Author: Mike Byrne
Date: 21:07:56 12/26/03
Go up one level in this thread
On December 26, 2003 at 23:51:34, Jim Monaghan wrote:
>Flash:
>
>Crafty 19.08 SE WB2 29 MB:
>11 00:00 4.17 1. e8=B Ke3 2. Bf7 Kd4 3. Bh5 Ke3 4. Bg4 Bd3 5. Bd5 Be4 6.
>Bc4
>12 00:00 4.16 1. e8=B Ke3 2. Bf7 Kd4 3. Bh5 Ke3 4. Kg1 Bd3 5. Bhf3 Kf4 6.
>Bcd5 Kg5
>13 00:01 4.19 1. e8=B Ke3 2. Bh5 Bd3 3. Bhf3 Bf1 4. Kg1 Bc4 5. Bfe4 Bd3 6.
>Bf3 Bc4 <HT>
>14 00:01 4.19 1. e8=B Ke3 2. Bh5 Bd3 3. Bhf3 Bf1 4. Kg1 Bc4 5. Bd7 Bd3 6.
>Bdc6 Bc4 <HT>
>15 00:02 4.19 1. e8=B Ke3 2. Bh5 Bd3 3. Bhf3 Bf1 4. Kg1 Bc4 5. Bd7 Bd3 6.
>Bdc6 Bc4 <HT>
>16 00:05 4.17 1. e8=B Ke3 2. Bh5 Bd3 3. Bhf3 Bf1 4. Kg1 Bc4 5. Ba8 Bd3 6.
>Bfd5 Kf4 7. Bac6 Kg4 8. Be6+ <HT>
>17 00:13 4.18 1. e8=B Bc4 2. Bb5 Bd5 3. Bec6 Ba2 4. Be4 Ke3 5. Bbc6 Bc4 6.
>Bf3 Kd2 7. Kg1 Ke3 8. Bb7 Bd3 9. Kh1 Kf4 <HT>
>18 00:21 4.18 1. e8=B Bc4 2. Bb5 Bd5 3. Bec6 Ba2 4. Be4 Ke3 5. Bbc6 Bc4 6.
>Bf3 Kd2 7. Kg1 Ke3 <HT>
>19 00:37 4.18 1. e8=B Bc4 2. Bb5 Bd5 3. Bec6 Ba2 4. Be4 Ke3 5. Bbc6 Bc4 6.
>Bf3 Bf1 7. Kg1 <HT>
>20 02:08 4.18 1. e8=B Bd3 2. Bb5 Bb1 3. Bec6 Ba2 4. Be4 Bb3 5. Be8 Ke3 <HT>
>21 02:20 4.19 1. e8=B Bd3 2. Bb5 Bb1 3. Bec6 Ba2 4. Be4 Bb3 5. Bbc6 Ke3 6.
>Bcd5 Bxd5 7. Bxd5 Ke2 8. Kg1 Ke1 9. Bf3 Kd2 10. Bg4 Kd3 11. Bh5 Ke3 12. Bf7 <HT>
>21 05:01 4.20 1. e8=N Ke3 2. Nc7 Bc4 3. Nd5+ Kf2 4. Nf4 Ke3 5. Bd5 Bxd5 6.
>Nxd5+ Kf2 7. Nc3 Ke3 8. Kg1 Kf4 9. Nd5+ Ke4 10. Nc7 Kd3 11. Kf1 Kd4 12. Ne8 Ke4
>13. Nd6+ Ke3 14. Nc4+ Kd3 15. Nb2+ Kc2 16. Ke2 Kc3 17. Kf3 Kd4 18. Kxg3
>22 12:24 4.21 1. e8=N Ke3 2. Nc7 Bc4 3. Nd5+ Kf2 4. Nf4 Ke3 5. Bd5 Bxd5 6.
>Nxd5+ Kf2 7. Nc3 Ke3 8. Kg1 Kf4 9. Nd5+ Ke4 10. Nc7 Kd3 11. Nb5 Kc4 12. Nd6+ Kb3
>13. Kf1 Kc3 14. Ke2 Kd4 15. Nf5+ Kc4 16. Ng7 <HT>
>
>All is well!
>The right answer at 21 ply after 5 minutes from the position 4 moves in!
>
>Jim
I think the difference is EGTB
without EGTB
White(1): 8/4P3/2B5/8/8/6p1/5kP1/5b1K w - - 0 4
White(1): mt 2
max threads set to 2
White(1): hash
hash table memory = 3M bytes.
White(1): hash 96M
hash table memory = 96M bytes.
White(1): hashp 24M
pawn hash table memory = 24M bytes.
White(1): pon off
pondering disabled.
White(1): st 9999
search time set to 9999.00.
White(1): [d]8/4P3/2B5/8/8/6p1/5kP1/5b1K w - - 0 4
White(1): move
end-game phase
clearing hash tables
time surplus 0.00 time limit 166:39 (166:39)
depth time score variation (1)
starting thread 1
10-> 0.08 4.17 1. e8=B Bc4 2. Bh5 Ke3 3. Bhf3 Be2
4. Bfd5 Bd3 5. Kg1 Kf4
11 0.13 4.19 1. e8=B Bc4 2. Bh5 Ke3 3. Bhf3 Kd2
4. Kg1 Ke3 5. Bg4 Kf4 6. Bcf3
11-> 0.16 4.19 1. e8=B Bc4 2. Bh5 Ke3 3. Bhf3 Kd2
4. Kg1 Ke3 5. Bg4 Kf4 6. Bcf3
12 0.25 4.16 1. e8=B Bd3 2. Bh5 Ke3 3. Bhf3 Kf4
4. Bcd5 Kg5 5. Be6 Kf6 6. Bfg4 Kg5
12-> 0.33 4.16 1. e8=B Bd3 2. Bh5 Ke3 3. Bhf3 Kf4
4. Bcd5 Kg5 5. Be6 Kf6 6. Bfg4 Kg5
(s=2)
13 0.41 4.14 1. e8=B Bd3 2. Bh5 Ke3 3. Bhf3 Be2
4. Bfd5 Bd3 5. Kg1 Kf4 6. Be6 Be4 7.
Bb5
13-> 0.59 4.14 1. e8=B Bd3 2. Bh5 Ke3 3. Bhf3 Be2
4. Bfd5 Bd3 5. Kg1 Kf4 6. Be6 Be4 7.
Bb5 (s=2)
14 0.78 4.11 1. e8=B Bd3 2. Bh5 Ke3 3. Bhf3 Bf5
4. Kg1 Kf4 5. Bfd5 Bb1 6. Be6 Be4 7.
Bb5 Bf5 8. Bd5 Ke5 <HT>
14-> 1.06 4.11 1. e8=B Bd3 2. Bh5 Ke3 3. Bhf3 Bf5
4. Kg1 Kf4 5. Bfd5 Bb1 6. Be6 Be4 7.
Bb5 Bf5 8. Bd5 Ke5 <HT> (s=2)
15 1.23 4.14 1. e8=B Bd3 2. Bh5 Ke3 3. Bhf3 Bf5
4. Kg1 Kf4 5. Bfd5 Bb1 6. Be6 Bf5 7.
Bc4 Be4 8. Bd7
15-> 1.58 4.14 1. e8=B Bd3 2. Bh5 Ke3 3. Bhf3 Bf5
4. Kg1 Kf4 5. Bfd5 Bb1 6. Be6 Bf5 7.
Bc4 Be4 8. Bd7 (s=2)
16 1.98 4.17 1. e8=B Bd3 2. Bh5 Ke3 3. Bhf3 Bf5
4. Kg1 Kf4 5. Kf1 Be6 6. Be2 Bf5 7.
Bd5 Be4 8. Be6 Ke3 <HT>
16-> 3.03 4.17 1. e8=B Bd3 2. Bh5 Ke3 3. Bhf3 Bf5
4. Kg1 Kf4 5. Kf1 Be6 6. Be2 Bf5 7.
Bd5 Be4 8. Be6 Ke3 <HT> (s=2)
17 4.19 4.17 1. e8=B Bd3 2. Bb5 Bc2 3. Bec6 Ke3
4. Bb7 Bb1 5. Kg1 Bc2 6. Kf1 Bb1 7.
Bd5 Bf5 8. Bbc6 Bd3+ 9. Kg1 <HT>
17-> 8.84 4.17 1. e8=B Bd3 2. Bb5 Bc2 3. Bec6 Ke3
4. Bb7 Bb1 5. Kg1 Bc2 6. Kf1 Bb1 7.
Bd5 Bf5 8. Bbc6 Bd3+ 9. Kg1 <HT> (s=2)
18 9.58 4.17 1. e8=B Bd3 2. Bb5 Bc2 3. Bec6 Ke3
4. Bb7 Bb1 5. Kg1 Bc2 6. Kf1 Bb1 7.
Bd5 Bf5 8. Bbc6 Bd3+ 9. Kg1 Kf4 10.
Bf3 Ke5 <HT>
18-> 14.23 4.17 1. e8=B Bd3 2. Bb5 Bc2 3. Bec6 Ke3
4. Bb7 Bb1 5. Kg1 Bc2 6. Kf1 Bb1 7.
Bd5 Bf5 8. Bbc6 Bd3+ 9. Kg1 Kf4 10.
Bf3 Ke5 <HT> (s=2)
19 15.77 4.17 1. e8=B Bd3 2. Bb5 Bc2 3. Bec6 Ke3
4. Bb7 Bb1 5. Kg1 Bf5 6. Kf1 Be6 7.
Ke1 Bb3 8. Bf3 Bc2 9. Bd5 <HT>
19-> 21.84 4.17 1. e8=B Bd3 2. Bb5 Bc2 3. Bec6 Ke3
4. Bb7 Bb1 5. Kg1 Bf5 6. Kf1 Be6 7.
Ke1 Bb3 8. Bf3 Bc2 9. Bd5 <HT> (s=2)
20 23.45 4.18 1. e8=B Bd3 2. Bb5 Bc2 3. Bec6 Ke3
4. Bb7 Bb1 5. Kg1 Bf5 6. Kf1 Be6 7.
Ke1 Bb3 8. Bf3 Bc2 9. Kf1 Kf4 10. Bd5
Kg4
20-> 32.42 4.18 1. e8=B Bd3 2. Bb5 Bc2 3. Bec6 Ke3
4. Bb7 Bb1 5. Kg1 Bf5 6. Kf1 Be6 7.
Ke1 Bb3 8. Bf3 Bc2 9. Kf1 Kf4 10. Bd5
Kg4 (s=2)
21 35.70 4.18 1. e8=B Bd3 2. Bb5 Bc2 3. Bec6 Ke3
4. Bb7 Bb1 5. Kg1 Bf5 6. Kf1 Be6 7.
B5a6 Bb3 8. Bf3 Be6 9. Bb5 Kf4 10.
Ke1 Bf5 11. Bc4
21-> 1:17 4.18 1. e8=B Bd3 2. Bb5 Bc2 3. Bec6 Ke3
4. Bb7 Bb1 5. Kg1 Bf5 6. Kf1 Be6 7.
B5a6 Bb3 8. Bf3 Be6 9. Bb5 Kf4 10.
Ke1 Bf5 11. Bc4 (s=3)
22 1:27 4.18 1. e8=B Bd3 2. Bb5 Bc2 3. Bec6 Bb1
4. Bd5 Bf5 5. Ba6 Bb1 6. Bf3 Bf5 7.
Bc4 Bb1 8. Bcd5 Ke3 9. Kg1 Bc2 10.
Kf1 Bb1 11. Bc6 Bf5 (s=2)
22 2:19 4.19 1. e8=N Ke3 2. Nc7 Bd3 3. Nd5+ Kf2
4. Nf6 Bf5 5. Bf3 Bd3 6. Ne4+ Bxe4
7. Bxe4 Ke1 8. Kg1 Ke2 9. Bd5 Ke1 10.
Bb3 Kd2 11. Kf1 Kc3 12. Ke2 Kd4 13.
Bc4 Ke4 14. Bd3+ Kd4 15. Kf3 Ke5 16.
Kxg3
22-> 2:22 4.19 1. e8=N Ke3 2. Nc7 Bd3 3. Nd5+ Kf2
4. Nf6 Bf5 5. Bf3 Bd3 6. Ne4+ Bxe4
7. Bxe4 Ke1 8. Kg1 Ke2 9. Bd5 Ke1 10.
Bb3 Kd2 11. Kf1 Kc3 12. Ke2 Kd4 13.
Bc4 Ke4 14. Bd3+ Kd4 15. Kf3 Ke5 16.
Kxg3
with 5 man egtb
White(1): st 9999
search time set to 9999.00.
White(1): 8/4P3/2B5/8/8/6p1/5kP1/5b1K w - - 0 4
White(1): move
end-game phase
clearing hash tables
time surplus 0.00 time limit 166:39 (166:39)/(-25)
depth time score variation (1)
starting thread 1
4 0.05 -- 1. e8=B
4 0.05 0.01 1. e8=B Bxg2+ 2. Bxg2 <EGTB>
4 0.06 2.44 1. Be4 Bb5 2. Bg6 Ke3
4 0.06 2.48 1. Bd5 Bb5 2. Be4 Be8
4 0.09 3.68 1. e8=N Ke3 2. Nd6 Bd3
4-> 0.14 3.68 1. e8=N Ke3 2. Nd6 Bd3
5 0.14 3.79 1. e8=N Ke3 2. Nd6 Bd3 3. Bd5
5-> 0.16 3.79 1. e8=N Ke3 2. Nd6 Bd3 3. Bd5
6 0.25 3.79 1. e8=N Ke3 2. Nd6 Be2 3. Bd5 Bd3
6-> 0.30 3.79 1. e8=N Ke3 2. Nd6 Be2 3. Bd5 Bd3
7 0.30 3.86 1. e8=N Ke3 2. Nd6 Be2 3. Bd5 Bd3 4.
Kg1
7-> 0.31 3.86 1. e8=N Ke3 2. Nd6 Be2 3. Bd5 Bd3 4.
Kg1
8 0.45 3.81 1. e8=N Ke3 2. Nd6 Kf4 3. Kg1 Bd3 4.
Bd5 Kg4 <HT>
8-> 0.58 3.81 1. e8=N Ke3 2. Nd6 Kf4 3. Kg1 Bd3 4.
Bd5 Kg4 <HT> (s=2)
9 1.09 3.81 1. e8=N Ke3 2. Nf6 Bd3 3. Kg1 Be2 4.
Ne4 Kf4 5. Nd6 <HT>
9-> 1.28 3.81 1. e8=N Ke3 2. Nf6 Bd3 3. Kg1 Be2 4.
Ne4 Kf4 5. Nd6 <HT>
10 2.05 3.85 1. e8=N Ke3 2. Nf6 Bd3 3. Bf3 Bc4 4.
Nd5+ Kf2 5. Nb6 Be2 6. Be4
10-> 2.31 3.85 1. e8=N Ke3 2. Nf6 Bd3 3. Bf3 Bc4 4.
Nd5+ Kf2 5. Nb6 Be2 6. Be4
11 3.28 3.87 1. e8=N Be2 2. Nf6 Ke3 3. Nd5+ Kd4
4. Nf4 Bd1 5. Kg1 Ke5 6. Nd3+ Ke6 7.
Nc5+ Kf5 <HT>
11-> 3.45 3.87 1. e8=N Be2 2. Nf6 Ke3 3. Nd5+ Kd4
4. Nf4 Bd1 5. Kg1 Ke5 6. Nd3+ Ke6 7.
Nc5+ Kf5 <HT>
12 5.31 3.83 1. e8=N Be2 2. Nd6 Ke3 3. Be8 Kf4 4.
Bb5 Bh5 5. Kg1 Ke5 6. Nc4+ Kf5 7. Nd6+
Kg5
12-> 5.78 3.83 1. e8=N Be2 2. Nd6 Ke3 3. Be8 Kf4 4.
Bb5 Bh5 5. Kg1 Ke5 6. Nc4+ Kf5 7. Nd6+
Kg5
13 7.61 3.77 1. e8=N Be2 2. Nd6 Ke3 3. Ne4 Kf4 4.
Kg1 Bc4 5. Nc5 Kf5 6. Be4+ Kg5 7. Nd7
Be2
13-> 7.99 3.77 1. e8=N Be2 2. Nd6 Ke3 3. Ne4 Kf4 4.
Kg1 Bc4 5. Nc5 Kf5 6. Be4+ Kg5 7. Nd7
Be2
14 11.83 3.80 1. e8=N Be2 2. Nf6 Ke3 3. Nd5+ Kd4
4. Nf4 Bd1 5. Be8 Ke3 6. Nd5+ Kf2 7.
Bc6 Be2 <HT>
14-> 12.09 3.80 1. e8=N Be2 2. Nf6 Ke3 3. Nd5+ Kd4
4. Nf4 Bd1 5. Be8 Ke3 6. Nd5+ Kf2 7.
Bc6 Be2 <HT>
15 16.45 3.79 1. e8=N Be2 2. Nf6 Ke3 3. Nd5+ Kd4
4. Nf4 Bd1 5. Kg1 Ke5 6. Nd3+ Kf5 7.
Bd5 Be2 8. Nc5 Kf4 9. Nd7
15-> 16.84 3.79 1. e8=N Be2 2. Nf6 Ke3 3. Nd5+ Kd4
4. Nf4 Bd1 5. Kg1 Ke5 6. Nd3+ Kf5 7.
Bd5 Be2 8. Nc5 Kf4 9. Nd7
16 16.84 1/13* 1. e8=N
so in this case , having egtb is very important for Crafty to find the solution
quckly...
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