2 Jun 2015

A87 Dutch Defence: Leningrad System: 5.Nf3 (1.d4 f5 2.c4 Nf6 3.d5 c6 4.Nc3 g6 5.Nf3 Bg7 6.g3 O-O 7.Bg2 Na6 8.O-O)

A87 Dutch Defence: Leningrad System: 5.Nf3 (1.d4 f5 2.c4 Nf6 3.d5 c6 4.Nc3 g6 5.Nf3 Bg7 6.g3 O-O 7.Bg2 Na6 8.O-O)

This is a game that was played in the round one of the 1800+ 7 Days tournament that is held at Chess.com. This is also the only game I have not lost from the three games I have finished in this tournament. My half a point puts me in seventh place at the moment in this eight player group. My opponent in this game, coronaguy, is currently second in the standings. I was pretty much losing this game until my opponent made a mistake that allowed me to get some counterplay and I saved myself with repeating the position that my opponent could not get away from. My game load keeps easing up a bit every day and I only have 194 games left anymore. At the moment it is still too many games but the quite fast pace of ending games is a positive sight for these old eyes of mine. I have added three mate in twos and two mate in three puzzles today.

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MoveNResultElo
1.e41,166,62354%2421
1.d4947,29855%2434
1.Nf3281,60256%2441
1.c4182,10256%2442
1.g319,70256%2427
1.b314,26554%2427
1.f45,89748%2377
1.Nc33,80151%2384
1.b41,75648%2380
1.a31,20654%2404
1.e31,06848%2408
1.d395450%2378
1.g466446%2360
1.h444653%2374
1.c343351%2426
1.h328056%2418
1.a411060%2466
1.f39246%2436
1.Nh38966%2508
1.Na34262%2482
1.d4 1.c4 f5 0-1 (28) Lust,N (1121)-Butschek,G (1639) Dortmund 2010 1...f5 2.c4 Nf6 A84 Dutch Defense: Normal Variation 3.d5 3.h4 c6 4.Nc3 e6 5.Bg5 d5 6.e3 Be7 7.Nh3 0-0 8.Nf4 Ne4 9.Bxe7 Qxe7 10.Qc2 Nd7 11.cxd5 exd5 12.g4 Nxc3 13.bxc3 fxg4 14.0-0-0 Nf6 15.Bd3 b5 16.h5 Rb8 17.Kb2 a5 Herb,P (2390)-Szabolcsi,J (2380) Belfort 1992 0-1 (43) 3...c6N 3...d6 4.Nc3 4.Qb3 Na6 5.Be3 g6 6.Nf3 Bg7 7.Nd4 0-0 8.Nc3 Ng4 9.Ncb5 f4 10.Bd2 Nc5 11.Qc3 a6 12.Na3 Ne4 13.Qc1 Bxd4 14.e3 fxe3 15.fxe3 Nxd2 16.exd4 Nxf1 17.Rxf1 Rxf1+ 18.Kxf1 Qf8+ Lust,N (1121)-Butschek,G (1639) Dortmund 2010 0-1 4...g6 5.Bg5 Bg7 6.Nf3 h6 7.Bd2 0-0 8.Qc1 Kh7 9.e3 c6 10.Bd3 cxd5 11.cxd5 Nbd7 12.Nd4 Nb6 13.e4 fxe4 14.Bb1 Nfxd5 15.Nb3 Nf6 16.Nxe4 Nxe4 17.Bxe4 d5 18.Bd3 Lazzarin,L-Wiltner,M (1566) Sao Bento do Sul 2016 0-1 3...g6 4.Bd2 e5 5.Bc3 d6 6.Qa4+ Bd7 7.Qb3 Na6 8.Qxb7 Nc5 9.Qb4 Bg7 10.f3 0-0 11.Nd2 Na4 12.e4 fxe4 13.fxe4 Ng4 14.Ngf3 Ne3 15.Bd3 Nxg2+ 16.Kf2 Nf4 17.Bf1 Nc5 18.Qa3 David,J (1688)-Bourcier,L (1838) Paris 2011 0-1 4.Nc3 g6 5.Nf3 Bg7 6.g3 0-0 7.Bg2 Na6 8.0-0 A87 Dutch Defence: Leningrad System: 5.Nf3 8.Be3 8...d6 8...Qc7= 9.Nd4?
9.dxc6!± Black must now prevent Nd4. Nb4 10.cxb7 Bxb7 11.Be3 9...cxd5 9...e5= might be stronger. 10.Nb3 10.dxc6 exd4 11.cxb7 Bxb7= 10...Bd7 10.Nxd5 Nc5 10...Nxd5= 11.cxd5 11.Bxd5+ Kh8= 11...Qb6 11.b4 11.Nxf6+± Bxf6 12.Be3 11...Ne6 11...Nce4= 12.Bb2 12.Nxf6+!± Rxf6 13.Bb2 12...Nxd4 13.Bxd4 13.Qxd4± Be6 14.a3 13...Nxd5 13...e5!= remains equal. 14.Bc3 Rf7 14.Bxd5+ But not 14.cxd5?! Bf6 14.Bxg7 Kxg7 15.Qxd5 15.cxd5 Kg8 14...e6± 15.Bxg7 Kxg7 16.Bg2 Qc7 Black should try 16...Qe7 17.Qd3 Rd8 17...a5 18.a4 18.Rad1 18...e5 19.Bd5 19.a5± 19...Rb8 19...Bd7 20.Qe3 b6 21.h4 21.a5± 21...Bb7 21...Rf8= 22.Rfc1 22.Rfd1 22...Bxd5 23.cxd5 Qf7 24.Qd3 24.Qf3 24...Rbc8 24...Rd7= 25.Rc6 Qd7?
25...Rb8 26.b5? Better is 26.Rac1+- 26...Ra8? 26...Rb8 27.Rac1? 27.Qc4+- has better winning chances. aiming for Rc7. Rac8 28.Rc1 Rxc6 29.bxc6 27...Rdc8? 27...Qe7± 28.R1c4 Rxc6 29.bxc6+- Endgame KQR-KQR Less strong is 29.Rxc6 Rd8 Much less strong is 29.dxc6?! Qe6± 29...Qc7 30.Qc3 Kg8 31.f4 Re8 32.Kf2 32.fxe5 Rxe5 33.h5! 32...Kf7 33.Rb4 exf4 33...Qe7 might work better. 34.gxf4? 34.Rxf4+- And now e4! would win. Kg8 35.Qf6 34...Qe7!= 35.Qd3 Qxh4+ 36.Kf1! Qh1+ 37.Kf2 Qh4+ 38.Kf1! Qh1+? Accuracy: White = 8%, Black = 22%. 38...Kg7
½–½
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WhiteEloWBlackEloBRes
coronaguy1845Vierjoki,T1866½–½

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