Tuesday, September 6, 2016

Vandenbrouke vs BDG Lemberger

Nico Vandenbroucke was very helpful to my Blackmar-Diemer Gambit research in the 1990s. We played many correspondence games. In addition to our games, Nico Vandenbroucke sent me several of his other BDG games. We contested this BDG Lemberger 1.d4 d5 2.e4 dxe4 3.Nc3 e5. I don’t remember the specific Blackmar-Diemer Gambit thematic event. I don't think that the Lemberger was required by all.

When I play Black against a BDG, my normal reaction is to grab the gambit pawn and dare White to beat me. Sometimes White does win against me, but I try to make it hard for that to happen. Lemberger Counter Gambit 3…e5 leads to equal play. I do not want an equal position if I can be up a pawn. Thus I rarely play the Lemberger unless it is required or unless I am in the mood.

Nico chose the Rasmussen variation 4.Nge2 exd4 5.Qxd4 Qxd4 6.Nxd4 Nf7 7.Bg5. The Black knight temporarily protects the e4 pawn. White will chop off the knight and pick off the e4 pawn. At this point the opening tree branches into several directions. The two most common for Black are 7…Bb4 and 7…Be7.

Here I chose 7…Be7. Now White has these typical possibilities.
8.Ndb5 Na6 9.0-0-0 0-0 10.Be2 h6 11.Bxf6 Bxf6 12.Nxe4 =
8.Bxf6 Bxf6 9.0-0-0 0-0 10.Nxe4 Be5 11.Bc4 g6 12.h3 =
8.0-0-0 0-0 9.Bc4 h6 10.Bxf6 Bxf6 11.Nxe4 Bd8 12.f4 =
Vandenbroucke and I traded off pieces and agreed to a draw.

The line 4.Nge2 exd4 is section 2.9 in my Blackmar-Diemer Games 2 book.

Vandenbroucke - Sawyer, corr BDG thematic (1) 1997 begins 1.d4 d5 2.e4 dxe4 3.Nc3 e5 4.Nge2 exd4 5.Qxd4 Qxd4 6.Nxd4 Nf6 7.Bg5 Be7 [7...Bb4=] 8.0-0-0 0-0 9.Bxf6 [9.Bc4!?=] 9...Bxf6 10.Nxe4 Be5 11.Bc4 Nd7 12.g3 [12.Nf3 Bf4+ 13.Kb1 Ne5 14.Nxe5 Bxe5 15.Rhe1=] 12...Nb6 13.Be2 Re8 14.Bf3 c6 15.Rhe1 h6 [15...Kf8=] 16.Nd6 Re7 17.Nxc8 Rxc8 18.Nf5 Re6 19.Re4 Rce8 20.Kb1 [20.c3=] 20...Nd5 [20...Kf8 21.Nh4 g6=] 21.h3 [21.Nd4 R6e7 22.c3=] 21...a5 [To shake things up, Black could get a rook and pawn for two pieces with 21...Bxb2 22.Rxe6 Nc3+ 23.Kxb2 Nxd1+ 24.Bxd1 Rxe6=] 22.Nd4 Bxd4 23.Rdxd4 Rxe4 1/2-1/2


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