Author: Renze Steenhuisen
Date: 01:51:41 05/18/05
Go up one level in this thread
On May 18, 2005 at 03:24:42, Jeremiah Penery wrote:
>On May 17, 2005 at 22:31:25, Eelco de Groot wrote:
>
>>Pro Deo 1.1 Q5T about Nolot #3, keymove is supposed to be Nxg5, most programs
>>eventually play Bxg5. So does the Q5T, but only with +0.36
>>[D]r2qk2r/ppp1b1pp/2n1p3/3pP1n1/3P2b1/2PB1NN1/PP4PP/R1BQK2R w KQkq - bm Nxg5; >I've studied the Nolot positions a lot, and I'm quite sure that position #3 is
>correct with Nxg5. White has a crushing attack, and most of black's pieces are
>paralyzed.
>
>This is output from a modified Crafty 19.19, with some form of singular
>extensions among other things:
>
>White(1): analyze
>Analyze Mode: type "exit" to terminate.
> clearing hash tables
> time surplus 0.00 time limit 22.50 (3:30)
> depth time score variation (1)
> ...
> 11 15.76 0.14 1. Be3 O-O 2. Bxg5 Bxg5 3. Qc2 h6 4.
> Bh7+ Kh8 5. Nxg5 Qxg5 6. Rf1 Rxf1+
> 7. Nxf1
> 11 20.06 0.20 1. Bxg5 Bxg5(S) 2. Rf1(H) Qe7(H) 3.
> Qa4(H) Bf4(H) 4. Ne2(H) Be3(H) 5. h3(H)
> Bh5(H) 6. Qd1(H) <HT>
> 11-> 23.59 0.20 1. Bxg5 Bxg5(S) 2. Rf1 Qe7 3. Qa4 Bf4
> 4. Ne2 Be3 5. h3 Bh5 6. Qd1 <HT>
> 12 31.70 0.03 1. Bxg5 Bxg5(S) 2. Rf1 Qe7 3. Qa4 O-O-O
> 4. Bb5 Nb8 5. Nxg5 Qxg5 6. Qxa7 Rhf8
> 12 1:03 0.08 1. Be3 g6 2. Bb5 Ne4 3. Qa4 Qd7 4.
> Nxe4 dxe4 5. Ng5 O-O-O 6. O-O Bf5 7.
> Bxc6 Qxc6 8. Qxa7
> 12 1:23 0.41 1. Nxg5 Bxd1(S) 2. Nxe6(H) Qb8(H) 3.
> Nxg7+(H) Kf7(H) 4. Bh6(H) Bf8(H) 5.
> Rf1+(H) Kg8(H) 6. N3f5(H) Bg4(H) 7.
> e6(H) <HT>
> 12-> 1:31 0.41 1. Nxg5 Bxd1(S) 2. Nxe6 Qb8 3. Nxg7+
> Kf7(S) 4. Bh6 Bf8 5. Rf1+ Kg8 6. N3f5
> Bg4 7. e6 <HT>
> 13 2:05 0.70 1. Nxg5 Bxd1(S) 2. Nxe6 Qc8(S) 3. Nxg7+
> Kf7(S) 4. O-O+(H) Kxg7(H) 5. Nf5+(H)
> Qxf5(H) 6. Bxf5(H) Bh5(H) 7. b4(H)
> Bg6(H) 8. Bg4(H) <HT>
> 13-> 2:32 0.70 1. Nxg5 Bxd1(S) 2. Nxe6 Qc8(S) 3. Nxg7+
> Kf7(S) 4. O-O+ Kxg7(S) 5. Nf5+ Qxf5
> 6. Bxf5 Bh5 7. b4 Bg6 8. Bg4 <HT>
>
>The score continues to rise at higher iterations.
>
> 17-> 27:17 1.24 1. Nxg5 Bxd1 2. Nxe6 Qb8(S) 3. Nxg7+
> Kf7 4. N7f5 Ba4 5. O-O Ke8 6. b3(S)
> Bxb3 7. axb3 <HT>
Are we talkin about the same position here? This is my log I get for Crafty 19.3
on a PIV 3 GHz and 768 MByte Hashtable:
solution 1. Nxg5
time surplus 0.00 time limit 1200:00 (1200:00)
depth time score variation (1)
1 0.00 -0.43 1. Kd2 Nxf3+ 2. gxf3
1-> 0.01 -0.43 1. Kd2 Nxf3+ 2. gxf3
2 0.01 -0.29 1. Kd2 Nxf3+ 2. gxf3 Bh3
2 0.01 -0.24 1. h3 Nxf3+ 2. gxf3 Bh4 3. hxg4 Bxg3+
2-> 0.02 -0.24 1. h3 Nxf3+ 2. gxf3 Bh4 3. hxg4 Bxg3+
3 0.02 -- 1. h3
3 0.02 -0.92 1. h3 Bxf3 2. gxf3 Kd7
3 0.02 -0.51 1. Kd2 Rf8 2. Rf1 Nxf3+ 3. gxf3
3-> 0.04 -0.51 1. Kd2 Rf8 2. Rf1 Nxf3+ 3. gxf3
4 0.04 -0.42 1. Kd2 Rf8 2. Rf1 Nxf3+ 3. gxf3 Bh3
4 0.05 ++ 1. h3!!
4 0.06 -0.02 1. h3 Bxf3 2. gxf3 Qd7 3. Bf4
4-> 0.07 -0.02 1. h3 Bxf3 2. gxf3 Qd7 3. Bf4
5 0.09 -0.15 1. h3 Bxf3 2. gxf3 Qd7 3. Kd2 Rf8
5-> 0.12 -0.15 1. h3 Bxf3 2. gxf3 Qd7 3. Kd2 Rf8
6 0.15 -0.05 1. h3 Bxf3 2. gxf3 Kd7 3. f4 Ne4 4.
Nxe4 dxe4 5. Bxe4
6-> 0.23 -0.05 1. h3 Bxf3 2. gxf3 Kd7 3. f4 Ne4 4.
Nxe4 dxe4 5. Bxe4
7 0.35 -0.14 1. h3 Bxf3 2. gxf3 g6 3. f4 Nf7 4.
Kd2 a5
7-> 0.81 -0.14 1. h3 Bxf3 2. gxf3 g6 3. f4 Nf7 4.
Kd2 a5
8 1.02 -0.19 1. h3 Bxf3 2. gxf3 Kd7 3. f4 Ne4 4.
Nxe4 dxe4 5. Bxe4 g6
8 1.81 -0.10 1. Qe2 Kd7 2. Kd1 Qf8 3. Rf1 Nxf3 4.
gxf3 Bh3 5. Re1
8-> 2.12 -0.10 1. Qe2 Kd7 2. Kd1 Qf8 3. Rf1 Nxf3 4.
gxf3 Bh3 5. Re1
9 4.46 -0.19 1. Qe2 h5 2. Kd1 h4 3. Nf1 Rf8 4. Bxg5
Bxf3 5. gxf3 Bxg5
9 5.67 -0.03 1. h3 Bxf3 2. gxf3 g6 3. f4 Nf7 4.
Qg4 Qd7 5. Kd1 Kd8 <HT>
9-> 6.49 -0.03 1. h3 Bxf3 2. gxf3 g6 3. f4 Nf7 4.
Qg4 Qd7 5. Kd1 Kd8 <HT>
10 7.86 0.02 1. h3 Bxf3 2. gxf3 Kd7 3. f4 Ne4 4.
Nxe4 dxe4 5. Bxe4 Qf8 6. d5 Bh4+ 7.
Kd2 Qxf4+
10-> 10.93 0.02 1. h3 Bxf3 2. gxf3 Kd7 3. f4 Ne4 4.
Nxe4 dxe4 5. Bxe4 Qf8 6. d5 Bh4+ 7.
Kd2 Qxf4+
11 14.18 0.03 1. h3 Bxf3 2. gxf3 g6 3. Kd2 Rf8 4.
Be2 Qd7 5. Kc2 a5 6. Be3 a4
11-> 26.15 0.03 1. h3 Bxf3 2. gxf3 g6 3. Kd2 Rf8 4.
Be2 Qd7 5. Kc2 a5 6. Be3 a4
12 34.96 0.10 1. h3 Bxf3 2. gxf3 g6 3. f4 Nf7 4.
Kd2 Rf8 5. Kc2 Qd7 6. Be3 Kd8 7. Re1
<HT>
12-> 1:04 0.10 1. h3 Bxf3 2. gxf3 g6 3. f4 Nf7 4.
Kd2 Rf8 5. Kc2 Qd7 6. Be3 Kd8 7. Re1
<HT>
13 1:18 0.03 1. h3 Bxf3 2. gxf3 g6 3. f4 Nf7 4.
Be3 Rf8 5. Kd2 a5 6. Kc2 Qd7 7. Qg4
Kd8 <HT>
13 3:00 0.08 1. Qe2 g6 2. Qe3 Bxf3 3. gxf3 Rf8 4.
Rf1 Nf7 5. Kd1 a5 6. Qf2 Bg5 7. Kc2
Qd7
13-> 4:42 0.08 1. Qe2 g6 2. Qe3 Bxf3 3. gxf3 Rf8 4.
Rf1 Nf7 5. Kd1 a5 6. Qf2 Bg5 7. Kc2
Qd7
14 10:37 0.19 1. Qe2 g6 2. h4 Nf7 3. h5 Bh4 4. Rxh4
Bxf3 5. Qxf3 Qxh4 6. hxg6 Nfxe5 7.
dxe5 Nxe5 8. Qe3 Nxd3+ 9. Qxd3 hxg6
10. Qxg6+
14-> 11:41 0.19 1. Qe2 g6 2. h4 Nf7 3. h5 Bh4 4. Rxh4
Bxf3 5. Qxf3 Qxh4 6. hxg6 Nfxe5 7.
dxe5 Nxe5 8. Qe3 Nxd3+ 9. Qxd3 hxg6
10. Qxg6+
15 21:12 0.07 1. Qe2 g6 2. h3 Bxf3 3. gxf3 Rf8 4.
Rf1 Nf7 5. Kd1 a5 6. Qg2 a4 7. Rb1
a3 8. bxa3 Qc8
15 65:24 0.08 1. h3 Bxf3 2. gxf3 g6 3. Be3 Nf7 4.
Kd2 a5 5. Qa4 Rf8 6. Kc2 Bg5 7. f4
Bh4 8. Rhg1 Be7
15-> 66:05 0.08 1. h3 Bxf3 2. gxf3 g6 3. Be3 Nf7 4.
Kd2 a5 5. Qa4 Rf8 6. Kc2 Bg5 7. f4
Bh4 8. Rhg1 Be7
16 83:49 0.15 1. h3 Bxf3 2. gxf3 Nf7 3. Qc2 Na5 4.
Kd1 g6 5. Qe2 a6 6. Re1 Qd7 7. Bd2
Qa4+ 8. Bc2 Qc4 9. Qxc4 Nxc4 10. Bc1
16 155:48 0.16 1. Be3 g6 2. h3 Bxf3 3. gxf3 Nf7 4.
Kd2 Rf8 5. f4 Nh6 6. Qc2 Qd7 <HT>
16-> 164:47 0.16 1. Be3 g6 2. h3 Bxf3 3. gxf3 Nf7 4.
Kd2 Rf8 5. f4 Nh6 6. Qc2 Qd7 <HT>
17 203:17 0.10 1. Be3 g6 2. h3 Bxf3 3. gxf3 Nf7 4.
Kd2 a5 5. Bb5 Bh4 6. Ne2 Ng5 7. Nf4
Rf8 8. Qe2 Bg3 9. h4 Qd7 10. hxg5 Bxf4
17 241:30 0.12 1. h3 Bxf3 2. gxf3 Nf7 3. f4 g6 4.
Qg4 Qd7 5. Kd1 Nh6 6. Qe2 Kd8 7. h4
Nf5 8. Nxf5 gxf5 9. Be3 Rg8 10. Kc2
17 408:09 0.17 1. Qe2 g6 2. h4 Nf7 3. h5 Bh4 4. Qf2
Bxg3 5. Qxg3 gxh5 6. Nh2 Kd7 7. Nxg4
hxg4 8. Qxg4 Qg8 9. Qxg8 Raxg8 10.
Rf1
17-> 421:53 0.17 1. Qe2 g6 2. h4 Nf7 3. h5 Bh4 4. Qf2
Bxg3 5. Qxg3 gxh5 6. Nh2 Kd7 7. Nxg4
hxg4 8. Qxg4 Qg8 9. Qxg8 Raxg8 10.
Rf1
18 548:47 0.15 1. Qe2 g6 2. h4 Nf7 3. h5 Bh4 4. Qf2
Bxg3 5. Qxg3 gxh5 6. Bf4 Kd7 7. Kd2
h6 8. Nh2 Rg8 9. Nxg4 Rxg4 10. Qf2
Qg8
18-> 935:27 0.15 1. Qe2 g6 2. h4 Nf7 3. h5 Bh4 4. Qf2
Bxg3 5. Qxg3 gxh5 6. Bf4 Kd7 7. Kd2
h6 8. Nh2 Rg8 9. Nxg4 Rxg4 10. Qf2
Qg8
time=1200:00 cpu=99% mat=0 n=72758561382 fh=91% nps=1010k
ext-> chk=2131479195 cap=206017646 pp=19671222 1rep=98479684
mate=3505586
predicted=0 nodes=72758561382 evals=1817035425
endgame tablebase-> probes=0 hits=0
Can anyone tell me what the big change was to Crafty from 19.3 to 19.19 that
causes this difference?
Cheers!
Renze
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