Dave Regis 0-1 Unes Hassim

Alle Rechte vorbehalten. Rev. 1.0 - 15.08.2003
[mailto:] caissist ad gmx.net

My adventures with the Blackmar-Diemer Gambit...

Dave Regis 0 - 1 Unes Hassim
My first game did not proceed quite the way it goes in the Books. White's attack doesn't get started and the counterattack was rapid and lethal.

BDG Vienna Defence

1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 Bf5
Black aims to pick up the Pe4 without developing the Ng1.

5.fxe4
[5.g4!? I tried in my other match with this defence. Several of the games rapidly slid out of the gambit accepted (which surprised me, as this must be the real test of the line) so I played the text move which turns the game back into a gambit again!]

5...Nxe4 6.Qf3 Nxc3 7.bxc3 Qc8 8.Bc4
[8.Bd3! 1-0 Leisebein P. - Kneipp G DDR/M/927 1989 (20 moves) "very good for White" - Theo. Hommeles.;
8.Rb1 1 - 0 Dahlen - Alfredson Stockholm 1963 (16);
8.Ba3 1/2 - 1/2 Evers,L - Cramling,Pia Essen - Simultanveranstaltung (+24,=6,-5) 1987 (55);
8.Bb5+ 1/2 - 1/2 Cody P - Burk D corr ESMT 1988/9 (01) 1989 (25)]

8...e6
[8...c6 1 - 0 Zechiel David - Brodersen BF corr Golden Knights SFs 1982 (41);
8...g6 1 - 0 Schmidt H - Wolfram R corres-GT 118 1983 (19);
8...Bg6 1 - 0 Peilen M - Koons C ESMT prelim 1988 (21)]

9.Nh3
[9.Ne2!? untested 9...Be7 (9...c6 10.O-O Nd7 11.h4 Nb6? 12.Bd3+/- Lane 12...Qd7 13.Bxf5 exf5 14.Qxf5 Qxf5 15.Rxf5 Bd6=) 10.Ng3 Bxc2 (10...Bg6);
9.Rb1 As played by Diemer himself in two short wins e.g. 1 - 0 Diemer Emil - Stehle Schwenningen 1937 (18). It seemed to me the Rook would be better placed immediately on the King's-side without exposing itself to later discomfort after ...Bxc2, but what do I know.;
9.g4 0 - 1 Laengl - Varga Z Nürnberg (3-6) 1989 (28)]

9...Bd6
[9...Nd7 1 - 0 Sammet - Bachmann Biel cc 1952 (24);
9...Be7 1/2 - 1/2 Völker James - Echert Doug Crestwood March Rapids 1992 (32) 10.Qg3]

10.O-O
[10.g4 Bxc2 (10...Bg6 11.Ng5 h6) 11.O-O O-O 12.Ng5 Bg6 13.d5 e5]

10...O-O
[Now this next one was encouraging: 10...Nd7 11.Ng5 O-O (11...h6? 12.Nxf7) 12.g4 Bg6 13.h4 Nf6 14.h5 Bxc2 15.h6 Be7 16.hxg7 Kxg7 17.Bd3 Bxd3 18.Qxd3 Rh8 19.Qf3 Qg8 20.Ba3 Nd5 21.Bxe7 Nxe7 22.Nxe6+ 1-0 Diemer Emil - Synave H SMX Ghent 1956: after Ng5 White's position looked great!]

CRITICAL POSITION: White needs to come up with an attacking plan.

11.Ng5?!
In this position, rather an aimless swing. Playing by analogy is OK but notice the differences.
[11.g4!? Bxc2 (11...Bg6);
11.d5!? c6! 12.Ng5 cxd5 13.Bxd5 Bxc2 (13...Bg6);

11.Nf4?! Bxc2 12.Nh5]

11...h6! 12.g4 Bg6
[12...Bxc2?! rather invites 13.Nxf7;
the apparently awkward defence 13...Bg6 fails to 14.Nxd6 cxd6 15.Bxe6+ Qxe6 16.Qxf8+ Kh7;
12...hxg5? 13.gxf5 exf5 (13...e5 14.f6 g4 15.Qe3) 14.Qxf5 Qxf5 15.Rxf5]
I played the obvious reply without much thought:

13.Ne4

Now I think this is rather good for Black; the Knight is almost in the way here.

13...Nd7 14.h4 Nb6
Best, I thought. In fact I had the dubious merit of predicting almost all of my opponent's remaining moves, without seeming to break out of the spell!
[14...f5 15.Bxe6+; 14...Kh8; 14...Bxe4 15.Qxe4]

15.Bd3?!
I realised Black's reply would be very strong here but I didn't know what else to play!
[15.Bb3 a5 16.a4 Be7 (16...Bxe4 17.Qxe4 c5 may be awkward) 17.g5 looks unconvincing]

15...f5!
[15...e5 16.h5]

16.Nxd6
[16.gxf5 looked the right one to analyse first. I became discouraged after 16...Bxf5! and Black should be able to cover everything. (17.Rb1; 17.h5; 17.Qg2 Kh8 18.Be3 Qd8)]

16...cxd6 17.Bd2
[17.Ba3? Qxc3 18.Bxd6?? Qxd4+;
17.h5? Qxc3]

17...Nc4! 18.Bxc4
[18.Rad1 Nxd2 19.Rxd2 Qxc3]

18...Qxc4 19.h5
[19.Qxb7 fxg4 20.Qe7 leaves Black completely in control.]

19...Be8 20.g5
[20.gxf5 Bc6]

20...hxg5 21.Bxg5 Rc8

White is still down by his gambit Pawn and the counterattack is starting to boil over. Black always has ...Bc6 available.

22.Rae1
[22.Be7 Rf7 23.Bxd6 Qxc3; 22.Bf4]

22...Qxc3
[22...Qxa2; or 22...Bc6 23.Qg3 Qd5 24.h6 Qh1+ 25.Kf2-+]

23.Rxe6 Hoping for a blunder more than anything else
[23.Qxc3 If White heads immediately for the exchange of Queens 23...Rxc3 24.Be7 Rf7 25.Bxd6 Rxc2 26.Rf2 Rxf2 27.Kxf2 Bd7 he soon runs out of counterplay]

23...Qxd4+!
[But if Black goes for the endgame 23...Qxf3 24.Rxf3 Bxh5 25.Ra3 a6 26.Rxd6 White may be escaping]

24.Be3 Qh4 25.Rxd6
[25.h6 Rxc2; 25.Rf2?? Bc6]

25...Rc4 Black is taking over. Everything wins...
[25...Rxc2; 25...Bxh5]

26.Bf4 Bc6 0-1

Lessons:
play with a plan: plausible or visually appealing moves are not good enough, OTB or CC
Playing by analogy is OK but notice the differences.
you can accept a gambit Pawn and win

Dave Regis

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