Author: Dann Corbit
Date: 20:31:22 07/20/01
Go up one level in this thread
On July 20, 2001 at 22:30:42, K. Burcham wrote:
>
>we all have lots of losses with our programs.
>but this was the first blunder that i have experienced with any program.
>check out 26...Qa7.
>
>this was a 5/5 game.
>time for shredder5 was set on 8 seconds per move.
>i could not get shredder5 to play this move again.
>now it is sober and it wants 26...Qc8.
>must be the fumes off my cheap homemade beer.
>
>i think i will format and reload shredder5.
>and pour out the beer.
>
>
>
>[Event "program blunder"]
>[Site "?"]
>[Date "2001.07.20"]
>[Round "?"]
>[White "gambit tiger 2.0"]
>[Black "shredder 5"]
>[Result "1-0"]
>
>1. d4 {0s} Nf6 {book 0s} 2. Bg5 {7s} Ne4 {book 0s} 3. Bf4
>{6s} c5 {book 0s} 4. f3 {7s} Qa5+ {book 0s} 5. c3 {8s} Nf6
>{book 0s} 6. d5 {7s} Qb6 {book 0s} 7. b3 {7s} g6 {book 0s}
>8. e4 {6s} d6 {-0.68/10 8s} 9. Bd3 {8s} Bg7 {-0.23/11 8s}
>10. Ne2 {7s} Nbd7 {-0.68/10 8s} 11. a4 {20s} O-O {-0.61/10
>8s} 12. Nd2 {43s} Ne5 {-0.79/10 8s} 13. Nc4 {12s} Nxc4
>{-0.41/11 8s} 14. Bxc4 {12s} Nd7 {-0.32/11 8s} 15. a5 {15s}
>Qc7 {-0.33/11 8s} 16. O-O {17s} Ne5 {-0.29/11 8s} 17. Bxe5
>{9s} Bxe5 {-0.23/13 8s} 18. f4 {13s} Bg7 {-0.07/12 8s}
>19. f5 {13s} gxf5 {+0.02/11 8s} 20. exf5 {12s} Bd7
>{+0.03/11 8s} 21. Qd2 {20s} b5 {+0.20/11 8s} 22. axb6 {12s}
>axb6 {+0.08/11 8s} 23. Rxa8 {21s} Rxa8 {+0.22/11 8s}
>24. Ng3 {6s} b5 {-0.15/11 8s} 25. Nh5 {13s} Be5 {-0.47/10
>8s} 26. Qh6 {14s} Qa7 {-7.65/7 8s} 27. f6 {13s} Bxf6
>{-M4/14 8s} 28. Rxf6 {11s} Qa1+ {-M3/15 8s} 29. Bf1 {10s}
>Qxf1+ {-M2/17 8s} 30. Rxf1 {10s} Ra2 {-M1/13 8s} 1-0
>
> [D] r5k1/2qbpp1p/3p3Q/1ppPbP1N/2B5/1PP5/6PP/5RK1 b - - 0 1
Play enough blitz, and you'll see plenty of blunders. The faster the games, the
more commical the moves. Have a look at some of these games, and you will see
plenty of moves that will curl your toes:
ftp://cap.connx.com/pub/The%20Gauntlet/calibration/quick/
It appears that this position has some snags under the surface. It might be
interesting to give it a good long pounding. It appears that Qc8 is also
losing.
Crafty v18.10
White(1): st 240
search time set to 240.00.
White(1): epdpfga err.epd err.out
PFGA: EPD record: 1
middle-game phase
clearing hash tables
time surplus 0.00 time limit 4:00 (4:00)
nss depth time score variation (1)
6-> 0.20 -3.16 1. ... bxc4 2. f6 Bxf6 3. Rxf6 Ra1+
4. Rf1 Rxf1+ 5. Kxf1 cxb3
7 0.34 -- 1. ... bxc4
7 0.51 Mat05 1. ... bxc4 2. f6 Bxf6 3. Rxf6 Ra1+
4. Rf1 Rxf1+ 5. Kxf1 cxb3 6. Qg7#
7 0.61 ++ 1. ... Kh8!!
7 1.58 6.91 1. ... Kh8 2. f6 Bxf6 3. Nxf6 Bf5 4.
Rxf5 Ra1+ 5. Bf1 Rxf1+ 6. Kxf1 exf6
7 1.70 ++ 1. ... Ra2!!
7 2.50 6.34 1. ... Ra2 2. f6 Bxf6 3. Bd3 Bf5 4.
Bxf5 Rb2 5. Bxh7+ Kh8 6. Bf5+ Kg8
7 2.56 ++ 1. ... Qb7!!
7 3.12 5.79 1. ... Qb7 2. f6 Bxf6 3. Bd3 Bf5 4.
Bxf5 Bxc3 5. Bxh7+ Kh8 6. Rxf7 Qxd5
7 3.17 ++ 1. ... Ra3!!
7 3.80 1.41 1. ... Qd8 2. f6 Qf8 3. Qg5+ Kh8 4.
fxe7 Qg8 5. Qxg8+ Kxg8 6. Bd3 Bxc3
7 5.54 ++ 1. ... Bh8!!
7-> 6.01 1.02 1. ... Bh8
8 6.08 -- 1. ... Bh8
8 6.41 2.17 1. ... Bh8 2. Qg5+ Kf8 3. f6 Bc8 4.
Bxb5 exf6 5. Nxf6 Bxf6 6. Rxf6 Ra2
8 6.90 ++ 1. ... Qd8!!
8 7.24 1.38 1. ... Qd8 2. f6 Qf8 3. Qg5+ Kh8 4.
fxe7 Qe8 5. Bd3 Bxc3 6. Be4 Ra2
8-> 9.50 1.38 1. ... Qd8 2. f6 Qf8 3. Qg5+ Kh8 4.
fxe7 Qe8 5. Bd3 Bxc3 6. Be4 Ra2
9 10.05 1.28 1. ... Qd8 2. f6 Qf8 3. Qg5+ Kh8 4.
fxe7 Qe8 5. Bd3 Bxc3 6. Kh1 Ra2 7.
Kg1
9-> 13.96 1.28 1. ... Qd8 2. f6 Qf8 3. Qg5+ Kh8 4.
fxe7 Qe8 5. Bd3 Bxc3 6. Kh1 Ra2 7.
Kg1
10 16.10 1.08 1. ... Qd8 2. f6 Qf8 3. Qg5+ Kh8 4.
fxe7 Qg8 5. Qxg8+ Kxg8 6. Bd3 Bxc3
7. Kf2 Ra2+ 8. Kf3 Be8
10-> 21.36 1.08 1. ... Qd8 2. f6 Qf8 3. Qg5+ Kh8 4.
fxe7 Qg8 5. Qxg8+ Kxg8 6. Bd3 Bxc3
7. Kf2 Ra2+ 8. Kf3 Be8
11 25.42 1.04 1. ... Qd8 2. f6 Qf8 3. Qg5+ Kh8 4.
fxe7 Qg8 5. Qxg8+ Kxg8 6. Bd3 Bxc3
7. Rf3 Re8 8. Rg3+ Kh8 9. Bc2
11-> 34.82 1.04 1. ... Qd8 2. f6 Qf8 3. Qg5+ Kh8 4.
fxe7 Qg8 5. Qxg8+ Kxg8 6. Bd3 Bxc3
7. Rf3 Re8 8. Rg3+ Kh8 9. Bc2
12 38.11 -- 1. ... Qd8
time=4:01 cpu=99% mat=0 n=152552398 fh=98% nps=632k
ext-> chk=14341040 cap=348152 pp=370977 1rep=2123692 mate=40954
predicted=0 nodes=152552398 evals=5995335
endgame tablebase-> probes done=0 successful=0
hashing-> trans/ref=34% pawn=15% used=97%
Black(1):
YACE:
DBBOOK101 100000 128 20 ff 251465
Illegal move (garbage at beginning of move): auto_log
hash size wanted 32000000
entries 2666666 size 31999992 size_wanted 32000000 ok 1 tts3 888885
egtb cache size 8388608
5-men endgame table bases found
irepcheck = 0.75
irecapture = 0.75
null_low = 2.50
white ( 1): st 240
white ( 1): test err.ci
title position 1
solution Qa7?
usetime = 239.00, mintime = 239.00 maxtime = 239.00 tl 239.00 ml 0
17 0.002 3.38 1t : b5xc4 [340]
56 0.008 3.38 1. : b5xc4 [340]
211 0.014 3.43 2t : b5xc4 b3xc4 Be5xc3 [340]
524 0.020 3.43 2. : b5xc4 b3xc4 Be5xc3 [340]
3235 0.030 2.93 3--: Be5xc3 Qh6g5+ Kg8f8 Qg5h6+ Bc3g7 [110]
3735 0.033 2.67 3t : b5xc4 Qh6g5+ Kg8h8 b3xc4 [240]
4013 0.038 2.67 3. : b5xc4 Qh6g5+ Kg8h8 b3xc4 [240]
10856 0.060 2.64 4t : b5xc4 b3xc4 Qc7d8 Qh6g5+ Kg8h8 Qg5e3 [240]
19980 0.080 2.64 4. : b5xc4 b3xc4 Qc7d8 Qh6g5+ Kg8h8 Qg5e3 [240]
95097 0.264 2.14 5--: b5xc4 f5f6 Be5xf6 Rf1xf6 Qc7d8 Qh6g5+ Kg8h8 [110]
111959 0.319 -0.96 5t : b5xc4 f5f6 Be5xf6 Rf1xf6 Ra8a1+ Kg1f2 Ra1a2+
Kf2f3 Bd7g4+ Kf3xg4 c4xb3 [-120]
119959 0.344 -0.95 5t+: Be5xc3 Qh6g5+ Kg8f8 Qg5h6+ Kf8e8 Bc4d3 Bc3d4+
Kg1h1 [110]
160763 0.459 1.63 5t : Be5xc3 f5f6 Bc3d4+ Kg1h1 Bd4xf6 Nh5xf6+ e7xf6
[200]
173916 0.502 1.63 5. : Be5xc3 f5f6 Bc3d4+ Kg1h1 Bd4xf6 Nh5xf6+ e7xf6
[200]
403302 1.091 1.13 6--: Be5xc3 f5f6 Bc3d4+ Kg1h1 Bd4xf6 Bc4d3 Bf6d4
Bd3xh7+H [110]
465589 1.263 -0.34 6t : Be5xc3 f5f6 Bc3d4+ Kg1h1 Bd4xf6 Bc4d3 Ra8a2
Nh5xf6+ e7xf6 Qh6xh7+ Kg8f8 Rf1xf6 [0]
1225753 3.329 -0.33 6t+: Be5h8 Qh6g5+ Kg8f8 f5f6 e7xf6 Kg1f2 [110]
1271055 3.460 -0.17 6t : Be5h8 f5f6 e7xf6 Bc4d3 f6f5 Qh6g5+ Kg8f8 Bd3xf5
Bh8xc3 Bf5xh7 [10]
1271055 3.467 -0.17 6. : Be5h8 f5f6 e7xf6 Bc4d3 f6f5 Qh6g5+ Kg8f8 Bd3xf5
Bh8xc3 Bf5xh7 [10]
2132164 5.701 -0.66 7t+: Qc7d8 f5f6 Qd8f8 Qh6g5+ Kg8h8 Qg5g7+ Qf8xg7
Rf1a1 Ra8xa1+ Kg1f2 [1510]
2150851 5.757 -0.57 7t : Qc7d8 f5f6 Qd8f8 Qh6g5+ Kg8h8 f6xe7 Qf8e8 Nh5f6
Qe8xe7 Nf6xh7 Qe7xg5 Nh7xg5 b5xc4 Ng5xf7+ Kh8h7
Nf7xe5 d6xe5 b3xc4 [30]
2444682 6.584 -0.57 7. : Qc7d8 f5f6 Qd8f8 Qh6g5+ Kg8h8 f6xe7 Qf8e8 Nh5f6
Qe8xe7 Nf6xh7 Qe7xg5 Nh7xg5 b5xc4 Ng5xf7+ Kh8h7
Nf7xe5 d6xe5 b3xc4 [30]
2622762 6.997 -0.64 8t : Qc7d8 f5f6 Qd8f8 Qh6g5+ Kg8h8 f6xe7 Qf8e8 Bc4d3
Be5xc3 Qg5h6 [10]
4239270 11.00 -0.63 8t+: Qc7c8 f5f6 Qc8f8 Qh6g5+ Kg8h8 f6xe7 Qf8e8 Bc4xb5
Bd7xb5 Kg1h1 [140]
4357202 11.29 -0.58 8t : Qc7c8 f5f6 Qc8f8 Qh6g5+ Kg8h8 f6xe7 Qf8e8 Bc4d3
Be5xc3 Qg5h6 Bc3d4+ Kg1h1 [10]
4990177 12.96 -0.58 8. : Qc7c8 f5f6 Qc8f8 Qh6g5+ Kg8h8 f6xe7 Qf8e8 Bc4d3
Be5xc3 Qg5h6 Bc3d4+ Kg1h1 [10]
14597811 37.22 -1.08 9--: Qc7c8 f5f6 Qc8f8 Qh6g5+ Kg8h8 f6xe7 Qf8e8 Bc4d3
Be5xh2+ Kg1xh2 h7h6 Qg5xh6+ Kh8g8 [-420]
15630930 39.97 -1.14 9t : Qc7c8 f5f6 Qc8f8 Qh6g5+ Kg8h8 f6xe7 Qf8g8
Qg5xg8+ Kh8xg8 Bc4e2 Be5xc3 Nh5f6+ Bc3xf6 Rf1xf6
[0]
19419834 50.52 -1.14 9. : Qc7c8 f5f6 Qc8f8 Qh6g5+ Kg8h8 f6xe7 Qf8g8
Qg5xg8+ Kh8xg8 Bc4e2 Be5xc3 Nh5f6+ Bc3xf6 Rf1xf6
[0]
23062400 59.57 -1.47 10t : Qc7c8 f5f6 Qc8f8 Qh6g5+ Kg8h8 f6xe7 Qf8g8
Qg5xg8+ Kh8xg8 Nh5f6+ Be5xf6 Rf1xf6 b5xc4 Rf6xd6
Bd7e8 b3xc4 <HT> [30]
46342323 118.7 -1.47 10. : Qc7c8 f5f6 Qc8f8 Qh6g5+ Kg8h8 f6xe7 Qf8g8
Qg5xg8+ Kh8xg8 Nh5f6+ Be5xf6 Rf1xf6 b5xc4 Rf6xd6
Bd7e8 b3xc4 <HT> [30]
54050785 138.2 -1.52 11t : Qc7c8 f5f6 Qc8f8 Qh6g5+ Kg8h8 f6xe7 Qf8e8 Bc4d3
f7f5 Bd3xf5 Bd7xf5 Rf1xf5 Ra8a1+ Rf5f1 Ra1xf1+
Kg1xf1 Be5xc3 <HT> [-90]
92812000 239.0 -1.52 11u.: Qc7c8 f5f6 Qc8f8 Qh6g5+ Kg8h8 f6xe7 Qf8e8 Bc4d3
f7f5 Bd3xf5 Bd7xf5 Rf1xf5 Ra8a1+ Rf5f1 Ra1xf1+
Kg1xf1 Be5xc3 <HT> [-90]
92812000 Nodes, 35.28% Leavenodes, 388349 Nodes/sec
65675676 eval, 43.61% score, 449744622 genmoves, 15.89% captures le 316/221
ext: pawn 138775, rcp 295695, chk 3799882, repchk 737759, null 51245, prune
4415043
htable: 73669466 store, 1995092 rejected, 91118856 probe, 20534515 found
entries 2666658 age 0 rate 1333328 clock 1333328 renew 0 rehash 2
egtb probes 0, found 0
ok after 0.00 sec
test_nodes 17 l 0
1 tested, 1 found, 0 mates
92812000 nodes, 32747286 leavenodes in 239.12 sec 388133 n/s
test nodes 17 win nodes 17 mate nodes 0
win time 0.00 mate time 0.00 av depth 10.000 (nm 10.000) maxdepth 42, tu 1239
log(win_nodes) = 1.23045 log(win_time) = -2.69897
white ( 1):
Phalanx:
r5k1/2qbpp1p/3p3Q/1ppPbP1N/2B5/1PP5/6PP/5RK1 b - -
-> soft time limit 171.42 s
-> hard time limit 3199.86 s
8 -100 185 370130 Qc7-c8 Pf5-f6 Qc8-f8
8 -> 0:02.12 414074 0 turns
9 -100 568 1101321 Qc7-c8 Pf5-f6 Qc8-f8 Qh6-g5 Kg8-h8 Pf6xe7
Qf8-e8 Rf1-f6 Qe8-g8
9 -> 0:13.81 2460225 0 turns
10 -71 2845 5522536 Qc7-c8 Pf5-f6 Qc8-f8 Qh6-g5 Kg8-h8 Pf6xe7
Qf8-e8 Rf1-f6 Qe8-g8 Qg5xg8 Kh8xg8 Bc4-f1
Ra8-e8
10 -> 0:45.91 8356725 0 turns
11 -104 6676 12232708 Qc7-c8 Pf5-f6 Qc8-f8 Qh6-g5 Kg8-h8 Pf6xe7
Qf8-g8 Qg5xg8 Kh8xg8 Bc4-d3 Be5xc3 Nh5-f6
Bc3xf6 Rf1xf6 Ra8-e8
11 -> 2:28.34 25264855 0 turns
12 -95 22292 39198482 Qc7-c8 Pf5-f6 Qc8-f8 Qh6-g5 Kg8-h8 Pf6xe7
Qf8-g8 Qg5xg8 Ra8xg8 Bc4-d3 Pf7-f5 Rf1-f3
Rg8-e8 Bd3xf5 Re8xe7 Bf5xd7 Re7xd7
12 -> 6:36.70 66884223 0 turns
Depth=12, Value=-95, Time=396.70, Last turn=0.23, Nodes=66884223, N/s=168601
PV = Qc7-c8 Pf5-f6 Qc8-f8 Qh6-g5 Kg8-h8 Pf6xe7 Qf8-g8 Qg5xg8
Ra8xg8 Bc4-d3 Pf7-f5 Rf1-f3 Rg8-e8 Bd3xf5 Re8xe7 Bf5xd7
Re7xd7
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