Author: Dann Corbit
Date: 12:32:13 11/14/02
Go up one level in this thread
On November 14, 2002 at 12:31:45, José Antônio Fabiano Mendes wrote:
> Tylor vs Mir Sultan Khan, Hastings 1932
> [D]8/3k4/5R2/2bNr1p1/2P1P2p/3K4/4R3/6r1 w
> And here White played 57. Rb2 and lost after 57...Rg3+
> 58. Kc2 Rg2+ 59. Kb1 Rxb2+ 60. Kxb2 Rxd5 0-1
> What should White play, what is his best move ?
> [maybe 57. Ra2, I don't know, help welcome]
yace says
white ( 1): hash 300M
hash size wanted 300000000
Stored 206 learned positions into hash table
entries 24999999 size 299999988 size_wanted 300000000 tts3 8333332
white ( 1): st 999
white ( 1): epd \amrb2.epd
8/3k4/5R2/2bNr1p1/2P1P2p/3K4/4R3/6r1 w - - am Rb2;
Stored 206 learned positions into hash table
solution Rb2?
usetime = 998.00, mintime = 998.00 maxtime = 998.00 tl 998.00 ml 0
6 0.007 0.01 1t 1.Rd2 {-10}
46 0.007 0.01 1. 1.Rd2 {-10}
89 0.008 -0.49 2-- 1.Rd2 Rg3+ 2.Ne3 {-10}
136 0.008 -1.25 2t 1.Rd2 Rg3+ 2.Ke2 {-10}
305 0.008 -1.23 2t+ 1.Rg6 Rxe4 {-90}
366 0.009 -0.55 2t 1.Rg6 Rd1+ 2.Kc3 {-10}
490 0.010 -0.27 2t+ 1.Rf7+ Kd6
814 0.011 0.00 2t 1.Rf7+ Ke6 2.Rf6+ Kd7 {-10}
969 0.011 0.00 2. 1.Rf7+ Ke6 2.Rf6+ Kd7 {-10}
2362 0.014 -0.26 3t 1.Rf7+ Ke8 2.Rg7 Rd1+ 3.Kc3 {-10}
3774 0.018 -0.26 3. 1.Rf7+ Ke8 2.Rg7 Rd1+ 3.Kc3 {-10}
11752 0.053 -0.21 4t 1.Rf7+ Kd6 2.Rf6+ Re6 3.e5+ Kd7 4.Rf7+ Ke8
5.Rg7 Rd1+ 6.Ke4 {-10}
19896 0.072 -0.21 4. 1.Rf7+ Kd6 2.Rf6+ Re6 3.e5+ Kd7 4.Rf7+ Ke8
5.Rg7 Rd1+ 6.Ke4 {-10}
54623 0.152 -0.44 5t 1.Rf7+ Kd8 2.Rg7 Rd1+ 3.Kc3 Rd4H 4.Nf6H {-10}
107881 0.271 -0.44 5. 1.Rf7+ Kd8 2.Rg7 Rd1+ 3.Kc3 Rd4 4.Nf6 {-10}
249953 0.598 -0.10 6t 1.Rf7+ Kd8 2.Rd2 Rg3+ 3.Kc2 Ke8 4.Rc7 Be3 {-10}
296137 0.694 -0.10 6. 1.Rf7+ Kd8 2.Rd2 Rg3+ 3.Kc2 Ke8 4.Rc7 Be3 {-10}
552692 1.248 -0.18 7t 1.Rf7+ Kd8 2.Rd2 Re6 3.Kc2 Rd6 4.e5 Rd7 {-10}
729043 1.605 -0.18 7. 1.Rf7+ Kd8 2.Rd2 Re6 3.Kc2 Rd6 4.e5 Rd7 {-10}
1366113 2.972 -0.31 8t 1.Rf7+ Kd8 2.Rd2 h3 3.Nf6 Bb4 4.Rd7+ Kc8 5.Kd4
Bxd2 {-510}
3928676 8.901 -0.31 8. 1.Rf7+ Kd8 2.Rd2 h3 3.Nf6 Bb4 4.Rd7+ Kc8 5.Kd4
Bxd2 {-510}
6432215 14.894 -0.26 9t 1.Rf7+ Kd8 2.Rd2 h3 3.Rh7 g4 4.Nf6 Kc8 5.Rd7
Re1 {-10}
8222789 18.996 -0.26 9. 1.Rf7+ Kd8 2.Rd2 h3 3.Rh7 g4 4.Nf6 Kc8 5.Rd7
Re1 {-10}
38677385 1:34.9 -0.52 10t 1.Rf7+ Kd8 2.Rb7 Rd1+ 3.Kc3 Bd4+ 4.Kc2 Ra1
5.Kd3 Bc5 6.Rg7 Ra3+ 7.Nc3 h3 8.Kd2 {-10}
55444887 2:15.9 -0.51 10t+ 1.Rh6 Rd1+ 2.Kc3 Ra1 3.Rh7+ Kd8 4.Nf6 Ra3+
5.Kb2 Rxe4 6.Nxe4 g4 {410}
66127628 2:42.9 -0.51 10t 1.Rh6 Rd1+ 2.Kc3 Bd4+H 3.Kc2H Ra1H 4.Rh7+H Kc8H
5.Kd3H Ra3+H 6.Kxd4H Re3H 7.Nxe3H Re6H {HT}
{840}
80526596 3:18.1 -0.51 10. 1.Rh6 Rd1+ 2.Kc3 Bd4+ 3.Kc2 Ra1 4.Rh7+ Kc8
5.Kd3 Ra3+ 6.Kxd4 Re3 7.Nxe3 Re6 {HT} {840}
103149656 4:14.5 -0.44 11t 1.Rh6 Rd1+ 2.Kc3 Bd4+ 3.Kc2 Ra1 4.Kd3 Bc5 5.Rb2
Re6 6.Rh5 Ra3+ 7.Kd2 h3 8.Rb7+ Kd6 {-10}
145863178 5:54.0 -0.44 11. 1.Rh6 Rd1+ 2.Kc3 Bd4+ 3.Kc2 Ra1 4.Kd3 Bc5 5.Rb2
Re6 6.Rh5 Ra3+ 7.Kd2 h3 8.Rb7+ Kd6 {-10}
325663072 13:22.0 -0.42 12t 1.Rh6 Rg3+ 2.Kc2 Rf3 3.Rg6 Bf8 4.Nf6+ Kc8 5.Nd5
h3H 6.Kd2H {-10}
405053595 16:37.9 -0.42 12u. 1.Rh6 Rg3+ 2.Kc2 Rf3 3.Rg6 Bf8 4.Nf6+ Kc8 5.Nd5
h3 6.Kd2 {-10}
405053595 Nodes, 20.85% Leavenodes, 405869 Nodes/sec
265558354 eval, 65.31% score, 1624378516 genmoves, 7.37% captures le 398/777
ext: pawn 726899, rcp 205065, chk 21362272, repchk 4748398, null 57279, prune 17
454428
htable: 317492936 store, 0 rejected, 401598668 probe, 29.3% f/p, 37.0% f/s
entries 24999999 age 0 renew 0
egtb probes 10, found 10 max_depth 41
ok after 0.01 sec
test_nodes 6 l 0
1 tested, 1 found, 0 mates
405053595 nodes, 84473014 leavenodes in 1004.44 sec 403262 n/s
test nodes 6 win nodes 6 mate nodes 0
win time 0.01 mate time 0.00 av depth 11.000 (nm 11.000) maxdepth 41, tu 837
log(win_nodes) = 0.77815 log(win_time) = -2.15490
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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