Author: Paulo Soares
Date: 19:08:35 10/30/99
Go up one level in this thread
On October 30, 1999 at 11:32:03, James T. Walker wrote:
>Last night I let Rebel Century on the K6-3 play against Hiarcs 7.32 on the PII.
>This morning the 2nd game was on when I woke up and this position was reached
>with black (Hiarcs 7.32) to move.
>8/2RK2kp/8/3Q4/r5r1/8/8/8 b
>Here is what then happened. Hiarcs 7.32 at the 28 minute mark had found this
>variation: 45....Kf8 46 Kc8 Ra6 47 Rf7+ Kg8 48 Re7+ Kf8 49 Rd7 Rc4+ 50 Qxc4 Rb6
>51 Rf7+ Kg8 52 Re7+ Kf8 53 Rd7 Rc6+ +/- (#26) (Calling Mate in 26 on itself)
>Hiarcs did not stop here! At the 42 minute mark, Rebel gave up and reset itself
>which immediately caused it to crash. At the 45 minute mark Hiarcs reset itself
>and the GUI gave the message "Time out in game #2". I guess there is a limit
>even to a computer's patience!
>But that's not even the best part. Take a look at Hiarcs 7.32 variation. It is
>absolute nonsense. I guess the win goes to Rebel Century even though it does
>not have tablebases and there is a possibility it could have ended up with a
>Queen vs a rook ending which it cannot win.
>Jim Walker
Hi James,
After ...kh6, probable Hiarcs7.32 move without tablebases,
Rebel Century found a mate in 10 in my PII-300, look:
Thinking....
+---+---+---+---+---+---+---+---+ Pos 1 - End 1
8 | | | | | | | | |
+---+---+---+---+---+---+---+---+ 00:00:00 00:00:00
7 | | | R | K | | | | *p|
+---+---+---+---+---+---+---+---+
6 | | | | | | | | *K| Time fixed:
+---+---+---+---+---+---+---+---+ Hash 60 Mb
5 | | | | Q | | | | | Engine Rebel Century
+---+---+---+---+---+---+---+---+ Personality Rebel Century
4 | *R| | | | | | *R| | anti-GM Off
+---+---+---+---+---+---+---+---+ System Tiger Off
3 | | | | | | | | | Combination Off
+---+---+---+---+---+---+---+---+ Style Normal
2 | | | | | | | | | Strength Strongest
+---+---+---+---+---+---+---+---+ Search Normal Search
1 | | | | | | | | |
+---+---+---+---+---+---+---+---+
a b c d e f g h
8/2RK3p/7k/3Q4/r5r1/8/8/8 w - -
[Event "?"]
[Site "?"]
[Date "??.??.????"]
[Round "?"]
[White "Pos 1"]
[Black "End 1"]
[Result "*"]
[WhiteElo "?"]
[BlackElo "?"]
[FEN "8/2RK3p/7k/3Q4/r5r1/8/8/8 w - - 0 1"]
1.*
00:00:00 1.00 4.38 1.Ke6
00:00:00 1.01 4.70 1.Kd6
00:00:00 2.00 3.67 1.Kd6 Rg6+ 2.Kd7
00:00:00 2.01 3.72 1.Kd8 Ra8+ 2.Rc8
00:00:00 2.02 4.55 1.Kc8 Ra1
00:00:00 2.08 4.55 1.Qe6+
00:00:00 2.08 4.90 1.Qe6+ Kh5 2.Rc5+ Rg5 3.Qf7+ Kg4
4.Rxg5+ (0)
00:00:01 3.00 4.90 1.Qe6+ Kh5 2.Rc5+ Kh4 3.Qh6+ Kg3
4.Rc3+ Kf2 5.Rc2+ Kf1 6.Qxh7 (1)
00:00:01 4.00 4.90 1.Qe6+ Kh5 2.Rc5+ Rg5
00:00:02 5.00 4.81 1.Qe6+ Kh5 2.Qf5+ Kh6 3.Kc8 Rg8+
4.Kb7 Rb4+ 5.Ka6 (1)
00:00:02 5.01 4.81 1.Qh1+
00:00:02 5.01 5.56 1.Qh1+ Rh4 2.Qc6+ Kh5 3.Qd5+ Kg6
4.Rc6 Kg7 (2)
00:00:05 6.00 6.66 1.Qh1+ Kg5 2.Rc5+ Kg6 3.Rc6+
00:00:09 7.00 6.79 1.Qh1+ Kg5 2.Rc5+ Kg6 3.Rc6+
00:01:51 8.00 Mate in 10 moves 1.Qh1+ Kg5
Positions : 18.942.185
Nodes per second : 112.083
Extensions (checks) : 4.185.398 (22%)
Extensions (captures) : 102.652 (0%)
Extensions (king safety) : 29.394 (0%)
Extensions (on depth) : 42.005 (0%)
Extensions (remaining) : 887 (0%)
Extensions (total) : 4.360.336 (23%)
Hash Table : 1.611.364 795.785 (73%)
Average depth : 12
Deepest depth : 59
Paulo
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