Test Position: Bh7+!!

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Philippe

Re: Test Position: Bh7+!!

Post by Philippe »

Naum 4 MP (Intel core 2 cpu 6300) Gui : Arena 2.0.1

18/57 07:17 687.495.099 1.572.876 +7,09
Bh7+ Kxh7 Qh5+ Kg8 Kg2 dxc4 Rh1 Qd5+ f3 Qd2+ Kg3 Qxg5+ Qxg5 f6 Qd2 Rd8 Qxd8 fxe5
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jdart
Posts: 4367
Joined: Fri Mar 10, 2006 5:23 am
Location: http://www.arasanchess.org

Re: Test Position: Bh7+!!

Post by jdart »

Arasan lastest build, Q6700, 512MB hash, 38.47 seconds:

bm Bh7+
0 0.00 cxb5 -1.90 2
0 0.00 cxd5 -0.58 4
1 0.00 cxd5 -1.06 83
1 0.01 Rxd5 -0.58 215
2 0.01 Rxd5! -0.08 768
2 0.01 Rxd5 +0.02 965
3 0.01 Rxd5 -0.22 2912
4 0.01 Rxd5 -0.06 5305
5 0.01 Rxd5 -0.14 9259
6 0.06 Rxd5 -0.32 42820
6 0.09 Qh5 -0.24 112709
7 0.17 Qh5 +0.00 194451
7 0.22 Rxd5! +0.26 305988
7 0.26 Rxd5 +0.46 380352
8 0.33 Rxd5 +0.32 488766
9 0.70 Qh5 +0.00 1334042
10 1.08 Qh5 +0.00 2147195
10 2.04 cxd5 +0.02 4246938
11 3.42 cxd5 -0.06 7243845
11 4.53 Qh5 +0.00 9809105
12 7.09 Qh5 +0.00 15640668
12 9.79 Rxd5 +0.28 21919505
13 13.14 Rxd5 +0.20 29187993
14 25.75 Rxd5 +0.09 57456335
14 38.47 Bh7+! +0.70 87281550
14 44.78 Bh7+ +1.60 101401114
15 56.53 Bh7+! +2.10 128322578
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ernest
Posts: 2041
Joined: Wed Mar 08, 2006 8:30 pm

Re: Test Position: Bh7+!!

Post by ernest »

royb wrote:Now, after 20 full minutes on my quad, no further output. Roy
Just be a little more patient... :) It's one of those positions...
New game
r3nrk1/p4pp1/8/1pqpN1P1/2P5/8/1PB1QP2/3R2K1 w - - 0 1
Analysis by Rybka 3 32-bit:
...........
1.Bh7+
+- (2.79 !) Depth: 13 00:00:28 2874kN
1.Bh7+
+- (4.39 !) Depth: 13 00:00:38 3713kN
1.Bh7+
+- (5.23) Depth: 13 00:01:02 6148kN
1.Bh7+
+- (9.01) Depth: 14 00:34:52 523mN, tb=67
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bob
Posts: 20943
Joined: Mon Feb 27, 2006 7:30 pm
Location: Birmingham, AL

Re: Test Position: Bh7+!!

Post by bob »

core2 duo 2.0ghz laptop:

Code: Select all

               16    27.27   0.29   1. Qh5 g6 2. Nxg6 Qxf2+ 3. Kxf2 fxg6+
                                    4. Qf3 Rxf3+ 5. Kxf3 dxc4 6. Bxg6 Ng7
                                    7. Be4 Rf8+ 8. Ke2 a5 9. Bd5+ Kh7 10.
                                    Bc6 Rf5 11. Be4 (s=13)
               16    31.31     +1   1. Bh7+!                         
               16    32.22     +3   1. Bh7+!                         
               16    32.98     +M   1. Bh7+!                         
               16    35.66   4.40   1. Bh7+ Kxh7 2. Qh5+ Kg8 3. Kg2 g6
                                    4. Qh6 Ng7 5. Rh1 Nh5 6. Rxh5 gxh5
                                    7. Nd7 f5 8. Nxc5 dxc4 9. Qg6+ Kh8
                                    10. Qxh5+ Kg8 (s=12)
               16->  38.67   4.40   1. Bh7+ Kxh7 2. Qh5+ Kg8 3. Kg2 g6
                                    4. Qh6 Ng7 5. Rh1 Nh5 6. Rxh5 gxh5
                                    7. Nd7 f5 8. Nxc5 dxc4 9. Qg6+ Kh8
On my usual dual quad-core 2.33ghz box:

Code: Select all

               16     7.51   0.33   1. Qh5 g6 2. Nxg6 Qxf2+ 3. Kxf2 fxg6+
                                    4. Qf3 Rxf3+ 5. Kxf3 dxc4 6. Bxg6 Ng7
                                    7. Rd7 Rf8+ 8. Kg4 a5 9. Be4 Ne6 10.
                                    Bc6 Rf4+ 11. Kg3 (s=11)
               16     9.09     +1   1. Bh7+!                          
               16     9.28     +3   1. Bh7+!                          
               16     9.72     +M   1. Bh7+!                          
               16    10.47   4.75   1. Bh7+ Kxh7 2. Qh5+ Kg8 3. Kg2 dxc4
                                    4. Rh1 Qd5+ 5. f3 Qd2+ 6. Kg3 Qxg5+
                                    7. Qxg5 f6 8. Rh8+ Kxh8 9. Ng6+ Kg8
                                    10. Qh5 Kf7 11. Nxf8+ Ke7 12. Ng6+
                                    Kd6 13. Qxb5 (s=10)
               16->  11.06   4.75   1. Bh7+ Kxh7 2. Qh5+ Kg8 3. Kg2 dxc4
                                    4. Rh1 Qd5+ 5. f3 Qd2+ 6. Kg3 Qxg5+
                                    7. Qxg5 f6 8. Rh8+ Kxh8 9. Ng6+ Kg8
                                    10. Qh5 Kf7 11. Nxf8+ Ke7 12. Ng6+
                                    Kd6 13. Qxb5 (s=2)
               17    13.31   4.85   1. Bh7+ Kxh7 2. Qh5+ Kg8 3. Kg2 dxc4
                                    4. Rh1 Qd5+ 5. f3 Qd2+ 6. Kg3 Qxg5+
                                    7. Qxg5 f6 8. Rh8+ Kxh8 9. Ng6+ Kg8
                                    10. Qh5 Kf7 11. Nxf8+ Kxf8 12. Qc5+
                                    Kf7 13. Qd5+ Kg6 14. Qxa8
               17->  14.39   4.85   1. Bh7+ Kxh7 2. Qh5+ Kg8 3. Kg2 dxc4
                                    4. Rh1 Qd5+ 5. f3 Qd2+ 6. Kg3 Qxg5+
                                    7. Qxg5 f6 8. Rh8+ Kxh8 9. Ng6+ Kg8
                                    10. Qh5 Kf7 11. Nxf8+ Kxf8 12. Qc5+
                                    Kf7 13. Qd5+ Kg6 14. Qxa8
               18    15.19     +1   1. Bh7+!                          
               18    19.61   5.99   1. Bh7+ Kxh7 2. Qh5+ Kg8 3. Kg2 dxc4
                                    4. Rh1 Qd5+ 5. f3 Qd2+ 6. Kg3 Qxg5+
                                    7. Qxg5 f6 8. Qd2 Nc7 9. Ng6 Rfd8 10.
                                    Rh8+ Kf7 11. Rxd8 Kxg6 12. Rd7 Ne6
                                    10. Qxh5+ Kg8 (s=2)
               17    39.90     +1   1. Bh7+!                         
               17    48.27   5.37   1. Bh7+ Kxh7 2. Qh5+ Kg8 3. Kg2 g6
                                    4. Qh6 Ng7 5. Rh1 Nh5 6. Rxh5 gxh5
                                    7. Nd7 f6 8. Nxc5 bxc4 9. Qg6+ Kh8
                                    10. Qxh5+ Kg8 11. Qg6+ Kh8 12. gxf6
               17->  54.06   5.37   1. Bh7+ Kxh7 2. Qh5+ Kg8 3. Kg2 g6
                                    4. Qh6 Ng7 5. Rh1 Nh5 6. Rxh5 gxh5
                                    7. Nd7 f6 8. Nxc5 bxc4 9. Qg6+ Kh8
                                    10. Qxh5+ Kg8 11. Qg6+ Kh8 12. gxf6
               18    57.53     +1   1. Bh7+!                         
               18     1:10   5.99   1. Bh7+ Kxh7 2. Qh5+ Kg8 3. Kg2 dxc4
                                    4. Rh1 Qd5+ 5. f3 Qd2+ 6. Kg3 Qxg5+
                                    7. Qxg5 f6 8. Qd2 Nc7 9. Ng6 Rfd8 10.
                                    Rh8+ Kf7 11. Rxd8 Kxg6 12. Rd7 Ne6
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Joerg Oster
Posts: 939
Joined: Fri Mar 10, 2006 4:29 pm
Location: Germany
Full name: Jörg Oster

Re: Test Position: Bh7+!!

Post by Joerg Oster »

AdminX wrote:Which Onno did you use? 32 or 64 bit?
Onno 64 bit on Q6600@2.8GHz, 1024 MB Hash
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Spock

Re: Test Position: Bh7+!!

Post by Spock »

Deep Shredder 11 on my old Quad Opteron finds it

11/34 0:00 +0.44 1.Qh5 g6 2.Nxg6 Qxf2+ 3.Kxf2 fxg6+ 4.Qf3 dxc4 5.Bxg6 Ng7 6.Rd5 Rxf3+ 7.Kxf3 b4 8.Rd7 Rf8+ 9.Ke4 Ne6 10.Rxa7 Nxg5+ 11.Kd5 Rf4 (1.861.796) 2021 SB:16
12/39 0:01 +0.66 1.Qh5 g6 2.Nxg6 Qxf2+ 3.Kxf2 fxg6+ 4.Qf3 dxc4 5.Bxg6 Ng7 6.Rd5 Rxf3+ 7.Kxf3 b4 8.Ke4 Rc8 9.Rb5 Ne6 10.Rxb4 Nxg5+ 11.Kd5 Kg7 (3.857.631) 2245 SB:63
13/38 0:03 +0.55 1.Qh5 g6 2.Nxg6 Qxf2+ 3.Kxf2 fxg6+ 4.Qf3 dxc4 5.Bxg6 Ng7 6.Rd5 Rxf3+ 7.Kxf3 b4 8.Ke4 Rc8 9.Ke5 (7.294.918) 2358 SB:208
14/40 0:07 +0.79 1.Qh5 Qc7 (17.309.544) 2456 SB:1.343
15/45 0:13 +0.73 1.Qh5 g6 2.Nxg6 Qxf2+ 3.Kxf2 fxg6+ 4.Qf3 dxc4 5.Bxg6 Ng7 6.Rd5 Rxf3+ 7.Kxf3 b4 8.Ke4 Rc8 9.Ke5 c3 10.bxc3 bxc3 11.Bc2 Kf8 12.Rd7 Re8+ 13.Kd5 (34.771.808) 2508 SB:3.463
16/46 0:44 +0.52 1.Qh5 g6 2.Nxg6 Qxf2+ 3.Kxf2 fxg6+ 4.Qf3 dxc4 5.Bxg6 Ng7 6.Rd5 Rxf3+ 7.Kxf3 b4 8.Ke4 Rc8 9.Ke5 c3 10.bxc3 bxc3 11.Bc2 Re8+ 12.Kd4 (113.257.089) 2537 SB:6.490
16/51 1:13 +0.87 1.Qd3 f5 (186.029.759) 2538 SB:7.408
17/52 3:21 +0.95 1.Qd3 f5 (534.472.445) 2647 SB:14.128
17/52 12:22 +6.72 1.Bh7+ Kxh7 2.Qh5+ Kg8 3.Kg2 Qe7 4.Rh1 Qxg5+ 5.Qxg5 f6 6.Rh8+ Kxh8 7.Ng6+ Kg8 8.Qxd5+ Rf7 9.Qxa8 Kh7 10.Qxe8 Kxg6 11.Qxb5 Re7 12.Kf3 Re5 13.Qd7 a5 14.Kf4 (2.114.536.504) 2847 SB:4.010.034
18/51 12:58 +6.78 1.Bh7+ Kxh7 2.Qh5+ Kg8 3.Kg2 Qe7 4.Rh1 Qxg5+ 5.Qxg5 f6 6.Rh8+ Kxh8 7.Ng6+ Kg8 8.Qxd5+ Rf7 9.Qxa8 Kh7 10.Qxe8 Kxg6 11.Qxb5 Re7 12.Kf3 Re1 13.Qc5 Ra1 14.Qe7 (2.223.059.734) 2856 SB:4.133.293
19/55 14:16 +6.99 1.Bh7+ Kxh7 2.Qh5+ Kg8 3.Kg2 Qe7 4.Rh1 Qxg5+ 5.Qxg5 f6 6.Rh8+ Kxh8 7.Ng6+ Kg8 8.Qxd5+ Rf7 9.Qxa8 Kh7 10.Qxe8 Kxg6 11.Qxb5 Re7 12.Kf3 Re1 13.Qc5 Ra1 14.b4 (2.458.761.209) 2869 SB:4.412.949
best move: Bc2-h7 time: 17:57.235 min n/s: 2.900.020 CPU 399.1% n/s(1CPU): 726.639 nodes: 3.123.910.636 SB: 4.823.470
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Spock

Re: Test Position: Bh7+!!

Post by Spock »

Hiarcs 12.1 MP finds it instantly

9/28 0:00 0.00 1.Qh5 g6 2.Qh6 Qe7 3.Nc6 Qd6 4.cxb5 Nc7 5.Kg2 Qe6 6.Rh1 Qg4+ 7.Kf1 Qc4+ 8.Kg1 (483.168) 742
10/28 0:00 +0.25++ 1.Qh5 (620.699) 908
10/31 0:00 +0.85 1.Qh5 g6 2.Qh6 Qe7 3.Nc6 Qe6 4.cxd5 (906.131) 981
11/31 0:01 +0.85 1.Qh5 g6 2.Qh6 Qe7 3.Nc6 Qd6 4.cxb5 Ng7 5.Rxd5 Qe6 6.Rd4 f5 7.gxf6 Qe1+ 8.Kg2 Rxf6 9.Rf4 Rxf4 10.Qxf4 (1.320.436) 1033
11/31 0:01 +0.87 1.Bh7+ (1.725.849) 1103
11/31 0:01 +1.10++ 1.Bh7+ (1.753.909) 1103
11/41 0:02 +3.35 1.Bh7+ Kxh7 2.Qh5+ Kg8 3.Kg2 dxc4 4.Rh1 Qd5+ 5.f3 Qd2+ 6.Kg3 Qxg5+ 7.Qxg5 f6 8.Rh8+ Kxh8 9.Ng6+ Kg8 10.Qd5+ Rf7 11.Qxa8 Kh7 12.Qxe8 Kxg6 13.Qxb5 Rc7 (2.556.789) 1198
12/41 0:02 +3.60++ 1.Bh7+ (2.786.179) 1198
12/41 0:02 +5.32 1.Bh7+ Kxh7 2.Qh5+ Kg8 3.Kg2 g6 4.Qh6 Ng7 5.Nd7 Qc6 6.Nf6+ Qxf6 7.gxf6 Nf5 8.Qh3 Ng7 9.fxg7 Kxg7 10.Qc3+ f6 11.cxb5 Rfc8 12.Qa3 (3.371.783) 1232
13/41 0:03 +5.57++ 1.Bh7+ (4.023.003) 1247
13/41 0:03 +5.57 1.Bh7+ Kxh7 2.Qh5+ Kg8 3.Kg2 dxc4 4.Rh1 Qd5+ (4.893.120) 1292
14/41 0:04 +5.82++ 1.Bh7+ (6.170.522) 1321
14/42 0:10 +7.20 1.Bh7+ Kxh7 2.Qh5+ Kg8 3.Kg2 g6 4.Qh6 (15.315.199) 1430
best move: Bc2-h7 time: 0:15.547 min n/s: 1.444.651 nodes: 20.575.703
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Allard Siemelink
Posts: 297
Joined: Fri Jun 30, 2006 9:30 pm
Location: Netherlands

Re: Test Position: Bh7+!!

Post by Allard Siemelink »

4 seconds for my experimental engine (single core):

Code: Select all

  [8/29]    0.125   99182      -28  Qh5 g6 Nxg6 Qxf2 Kxf2 fxg6 Qf3 Rxf3 Kxf3 dxc4 Bxg6
  [8/29]    0.187     152k     -28  ok/2.0
  [9/36]    0.234     193k       0  Qh5 g6 Nxg6 Qxf2 Kh1 fxg6 Qxg6 Ng7 Qh7 Kf7 Qg6 Ke7 Qxg7 Ke6 cxd5 Kd6 Qh6 Kc7 Qc6 Kb8 Qd6 Kb7 Qc6 Kb8
  [9/36]    0.328     286k       0  ok/1.9
 [10/36]    0.422     362k       0  Qh5 g6 Nxg6 Qxf2 Kh1 fxg6 Qxg6 Ng7 Qh7 Kf7 Qg6 Ke7 Qxg7 Rf7 Qe5 Kf8 Qh8 Ke7 Qxa8 Qh4 Kg1 Qf2 Kh1
 [10/36]    0.812     737k       0  ok/2.6
 [11/40]    1.031     933k       0  Qh5 g6 Nxg6 Qxf2 Kh1 fxg6 Qxg6 Ng7 Qh7 Kf7 Qg6 Ke7 Qxg7 Rf7 Qe5 Kf8 Qh8 Ke7 Qe5
 [11/40]    1.656    1562k       0  ok/2.1
 [12/40]    2.047    1907k       0  Qh5 g6 Nxg6 Qxf2 Kh1 fxg6 Qxg6 Ng7 Qh7 Kf7 Qg6 Ke7 Qxg7 Rf7 Qe5 Kf8 Qh8 Ke7 Qe5
 [12/43]    3.218    3032k       1  ++4/42 Bc2h7
 [12/43]    4.093    3787k     275  Bh7 Kxh7 Qh5 Kg8 Kg2 g6 Qh4 Ng7 Nd7 Rfc8 Nxc5 Rxc5 cxd5 Nf5 Qh3 Rd8
 [12/43]    4.484    4203k     275  ok/2.7
 [13/50]    8.687    7860k     542  Bh7 Kxh7 Qh5 Kg8 Kg2 dxc4 Rh1 Qd5 f3 Qd2 Kg3 Qxg5 Qxg5 f6 Qd2 Nc7 Ng6 Rfd8 Rh8 Kf7 Rxd8 Kxg6
 [13/50]    9.406    8724k     542  ok/2.1
 [14/50]   11.312   10438k     556  Bh7 Kxh7 Qh5 Kg8 Kg2 dxc4 Rh1 Qd5 f3 Qd2 Kg3 Qxg5 Qxg5 f6 Qd2 Nc7 Ng6 Rfd8 Rh8 Kf7 Rxd8 Kxg6 Rd7
 [14/50]   13.078   12436k     556  ok/1.4
 [15/55]   17.562   16444k     589  Bh7 Kxh7 Qh5 Kg8 Kg2 dxc4 Rh1 Qd5 f3 Qd2 Kg3 Qxg5 Qxg5 f6 Rh8 Kxh8 Qh5 Kg8 Ng6 Kf7 Nxf8 g6 Qd5 Kxf8 Qxa8 a5 Qxa5 Nd6 Qd8 Ne8
 [15/55]   22.765   21972k     589  ok/1.8
 [16/55]   28.031   27179k     585  Bh7 Kxh7 Qh5 Kg8 Kg2 dxc4 Rh1 Qd5 f3 Qd2 Kg3 Qxg5 Qxg5 f6 Rh8 Kxh8 Qh5 Kg8 Ng6 Kf7 Nxf8 Kxf8 Qc5 Kf7 Qd5 Kg6 Qxa8 Nd6 Qxa7 f5
 [16/63]   52.218   51227k     585  ok/2.3
 [17/63]  0:01:06   64349k     587  Bh7 Kxh7 Qh5 Kg8 Kg2 dxc4 Rh1 Qd5 f3 Qd2 Kg3 Qxg5 Qxg5 f6 Rh8 Kxh8 Qh5 Kg8 Ng6 Kf7 Nxf8 Kxf8 Qc5 Kf7 Qd5 Kf8 Qxa8 g5 Qxa7 Nd6 f4
 [17/67]  0:01:47     100m     587  ok/2.0
 [18/69]  0:03:23     189m     682  Bh7 Kxh7 Qh5 Kg8 Kg2 Qe7 Rh1 Qxg5 Qxg5 f6 Rh8 Kxh8 Ng6 Kg8 Qxd5 Rf7 Qxa8 Kh7 Qxe8 Kxg6 Qxb5 Re7 b4 f5 c5 Kf6 Qd3
 [18/69]  0:05:00     280m     682  ok/2.8
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Alibaba
Posts: 1218
Joined: Mon May 25, 2009 12:16 am

Re: Test Position: Bh7+!!

Post by Alibaba »

Mchess Pro 8.42 (with customer Setting) running on AMD 2400 XP+ (2Ghz)

after 47 sec depth 8 and 13 mill positions Bh7 Kxh7......eval (3.48)
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