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Subject: Re: Eleven BS2830 troublemakers (defy one billion nodes)

Author: Chessfun

Date: 04:54:30 01/25/00

Go up one level in this thread


On January 24, 2000 at 22:52:34, Dann Corbit wrote:

>On January 24, 2000 at 22:12:10, Chessfun wrote:
>
>>On January 24, 2000 at 22:07:06, Dann Corbit wrote:
>>
>>>On January 24, 2000 at 21:58:51, Chessfun wrote:
>>>[snip]
>>>>Dan.
>>>>   Check out http://www.netcologne.de/~nc-schwaran2/
>>>>go to computer chess left side menu, then to test suite results.
>>>>
>>>>Seems also Century Q3 will solve most.
>>>
>>>Already knew about that site.  I don't want to know which programs find the
>>>answers, I want the answers themselves with pv's and ce's [not just pm/bm].  I
>>>also want to know that other stuff (how long it took etc.).
>>
>>Are you interested in Century Q3's logfile of it?
>
>That would be good.  A Century Q3 processed EPD output would be even better.


Following are Century Q3 and Shredder 4.
Q3 did pretty well, finding 6.


EPD file analysis logfile created by Rebel Century
--------------------------------------------------
EPD file 2             : q3.epd
Date                  : 2000-01-24
Number of positions   : 27
Hash table size       :  8 Mb
Used time level       : fixed:  0:15:00
------------------------------------------------

Position  : 3
Best Move : c8h3
00:09:33 10.00  1.68  Bh3+ Kg1 Bg4 Ncd2 Qf6 Kg2 Qh6+
Key move found at 208 seconds
Total moves found sofar 1
Total time sofar 321 seconds
Key move c8h3 was found at ply 09.01 in 208 seconds
Number of nodes 118.213.686

Position  : 5
Best Move : e1e6
00:08:23 10.00  1.81  Qh3 Rh8 Rc1 Rhg8 Bc2
Key move not found after 900 seconds
Total moves found sofar 1
Total time sofar 1227 seconds
Number of nodes 125.171.410

Position  : 8
Best Move : g4h5
00:08:06 10.00  -0.15  Nc6 Bxg7 Qxc5 Qxg4 Nxf2 Bd4+
Key move not found after 900 seconds
Total moves found sofar 1
Total time sofar 2143 seconds
Number of nodes 125.239.766

Position  : 11
Best Move : e5f6
00:07:04 11.00  1.22  Bf5 bxa4 Bxe6 fxe6 Nd6+ Ke7 Bg3 Nh5
Key move not found after 900 seconds
Total moves found sofar 2
Total time sofar 3043 seconds
Number of nodes 112.402.594

Position  : 12
Best Move : c1b2
00:09:18 10.00  1.39  Bb2 Ne5 Nxe5 Bxe5 Bxe5
Key move found at 0 seconds
Total moves found sofar 3
Total time sofar 3043 seconds
Key move c1b2 was found at ply 04.09 in 0 seconds
Number of nodes 106.267.088

Position  : 15
Best Move : h2g3
00:09:12 11.02  2.98  Qf4
Key move not found after 900 seconds
Total moves found sofar 4
Total time sofar 3945 seconds
Number of nodes 106.823.931

Position  : 17
Best Move : c5e6
00:10:11 12.00  1.51  Ne6 fxe6 Bh5 Rf7 f4 b6 Bxf7+ Qxf7
Key move found at 0 seconds
Total moves found sofar 6
Total time sofar 3945 seconds
Key move c5e6 was found at ply 04.18 in 0 seconds
Number of nodes 153.085.959

Position  : 18
Best Move : g6g5
00:14:13 16.00  2.82  g5 fxg5 Kg3 g6 Kxh4 Be7+ Kg4
Key move found at 1 seconds
Total moves found sofar 7
Total time sofar 3946 seconds
Key move g6g5 was found at ply 09.13 in 1 seconds
Number of nodes 134.203.343

Position  : 20
Best Move : e8g8
00:06:05 10.00  4.45  Kxf7 Qxd5+ Ke8 Qxc5
Key move not found after 900 seconds
Total moves found sofar 7
Total time sofar 5746 seconds
Number of nodes 110.329.143

Position  : 22
Best Move : d8d3
00:04:03 11.00  1.77  Qxd3 Qxd3 Bd4+ Rf2 Rxe6 f5 Bxf2+ Kxf2
Key move found at 7 seconds
Total moves found sofar 9
Total time sofar 5753 seconds
Key move d8d3 was found at ply 07.01 in 7 seconds
Number of nodes 113.124.728

Position  : 23
Best Move : f8f3
00:05:47 10.00  2.55  Rxf3 Kxf3 Bxe4+ Kxe4 Rxg3 Rhg1 Qa2 Rxg3
Key move found at 2 seconds
Total moves found sofar 10
Total time sofar 5755 seconds
Key move f8f3 was found at ply 06.01 in 2 seconds
Number of nodes 104.551.623



Shredder 4

position:  bm Bh3+; id "BS2830-03";
solution : Bc8-h3!
 7.01   0:01.81  -0.19   1...d5 2.Ne3 (41.285) 22.8
 7 ->   0:07.41  -0.19   1...d5 2.Ne3 (180.761) 24.3
 8.01   0:21.96  -0.33   1...d5 2.Ne3 d4 3.Nc4 g4 4.Nfd2 b6 5.f4 gxf3+ 6.Nxf3
Rxf3 (469.201) 21.3
 8.02   0:28.07  -0.32++ 1...Bg4 2.Ncd2 Qd7 3.Bxe5 (572.516) 20.3
 8.02   0:29.50  +0.03++ 1...Bg4 2.Ncd2 Qd7 3.Bxe5 dxe5 4.h3 Bxf3+ 5.Kg1 Bxe2
(609.102) 20.6
 8.02   0:33.05  +0.64   1...Bg4 2.Ncd2 Qd7 3.Kg1 Rxf3 4.Nxf3 Rf8 (673.985) 20.3
 8 ->   0:37.54  +0.64   1...Bg4 2.Ncd2 Qd7 3.Kg1 Rxf3 4.Nxf3 Rf8 (764.005) 20.3
 9.01   0:46.88  +0.64   1...Bg4 2.Ncd2 Qd7 3.Kg1 Rxf3 4.Nxf3 Rf8 5.Nxe5 Bxe5
(900.834) 19.2
 9 ->   1:02.27  +0.64   1...Bg4 2.Ncd2 Qd7 3.Kg1 Rxf3 4.Nxf3 Rf8 (1.237.629)
19.8
10.01   1:16.85  +0.39-- 1...Bg4 2.Ncd2 Qd7 3.Kg1 Rxf3 4.Nxf3 Rf8 5.Nxe5 Kh8
6.Nxd7 (1.552.775) 20.2
10.01   1:29.53  +0.36   1...Bg4 2.Ncd2 Qd7 3.Kg1 Rxf3 4.Nxf3 Rf8 5.Nxe5 Bxe5
6.Qe3 (1.849.620) 20.6
10 ->   2:40.10  +0.36   1...Bg4 2.Ncd2 Qd7 3.Kg1 Rxf3 4.Nxf3 (3.494.274) 21.8
11.01   3:47.79  +0.54   1...Bg4 2.Ncd2 Qd7 3.Kh1 Rxf3 4.Nxf3 Rf8 5.Nxe5 Nxe5
6.Qe3 Bf3+ (4.783.157) 20.9
11 ->   5:36.73  +0.54   1...Bg4 2.Ncd2 Qd7 3.Kh1 Rxf3 4.Nxf3 Rf8 5.Nxe5 Nxe5
(7.507.893) 22.2
12.01  10:12.27  +0.60   1...Bg4 2.Ncd2 Qd7 3.Rfc1 Rxf3 4.Nxf3 Rf8 5.Nxe5 Nxe5
6.Qe3 Bh3+ 7.Kh1 Qe7 (13.063.539) 21.3
12 ->  13:27.66  +0.60   1...Bg4 2.Ncd2 Qd7 3.Rfc1 Rxf3 (18.160.402) 22.4
best move: Bc8-g4 time: 15:00.248 min  n/s: 22.533  nodes: 20.285.617
wrong solution!

position:  bm Rxe6; id "BS2830-05";
solution : Re1xe6!
 4.34   0:01.80  +1.04   1.Qh4 Red8 2.Rc1 Kg8 (44.863) 24.7
 4 ->   0:01.84  +1.04   1.Qh4 Red8 2.Rc1 Kg8 (45.185) 24.5
 5.01   0:02.18  +0.93   1.Qh4 Red8 2.Rc1 Kg8 3.Qe4 (52.870) 24.2
 5.02   0:02.34  +0.94++ 1.Rc1 f5 2.Qh3 Bf6 3.Ng5+ Bxg5 4.Bxg5 Qxa3 (56.677)
24.1
 5.02   0:03.38  +0.96   1.Rc1 Bf8 2.Qh3 Bxh6 3.Qxh6 Kg8 (86.978) 25.6
 5.06   0:03.96  +0.97++ 1.Qh3 g5 2.Bc4 Na5 3.Qh5+ Kg8 (102.273) 25.7
 5.06   0:04.65  +0.99   1.Qh3 a6 2.Rc1 Na5 3.Bc2 (120.178) 25.8
 5 ->   0:07.38  +0.99   1.Qh3 a6 2.Rc1 Na5 3.Bc2 (195.060) 26.3
 6.01   0:08.92  +0.97   1.Qh3 a6 2.Bd2 h5 3.Bh6 Na5 (229.814) 25.7
 6 ->   0:18.09  +0.97   1.Qh3 a6 2.Bd2 h5 3.Bh6 Na5 (452.454) 25.0
 7.01   0:28.58  +0.90   1.Qh3 Na5 2.Ba4 Red8 3.Bd2 h5 4.Bh6 (681.678) 23.8
 7.02   0:31.15  +0.91++ 1.Rc1 Bf8 2.Bd2 h5 3.Qe4 Kg7 4.Bxd5 exd5 5.Qxe8
(743.555) 23.8
 7.02   0:32.61  +1.00   1.Rc1 Bf8 2.Bd2 Kg8 3.Qg3 Qxg3 4.hxg3 Kf7 (782.125)
23.9
 7 ->   0:46.53  +1.00   1.Rc1 Bf8 2.Bd2 Kg8 3.Qg3 Qxg3 4.hxg3 Kf7 (1.113.923)
23.9
 8.01   0:56.20  +0.96   1.Rc1 Bf8 2.Bd2 Kg8 3.Bc4 Bg7 4.h3 Kh8 (1.360.929) 24.2
 8.02   1:09.93  +0.97++ 1.Qh3 Na5 2.Ba4 Red8 3.Nd2 a6 4.Ne4 Qd7 (1.693.661)
24.2
 8.02   1:52.26  +1.00   1.Qh3 a6 2.Bc2 Ncb4 3.Bb1 Nc2 4.Re2 Na1 (2.794.065)
24.8
 8.15   2:30.82  +1.01++ 1.Nd2 f5 2.Qh3 Bf6 3.Nc4 Qb8 4.Ba4 b5 (3.787.777) 25.1
 8.15   2:33.41  +1.06   1.Nd2 f5 2.Qh3 Nxd4 3.Ne4 fxe4 4.Rxd4 Bf6 (3.863.554)
25.1
 8 ->   2:38.52  +1.06   1.Nd2 f5 2.Qh3 Nxd4 3.Ne4 fxe4 4.Rxd4 Bf6 (4.007.328)
25.2
 9.01   3:00.22  +1.05   1.Nd2 f5 2.Qh3 Na5 3.Ba4 Red8 4.Nf3 Kg8 5.Ng5
(4.559.158) 25.2
 9 ->   4:44.10  +1.05   1.Nd2 f5 2.Qh3 Na5 3.Ba4 Red8 4.Nf3 Kg8 5.Ng5
(7.253.927) 25.5
10.01   5:09.98  +0.87   1.Nd2 f5 2.Qh3 Nxd4 3.Ne4 fxe4 4.Rxd4 Bf6 5.Rd2
(7.947.539) 25.6
10.02   5:32.28  +0.88++ 1.Qh3 Red8 2.Bc4 Na5 3.Ba6 Rc2 4.Rd2 Rxd2 5.Bxd2
(8.505.836) 25.5
10.02  14:20.54  +1.13   1.Qh3 b5 2.Bd2 h5 3.g4 Rg8 4.g5 f5 (21.490.206) 24.9
best move: Qg4-h3 time: 15:00.265 min  n/s: 25.050  nodes: 22.552.438
wrong solution!


position:  bm Bh5; id "BS2830-08";
solution : Bg4-h5!
 5 ->   0:00.87  +3.56   1...Bxf3 2.Qxf3 Nxc5 3.Bxc5 Qxc5 4.Qxd5 Qxd5 5.Rxd5
(23.096) 26.5
 6.01   0:02.01  +3.36   1...Bxf3 2.Qxf3 Nxc5 3.Bxc5 Qxc5 4.Rxd5 Qc4 5.Kb1
(54.889) 27.2
 6 ->   0:02.46  +3.36   1...Bxf3 2.Qxf3 Nxc5 3.Bxc5 Qxc5 4.Rxd5 Qc4 5.Kb1
(68.349) 27.7
 7.01   0:06.34  +3.59   1...Bxf3 2.gxf3 Nxc5 3.Rhg1 Ne6 4.Qh6 g6 5.Be5
(171.920) 27.1
 7 ->   0:08.28  +3.59   1...Bxf3 2.gxf3 Nxc5 3.Rhg1 Ne6 4.Qh6 g6 5.Be5
(221.172) 26.7
 8.01   0:10.89  +3.34-- 1...Bxf3 2.gxf3 Nxc5 3.Bxg7 Ne6 4.Qh6 Rf8 5.Bxf8 Qxb2+
6.Kxb2 (301.311) 27.6
 8.01   0:12.64  +2.84-- 1...Bxf3 2.gxf3 Nxc5 3.Bxg7 Ne6 4.Qh6 Rf8 5.Bxf8 Qxb2+
6.Kxb2 (357.973) 28.3
 8.01   0:19.07  +2.34   1...Bxf3 2.gxf3 Nxc5 3.Bxg7 Ne6 4.Qh6 Qc4 5.Be5 f6
(546.757) 28.6
 8 ->   0:28.42  +2.34   1...Bxf3 2.gxf3 Nxc5 3.Bxg7 Ne6 4.Qh6 Qc4 5.Be5
(797.458) 28.0
 9.01   0:35.95  +2.09-- 1...Bxf3 2.gxf3 Nxc5 3.Bxg7 Ne6 4.Qg3 Rd8 5.Rhg1
(1.010.334) 28.1
 9.01   0:42.16  +1.59-- 1...Bxf3 2.gxf3 Nxc5 3.Bxg7 Ne6 4.Qg3 Rd8 5.Rhg1
(1.201.332) 28.4
 9.01   0:55.92  +1.36   1...Bxf3 2.gxf3 Nxc5 3.Bxg7 Ne6 4.Qg3 Nc6 5.Bf6+ Kf8
6.Qd6+ Ne7 7.Rxd5 (1.609.456) 28.7
 9 ->   1:42.55  +1.36   1...Bxf3 2.gxf3 Nxc5 3.Bxg7 Ne6 4.Qg3 Nc6 5.Bf6+ Kf8
6.Qd6+ Ne7 7.Rxd5 (2.736.624) 26.6
10.01   2:29.17  +1.11-- 1...Bxf3 2.gxf3 Nxc5 3.Bxg7 Ne6 4.Qg3 Nc6 5.Bf6+ Kf8
6.Qh3 (3.928.899) 26.3
10.01   3:07.39  +1.02   1...Bxf3 2.gxf3 Nxc5 3.Bxg7 Ne6 4.Qg3 Nf8 5.Bxf8+ Kxf8
6.Rhg1 Qa6 (5.008.444) 26.7
10 ->   5:13.58  +1.02   1...Bxf3 2.gxf3 Nxc5 3.Bxg7 Ne6 4.Qg3 Nf8 5.Bxf8+ Kxf8
6.Rhg1 Qa6 (7.960.232) 25.3
11.01   6:44.67  +0.77-- 1...Bxf3 2.gxf3 Nxc5 3.Bxg7 Ne6 4.Qg3 Nxg7 5.Rhg1 Kf8
6.Qxg7+ Ke7 (10.312.714) 25.4
11.01   8:47.91  +0.27-- 1...Bxf3 2.gxf3 Nxc5 3.Bxg7 Ne6 4.Qh6 Nc6 5.Bf6 Nb4
(13.595.135) 25.7
11.01  14:18.96  -0.36   1...Bxf3 2.gxf3 Nxc5 3.Bxg7 Ne6 4.Qh6 Nxg7 5.Rhg1 Kf8
6.Qxg7+ Ke7 (22.169.996) 25.8
best move: Bg4xf3 time: 15:00.017 min  n/s: 25.696  nodes: 23.127.447


position:  bm exf6; id "BS2830-11";
solution : e5xf6!
 6.01   0:01.76  -0.08   1.Qb3 O-O 2.Bxg6 fxg6 3.Nd6 c4 4.Qc2 (45.744) 25.8
 6 ->   0:02.64  -0.08   1.Qb3 O-O 2.Bxg6 fxg6 3.Nd6 c4 4.Qc2 (69.749) 26.3
 7.01   0:03.93  +0.17++ 1.Qb3 O-O 2.Bxg6 fxg6 3.Nd6 Ne4 4.Qxe6+ Rf7 5.fxe4
(105.574) 26.8
 7.01   0:05.47  +0.35   1.Qb3 Nxh4 2.Nd6+ Kf8 3.Qxe6 fxe6 4.exf6 Rb8 (152.581)
27.8
 7 ->   0:08.17  +0.35   1.Qb3 Nxh4 2.Nd6+ Kf8 3.Qxe6 fxe6 4.exf6 Rb8 (222.371)
27.1
 8.01   0:15.59  +0.56   1.Qb3 O-O 2.Bxg6 Qxc4 3.Qxc4 bxc4 4.Rab1 Rab8 5.Bxf6
fxg6 (430.038) 27.5
 8 ->   0:19.99  +0.56   1.Qb3 O-O 2.Bxg6 Qxc4 3.Qxc4 bxc4 4.Rab1 Rab8 5.Bxf6
fxg6 (553.511) 27.6
 9.01   0:33.34  +0.32   1.Qb3 O-O 2.Bxg6 Qxc4 3.Qxc4 bxc4 4.Rab1 Rab8 5.Bxf7+
(914.667) 27.4
 9 ->   0:55.06  +0.32   1.Qb3 O-O 2.Bxg6 Qxc4 3.Qxc4 bxc4 4.Rab1 Rab8 5.Bxf7+
(1.516.577) 27.5
10.01   2:15.61  +0.41   1.Qb3 Nxh4 2.Nd6+ Ke7 3.Nxb7 Nd5 4.Qa3 Nxg2 5.Qxc5+ Kd7
6.Rad1 (3.568.483) 26.3
10 ->   2:59.91  +0.41   1.Qb3 Nxh4 2.Nd6+ Ke7 3.Nxb7 Nd5 4.Qa3 Nxg2 5.Qxc5+ Kd7
6.Rad1 (4.776.924) 26.5
11.01   4:57.60  +0.23   1.Qb3 Nxh4 2.Nd6+ Ke7 3.Qxe6+ fxe6 4.Nxb7 Nd7 5.f4 Rab8
6.Nd6 Rbf8 (7.797.202) 26.2
11 ->   9:45.28  +0.23   1.Qb3 Nxh4 2.Nd6+ Ke7 3.Qxe6+ fxe6 4.Nxb7 Nd7 5.f4 Rab8
6.Nd6 (15.138.243) 25.8
best move: Qa4-b3 time: 15:00.113 min  n/s: 26.317  nodes: 23.688.400
wrong solution!


position:  bm Bb2; id "BS2830-12";
solution : Bc1-b2!
 6.01   0:01.43  +0.02   1.Qc3 Ne5 2.Kh1 Bg4 3.Ne1 Qf4 (36.311) 25.3
 6 ->   0:02.27  +0.02   1.Qc3 Ne5 2.Kh1 Bg4 3.Ne1 Qf4 (60.301) 26.4
 7.01   0:03.64  +0.06   1.Qc3 Ne5 2.Kh1 Bg4 3.Ne1 Nd7 4.Qxf6 (95.266) 26.1
 7 ->   0:06.25  +0.06   1.Qc3 Ne5 2.Kh1 Bg4 3.Ne1 Nd7 4.Qxf6 (169.950) 27.1
 8.01   0:10.90  -0.04   1.Qc3 Ne5 2.Kh1 Bg4 3.Ne1 Bb4 4.Qd4 Rad8 (292.054) 26.7
 8 ->   0:26.54  -0.04   1.Qc3 Ne5 2.Kh1 Bg4 3.Ne1 Bb4 4.Qd4 (684.747) 25.7
 9.01   0:37.62  -0.22   1.Qc3 Ne5 2.Kh1 Bg4 3.Be2 Nd7 4.Qxf6 Nxf6 5.Bb5 c6
(957.851) 25.4
 9.02   1:13.05  -0.21++ 1.c3 Bg4 2.Bd5 Nb4 3.Qc4 Bxf3 4.Bxf3 Kh8 (1.766.238)
24.1
 9.02   1:43.70  -0.03   1.c3 Bf5 2.Qd5 Red8 3.Kh1 Be7 4.Qb5 Be4 5.Qxb7
(2.481.832) 23.9
 9 ->   2:01.68  -0.03   1.c3 Bf5 2.Qd5 Red8 3.Kh1 Be7 4.Qb5 (2.993.774) 24.6
10.01   2:04.14  -0.28-- 1.c3 Bf5 2.Qd5 Red8 3.Kh1 Bxh2 4.Qxf7+ Qxf7 (3.053.775)
24.5
10.01   2:35.03  -0.44   1.c3 Bf5 2.Qd5 Red8 3.Kh1 Bxh2 4.Qxf7+ Qxf7 (3.835.949)
24.7
10.02   2:47.84  -0.43++ 1.Qc3 Ne5 2.Kh1 Bg4 3.Be2 Nxf3 4.Qxf6 (4.165.505) 24.8
10.02   3:34.32  -0.11   1.Qc3 Ne5 2.Bd5 c6 3.d4 Nxf3+ 4.Bxf3 Bf5 5.Bb2 Qh4 6.h3
Rad8 (5.366.081) 25.0
10.07   5:30.27  -0.10++ 1.Rb1 Bf5 2.Qc3 Qxc3 3.dxc3 Bxc2 4.Rb2 Bf5 5.Rd1 Rad8
6.Re2 (8.274.085) 25.0
10.07   5:31.03  -0.10   1.Rb1 Bf5 2.Qc3 Qxc3 3.dxc3 Bxc2 4.Rb2 Bf5 5.Rd1 Rad8
6.Re2 (8.294.874) 25.0
10 ->   5:57.87  -0.10   1.Rb1 Bf5 2.Qc3 Qxc3 3.dxc3 Bxc2 4.Rb2 Bf5 5.Rd1 Rad8
6.Re2 (9.051.656) 25.2
11.01   9:43.95  -0.11   1.Rb1 Bf5 2.Qc3 Qxc3 3.dxc3 Bxc2 4.Rb2 Bf5 5.Rd1 Bg4
(14.600.435) 25.0
11.03  13:17.64  -0.10++ 1.Qc3 Ne5 2.Bd5 c6 3.d4 Nxf3+ 4.Bxf3 Bf5 5.Be3 Qh4 6.h3
(19.697.971) 24.6
11.03  14:56.40  -0.07   1.Qc3 Ne5 2.Bd5 c6 3.d4 Nxf3+ 4.Bxf3 Bf5 5.Be3 Qh4 6.h3
Qf6 (22.147.595) 24.7
best move: Qd3-c3 time: 15:00.229 min  n/s: 24.739  nodes: 22.271.341
wrong solution!


position:  bm Kg3; id "BS2830-15";
solution : Kh2-g3!
 6.01   0:01.89  -0.08   1.Kg1 Rce8 2.c3 Bc8 3.Re7 Rxe7 4.Qxe7 Qxa4 5.Qxc7
(48.050) 25.3
 6 ->   0:02.93  -0.08   1.Kg1 Rce8 2.c3 Bc8 3.Re7 Rxe7 4.Qxe7 Qxa4 5.Qxc7
(75.616) 25.7
 7.01   0:04.24  -0.08   1.Kg1 Rce8 2.c3 Bc8 3.Re7 Rxe7 4.Qxe7 Qxa4 5.Qxc7
(108.692) 25.5
 7 ->   0:07.83  -0.08   1.Kg1 Rce8 2.c3 Bc8 3.Re7 Rxe7 4.Qxe7 Qxa4 5.Qxc7
(200.227) 25.5
 8.01   0:09.86  -0.33-- 1.Kg1 Rce8 2.c3 Bc8 3.Re7 Qxa4 4.Ng5 Rxe7 5.Qxf7+ Rfxf7
(260.302) 26.3
 8.01   0:11.67  -0.50   1.Kg1 Rce8 2.c5 bxc5 3.Rd1 Bc8 4.Re7 Rxe7 5.Qxe7 Qxa4
6.Qxc5 (316.290) 27.1
 8.24   0:27.31  -0.49++ 1.Qf4 Qxa4 2.Ng5 Qxd7 3.Rxd7 Rfd8 4.Rxd8+ Kg7 5.Rxc8
(729.478) 26.7
 8.24   0:29.84  -0.39   1.Qf4 Rce8 2.Qh6 Rb8 3.c3 Qc5 4.Qf4 Bxf3 5.Qxf3 Qxe5+
6.Kg1 (800.667) 26.8
 8 ->   0:30.00  -0.39   1.Qf4 Rce8 2.Qh6 Rb8 3.c3 Qc5 4.Qf4 Bxf3 5.Qxf3 Qxe5+
6.Kg1 (806.475) 26.8
 9.01   0:38.65  -0.14++ 1.Qf4 Rce8 2.Qh6 Rb8 3.Kg1 Rbd8 4.Rxd8 (1.023.686) 26.4
 9.01   0:43.27   0.00   1.Qf4 Rce8 2.Qh6 Rb8 3.Kg1 Rbe8 4.Kh2 Rb8 (1.156.386)
26.7
 9 ->   0:56.72   0.00   1.Qf4 Rce8 2.Qh6 Rb8 3.Kg1 Rbe8 4.Kh2 Rb8 (1.535.957)
27.0
10.01   1:15.91   0.00   1.Qf4 Rce8 2.Qh6 Rb8 3.Kg1 Rbe8 4.Kh2 Rb8 (2.020.039)
26.6
10 ->   2:07.81   0.00   1.Qf4 Rce8 2.Qh6 Rb8 3.Kg1 Rbe8 4.Kh2 Rb8 (3.400.455)
26.6
11.01   4:18.55   0.00   1.Qf4 Ba8 2.Qf6 Rce8 3.Qf4 Qxa4 4.Ng5 c5 5.Nxf7
(6.668.319) 25.7
11 ->   6:04.38   0.00   1.Qf4 Ba8 2.Qf6 Rce8 3.Qf4 Qxa4 4.Ng5 c5 (9.562.467)
26.2
12.01  11:02.91  +0.14   1.Qf4 Kg7 2.c5 bxc5 3.Rd1 Kg8 4.c3 Qe4 5.Qxe4 Bxe4
6.Ng5 (17.382.485) 26.2
12 ->  14:32.87  +0.14   1.Qf4 Kg7 2.c5 bxc5 3.Rd1 Kg8 4.c3 Qe4 5.Qxe4 Bxe4
6.Ng5 (23.361.754) 26.7
best move: Qf6-f4 time: 15:00.286 min  n/s: 26.861  nodes: 24.183.189
wrong solution!

position:  bm Ne6; id "BS2830-17";
solution : Nc5-e6!
 6.01   0:02.39  +0.57   1.Nd3 a6 2.Na3 e6 3.Bd6 Ne7 (51.207) 21.3
 6 ->   0:03.48  +0.57   1.Nd3 a6 2.Na3 e6 3.Bd6 Ne7 (76.549) 21.9
 7.01   0:03.91  +0.32-- 1.Nd3 a6 2.Na3 b5 3.Qd2 Ra7 4.f3 (85.424) 21.8
 7.01   0:04.41  +0.20   1.Nd3 a6 2.Na3 b5 3.e6 fxe6 4.Qd2 (97.508) 22.1
 7 ->   0:12.51  +0.20   1.Nd3 a6 2.Na3 b5 3.e6 fxe6 (294.054) 23.4
 8.01   0:14.24  +0.28   1.Nd3 a6 2.Na3 Ncxe5 3.Nxe5 Nxe5 4.Qxd4 Qd7 (332.114)
23.3
 8 ->   0:26.46  +0.28   1.Nd3 a6 2.Na3 Ncxe5 3.Nxe5 Nxe5 4.Qxd4 Qd7 (630.084)
23.8
 9.01   0:30.93  +0.29   1.Nd3 a6 2.Na3 Ncxe5 3.Nxe5 Nxe5 4.Qxd4 Nc6 5.Qb6
(728.587) 23.5
 9 ->   1:00.42  +0.29   1.Nd3 a6 2.Na3 Ncxe5 3.Nxe5 Nxe5 4.Qxd4 Nc6 5.Qb6
(1.400.869) 23.1
10.01   2:03.66  +0.22   1.Nd3 a6 2.Na3 Ncxe5 3.Nxe5 Nxe5 4.Qxd4 Nc6 (2.681.383)
21.6
10 ->   3:22.65  +0.22   1.Nd3 a6 2.Na3 Ncxe5 3.Nxe5 Nxe5 4.Qxd4 Nc6 (4.596.442)
22.6
11.01   4:18.74  +0.32   1.Nd3 a6 2.Na3 Ncxe5 3.Nxe5 Nxe5 4.Qxd4 Ng4 5.Qb6 Qc6
6.Nc4 (5.731.916) 22.1
11 ->   6:43.86  +0.32   1.Nd3 a6 2.Na3 Ncxe5 3.Nxe5 Nxe5 4.Qxd4 Ng4 5.Qb6
(9.094.635) 22.5
12.01   7:56.08  +0.28   1.Nd3 a6 2.Na3 Ncxe5 3.Nxe5 Nxe5 4.Qxd4 Nc6 5.Qb6 Nd4
(10.671.428) 22.4
12.11  14:00.52  +0.29++ 1.Ne6 fxe6 2.Bh5 Rf7 3.f4 gxf4 4.Rxf4 Ndxe5
(19.113.658) 22.7
12.11  14:25.39  +0.45   1.Ne6 fxe6 2.Bh5 Rf7 3.f4 d3 4.Bxf7+ Qxf7 5.fxg5
(19.723.580) 22.7
best move: Nc5-e6 time: 15:00.093 min  n/s: 22.816  nodes: 20.537.064
right solution! (14:00.524)


position:  bm g5; id "BS2830-18";
solution : g6-g5!
 8.01   0:00.81  +1.01   1...Kg3 2.Be7 d4+ 3.exd4 Kxf4 4.Bd6+ Ke4 5.Be7 Bg8
(39.105) 48.0
 8 ->   0:01.09  +1.01   1...Kg3 2.Be7 d4+ 3.exd4 Kxf4 4.Bd6+ Ke4 5.Be7 Bg8
(52.678) 48.2
 9.01   0:01.71  +1.02   1...Kg3 2.Be7 Kg4 3.Bf6 d4+ 4.exd4 Kxf4 5.Be7 Bd5
(81.550) 47.6
 9 ->   0:02.64  +1.02   1...Kg3 2.Be7 Kg4 3.Bf6 d4+ 4.exd4 Kxf4 5.Be7 Bd5
(127.670) 48.3
10.01   0:03.54  +1.00   1...Kg3 2.Be7 Kg4 3.Kxb3 Kf3 4.Kb4 Kxe3 5.Bc5+ Kxf4
6.Bd6+ Ke4 7.Kc5 (173.728) 48.9
10.06   0:04.35  +1.01++ 1...Kg4 2.Be7 Kg3 3.Kb2 Kf3 4.Bc5 Kg4 5.Be7 d4 6.e4
(215.039) 49.3
10.06   0:04.44  +1.01   1...Kg4 2.Be7 Kg3 3.Bf6 d4+ 4.exd4 Kxf4 5.Be5+ Kf5
6.Bd6 Bd5 (218.661) 49.2
10 ->   0:04.79  +1.01   1...Kg4 2.Be7 Kg3 3.Bf6 d4+ 4.exd4 Kxf4 5.Be5+ Kf5
6.Bd6 Bd5 (238.449) 49.7
11.01   0:07.69  +1.09   1...Kg4 2.Be7 d4+ 3.exd4 Kxf4 4.Bf6 Ke4 5.Bg7 (367.018)
47.6
11 ->   0:10.93  +1.09   1...Kg4 2.Be7 d4+ 3.exd4 Kxf4 4.Bf6 Ke4 5.Bg7 (551.926)
50.4
12.01   0:14.18  +1.09   1...Kg4 2.Be7 d4+ 3.exd4 Kxf4 4.Bg5+ Ke4 5.Bf6 Bg8
6.Bg7 Bd5 (719.518) 50.7
12 ->   0:25.64  +1.09   1...Kg4 2.Be7 d4+ 3.exd4 Kxf4 4.Bg5+ Ke4 5.Bf6 Bg8
6.Bg7 Bd5 (1.243.306) 48.4
13.01   0:32.42  +1.10   1...Kg4 2.Be7 d4+ 3.exd4 Kxf4 4.Bg5+ Ke4 5.Bf6 Bd5
6.Bg7 Kf3 7.Be5 (1.558.416) 48.0
13 ->   0:54.88  +1.10   1...Kg4 2.Be7 d4+ 3.exd4 Kxf4 4.Bg5+ Ke4 5.Bf6 Bd5
6.Bg7 Kf3 7.Be5 (2.584.371) 47.0
14.01   1:11.32  +1.10   1...Kg4 2.Be7 d4+ 3.exd4 Kxf4 4.Bg5+ Ke4 5.Bf6 Bd5
6.Bg7 Kf3 7.Be5 (3.288.375) 46.1
14 ->   2:00.09  +1.10   1...Kg4 2.Be7 d4+ 3.exd4 Kxf4 4.Bg5+ Ke4 5.Bf6 Bd5
6.Bg7 Kf3 7.Be5 (5.245.992) 43.6
15.01   2:33.11  +1.10   1...Kg4 2.Be7 d4+ 3.exd4 Kxf4 4.Bg5+ Ke4 5.Bf6 Bd5
6.Bg7 Kf3 7.Be5 (6.606.097) 43.1
15 ->   4:59.05  +1.10   1...Kg4 2.Be7 d4+ 3.exd4 Kxf4 4.Bg5+ Ke4 5.Bf6 Bd5
6.Bg7 Kf3 7.Be5 (12.674.435) 42.3
16.01   7:25.61  +1.09   1...Kg4 2.Be7 d4+ 3.exd4 Kxf4 4.Kb2 Ke4 5.Bf6 Kf5 6.Bg7
(18.327.587) 41.1
best move: Kf3-g4 time: 15:00.097 min  n/s: 41.433  nodes: 37.294.470
wrong solution!


position:  bm O-O; id "BS2830-20";
solution : O-O!
 6.01   0:01.56  +1.23   1...Ne3 2.Qf3 Rf8 3.Nxd8 Rxf3+ 4.Kxf3 Kxd8 (49.703)
31.7
 6 ->   0:02.33  +1.23   1...Ne3 2.Qf3 Rf8 3.Nxd8 Rxf3+ 4.Kxf3 Kxd8 (71.159)
30.4
 7.01   0:02.64  +0.98-- 1...Ne3 2.Qf3 Rf8 3.Nxd8 Nf5+ 4.Qxf5 Bf2+ 5.Kxf2
(81.974) 31.0
 7.01   0:03.24  +0.82   1...Ne3 2.Qf3 Rf8 3.Nxd8 Rxf3+ 4.Kxf3 Kxd8 5.Nc3
(105.304) 32.4
 7 ->   0:05.34  +0.82   1...Ne3 2.Qf3 Rf8 3.Nxd8 Rxf3+ 4.Kxf3 Kxd8 5.Nc3
(177.167) 33.1
 8.01   0:07.62  +0.76   1...Ne3 2.Qf3 Rf8 3.Nxd8 Rxf3+ 4.Kxf3 Kxd8 5.Nd2 h5
(253.142) 33.2
 8.03   0:21.65  +0.77++ 1...Qe7 2.Qxd5 Rf8 3.Rf1 Rxf7 4.Rxf7 Qg5+ 5.Kf3 Qe3+
6.Kg4 d6+ 7.e6 (651.613) 30.0
 8.03   0:24.59  +1.12++ 1...Qe7 2.Qxd5 Rf8 3.Rf1 Rxf7 4.Rxf7 Qg5+ 5.Kf3 Qe3+
6.Kg4 d6+ 7.e6 Bxe6+ 8.Qxe6+ Qxe6+ 9.Kf3 Qxf7+ 10.Bf6 Qxf6+ 11.Ke2 Qxa1
(754.800) 30.6
 8.03   0:36.21  +2.35   1...Qe7 2.Qxd5 Rf8 3.Rc1 Rxf7 4.h3 Qg5+ 5.Kh2
(1.091.933) 30.1
 8 ->   0:37.19  +2.35   1...Qe7 2.Qxd5 Rf8 3.Rc1 Rxf7 4.h3 Qg5+ 5.Kh2
(1.125.323) 30.2
 9.01   1:03.88  +2.60++ 1...Qe7 2.Qxd5 Rf8 3.Rc1 Rxf7 4.Na3 Bxa3 5.Rxc7 Bxb2
(1.820.142) 28.4
 9.01   1:14.25  +2.61   1...Qe7 2.Qxd5 Rf8 3.Nd2 Qxf7 4.Qxf7+ Rxf7 5.Ne4 Be3
6.Rhf1 (2.170.862) 29.2
 9 ->   1:27.33  +2.61   1...Qe7 2.Qxd5 Rf8 3.Nd2 Qxf7 4.Qxf7+ Rxf7 5.Ne4 Be3
6.Rhf1 (2.592.046) 29.6
10.01   2:59.07  +2.56   1...Qe7 2.Qxd5 Rf8 3.Nd2 Qxf7 4.Qxf7+ Rxf7 5.Ne4 Be3
6.Rhf1 (5.015.027) 28.0
10 ->   3:29.00  +2.56   1...Qe7 2.Qxd5 Rf8 3.Nd2 Qxf7 4.Qxf7+ Rxf7 5.Ne4 Be3
6.Rhf1 (5.932.447) 28.3
11.01   7:05.53  +2.52   1...Qe7 2.Qxd5 Rf8 3.Nc3 Rxf7 4.Ne4 Ba3 5.Rhb1 Bxb2
6.Rxb2 (11.793.887) 27.7
11 ->   9:31.08  +2.52   1...Qe7 2.Qxd5 Rf8 3.Nc3 Rxf7 4.Ne4 Ba3 (16.168.733)
28.3
best move: Qd8-e7 time: 15:00.224 min  n/s: 27.457  nodes: 24.717.997
wrong solution!


position:  bm Qxd3; id "BS2830-22";
solution : Qd8xd3!
 6 ->   0:01.29  +1.80   1...Bd4+ 2.Kh1 Qf6 3.f5 Bxb2 4.Rd7 Rad8 5.Rxc7 (38.627)
29.8
 7.01   0:03.00  +1.80   1...Bd4+ 2.Kh1 Qf6 3.f5 Bxb2 4.Rd7 Rad8 5.Rxc7 (84.995)
28.2
 7 ->   0:03.43  +1.80   1...Bd4+ 2.Kh1 Qf6 3.f5 Bxb2 4.Rd7 Rad8 5.Rxc7 (98.318)
28.6
 8.01   0:06.52  +1.88   1...Bd4+ 2.Kh1 Qf6 3.f5 Bxb2 4.Rd7 Rac8 5.Qe3 a5
(192.651) 29.5
 8 ->   0:07.06  +1.88   1...Bd4+ 2.Kh1 Qf6 3.f5 Bxb2 4.Rd7 Rac8 5.Qe3 a5
(208.176) 29.4
 9.01   0:16.75  +1.92   1...Bd4+ 2.Kh1 Qf6 3.f5 Bxb2 4.Rd7 Rac8 5.g4 Bd4 6.Rd1
(488.163) 29.1
 9 ->   0:18.32  +1.92   1...Bd4+ 2.Kh1 Qf6 3.f5 Bxb2 4.Rd7 Rac8 5.g4 Bd4 6.Rd1
(537.818) 29.3
10.01   0:46.89  +1.83   1...Bd4+ 2.Kh1 Qf6 3.f5 Bxb2 4.Rd7 Rac8 5.g4 Bd4 6.Rd1
(1.340.032) 28.5
10 ->   0:51.03  +1.83   1...Bd4+ 2.Kh1 Qf6 3.f5 Bxb2 4.Rd7 Rac8 5.g4 Bd4 6.Rd1
(1.472.516) 28.8
11.01   1:17.71  +2.08++ 1...Bd4+ 2.Kh1 Qf6 3.f5 Bxb2 4.Rd7 Rac8 5.g4 Bd4 6.Rd1
Bc6 (2.197.715) 28.2
11.01   1:44.07  +2.11   1...Bd4+ 2.Kh1 Qf6 3.f5 Bxb2 4.Rd7 Rac8 5.Qd1 Red8
6.Qa4 Rxd7 (2.982.285) 28.6
11 ->   1:51.84  +2.11   1...Bd4+ 2.Kh1 Qf6 3.f5 Bxb2 4.Rd7 Rac8 5.Qd1 Red8
6.Qa4 Rxd7 (3.230.110) 28.8
12.01   4:10.73  +2.01   1...Bd4+ 2.Kh1 Qf6 3.f5 Bxb2 4.Rd7 Rac8 5.Qf2 Bd4 6.Qf4
Be5 7.Qf2 (7.050.019) 28.1
12 ->   4:57.16  +2.01   1...Bd4+ 2.Kh1 Qf6 3.f5 Bxb2 4.Rd7 Rac8 5.Qf2 Bd4 6.Qf4
Be5 (8.369.942) 28.1
13.01  14:13.45  +1.87   1...Bd4+ 2.Kh1 Qf6 3.f5 Bxb2 4.Rd7 Rac8 5.Rd2 Bd4
6.Bxc8 Rxe2 (22.430.572) 26.2
best move: Bf6-d4 time: 15:00.374 min  n/s: 25.902  nodes: 23.322.024
wrong solution!


position:  bm Rxf3; id "BS2830-23";
solution : Rf8xf3!
 6 ->   0:02.57  +1.10   1...Rgf7 2.Ra1 Qb4 3.Qxb4 cxb4 4.Be2 b6 (46.808) 18.2
 7.01   0:03.29  +1.14   1...Rgf7 2.Ra1 Qb4 3.Qxb4 cxb4 4.Be2 b6 5.Rhd1 (58.775)
17.8
 7 ->   0:07.89  +1.14   1...Rgf7 2.Ra1 Qb4 3.Qxb4 cxb4 4.Be2 b6 5.Rhd1
(144.456) 18.2
 8.01   0:09.12  +0.99   1...Rgf7 2.Ra1 Qb4 3.Qxb4 cxb4 4.Be2 b6 5.Rab1 Kc5
(169.530) 18.5
 8.06   0:16.30  +1.00++ 1...Qa8 2.Rhd1 b6 3.Qg5 (293.230) 17.9
 8.06   0:28.26  +1.14   1...Qa8 2.Ra1 Qd8 3.Rhd1 b6 4.Bc2 Qe7 5.Qe2 (507.010)
17.9
 8 ->   0:32.91  +1.14   1...Qa8 2.Ra1 Qd8 3.Rhd1 b6 4.Bc2 Qe7 5.Qe2 (594.077)
18.0
 9.01   1:03.27  +1.15   1...Qa8 2.Rhd1 h4 3.Qh6 h3+ 4.Kf2 Qa2+ 5.Be2 Rgg8
(1.158.366) 18.3
 9 ->   1:17.08  +1.15   1...Qa8 2.Rhd1 h4 3.Qh6 h3+ 4.Kf2 Qa2+ 5.Be2 Rgg8
(1.385.618) 17.9
10.01   5:09.44  +1.32   1...Qa8 2.Be2 b6 3.Ra1 Qb7 4.Rxh5 Bxh5 5.Ra7 Qxa7
6.Qxd4+ (6.130.838) 19.8
10 ->   5:19.78  +1.32   1...Qa8 2.Be2 b6 3.Ra1 Qb7 4.Rxh5 Bxh5 5.Ra7 Qxa7
6.Qxd4+ (6.419.193) 20.0
11.01  14:28.88  +1.32   1...Qa8 2.Rh4 b6 3.Be2 Qa3 4.Qd3 Qa2 5.Rxh5
(19.549.180) 22.4
best move: Qa3-a8 time: 15:00.094 min  n/s: 22.646  nodes: 20.383.622
wrong solution!


Thanks.








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Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.