Old, but still difficult mate in 11 position

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Jouni
Posts: 3293
Joined: Wed Mar 08, 2006 8:15 pm

Old, but still difficult mate in 11 position

Post by Jouni »

[D]3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - 11x

Only solution among my top engines:

Analysis by Houdini 1.03a x64 2_CPU:

1.e4 Qd4 2.Qg4 Kd8 3.Nc3 Qd7 4.Qf4 Kc8 5.Ba6+ Kd8 6.Bb5 Qe6 7.Nd5 Qxd5 8.exd5 Kc8 9.Bc6 Kd8 10.d6 Kc8 11.Qf8#
+- (#11) Depth: 29/49 00:11:59 2986mN

Jouni
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zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Old, but still difficult mate in 11 position

Post by zullil »

This has been proved to be mate-in-11?
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rlsuth
Posts: 322
Joined: Wed Mar 08, 2006 9:37 pm

Re: Old, but still difficult mate in 11 position

Post by rlsuth »

zullil wrote:This has been proved to be mate-in-11?

According to ChestUCI it is a mate in 11.
I'm running it from scratch to verify though.
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zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Old, but still difficult mate in 11 position

Post by zullil »

Thanks
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Jouni
Posts: 3293
Joined: Wed Mar 08, 2006 8:15 pm

Re: Old, but still difficult mate in 11 position

Post by Jouni »

Have You really Chest solution? When I execute first moves Chest doesn't
find even mate in 10 in one hour...

Jouni
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rlsuth
Posts: 322
Joined: Wed Mar 08, 2006 9:37 pm

Re: Old, but still difficult mate in 11 position

Post by rlsuth »

Jouni wrote:Have You really Chest solution? When I execute first moves Chest doesn't
find even mate in 10 in one hour...

Jouni

The Chest database says it's mate in 11. My check using chest is also still running.
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Dann Corbit
Posts: 12542
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Old, but still difficult mate in 11 position

Post by Dann Corbit »

The only program to resolve mate in 11 that I tried (given 3 minutes to solve) was "JohnDig".

3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - acd 15/59; acn 276263887; acs 175; bm e4; ce 32738; pv e4 Qh4 Nc3 Qf6 Qh5+ Qf7 Qh8+ Qf8 Qe5+ Qe7 Qb8+ Qd8 Bb5+ Ke7 Nd5+ Qxd5 Qe8+ Kf6 exd5 Kg7 d4 Kf6 Qf8+ Kg6 Bd3+ Kh5 Qh6+ Kg4 Qh3#; c0 "Bright";
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - acd 19; acn 1494174609; acs 92; bm 1.; ce 4317; pv 1. d4!; c0 "Crafty";
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - acd 14; acn 79181896; acs 127; bm e4; ce 32742; pv e4 Qd6 Qh5+ Kd8 Qd5 Qxd5 exd5 Ke8 a4 Kd7 a5 Kd6 a6 Kc5 a7 Kxd5 a8=Q+ Kd6 d4 Kc7 Ra7+ Kd6 Ra6+ Ke7 Ra7+ Kf6 Ra6+ Kg7 Bh6+ Kf7; c0 "Rybka";
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - acd 17; acn 1648831159; acs 149; bm e4; ce 3883; pv e4 Qh4 Nc3 Kf8 Qf3+ Kg7 e5 Qg5 Bc4 Qxe5+ Ne4 Qe8 Qf6+ Kh7 Be6 Qxe6 Qxe6 Kg7; c0 "Junior";
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - acd 15/38; acn 81916884; acs 20; bm d4; ce 3701; pv d4 Qa5+ Nc3 Qh5 Nf3 Kf8 e4 Kg8 Nd5 Kg7 Ne5 Qxd1+ Kxd1 Kh7 Bg5; c0 "Shredder";
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - acd 16/49+; acn 116106056; acs 41; bm e4; ce 3790; pv e4; c0 "Sjeng";
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - acd 28; acn 1449323696; acs 163; bm e4; ce 32744; pv e4 Qd4 Qh5+ Kf8 Qh6+ Kf7 Nc3 Qg7 Bc4+ Kf8 Qf4+ Ke7 Nd5+ Ke6 d4 Qxd4 Qf5+ Kd6 Bf4+ Qe5 Bxe5+ Kc5 Qc8#; c0 "Fire";
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - acd 16/41; acn 426067303; acs 147; bm e4; ce 32388; pv e4; c0 "Hiarcs";
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - acd 28/45; acn 776117789; acs 149; bm e4; ce 32744; pv e4 Qd4 Qh5+ Kf8 Nc3 Kg7 Nf3 Qf6 Bc4 Qg6 Qe5+ Qf6 Qc7+ Kf8 b3 Ke8 Ba3 Qd6 Qf7+ Kd8 Bxd6 Kc8; c0 "Houdini";
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - acd 26; acn 1146425533; acs 171; bm e4; ce 32746; pv e4 Qd4 Qf3 Kd8 Nc3 Qg7 d4 Qe7 Qf5 Qe8 Qa5+ Kd7 Qd5+ Kc8 Ba6+ Kc7 Bf4+ Kb6 Qb7+ Ka5 b4#; c0 "Ivanhoe";
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - acd 14; acn 252694076; acs 38; bm e4; ce 5414; pv e4 Qd4 Bb5+ Kf8 Qg4 Qc5 Nc3 Kf7 Nf3 Kf8 d4 Qd6 e5 Qb6 e6 Qb7; c0 "Loop";
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - acd 34/34; acn 913918750; acs 165; bm e4; ce 32744; pv e4 Qd6 Qg4 Ke7 Nc3 Qe6 Qg7+ Qf7 Nd5+ Ke6 Qh8 Kd6 d4 Qxd5 exd5 Kc7 Qh7+ Kc8 Qf7 Kd8 Bf4; c0 "Naum";
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - acd 16/35; acn 79427827; acs 69; bm e4; ce 4275; pv e4 Qe7 Qh5+ Kd8 Qa5+ Kc8 Qa8+ Kd7; c0 "Protector";
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - acd 18; acn 1535705949; acs 158; bm e4; ce 4396; pv e4 Qe7 Bb5+ Kd8 Qg4 Qf7 Qg3 Kc8 Qd6 Qc7 Qxc7+ Kxc7 e5 Kb6 e6 Kxb5 e7 Kc5 e8=Q Kd6 Nc3 Kc7 Nf3 Kd6 Ne4+ Kd5; c0 "Scorpio";
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - acd 18/40; acn 415598532; acs 115; bm e4; ce 28956; pv e4; c0 "Spark";
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - acd 20+; acn 89423121; acs 14; bm e4; ce 32698; pv e4 Ke7; c0 "Stockfish";
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - acd 14/48; acn 213397911; acs 79; bm e4; ce 3049; pv e4 Qd4 Qh5+ Kf8 Qf5+ Kg7 Nf3 Qf6 Qc8 Qf8 Qg4+ Kf6 e5+ Ke7 Qb4+ Ke8 Bb5+ Kf7 Ng5+ Kg8 Bc4+ Kg7 Ne6+ Kh6 Nxf8 Kg5 d4+ Kh4 Qe7+ Kh5 Bf7+ Kg4 h3+; c0 "Zappa";
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svchbe

Re: Old, but still difficult mate in 11 position

Post by svchbe »

Hiarcs13.1:
1. e4 Qe7 2. Qh5+ Kd8 3. Nc3 Qe8 4. Qh6 Kc8 5. d4 Qd7 6. Bf4 Kd8 7. Bb5 Qxb5 8.Nxb5 Ke7 9. Qg7+ Ke8 10. Nd6+ Kd8 11. Bg5# (0:05:00) 600979kn
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Dann Corbit
Posts: 12542
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: Old, but still difficult mate in 11 position

Post by Dann Corbit »

Here is the JohnDig full output from Arena log file:

Code: Select all

Analysis from Q:\dm11.epd   
09/08/2010 1:16:02 PM Level: 20 Seconds
Analyzing engine: Ivanhoe 52 gu DC

1)                      
    Avoid move: 
    Best move (Ivanhoe 52 gu DC): e2-e4
    Not found in: 03:00
   Ivanhoe 52 gu DC by Yakov Petrovich Golyadkin, Igor Igorovich Igoronov, Roberto Pescatore, Yusuf Ralf Weisskopf, Ivan Skavinsky Skavar plus Decembrists (all)
      2	00:40	         273	0	+28.14	Ng1f3 Qd8d6 Nb1c3
      2	00:40	         337	0	+28.14	Ng1f3 Qd8d6 Nb1c3
      3	00:40	         403	0	+28.14	Ng1f3 Qd8d6 Nb1c3
      3	00:40	         452	0	+28.14	Ng1f3 Qd8d6 Nb1c3
      4	00:40	         967	0	+28.32	Ng1f3 Qd8d6 Nb1c3 Ke8f7 d2d4
      4	00:40	       1.352	0	+28.32	Ng1f3 Qd8d6 Nb1c3 Ke8f7 d2d4
      5	00:40	       2.232	0	+28.32	Ng1f3 Ke8f7 Nb1c3 Qd8d6 d2d4
      5	00:40	       8.714	544.000	+28.56	e2e4 Ke8f8 Qd1f3+ Kf8g7 Bf1c4 Qd8d4 d2d3
      5	00:40	       8.750	546.000	+28.56	e2e4 Ke8f8 Qd1f3+ Kf8g7 Bf1c4 Qd8d4 d2d3
      6	00:40	      23.404	1.462.000	+28.79	e2e4 Qd8d4 Qd1h5+ Ke8f8 Nb1c3 Kf8g7 Qh5g5+ Kg7h7 Ng1f3
      6	00:40	      23.442	1.465.000	+28.79	e2e4 Qd8d4 Qd1h5+ Ke8f8 Nb1c3 Kf8g7 Qh5g5+ Kg7h7 Ng1f3
      7+	00:40	      32.755	2.047.000	+28.87	e2e4 Qd8d4 Qd1h5+ Ke8f8 Nb1c3 Kf8g7 Qh5g5+ Kg7h7 Ng1f3
      7+	00:40	      45.513	1.468.000	+28.95	e2e4 Qd8d4 Qd1h5+ Ke8f8 Nb1c3 Kf8g7 Qh5g5+ Kg7f8 Ng1f3
      7	00:40	      63.800	1.357.000	+29.01	e2e4 Ke8f8 d2d4 Qd8d6 Nb1c3 Qd6g6 d4d5 Qg6d6 Ng1f3
      7	00:40	      63.839	1.358.000	+29.01	e2e4 Ke8f8 d2d4 Qd8d6 Nb1c3 Qd6g6 d4d5 Qg6d6 Ng1f3
      8+	00:40	      88.405	1.880.000	+29.09	e2e4 Ke8f8 d2d4 Qd8d6 Nb1c3 Qd6g6 d4d5 Qg6d6 Ng1f3
      8	00:40	     114.613	2.438.000	+29.16	e2e4 Qd8h4 Nb1c3 Ke8d7 Qd1f3 Qh4e7 d2d4 Kd7c8 e4e5
      8	00:40	     114.660	2.439.000	+29.16	e2e4 Qd8h4 Nb1c3 Ke8d7 Qd1f3 Qh4e7 d2d4 Kd7c8 e4e5
      9+	00:40	     153.392	2.474.000	+29.24	e2e4 Qd8h4 Nb1c3 Ke8d7 Qd1f3 Qh4e7 d2d4 Kd7c8 e4e5
      9+	00:40	     185.199	2.987.000	+29.32	e2e4 Qd8h4 Nb1c3 Ke8d7 Qd1f3 Qh4e7 d2d4 Kd7c8 e4e5 Kc8b8 h2h4
      9	00:40	     233.767	2.997.000	+29.39	e2e4 Qd8d4 Qd1h5+ Ke8f8 Nb1c3 Kf8g7 Ng1f3 Qd4a7 Qh5g4+ Kg7f8 Nc3d5
      9	00:40	     237.149	3.040.000	+29.39	e2e4 Qd8d4 Qd1h5+ Ke8f8 Nb1c3 Kf8g7 Ng1f3 Qd4a7 Qh5g4+ Kg7f8 Nc3d5
     10+	00:40	     320.348	3.407.000	+29.47	e2e4 Qd8d4 Qd1h5+ Ke8f8 Nb1c3 Kf8g7 Ng1f3 Qd4a7 Qh5g4+ Kg7f8 Nc3d5
     10+	00:40	     364.827	3.347.000	+29.55	e2e4 Qd8d4 Qd1h5+ Ke8f8 Nb1c3 Kf8g7 Ng1f3 Qd4a7 Qh5g4+ Kg7f8 Nc3d5
     10+	00:40	     411.203	3.772.000	+29.67	e2e4 Qd8d4 Qd1h5+ Ke8f8 Nb1c3 Kf8g7 Ng1f3 Qd4a7 Qh5g4+ Kg7f8 Nc3d5
     10+	00:40	     501.584	4.012.000	+29.85	e2e4 Qd8d4 Qd1h5+ Ke8f8 Nb1c3 Kf8g7 Ng1f3 Qd4a7 Qh5g4+ Kg7h8 Qg4c8+ Kh8g7 Nc3d5 Qa7f7 d2d4
     10	00:40	     604.680	4.319.000	+29.81	e2e4 Qd8b6 d2d4 Qb6g6 Nb1c3 Ke8d7 Ng1f3 Kd7c7 Nf3e5 Qg6g7 Nc3d5+ Kc7b8 Qd1g4
     10	00:40	     607.261	4.337.000	+29.81	e2e4 Qd8b6 d2d4 Qb6g6 Nb1c3 Ke8d7 Ng1f3 Kd7c7 Nf3e5 Qg6g7 Nc3d5+ Kc7b8 Qd1g4
     11+	00:40	     714.572	4.154.000	+29.89	e2e4 Qd8b6 d2d4 Qb6g6 Nb1c3 Ke8d7 Ng1f3 Kd7c7 Nf3e5 Qg6g7 Nc3d5+ Kc7b8 Qd1g4
     11+	00:40	     783.143	4.553.000	+29.97	e2e4 Qd8b6 d2d4 Qb6g6 Nb1c3 Ke8d7 Ng1f3 Kd7c7 Nf3e5 Qg6g7 Nc3d5+ Kc7b8 Qd1g4
     11+	00:40	     862.397	4.248.000	+30.09	e2e4 Qd8b6 d2d4 Qb6g6 Nb1c3 Ke8d7 Ng1f3 Kd7c7 Nf3e5 Qg6g7 Nc3d5+ Kc7b8 Qd1g4
     11	00:40	     952.190	4.367.000	+30.17	e2e4 Qd8b6 d2d4 Qb6g6 Nb1c3 Ke8d8 Ng1f3 Kd8c7 Nf3e5 Qg6e6 Nc3d5+ Kc7b8 Qd1g4 Qe6e8 h2h4
     11	00:40	     964.730	4.425.000	+30.17	e2e4 Qd8b6 d2d4 Qb6g6 Nb1c3 Ke8d8 Ng1f3 Kd8c7 Nf3e5 Qg6e6 Nc3d5+ Kc7b8 Qd1g4 Qe6e8 h2h4
     12+	00:40	   1.106.256	4.727.000	+30.25	e2e4 Qd8b6 d2d4 Qb6g6 Nb1c3 Ke8d8 Ng1f3 Kd8c7 Nf3e5 Qg6e6 Nc3d5+ Kc7b8 Qd1g4 Qe6e8 h2h4
     12+	00:40	   1.200.808	4.803.000	+30.33	e2e4 Qd8b6 d2d4 Qb6g6 Nb1c3 Ke8d8 Ng1f3 Kd8c7 Nf3e5 Qg6e6 Nc3d5+ Kc7b8 Qd1g4 Qe6e8 h2h4
     12+	00:40	   1.776.496	5.179.000	+31.90	e2e4 Qd8b6 d2d4 Qb6g6 Nb1c3 Ke8d8 Ng1f3 Kd8c7 Nf3e5 Qg6e6 Nc3d5+ Kc7b8 Qd1g4 Qe6e8 h2h4
     12	00:40	   2.125.895	5.451.000	+32.31	e2e4 Qd8b6 d2d4 Ke8f8 Nb1c3 Qb6c6 Qd1h5 Kf8g7 Qh5e5+ Kg7g6 Qe5d5 Qc6c8 Qd5g5+ Kg6f7 Qg5f5+ Qc8xf5 e4xf5 Kf7f6 g2g4
     12	00:40	   2.126.609	5.452.000	+32.31	e2e4 Qd8b6 d2d4 Ke8f8 Nb1c3 Qb6c6 Qd1h5 Kf8g7 Qh5e5+ Kg7g6 Qe5d5 Qc6c8 Qd5g5+ Kg6f7 Qg5f5+ Qc8xf5 e4xf5 Kf7f6 g2g4
     13+	00:40	   2.297.123	5.456.000	+32.39	e2e4 Qd8b6 d2d4 Ke8f8 Nb1c3 Qb6c6 Qd1h5 Kf8g7 Qh5e5+ Kg7g6 Qe5d5 Qc6c8 Qd5g5+ Kg6f7 Qg5f5+ Qc8xf5 e4xf5 Kf7f6 g2g4
     13+	00:40	   2.435.403	5.573.000	+32.47	e2e4 Qd8b6 d2d4 Ke8f8 Nb1c3 Qb6c6 Qd1h5 Kf8g7 Qh5e5+ Kg7g6 Qe5d5 Qc6c8 Qd5g5+ Kg6f7 Qg5f5+ Qc8xf5 e4xf5 Kf7f6 g2g4
     13+	00:40	   2.837.545	5.862.000	+32.77	e2e4 Qd8b6 d2d4 Ke8f8 Nb1c3 Qb6c6 Qd1h5 Kf8g7 Qh5e5+ Kg7g6 Qe5d5 Qc6c8 Qd5g5+ Kg6f7 Qg5f5+ Qc8xf5 e4xf5 Kf7f6 g2g4
     13	00:40	   3.308.409	6.059.000	+32.97	e2e4 Qd8b6 d2d4 Ke8f8 Nb1c3 Qb6c6 Qd1h5 Kf8g7 Qh5c5 Qc6d7 Qc5e5+ Kg7g6 Qe5g5+ Kg6f7 Qg5d5+ Qd7e6 Qd5xe6+ Kf7xe6 e4e5 Ke6d7 h2h4
     13	00:40	   3.309.181	6.060.000	+32.97	e2e4 Qd8b6 d2d4 Ke8f8 Nb1c3 Qb6c6 Qd1h5 Kf8g7 Qh5c5 Qc6d7 Qc5e5+ Kg7g6 Qe5g5+ Kg6f7 Qg5d5+ Qd7e6 Qd5xe6+ Kf7xe6 e4e5 Ke6d7 h2h4
     14+	00:40	   3.789.042	6.231.000	+33.05	e2e4 Qd8b6 d2d4 Ke8f8 Nb1c3 Qb6c6 Qd1h5 Kf8g7 Qh5c5 Qc6d7 Qc5e5+ Kg7g6 Qe5g5+ Kg6f7 Qg5d5+ Qd7e6 Qd5xe6+ Kf7xe6 e4e5 Ke6d7 h2h4
     14+	00:40	   4.157.741	6.347.000	+33.13	e2e4 Qd8b6 d2d4 Ke8f8 Nb1c3 Qb6c6 Qd1h5 Kf8g7 Qh5c5 Qc6d7 Qc5e5+ Kg7g6 Qe5g5+ Kg6f7 Qg5d5+ Qd7e6 Qd5xe6+ Kf7xe6 e4e5 Ke6d7 Ng1f3 Kd7e7 Bf1b5 Ke7e6 Bb5c4+ Ke6d7 Ke1e2
     14+	00:40	   4.537.534	6.319.000	+33.25	e2e4 Qd8b6 d2d4 Ke8f8 Nb1c3 Qb6c6 Qd1h5 Kf8g7 Qh5c5 Qc6d7 Qc5e5+ Kg7g6 Qe5g5+ Kg6f7 Qg5d5+ Qd7e6 Qd5xe6+ Kf7xe6 e4e5 Ke6d7 Ng1f3 Kd7e7 Bf1b5 Ke7e6 Bb5c4+ Ke6d7 Ke1e2
     14	00:41	   5.041.629	6.463.000	+33.35	e2e4 Qd8b6 d2d4 Ke8f8 Nb1c3 Qb6c6 Qd1h5 Kf8g7 Qh5e5+ Kg7h7 Qe5c5 Qc6g6 Qc5e7+ Kh7h8 Nc3d5 Qg6c6 Qe7f8+ Kh8h7 Qf8f7+ Kh7h8 Qf7f6+ Qc6xf6 Nd5xf6 Kh8g7 e4e5 Kg7f7 Bf1c4+ Kf7e7 a2a4
     14	00:41	   5.042.998	6.465.000	+33.35	e2e4 Qd8b6 d2d4 Ke8f8 Nb1c3 Qb6c6 Qd1h5 Kf8g7 Qh5e5+ Kg7h7 Qe5c5 Qc6g6 Qc5e7+ Kh7h8 Nc3d5 Qg6c6 Qe7f8+ Kh8h7 Qf8f7+ Kh7h8 Qf7f6+ Qc6xf6 Nd5xf6 Kh8g7 e4e5 Kg7f7 Bf1c4+ Kf7e7 a2a4
     15+	00:41	   5.719.660	6.544.000	+33.43	e2e4 Qd8b6 d2d4 Ke8f8 Nb1c3 Qb6c6 Qd1h5 Kf8g7 Qh5e5+ Kg7h7 Qe5c5 Qc6g6 Qc5e7+ Kh7h8 Nc3d5 Qg6c6 Qe7f6+ Qc6xf6 Nd5xf6 Kh8g7 e4e5 Kg7f7 Bf1c4+ Kf7e7 a2a4
     15+	00:41	   6.383.272	6.601.000	+33.51	e2e4 Qd8b6 d2d4 Ke8f8 Nb1c3 Qb6c6 Qd1h5 Kf8g7 Qh5e5+ Kg7h7 Qe5c5 Qc6g6 Qc5e7+ Kh7h8 Nc3d5 Qg6c6 Qe7f6+ Qc6xf6 Nd5xf6 Kh8g7 e4e5 Kg7f7 Bf1c4+ Kf7e7 a2a4
     15+	00:41	   7.593.493	6.402.000	+33.81	e2e4 Qd8b6 d2d4 Ke8f8 Nb1c3 Qb6c6 Qd1h5 Kf8g7 Qh5e5+ Kg7h7 Qe5c5 Qc6g6 Qc5e7+ Kh7h8 Nc3d5 Qg6c6 Qe7f6+ Qc6xf6 Nd5xf6 Kh8g7 e4e5 Kg7f7 Bf1c4+ Kf7e7 a2a4
     15	00:41	   8.423.328	6.276.000	+33.95	e2e4 Qd8b6 d2d4 Ke8d8 Qd1g4 Qb6c6 Qg4g8+ Kd8d7 Qg8d5+ Qc6xd5 e4xd5 Kd7d6 Bf1c4 Kd6d7 Nb1c3 Kd7e7 Nc3e4 Ke7d7 d5d6 Kd7c6 Ng1f3 Kc6b7 Nf3e5
     15	00:41	   8.426.234	6.278.000	+33.95	e2e4 Qd8b6 d2d4 Ke8d8 Qd1g4 Qb6c6 Qg4g8+ Kd8d7 Qg8d5+ Qc6xd5 e4xd5 Kd7d6 Bf1c4 Kd6d7 Nb1c3 Kd7e7 Nc3e4 Ke7d7 d5d6 Kd7c6 Ng1f3 Kc6b7 Nf3e5
     16+	00:41	   9.155.997	6.245.000	+34.03	e2e4 Qd8b6 d2d4 Ke8d8 Qd1g4 Qb6c6 Qg4g8+ Kd8d7 Qg8d5+ Qc6xd5 e4xd5 Kd7d6 Bf1c4 Kd6d7 Nb1c3 Kd7e7 Nc3e4 Ke7d7 d5d6 Kd7c6 Ng1f3 Kc6b7 Nf3e5
     16+	00:41	  10.318.503	6.238.000	+34.11	e2e4 Qd8b6 d2d4 Ke8d8 Qd1g4 Qb6c6 Qg4g8+ Kd8d7 Qg8d5+ Qc6xd5 e4xd5 Kd7d6 Bf1c4 Kd6d7 Nb1c3 Kd7e7 Nc3e4 Ke7d7 d5d6 Kd7c6 Ng1f3 Kc6b7 Nf3e5
     16+	00:42	  11.202.467	6.189.000	+34.23	e2e4 Qd8b6 d2d4 Ke8d8 Qd1g4 Qb6c6 Qg4g8+ Kd8d7 Qg8d5+ Qc6xd5 e4xd5 Kd7d6 Bf1c4 Kd6d7 Nb1c3 Kd7e7 Nc3e4 Ke7d7 d5d6 Kd7c6 Ng1f3 Kc6b7 Nf3e5
     16+	00:42	  12.263.261	5.999.000	+34.41	e2e4 Qd8b6 d2d4 Ke8d8 Qd1g4 Qb6c6 Qg4g8+ Kd8d7 Qg8d5+ Qc6xd5 e4xd5 Kd7d6 Bf1c4 Kd6d7 Bc1f4 Kd7d8 Nb1c3 Kd8e8 d5d6 Ke8f8 Bc4b5 Kf8g7 d6d7
     16+	00:43	  18.557.368	5.407.000	+36.58	e2e4 Qd8b6 d2d4 Ke8d8 Qd1g4 Qb6c6 Qg4g8+ Kd8d7 Qg8d5+ Qc6xd5 e4xd5 Kd7d6 Bf1c4 Kd6d7 Bc1f4 Kd7d8 Nb1c3 Kd8e8 d5d6 Ke8f8 Bc4b5 Kf8g7 d6d7
     16	00:44	  20.682.365	5.434.000	+37.51	e2e4 Qd8b6 d2d4 Ke8d8 Qd1g4 Qb6c6 Qg4g8+ Kd8d7 Qg8d5+ Qc6xd5 e4xd5 Kd7d6 Bf1c4 Kd6d7 Nb1c3 Kd7e7 Nc3e4 Ke7f7 d5d6+ Kf7g6 Bc4b5 Kg6f5 d6d7 Kf5xe4 d7d8Q Ke4f5 Ng1f3
     16	00:44	  20.686.146	5.435.000	+37.51	e2e4 Qd8b6 d2d4 Ke8d8 Qd1g4 Qb6c6 Qg4g8+ Kd8d7 Qg8d5+ Qc6xd5 e4xd5 Kd7d6 Bf1c4 Kd6d7 Nb1c3 Kd7e7 Nc3e4 Ke7f7 d5d6+ Kf7g6 Bc4b5 Kg6f5 d6d7 Kf5xe4 d7d8Q Ke4f5 Ng1f3
     17+	00:44	  22.595.231	5.507.000	+37.59	e2e4 Qd8b6 d2d4 Ke8d8 Qd1g4 Qb6c6 Qg4g8+ Kd8d7 Qg8d5+ Qc6xd5 e4xd5 Kd7d6 Bf1c4 Kd6d7 Nb1c3 Kd7e7 Nc3e4 Ke7f7 d5d6+ Kf7g6 Bc4b5 Kg6f5 d6d7 Kf5xe4 d7d8Q Ke4f5 Ng1f3
     17+	00:44	  24.605.459	5.612.000	+37.67	e2e4 Qd8b6 d2d4 Ke8d8 Qd1g4 Qb6c6 Qg4g8+ Kd8d7 Qg8d5+ Qc6xd5 e4xd5 Kd7d6 Bf1c4 Kd6d7 Nb1c3 Kd7e7 Nc3e4 Ke7f7 d5d6+ Kf7g6 Bc4b5 Kg6f5 d6d7 Kf5xe4 d7d8Q Ke4f5 Ng1f3
     17+	00:54	  97.433.932	7.009.000	+51.08	e2e4 Qd8b6 d2d4 Ke8d8 Qd1g4 Qb6c6 Qg4g8+ Kd8d7 Qg8d5+ Qc6xd5 e4xd5 Kd7d6 Bf1c4 Kd6d7 Nb1c3 Kd7e7 Nc3e4 Ke7f7 d5d6+ Kf7g6 Bc4b5 Kg6f5 d6d7 Kf5xe4 d7d8Q Ke4f5 Ng1f3
     17	00:55	 104.266.683	7.057.000	+53.80	e2e4 Qd8b6 d2d4 Ke8d8 Qd1g4 Kd8c7 Bc1f4+ Kc7d8 Qg4g5+ Kd8c8 Qg5g8+ Kc8d7 Ng1f3 Qb6a5+ Nb1c3 Kd7e7 Bf4g5+ Ke7d6 e4e5+ Kd6c6 Qg8c8+ Kc6b6 Qc8d8+ Kb6a7 Qd8xa5+ Ka7b7 e5e6 Kb7b8 e6e7 Kb8b7 Qa5d5+ Kb7a7 Nc3b5+ Ka7a6 e7e8Q
     17	00:55	 104.269.482	7.050.000	+53.80	e2e4 Qd8b6 d2d4 Ke8d8 Qd1g4 Kd8c7 Bc1f4+ Kc7d8 Qg4g5+ Kd8c8 Qg5g8+ Kc8d7 Ng1f3 Qb6a5+ Nb1c3 Kd7e7 Bf4g5+ Ke7d6 e4e5+ Kd6c6 Qg8c8+ Kc6b6 Qc8d8+ Kb6a7 Qd8xa5+ Ka7b7 e5e6 Kb7b8 e6e7 Kb8b7 Qa5d5+ Kb7a7 Nc3b5+ Ka7a6 e7e8Q
     18+	00:55	 109.762.624	7.128.000	+53.88	e2e4 Qd8b6 d2d4 Ke8d8 Qd1g4 Kd8c7 Bc1f4+ Kc7d8 Qg4g5+ Kd8c8 Qg5g8+ Kc8d7 Ng1f3 Qb6a5+ Nb1c3 Kd7e7 Bf4g5+ Ke7d6 e4e5+ Kd6c6 Qg8c8+ Kc6b6 Qc8d8+ Kb6a7 Qd8xa5+ Ka7b7 e5e6 Kb7b8 e6e7 Kb8b7 Qa5d5+ Kb7a7 Nc3b5+ Ka7a6 e7e8Q
     18+	00:55	 112.769.275	7.185.000	+53.96	e2e4 Qd8b6 d2d4 Ke8d8 Qd1g4 Kd8c7 Bc1f4+ Kc7d8 Qg4g5+ Kd8c8 Qg5g8+ Kc8d7 Ng1f3 Qb6a5+ Nb1c3 Kd7e7 Bf4g5+ Ke7d6 e4e5+ Kd6c6 Qg8c8+ Kc6b6 Qc8d8+ Kb6a7 Qd8xa5+ Ka7b7 e5e6 Kb7b8 e6e7 Kb8b7 Qa5d5+ Kb7a7 Nc3b5+ Ka7a6 e7e8Q
     18+	00:58	 137.146.547	7.326.000	+318.61	e2e4 Qd8b6 d2d4 Ke8d8 Qd1g4 Kd8c7 Bc1f4+ Kc7d8 Qg4g5+ Kd8c8 Qg5g8+ Kc8d7 Ng1f3 Qb6a5+ Nb1c3 Kd7e7 Bf4g5+ Ke7d6 e4e5+ Kd6c6 Qg8c8+ Kc6b6 Qc8d8+ Kb6a7 Qd8xa5+ Ka7b7 e5e6 Kb7b8 e6e7 Kb8b7 Qa5d5+ Kb7a7 Nc3b5+ Ka7a6 e7e8Q
     18	00:59	 139.486.115	7.329.000	+M18	e2e4 Ke8d7 Qd1h5 Qd8f8 Qh5f5+ Qf8xf5 e4xf5 Kd7e7 d2d4 Ke7f6 Bf1d3 Kf6f7 Nb1c3 Kf7g7 Nc3d5 Kg7f7 Ng1f3 Kf7f8 Nf3e5 Kf8g7 f5f6+ Kg7g8 Nd5c3 Kg8f8 Bc1h6+ Kf8e8 f6f7+ Ke8d8 f7f8Q+ Kd8c7 Bh6g5 Kc7b6 Qf8b8+ Kb6a5 Qb8b5+
     18	00:59	 139.487.250	7.329.000	+M18	e2e4 Ke8d7 Qd1h5 Qd8f8 Qh5f5+ Qf8xf5 e4xf5 Kd7e7 d2d4 Ke7f6 Bf1d3 Kf6f7 Nb1c3 Kf7g7 Nc3d5 Kg7f7 Ng1f3 Kf7f8 Nf3e5 Kf8g7 f5f6+ Kg7g8 Nd5c3 Kg8f8 Bc1h6+ Kf8e8 f6f7+ Ke8d8 f7f8Q+ Kd8c7 Bh6g5 Kc7b6 Qf8b8+ Kb6a5 Qb8b5+
     19	00:59	 142.067.525	7.374.000	+M19	e2e4 Ke8d7 Qd1h5 Qd8f8 Qh5f5+ Qf8xf5 e4xf5 Kd7e7 d2d4 Ke7f6 Bf1d3 Kf6e7 Bc1g5+ Ke7d7 f5f6 Kd7e8 Bd3c4 Ke8d7 f6f7 Kd7c6 f7f8Q Kc6c7 Qf8c5+ Kc7d7 Qc5f5+ Kd7c7 Qf5f7+ Kc7b6 Qf7f6+ Kb6a5 Bg5d2+ Ka5a4 Qf6a6+
     19	00:59	 142.073.356	7.368.000	+M19	e2e4 Ke8d7 Qd1h5 Qd8f8 Qh5f5+ Qf8xf5 e4xf5 Kd7e7 d2d4 Ke7f6 Bf1d3 Kf6e7 Bc1g5+ Ke7d7 f5f6 Kd7e8 Bd3c4 Ke8d7 f6f7 Kd7c6 f7f8Q Kc6c7 Qf8c5+ Kc7d7 Qc5f5+ Kd7c7 Qf5f7+ Kc7b6 Qf7f6+ Kb6a5 Bg5d2+ Ka5a4 Qf6a6+
     20	00:59	 145.932.433	7.429.000	+M18	e2e4 Ke8d7 Qd1h5 Qd8f8 Qh5f5+ Kd7e7 Qf5c5+ Ke7f7 Bf1c4+ Kf7g7 Qc5xf8+ Kg7xf8 Nb1c3 Kf8e8 d2d4 Ke8d8 Bc1g5+ Kd8c8 e4e5 Kc8d7 e5e6+ Kd7c7 e6e7 Kc7d7 Bc4b5+ Kd7c8 e7e8Q+ Kc8b7 Qe8e4+ Kb7a7 Qe4e7+ Ka7a8 Bb5c6+ Ka8b8
     20	00:59	 145.940.959	7.430.000	+M18	e2e4 Ke8d7 Qd1h5 Qd8f8 Qh5f5+ Kd7e7 Qf5c5+ Ke7f7 Bf1c4+ Kf7g7 Qc5xf8+ Kg7xf8 Nb1c3 Kf8e8 d2d4 Ke8d8 Bc1g5+ Kd8c8 e4e5 Kc8d7 e5e6+ Kd7c7 e6e7 Kc7d7 Bc4b5+ Kd7c8 e7e8Q+ Kc8b7 Qe8e4+ Kb7a7 Qe4e7+ Ka7a8 Bb5c6+ Ka8b8
     21	01:00	 151.884.875	7.518.000	+M18	e2e4 Ke8d7 Qd1h5 Qd8f8 Qh5f5+ Qf8xf5 e4xf5 Kd7e7 d2d4 Ke7f6 Bf1d3 Kf6f7 Nb1c3 Kf7g8 Bd3c4+ Kg8h8 Nc3e4 Kh8g7 f5f6+ Kg7f8 Bc1h6+ Kf8e8 f6f7+ Ke8d8 f7f8Q+ Kd8c7 Bh6f4+ Kc7d7 Qf8f5+ Kd7e8 Qf5e5+ Ke8d8 Qe5f6+ Kd8c8 Qf6c6+
     21	01:00	 151.898.942	7.519.000	+M18	e2e4 Ke8d7 Qd1h5 Qd8f8 Qh5f5+ Qf8xf5 e4xf5 Kd7e7 d2d4 Ke7f6 Bf1d3 Kf6f7 Nb1c3 Kf7g8 Bd3c4+ Kg8h8 Nc3e4 Kh8g7 f5f6+ Kg7f8 Bc1h6+ Kf8e8 f6f7+ Ke8d8 f7f8Q+ Kd8c7 Bh6f4+ Kc7d7 Qf8f5+ Kd7e8 Qf5e5+ Ke8d8 Qe5f6+ Kd8c8 Qf6c6+
     22	01:03	 185.365.201	7.822.000	+M15	e2e4 Ke8d7 Qd1h5 Qd8f8 Nb1c3 Kd7c7 d2d4 Kc7b7 Qh5f5 Qf8e8 Qf5d5+ Qe8c6 Qd5xc6+ Kb7xc6 Bf1b5+ Kc6b6 Bc1f4 Kb6b7
     22	01:03	 185.395.032	7.813.000	+M15	e2e4 Ke8d7 Qd1h5 Qd8f8 Nb1c3 Kd7c7 d2d4 Kc7b7 Qh5f5 Qf8e8 Qf5d5+ Qe8c6 Qd5xc6+ Kb7xc6 Bf1b5+ Kc6b6 Bc1f4 Kb6b7
     23	01:14	 297.736.935	8.589.000	+M14	e2e4 Qd8d4 Qd1h5+ Ke8f8 Nb1c3 Kf8g7 Qh5d5 Qd4xd5 e4xd5 Kg7f6 d2d4 Kf6e7 Bf1b5 Ke7d6 Bc1f4+ Kd6e7 d5d6+ Ke7f8 Nc3e4 Kf8f7 d6d7 Kf7g6 d7d8Q Kg6f5 Qd8g5+ Kf5xe4 Qg5e5+
     23	01:14	 298.184.070	8.586.000	+M14	e2e4 Qd8d4 Qd1h5+ Ke8f8 Nb1c3 Kf8g7 Qh5d5 Qd4xd5 e4xd5 Kg7f6 d2d4 Kf6e7 Bf1b5 Ke7d6 Bc1f4+ Kd6e7 d5d6+ Ke7f8 Nc3e4 Kf8f7 d6d7 Kf7g6 d7d8Q Kg6f5 Qd8g5+ Kf5xe4 Qg5e5+
     24	01:16	 309.007.973	8.642.000	+M14	e2e4 Qd8d4 Qd1h5+ Ke8f8 Nb1c3 Kf8g7 Qh5d5 Qd4xd5 e4xd5 Kg7f6 d2d4 Kf6e7 Bf1b5 Ke7d6 Bc1f4+ Kd6e7 d5d6+ Ke7f8 Nc3e4 Kf8f7 d6d7 Kf7g6 d7d8Q Kg6f5 Qd8g5+ Kf5xe4 Qg5e5+
     24	01:16	 310.530.678	8.647.000	+M14	e2e4 Qd8d4 Qd1h5+ Ke8f8 Nb1c3 Kf8g7 Qh5d5 Qd4xd5 e4xd5 Kg7f6 d2d4 Kf6e7 Bf1b5 Ke7d6 Bc1f4+ Kd6e7 d5d6+ Ke7f8 Nc3e4 Kf8f7 d6d7 Kf7g6 d7d8Q Kg6f5 Qd8g5+ Kf5xe4 Qg5e5+
     25	02:15	 805.992.553	8.447.000	+M12	e2e4 Qd8d4 Qd1f3 Ke8d8 Nb1c3 Qd4g7 d2d4 Qg7e7 Qf3g4 Qe7h7 Qg4g5+ Kd8c8 Qg5c5+ Qh7c7 Bf1a6+ Kc8b8 Bc1f4 Kb8a8 Qc5f8+ Ka8a7 Bf4xc7 Ka7xa6 Qf8a8+
     25	02:15	 806.277.654	8.445.000	+M12	e2e4 Qd8d4 Qd1f3 Ke8d8 Nb1c3 Qd4g7 d2d4 Qg7e7 Qf3g4 Qe7h7 Qg4g5+ Kd8c8 Qg5c5+ Qh7c7 Bf1a6+ Kc8b8 Bc1f4 Kb8a8 Qc5f8+ Ka8a7 Bf4xc7 Ka7xa6 Qf8a8+
     26	02:51	1.145.969.292	8.716.000	+M11	e2e4 Qd8d4 Qd1f3 Ke8d8 Nb1c3 Qd4g7 d2d4 Qg7e7 Qf3f5 Qe7e8 Qf5a5+ Kd8d7 Qa5d5+ Kd7c8 Bf1a6+ Kc8c7 Bc1f4+ Kc7b6 Qd5b7+ Kb6a5 b2b4+
     26	02:51	1.146.425.533	8.715.000	+M11	e2e4 Qd8d4 Qd1f3 Ke8d8 Nb1c3 Qd4g7 d2d4 Qg7e7 Qf3f5 Qe7e8 Qf5a5+ Kd8d7 Qa5d5+ Kd7c8 Bf1a6+ Kc8c7 Bc1f4+ Kc7b6 Qd5b7+ Kb6a5 b2b4+
   09/08/2010 1:48:27 PM, Time for this analysis: 00:03:00, Rated time: 03:00

0 of 1 matching moves
09/08/2010 1:48:28 PM, Total time: 12:32:26 AM
Rated time: 03:00 = 180 Seconds
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rlsuth
Posts: 322
Joined: Wed Mar 08, 2006 9:37 pm

Re: Old, but still difficult mate in 11 position

Post by rlsuth »

That's pretty impressive indeed. I've had Chest churning away for close to 5 hours and it hasn't solved it yet.
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