Old, but still difficult mate in 11 position

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Jouni
Posts: 2425
Joined: Wed Mar 08, 2006 7:15 pm

Old, but still difficult mate in 11 position

Post by Jouni » Wed Sep 08, 2010 7:14 am

[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

zullil
Posts: 6442
Joined: Mon Jan 08, 2007 11:31 pm
Location: PA USA
Full name: Louis Zulli

Re: Old, but still difficult mate in 11 position

Post by zullil » Wed Sep 08, 2010 1:53 pm

This has been proved to be mate-in-11?

rlsuth
Posts: 320
Joined: Wed Mar 08, 2006 8:37 pm

Re: Old, but still difficult mate in 11 position

Post by rlsuth » Wed Sep 08, 2010 5:35 pm

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.

zullil
Posts: 6442
Joined: Mon Jan 08, 2007 11:31 pm
Location: PA USA
Full name: Louis Zulli

Re: Old, but still difficult mate in 11 position

Post by zullil » Wed Sep 08, 2010 5:37 pm

Thanks

Jouni
Posts: 2425
Joined: Wed Mar 08, 2006 7:15 pm

Re: Old, but still difficult mate in 11 position

Post by Jouni » Wed Sep 08, 2010 7:01 pm

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

Jouni

rlsuth
Posts: 320
Joined: Wed Mar 08, 2006 8:37 pm

Re: Old, but still difficult mate in 11 position

Post by rlsuth » Wed Sep 08, 2010 7:19 pm

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.

Dann Corbit
Posts: 12118
Joined: Wed Mar 08, 2006 7:57 pm
Location: Redmond, WA USA
Contact:

Re: Old, but still difficult mate in 11 position

Post by Dann Corbit » Wed Sep 08, 2010 9:19 pm

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";

svchbe

Re: Old, but still difficult mate in 11 position

Post by svchbe » Wed Sep 08, 2010 9:58 pm

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

Dann Corbit
Posts: 12118
Joined: Wed Mar 08, 2006 7:57 pm
Location: Redmond, WA USA
Contact:

Re: Old, but still difficult mate in 11 position

Post by Dann Corbit » Wed Sep 08, 2010 10:06 pm

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

rlsuth
Posts: 320
Joined: Wed Mar 08, 2006 8:37 pm

Re: Old, but still difficult mate in 11 position

Post by rlsuth » Wed Sep 08, 2010 10:23 pm

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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