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[Bug-gnubg] CRASH using 13-point osdb
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From: |
Ian Shaw |
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Subject: |
[Bug-gnubg] CRASH using 13-point osdb |
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Date: |
Tue, 4 May 2004 16:20:55 +0100 |
I set up this position and did an evaluate. Gnubg crashes when you OK the eval
window. Gnubg-no-gui crashes as soon as it has finished outputting the data.
Hint seems to work OK. The output from bearoffdump matches the evals.
I think this must be the "biggest" position possible that uses the osdb.
-- Ian
GNU Backgammon Position ID: APz/AQAA8P8HAA
Match ID : cAkAAAAAAAAA
+24-23-22-21-20-19------18-17-16-15-14-13-+ O: Leader
| | | O X | 0 points
| | | O X |
| | | O X |
| | | O X |
| | | F F |
| |BAR| |v (Cube: 1)
| | | |
| | | |
| | | |
| | | | On roll
| | | | 0 points
+-1--2--3--4--5--6-------7--8--9-10-11-12-+ X: TrailerOnRoll
Position ID: APz/AQAA8P8HAA
Match ID: cAkAAAAAAAAA
Evaluator: BEAROFF-OS
Player Opponent
Position 37442159 37442024
Bearing off Bearing at least one chequer off
Rolls Player Opponent Player Opponent
4 0.000 0.000 0.000 0.002
5 0.000 0.000 0.000 0.006
6 0.000 0.000 0.000 0.130
7 0.000 0.000 0.000 0.678
8 0.000 0.000 0.000 3.291
9 0.000 0.000 0.003 8.830
10 0.000 0.000 0.089 17.983
11 0.000 0.000 0.902 24.300
12 0.000 0.005 4.675 24.033
13 0.000 0.031 13.466 14.774
14 0.000 0.145 23.388 4.955
15 0.002 0.525 25.284 0.914
16 0.020 1.524 18.116 0.099
17 0.105 3.592 9.325 0.006
18 0.404 6.987 3.566 0.000
19 1.167 11.307 0.970 0.000
20 2.708 15.293 0.188 0.000
21 5.237 17.295 0.026 0.000
22 8.627 16.295 0.003 0.000
23 12.239 12.673 0.000 0.000
24 14.990 8.022 0.000 0.000
25 16.031 4.056 0.000 0.000
26 14.296 1.610 0.000 0.000
27 10.979 0.497 0.000 0.000
28 7.097 0.119 0.000 0.000
29 3.812 0.023 0.000 0.000
30 1.682 0.003 0.000 0.000
31 0.603 0.000 0.000 0.000
Average rolls
Bearing off Saving gammon
Player Opponent Player Opponent
Mean 24.741 21.087 14.840 11.237
Std dev 2.457 2.272 1.557 1.539
Effective pip count:
Player Opponent
EPC 202.052 172.210
Wastage 7.052 7.210
EPC = 8.167 * Average rolls
Wastage = EPC - pips
Win W(g) W(bg) L(g) L(bg) Equity Cubeful
static: 0.17355 0.00000 0.00000 0.00779 0.00000 -0.66069 -0.86116
1 ply: 0.17344 0.00000 0.00000 0.00779 0.00000 -0.66090 -0.96964
2 ply: 0.17344 0.00000 0.00000 0.00779 0.00000 -0.66091 -0.96955
Cube analysis
2-ply cubeless equity -0.66091
0.17344 0.00000 0.00000 - 0.82656 0.00779 0.00000
Cubeful equities:
1. No double -0.96955
2. Double, pass +1.00000 ( +1.96955)
3. Double, take -1.94330 ( -0.97375)
Proper cube action: No double, beaver (33.1%)
Output from bearoff dump:
C:\Program Files\Gnubg>bearoffdump gnubg_os.bd 37442024
Bearoff database: gnubg_os.bd
Position# : 37442024
Information about database:
* On disk 1-sided bearoff database evaluator:
- generated by GNU Backgammon
- up to 15 chequers on 13 points (37442160 positions) per player
- database includes gammon distributions
- number of reads: 0
Dump of position#: 37442024
Player Opponent
Position 0 37442024
Bearing off Bearing at least one chequer off
Rolls Player Opponent Player Opponent
0 100.000 0.000 100.000 0.000
1 0.000 0.000 0.000 0.000
2 0.000 0.000 0.000 0.000
3 0.000 0.000 0.000 0.000
4 0.000 0.000 0.000 0.002
5 0.000 0.000 0.000 0.006
6 0.000 0.000 0.000 0.130
7 0.000 0.000 0.000 0.678
8 0.000 0.000 0.000 3.291
9 0.000 0.000 0.000 8.830
10 0.000 0.000 0.000 17.983
11 0.000 0.000 0.000 24.300
12 0.000 0.005 0.000 24.033
13 0.000 0.031 0.000 14.774
14 0.000 0.145 0.000 4.955
15 0.000 0.525 0.000 0.914
16 0.000 1.524 0.000 0.099
17 0.000 3.592 0.000 0.006
18 0.000 6.987 0.000 0.000
19 0.000 11.307 0.000 0.000
20 0.000 15.293 0.000 0.000
21 0.000 17.295 0.000 0.000
22 0.000 16.295 0.000 0.000
23 0.000 12.673 0.000 0.000
24 0.000 8.022 0.000 0.000
25 0.000 4.056 0.000 0.000
26 0.000 1.610 0.000 0.000
27 0.000 0.497 0.000 0.000
28 0.000 0.119 0.000 0.000
29 0.000 0.023 0.000 0.000
30 0.000 0.003 0.000 0.000
Average rolls
Bearing off Saving gammon
Player Opponent Player Opponent
Mean 0.000 21.087 0.000 11.237
Std dev 0.000 2.272 0.000 1.539
Effective pip count:
Player Opponent
EPC 0.000 172.210
Wastage 0.000 7.210
EPC = 8.167 * Average rolls
Wastage = EPC - pips
C:\Program Files\Gnubg>
- [Bug-gnubg] CRASH using 13-point osdb,
Ian Shaw <=