {White returns the favor.} (46. Bg4 {would've won the Exchange & game.}) 46... Ne4 47. Bf3 Nxc3 48. Qe3 Ne4 $2 (48... Nb5 $142 $15) 49. Bxe4 dxe4 50. Qxe4 g6 51. Ra7+ Kh6 52. Qe3+ Qg5 {[#]} 53. Qxe6 $4 (53. Qxg5+ $142 Kxg5 54. Rb7 $11) 53... Qd2+ $19 54. Kh3 $8 (54. Kg1 Qf2+ 55. Kh1 Qf1#) (54. Kh1 Rf1#) 54... Rh5+ 55. Kg4 $8 Qd1+ 56. Kf4 $8 Rf5+ $2 {This lets White extend the game.} (56... Qf1+ $142 57. Kg4 (57. Ke4 {/ Ke3} Qe1+ {58.K moves Qxe6}) 57... Qh3+ 58. Kf3 Qxe6 {59.0-1}) 57. Qxf5 $8 (57. Ke3 Qe1#) 57... gxf5 $6 (57... Qf1+ $142 58. Ke5 Qxf5+ 59. Kd6 Qxc2) 58. Kxf5 Qxc2+ {The rest is a re-construction. Some of it may not be accurate. So, I won't bother to annotate it.} 59. Ke5 Qxh2 60. Ra6 Qxg3+ 61. Kd5 c3 62. Rxb6+ Kg5 63. Rb5 c2 64. Rc5 Qb3+ 65. Ke4+ Kg4 66. Rc8 Qb2 67. Rg8+ Kh5 68. Kf5 Kh6 69. Rg6+ Kh7 { White resigned. Time left - Dehmelt 0:59, Moldovan 0:57 Estimated time used - Dehmelt 59:51, Moldovan 59:53 Longest thinks by White - 5 minutes for 13.Ba3 & 26.Qd2 Longest think by Black - 5 minutes for 22...R8f7 I had originally planned to play 2 of the 4 rounds but being already tired, with no bye apparently available, I withdrew. The win will put me back over 1800 for the 1st time in 10 months, somewhere around 1815.} 0-1

Additional photos will follow.

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