Author: Dann Corbit
Date: 19:16:26 09/12/01
Go up one level in this thread
On September 12, 2001 at 21:32:08, Dann Corbit wrote:
>On September 12, 2001 at 21:12:06, Dann Corbit wrote:
>
>>Here is the pv for Rg5+:
>>
>>[D]8/1p6/p5R1/k7/Prpp4/K7/1NP5/8 w - - am Rd6; bm Rb6 Rg5+; id "WAC.274";
>>
>>acd 19; ce 378; Rg5+ b5 axb5 axb5 Rg8 c3 Nd3 Rc4 Rg6 Ra4+ Kb3 Ra1 Rd6 Rb1+ Ka2
>>Rf1 Rxd4 Rf7 Kb3 Rc7 Ne5 Rc5 Nd7 Rc4;
>
>Here is the pv for Rb6 (courtesy of Yace... score almost identical):
>
> 405781047 9:53.0 3.73 19t 1.Rb6 Kxb6 2.Kxb4 c3 3.a5+ Kc6 4.Nd3 Kd7 5.Nc5+
> Kc6 6.Kc4H Kc7H {HT} {180}
> 603837109 14:50.8 3.73 19. 1.Rb6 Kxb6 2.Kxb4 c3 3.a5+ Kc6 4.Nd3 Kd7 5.Nc5+
> Kc6 6.Kc4 Kc7 {HT} {180}
Turn out that Rd6 is "fools gold" because of excellent responses d3! and b5!
ce 33; pv Rd6 d3 Rd4 b5 cxd3 Rb3+ Ka2 Rc3 dxc4 bxc4 Kb1 Kb4 Rd6 Ka3 Rb6 a5 Rb8
Rg3 Kc2 c3 Rb3+ Ka2 Nd1 Rg2+ Nf2 Rxf2+ Kxc3;
Actually, we should change it to am Rd6 instead!
EPD Kit revision date: 1996.04.21
unable to open book file [e:\crafty\release/books.bin].
hash table memory = 192M bytes.
pawn hash table memory = 80M bytes.
EGTB cache memory = 32M bytes.
draw score set to 0.00 pawns.
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): st 999
search time set to 999.00.
White(1): setboard 8/1p6/p2R4/k7/Prpp4/K7/1NP5/8 b - -
puzzling over a move to ponder.
end-game phase
clearing hash tables
nss depth time score variation (1)
Black(1): c3 [pondering]
clearing hash tables
time surplus 0.00 time limit 16:39 (16:39)
nss depth time score variation (1)
go
Black(1): go
clearing hash tables
time surplus 0.00 time limit 16:39 (16:39)
nss depth time score variation (1)
9-> 0.51 1.25 1. ... c3 2. Nd3 Rxa4+ 3. Kb3 b6 4.
Rd8 b5 5. Ra8 Kb6 6. Ne5 Kc5
10 0.59 1.15 1. ... c3 2. Nd3 Rxa4+ 3. Kb3 b6 4.
Rd5+ b5 5. Rd7 Rc4 6. Re7 Ra4 7. Ra7
Kb6 8. Ra8
10-> 0.72 1.15 1. ... c3 2. Nd3 Rxa4+ 3. Kb3 b6 4.
Rd5+ b5 5. Rd7 Rc4 6. Re7 Ra4 7. Ra7
Kb6 8. Ra8
11 0.96 1.15 1. ... c3 2. Nd3 Rxa4+ 3. Kb3 b6 4.
Rd5+ b5 5. Nc5 Rc4 6. Ka2 Kb6 7. Ne6
Kc6 8. Rd8 Ra4+ 9. Kb3
11-> 1.12 1.15 1. ... c3 2. Nd3 Rxa4+ 3. Kb3 b6 4.
Rd5+ b5 5. Nc5 Rc4 6. Ka2 Kb6 7. Ne6
Kc6 8. Rd8 Ra4+ 9. Kb3
12 1.83 1.41 1. ... c3 2. Nd3 Rxa4+ 3. Kb3 b6 4.
Rd5+ b5 5. Nc5 Rb4+ 6. Ka3 Rb1 7. Nb3+
Kb6 8. Nxd4 b4+ 9. Ka4 Rb2 10. Rd6+
Kc5 11. Rd8
12-> 2.41 1.41 1. ... c3 2. Nd3 Rxa4+ 3. Kb3 b6 4.
Rd5+ b5 5. Nc5 Rb4+ 6. Ka3 Rb1 7. Nb3+
Kb6 8. Nxd4 b4+ 9. Ka4 Rb2 10. Rd6+
Kc5 11. Rd8
13 4.27 1.69 1. ... c3 2. Nd3 Rxa4+ 3. Kb3 b6 4.
Re6 Ra1 5. Re5+ b5 6. Re6 Rb1+ 7. Ka2
Rf1 8. Rd6 Rd1 9. Rxd4 <HT>
13-> 5.44 1.69 1. ... c3 2. Nd3 Rxa4+ 3. Kb3 b6 4.
Re6 Ra1 5. Re5+ b5 6. Re6 Rb1+ 7. Ka2
Rf1 8. Rd6 Rd1 9. Rxd4 <HT>
14 5.93 -- 1. ... c3
14 27.98 2.95 1. ... c3 2. Nd3 Rxa4+ 3. Kb3 b6 4.
Rd5+ b5 5. Rd6 Rc4 6. Rf6 Rc8 7. Nb4
Ra8 8. Nc6+ Kb6 9. Nxd4+ Kc5 10. Ne6+
Kb6 11. Ng5+ Kc5 12. Ne4+ Kd4 13. Nxc3
14 1:02 2.66 1. ... d3 2. Rd4 b5 3. cxd3 Rb3+ 4.
Ka2 Rc3 5. dxc4 bxc4 6. Rd8 Rc2 7.
Rd5+ Kb4 8. Rd4 Kc5 9. Rd8 c3 10. Rc8+
Kd5
14-> 1:04 2.66 1. ... d3 2. Rd4 b5 3. cxd3 Rb3+ 4.
Ka2 Rc3 5. dxc4 bxc4 6. Rd8 Rc2 7.
Rd5+ Kb4 8. Rd4 Kc5 9. Rd8 c3 10. Rc8+
Kd5
15 1:39 2.66 1. ... d3 2. Rd4 b5 3. cxd3 Rb3+ 4.
Ka2 Rc3 5. dxc4 bxc4 6. Rd6 Rc1 7.
Rd5+ Kb4 8. Rd4 Rc3 9. Rh4 a5 10. Kb1
Kb3
15-> 1:42 2.66 1. ... d3 2. Rd4 b5 3. cxd3 Rb3+ 4.
Ka2 Rc3 5. dxc4 bxc4 6. Rd6 Rc1 7.
Rd5+ Kb4 8. Rd4 Rc3 9. Rh4 a5 10. Kb1
Kb3
16 3:05 2.60 1. ... d3 2. Rd4 b5 3. cxd3 Rb3+ 4.
Ka2 Rc3 5. dxc4 bxc4 6. Rh4 Kb4 7.
Rg4 Ra3+ 8. Kb1 Rc3 9. Re4 Ka3 10.
Re2 Rb3 11. Kc2
16-> 3:11 2.60 1. ... d3 2. Rd4 b5 3. cxd3 Rb3+ 4.
Ka2 Rc3 5. dxc4 bxc4 6. Rh4 Kb4 7.
Rg4 Ra3+ 8. Kb1 Rc3 9. Re4 Ka3 10.
Re2 Rb3 11. Kc2
17 6:31 2.27 1. ... d3 2. Rd4 b5 3. cxd3 Rb3+ 4.
Ka2 Rc3 5. dxc4 bxc4 6. Rd6 Kb4 7.
Rb6+ Ka5 8. Rc6 Kb4 9. Rxa6 Ra3+ 10.
Kb1 c3 11. Nd3+ Kc4 12. Nc1 Kd5
17-> 6:49 2.27 1. ... d3 2. Rd4 b5 3. cxd3 Rb3+ 4.
Ka2 Rc3 5. dxc4 bxc4 6. Rd6 Kb4 7.
Rb6+ Ka5 8. Rc6 Kb4 9. Rxa6 Ra3+ 10.
Kb1 c3 11. Nd3+ Kc4 12. Nc1 Kd5
18 14:34 2.24 1. ... d3 2. Rd4 b5 3. cxd3 Rb3+ 4.
Ka2 Rc3 5. dxc4 bxc4 6. Rd6 Kb4 7.
Rb6+ Ka5 8. Rh6 Rg3 9. Rh5+ Kb4 10.
Rh4 Rc3 <HT>
18-> 15:04 2.24 1. ... d3 2. Rd4 b5 3. cxd3 Rb3+ 4.
Ka2 Rc3 5. dxc4 bxc4 6. Rd6 Kb4 7.
Rb6+ Ka5 8. Rh6 Rg3 9. Rh5+ Kb4 10.
Rh4 Rc3 <HT>
time=16:39 cpu=99% mat=1 n=503650652 fh=94% nps=504k
ext-> chk=29700690 cap=593891 pp=1242739 1rep=1179992 mate=144505
predicted=0 nodes=503650652 evals=141890969
endgame tablebase-> probes done=193933 successful=193933
Black(1): d3
time used: 16:39
learning position, wtm=0 value=-224
White(2): Rd4 [pondering]
crafty is behind 2.0 on time, reducing by 1/6.
time surplus 0.00 time limit 16:39 (16:39)
nss depth time score variation (17)
17 1:32 ++ 2. ... b5!!
17 3:26 1.27 2. ... b5 3. cxd3 Rb3+ 4. Ka2 Kb4 5.
dxc4 Ra3+ 6. Kb1 bxa4 7. Rd2 Rb3 8.
Rc2 a3 9. c5 axb2 10. c6 Ka3 11. c7
Rd3 12. Rxb2 Rc3 13. Rb7
17-> 5:28 1.27 2. ... b5 3. cxd3 Rb3+ 4. Ka2 Kb4 5.
dxc4 Ra3+ 6. Kb1 bxa4 7. Rd2 Rb3 8.
Rc2 a3 9. c5 axb2 10. c6 Ka3 11. c7
Rd3 12. Rxb2 Rc3 13. Rb7
18 12:07 ++ 2. ... b5!!
18 16:12 0.33 2. ... b5 3. cxd3 Rb3+ 4. Ka2 Rc3 5.
dxc4 bxc4 6. Kb1 Kb4 7. Rd6 Ka3 8.
Rb6 a5 9. Rb8 Rg3 10. Kc2 c3 11. Rb3+
Ka2 12. Nd1 Rg2+ 13. Nf2 Rxf2+ 14.
Kxc3
18 16:16 2/11? 2. ... d2
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