1 Feb 2020

A04 Unusual lines after 1.Nf3 and King's Indian Attack (1.c4 g6 2.g3 Bg7 3.Bg2 c6 4.d4 d5 5.cxd5 cxd5 6.Nc3 e6 7.Nf3 Nc6)

A04 Unusual lines after 1.Nf3 and King's Indian Attack (1.c4 g6 2.g3 Bg7 3.Bg2 c6 4.d4 d5 5.cxd5 cxd5 6.Nc3 e6 7.Nf3 Nc6)
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MoveNResultElo
1.e41,167,76854%2421
1.d4948,07955%2434
1.Nf3281,95656%2441
1.c4182,25556%2442
1.g319,72256%2427
1.b314,31654%2427
1.f45,91048%2377
1.Nc33,81451%2384
1.b41,75848%2380
1.a31,22154%2405
1.e31,07349%2409
1.d395450%2378
1.g466646%2361
1.h444953%2374
1.c343551%2426
1.h328356%2419
1.a411259%2465
1.f39346%2435
1.Nh38966%2508
1.Na34262%2482
1.c4 g6 A10 English Opening: Great Snake Variation 2.g3 Bg7 3.Bg2 c6 4.d4 d5 5.cxd5 cxd5 6.Nc3 e6 7.Nf3 Nc6 A04 Unusual lines after 1.Nf3 and King's Indian Attack 7...Ne7= 8.0-0 8.h4 8.Bg5 Nge7 9.Qd2 h6 10.Bxe7 Qxe7 11.Rc1 0-0 12.0-0 Bd7 13.e3 Rac8 14.Ne1 b6 15.Nd3 Na5 16.Rc2 Qd6 17.b3 Rc7 18.Rfc1 Rfc8 19.Bf1 Be8 20.Ne1 Qd8 21.Ba6 Nb7 22.Nd3 Bf8 Chuchelov,V (2540)-Lautier,J (2640) Germany 1998 1/2-1/2 (37) 8...Nf6 8...Nge7= 8...a6 9.b3 Nf6 10.Bb2 b5 11.Rc1 Bb7 12.a3 0-0 13.e3 Rc8 14.h4 h6 15.b4 Nd7 16.Nd2 Nb6 17.Nb3 Nc4 18.Qe2 Rc7 19.Nc5 Bc8 20.Rc2 Nxb2 21.Rxb2 Nxd4 22.exd4 Bxd4 23.Rc1 Blanke,M (1694)-Schmeing,M (1725) Germany 2010 1/2-1/2 (54) 9.e4N 9.Bf4 keeps the upper hand. a6 10.Ne5 Nxe5 11.Bxe5 0-0 12.Rc1 Bd7 13.Na4 Qa5 14.Nc5 Bc6 15.Qb3 Ra7 16.Rc2 Ne8 17.Bb8 Ra8 18.Nxb7 Qa4 19.Nc5 Qxb3 20.Nxb3 Ba4 21.Be5 Nf6 22.Rc3 Bb5 23.Bf3 Ne4 24.Bxe4 Schnabel,A-Maioli,A Cattolica 1993 1-0 (58) 9.Ne5 Nxe5 10.dxe5 Nd7 11.f4 0-0 12.e4 dxe4 13.Nxe4 Nb6 14.Be3 Qxd1 15.Rfxd1 Nd5 16.Bc5 Rd8 17.Nc3 Bf8 18.Bxf8 Kxf8 19.Kf2 Bd7 20.Nxd5 exd5 21.Bxd5 Bg4 22.Bf3 Be6 23.Ke3 Ke7 Ricardi,P (2538)-Pierrot,J (2427) Villa Martelli 2001 1-0 (31) 9...dxe4 9...Nxe4 10.Be3 f5 10.Ne5= Black has an edge. Qxd4 10...0-0 11.Re1 Nxd4 11.Qxd4 11.Nxc6= Qxd1 12.Rxd1 bxc6 13.Nxe4 11...Nxd4 12.Nxe4? 12.Rd1 Nd7 13.Rxd4 Nxe5 14.Rxe4 12...Nxe4 13.Bxe4 Bxe5 14.f4 Ne2+? 14...Bg7 15.Rd1 f5 15.Kg2? 15.Kf2 Nxf4 16.Bxf4 Bxb2 17.Rab1 Bd4+ 18.Be3 15...Bg7-+ 16.Rb1 Nxc1 17.Rfxc1 0-0 18.b3 f5 19.Bf3 Rb8 20.Rc7 Rf7 21.Rbc1 Rxc7 22.Rxc7 e5 23.fxe5? 23.Bd5+ Kh8 24.Re7 23...Bxe5 24.Bd5+ Kh8 25.Re7 Bf6 26.Rf7 Be5 27.Re7 Bc3 28.Re8+ Kg7 29.Re7+ Kh6 30.Bg8 Kg5 31.Bxh7 31.Rxh7 f4 32.Bd5 31...Kf6 32.Rc7 Be6? 32...Ba5 33.Rc5 Bb6 33.Rxc3 Endgame KRB-KRB b5? 33...Rh8-+ 34.Rc7 Bf7 35.Bxg6 Bd5+ 36.Kf1 Kxg6 34.Rc7 a5 Better is 34...Bd5+ 35.Kf2 Rh8 36.Rxa7 Bf7 37.Bxg6 Kxg6 38.Ra6+ Kg5 39.h4+ Kg4 35.h4 35.Ra7 was necessary. 35...b4 35...a4!-+ and Black stays clearly on top. 36.Rc6 Re8 37.bxa4 bxa4 36.Kf3
36.Kf2 36...a4! 37.bxa4? 37.Kf4 37...b3? 37...Bxa2-+ 38.Kf4 Bd5 38.axb3= Rxb3+ 39.Kf2 Ra3 40.Ra7 Ra2+ 41.Ke3 Ra3+ 42.Kf2 Bd5 43.a5 Rf3+ 44.Kg2 Ra3+ 45.Kh2? -
45.Kf2= 45...Ra2+? 45...Ra1! - mates 46.g4 f4 47.g5+ Kf5 48.Bxg6+ Kg4 49.Bf5+ Kxf5 50.Rf7+ Kg4 51.Rxf4+ Kxf4 52.h5 Rh1# 46.Kg1! Rg2+ 47.Kf1 Rxg3 48.Kf2 Rh3 Black should play 48...Rf3+ 49.Kg1 Bf7 49.Ra6+ The position is equal. Kg7 50.Bxg6 Rxh4 51.Be8 Be4 52.Ra7+ Kf8 53.Bb5 Rh2+ 54.Kg3 Rb2 55.Bd7 55.Ba6 is interesting. Rb4 56.Bf1 Rb7 57.Rxb7 Bxb7 58.a6 55...Rb7 56.Rxb7 Bxb7 57.Bxf5 And now Kf4 would win. KB-KB Ke7 58.Bd3 Kd6 59.Kf4 Kc6 60.Ke5 Kc5 61.Ke6 Kb4 62.a6 Bxa6 63.Bxa6 Accuracy: White = 37%, Black = 26%.
½–½
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WhiteEloWBlackEloBRes
Vierjoki,T1831AAMM4C1669½–½

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