Author: Bernhard Bauer
Date: 09:06:39 11/08/05
Go up one level in this thread
On November 08, 2005 at 11:11:04, Will Singleton wrote:
>On November 08, 2005 at 02:48:44, Bernhard Bauer wrote:
>
>>On November 08, 2005 at 01:21:03, Will Singleton wrote:
>>
>>>On November 07, 2005 at 17:14:45, Rob Basham wrote:
>>>
>>>>[D]6r1/p1pq1p1p/1p1p1Qnk/3PrR2/2n1P1PP/P1P5/4R3/6K1 w - - 0 1
>>>>
>>>>Well, it is easy for Fidelity Mach 3.....:-)
>>>>
>>>>Mach 3 at level one finds all the correct moves to this mate in 11....!
>>>>
>>>>Beginning with....Rh5+
>>>>
>>>>How does your machine do on this one...?
>>>>
>>>>Rob
>>>
>>>Oddly, Crafty 20.0 bh cannot solve this. Bug? does it happen in the latest
>>>crafty?
>>
>>
>>
>>Hi,
>>on my system Crafty v20.0 BH finds mate in 11 easily
>>same for v20.1
>>
>> 8-> 0.63 0.01 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
>> Kh5 4. Rh2+ Kg4 5. Rg2+ Kh4 6. Qf2+
>> Kh5 7. Qe2+ Kh4 8. Qf2+
>> 9 0.66 +1 1. Rh5+!!
>> 9 0.66 +3 1. Rh5+!!
>> 9 0.67 +M 1. Rh5+!!
>> 9 0.74 Mat11 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
>> Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
>> Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
>> Ke5 10. Re2+ Ne3 11. Rxe3#
>> 9-> 0.82 Mat11 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
>> Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
>> Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
>> Ke5 10. Re2+ Ne3 11. Rxe3#
>>
>>
>>
>>Kind regards
>>Bernhard
>
>So, of the four results for crafty posted here, two cannot find it, one takes a
>long time, and yours finds < 1 sec. I wonder what's going on?
>
>My setup is a p4 2.8ghz, now using crafty 20.1 bh, the rc file sets the hash to
>96mb, and the phash to 6mb. Winboard 4.26.
>
>Will
Ok Will,
I ran the position again for 10 sec. Here is the full output.
As you can see I changed the extensions somewhat in crafty.rc.
Kind regards
Bernhard
one-reply extension..................0.75
in-check extension...................0.60
recapture extension..................0.75
mate thrt extension..................0.50
5 piece tablebase files found
13980kb of RAM used for TB indices and decompression tables
EGTB cache memory = 8M bytes.
Crafty v20.1 BH
White(1): noise level set to 1000.
White(1): pondering disabled.
White(1): book file disabled.
White(1): book learning disabled
result learning disabled
position learning disabled
White(1): White(1): null depth set to 2/3 (min/max)
White(1): hash table memory = 192M bytes.
White(1): pawn hash table memory = 16M bytes.
White(1): search time set to 10.00.
White(1): White(1):
+---+---+---+---+---+---+---+---+
8 | | . | | . | | . |<R>| . |
+---+---+---+---+---+---+---+---+
7 |<P>| |<P>|<Q>| . |<P>| . |<P>|
+---+---+---+---+---+---+---+---+
6 | |<P>| |<P>| |-Q-|<N>|<K>|
+---+---+---+---+---+---+---+---+
5 | . | | . |-P-|<R>|-R-| . | |
+---+---+---+---+---+---+---+---+
4 | | . |<N>| . |-P-| . |-P-|-P-|
+---+---+---+---+---+---+---+---+
3 |-P-| |-P-| | . | | . | |
+---+---+---+---+---+---+---+---+
2 | | . | | . |-R-| . | | . |
+---+---+---+---+---+---+---+---+
1 | . | | . | | . | |-K-| |
+---+---+---+---+---+---+---+---+
a b c d e f g h
White(1): clearing hash tables
time surplus 0.00 time limit 10.00 (+0.00) (10.00)
depth time score variation (1)
1 0.00 -6.91 1. Qxf7 Qxf7 2. Rxf7 Nxh4
1 0.00 -6.06 1. g5+ Kh5 2. Qxf7 Qxf7 3. Rxf7 Kxh4
4. Rxh7+ Kxg5 5. Rxc7
1-> 0.03 -6.06 1. g5+ Kh5 2. Qxf7 Qxf7 3. Rxf7 Kxh4
4. Rxh7+ Kxg5 5. Rxc7
2 0.05 -6.06 1. g5+ Kh5 2. Qxf7 Qxf7 3. Rxf7 Kxh4
4. Rxh7+ Kxg5 5. Rxc7
2-> 0.06 -6.06 1. g5+ Kh5 2. Qxf7 Qxf7 3. Rxf7 Kxh4
4. Rxh7+ Kxg5 5. Rxc7
3 0.10 -6.06 1. g5+ Kh5 2. Qxf7 Qxf7 3. Rxf7 Kxh4
4. Rxh7+ Kxg5 5. Rxc7
3 0.11 -5.93 1. h5 Rxf5 2. exf5 Nxa3 3. fxg6 hxg6
3-> 0.13 -5.93 1. h5 Rxf5 2. exf5 Nxa3 3. fxg6 hxg6
4 0.13 -5.93 1. h5 Rxf5 2. exf5 Nxa3 3. fxg6 hxg6
4-> 0.14 -5.93 1. h5 Rxf5 2. exf5 Nxa3 3. fxg6 hxg6
5 0.17 -5.78 1. h5 Rxf5 2. exf5 Nxa3 3. Rh2 Re8
4. hxg6#
5-> 0.22 -5.78 1. h5 Rxf5 2. exf5 Nxa3 3. Rh2 Re8
4. hxg6#
6 0.30 -5.56 1. h5 Qe7 2. hxg6 Qxf6 3. Rxf6 fxg6
4. a4
6-> 0.35 -5.56 1. h5 Qe7 2. hxg6 Qxf6 3. Rxf6 fxg6
4. a4
7 0.49 -5.76 1. h5 Qe7 2. hxg6 Qxf6 3. Rxf6 fxg6
4. a4 Kg5
7 0.53 -5.27 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
Kh5 4. Rh2+ Kg4 5. Rg2+ Kh3 6. Qf3+
Kh4 7. Qg3+ Kh5 8. Rh2+ Nh4 9. Rxh4+
7-> 0.60 -5.27 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
Kh5 4. Rh2+ Kg4 5. Rg2+ Kh3 6. Qf3+
Kh4 7. Qg3+ Kh5 8. Rh2+ Nh4 9. Rxh4+
8 0.63 +1 1. Rh5+!!
8 0.63 +3 1. Rh5+!!
8 0.64 +M 1. Rh5+!!
8 0.67 0.01 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
Kh5 4. Rh2+ Kg4 5. Rg2+ Kh4 6. Qf2+
Kh5 7. Qe2+ Kh4 8. Qf2+
8-> 0.75 0.01 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
Kh5 4. Rh2+ Kg4 5. Rg2+ Kh4 6. Qf2+
Kh5 7. Qe2+ Kh4 8. Qf2+
9 0.77 +1 1. Rh5+!!
9 0.78 +3 1. Rh5+!!
9 0.80 +M 1. Rh5+!!
9 0.88 Mat11 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
Ke5 10. Re2+ Ne3 11. Rxe3#
9-> 0.95 Mat11 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
Ke5 10. Re2+ Ne3 11. Rxe3#
10 1.08 Mat11 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
Ke5 10. Re2+ Ne3 11. Rxe3#
10-> 1.41 Mat11 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
Ke5 10. Re2+ Ne3 11. Rxe3#
11 1.61 Mat11 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
Ke5 10. Re2+ Ne3 11. Rxe3#
11-> 1.99 Mat11 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
Ke5 10. Re2+ Ne3 11. Rxe3#
12 2.44 Mat11 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
Ke5 10. Re2+ Ne3 11. Rxe3#
12-> 3.05 Mat11 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
Ke5 10. Re2+ Ne3 11. Rxe3#
13 3.89 Mat11 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
Ke5 10. Re2+ Ne3 11. Rxe3#
13-> 5.13 Mat11 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
Ke5 10. Re2+ Ne3 11. Rxe3#
14 6.91 Mat11 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
Ke5 10. Re2+ Ne3 11. Rxe3#
14-> 8.85 Mat11 1. Rh5+ Rxh5 2. g5+ Rxg5+ 3. hxg5+
Kh5 4. Rh2+ Nh4 5. Qh6+ Kg4 6. Qxh4+
Kf3 7. Rf2+ Ke3 8. Qg3+ Kxe4 9. Qf3+
Ke5 10. Re2+ Ne3 11. Rxe3#
time=10.00 mat=-6 n=10107277 fh=98% nps=1.01M
ext-> chk=989279 cap=10820 1rep=70426 mate=6677
predicted=0 nodes=10107277 evals=5473736 50move=0
endgame tablebase-> probes=0 hits=0
mate in 11 moves.
White(1): Rh5+
time used: 10.03
Black(1):
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
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