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Subject: Re: Dutch Open CCC Leiden - 1st weekend summary

Author: Richard Pijl

Date: 01:13:44 10/18/04

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The first weekend of the Dutch Open had its up and downs for the Baron. After
the first day, with 1 draw and two losses I was quite unhappy. The loss against
Chess Tiger wasn't the worst one. Although the Baron got a drawish position
after leaving the book, the Tiger showed how the ending should have been played
and won. The Baron didn't have a clue this time. Unfortunately, the next round
another drawish endgame emerged when leaving the book, and Goldbar did hold the
draw. In fact, in the end the Baron had to make a perpetual to save the game. I
_really_ still have a lot to do in the endgame evaluation!
After two drawish booklines, the third game against Tao was an interesting one.
Bas created a fun-book that only seemed to contain off-beat openings. Against
the Baron Tao played 1.c3 and was out of book after Baron's reply 1..d5. In that
game The Baron reached a very nice position, and would probably have won if it
would have played the logical 28..Nd3.
[D] r6r/3qb1k1/p3pp1p/4n1p1/2pNb3/2P5/P2BBPPP/2R1QRK1 b - -
Instead, the Baron played 28..Bd5 first, giving Tao the chance to open up the
position, giving the decisive blow with the nice 35.Rxb7 and 36.Nxg5, a rook
sac.
[D] r5k1/1b1qb3/p3Np2/6p1/2P4r/3p4/P2B2PP/1R2QRK1 w - -
Btw, the Baron finds this sac too, but didn't search deep enough a ply earlier
to prevent it.
The Game:
[Event "24th DOCC"]
[Site "Leiden Ned"]
[Date "2004.10.16"]
[Round "03"]
[White "Tao"]
[Black "The Baron"]
[Result "1-0"]

1.c3 d5 2.d4 Nf6 3.Nf3 Bf5 4.Qb3 b6 5.Ne5 e6 6.Bg5 Be7 7.e4 Bxe4 8.Bb5+ Kf8
9.O-O a6 10.Qa4 h6 11.Be3 Qc8 12.Nd2 Bf5 13.Ndf3 Ne4 14.Be2 f6
15.Nd3 g5 16.Rac1 c5 17.dxc5 bxc5 18.Nd2 Nxd2 19.Bxd2 Nd7 20.Qa5 c4
21.Nb4 Qc5 22.Qa4 Qb5 23.Qd1 Ne5 24.b3 Kg7 25.Nc2 Qd7 26.bxc4 dxc4
27.Nd4 Be4 28.Qe1 Bd5 29.f4 Nd3 30.Bxd3 cxd3 31.fxg5 hxg5 32.c4 Bb7
33.Nxe6+ Kg8 34.Rb1 Rh4 35.Rxb7 Qxb7 36.Nxg5 Bc5+ 37.Kh1 fxg5
38.Qe6+ Kh8 39.Qe5+ Qg7 40.Qxc5 Re8 41.Bxg5 Rhe4 42.Bd2 Re2 43.Qh5+ Kg8
44.Qd5+ Kh8 45.Rg1 Qg6 46.Bc3+ Kh7 47.Qd7+ Kg8 48.c5 R8e7 49.Qc8+ Re8
50.Qh3 R2e3 51.Qh8+ Kf7 52.Rf1+ Ke7 53.Qd4 Re2 54.Qd5 Rg8 55.Qb7+ Ke8
56.Rg1 Qf5 57.c6 Qd5 58.Qb8+ Ke7 59.Bb4+ Kf6 60.Rf1+ Kg6 61.Qg3+ Kh5
62.Qh3+ Kg5 63.Bf8 Qe6 64.Qh7 Rxf8 65.h4+ Kg4 66.Qg7+ 1-0

On Sunday it went totally different. First Kallisto II (1.d4 Nc6 2.Nf3) and
Xinix (1.d4 b6 2.Nf3) were out of book after 1 move, and both games were won by
the Baron (long positional manoevring against Kallisto, and taking advantage of
Xinix' apparent evaluation bugs). The third game that day was a long bookline in
the Marshall-attack against Isichess. In the position below IsiChess took the
Baron out of book with 24.Bg5.
[D] 4rrk1/6pp/p1pb2q1/3P4/4N3/1B3bP1/PPQ4P/R1B1R1K1 w - -
According to the few games I could find on Chesslab.com, the proper continuation
would be 24.dxc6 Kh8 25.Bd5 (1 game won by white, 1 draw). But according to the
Baron's evaluation after these moves:
 12(29)&   4:07.72  76840769   +2.07  Bd6xg3 h2xg3 Re8xe4 Bc1-f4 Re4xe1
                                      Ra1xe1 Qg6xc2 Bd5xf3 Qc2xb2 c6-c7 Rf8-c8
                                      Re1-d1 Qb2-b6 Kg1-g2 Rc8xc7 (Bf4xc7)it may
have been best to try an alternative ...

[Event "24th DOCC"]
[Site "Leiden Ned"]
[Date "2004.10.17"]
[Round "06"]
[White "IsiChess MMX"]
[Black "The Baron"]
[Result "0-1"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.g3 Bd6 13.Re1 Qd7 14.d3 Qh3
15.Re4 Qf5 16.Nd2 Qg6 17.Re1 f5 18.c4 f4 19.Ne4 fxg3 20.fxg3 Bg4
21.Qc2 bxc4 22.dxc4 Rae8 23.cxd5 Bf3 24.Bg5 Bxe4 25.Rxe4 Rxe4 26.dxc6+ Kh8
27.Rf1 Rxf1+ 28.Kxf1 Qe8 29.Qd3 Re1+ 30.Kg2 Re2+ 31.Kf3 Rxh2
32.Qc4 Qh5+ 33.Ke4 Re2+ 34.Kd4 Re8 35.Bf4 Be5+ 36.Kd3 Rd8+ 37.Ke3 Bxf4+
38.gxf4 Qh3+ 39.Ke4 Qg2+ 40.Ke5 Qd2 41.Kf5 Rf8+ 0-1

Next is Diep on its monster quad. I'm hoping for another Sunday next Saturday
...
Richard.



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