Saturday, July 01, 2017

#1234 KST - Round 5 Annotations

Greg Tomkovich's win over Joseph Dovydaitis + my draws vs. Albert Tang & Jack McCorkell:

[Event "Kenilworth Summer Tournament"] [Site "Kenilworth, NJ"] [Date "2017.06.29"] [Round "5"] [White "Dovydaitis, Joseph"] [Black "Tomkovich, Greg"] [Result "0-1"] [ECO "B77"] [BlackElo "1648"] [Annotator "Moldovan,John"] [PlyCount "44"] [EventDate "2017.06.01"] [EventRounds "14"] [EventCountry "USA"] [SourceDate "2017.01.07"] [SourceVersionDate "2012.01.07"] {G/60 B77 Sicilian Defense Dragon Variation Yugoslav Attack} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 {I haven't seen Greg play the Dragon in years. In recent ones he's preferred the Pin Variation.} 6. Be3 Bg7 7. f3 {I don't remember Joseph ever playing a main line, let alone something this razor-sharp. } O-O 8. Qd2 {[#]} Re8 {(?! Goeller, ! Tomkovich) This preserves the Bg7} ({but } 8... Nc6 {does it better as} 9. Nxc6 bxc6 $11 10. Bh6 $6 Bxh6 11. Qxh6 Qa5 { /\ ...d5 favors Black.}) 9. Bc4 (9. O-O-O $142 $16 {as in Camenares - Tomkovich : KST 6/22/2006}) ({or} 9. g4 $16) 9... Nc6 10. Bb3 {White has time for this retreat in the Sozin but here?... I don't know.} (10. O-O-O $142) 10... Bd7 11. Nxc6 {As pointed-out at move 8, this trade usually benefits Black.} (11. O-O-O $142) 11... bxc6 12. O-O-O Qa5 {[#]} 13. Bd4 $146 (13. Bh6 $142 {as played in Margenstern - Lebreton : Clichy 2002 & Benedek - R. Moldovan : Calimanesti 2013. (No. The latter & I are not related.)}) 13... c5 14. Be3 (14. Bxf6 $142 Bxf6 15. Nd5 Qxd2+ 16. Rxd2 Bg7 17. c3 $11) 14... Rec8 15. a3 $2 (15. e5 $142 c4 16. Bxc4 Rxc4 17. exf6 $8 Bxf6 18. Qd5 $8 Bxc3 19. Qxa8+ Kg7 20. Rd3 $8 Qxa2 21. Rxc3 $8 Rxc3 $8 22. Qxa7 Qxa7 23. Bxa7 $11) 15... Rab8 $2 (15... Qa6 $142 $19) 16. Ba2 $2 (16. e5 $142 dxe5 17. Nd5 Qxd2+ 18. Rxd2 Nxd5 19. Bxd5 $17) 16... Rb6 $2 (16... Qb6 $142 17. b3 Qa6 18. Kb2 Ne8 $19) 17. Bf4 $4 (17. e5 $142 $1 {[]} dxe5 18. Ne4 Qxd2+ 19. Rxd2 $44) 17... Rcb8 18. e5 $2 {[#] This allows a decisive attack.} (18. Nd5 $142 Qxd2+ 19. Kxd2 Nxd5 20. Bxd5 Rxb2 21. Rc1 {with just a losing ending.}) 18... Rxb2 $1 19. exf6 {What else?} Rxa2 $1 {Threatening # in 2.} 20. Nb1 {This allows a crowning Q sac but there was no defense.} Qxa3+ $1 21. Nxa3 $8 Ra1+ 22. Nb1 Rbxb1# {White is checkmated. Not a perfect game but still a crowd-pleaser.} ({The winner's scoresheet had the ambiguous 22.RxN mate. So, he may have played} 22... Raxb1# {, instead.}) 0-1 [Event "Kenilworth Summer Tournament"] [Site "Kenilworth, NJ"] [Date "2017.06.29"] [Round "5.1"] [White "Moldovan, John"] [Black "Tang, Albert"] [Result "1/2-1/2"] [ECO "D96"] [WhiteElo "1814"] [BlackElo "1819"] [Annotator "Moldovan,John"] [PlyCount "73"] [EventDate "2017.06.01"] [EventRounds "14"] [EventCountry "USA"] [Source "John Moldovan"] [SourceDate "2017.01.07"] [SourceVersion "1"] [SourceVersionDate "2012.01.07"] [SourceQuality "1"] {Board 1 G/55+5 (delay) D96 Gruenfeld Defense Russian System (by transposition - 5.Nc3 )} 1. Nf3 ({In our other games (2014, 2015) I opted for} 1. Nc3) ({&} 1. d4 {which respectively led to an offbeat French & a Rubenstein Nimzo-Indian. }) 1... d5 2. d4 Nf6 3. c4 c6 4. Qb3 {I've played this a lot in the last 5 years: 13 times!} ({So, perhaps a return to the main line} 4. Nc3 {is in order. }) 4... g6 {Instead of inserting 12 game-quotes here (we'll get to them another day), I'll just state that} ({previous opponents answered} 4... dxc4 { 6x}) (4... e6 {2x}) (4... Qc7 {2x}) (4... Qb6 {1x}) ({&} 4... Nbd7 {1x}) 5. Nc3 ({Premature is} 5. cxd5 Qxd5 $11 {Gausel - Renet : European Team Championship, Debrecen 1992}) 5... Bg7 $6 {[#]} (5... Qb6 $142 $11 {W. Schmidt - Sygulski : Polish Championshyp, Piotrkow Trybunalski 1983}) 6. Bg5 $2 (6. cxd5 $142 $1 cxd5 ({or} 6... Nxd5 7. e4 Nxc3 8. bxc3 {Rosetto - Kashdan : Hollywood, CA 1945 }) 7. Bg5 {(Dus Chotimirsky - Schlechter : Karlsbad 1911) which I noted nearly 11 years ago but did not commit to memory!}) 6... e6 $2 (6... dxc4 $142 { as played by Tomkovich in 2006.}) 7. e3 (7. e4 dxe4 8. Nxe4 $14 h6 $140 $2 9. Bxf6 Bxf6 10. Nxf6+ Qxf6 {B.H. Wood - Zita : Buenos Aires (ol) 1939} 11. g3 $16 {was a good alternative.}) 7... O-O 8. h4 (8. Be2 $142 $14 {B. Vladimirov - Seleznev : Perm 1960}) 8... Nbd7 $146 ({Previously seen here were:} 8... h6 9. Bf4 (9. Bxf6 Bxf6 10. h5 g5 11. O-O-O $11 {Jacq - Carral : Nancy 2013}) 9... Nbd7 10. Bd6 Re8 $11 {S. Hess - Nickel : Hanau 2011}) ({&} 8... Qb6 9. Nd2 Nbd7 10. cxd5 Qxb3 11. Nxb3 exd5 $11 {Rombaldoni - Luciani : Montebelluna 2007}) 9. h5 Re8 10. hxg6 hxg6 11. Bd3 $5 ({Better & simpler was} 11. O-O-O) 11... Qb6 { [#]} 12. Qxb6 (12. Qc2 $142 $1 {/\ Bxg6} e5 13. Bxf6 $1 ({I only considered} 13. Bxg6 $4 fxg6 $19 14. Qxg6 $2) 13... Bxf6 (13... e4 $4 14. Bxg7 exd3 15. Qd2 $1 Kxg7 16. e4 $3 dxe4 17. Qh6+ $18 Kf6 18. Qg5+ Kg7 19. O-O-O $3 exf3 20. Qh6+ Kf6 21. Qh4+ Kg7 22. Qh7+ $18) 14. Bxg6 $1 e4 (14... fxg6 $4 15. Qxg6+ $18 Kf8 (15... Bg7 $143 16. Ng5 {& White mates in 2.}) 16. Ng5 $1 $18 {->}) 15. Bh7+ Kg7 16. O-O-O Nf8 (16... exf3 $143 $2 17. gxf3 $16) 17. Bxe4 $1 dxe4 18. Nd2 $14) 12... Nxb6 $6 (12... axb6 $142 $11) 13. Ne5 Nfd7 14. Nxd7 (14. f4 dxc4 15. Nxc4 Nxc4 16. Bxc4 {is also +/=.}) 14... Nxd7 15. Kd2 (15. cxd5 $142 exd5 16. Kd2 $14) 15... dxc4 16. Bxc4 e5 17. d5 Nb6 $6 (17... e4 $142 18. d6 b5 19. Bb3 a5 $11) 18. Bb3 cxd5 {[#]} 19. Nxd5 $2 (19. e4 $142 $1 $14 dxe4 $140 $2 (19... d4 $143 20. Nb5) 20. Nxe4 $16) 19... Nxd5 20. Bxd5 Rb8 $2 (20... e4 $142 21. Bc4 Be6 $15) 21. e4 Be6 22. Bxe6 Rxe6 23. Rac1 f6 (23... Ra6 $142 24. a3 b5 $11 ) 24. Be3 Rd8+ 25. Ke2 a6 $2 {[#]} (25... Red6 $142 $14) 26. Rc7 b5 27. Rhc1 Red6 (27... Rde8 $142) 28. Rb7 R8d7 (28... Bf8 $142) 29. Rcc7 $2 (29. Rxd7 $142 Rxd7 30. Rc6) 29... Rxc7 30. Rxc7 f5 31. f3 fxe4 32. fxe4 Bf6 (32... Rf6 $142) 33. Bc5 Re6 34. Rd7 $2 (34. b3 $142 $16) 34... Rc6 35. b4 Bg5 36. Kd3 (36. Kf3 $142 Bc1 37. g3) 36... Bc1 37. Rd6 {White offers a draw. Black accepts. Game drawn by agreement. Time left - Moldovan 22:12, Tang 18:55 Estimated time used - Moldovan 35:53, Tang 39:10 Longest thinks: White - 8 minutes for 12. Qxb6 Black - 4 minutes for 37...1/2-1/2 & 3 minutes for 18....cxd5.} ({After} 37. Rd6 Rxd6+ 38. Bxd6 {there's little play left. For example:} Bb2 39. Ke2 Kf7 40. Kf3 Ke6 41. Bc5 Bc3 42. Kg4 Bd2 43. Kf3 a5 44. bxa5 Bxa5 $11) (37. Kc2 $142 Be3 38. Rd5 $14 Bxc5 $140 $4 39. bxc5 $8 $18) 1/2-1/2 [Event "Kenilworth Summer Tournament"] [Site "Kenilworth, NJ"] [Date "2017.06.29"] [Round "5.2"] [White "McCorkell, Jack"] [Black "Moldovan, John"] [Result "1/2-1/2"] [ECO "B10"] [WhiteElo "1545"] [BlackElo "1814"] [Annotator "Moldovan,John"] [PlyCount "67"] [EventDate "2017.06.01"] [EventRounds "14"] [EventCountry "USA"] [Source "John Moldovan"] [SourceDate "2017.01.07"] [SourceVersion "1"] [SourceVersionDate "2012.01.07"] [SourceQuality "1"] {Board 1 G/55+5 (delay) B10 Caro-Kann Defense Closed System (by transposition - 7...c6)} 1. e4 g6 {I've had 6 Blacks in this event & started this way every time. Am I going to the well too often?} 2. Nf3 Bg7 {Varying from last week's} (2... c6) 3. g3 d6 4. Bg2 Nd7 {Jack seemed surpised by this.} ({Perhaps he expected me to go into a Sicilian via} 4... c5 {&, after} 5. O-O Nc6 6. d3 { , transpose into our (skittles simul) game of 2/11/2016 with} e6 (6... e5 $1) 7. Re1 Nge7 {. See also my 2006 loss to Potts &amp 2014 ICCF win over Saxena.}) 5. O-O ({The ending resulting from} 5. d4 e5 6. dxe5 Nxe5 7. Nxe5 dxe5 8. Qxd8+ Kxd8 {(Zabystrzan - Macicek : Czechia 2007) brings White no advantage. For example:} 9. Nc3 c6 10. Bg5+ Kc7 11. O-O-O Bh6 $11) 5... Ngf6 6. d3 (6. Nc3 O-O (6... c5 7. d4 cxd4 8. Nxd4 O-O {is an unusual Dragon.}) 7. d4 e5 {makes a Pirc.}) 6... O-O 7. Nbd2 c6 (7... c5 {(A05 Reti)} 8. Re1 b6 $5 {Cucancic - Doric : Rijeka 2014} 9. e5 $140 $146 dxe5 10. Nxe5 Nxe5 11. Bxa8 $2 (11. Rxe5 $142 Rb8 $11) 11... Nd5 $1 $15 {, threat: 12...Bg4, was playable.}) ({Likewise} 7... b6 $5 8. e5 dxe5 9. Nd4 (9. Nxe5 $2 Nxe5 10. Bxa8 Bg4 11. f3 Bh3 $15) 9... exd4 10. Bxa8 Nc5 $44) 8. Re1 ({RR} 8. Rb1 Qc7 9. b3 a5 $146 10. a4 e5 11. Ba3 b5 12. axb5 cxb5 $11 { Williams - Moldovan : March G/90, Rahway 3/12/2014}) (8. a4 {(by transposition) } a5 9. Re1 Qc7 10. c3 e5 11. Qc2 b6 $146 12. Nf1 Ba6 13. b4 Rfe8 14. h3 d5 $11 {J. West - Moldovan : Thomas Elberling Memorial, Rahway 12/20/2014}) 8... Qc7 9. Nf1 b6 {[#]} ({For} 9... e5 {see my 2009 win over Sturniolo.}) (9... a5 10. c3 b5 {(Rubio - Valero : Malaga 2001), /\ ..a5 + ...b4, also looks good.}) 10. c3 $146 (10. Rb1 e5 11. b4 c5 12. c3 Bb7 13. Ne3 Rfe8 14. a3 $11 {was played in Gehlen - Weidinger : Hoeheinoed 2008.}) 10... e5 11. Ne3 a5 {This is okay but ...d5, here or on the next 2 turns, was more thematic.} 12. Rb1 Ba6 13. b3 Nc5 14. c4 {Now my ...Ba6 bites on granite.} Ne6 15. Bb2 Nd7 ({>= the mundane, symmetrical} 15... c5 { trading the d5 square for d4} 16. Nd5 Nxd5 17. exd5 Nd4) 16. Qe2 {[#]} (16. d4 $142 {with a K's Indian-type position.}) 16... f5 $4 {My pieces are poorly placed to support this.} (16... b5 $11 {was the right way to chip at White's center.}) 17. exf5 gxf5 18. Rec1 $4 (18. Bh3 $142 $18) 18... Rae8 $6 (18... f4 $142 19. Bh3 Rae8 20. Nf5 Bb7 $11) 19. Qd1 $2 (19. Nh4 $142 $14) 19... f4 20. Nc2 Bc8 21. Qe1 $2 (21. Nh4 $142 $15) (21. Qd2) ({or} 21. b4) 21... Ndc5 22. Rd1 {[#]} Nd4 $2 (22... Nxd3 $142 $1 23. Rxd3 e4 $17) 23. Ncxd4 exd4 24. Qd2 fxg3 (24... Bg4 $142 25. Nxd4 Bxd1 26. Rxd1 Ne6) 25. fxg3 Bg4 (25... Bf5 26. Bxd4 Nxd3 { was simpler.}) 26. Rf1 {[#]} Ne6 $2 (26... Bxf3 $142 $1 {Addressing the d4 problem.} 27. Bxf3 ({or} 27. Rxf3 Rxf3 28. Bxf3 Re3) 27... Re3 $11) 27. Ng5 $1 Nxg5 $2 (27... Nc5 $142 28. Rxf8+ Rxf8 29. Re1 Qd7 30. Ne4 Bf5 $14) 28. Qxg5 { With the double attack on g4 & d4, I have no time for ...c5 & must lose a P.} Be2 $2 (28... Rxf1+ $142 29. Bxf1 Qd7) 29. Rxf8+ Rxf8 $2 (29... Kxf8 $142 $16) 30. Bxd4 $2 (30. Re1 $142 $18) 30... Bxd3 31. Bxg7 $6 (31. Re1 $142) 31... Qxg7 $2 (31... Bxb1 $142 32. Bxf8+ Kxf8 $16) 32. Qxg7+ Kxg7 33. Rd1 $18 Be2 $2 ( 33... Bf5 $142 34. Bxc6 Rf6) 34. Rxd6 {& here Jack offered a draw-gift, which I duly accepted. Time left - McCorkell 21:44, Moldovan 31:35 Estimated time used - McCorkell 36:06, Moldovan 26:15 Longest thinks: White - 6 minutes for 21.Qe1? Black - 4 minutes for 26...Ne6?} ({After} 34. Rxd6 b5 35. Rd7+ Kg8 36. Bxc6 bxc4 37. Bd5+ Kh8 38. Re7 Bd3 39. bxc4 $18 {Black is 2 Ps down for no compensation.}) 1/2-1/2

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