Author: Mark Rawlings
Date: 08:07:45 08/28/99
Go up one level in this thread
On August 28, 1999 at 09:36:58, Howard Exner wrote:
>On August 27, 1999 at 13:57:54, Mark Rawlings wrote:
>
>>I let Crafty with 3+2 tablebases chew on this one overnight after the moves c5
>>bxc5. After 25 ply, the eval was still +1.07 (Be1 Kc7 Ba5+ Kb8...) This one is
>>really deep!
>>
>>Mark
>
>What line of play is Crafty producing?
Here's the Crafty output:
+---+---+---+---+---+---+---+---+
8 | | | *K| | | | | |
+---+---+---+---+---+---+---+---+
7 | *P| | | | | | | |
+---+---+---+---+---+---+---+---+
6 | P | *P| | *P| | *B| | |
+---+---+---+---+---+---+---+---+
5 | | P | | P | | *P| | |
+---+---+---+---+---+---+---+---+
4 | | | P | | | P | | *P|
+---+---+---+---+---+---+---+---+
3 | | | | K | | | | P |
+---+---+---+---+---+---+---+---+
2 | | | | | | B | | |
+---+---+---+---+---+---+---+---+
1 | | | | | | | | |
+---+---+---+---+---+---+---+---+
a b c d e f g h
White(1): c4c5
Black(1): b6c5
White(2): analyze
end-game phase
clearing hash tables
time surplus 0.00 time limit 5.00 (30.00)
s depth time score variation (1)
10 0.53 0.28 2. Kc4 Kc7 3. Bg1 Kb6 4. Be3 Bd4 5.
Bd2 Kc7 6. Be1 Be3
10-> 0.55 0.28 2. Kc4 Kc7 3. Bg1 Kb6 4. Be3 Bd4 5.
Bd2 Kc7 6. Be1 Be3
11 0.66 0.26 2. Kc4 Kc7 3. Be3 Kc8 4. Bd2 Kc7 5.
Ba5+ Kb8 6. Kd3 Kc8 7. Be1 <HT>
11-> 0.82 0.26 2. Kc4 Kc7 3. Be3 Kc8 4. Bd2 Kc7 5.
Ba5+ Kb8 6. Kd3 Kc8 7. Be1 <HT>
12 1.08 0.26 2. Kc4 Kc7 3. Be1 Kc8 4. Kd3 Kc7 5.
Ba5+ Kc8 6. Kc4 Kb8 <HT>
12-> 1.54 0.26 2. Kc4 Kc7 3. Be1 Kc8 4. Kd3 Kc7 5.
Ba5+ Kc8 6. Kc4 Kb8 <HT>
13 2.40 0.26 2. Kc4 Kc7 3. Kb3 Kb8 4. Be1 Kc8 5.
Kc4 Kc7 6. Bd2 Kd7 7. Be3 Kc8 8. Kd3
Bb2 9. Bd2 Bf6 <HT>
13-> 3.43 0.26 2. Kc4 Kc7 3. Kb3 Kb8 4. Be1 Kc8 5.
Kc4 Kc7 6. Bd2 Kd7 7. Be3 Kc8 8. Kd3
Bb2 9. Bd2 Bf6 <HT>
14 4.81 0.26 2. Kc4 Kc7 3. Kb3 Kc8 4. Be1 Kb8 5.
Kc4 Kc8 6. Kd3 <HT>
14-> 6.15 0.26 2. Kc4 Kc7 3. Kb3 Kc8 4. Be1 Kb8 5.
Kc4 Kc8 6. Kd3 <HT>
15 7.17 0.26 2. Kc4 Kc7 3. Kb3 Kc8 4. Be1 Kb8 5.
Kc4 Kc8 6. Kd3 <HT>
15-> 8.74 0.26 2. Kc4 Kc7 3. Kb3 Kc8 4. Be1 Kb8 5.
Kc4 Kc8 6. Kd3 <HT>
16 10.75 0.26 2. Kc4 Kc7 3. Kb3 Kc8 4. Be1 Kb8 5.
Kc4 Kc8 6. Kd3 <HT>
16-> 15.80 0.26 2. Kc4 Kc7 3. Kb3 Kc8 4. Be1 Kb8 5.
Kc4 Kc8 6. Kd3 <HT>
17 19.40 0.26 2. Kc4 Kc7 3. Kb3 Kc8 4. Be1 Kb8 5.
Kc4 Kc8 6. Kd3 <HT>
17 39.35 ++ 2. Be1!!
17-> 49.28 0.65 2. Be1
18 1:25 0.97 2. Be1 Kc7 3. Ba5+ Kc8 4. b6 axb6 5.
Bxb6 Kb8 6. Kc4 Bd4 7. a7+ Kb7 8. Bc7
Kxa7 9. Bxd6 Kb6 10. Bf8 Bf2 11. d6
Kc6 12. Be7
18-> 1:37 0.97 2. Be1 Kc7 3. Ba5+ Kc8 4. b6 axb6 5.
Bxb6 Kb8 6. Kc4 Bd4 7. a7+ Kb7 8. Bc7
Kxa7 9. Bxd6 Kb6 10. Bf8 Bf2 11. d6
Kc6 12. Be7
19 2:55 1.13 2. Be1 Kc7 3. Ba5+ Kc8 4. b6 axb6 5.
Bxb6 Kb8 6. Kc4 Bd4 7. a7+ Kb7 8. Bc7
Kxa7 9. Bxd6 Kb6 10. Bf8 Be3 11. Be7
Bf2 <HT>
19-> 3:15 1.13 2. Be1 Kc7 3. Ba5+ Kc8 4. b6 axb6 5.
Bxb6 Kb8 6. Kc4 Bd4 7. a7+ Kb7 8. Bc7
Kxa7 9. Bxd6 Kb6 10. Bf8 Be3 11. Be7
Bf2 <HT>
20 4:52 1.07 2. Be1 Kc7 3. Ba5+ Kc8 4. Kc4 Kb8 5.
Kd3 Bb2 6. Bd8 Bc1 7. Bg5 Kc7 8. Bxh4
Bxf4 9. Bd8+ Kb8 <HT>
20-> 5:43 1.07 2. Be1 Kc7 3. Ba5+ Kc8 4. Kc4 Kb8 5.
Kd3 Bb2 6. Bd8 Bc1 7. Bg5 Kc7 8. Bxh4
Bxf4 9. Bd8+ Kb8 <HT>
21 11:30 0.90 2. Be1 Kc7 3. Ba5+ Kb8 4. b6 axb6 5.
Bxb6 Be7 6. Kc4 Bf8 7. Bd8 Ka7 8. Kb5
Bh6 9. Bxh4 Bxf4 <HT>
21-> 13:48 0.90 2. Be1 Kc7 3. Ba5+ Kb8 4. b6 axb6 5.
Bxb6 Be7 6. Kc4 Bf8 7. Bd8 Ka7 8. Kb5
Bh6 9. Bxh4 Bxf4 <HT>
22 31:34 1.07 2. Be1 Kc7 3. Ba5+ Kb8 4. Ke3 Bd4+
5. Kd2 Bf6 6. Kd3 Bb2 7. Bd8 <HT>
22-> 36:19 1.07 2. Be1 Kc7 3. Ba5+ Kb8 4. Ke3 Bd4+
5. Kd2 Bf6 6. Kd3 Bb2 7. Bd8 <HT>
23 71:09 1.07 2. Be1 Kc7 3. Ba5+ Kb8 4. Ke3 Bd4+
5. Kd2 Bf6 6. Kd3 <HT>
23-> 83:02 1.07 2. Be1 Kc7 3. Ba5+ Kb8 4. Ke3 Bd4+
5. Kd2 Bf6 6. Kd3 <HT>
24 207:06 1.07 2. Be1 Kc7 3. Ba5+ Kb8 4. Ke3 Bd4+
5. Ke2 Bf6 6. Kd3 <HT>
24-> 240:44 1.07 2. Be1 Kc7 3. Ba5+ Kb8 4. Ke3 Bd4+
5. Ke2 Bf6 6. Kd3 <HT>
25 463:44 1.07 2. Be1 Kc7 3. Ba5+ Kb8 4. Ke3 Bd4+
5. Ke2 Bf6 6. Kd3 Bb2 7. Kd2 Bf6 8.
Ke3 <HT>
Mark
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