Author: Ed Schröder
Date: 08:17:39 05/17/99
Go up one level in this thread
>Posted by Francis Monkman on May 16, 1999 at 20:10:14:
>
>Here's a good Mate in 9, which I've tried on a selection of engines:
>
>2n2r1k/1rqp2p1/2pR1p1p/1bP1p3/pP5R/P3P3/BB3PPP/3Q2K1 w - -
>
>The line goes:
>
>31. Rxh6+ gxh6 32. Qh5 Kg7 33. Qg4+ Kh7 34. Rxf6 Bd3 (or 34. Bb1+)
>35. Rxf8 Bg6 36. Bg8+ Kg7 37. Rf7+ Kxg8 38. Qxg6+ Kh8 39. Rh7++
>
>Almost all find 31. Rh6+ more or less immediately, although Hiarcs 7 would
>probably play 31. Bxe5 (also winning) at blitz. Times for Mate in 9 (200MHz):
>
>Junior 5 00:20
>LGG 2,0 00:27
>CSTal II 00:27 (giving a score of +34.60,
>not sure what
>this means)
>CM6000 00:30 (approx)
>Hiarcs 7 (180 MHz) 01:10 "White can mate in 13", it says, and remains
>content.
>Genius 6 01:30
>Crafty 16.6 03:00
>Fritz 5.32 11:14 Interesting...
>Der Bringer ?>30:00 Finds 31. Rxh6+ immediately -- I
>just love
>this GUI!
Rebel10.5 (default settings) needs 3 seconds on a PII-450.
Ed Schroder
|-----|-----|-----|-----|-----|-----|-----|-----| bm h4h6 id Player - REBEL.
8 | | | *N | | | *R | | *K |
|-----|-----|-----|-----|-----|-----|-----|-----| 00:00:00 00:00:00
7 | | *R | *Q | *p | | | *p | |
|-----|-----|-----|-----|-----|-----|-----|-----|
6 | | | *p | R | | *p | | *p | Time 1 min\move
|-----|-----|-----|-----|-----|-----|-----|-----| Hash 60 Mb
5 | | *B | p | | *p | | | | Engine REBEL10.5
|-----|-----|-----|-----|-----|-----|-----|-----|
4 | *p | p | | | | | | R | anti-GM Off
|-----|-----|-----|-----|-----|-----|-----|-----| System Tiger Off
3 | p | | | | p | | | | Combination Off
|-----|-----|-----|-----|-----|-----|-----|-----| Style Normal
2 | B | B | | | | p | p | p | Strength Strongest
|-----|-----|-----|-----|-----|-----|-----|-----| Search Normal Search
1 | | | | Q | | | K | |
|-----|-----|-----|-----|-----|-----|-----|-----|
a b c d e f g h
2n2r1k/1rqp2p1/2pR1p1p/1bP1p3/pP5R/P3P3/BB3PPP/3Q2K1 w - -
00:00:00 1.00 -1.99 Ba2-e6 d7xe6 Rd6xe6 (0)
00:00:00 1.01 -1.85 Ba2-d5 Nc8xd6 c5xd6 Qc7xd6 (0)
00:00:00 1.02 -1.70 Bb2xe5 f6xe5 (0)
00:00:00 1.09 -1.03 Ba2-c4 Bb5xc4 Rh4xc4 Nc8xd6 Qd1xd6 (0)
00:00:00 1.11 -0.96 e3-e4 Nc8xd6 Qd1xd6 (0)
00:00:00 1.26 -0.93 Ba2-b1 Nc8xd6 Qd1xd6 (0)
00:00:00 1.30 -0.89 Rh4-g4 Nc8xd6 Qd1xd6 (0)
00:00:00 1.44 0.79 Rd6-d2 (0)
00:00:00 2.00 0.74 Rd6-d2 Nc8-e7 (0)
00:00:00 3.00 0.81 Rd6-d2 f6-f5 Ba2-c4 (0)
00:00:00 4.00 0.75 Rd6-d2 f6-f5 e3-e4 Nc8-e7 (0)
00:00:01 5.00 0.66 Rd6-d2 Rf8-d8 f2-f4 d7-d5 c5xd6ep Rd8xd6 Qd1-c2 (0)
00:00:01 6.00 0.66 Rd6-d2 Rf8-d8 f2-f4 d7-d5 c5xd6ep Rd8xd6 Qd1-c2 (1)
00:00:02 6.04 0.66 Rh4xh6+ (2)
00:00:02 6.04 3.22 Rh4xh6+ g7xh6 Qd1-h5 Kh8-g7 Qh5-g4+ Kg7-h7 Rd6xf6 (2)
00:00:05 7.00 Mate in 11 moves Rh4xh6+ g7xh6 Qd1-h5 Kh8-g7 Qh5-g4+ Kg7-h7
Ba2-b1+ (3)
Positions : 561.202
Nodes per second : 112.240
Extensions (checks) : 77.979 (13%)
Extensions (captures) : 5.807 (1%)
Extensions (king safety) : 1.180 (0%)
Extensions (on depth) : 7.594 (1%)
Extensions (remaining) : 1.094 (0%)
Extensions (total) : 93.654 (16%)
Hash Table : 20.468 16.948 (3%)
Average depth : 8
Deepest depth : 57
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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