Friday, July 8, 2016

Queens Knight to BDG Lemberger

ChessDoc won a Blackmar-Diemer Gambit Lemberger vs Harthor. This game began as a Queen's Knight Attack 1.Nc3. I examine the game from the point of view of each opening. The normal BDG Lemberger move order would be 1.d4 d5 2.e4 dxe4 3.Nc3 e5 4.Nxe4 f5 5.Ng5. This Lemberger line transposes to the game.

The BDG Lemberger is covered in my Blackmar-Diemer Games 2 book in chapter two. This particular game would be section BDGD 2.4 in my new classification system. That is Blackmar-Diemer Gambit Declined chapter two and section four.

In addition to 5.Ng5, White could play 5.Bc4. That transposes to the game as well after 5…Qxd4 6.Qxd4 exd5 7.Ng5. A slightly different idea is 5.Nc3. Now Black takes on d4. 5…Qxd4 6.Qxd4 exd4 7.Nb5 Bb4+ 8.Bd2 Bxd2+ 9.Kxd2 Kd8 10.Nxd4=.

The Queen’s Knight or Van Geet move order usually continues 1.Nc3 d5 2.e4 d4. Here the Van Geet Exchange with 2…dxe4 3.Nxe4 leads to equal chances. Whoever plays better wins the game.

ChessDoc (2457) - Harthor (2458), ICC 3 0 Internet Chess Club, 16.02.2009 begins 1.Nc3 d5 2.e4 dxe4 3.Nxe4 f5 4.Ng5 [4.Nc3! e5 (4...Nf6 5.Nf3 Nc6 6.d4 e6 7.a3 h6 8.Bb5+/=; 4...Nc6 5.Nf3 e6 6.Bc4 Bc5 7.0-0 Nf6 8.Ne2+/=) 5.Bc4 Nc6 6.d3 Nf6 7.Nf3 Bd6 8.Ng5 Qe7 9.Bf7+ Kf8 10.Bb3 Na5 11.0-0 Nxb3 12.axb3 h6 13.Nf3=] 4...e5 5.d4 Qxd4 6.Qxd4 exd4 7.Bc4 Bb4+ [7...Nc6! 8.N1f3 h6 9.Ne6 Bxe6 10.Bxe6 Bb4+ 11.Ke2 g6 12.Rd1=] 8.Kf1 Nf6 9.a3 Bc5 10.b4 [10.Bf4+/=] 10...Bb6 11.Bf4 h6 12.Re1+ Kf8 13.Nf7 Rg8?! [13...Rh7 14.h4 Nc6 15.Nf3+/=] 14.Ne5 g5 15.Bxg8 Kxg8 16.Bd2 [16.Bc1+/=] 16...Ne4 17.Bc1 Be6 18.f3 Nc3 19.h4 g4 20.Bxh6 a5 21.Nd3 Bc4 22.Re8+ Kf7 23.Rf8+ Kg6 24.Bd2 axb4 25.axb4 Ra1+ [25...Ra2 26.Rxb8=] 26.Kf2 Bxd3 27.cxd3 Nd7? [27...Nc6=] 28.h5+ Kg7 29.Rd8 [White is winning after 29.h6+! Kh7 30.Rf7+ Kh8 31.Rxd7+-] 29...Nf6 [29...Ne5 30.h6+ Kh7 31.Kg3+/-] 30.h6+ Kg6 31.h7 Nxh7 32.Rh6+ Kg7 33.Rd7+ Kg8 34.Rhxh7 [34.Rg6+! Kh8 35.Rd8+ Nf8 36.Rxf8+ Kh7 37.Rfg8+-] 34...f4 35.Bxf4 g3+ 36.Kxg3 Rxg1 37.Be5 Ne2+ 38.Kf2 1-0

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