TCEC puzzle

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Jouni
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TCEC puzzle

Post by Jouni »

[D]8/1r3pr1/1P2k2B/1p2p2R/1p2P2N/1P2K2n/1R3PP1/8 w - - 5 29

very difficult 10 mover You need Houdini tactical

Analysis by Houdini 6 x64-pext Tac:

29.Bxg7 f6 30.gxh3 Rxb6 31.Rc2 Rb7 32.Bxf6 Rf7 33.Nf5 Kd7 34.Rh6 Re7 35.Bxe7 Ke8 36.Rh7 Kd7 37.Bf6+ Ke6 38.Rc6#
+- (#10) Depth: 43/45 00:00:35 430mN
Jouni
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AdminX
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Re: TCEC puzzle

Post by AdminX »

Regular Houdini see it fairly fast.

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"Good decisions come from experience, and experience comes from bad decisions."
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Waschbaer
Posts: 68
Joined: Mon Dec 12, 2011 11:27 pm

Re: TCEC puzzle

Post by Waschbaer »

Houdini with GTB database on Ryzen 1800X

tactical mode = 64
17 seconds

Code: Select all

[Matt in 10]  d=44  29.Bxg7 Nf4 30.Rh6 Ng6 31.Rc2 Re7 32.Bxe5 f6 33.Nxg6 Rf7 34.Rc6 Kd7 35.Rc7 Ke6 36.Nf4 Kxe5 37.Rc6 Re7 38.Ng6#(0:00:17) 747926kN
 [Matt in 11]  d=43  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc8 34.Re7 Ra6 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:05) 215294kN
 [Matt in 11]  d=42  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc8 34.Re7 Ra6 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:05) 192894kN
 [Matt in 11]  d=41  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc8 34.Re7 Ra6 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:04) 159046kN
 [Matt in 11]  d=40  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc8 34.Re7 Ra6 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:03) 147959kN
 [Matt in 11]  d=39  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc8 34.Re7 Ra6 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:03) 128350kN
 [Matt in 11]  d=38  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc8 34.Re7 Ra6 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:02) 109333kN
 [Matt in 11]  d=37  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc8 34.Re7 Ra6 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:02) 96563kN
 [Matt in 11]  d=36  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc8 34.Re7 Ra6 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:02) 74034kN

normal mode
21 seconds

Code: Select all

 [Matt in 10]  d=49  29.Bxg7 f6 30.gxh3 Rxb6 31.Rc2 Rb7 32.Bxf6 Rf7 33.Nf5 Kd7 34.Rh6 Rxf6 35.Rxf6 Ke8 36.Rc7 Kd8 37.Re7 Kc8 38.Rf8#(0:00:21) 894803kN
 [Matt in 11]  d=48  29.Bxg7 f6 30.gxh3 Rxb6 31.Rc2 Rb7 32.Bxf6 Rf7 33.Nf5 Kd7 34.Bxe5 Ke8 35.Rc8 Kd7 36.Rc7 Ke8 37.Rh8 Rf8 38.Re7 Kd8 39.Rxf8#(0:00:17) 712905kN
 [Matt in 11]  d=47  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc7 34.Re7 Kc8 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:09) 382943kN
 [Matt in 11]  d=46  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc7 34.Re7 Kc8 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:07) 295032kN
 [Matt in 11]  d=45  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc7 34.Re7 Kc8 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:07) 280427kN
 [Matt in 11]  d=44  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc7 34.Re7 Kc8 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:07) 280295kN
 [Matt in 11]  d=43  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc7 34.Re7 Kc8 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:05) 214847kN
 [Matt in 11]  d=42  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc7 34.Re7 Kc8 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:05) 205506kN
 [Matt in 11]  d=41  29.Bxg7 f6 30.gxh3 Rxb6 31.Rc2 Rb7 32.Bxf6 Rf7 33.Nf5 Kd7 34.Bxe5 Ke8 35.Rc8 Kd7 36.Rc7 Ke8 37.Rh8 Rf8 38.Re7 Kd8 39.Rxf8#(0:00:04) 147543kN
 [Matt in 11]  d=40  29.Bxg7 f6 30.gxh3 Rxb6 31.Rc2 Rb7 32.Bxf6 Rf7 33.Nf5 Kd7 34.Bxe5 Ke8 35.Rc8 Kd7 36.Rc7 Ke8 37.Rh8 Rf8 38.Re7 Kd8 39.Rxf8#(0:00:03) 132288kN
 [Matt in 11]  d=39  29.Bxg7 f6 30.gxh3 Rxb6 31.Rc2 Rb7 32.Bxf6 Rf7 33.Nf5 Kd7 34.Bxe5 Ke8 35.Rc8 Kd7 36.Rc7 Ke8 37.Rh8 Rf8 38.Re7 Kd8 39.Rxf8#(0:00:03) 121146kN
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AdminX
Posts: 6340
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Location: Acworth, GA

Re: TCEC puzzle

Post by AdminX »

Waschbaer wrote:Houdini with GTB database on Ryzen 1800X

normal mode
21 seconds

Code: Select all

 [Matt in 10]  d=49  29.Bxg7 f6 30.gxh3 Rxb6 31.Rc2 Rb7 32.Bxf6 Rf7 33.Nf5 Kd7 34.Rh6 Rxf6 35.Rxf6 Ke8 36.Rc7 Kd8 37.Re7 Kc8 38.Rf8#(0:00:21) 894803kN
 [Matt in 11]  d=48  29.Bxg7 f6 30.gxh3 Rxb6 31.Rc2 Rb7 32.Bxf6 Rf7 33.Nf5 Kd7 34.Bxe5 Ke8 35.Rc8 Kd7 36.Rc7 Ke8 37.Rh8 Rf8 38.Re7 Kd8 39.Rxf8#(0:00:17) 712905kN
 [Matt in 11]  d=47  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc7 34.Re7 Kc8 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:09) 382943kN
 [Matt in 11]  d=46  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc7 34.Re7 Kc8 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:07) 295032kN
 [Matt in 11]  d=45  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc7 34.Re7 Kc8 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:07) 280427kN
 [Matt in 11]  d=44  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc7 34.Re7 Kc8 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:07) 280295kN
 [Matt in 11]  d=43  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc7 34.Re7 Kc8 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:05) 214847kN
 [Matt in 11]  d=42  29.Bxg7 Nf4 30.Rxe5 Kd7 31.Kxf4 Rxb6 32.Nf5 f6 33.Rd2 Kc7 34.Re7 Kc8 35.Rdd7 Rc6 36.Nd6 Rxd6 37.Rxd6 f5 38.exf5 Kb8 39.Rd8#(0:00:05) 205506kN
 [Matt in 11]  d=41  29.Bxg7 f6 30.gxh3 Rxb6 31.Rc2 Rb7 32.Bxf6 Rf7 33.Nf5 Kd7 34.Bxe5 Ke8 35.Rc8 Kd7 36.Rc7 Ke8 37.Rh8 Rf8 38.Re7 Kd8 39.Rxf8#(0:00:04) 147543kN
 [Matt in 11]  d=40  29.Bxg7 f6 30.gxh3 Rxb6 31.Rc2 Rb7 32.Bxf6 Rf7 33.Nf5 Kd7 34.Bxe5 Ke8 35.Rc8 Kd7 36.Rc7 Ke8 37.Rh8 Rf8 38.Re7 Kd8 39.Rxf8#(0:00:03) 132288kN
 [Matt in 11]  d=39  29.Bxg7 f6 30.gxh3 Rxb6 31.Rc2 Rb7 32.Bxf6 Rf7 33.Nf5 Kd7 34.Bxe5 Ke8 35.Rc8 Kd7 36.Rc7 Ke8 37.Rh8 Rf8 38.Re7 Kd8 39.Rxf8#(0:00:03) 121146kN
It took 33 seconds on i4790 using 3 threads
"Good decisions come from experience, and experience comes from bad decisions."
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kgburcham
Posts: 2016
Joined: Sun Feb 17, 2008 4:19 pm

Re: TCEC puzzle

Post by kgburcham »

Jouni wrote: very difficult 10 mover You need Houdini tactical

Analysis by Houdini 6 x64-pext Tac:

29.Bxg7 f6 30.gxh3 Rxb6 31.Rc2 Rb7 32.Bxf6 Rf7 33.Nf5 Kd7 34.Rh6 Re7 35.Bxe7 Ke8 36.Rh7 Kd7 37.Bf6+ Ke6 38.Rc6#
+- (#10) Depth: 43/45 00:00:35 430mN

[D] 8/1r3pr1/1P2k2B/1p2p2R/1p2P2N/1P2K2n/1R3PP1/8 w - -


Engine: Houdini 6.01 Pro x64-pext (8192 MB)
by Robert Houdart
8 threads used
default settings

39/47 0:06 +M11 1.Bxg7 Nf4 2.Rh6+ Ng6 3.Rc2 Re7 4.Bf8 f6 5.Nxg6 Rd7 6.Rc6+ Kf7 7.Rxf6+ Ke8 8.Bxb4 Rd8 9.Nxe5 Rd6 10.Bxd6 b4 11.Rf8+ (174.028.309) 25812 TB:258
39/47 0:06 +M11 1.Bxg7 Nf4 2.Rh6+ Ng6 3.Rc2 Re7 4.Bf8 f6 5.Nxg6 Rd7 6.Rc6+ Kf7 7.Rxf6+ Ke8 8.Bxb4 Rd8 9.Nxe5 Rd6 10.Bxd6 b4 11.Rf8+ (176.285.724) 25848 TB:258
40/47 0:08 +M10 1.Bxg7 Nf4 2.Rh6+ Ng6 3.Rc2 Re7 4.Bxe5 f6 5.Nxg6 Rf7 6.Rc6+ Kd7 7.Rc7+ Ke6 8.Nf4+ Kxe5 9.Rc6 Rh7 10.Nd3+ (212.473.627) 26407 TB:274
40/47 0:08 +M10 1.Bxg7 Nf4 2.Rh6+ Ng6 3.Rc2 Re7 4.Bxe5 f6 5.Nxg6 Rf7 6.Rc6+ Kd7 7.Rc7+ Ke6 8.Nf4+ Kxe5 9.Rc6 Rh7 10.Nd3+ (213.226.762) 26399 TB:274
41/47 0:08 +M10 1.Bxg7 Nf4 2.Rh6+ Ng6 3.Rc2 Re7 4.Bxe5 f6 5.Nxg6 Rf7 6.b7 Rxb7 7.Nf4+ Kd7 8.Rh7+ Kd8 9.Ne6+ Ke8 10.Rc8+ (221.262.869) 26482 TB:274


Engine: Deep Shredder 13 x64 (8192 MB)
by Stefan Meyer-Kahlen
engine now running on 8 thread(s)

48/48 0:33 +M11 1.Bxg7 f6 2.gxh3 Rxb6 3.Nf5 Kd7 4.Rd2+ Kc7 5.Rh7 Rb7 6.Bxf6+ Kb6 7.Ne7 Rc7 8.Nd5+ Kb7 9.Nxc7 Ka7 10.Na8+ Kb8 11.Rd8+ (917.601.806) 27754
49/49 0:36 +M11 1.Bxg7 f6 2.gxh3 Rxb6 3.Nf5 Kd7 4.Rd2+ Kc7 5.Rh7 Rb7 6.Bxf6+ Kb6 7.Ne7 Rc7 8.Nd5+ Kb7 9.Nxc7 Ka7 10.Na8+ Kb8 11.Rd8+ (1.025.940.403) 27774
50/50 0:49 +M10 1.Bxg7 f6 2.gxh3 Rxb6 3.Rc2 Rb7 4.Bxf6 Rf7 5.Nf5 Kd7 6.Rh6 Ke8 7.Nd6+ Kd7 8.Nxf7 Ke6 9.Nxe5 Kd6 10.Rc6+ (1.358.501.293) 27648
51/51 0:52 +M10 1.Bxg7 f6 2.gxh3 Rxb6 3.Rc2 Rb7 4.Bxf6 Rf7 5.Nf5 Kd7 6.Rh6 Ke8 7.Nd6+ Kd7 8.Nxf7 Ke6 9.Nxe5 Kd6 10.Rc6+ (1.456.139.245) 27594


Engine: Stockfish 111017 64 BMI2 (8192 MB)
by T. Romstad, M. Costalba, J. Kiiski, G.

57/22 0:33 +M11 1.Bxg7 Nf4 2.Rxe5+ Kd7 3.Kxf4 Rxb6 4.Nf5 f6 5.Rd2+ Kc8 6.Re7 Rc6 7.Rdd7 Ra6 8.Nd6+ Rxd6 9.Rxd6 f5 10.exf5 Kb8 11.Rd8+ (767.019.316) 22869
58/22 0:35 +M11 1.Bxg7 Nf4 2.Rxe5+ Kd7 3.Kxf4 Rxb6 4.Nf5 f6 5.Rd2+ Kc8 6.Re7 Rc6 7.Rdd7 Ra6 8.Nd6+ Rxd6 9.Rxd6 f5 10.exf5 Kb8 11.Rd8+ (823.654.060) 22908
59/22 0:36 +M11 1.Bxg7 Nf4 2.Rxe5+ Kd7 3.Kxf4 Rxb6 4.Nf5 f6 5.Rd2+ Kc8 6.Re7 Rc6 7.Rdd7 Ra6 8.Nd6+ Rxd6 9.Rxd6 f5 10.exf5 Kb8 11.Rd8+ (842.443.601) 22906
60/22 0:40 +M11 1.Bxg7 Nf4 2.Rxe5+ Kd7 3.Kxf4 Rxb6 4.Nf5 f6 5.Rd2+ Kc8 6.Re7 Rc6 7.Rdd7 Ra6 8.Nd6+ Rxd6 9.Rxd6 f5 10.exf5 Kb8 11.Rd8+ (927.575.378) 22935
61/22 0:57 +M10 1.Bxg7 Nf4 2.Rh6+ Ng6 3.Rc2 Re7 4.Bxe5 Kxe5 5.Nxg6+ Kf6 6.Nxe7+ Kxe7 7.Rc7+ Kf8 8.Rh7 Kg8 9.Rhxf7 Kh8 10.Rc8+ (1.331.756.509) 22966
62/20 0:59 +M10 1.Bxg7 Nf4 2.Rh6+ Ng6 3.Rc2 Re7 4.Bxe5 Kxe5 5.Nxg6+ Kf6 6.Nxe7+ Kxe7 7.Rc7+ Kf8 8.Rh7 Kg8 9.Rhxf7 Kh8 10.Rc8+ (1.374.481.621) 22956
no chess program was born totally from one mind. all chess programs have many ideas from many minds.
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AndrewGrant
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Full name: Andrew Grant

Re: TCEC puzzle

Post by AndrewGrant »

Was surprised to find my engine was able to find the M10

Code: Select all

info depth 31 score mate 10 time 203457 nodes 435048172 nps 2138000 hashfull 361 pv h6g7 h3f4 h5e5 e6d7 e3f4 b7b6 h4f5 f7f6 b2d2 d7c8 e5e7 b6c6 d2d7 c6e6 f5d6 e6d6 d7d6 f6f5 e4f5 c8b8 d6d8
Less Nodes than SF and Shredder, if I am reading that correctly. Although Ethereal does not use threads.
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MikeB
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Re: TCEC puzzle

Post by MikeB »

Jouni wrote:[D]8/1r3pr1/1P2k2B/1p2p2R/1p2P2N/1P2K2n/1R3PP1/8 w - - 5 29

very difficult 10 mover You need Houdini tactical

Analysis by Houdini 6 x64-pext Tac:

29.Bxg7 f6 30.gxh3 Rxb6 31.Rc2 Rb7 32.Bxf6 Rf7 33.Nf5 Kd7 34.Rh6 Re7 35.Bxe7 Ke8 36.Rh7 Kd7 37.Bf6+ Ke6 38.Rc6#
+- (#10) Depth: 43/45 00:00:35 430mN
Or SF-McBrain 3.0 with tactical setting set to 8 and no null move boxed checked. Will be released here tomorrow.

Code: Select all

dep	score	nodes	time	(not shown:  tbhits	knps	seldep)
 39	  #10 	669.0M	0:19.97	Bxg7 f6 gxh3 Rxb6 Rc2 Ra6 Bxf6 Ra1 Nf3 Kxf6 Rc7 Re1+ Nxe1 Kg6 Rch7 Kf6 R5h6+ Kg5 Nf3# 
 38	  #11 	472.9M	0:14.34	Bxg7 f6 gxh3 Rxb6 Rc2 Ra6 Nf5 Ra3 Rc7 Ra7 Rc6+ Kd7 Rd6+ Kc7 Bxf6 Rb7 Rh8 Rb8 Rh7+ Kc8 Rc6# 
 37	  #11 	344.9M	0:10.46	Bxg7 f6 gxh3 Rxb6 Rc2 Ra6 Nf5 Ra3 Rc7 Ra7 Rc6+ Kd7 Rd6+ Kc7 Bxf6 Rb7 Rh8 Rb8 Rh7+ Kc8 Rc6# 
 36	  #11 	323.0M	0:09.82	Bxg7 f6 gxh3 Rxb6 Rc2 Ra6 Nf5 Ra3 Rc7 Ra7 Rc6+ Kd7 Rd6+ Kc7 Bxf6 Rb7 Rh8 Rb8 Rh7+ Kc8 Rc6# 
 35	  #11 	265.0M	0:08.07	Bxg7 f6 gxh3 Rxb6 Rc2 Ra6 Nf5 Ra3 Rc7 Ra7 Rc6+ Kd7 Rd6+ Kc7 Bxf6 Rb7 Rh8 Rb8 Rh7+ Kc8 Rc6# 
 34	  #11 	238.8M	0:07.28	Bxg7 f6 gxh3 Rxb6 Rc2 Ra6 Nf5 Ra3 Rc7 Ra7 Rc6+ Kd7 Rd6+ Kc7 Bxf6 Rb7 Rh8 Rb8 Rh7+ Kc8 Rc6# 
 33	  #11 	203.1M	0:06.19	Bxg7 f6 Rh6 Rxg7 gxh3 Rb7 Rc2 Rd7 Nf5 Rf7 Rc7 Rd7 Rxd7 Kxd7 Rh7+ Kc8 Nd6+ Kd8 b7 f5 b8=Q# 
 32	  #11 	163.8M	0:05.01	Bxg7 f6 gxh3 Rxb6 Rc2 Ra6 Nf5 Ra3 Rc7 Ra7 Rc6+ Kd7 Rd6+ Kc7 Bxf6 Rb7 Rh8 Rb8 Rh7+ Kc8 Rc6# 
 31	  #11 	142.6M	0:04.36	Bxg7 f6 Rh6 Rxg7 gxh3 Rb7 Rc2 Rd7 Nf5 Rf7 Rc7 Rd7 Rxd7 Kxd7 Rh7+ Kc8 Nd6+ Kd8 b7 f5 b8=Q# 
 30	  #11 	124.9M	0:03.81	Bxg7 f6 gxh3 Rxb6 Rc2 Ra6 Nf5 Ra3 Rc7 Ra7 Rc6+ Kd7 Rd6+ Kc7 Bxf6 Rb7 Rh8 Rb8 Rh7+ Kc8 Rc6# 
 29	  #11 	113.2M	0:03.44	Bxg7 f6 Rh6 Rxg7 gxh3 Rb7 Rc2 Rd7 Nf5 Rf7 Rc7 Rd7 Rxd7 Kxd7 Rh7+ Kc8 Nd6+ Kd8 b7 f5 b8=Q# 
 28	  #11 	106.1M	0:03.22	Bxg7 f6 Rh6 Rxg7 gxh3 Rb7 Rc2 Rd7 Nf5 Rf7 Rc7 Rd7 Rxd7 Kxd7 Rh7+ Kc8 Nd6+ Kd8 b7 f5 b8=Q# 
 27	  #12 	81.1M  	0:02.45	Bxg7 f6 Bxf6 Nf4 Rh6 Kf7 Bxe5 Nd3 Kxd3 Rd7+ Bd4 Kf8 Rc2 Ke7 b7 Rd8 Rc7+ Rd7 b8=Q Rxc7 Qxc7+ Ke8 Rh8# 
 26	  #12 	66.8M  	0:02.02	Bxg7 f6 Bxf6 Nf4 Rh6 Kf7 Bxe5 Nd3 Kxd3 Rd7+ Bd4 Kf8 Rc2 Ke7 b7 Rd8 Rc7+ Rd7 b8=Q Rxc7 Qxc7+ Ke8 Rh8# 
 25	  #12 	58.8M  	0:01.78	Bxg7 f6 Bxf6 Nf4 Rh6 Kf7 Bxe5 Nd3 Kxd3 Rd7+ Bd4 Kf8 Rc2 Ke7 b7 Rd8 Rc7+ Rd7 b8=Q Rxc7 Qxc7+ Ke8 Rh8# 
 24	  #12 	51.7M  	0:01.55	Bxg7 f6 Bxf6 Nf4 Rh6 Kf7 Bxe5 Nd3 Kxd3 Rd7+ Bd4 Kf8 Rc2 Ke7 b7 Rd8 Rc7+ Rd7 b8=Q Rxc7 Qxc7+ Ke8 Rh8# 
 23	  #12 	48.6M  	0:01.45	Bxg7 f6 Bxf6 Nf4 Rh6 Kf7 Rc2 Rd7 Rh7+ Ke6 Rc6+ Rd6 Rxd6+ Kxd6 b7 Kc5 Bxe5 Nxg2+ Nxg2 Kb6 b8=Q+ Ka5 Ra7# 
 22	  #13 	37.6M  	0:01.11	Bxg7 f6 Bxf6 Nf4 Rh6 Kf7 Bxe5 Nd3 Kxd3 Rd7+ Ke3 Re7 Rh7+ Ke6 Rxe7+ Kxe7 b7 Ke6 b8=Q Ke7 Rc2 Kf7 Rc7+ Ke6 Qe8# 
 21	  #13 	37.4M  	0:01.10	Bxg7 f6 Bxf6 Nf4 Rh6 Kf7 Bxe5 Nd3 Kxd3 Rd7+ Ke3 Re7 Rh7+ Ke6 Rxe7+ Kxe7 b7 Ke6 b8=Q Kf7 Nf5 Kg6 Qg8+ Kh5 g4# 
 20	  #14 	28.0M  	0:00.81	Bxg7 f6 Bxf6 Nf4 Rh6 Kd7 Bxe5 Ne6 Rd2+ Ke8 Rxe6+ Kf8 Nf5 Kf7 Rh6 Ke8 Rh8+ Kf7 Rh7+ Kg6 Rxb7 Kh5 Rd6 Kg5 Rg7+ Kh5 
 19	  #19 	25.9M  	0:00.74	Bxg7 Nf4 Rxe5+ Kd7 Kxf4 Rxb6 Rd2+ Rd6 Rxd6+ Kxd6 Rxb5 Ke6 Rxb4 f6 Rb6+ Kd7 Bxf6 Ke8 Nf5 Kd7 Rd6+ Kc7 Rd4 Kb7 Rb4+ Kc7 Rc4+ Kd7 
 18	+65.62 	19.9M  	0:00.56	Bxg7 f6 Bxf6 Kxf6 gxh3 Rxb6 Rh6+ Kg5 Rxb6 Kxh4 Rxb5 Kg5 f4+ Kh4 Rxb4 Kg3 fxe5 Kh4 Rg2 Kxh3 e6 Kh4 e7 Kh3 e8=Q 
 17	+56.97 	10.9M  	0:00.31	Bxg7 f6 Bxf6 Kxf6 gxh3 Rxb6 Rh6+ Kg5 Rxb6 Kxh4 Rxb5 Kh5 Rxe5+ Kg6 Rb5 Kg7 Rxb4 Kf6 Rb7 Kg5 Rc2 Kh4 Rh7+ Kg5 
 16	+26.25 	8.19M  	0:00.23	Bxg7 f6 Bxf6 Kxf6 gxh3 Rb8 f4 exf4+ Kxf4 Kf7 b7 Rd8 Rg2 Rb8 Rh7+ Kf8 Rh8+ Kf7 Rxb8 Ke7 Nf5+ Kd7 Rg7+ Kc6 
 15	+16.61 	3.93M  	0:00.11	Bxg7 f6 Bxf6 Kxf6 gxh3 Rd7 Nf3 Rb7 Nxe5 Rg7 f3 Re7 b7 Rxb7 Rg2 Ke6 Rh6+ Ke7 Rh7+ Kf8 Rxb7 
 14	+16.15 	3.35M  	0:00.10	Bxg7 f6 Bxf6 Kxf6 gxh3 Rd7 Nf3 Re7 Rf5+ Kg6 Rxe5 Rh7 Rxb5 Rxh3 b7 Rh8 Rb6+ Kh7 b8=Q 
 13	+15.02 	2.14M  	0:00.06	Bxg7 f6 Bxf6 Kxf6 gxh3 Rb8 f4 Kf7 b7 Ke6 Rh6+ Kf7 fxe5 Kg7 Nf5+ Kf7 Rg2 
 12	+13.36 	870804	0:00.03	Bxg7 f6 Bxf6 Kxf6 gxh3 Rg7 Nf3 Re7 Rf5+ Kg7 Rxe5 Rb7 Rxb5 Kh6 Rxb4 Kg6 Rc2 Rg7 Rc7 
 11	+12.21 	434720	0:00.02	Bxg7 f6 Bxf6 Kxf6 gxh3 Rb8 f4 exf4+ Kxf4 Kf7 Rf5+ Ke8 Rxb5 Kd7 Nf5 Kc6 Nd4+ Kb7 Rxb4 Rh8 
 10	+12.10 	246204	0:00.01	Bxg7 f6 Bxf6 Kxf6 gxh3 Rb8 f4 exf4+ Kxf4 Kf7 Rf5+ Ke8 Rxb5 Rb7 Rxb4 
  9	+11.86 	196489	0:00.01	Bxg7 f6 Bxf6 Nf4 Rf5 Kd7 Rxe5 Rxb6 Be7 Ne6 Bxb4 
  8	+10.88 	22938  	0:00.00	Bxg7 f6 Bxf6 Kxf6 gxh3 Rb8 Nf5 Kf7 Nd6+ Kf6 
  7	+10.92 	19646  	0:00.00	Bxg7 f6 Bxf6 Kxf6 gxh3 Re7 Nf3 
  6	+11.47 	16637  	0:00.00	Bxg7 f5 Nxf5 Nf4 Rh2 Rf7 Rh6+ Kd7 Bxe5 
  5	+10.74 	9488    	0:00.00	Bxg7 f6 Bxf6 Kxf6 gxh3 
  4	+10.17 	8152    	0:00.00	Bxg7 f6 Bh6 Ng5 
  3	+10.71 	6006    	0:00.00	Bxg7 f6 Bxf6 
  2	+10.52 	4967    	0:00.00	Bxg7 f6 
  1	+12.84 	2533    	0:00.00	f3 
  0	#
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