Sunday, November 13, 2016

Diebert Wins Alapin Diemer Gambit

Charles Diebert won a game in the French Defence Alapin-Diemer Gambit with 3.Be3. At the time this game was played, Diebert was the most successful BDG player in the USA. He defeated several masters with the Blackmar-Diemer.

The National Master Charles Diebert of Columbus, Ohio wrote the book, "The Blackmar-Diebert Gambit" published in 1991. I order a copy directly from Chuck Diebert when it was new. He wrote me a nice note when I bought the book from him.

Diebert starts college the same year I did. Charles began his chess career with 22 straight rated losses. Shortly after that, he discovered the Blackmar-Diemer Gambit. After the book was written, Charles Diebert went on to play other openings. In his prime Diebert was rated about 2400 both with and without the Blackmar-Diemer Gambit. On this occasion, Diebert played the Alapin French Defence against Terence W. Niehoff.

Diebert (2396) - Niehoff (2300), US Amateur Team Midwest 1987 begins 1.d4 d5 2.e4 e6 3.Be3 dxe4 4.Nd2 f5 5.f3 Nc6 6.c3 exf3 [Interesting is the Pachman idea of 6...e5 7.dxe5 Nxe5 8.fxe4 Nd3+ 9.Bxd3 Qxd3 but White can play 10.Qh5+! g6 11.Qe2 Qxe2+ 12.Nxe2=; 6...Nf6 7.fxe4 fxe4 8.Bg5 e3 9.Bxe3 e5 10.Ngf3 and 1-0 in 23. Chance - Armstead, USCF Corres. 1992/93] 7.Ngxf3 Nf6 [Or 7...Bd6 8.Nc4= with compensation for a pawn.] 8.Bc4 [If 8.Bd3?! e5!=/+] 8...Nd5 9.Qe2 Be7 10.0-0 0-0 11.Rae1 [The creative attacking master Janowski ventured 11.a3 Bf6 12.Rad1 a6 13.Ba2 b5 14.Nb3= and 1-0 in 40. Janowski - Corzo, Habana 1913] 11...Bf6 12.g3 [Diebert liked this idea. The alternative is 12.Bf2= ] 12...Kh8 13.Bf4 Nce7 [13...Nxf4 14.gxf4 Qd6=/+] 14.Ng5 Nxf4 15.gxf4 Bxg5 16.fxg5 Nd5 17.Qh5 h6 [17...b5 18.Bb3=] 18.Nf3 Nf4 19.Qh4 Ng6 20.Qg3 Re8 21.Kh1 Qd6 22.Re5 [22.Qh3!+/-] 22...Nf8 [22...Re7 23.gxh6+/=] 23.Qh4 [23.gxh6! g6 24.h4+-] 23...Bd7  [23...Qd8 24.Qg3+/-] 24.gxh6 Bc6 25.hxg7+ Kxg7 26.Rg1+ Ng6 27.Qh5 Bxf3+ 28.Qxf3 Kf6 29.Qg3 Qc6+ 30.Bd5 1-0

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