(15) Kearney,D (1725) - Zimmerman,I (2052) [D20]
Berkeley Marathon San Francisco, CA (2), 16.07.2004

1.d4 d5 2.c4 dxc4 3.Nc3 e5 Diagram

I don't know what the heck this is called, but it seems to have a reasonable enough pedigree. 4.d5 [ 4.e3 exd4 5.exd4 Nf6 ( 5...Nc6 6.Nf3 Nf6 7.Bxc4 Bd6 8.0-0 0-0 9.Bg5 Bg4 10.Nd5 Be7 11.Nxe7+ Qxe7 12.Bd5 Rfd8 13.Re1 Qd6 14.Bxc6 bxc6 15.h3 Bh5 16.Rc1 Rab8 17.g4 Bg6 18.Ne5 c5 19.dxc5 Qa6 20.Qf3 Rxb2 21.Nc6 Be4 22.Ne7+ Kh8 23.Rxe4 Nxe4 24.Qxe4 Re2 25.Be3 Rxa2 26.Nc6 Rg8 27.Qd5 Ra4 28.Ne5 h6 29.Qxf7 Qf6 30.Qxf6 gxf6 31.Nf7+ Kh7 32.Nxh6 Rd8 33.Nf5 a5 34.c6 Re4 35.Rc5 Re5 36.Rc4 Re6 37.Bf4 Rc8 38.Rd4 Kh8 39.Rd7 a4 40.Ne7 Rxe7 41.Rxe7 a3 42.Bh6 a2 43.Bg7+ Kh7 44.Bxf6+ Kg6 45.Bc3 Rb8 46.Rxc7 Rb3 47.Rg7+ Kh6 48.g5+ Kh5 49.Bf6 Ra3 50.c7 a1Q+ 51.Bxa1 Rxa1+ 52.Kg2 Rc1 53.f4 Rc3 54.Kf2 1-0 Marshall,F-Janowski,D/New York 1924/HCL (54)) 6.Bxc4 Be7 7.Nf3 0-0 8.h3 ( 8.0-0 Nbd7 9.Bb3 Nb6 10.Re1 c6 11.Bg5 Nbd5 ( 11...Bg4 12.Qd3 Bxf3 13.Qxf3 Nfd5 14.Bxe7 Nxe7 15.Re5 Ng6 16.Re4 Nd7 17.Rd1 Qa5 18.Re3 Rad8 19.Ne4 Qc7 20.h4 h6 21.Qg4 Kh8 22.h5 Nf4 23.Rg3 g5 24.hxg6 fxg6 25.Re1 Rde8 26.Rge3 Nb6 27.Nc5 Qc8 28.Qxf4 1-0 Vaganian,R-Hubner,R/Tilburg 1983 (28)) 12.Nxd5 cxd5 13.Ne5 Be6 14.Nd3 Ne4 15.Bxe7 Qxe7 16.f3 Nf6 17.Nc5 Rac8 18.Re3 Rc6 19.Qd2 b6 20.Nxe6 Rxe6 21.Rae1 Rxe3 22.Qxe3 Qb4 23.Qc3 Qd6 24.Re5 h6 25.Kf2 Rd8 26.h4 Kf8 27.a3 Rd7 28.Qb4 Qxb4 29.axb4 Ng8 30.Rxd5 Rxd5 31.Bxd5 Ne7 32.Be4 Nc8 33.Ke3 g5 34.hxg5 hxg5 35.f4 gxf4+ 36.Kxf4 f6 37.Bd3 Nd6 38.Kg4 Kg7 39.g3 Kf7 40.Kh5 Kg7 41.g4 1/2-1/2 Browne,W-Petrosian,T/Las Palmas izt 1982 (41)) 8...Nbd7 9.0-0 Nb6 10.Bb3 c6 ( 10...Nbd5 11.Bg5 Be6 12.Rc1 c6 13.Re1 Rc8 14.Qd2 Re8 15.Re2 Qb6 16.Rce1 Rcd8 17.Bxf6 Bxf6 18.Ne4 Be7 19.Neg5 Bxg5 20.Nxg5 Bd7 21.Qd3 g6 22.Qf3 Rf8 23.Qe4 Rde8 24.Qh4 h5 25.Ne4 Kg7 26.Ng3 Qd8 27.Qxd8 Rxd8 28.Bxd5 cxd5 29.Re5 Bc6 30.f4 Rfe8 31.f5 h4 32.Nf1 gxf5 33.Rxe8 Bxe8 34.Re5 1/2-1/2 Marshall,F-Napier,W/Cambridge Springs 1904/HCL (34)) 11.Re1 Nbd5 12.Bg5 Be6 13.Ne5 Re8 14.Rc1 Nc7 15.Bc2 Nd7 16.Qh5 Nf8 17.Bxe7 Rxe7 18.Rcd1 f6 19.Nf3 Qd7 20.Qc5 Ree8 21.Re3 Nd5 22.Nxd5 Bxd5 23.Bb3 Rxe3 24.fxe3 Qe6 1/2-1/2 Yusupov,A-Hubner,R/Belfort WC 1988 (24)] 4...c6 [ 4...Bc5 5.e3 Nf6 6.Bxc4 a6 7.a3 0-0 8.Nge2 Nbd7 9.b4 Ba7 10.Bb2 Ng4 11.Ng3 f5 12.h3 Nxf2 13.d6+ Kh8 14.Kxf2 Qh4 15.Qh5 Qxc4 16.Ke1 f4 17.Nge4 Bxe3 18.Rd1 cxd6 19.Nxd6 Qb3 20.Ba1 Bd4 21.Rd3 Nf6 22.Qe2 Qe6 23.Nxc8 Qxc8 24.Kd2 Qf5 25.Rd1 Bxc3+ 26.Bxc3 e4 27.Rd4 Rac8 28.Ba1 f3 29.Qe3 fxg2 30.Ke1 Rc2 31.Qg1 Ng4 32.Rd8 Qf1+ 33.Qxf1 gxf1Q# 0-1 Perigal,G-Anderssen,A/London 1851/EXT 2000 (33)] 5.e4 Bc5 and we depart from theory... [ 5...Bb4 6.Bxc4 Nf6 7.Qb3 Qd6 ( 7...Qa5 8.Bd2 0-0 9.a3 Bxc3 10.Bxc3 Qc7 11.Nf3 Nxe4 12.Bxe5 Qe7 13.0-0 Nd7 14.Bf4 cxd5 15.Bxd5 Nb6 16.Rfe1 Nxd5 17.Qxd5 Nf6 18.Qg5 Be6 19.Nd4 Rfd8 20.Be5 h6 21.Bxf6 hxg5 22.Bxe7 Rxd4 23.Bxg5 Rc8 24.Be3 Ra4 25.Rac1 Rxc1 26.Rxc1 a6 27.h3 Rc4 28.Rd1 Rc2 29.Bd4 Rc7 30.Bc3 Rd7 31.Re1 Kh7 32.Re3 Rd1+ 33.Kh2 g5 34.Kg3 Kg6 35.f4 gxf4+ 36.Kxf4 Rf1+ 37.Ke5 Rf5+ 38.Kd6 Rf2 39.Rg3+ Kh6 40.Rg8 Rf5 41.g4 1-0 Kotov,A-Kholmov,R/Moscow 1948/URS-ch (41)) 8.Nge2 Nxe4 9.dxc6 0-0 10.0-0 Bxc3 11.cxb7 Bxb7 12.Qxb7 Nc6 13.bxc3 1-0 Tartakower,S-Fuster,G/Budapest 1948/EXT 99 (13)] 6.Nf3 b5 7.Be2 [ Fritz plays 7.Nxe5 Qc7 8.Bf4 Bd6 9.Nxf7 Kxf7 Diagram

yikes! heh {:)10.e5] 7...f6 8.0-0 Ne7 9.dxc6 Qb6 10.a4 [ for some strange reason, the engines suggest 10.c7 Nd7 ( 10...Qxc7? 11.Nxb5) 11.b3 undermining enough, I guess] 10...b4 Diagram

a regrettable development11.Nd5 Qxc6 12.Bxc4 Ba6? [ time was not for the faint of heart 12...Bxf2+ 13.Rxf2 Qxc4 Diagram

14.Rc2 ( 14.Qe2 Qxe2 15.Rxe2 Nxd5 16.exd5 Bb7) 14...Qxe4] 13.Nxe7 Kxe7 14.Bd5 Rd8 15.Nxe5 Qb6 16.Qf3? [ ::sigh:: I admit it. I'm just going by Fritz here 16.Nd3 Bd4; 16.Qh5 looks nasty; 16.Qg4 Kf8 17.Bh6 gxh6? 18.Qg8+] 16...Rxd5 now black should be back in the game 17.exd5 Bxf1 18.Kxf1 fxe5 19.Bg5+ Ke8 20.Qf5 [ Fritz likes 20.d6 hitting the rook. 20...Qa6+ 21.Kg1 Qc6 22.Qxc6+ Nxc6 23.Rc1] 20...Nd7 [ 20...h6 21.Qxe5+ Kf8 22.Qf5+ Kg8] 21.Qxh7 g6 22.Qg8+ Bf8 23.Re1 Rc8 24.Bh6 Rc2 25.Be3 Qd6 26.Bh6 Qf6 [ it appears that 26...Rxb2 might have been possible 27.Rc1 Qa6+ 28.Kg1 Qf6 ( 28...Ra2? 29.d6 Rxa4?? 30.Qe6+) 29.Rc8+ Ke7 30.Bg5 Rb1+[] ( 30...Qxg5?? 31.Qe6#) 31.Rc1 Rxc1+ 32.Bxc1] 27.f4! Diagram

27...Qb6 [ 27...Rxb2] 28.Rxe5+ Kd8 29.Bg5+ Kc7 30.d6+ [ 30.Re2 Rc1+ 31.Re1 Qa6+ 32.Kf2 Bc5+ 33.Re3] 30...Qxd6 31.Rd5 Qa6+ 32.Rb5[] Qxa4 33.Re5 Qa6+ 34.Ke1 [ 34.Kg1 Qa1+] 34...Qa1# 0-1