Sunday, July 24, 2016

Blackmar-Diemer Lamb Attack

One of the critical lines in the Blackmar-Diemer Gambit Lamb Variation after 4.f3 Nc6 follows the battle over the center. The key squares are d5 and e5. In my Internet Chess Club game against a guest we continued with 5.d5 Ne5 followed by 6.fxe4 e6.

White protects d5 and Black attacks it. Focus then turns to e5. White develops with 7.Nf3. The attacked knight on e5 captured with check. Black could also equalize by protecting the Ne5 with 7…Bd6. Black answers with 8.Qxf3 e5 to keep White from opening the center too quickly. A reasonable alternative was 8…exd5 leaving White with a slightly exposed pawn on d5. Both sides castled and checked the opposing kings bishops. Multiple exchanges followed.

How strong was my opponent? Who knows? Your guess on this guest is as good as mine. On move 18 Black dropped a knight. This happens in blitz chess to everyone, but not all the time. The rest of the game is a matter of technique. Black hoped to queen his passed e-pawn. That died with my 40.Rxe2.

This line is section 3.1 in my Blackmar-Diemer Games 2 book.

Sawyer (2000) - guest579, ICC 5 2 u Internet Chess Club, 09.01.2003 begins 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 Nc6 5.d5 Ne5 6.fxe4 e6 7.Nf3 Nxf3+ [7...Bd6 8.Bb5+ Bd7 9.Bf4=] 8.Qxf3 e5 [8...exd5 9.Nxd5 Nxd5 10.exd5 Bc5 11.Bf4 Qh4+ 12.g3 Qe7+ 13.Qe2 Qxe2+ 14.Bxe2=] 9.Bb5+ Bd7 10.0-0 Bc5+ 11.Kh1 0-0 12.Be3 Bxb5 13.Bxc5 Bxf1 14.Bxf8 Kxf8 15.Rxf1 Qd7 16.h3 c6 17.Qf5 Qxf5 18.Rxf5 g6? [18...cxd5 19.exd5+/=] 19.Rxf6 Ke7 20.Rf3 cxd5 21.Nxd5+ Kd6 22.Rxf7 Rc8 23.c3 Rc4 24.Rxb7 Rxe4 25.Nf6 Re2 26.Nxh7 e4 27.Ng5 e3 28.Nf3 Rf2 29.Kg1 Kd5 30.a4 Ke4 31.Rxa7 Rxb2 32.Rg7 Rb1+ 33.Kh2 Kd3 34.Rxg6 Kxc3 35.Re6 Kd3 36.a5 e2 37.a6 Ra1 38.Kg3 Rf1 39.h4 Kc4 40.Rxe2 Kb5 41.Re6 Ra1 42.h5 Black resigns 1-0

You may also like: King Pawn (1.e4 e5) and Queen Pawn (1.d4 d5)
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