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ANNOTATED GAME

34th GK tournament
altlauf (1550) vs. ethansiegel (1830)
Annotated by: ethansiegel (1986)
Chess opening: KGD (C30), classical, Svenonius variation
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It's truly amazing how an innocent-looking deviation from the opening book can lead to a devastating miniature. This is an example from the 34th GK tournament's expert section, my first time as a top seed (admittedly, in the 294th group!)
1. e4 e5 2. f4
King's gambit, which I was unhappy to see with the black pieces. As many of you know, playing defense is usually much more difficult than attacking...

 
2... Bc5
So I decline the gambit. White doesn't dare play fxe5 now, as Qh4 wins for black.

 
3. Nf3 d6 4. Bc4 Nc6 5. d3 Nf6 6. Nc3 Bg4
All standard developing moves for both sides so far -- this is a standard KGD position. My move here as black is aimed at getting that knight off the board, as it controls too much of the center here.

 
7. h3
More usual is Na4, eliminating the dangerous dark-square bishop, but h3 is quite playable.

 
7... Bxf3 8. Qxf3
A much better recapture than gxf3 positionally, but black has a nice move here...

 
8... Nd4
This is standard, so I can't give myself an exclam, but it hits the queen and threatens a nasty fork on c2; hence white is basically forced to retreat the queen to d1, (although he could accept the fork and attempt a counterattack with Qg3, I think that winning a pawn and some activity for the exchange isn't worth it).

 
9. Qd1 Nd7
This was the best move I could find in the position, threatening Qh4 and a strong attack. This is all still stuff that's in the GK game DB, though -- nothing new yet.

 
10. Na4
? Until now. I had expected Ne2, so that Qh4 could be met with g3! In principle, it's desirable to eliminate the dark-squared bishop, but Qh4 is very strong for black, and he simply doesn't have the time for this.

 
10... Qh4+
A good move -- this is why I expected Ne2. Now, white has only three legal moves, g3 (which leads to Qxg3 and a worse situation), Kf1, which leads to all sorts of kingside mating threats and a definite loss of material after 11. Kf1 Nf5 (threatening mate with Qf2) 12. Nxc5 Ng3 , or Kd2, as played in the game.

 
11. Kd2
This seems like the best attempt, but it turns out to walk into mate...

 
11... Bb4+
! White resigns. Although White probably sees only 12. c3 (or Nc3) Qf2 13. Qe2 Qxe2#, there is a sprightly forced mate after 12. Ke3, which I was excited to find when I played Bb4 . It goes 12. Ke3 Qg3 13. Qf3 exf4 14. Kxd4 c5 15. Nxc5 (or 15. Kd5 Qg5 16. Kxd6 Qe5#) dxc5 16. Kd5 Qg5 17. Kd6 Qe5# I was disappointed that my opponent didn't give me a chance to play my (I thought quite beautiful) mating combination, but it's still a wonderful demonstration how sometimes all it takes is one bad move out of the opening book to totally cook your goose!