Author: Robert Hyatt
Date: 20:28:02 11/06/99
Go up one level in this thread
On November 06, 1999 at 03:31:41, Howard Exner wrote:
>Here are some positions to try out on your programs from the first
>half of the recent Dutch Computer Chess Championships.
>
>8/6p1/7p/1pn1k3/p5P1/2P2P2/1PK3N1/8 b - - bm Ne6; id Chessica - McTobber99;
>
>The old guideline that Knight/pawn endings have similar themes to pawn endings
>applies here.
> g5 was played which ruins a possible g6, h5 outside passer idea. Instead, Ne6
>follwed up by Nf4
>and the h pawn passer idea would probably have won.
All I see here is g6 with the idea of making an outside passer:
11-> 0.23 0.50 1. ... g6 2. Kd2 h5 3. Ke3 Kf6 4. gxh5
gxh5 5. f4 Ke6 <HT>
12 0.23 0.50 1. ... g6 2. Kd2 h5 3. Ke3 Kf6 4. gxh5
gxh5 5. f4 Ke6 <HT>
12-> 0.49 0.50 1. ... g6 2. Kd2 h5 3. Ke3 Kf6 4. gxh5
gxh5 5. f4 Ke6 <HT>
13 0.49 0.50 1. ... g6 2. Kd2 h5 3. Ke3 Kf6 4. gxh5
gxh5 5. f4 Ke6 <HT>
13-> 1.42 0.50 1. ... g6 2. Kd2 h5 3. Ke3 Kf6 4. gxh5
gxh5 5. f4 Ke6 <HT>
14 1.42 0.50 1. ... g6 2. Kd2 h5 3. Ke3 Kf6 4. gxh5
gxh5 5. f4 Ke6 <HT>
14-> 9.14 0.50 1. ... g6 2. Kd2 h5 3. Ke3 Kf6 4. gxh5
gxh5 5. f4 Ke6 6. Nh4 <HT>
>
>rnb1kb1r/pp1ppp1p/1q4p1/2pPP2n/8/2N2N2/PPQB1PPP/R3KB1R w KQkq - bm d5d6; id
>Insomniac - Morphy3.1;
>
>d6! ended the game quickly. I wonder if this was in book or just a nicely
>searched out move by Insomniac?
could be a search:
11 2:43 0.90 1. d6 e6 2. g4 Ng7 3. Ne4 Nc6 4. Nxc5
Nb4 5. Qc4 Qc6 6. Bg2
11-> 2:43 0.90 1. d6 e6 2. g4 Ng7 3. Ne4 Nc6 4. Nxc5
Nb4 5. Qc4 Qc6 6. Bg2
12 3:05 0.85 1. d6 e6 2. Na4 Qc6 3. Qxc5 Qxc5 4.
Nxc5 b6 5. Ne4 Bg7 6. Bc4 O-O 7. O-O
>
>8/8/8/R3N3/4r1pk/2K5/8/7b w - - bm e5g4; id McTobber99 - Diep;
>
>Here white missed the draw with Nxg4.
yep:
nss depth time score variation (1)
(2) 12-> 2.67 0.00 1. Nxg4 Rxg4 <EGTB>
13 3.17 0.00 1. Nxg4 Rxg4 <EGTB>
(2) 13-> 3.90 0.00 1. Nxg4 Rxg4 <EGTB>
14 4.41 0.00 1. Nxg4 Rxg4 <EGTB>
(3) 14-> 7.38 0.00 1. Nxg4 Rxg4 <EGTB>
(2) 15 8.00 0.00 1. Nxg4 Rxg4 <EGTB>
(3) 15-> 13.38 0.00 1. Nxg4 Rxg4 <EGTB>
(2) 16 14.31 0.00 1. Nxg4 Rxg4 <EGTB>
>
>8/p7/8/1b5B/3k4/4p3/P7/4K3 w - - bm h5e2; id Nimzo 732 - The King;
>
Be2 is the only move I get, but Crafty isn't "happy"...
14-> 16.53 -3.06 1. Be2 Bd7 2. Kd1 Be6 3. a3 Bc4 4.
Ke1 a5 5. Bf3 Bb5 6. Bg4 a4 7. Be2
Bxe2 8. Kxe2
15 27.71 -3.06 1. Be2 Bd7 2. Kd1 Be6 3. a3 Bc4 4.
Ke1 a5 5. Bf3 Bb5 6. Bg4 a4 7. Be2
Bxe2 8. Kxe2 Ke4 <HT>
15-> 29.84 -3.06 1. Be2 Bd7 2. Kd1 Be6 3. a3 Bc4 4.
Ke1 a5 5. Bf3 Bb5 6. Bg4 a4 7. Be2
Bxe2 8. Kxe2 Ke4 <HT>
16 43.07 -3.06 1. Be2 Bd7 2. Kd1 Be6 3. a3 Bc4 4.
Ke1 a5 5. Bf3 Bb5 6. Bg4 a4 7. Bh5
Ke4 8. Be2 Bxe2 9. Kxe2
16-> 47.80 -3.06 1. Be2 Bd7 2. Kd1 Be6 3. a3 Bc4 4.
Ke1 a5 5. Bf3 Bb5 6. Bg4 a4 7. Bh5
Ke4 8. Be2 Bxe2 9. Kxe2
17 1:16 -3.06 1. Be2 Bd7 2. Kd1 Be6 3. a3 Bc4 4.
Ke1 a5 5. Bf3 Bb5 6. Bg4 a4 7. Bh5
Ke4 8. Be2 Bxe2 9. Kxe2 Kd4
17-> 1:19 -3.06 1. Be2 Bd7 2. Kd1 Be6 3. a3 Bc4 4.
Ke1 a5 5. Bf3 Bb5 6. Bg4 a4 7. Bh5
Ke4 8. Be2 Bxe2 9. Kxe2 Kd4
>White makes a nice move setting up a quick draw if black replies Bxe2, which is
>what happened.
>Black should make white fight harder for a draw by keeping the Bishops on.
>
>5r2/R6P/3Nb1p1/2p2k2/2P2Pp1/2K5/8/8 b - - bm f5f4; id Nimzo 732 - Insomniac;
>
>Looks like Kxf4 is a good fighting move, which black missed and eventually lost.
That is the only move I get: not a great score of course:
12 2.06 -1.36 1. ... Kxf4 2. Nf7 Bxf7 3. Rxf7+ Rxf7
4. h8=Q Rf5 5. Kd3 g3 6. Qh4+ Kf3 7.
Qe4+ Kf2 8. Qe2+ Kg1 9. Qe3+ Kg2 10.
Qd2+ Rf2 11. Qe3
12-> 2.16 -1.36 1. ... Kxf4 2. Nf7 Bxf7 3. Rxf7+ Rxf7
4. h8=Q Rf5 5. Kd3 g3 6. Qh4+ Kf3 7.
Qe4+ Kf2 8. Qe2+ Kg1 9. Qe3+ Kg2 10.
Qd2+ Rf2 11. Qe3
13 3.39 -1.55 1. ... Kxf4 2. Nf7 Bxf7 3. Rxf7+ Rxf7
4. h8=Q Rf5 5. Kd3 Rh5 6. Qf8+ Rf5
7. Qh6+ g5 8. Qh1 Kg3 9. Qd5 Rf3+ 10.
Ke4 Rf4+ 11. Ke5 <HT>
13-> 3.59 -1.55 1. ... Kxf4 2. Nf7 Bxf7 3. Rxf7+ Rxf7
4. h8=Q Rf5 5. Kd3 Rh5 6. Qf8+ Rf5
7. Qh6+ g5 8. Qh1 Kg3 9. Qd5 Rf3+ 10.
Ke4 Rf4+ 11. Ke5 <HT>
14 7.98 -1.55 1. ... Kxf4 2. Nf7 Bxf7 3. Rxf7+ Rxf7
4. h8=Q Rf5 5. Kd3 Rh5 6. Qf8+ Rf5
7. Qh6+ g5 8. Qh1 <HT>
(2) 14-> 39.56 -1.55 1. ... Kxf4 2. Nf7 Bxf7 3. Rxf7+ Rxf7
4. h8=Q Rf5 5. Kd3 Rh5 6. Qf8+ Rf5
7. Qh6+ g5 8. Qh1 <HT>
>
>1... Kxf4 2. Nf7 g3 3. h8=Q Rxh8 4. Nxh8 Bf5 5. Rg7 Kg5 6. Re7 g2 7. Re1
>Kf4 now has white having to search for a draw.
>
>1... Kxf4 2. Re7 Rh8 3. Rxe6 Rxh7 is better but still offers black a possible
>draw.
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