Author: Dann Corbit
Date: 22:29:07 03/06/06
Go up one level in this thread
On March 06, 2006 at 22:43:29, Dann Corbit wrote:
>Here are the three problems missed, analyzed by Rybka at 300 seconds:
>Analysis from E:\3probs.epd
>3/6/2006 7:19:16 PM Level: 300 Seconds
>Analyzing engine: Rybka v1.01 Preview 2.w32
>
>1) Ng4+; id "WAC.086";
> Searching move: Nf6-g4
> Best move (Rybka v1.01 Preview 2.w32): Nf6-g4
> identical moves! Found in: 00:20
> 3 00:01 22.829 74.448 +0.25 c6c5
> 3 00:01 29.634 74.558 +0.26 a7a5
> 4 00:01 33.695 75.999 +0.37 a7a5
> 5 00:01 34.682 78.225 +0.30 a7a5 h2h3
> 5 00:01 38.659 81.454 +0.39 c6c5 Ke3d3
> 6 00:01 9.354 16.983 +0.35 c6c5 Ke3d3 a7a6
> 7 00:01 19.799 32.386 +0.33 c6c5 Ke3d3 Kd6d7 Kd3e2
> 8 00:01 34.204 48.645 +0.31 c6c5 Ke3d3 Kd6d7 Kd3e2 Kd7e7 d4xc5
> 9 00:01 64.089 74.916 +0.34 c6c5 Ke3d3 Kd6d7 Kd3e2 Kd7e7 Ke2f3
> 10 00:02 173.121 124.578 +0.19 c6c5 Ke3f3 Nf6g4 Nf2xg4 h5xg4+ Kf3e2
>Kd6e6 Ke2e3
> 10 00:02 203.261 134.456 +0.20 a7a5 Ke3f3 Nf6g4 Nf2xg4 h5xg4+ Kf3e3
>Kd6e6 Ke3d3
> 10 00:02 239.341 142.491 +0.38 a7a6 Ke3f3 b6b5 c4xb5 c6xb5 a4xb5 a6xb5
>Kf3e3 Kd6e6 Ke3d3
> 11 00:02 291.189 152.598 +0.30 a7a6 Ke3d3 Kd6e6 Kd3e3 Ke6d7 h2h3 Kd7e6
>Ke3f3
> 12 00:03 442.313 172.478 +0.32 a7a6 Ke3d3 b6b5 c4xb5 c6xb5 a4xb5 a6xb5
>Kd3e3 Kd6e6 Ke3d2 f5f4 g3xf4
> 13 00:03 564.171 181.157 +0.29 a7a6 Ke3d3 b6b5 c4xb5 c6xb5 a4xb5 a6xb5
>Kd3e3 Kd6e6 Ke3d2 f5f4 g3xf4 g5xf4 Kd2e2
> 14 00:05 857.345 196.402 +0.28 a7a6 Ke3d3 b6b5 c4xb5 c6xb5 a4xb5 a6xb5
>Kd3e3 Nf6g4+ Nf2xg4 h5xg4 Ke3d3 Kd6d5 Kd3e3
> 15 00:08 1.494.827 209.742 +0.32 a7a6 Ke3d3 b6b5 c4xb5 c6xb5 a4xb5 a6xb5
>Kd3e2 Kd6e6 Ke2d3 Nf6g4 Nf2xg4 h5xg4 Kd3e2
> 16 00:12 2.446.813 217.853 +0.32 a7a6 Ke3d3 b6b5 c4xb5 c6xb5 a4xb5 a6xb5
>Nf2h3 Nf6e4 Kd3e3 Kd6d5 Ke3d3 Kd5e6 Kd3e3
> 16 00:20 4.331.680 224.578 +1.50 Nf6g4+ Nf2xg4 h5xg4 Ke3d3 a7a6 Kd3e3
>a6a5 Ke3d3 f5f4 g3xf4 g5xf4 c4c5+ b6xc5 Kd3e4
> 17 00:27 5.888.670 226.470 +1.55 Nf6g4+ Nf2xg4 h5xg4 Ke3d3 a7a6 Kd3e3
>a6a5 Ke3d3 f5f4 g3xf4 g5xf4 c4c5+ b6xc5 Kd3e4
> 18 01:01 13.816.748 233.671 +1.54 Nf6g4+ Ke3e2 Ng4xh2 Nf2h3 h5h4 g3xh4
>g5xh4 Nh3g5 a7a5 Ng5f7+ Kd6c7 Nf7g5 Kc7d7 Ke2e3
> 19 01:13 16.755.299 235.837 +1.52 Nf6g4+ Ke3e2 Ng4xh2 Nf2h3 h5h4 g3xh4
>g5xh4 Nh3g5 a7a5 Ng5f7+ Kd6c7 Nf7g5 Nh2g4 Ke2f3
> 20 01:37 22.165.586 235.701 +1.56 Nf6g4+ Ke3e2 Ng4xh2 Nf2h3 h5h4 g3xh4
>g5xh4 Nh3g5 Nh2g4 Ke2f3 c6c5 Kf3f4 Ng4f2 Ng5f7+
> 21 02:12 30.199.595 234.828 +1.58 Nf6g4+ Ke3e2 Ng4xh2 Nf2h3 h5h4 g3xh4
>g5xh4 Nh3g5 Nh2g4 Ke2f3 c6c5 Kf3f4 Ng4f2 Ng5f7+
> 22 04:48 65.628.209 233.648 +1.87 Nf6g4+ Ke3e2 Ng4xh2 Nf2h3 h5h4 g3xh4
>g5xh4 Ke2f2 Nh2g4+ Kf2f3 Kd6e6 Nh3f4+ Ke6f6 Kf3e2
> 3/6/2006 7:24:22 PM, Time for this analysis: 00:05:00, Rated time: 00:20
>
>2) Bf6; id "WAC.222";
> Searching move: Bh4-f6
> Best move (Rybka v1.01 Preview 2.w32): Bh4-f6
> identical moves! Found in: 00:09
> 3 00:00 2.078 132.992 +0.48 b2xa3
> 4 00:00 4.308 137.856 +0.57 b2xa3
> 5 00:01 7.465 121.335 +0.42 b2xa3 Ba2b3
> 6 00:01 13.266 123.494 +0.50 b2xa3 Ba2b3 Rd1b1
> 7 00:01 23.645 128.789 +0.38 b2xa3 Ba2b3 Rd1d2 Bb3d5
> 8 00:01 47.310 140.421 +0.36 b2xa3 Ba2b3 Rd1b1 c5c4 Qg4f3
> 9 00:01 107.373 146.404 +0.23 b2xa3 Ba2b3 Rd1c1 Bb3d5 Rc1e1 Qb7b2
> 9 00:09 1.620.798 198.149 +M10 Bh4f6 g7xf6 e5xf6 Qb7e4 Qg4g7+
> 10 00:09 1.627.007 197.798 +M10 Bh4f6 g7xf6 e5xf6 Qb7e4 Qg4g7+
> 11 00:09 1.642.282 197.104 +M10 Bh4f6 g7xf6 e5xf6 Qb7e4 Qg4g7+
> 12 00:09 1.684.259 196.388 +M10 Bh4f6 g7xf6 e5xf6 Qb7e4 Qg4g7+
> 13 00:10 1.878.913 195.747 +M10 Bh4f6 g7xf6 e5xf6 Qb7e4 Qg4g7+
> 3/6/2006 7:29:24 PM, Time for this analysis: 00:05:00, Rated time: 00:29
>
>3) Rb4; id "WAC.230";
> Searching move: Rb7-b4
> Best move (Rybka v1.01 Preview 2.w32): Rb7-h7
> Not found in: 05:00
> 3 00:01 229 234.496 +3.62 Rb7f7
> 4 00:01 306 313.344 +3.27 Rb7f7
> 4 00:01 398 407.552 +3.32 a5a4
> 5 00:01 836 856.064 +3.38 a5a4 Kg3f4
> 5 00:01 1.258 1.288.192 +3.64 Rb7f7 f2f4
> 6 00:01 1.881 1.926.144 +3.42 Rb7f7 f2f4 a5a4
> 6 00:01 2.225 2.278.400 +3.44 a5a4 Kg3f4 Rb7h7
> 7 00:01 4.231 270.784 +3.54 a5a4 Kg3f4 Rb7h7 Kf4e3
> 8 00:01 5.387 344.768 +3.60 a5a4 Kg3f4 Rb7h7 Kf4e3 Kc6b5
> 9 00:01 15.207 197.113 +3.75 a5a4 Kg3f4 Rb7h7 Bd6b4 Kc6b5 Rb2b1
> 10 00:01 23.186 215.840 +3.75 a5a4 Kg3f4 Rb7h7 Bd6b4 Kc6b5 Kf4e3
>Rh7h5
> 10 00:01 32.260 210.409 +3.79 Rb7h7 Kg3f4 Rh7h3 f2f3 a5a4 Kf4e3 Rh3h1
> 11 00:01 40.939 190.552 +3.80 Rb7h7 Kg3f4 Rh7h3 f2f3 a5a4 Kf4e3 Rh3h1
>Ke3d2
> 12 00:01 108.048 185.951 +3.85 Rb7h7 Rb2b1 a5a4 Kg3f4 Kc6b5 Bd6c5
>Rh7h3 Bc5b4 Bc8b7
> 13 00:02 166.406 172.994 +3.87 Rb7h7 Rb2b1 a5a4 Kg3f4 Kc6b5 Bd6b4
>Bc8b7 Bb4a3 Rh7h3 Ba3b4
> 14 00:02 238.503 169.838 +3.87 Rb7h7 Rb2b1 a5a4 Bd6a3 Kc6b5 Kg3f4
>Bc8b7 Ba3b4 Rh7h3 Rb1b2 Rh3h1 Kf4e3
> 15 00:03 354.022 165.684 +3.87 Rb7h7 Rb2b1 a5a4 Bd6a3 Kc6b5 Kg3f4
>Bc8b7 Ba3b4 Rh7h3 Rb1b2 Rh3h1 Kf4e3
> 16 00:07 924.024 142.136 +3.91 Rb7h7 Rb2b1 Kc6b5 Bd6c5 Rh7h5 Bc5e7
>a5a4 Rb1g1 Bc8b7 Rg1b1 Rh5h7 Be7a3 Rh7h5 Kg3f4
> 17 00:09 1.224.598 150.556 +3.91 Rb7h7 Rb2b1 Kc6b5 Bd6c5 Rh7h5 Bc5e7
>a5a4 Kg3f4 Rh5h3 Be7b4 Bc8a6 Rb1b2 Ba6b7 f2f3
> 18 00:14 2.116.489 164.724 +3.91 Rb7h7 Rb2b1 Kc6b5 Bd6c5 Rh7h5 Bc5e7
>Bc8a6 Kg3g4 a5a4 Kg4f4 Rh5h4+ Kf4g3 Rh4h7 Be7d6
> 19 00:19 3.043.737 173.299 +3.91 Rb7h7 Rb2b1 Kc6b5 Bd6c5 Rh7h5 Bc5e7
>Bc8a6 Kg3g4 a5a4 Kg4f4 Rh5h4+ Kf4g3 Rh4h7 Be7d6
> 20 00:31 5.100.149 173.992 +3.91 Rb7h7 Rb2b1 Kc6b5 Bd6c5 Rh7h5 Bc5e7
>Bc8a6 Kg3g4 Ba6b7 Be7d6 Rh5h7 Bd6a3 a5a4 Ba3b4
> 21 00:55 9.175.055 172.535 +3.91 Rb7h7 Rb2b1 Kc6b5 Bd6c5 Rh7h5 Bc5e7
>Bc8a6 Kg3g4 Ba6b7 Be7d6 Rh5h7 Bd6a3 Rh7h5 Rb1d1
> 22 02:37 28.189.302 184.611 +3.89 Rb7h7 Rb2b1 a5a4 Bd6b4 Rh7h5 Kg3g4
>Kc6b5 Rb1g1 Bc8b7 Rg1b1 Rh5h2 Kg4f3 Rh2h4 Rb1d1
> 3/6/2006 7:34:26 PM, Time for this analysis: 00:05:01, Rated time: 05:29
>
>2 of 3 matching moves
>3/6/2006 7:34:27 PM, Total time: 12:15:11 AM
>Rated time: 05:29 = 329 Seconds
Here is crafty analysis, showing the correct solution to WAC.230:
E:\programme\winboard\Crafty>crafty-2000
EPD Kit revision date: 1996.04.21
found computer opening book file [./bookc.bin].
ERROR "krafty fischer " is unknown rc-file option
hash table memory = 96M bytes.
pawn hash table memory = 12M bytes.
EGTB cache memory = 8M bytes.
draw score set to 0.00 pawns.
choose from book moves randomly (using weights.)
choose from 5 best moves.
book learning enabled
result learning enabled
position learning enabled
resign after 5 consecutive moves with score < -9.
5 piece tablebase files found
13980kb of RAM used for TB indices and decompression tables
Crafty v20.0
White(1): st 999
search time set to 999.00.
White(1): epdpfga wac230.epd wac230.out
PFGA: EPD record: 1 ID: WAC.230
time surplus 0.00 time limit 16:39 (16:39)
depth time score variation (1)
11 0.89 -1.74 1. ... Rh7 2. Rb1 Kb5 3. Ba3 Rf7 4.
Rb2 Rf5 5. Kg4 Ka4 6. Bc5 Kb5 <HT>
11-> 0.93 -1.74 1. ... Rh7 2. Rb1 Kb5 3. Ba3 Rf7 4.
Rb2 Rf5 5. Kg4 Ka4 6. Bc5 Kb5 <HT>
12 1.05 +1 1. ... Rh7
12 1.29 0.00 1. ... Rh7 2. Rb1 Kb5 3. Ba3 Rf7 4.
Ra1 Ka4 5. Bb2+ Kb5 6. Ba3
12 2.30 -1.70 1. ... Rb4 2. cxb4 a4 3. Rb1 c3 4.
Rc1 b2 5. Rxc3+ Kd7 6. Rc7+ Kd8 7.
Ra7 b1=Q 8. Rxa4
12-> 2.41 -1.70 1. ... Rb4 2. cxb4 a4 3. Rb1 c3 4.
Rc1 b2 5. Rxc3+ Kd7 6. Rc7+ Kd8 7.
Ra7 b1=Q 8. Rxa4
13 3.72 -1 1. ... Rb4!!
13 4.68 -2.26 1. ... Rb4 2. cxb4 a4 3. f3 c3 4. b5+
Kxb5 5. Rb1 c2 6. Rc1 Kc4 7. Bc5 Kc3
8. Rxc2+ Kxc2
13-> 5.16 -2.26 1. ... Rb4 2. cxb4 a4 3. f3 c3 4. b5+
Kxb5 5. Rb1 c2 6. Rc1 Kc4 7. Bc5 Kc3
8. Rxc2+ Kxc2
14 5.72 +1 1. ... Rb4
14 7.32 -1.84 1. ... Rb4 2. cxb4 a4 3. Rb1 Kb5 4.
Ra1 c3 5. Rb1 c2 6. Rc1 a3 7. Kf4 a2
8. Rxc2 bxc2 <HT>
14-> 9.43 -1.84 1. ... Rb4 2. cxb4 a4 3. Rb1 Kb5 4.
Ra1 c3 5. Rb1 c2 6. Rc1 a3 7. Kf4 a2
8. Rxc2 bxc2 <HT>
15 12.80 -1 1. ... Rb4!!
15 16.69 -2.32 1. ... Rb4 2. cxb4 a4 3. b5+ Kxb5 4.
Rc2 bxc2 5. Ba3 c3 6. Kf4 Kc4 7. Ke3
c1=Q+ 8. Bxc1 Kb3 9. Kf4 a3
15-> 19.36 -2.32 1. ... Rb4 2. cxb4 a4 3. b5+ Kxb5 4.
Rc2 bxc2 5. Ba3 c3 6. Kf4 Kc4 7. Ke3
c1=Q+ 8. Bxc1 Kb3 9. Kf4 a3
16 24.86 -2.27 1. ... Rb4 2. cxb4 a4 3. b5+ Kxb5 4.
Rc2 bxc2 5. Ba3 c3 6. Kf4 Kc4 7. Ke3
c1=Q+ 8. Bxc1 Kb3 9. Kf4 a3 10. Be3
16-> 34.49 -2.27 1. ... Rb4 2. cxb4 a4 3. b5+ Kxb5 4.
Rc2 bxc2 5. Ba3 c3 6. Kf4 Kc4 7. Ke3
c1=Q+ 8. Bxc1 Kb3 9. Kf4 a3 10. Be3
17 49.89 -2.34 1. ... Rb4 2. cxb4 a4 3. b5+ Kxb5 4.
Rc2 bxc2 5. Ba3 c3 6. Kf4 Kc4 7. Ke3
c1=Q+ 8. Bxc1 Kb3 9. Kf4 a3 10. Be3
Bd7
17-> 1:07 -2.34 1. ... Rb4 2. cxb4 a4 3. b5+ Kxb5 4.
Rc2 bxc2 5. Ba3 c3 6. Kf4 Kc4 7. Ke3
c1=Q+ 8. Bxc1 Kb3 9. Kf4 a3 10. Be3
Bd7
18 3:07 -1 1. ... Rb4!!
18 5:01 -2.62 1. ... Rb4 2. Rb1 Ra4 3. Rc1 Ra2 4.
Kf3 Bb7 5. Bc5 a4 6. Rb1 Rc2 7. Bb4
Kb5 8. Ke3 a3 9. Bxa3 Rxc3+ 10. Kf4
Rc2
18-> 6:02 -2.62 1. ... Rb4 2. Rb1 Ra4 3. Rc1 Ra2 4.
Kf3 Bb7 5. Bc5 a4 6. Rb1 Rc2 7. Bb4
Kb5 8. Ke3 a3 9. Bxa3 Rxc3+ 10. Kf4
Rc2
19 8:45 -1 1. ... Rb4!!
19 10:30 -2.68 1. ... Rb4 2. Rb1 Ra4 3. Kf3 Ra2 4.
Rc1 Kb5 5. Ke3 Ka6 6. Bc5 a4 7. Rb1
Rc2 8. Bb4 Kb5 9. Rh1 b2 10. Rb1 Bb7
19-> 13:09 -2.68 1. ... Rb4 2. Rb1 Ra4 3. Kf3 Ra2 4.
Rc1 Kb5 5. Ke3 Ka6 6. Bc5 a4 7. Rb1
Rc2 8. Bb4 Kb5 9. Rh1 b2 10. Rb1 Bb7
time=16:39 mat=-1 n=1073197474 fh=88% nps=1.07M
ext-> chk=37815245 cap=1047830 1rep=1473687 mate=45363
predicted=0 nodes=1073197474 evals=432343547 50move=0
endgame tablebase-> probes=0 hits=0
Even more amazing would be the program which also finds Alec Szabo's brilliant
refutation.
[D]2b5/8/4p1p1/1k1pP1P1/p2P4/Bpp3K1/1R3P2/8 w - - bm Re2; id "WAC.230 after Rb4
cxb4 a4 b5+ Kxb5 Ba3 c3"; c0 "possibly drawish";
This page took 0.01 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
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