Author: Jeremiah Penery
Date: 22:02:22 01/24/00
Go up one level in this thread
On January 24, 2000 at 16:06:48, Dann Corbit wrote:
>These positions in BS2830 were analysed by Crafty at C.A.P. time controls, and
>we got the wrong answer. So I reanalyzed them at long time controls, and
>*still* got the wrong answer. I have not tried with Hiarcs or Rebel yet. Does
>anyone have good EPD results for these? If so, what was the program used and
>what was the time control? Yes, those node counts are over one Billion!
My modified Crafty solves a couple of these...
>rn2r1k1/pp3ppp/8/1qNp4/3BnQb1/5N2/PPP2PPP/2KR3R b - - acd 13 acn 1652241874; ce
>70; pv Bxf3 gxf3 Nxc5 Bxg7 Ne6 Qg3 f6 Bxf6+ Kf7 Qh4 Nd7 Bd4 Nef8 Rhe1; pm Bxf3;
>bm Bh5; id "BS2830.08";
PFGA: EPD record: 3 ID: BS2830.08
clearing hash tables
time surplus 0.00 time limit 30:00 (30:00)
nss depth time score variation (1)
1 0.00 1.37 1. ... Bxf3 2. Qxf3 Nxc5 3. Bxc5 Qxc5
4. Rxd5
1-> 0.02 1.37 1. ... Bxf3 2. Qxf3 Nxc5 3. Bxc5 Qxc5
4. Rxd5
2 0.02 1.37 1. ... Bxf3 2. Qxf3 Nxc5 3. Bxc5 Qxc5
4. Rxd5
2-> 0.06 1.37 1. ... Bxf3 2. Qxf3 Nxc5 3. Bxc5 Qxc5
4. Rxd5
3 0.07 1.37 1. ... Bxf3 2. Qxf3 Nxc5 3. Bxc5 Qxc5
4. Rxd5
3-> 0.12 1.37 1. ... Bxf3 2. Qxf3 Nxc5 3. Bxc5 Qxc5
4. Rxd5
4 0.16 1.37 1. ... Bxf3 2. Qxf3 Nxc5 3. Bxc5 Qxc5
4. Rxd5
4-> 0.22 1.37 1. ... Bxf3 2. Qxf3 Nxc5 3. Bxc5 Qxc5
4. Rxd5
5 0.36 1.41 1. ... Bxf3 2. Qxf3 Nxc5 3. Bxc5 Qxc5
4. Rxd5 Qc4
5-> 0.49 1.41 1. ... Bxf3 2. Qxf3 Nxc5 3. Bxc5 Qxc5
4. Rxd5 Qc4
6 0.77 1.14 1. ... Bxf3 2. Qxf3 Nxc5 3. Bxc5 Qxc5
4. Rxd5 Qc4 5. Kb1
6-> 1.15 1.14 1. ... Bxf3 2. Qxf3 Nxc5 3. Bxc5 Qxc5
4. Rxd5 Qc4 5. Kb1
7 1.88 ++ 1. ... Bxf3!!
7 2.60 1.65 1. ... Bxf3 2. Qxf3 Nxc5 3. Bxc5 Qxc5
4. Rxd5 Qc4 5. Kb1 Re2
7-> 3.11 1.65 1. ... Bxf3 2. Qxf3 Nxc5 3. Bxc5 Qxc5
4. Rxd5 Qc4 5. Kb1 Re2
8 5.69 -- 1. ... Bxf3
8 7.52 -0.19 1. ... Bxf3 2. gxf3 Nxc5 3. Bxg7 Ne6
4. Qg3 Nxg7 5. Rhg1 Re2 6. Qxg7#
8-> 16.20 -0.19 1. ... Bxf3 2. gxf3 Nxc5 3. Bxg7 Ne6
4. Qg3 Nxg7 5. Rhg1 Re2 6. Qxg7#
9 20.24 ++ 1. ... Bxf3!!
9 29.09 0.86 1. ... Bxf3 2. gxf3 Nxc5 3. Bxg7 Ne6
4. Qg4 f5 5. Qxf5 Nxg7 6. Rhg1
9-> 33.98 0.86 1. ... Bxf3 2. gxf3 Nxc5 3. Bxg7 Ne6
4. Qg4 f5 5. Qxf5 Nxg7 6. Rhg1
10 37.97 -- 1. ... Bxf3
10 55.15 -0.40 1. ... Bxf3 2. gxf3 Nxc5 3. Bxg7 Ne6
4. Qh6 Qb4 5. Rhg1 Qf4+ 6. Qxf4 Nxf4
7. Be5+ Ng6 8. Rxd5
10-> 2:03 -0.40 1. ... Bxf3 2. gxf3 Nxc5 3. Bxg7 Ne6
4. Qh6 Qb4 5. Rhg1 Qf4+ 6. Qxf4 Nxf4
7. Be5+ Ng6 8. Rxd5
11 2:45 -- 1. ... Bxf3
11 5:00 -1.52 1. ... Bxf3 2. gxf3 Nxc5 3. Bxg7 Ne6
4. Qh6 f6 5. Bxf6 Nd7 6. Rhg1+ Kf7
7. Bh4 Rac8
11 7:28 ++ 1. ... Nc6!!
11 12:21 -0.67 1. ... Nc6 2. Bxg7 Qxc5 3. Qxg4 f5
4. Qxf5 Nb4 5. Ne1 Kxg7 6. Kb1 Nxf2
7. Qg5+ Kh8
11 22:23 -0.52 1. ... Bh5 2. Nxe4 dxe4 3. g4 Bg6 4.
Ne5 Qa4 5. Nxg6 Qxa2 6. Ne5 f6 7. Qxe4
fxe5 8. Bxe5
11-> 25:15 -0.52 1. ... Bh5 2. Nxe4 dxe4 3. g4 Bg6 4.
Ne5 Qa4 5. Nxg6 Qxa2 6. Ne5 f6 7. Qxe4
fxe5 8. Bxe5
time=30:00 cpu=99% mat=0 n=239569162 fh=91% nps=133034
ext-> checks=10284698 recaps=596795 pawns=68831 1rep=1110987 thrt: 96980
predicted=0 nodes=239569162 evals=64558666
endgame tablebase-> probes done=0 successful=0
hashing-> trans/ref=17% pawn=0% used=99%
>r1b1r1k1/ppp2ppp/2nb1q2/8/2B5/1P1Q1N2/P1PP1PPP/R1B2RK1 w - - acd 14 acn
>1355889197; ce 38; pv Qc3 Ne5 Bb2 Nxf3+ Qxf3 Qxf3 gxf3 Be6 Rfe1 Bxc4 bxc4 f5 d3
>Kf7 Kg2 Bf4 Bd4; pm Qc3; bm Bb2; id "BS2830.12";
time surplus 0.00 time limit 30:00 (30:00)
nss depth time score variation (1)
1 0.00 1.26 1. Rb1
1-> 0.01 1.26 1. Rb1
2 0.01 1.00 1. Rb1 Bg4
2 0.03 1.10 1. Qc3 Ne5
2-> 0.04 1.10 1. Qc3 Ne5
3 0.05 1.03 1. Qc3 Ne5 2. Kh1
3-> 0.08 1.03 1. Qc3 Ne5 2. Kh1
4 0.10 1.02 1. Qc3 Ne5 2. Nxe5 Bxe5 3. Qe3
4-> 0.17 1.02 1. Qc3 Ne5 2. Nxe5 Bxe5 3. Qe3
5 0.27 0.91 1. Qc3 Ne5 2. Bd5 Nxf3+ 3. Bxf3 Qf4
4. h3
5-> 0.47 0.91 1. Qc3 Ne5 2. Bd5 Nxf3+ 3. Bxf3 Qf4
4. h3
6 0.76 0.72 1. Qc3 Ne5 2. Kh1 Bg4 3. Bd5 Rab8
6-> 1.77 0.72 1. Qc3 Ne5 2. Kh1 Bg4 3. Bd5 Rab8
7 2.82 0.79 1. Qc3 Ne5 2. Kh1 Bg4 3. Bd5 c6 4.
Be4
7 5.13 0.85 1. c3 Ne5 2. Nxe5 Bxe5 3. Bd5 c6 4.
Be4 h6
7 8.14 ++ 1. Bb2!!
7 11.40 1.41 1. Bb2 Qh6 2. a3 Qh5 3. Rae1 Bg4 4.
h4 Bxf3 5. Qxf3 Qxf3 6. gxf3
7-> 11.54 1.41 1. Bb2 Qh6 2. a3 Qh5 3. Rae1 Bg4 4.
h4 Bxf3 5. Qxf3 Qxf3 6. gxf3
8 15.25 -- 1. Bb2
8 19.08 1.29 1. Bb2 Qxb2 2. Ng5 Ne5 3. Qxh7+ Kf8
4. Rae1 Qxa2 5. Qh8+ Ke7 6. Qxg7 Qxc2
8-> 22.45 1.29 1. Bb2 Qxb2 2. Ng5 Ne5 3. Qxh7+ Kf8
4. Rae1 Qxa2 5. Qh8+ Ke7 6. Qxg7 Qxc2
9 58.61 1.50 1. Bb2 Qh6 2. Rae1 Bg4 3. Qd5 Be6 4.
Qe4 Bxc4 5. Qxc4 Rad8 <HT>
9-> 1:09 1.50 1. Bb2 Qh6 2. Rae1 Bg4 3. Qd5 Be6 4.
Qe4 Bxc4 5. Qxc4 Rad8 <HT>
10 2:40 1.40 1. Bb2 Qf4 2. Rae1 Bf5 3. Qc3 Qh6 4.
Bd5 Nb4 5. Bxb7 Nxc2
10-> 3:20 1.40 1. Bb2 Qf4 2. Rae1 Bf5 3. Qc3 Qh6 4.
Bd5 Nb4 5. Bxb7 Nxc2
11 5:18 1.47 1. Bb2 Qf4 2. Rae1 Bf5 3. Qc3 Qh6 4.
a3 Bf4 5. d4 Rad8 6. h3
11-> 7:19 1.47 1. Bb2 Qf4 2. Rae1 Bf5 3. Qc3 Qh6 4.
a3 Bf4 5. d4 Rad8 6. h3
12 25:26 1.32 1. Bb2 Qh6 2. Bc3 Bg4 3. h3 Bh5 4.
Bd5 Rad8 5. Rac1 Ne5 6. Qf5 Nxf3+ 7.
Bxf3 Bxf3 8. Qxf3
time=30:00 cpu=99% mat=1 n=244080931 fh=93% nps=135579
ext-> checks=13330565 recaps=767196 pawns=11740 1rep=868209 thrt:67693
predicted=0 nodes=244080931 evals=56093874
endgame tablebase-> probes done=0 successful=0
hashing-> trans/ref=18% pawn=2% used=99%
>r1b1qrk1/ppBnppb1/2n4p/1NN1P1p1/3p4/8/PPP1BPPP/R2Q1R1K w - - acd 15 acn
>1325306616; ce -18; pv Nb3 Ndxe5 N5xd4 Nxd4 Nxd4 Nc6 c3 Bxd4 cxd4 Qd7 Be5 f6 Qc2
>Kg7 Bg3 Nxd4 Qc4 Nxe2 Qxe2; pm Nb3; bm Ne6; id "BS2830.17";
time surplus 0.00 time limit 30:00 (30:00)
nss depth time score variation (1)
1 0.00 1.24 1. Nxd7 Qxd7
1-> 0.03 1.24 1. Nxd7 Qxd7
2 0.04 1.05 1. Nxd7 Qxd7 2. Re1 Nxe5 3. Qxd4 Qxd4
4. Nxd4
2-> 0.06 1.05 1. Nxd7 Qxd7 2. Re1 Nxe5 3. Qxd4 Qxd4
4. Nxd4
3 0.06 1.02 1. Nxd7 Qxd7 2. Re1 e6
3-> 0.10 1.02 1. Nxd7 Qxd7 2. Re1 e6
4 0.15 0.99 1. Nxd7 Qxd7 2. h3 Nxe5 3. Qxd4 Qxd4
4. Nxd4
4 0.20 1.37 1. Ne4 d3 2. Qxd3 Ndxe5
4-> 0.26 1.37 1. Ne4 d3 2. Qxd3 Ndxe5
5 0.37 1.03 1. Ne4 Ndxe5 2. Nxd4 Qd7 3. Bxe5 Bxe5
5 0.54 1.31 1. Ne6 fxe6 2. Bh5 Rf7 3. Bxf7+ Qxf7
4. Nxd4 Ndxe5
5-> 0.60 1.31 1. Ne6 fxe6 2. Bh5 Rf7 3. Bxf7+ Qxf7
4. Nxd4 Ndxe5
6 0.68 1.31 1. Ne6 fxe6 2. Bh5 Rf7 3. Bxf7+ Qxf7
4. Nxd4 Ndxe5
6-> 1.05 1.31 1. Ne6 fxe6 2. Bh5 Rf7 3. Bxf7+ Qxf7
4. Nxd4 Ndxe5
7 1.21 1.31 1. Ne6 fxe6 2. Bh5 Rf7 3. Bxf7+ Qxf7
4. Nxd4 Ndxe5
7-> 1.76 1.31 1. Ne6 fxe6 2. Bh5 Rf7 3. Bxf7+ Qxf7
4. Nxd4 Ndxe5
8 2.08 1.36 1. Ne6 fxe6 2. Bh5 Rf7 3. Bxf7+ Qxf7
4. Nxd4 Ndxe5 5. Ne2
8-> 4.24 1.36 1. Ne6 fxe6 2. Bh5 Rf7 3. Bxf7+ Qxf7
4. Nxd4 Ndxe5 5. Ne2
9 5.30 1.41 1. Ne6 fxe6 2. Bh5 Rf7 3. Nxd4 Ndxe5
4. Nxc6 Nxc6 5. Bxf7+ Qxf7 6. Rb1 <HT>
9-> 12.09 1.41 1. Ne6 fxe6 2. Bh5 Rf7 3. Nxd4 Ndxe5
4. Nxc6 Nxc6 5. Bxf7+ Qxf7 6. Rb1 <HT>
10 14.28 1.23 1. Ne6 fxe6 2. Bh5 Rf7 3. Nxd4 Ndxe5
4. Bxe5 Nxe5 5. Qe2 Ng6 6. Bxg6 Bxd4
7. Bxf7+ Qxf7
10-> 32.89 1.23 1. Ne6 fxe6 2. Bh5 Rf7 3. Nxd4 Ndxe5
4. Bxe5 Nxe5 5. Qe2 Ng6 6. Bxg6 Bxd4
7. Bxf7+ Qxf7
11 39.36 1.40 1. Ne6 fxe6 2. Bh5 Rf7 3. Nxd4 Ndxe5
4. Nxc6 Nxc6 5. Rb1 e5 6. Qe2 Bf5 7.
Bxf7+ Qxf7
11-> 1:12 1.40 1. Ne6 fxe6 2. Bh5 Rf7 3. Nxd4 Ndxe5
4. Nxc6 Nxc6 5. Rb1 e5 6. Qe2 Bf5 7.
Bxf7+ Qxf7
12 1:28 1.41 1. Ne6 fxe6 2. Bh5 Rf7 3. Bxf7+ Qxf7
4. Nxd4 Ndxe5 5. c3 Bd7 6. Nxc6 Bxc6
7. Bxe5 Bxe5 8. Qg4
12-> 3:31 1.41 1. Ne6 fxe6 2. Bh5 Rf7 3. Bxf7+ Qxf7
4. Nxd4 Ndxe5 5. c3 Bd7 6. Nxc6 Bxc6
7. Bxe5 Bxe5 8. Qg4
13 4:40 1.40 1. Ne6 fxe6 2. Bh5 Rf7 3. Bxf7+ Qxf7
4. Nxd4 Ndxe5 5. Nxc6 Nxc6 6. c3 e5
7. Qe2 Be6 8. b3
13-> 12:30 1.40 1. Ne6 fxe6 2. Bh5 Rf7 3. Bxf7+ Qxf7
4. Nxd4 Ndxe5 5. Nxc6 Nxc6 6. c3 e5
7. Qe2 Be6 8. b3
14 16:28 1.52 1. Ne6 fxe6 2. Bh5 Rf7 3. f4 Kh7 4.
Nxd4 Ndxe5 5. Nxc6 Nxc6 6. Qd3+ Kg8
7. Bxf7+ Qxf7 8. fxg5 Qh5 9. gxh6 Qxh6
time=30:00 cpu=99% mat=0 n=271364363 fh=95% nps=150693
ext-> checks=18948462 recaps=490227 pawns=143962 1rep=1113655 thrt:37029
predicted=0 nodes=271364363 evals=41453092
endgame tablebase-> probes done=0 successful=0
hashing-> trans/ref=17% pawn=11% used=99%
I'm going to do some longer runs on a couple of these. On #1, it began searching
Bh3+ at about 9 minutes, but didn't resolve anything by 30 minutes. I didn't
see any of the rest, but I think something similar happened in at least a couple
other positions.
Jeremiah
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