Wednesday, March 30, 2016

Bishop Swap to Bishop Mate

It is amazing to find such a short Blackmar-Diemer Gambit win with players that are so high rated. The line 5.Nxf3 Bf5 is a logical choice by Black. It is named after the opening theorist Gerhart Gunderam. He defended against the BDG in dozens of correspondence games played against E.J. Diemer from the 1950s to the 1970s.

The proven move for White is 6.Ne5 intending 6...e6 7.g4. In response to the Gunderam 5...Bf5 played by "solidernas" below, "chessnight" prefers the less popular 6.Bd3. Later both these handles became inactive on the Internet Chess Club. I do not know what chess engine "chessnight" used.

White offered a bishop swap when down a pawn. After the exchange on move 7, White won the game quickly. In fact Black would be checkmated in just 14 more moves by the other bishop.

chessnight (2622) - solidernas (2467), ICC 5 0 Internet Chess Club, 29.11.2007 begins 1.d4 Nf6 2.Nc3 d5 3.e4 dxe4 4.f3 exf3 5.Nxf3 Bf5 6.Bd3 Bxd3 7.Qxd3 e6 8.Qb5+ Qd7? [A better continuation is 8...Nbd7 9.Qxb7 Bd6 10.0-0 0-0 11.Nb5=] 9.Qxb7 Qc6 10.Qc8+ Ke7 11.Ne5 Qxg2 12.Qxc7+ Nbd7 13.Rf1 Ke8 14.Be3 Bb4 [14...Be7 15.0-0-0 Bd8 16.Qc4+-] 15.0-0-0 Bxc3 16.Rxf6 Bxb2+ 17.Kxb2 Nxf6 18.d5 Qe4 19.Qc6+ Kd8 20.Qxa8+ Ke7 21.Bc5# 1-0

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