Author: Bernhard Bauer
Date: 04:28:45 08/29/05
Go up one level in this thread
On a simple Athlon XP 1800MHz
Crafty 19.20 gives with the following extensions
extension check 0.75
extension onerep 1.00
extension recapture 1.00
extension mate 1.00
11-> 1:05 -3.40 1. h5 Ng5 2. hxg6+ Kh8 3. Be3 Rgf8
4. Bf4 Rbc8 5. Qe3 Kg8 6. g4 Qb7 7.
Nxc6 Rxc6 8. Bxb5
12 1:31 -3.28 1. h5 Ng5 2. hxg6+ Kh8 3. Be3 Rgf8
4. Bf4 Rbc8 5. Qe3 Kg8 6. Ra6 Bb7 7.
Bxg5 Bxg5 8. Qxe6+ Qxe6 9. Rxe6
12 2:53 +1 1. Qxg6+!!
12 3:18 +3 1. Qxg6+!!
12 3:55 -0.52 1. Qxg6+ Kxg6 2. Bd3+ Kh5 3. g4+ Kxg4
4. Rg1+ Kh3 5. Bf1+ Kh2 6. Bg3+ Kxg1
7. Ra1 Ra8 8. Rd1 Ra1 9. Rxa1 Qa7 10.
Rb1 Qa1+ 11. Kxa1 Ra8+ 12. Kb2 f2 13.
Nxc6 Rf8 14. Bxb5+
12-> 4:00 -0.52 1. Qxg6+ Kxg6 2. Bd3+ Kh5 3. g4+ Kxg4
4. Rg1+ Kh3 5. Bf1+ Kh2 6. Bg3+ Kxg1
7. Ra1 Ra8 8. Rd1 Ra1 9. Rxa1 Qa7 10.
Rb1 Qa1+ 11. Kxa1 Ra8+ 12. Kb2 f2 13.
Nxc6 Rf8 14. Bxb5+
13 5:13 +1 1. Qxg6+!!
13 7:56 +3 1. Qxg6+!!
13 10:30 +M 1. Qxg6+!!
13 30:42 Mat15 1. Qxg6+ Kxg6 2. Bd3+ Kh5 3. g4+ Kxg4
4. Rg1+ Kh3 5. Bf1+ Kh2 6. Bg3+ Kxg1
7. Ra1 Ra8 8. Rb1 Ra1 9. Kxa1 Ra8+
10. Kb2 <HT>
13-> 30:46 Mat15 1. Qxg6+ Kxg6 2. Bd3+ Kh5 3. g4+ Kxg4
4. Rg1+ Kh3 5. Bf1+ Kh2 6. Bg3+ Kxg1
7. Ra1 Ra8 8. Rb1 Ra1 9. Kxa1 Ra8+
10. Kb2 <HT>
14 40:30 Mat15 1. Qxg6+ Kxg6 2. Bd3+ Kh5 3. g4+ Kxg4
4. Rg1+ Kh3 5. Bf1+ Kh2 6. Bg3+ Kxg1
7. Ra1 Ra8 8. Rb1 Ra1 9. Kxa1 Ra8+
10. Kb2 Ra1 11. Kxa1 Qa7+ 12. Kb2 Qa1+
13. Kxa1 Bg5 14. Bh3+ Bc1 15. Rxc1#
14-> 40:39 Mat15 1. Qxg6+ Kxg6 2. Bd3+ Kh5 3. g4+ Kxg4
4. Rg1+ Kh3 5. Bf1+ Kh2 6. Bg3+ Kxg1
7. Ra1 Ra8 8. Rb1 Ra1 9. Kxa1 Ra8+
10. Kb2 Ra1 11. Kxa1 Qa7+ 12. Kb2 Qa1+
13. Kxa1 Bg5 14. Bh3+ Bc1 15. Rxc1#
time=45:00 mat=-5 n=3091018887 fh=89% nps=1.14M
ext-> chk=178894603 cap=5495777 1rep=26997173 mate=7331120
predicted=0 nodes=3091018887 evals=173577549 50move=0
endgame tablebase-> probes=0 hits=0
hashing-> 8%(raw) 7%(depth) 99%(sat) 99%(pawn)
hashing-> 0%(exact) 6%(lower) 0%(upper)
SMP-> split=0 stop=0 data=0/32 elap=45:00
mate in 15 moves.
Note that Qxg6+ is found in 2:53 to 3:40 from Classic 2005
on Hardware running at 1.14M nps compared to 4.59M nps.
Kind regards
Bernhard
On August 28, 2005 at 13:05:36, Mike Byrne wrote:
>CCC arhives indicated no pc program was able to solve this in the late 90's. In
>2002, Ruffian was reported to solve fairly quickly.
>
>Crafty Classic 2005
>Black(1): [d]1r4r1/3q1npk/2b1pbnp/Rp1p4/1N1P3P/2PQ1pP1/1K3B2/5B1R w - - 0 1
>
>White(1): st 60000
>search time set to 60000.00.
>White(1): g
> time surplus 28.68 time limit 1000:00 (1000:00)
> depth time score variation (1)
> 1 0.00 -5.47 1. Nxc6 Qxc6 2. Qxf3
> 1-> 0.00 -5.47 1. Nxc6 Qxc6 2. Qxf3
> 2 0.00 -5.47 1. Nxc6 Qxc6 2. Qxf3
> 2 0.00 +1 1. h5!!
> 2 0.00 -4.91 1. h5 Bxd4 2. Qxd4
> 2-> 0.02 -4.91 1. h5 Bxd4 2. Qxd4
> 3 0.02 +1 1. h5!!
> 3 0.02 +3 1. h5!!
> 3 0.02 -3.38 1. h5 Kh8 2. Nxc6
> 3-> 0.02 -3.38 1. h5 Kh8 2. Nxc6
> 4 0.02 -3.35 1. h5 Kh8 2. hxg6 Ng5 3. Nxc6 Qxc6
> 4-> 0.02 -3.35 1. h5 Kh8 2. hxg6 Ng5 3. Nxc6 Qxc6
> 5 0.03 -3.26 1. h5 Ng5 2. hxg6+ Kh8 3. Qe3 Rgf8
> 4. Qf4
> 5-> 0.03 -3.26 1. h5 Ng5 2. hxg6+ Kh8 3. Qe3 Rgf8
> 4. Qf4
> 6 0.05 -3.30 1. h5 Ng5 2. hxg6+ Kh8 3. Qe3 Rgc8
> 4. Nxc6 Qxc6 5. Ra7
> 6-> 0.07 -3.30 1. h5 Ng5 2. hxg6+ Kh8 3. Qe3 Rgc8
> 4. Nxc6 Qxc6 5. Ra7 (s=2)
> 7 0.11 -3.35 1. h5 Ng5 2. hxg6+ Kh8 3. Qe3 Rgc8
> 4. Kb1 Qc7 5. Nxc6 Qxc6
> 7-> 0.14 -3.35 1. h5 Ng5 2. hxg6+ Kh8 3. Qe3 Rgc8
> 4. Kb1 Qc7 5. Nxc6 Qxc6
> 8 0.25 -3.35 1. h5 Ng5 2. hxg6+ Kh8 3. Qe3 Rgc8
> 4. Kb1 Qc7 5. Nxc6 Qxc6 6. Ra3
> 8-> 0.43 -3.35 1. h5 Ng5 2. hxg6+ Kh8 3. Qe3 Rgc8
> 4. Kb1 Qc7 5. Nxc6 Qxc6 6. Ra3 (s=2)
> 9 0.96 -3.55 1. h5 Ng5 2. hxg6+ Kh8 3. Ra7 Qxa7
> 4. Nxc6 Qc7 5. Nxb8 Rxb8 6. Kb1
> 9-> 2.24 -3.55 1. h5 Ng5 2. hxg6+ Kh8 3. Ra7 Qxa7
> 4. Nxc6 Qc7 5. Nxb8 Rxb8 6. Kb1 (s=4)
> 10 4.21 -3.54 1. h5 Ng5 2. hxg6+ Kh8 3. Ra6 Bb7 4.
> Ra7 Qc7 5. Qe3 Rgc8 6. Bxb5 Ne4 7.
> Qxf3 Nxc3 (s=3)
> 10-> 7.91 -3.54 1. h5 Ng5 2. hxg6+ Kh8 3. Ra6 Bb7 4.
> Ra7 Qc7 5. Qe3 Rgc8 6. Bxb5 Ne4 7.
> Qxf3 Nxc3
> 11 13.83 -3.40 1. h5 Ng5 2. hxg6+ Kh8 3. Be3 Rgf8
> 4. Bf4 Rbc8 5. Qe3 Kg8 6. g4 Qb7 7.
> Nxc6 Rxc6 8. Bxb5
> 11-> 23.41 -3.40 1. h5 Ng5 2. hxg6+ Kh8 3. Be3 Rgf8
> 4. Bf4 Rbc8 5. Qe3 Kg8 6. g4 Qb7 7.
> Nxc6 Rxc6 8. Bxb5 (s=2)
> 12 37.93 -3.28 1. h5 Ng5 2. hxg6+ Kh8 3. Be3 Rgf8
> 4. Bf4 Rbc8 5. Qe3 Kg8 6. Ra6 Bb7 7.
> Bxg5 Bxg5 8. Qxe6+ Qxe6 9. Rxe6
> 12-> 52.88 -3.28 1. h5 Ng5 2. hxg6+ Kh8 3. Be3 Rgf8
> 4. Bf4 Rbc8 5. Qe3 Kg8 6. Ra6 Bb7 7.
> Bxg5 Bxg5 8. Qxe6+ Qxe6 9. Rxe6
> 13 1:58 -3.24 1. h5 Kh8 2. hxg6 Ng5 3. Be3 Rgf8 4.
> Bf4 <HT>
> 13 3:40 +1 1. Qxg6+!!
> 13 4:04 +3 1. Qxg6+!!
> 13 4:23 +M 1. Qxg6+!!
> 13 4:40 0.14 1. Qxg6+ Kxg6 2. Bd3+ Kh5 3. g4+ Kxg4
> 4. Rg1+ Kh3 5. Bf1+ Kh2 6. Bg3+ Kxg1
> 7. Ra1 Ra8 8. Rb1 Ra1 9. Kxa1 Ra8+
> 10. Na2 Rxa2+ 11. Kxa2 Qa7+ 12. Kb2
> Qa3+ 13. Kxa3 Be7+ 14. Kb3 f2 15. Bh3+
> f1=Q 16. Rxf1#
> 13-> 4:40 0.14 1. Qxg6+ Kxg6 2. Bd3+ Kh5 3. g4+ Kxg4
> 4. Rg1+ Kh3 5. Bf1+ Kh2 6. Bg3+ Kxg1
> 7. Ra1 Ra8 8. Rb1 Ra1 9. Kxa1 Ra8+
> 10. Na2 Rxa2+ 11. Kxa2 Qa7+ 12. Kb2
> Qa3+ 13. Kxa3 Be7+ 14. Kb3 f2 15. Bh3+
> f1=Q 16. Rxf1# (s=3)
> 14 5:54 +1 1. Qxg6+!!
> 14 7:19 +3 1. Qxg6+!!
> 14 9:42 +M 1. Qxg6+!!
> 14 26:48 Mat15 1. Qxg6+ Kxg6 2. Bd3+ Kh5 3. g4+ Kxg4
> 4. Rg1+ Kh3 5. Bf1+ Kh2 6. Bg3+ Kxg1
> 7. Ra1 Ra8 8. Rb1 Ra1 9. Kxa1 Ra8+
> 10. Kb2 Ra1 11. Kxa1 Qa7+ 12. Kb2 Qa1+
> 13. Kxa1 f2 14. Bh3+ f1=Q 15. Rxf1#
> (s=2)
> 14-> 26:51 Mat15 1. Qxg6+ Kxg6 2. Bd3+ Kh5 3. g4+ Kxg4
> 4. Rg1+ Kh3 5. Bf1+ Kh2 6. Bg3+ Kxg1
> 7. Ra1 Ra8 8. Rb1 Ra1 9. Kxa1 Ra8+
> 10. Kb2 Ra1 11. Kxa1 Qa7+ 12. Kb2 Qa1+
> 13. Kxa1 f2 14. Bh3+ f1=Q 15. Rxf1#
> 15 83:34 Mat15 1. Qxg6+ Kxg6 2. Bd3+ Kh5 3. g4+ Kxg4
> 4. Rg1+ Kh3 5. Bf1+ Kh2 6. Bg3+ Kxg1
> 7. Ra1 Ra8 8. Rb1 Ra1 9. Kxa1 Ra8+
> 10. Kb2 Ra1 11. Kxa1 Qa7+ 12. Kb2 Qa1+
> 13. Kxa1 f2 14. Bh3+ f1=Q 15. Rxf1#
> 15-> 84:01 Mat15 1. Qxg6+ Kxg6 2. Bd3+ Kh5 3. g4+ Kxg4
> 4. Rg1+ Kh3 5. Bf1+ Kh2 6. Bg3+ Kxg1
> 7. Ra1 Ra8 8. Rb1 Ra1 9. Kxa1 Ra8+
> 10. Kb2 Ra1 11. Kxa1 Qa7+ 12. Kb2 Qa1+
> 13. Kxa1 f2 14. Bh3+ f1=Q 15. Rxf1#
> 16 155:57 Mat15 1. Qxg6+ Kxg6 2. Bd3+ Kh5 3. g4+ Kxg4
> 4. Rg1+ Kh3 5. Bf1+ Kh2 6. Bg3+ Kxg1
> 7. Ra1 Ra8 8. Rb1 Ra1 9. Kxa1 Ra8+
> 10. Kb2 Ra1 11. Kxa1 Qa7+ 12. Kb2 Qa1+
> 13. Kxa1 f2 14. Bh3+ f1=Q 15. Rxf1#
> 16-> 157:54 Mat15 1. Qxg6+ Kxg6 2. Bd3+ Kh5 3. g4+ Kxg4
> 4. Rg1+ Kh3 5. Bf1+ Kh2 6. Bg3+ Kxg1
> 7. Ra1 Ra8 8. Rb1 Ra1 9. Kxa1 Ra8+
> 10. Kb2 Ra1 11. Kxa1 Qa7+ 12. Kb2 Qa1+
> 13. Kxa1 f2 14. Bh3+ f1=Q 15. Rxf1#
>? 17 710:30 1/44* 1. Qxg6+
>White(1): ?
> time=710:35 mat=-5 n=195820743468 fh=93% nps=4.59M
> ext-> chk=-97390014 cap=129451010 1rep=1883001635 mate=80428317
> predicted=0 nodes=195820743468 evals=1321303848 50move=0
> endgame tablebase-> probes=0 hits=0
> SMP-> split=6122 stop=1571 data=11/64 elap=710:35
>
>mate in 15 moves.
>
>
>White(1): Qxg6+
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