Author: Dann Corbit
Date: 12:57:38 08/01/01
Go up one level in this thread
On July 31, 2001 at 20:57:43, Dann Corbit wrote:
>These are analysis of the forward positions (hence the better the score for
>white, the worse the move that black made).
>
>This move [the one played by CM] clearly loses:
>[D]r1r3k1/pp3p1p/3pbp1Q/4p3/4P3/3R1N2/1PPK1PPP/7q w - - acd 21; acn 2068985989;
>acs 36002; ce 519; pv Ne1 Qxh2 Qxh2 Kf8 Qh6+ Ke7 Rf3 a5 Qxf6+ Ke8 Qh8+ Ke7 Qxh7
>b5 Qh4+ Kd7 Rd3 Bc4 Qf6 Bxd3 Qxf7+ Kc6 Qd5+ Kd7 Nxd3 b4;
>
>This move probably loses:
>[D]r1r3k1/pp3p1p/3pbp1Q/q3p3/4P3/3R1N2/1PPK1PPP/7R w - - acd 16; acn 567177259;
>acs 8002; ce 32; pv c3 Kh8 Qxf6+ Kg8 Qg5+ Kf8 Nd4 Bd7 Nf5 Bxf5 Qxf5 Qb6 Rb1 Rc4
>Ke1 Qc6 Rd5 Kg8;
Looks even more definite now:
[D]r1r3k1/pp3p1p/3pbp1Q/q3p3/4P3/3R1N2/1PPK1PPP/7R w - - acd 18; ce 223; pm c3;
pv c3 Rc4 Nxe5 Rxc3 bxc3 Qa2+ Ke3 fxe5 Qg5+ Kf8 Rxd6 Bc4 Re1 Qa5 Kf3 Qxc3+ Re3
Qa1;
>{especially when we look at the log for the analysis:
>choose from book moves randomly (using weights.)
>choose from 5 best moves.
>book learning enabled
>result learning enabled
>position learning enabled
>threshold set to 9 pawns.
>5 piece tablebase files found
>19045kb of RAM used for TB indices and decompression tables
>
>Crafty v18.10
>
>White(1): hash 100M
>hash table memory = 96M bytes.
>White(1): st 8000
>search time set to 8000.00.
>White(1): epdpfga 3probs.epd 3probs.out
>PFGA: EPD record: 1
>middle-game phase
> clearing hash tables
> time surplus 0.00 time limit 133:20 (133:20)
> nss depth time score variation (1)
> 7 0.31 -2.86 1. c3 Qa2 2. Qxf6 Qxb2+ 3. Ke3 Rxc3
> 4. Qg5+ Kf8 5. Rd1
> 7 0.70 ++ 1. Kd1!!
> 7 0.93 -2.41 1. Kd1 Qa1+ 2. Qc1 Qa4 3. Nd2 Rc6 4.
> Rg3+ Kh8 5. Re1
> 7-> 0.97 -2.41 1. Kd1 Qa1+ 2. Qc1 Qa4 3. Nd2 Rc6 4.
> Rg3+ Kh8 5. Re1
> 8 3.67 -2.16 1. Kd1 Bg4 2. Re1 Qa4 3. b3 Qc6 4.
> c4 b5 5. Qxf6
> 8-> 3.79 -2.16 1. Kd1 Bg4 2. Re1 Qa4 3. b3 Qc6 4.
> c4 b5 5. Qxf6
> 9 8.73 -2.36 1. Kd1 Qa1+ 2. Qc1 Qa4 3. Nd2 Rc5 4.
> Rxd6 Rac8 5. Ke1 Rxc2
> 9 11.05 -2.31 1. c3 Qb6 2. Ne1 Qxb2+ 3. Nc2 Kh8 4.
> Qxf6+ Kg8 5. Qg5+ Kf8 6. Qh6+ Ke8 7.
> Qxh7 Bb3
> 9-> 11.38 -2.31 1. c3 Qb6 2. Ne1 Qxb2+ 3. Nc2 Kh8 4.
> Qxf6+ Kg8 5. Qg5+ Kf8 6. Qh6+ Ke8 7.
> Qxh7 Bb3
> 10 21.42 ++ 1. c3!!
> 10 37.32 -0.77 1. c3 Qb6 2. Nd4 Bg4 3. Rg3 Qxb2+ 4.
> Nc2 f5 5. exf5 <HT>
> 10-> 37.68 -0.77 1. c3 Qb6 2. Nd4 Bg4 3. Rg3 Qxb2+ 4.
> Nc2 f5 5. exf5 <HT>
> 11 57.25 ++ 1. c3!!
> 11 1:49 0.34 1. c3 Bg4 2. h3 Bf5 3. exf5 e4 4. Rxd6
> Qc5 5. Rd4 Qxf5 6. Nh4 Qxf2+
> 11-> 1:49 0.34 1. c3 Bg4 2. h3 Bf5 3. exf5 e4 4. Rxd6
> Qc5 5. Rd4 Qxf5 6. Nh4 Qxf2+
> 12 4:18 0.27 1. c3 Kh8 2. Ne1 Qb6 3. Qxf6+ Kg8 4.
> Rg3+ Kf8 5. Nd3 Bc4 6. Ke1 Rd8 7. b4
> Qb5 8. Ke2
> 12-> 4:49 0.27 1. c3 Kh8 2. Ne1 Qb6 3. Qxf6+ Kg8 4.
> Rg3+ Kf8 5. Nd3 Bc4 6. Ke1 Rd8 7. b4
> Qb5 8. Ke2
> 13 6:37 0.30 1. c3 Kh8 2. Qxf6+ Kg8 3. Qg5+ Kf8
> 4. Nd4 Qa2 5. Nxe6+ Qxe6 6. Qf5 Qxf5
> 7. exf5 Ke7 8. Rh3 Rg8 9. Rg1 Rh8
> 13-> 7:28 0.30 1. c3 Kh8 2. Qxf6+ Kg8 3. Qg5+ Kf8
> 4. Nd4 Qa2 5. Nxe6+ Qxe6 6. Qf5 Qxf5
> 7. exf5 Ke7 8. Rh3 Rg8 9. Rg1 Rh8
> 14 14:07 0.32 1. c3 Kh8 2. Qxf6+ Kg8 3. Qg5+ Kf8
> 4. Nd4 Bd7 5. Nf5 Bxf5 6. Qxf5 Qb6
> 7. Rb1 Rc4 8. Ke1 Qc6 9. Rd5 Kg8
> 14-> 15:35 0.32 1. c3 Kh8 2. Qxf6+ Kg8 3. Qg5+ Kf8
> 4. Nd4 Bd7 5. Nf5 Bxf5 6. Qxf5 Qb6
> 7. Rb1 Rc4 8. Ke1 Qc6 9. Rd5 Kg8
> 15 35:25 ++ 1. c3!!
> 15-> 42:30 0.71 1. c3 Kh8 2. Qxf6+ Kg8 3. Qg5+ Kf8
> 4. Nd4 Bd7 5. Nf5 Bxf5 6. Qxf5 Qb6
> 7. Rb1 Rc4 8. Ke1 Qc6 9. Rd5 Kg8
> 16 119:11 ++ 1. c3!!
> time=133:20 cpu=100% mat=-1 n=567177259 fh=7% nps=70k
> ext-> chk=299695385 cap=12232734 pp=1112979 1rep=32200803
>mate=2259462
> predicted=0 nodes=567177259 evals=931559396
> endgame tablebase-> probes done=0 successful=0
> hashing-> trans/ref=2% pawn=1% used=99%
>
>draw:
>[D]r1r3k1/pp3p1p/3pbp1Q/4p3/4P3/3R1N2/1qPK1PPP/7R w - - acd 17; acn 441024764;
>acs 8001; ce 0; pv Ne1 Qb4+ c3 Qxe4 Rg3+ Bg4 f3 Qd5+ Ke2 f5 fxg4 f4 Rh3 Qa2+ Kf1
>Qc4+ Kf2 Qa2+ Kg1 Qb1 Kf2 Qa2+;
>
>draw:
>[D]r5k1/pp3p1p/3pbp1Q/4p3/4P3/3R1N2/1PrK1PPP/q6R w - - acd 18; acn 686087374;
>acs 8001; ce 0; pv Kxc2 Rc8+ Kd2 Qxb2+ Ke3 Rc1 Ne1 Bc4 Qxf6 Bxd3 Qg5+ Kf8 Qd8+
>Kg7 Qg5+ Kf8;
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