Friday, August 25, 2017

#1257 KST - Round 13 Annotations

My 1st place-clinching draw vs. Life Master Mark Kernighan:
[Event "Kenilworth Summer Tournament"] [Site "Kenilworth, NJ"] [Date "2017.08.24"] [Round "13"] [White "Moldovan, John"] [Black "Kernighan, Mark"] [Result "1/2-1/2"] [ECO "B54"] [WhiteElo "1814"] [BlackElo "2231"] [Annotator "Moldovan,John"] [PlyCount "70"] [EventDate "2017.06.01"] [EventRounds "14"] [EventCountry "USA"] [Source "The Chess Coroner #1257"] [SourceDate "2017.08.25"] [SourceVersion "2"] [SourceVersionDate "2017.08.25"] [SourceQuality "1"] {Board 1 G/55+5 (delay) B54 Sicilian Defense (by transposition - 6.e4)} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. Nc3 (4. d5 exd5 (4... b5 {is Blumenfeld's Gambit}) 5. cxd5 d6 6. Nc3 {gives Black fewer options & is probably best but I'd rather have an English or Sicilian than test his Modern Benoni.}) 4... cxd4 (4... d5 { & a Tarrasch QGD is another way to play.}) 5. Nxd4 d6 (5... d5 $142 {as in my 2009 draw vs. Mangion}) (5... Nc6 {as in my 2010 loss to Sherry}) (5... Bb4) ({ &} 5... a6) 6. e4 a6 ({For} 6... Nc6 {see my 2015 GSCL win over Minkov.}) ({For } 6... Nbd7 {see my round 12 win over Dovydaitis.}) 7. Be3 Be7 8. Be2 O-O 9. O-O {[#]} Nc6 ({For} 9... Nbd7 {see our 2009 Kenilworth Championship game.}) 10. Qd2 Bd7 11. Rad1 (11. Rfd1 {, /\ Rac1 (anticipating ...Qc7) + Bf1 & Qf2, was a good alternative. For example:} Rc8 12. Nxc6 Bxc6 13. f3 Qc7 14. Bf1 b6 15. Rac1 Qb8 16. b4 Rfd8 17. Qf2 Nd7 18. Rb1 Bf6 19. Bd4 b5 20. cxb5 axb5 21. a4 bxa4 22. b5 Bxd4 23. Qxd4 Bb7 24. Nxa4 d5 25. exd5 Bxd5 26. Qe3 Qd6 27. Rbc1 {½-½ Zaichik - Yudasin : Atlantic Open, Washington 2002}) 11... Qc7 12. Nxc6 $146 (12. f4 $142 $14) (12. f3 $14) ({&} 12. Rc1 $14 {Kernighan (Yeritsyan - V. Stefansson : Prague 2016, by transposition)} Ne5 $140 13. h3 $1 Nxc4 $2 14. Bxc4 Qxc4 15. Nd5 exd5 16. Rxc4 dxc4 17. f3 $16) 12... Bxc6 13. f3 Rfd8 14. Bd3 (14. Bd4 $142) 14... d5 15. exd5 exd5 16. Qf2 $2 {[#]} (16. cxd5 $142 Bxd5 ( 16... Nxd5 $2 17. Bxh7+ $1 $14) 17. Qf2 $11) 16... dxc4 $2 (16... d4 $142 $1 17. Bxd4 Rxd4 $1 18. Qxd4 Bxf3 $1 19. Qh4 $8 {Kernighan} Qc5+ 20. Kh1 Bxd1 21. Rxd1 (21. Rxf6 $143 g6 22. Nd5 Bxf6 23. Qxf6 Re8 24. Qc3 Re6 25. Nf6+ Rxf6 26. Qxf6 Ba4) 21... g6 $15) 17. Bxc4 Qe5 ({Of course, if} 17... Bxf3 {then} 18. Bxf7+ Kxf7 19. Qxf3) 18. Rfe1 Rxd1 19. Rxd1 Bd6 20. g3 Qe7 21. Nd5 Nxd5 22. Bxd5 Bxd5 23. Rxd5 Qe6 24. Qd2 Bc7 25. Kg2 (25. Rd7 $142 {right away.}) 25... Re8 {[#]} 26. Rd7 $2 {Now this is big mistake.} (26. Bf2 $142 Qe2 $140 $6 27. Qb4 $14 ({or} 27. Qxe2 Rxe2 28. Rc5 $11 Bb6 $4 29. Rc8+ Bd8 30. Rxd8+ Re8 31. Rxe8#)) 26... Bb6 $2 ({We missed} 26... Ba5 27. Qd5 $8 Qxd5 $8 (27... Qxe3 $4 28. Qxf7+ Kh8 29. Qxg7#) 28. Rxd5 Rxe3 29. Rxa5 Re2+ 30. Kh3 Rxb2 {winning a P} 31. g4 Rb6 $17) 27. Bxb6 Qxb6 28. Rd6 Qb5 29. Rd8 g6 30. Rxe8+ Qxe8 31. Kf2 Qe6 32. Qd8+ Kg7 33. Qd4+ Kg8 (33... f6 34. Qb4 b5 {was playable}) ({but} 33... Kh6 $143 $2 34. Qe3+ Kg7 35. Qxe6 fxe6 36. Ke3 Kf6 37. Ke4 e5 $8 38. Kd5 Kf5 39. h4 $14) ({&} 33... Qf6 $4 34. Ke3 $18) 34. Qd8+ Kg7 35. Qd4+ Kg8 {White offers a draw. Black accepts. Game drawn by agreement. Time left - Moldovan 5:20, Kernighan 2:02 Estimated time used - Moldovan 52:35, Kernighan 55:53 Longest thinks: White - 7 minutes for 20.g3, 6 minutes for 12.Nxc6 & 26.Rd7? Black - 10 minutes for 4..for .cxd4, 9 minutes for 16...dxc4? With the draw I clinched 1st place & free entry into the NJ Open but due to scheduling & traveling issues I'm not sure if I'll be able to play.} (35... Kg8 36. Qd8+ { is a 3-fold repetition.}) 1/2-1/2

No comments: