Is there a convincing solution for Quick.13?

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Dann Corbit
Posts: 12540
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Is there a convincing solution for Quick.13?

Post by Dann Corbit »

[D]3r1n1r/1p2q1k1/p1p1P1p1/3n4/5Pp1/P5N1/1P3QP1/1BR1R1K1 w - - bm Bxg6; id Quick-13;

Code: Select all

39) Bxg6; id Quick-13;  
    Searching move: Bb1xg6
    Best move (Rybka v1.2.w32): f4-f5
    Not found in: 2:30:00
      2	00:00	         248	253.952	+0.96	f4f5
      3	00:00	         784	25.088	+0.96	f4f5
      4	00:00	       1.288	27.477	+0.96	f4f5 Qe7f6
      5	00:01	       4.192	34.068	+1.15	f4f5 Qe7f6 Rc1d1
      6	00:01	      10.736	36.891	+1.30	f4f5 Kg7h7 Bb1d3 a6a5
      7	00:01	      20.400	44.445	+1.37	f4f5 Kg7h7 Bb1d3 Nd5f6 Rc1d1
      8	00:02	      49.856	45.339	+1.74	f4f5 Qe7f6 Rc1c4 Rh8h6 Rc4xg4 Kg7g8
      9	00:02	      82.512	50.991	+1.77	f4f5 Qe7f6 Rc1c4 Kg7g8 Rc4xg4 Rh8h7 f5xg6
     10	00:03	     139.840	55.870	+1.75	f4f5 Nd5f6 f5xg6 Rd8d5 Ng3f5+ Rd5xf5 Qf2xf5 Rh8h5 Qf5d3 Rh5d5
     11	00:05	     245.880	61.023	+1.83	f4f5 Nd5f6 f5xg6 Rd8d5 Ng3f5+ Rd5xf5 Qf2xf5 Rh8h6 Rc1d1 Rh6h5 Qf5c2
     12	00:10	     583.896	65.632	+1.95	f4f5 g6g5 Rc1d1 Rd8e8 Qf2d4+ Qe7f6 Qd4xg4 Qf6h6 Bb1e4 Qh6h2+ Kg1f1 Qh2h4
     13	00:19	   1.248.208	70.395	+2.07	f4f5 g6g5 Rc1d1 Rd8e8 Bb1a2 Nd5f6 Qf2e3 Nf8h7 Qe3e5 Re8d8 Ng3e4 Rd8xd1
     14	00:32	   2.325.568	76.201	+2.12	f4f5 g6g5 Rc1d1 Rd8e8 Bb1a2 Nd5f6 Qf2e3 Nf8h7 Qe3e5 Re8d8 Ng3e4 Rd8xd1
     15	00:50	   3.861.752	79.911	+2.12	f4f5 g6g5 Rc1d1 Rd8e8 Bb1a2 Nd5f6 Qf2e3 Nf8h7 Qe3e5 Re8d8 Ng3e4 Rd8xd1 Re1xd1 Rh8d8
     16	02:05	   9.797.536	80.603	+2.20	f4f5 Kg7g8 f5xg6 Nf8xe6 Bb1f5 Nd5c7 Rc1c4 Rd8f8 Qf2e3 Rf8f6 Rc4e4 Qe7c5 Bf5xe6+ Nc7xe6
     17	04:10	  19.732.992	81.094	+2.20	f4f5 g6g5 Rc1d1 Rd8a8 Bb1a2 Nd5f6 Qf2e3 Nf8h7 Qe3e5 Rh8d8 Ng3e4 b7b6 Ne4d6 Kg7g8
     18	06:24	  31.263.920	83.414	+2.15	f4f5 g6g5 Rc1d1 Rd8a8 Bb1a2 Nd5f6 Qf2e3 Nf8h7 Qe3e5 Rh8d8 Ng3e4 Rd8xd1 Re1xd1 Ra8e8
     19	11:39	  58.243.856	85.402	+2.13	f4f5 g6g5 Rc1d1 Rd8e8 Bb1a2 Nd5f6 Qf2e3 Nf8h7 Qe3e5 Re8d8 Ng3e4 Rd8xd1 Re1xd1 Rh8e8
     20	31:25	 155.906.264	84.711	+2.14	f4f5 g6g5 Rc1d1 Rd8e8 Bb1a2 Nd5f6 Qf2e3 Nf8h7 Qe3e5 Re8d8 Ng3e4 b7b6 Ne4d6 Nh7f8
     21	1:14:59	 402.271.240	91.570	+2.55	f4f5 g6g5 Rc1d1 Rd8e8 Bb1a2 Nd5f6 Qf2e3 Rh8h6 Qe3xg5+ Kg7h7 Qg5e3 Rh6h4 Qe3e5 Qe7g7
     22	1:42:53	 555.753.952	92.190	+2.51	f4f5 g6g5 Rc1d1 Rd8e8 Bb1a2 Nd5f6 Qf2e3 Rh8h7 Qe3e5 Rh7h6 Ng3e4 b7b5 Re1e3 a6a5
   11/25/2007 7:54:08 PM, Time for this analysis: 02:30:01, Rated time: 37:14:30
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Werner
Posts: 2871
Joined: Wed Mar 08, 2006 10:09 pm
Location: Germany
Full name: Werner Schüle

Re: Is there a convincing solution for Quick.13?

Post by Werner »

Hi Dann,
here is no clear answer, but another Rybka solution:

[D]3r1n1r/1p2q1k1/p1p1P1p1/3n4/5Pp1/P5N1/1P3QP1/1BR1R1K1 w - - bm Bxg6; id Quick-13;

Analysis by Rybka 2.3.2 mp x64 2CPU: (T21 too)

1. +- (3.17): 1.Lb1xg6 De7-f6 2.e6-e7 Kg7xg6 3.e7xd8D Df6xd8 4.Te1-e5 Kg6-f7 5.Te5-f5+ Kf7-g8 6.Tf5-g5+ Kg8-f7 7.Tc1-e1 Th8-h6
2. +- (2.64): 1.f4-f5 g6-g5 2.Tc1-d1 Td8-a8 3.Td1-d4 Sd5-f6 4.Df2-e3 Sf6-d5 5.De3-d2 Th8-h6 6.Td4xg4 Sf8-h7 7.f5-f6+ Th6xf6

(Werner, 26.11.2007)
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Ross Boyd
Posts: 114
Joined: Wed Mar 08, 2006 9:52 pm
Location: Wollongong, Australia

Re: Is there a convincing solution for Quick.13?

Post by Ross Boyd »

TRACE 2 on an Athlon 4000 sees...

Code: Select all

FEN: r1b2rk1/pp3p2/2p2bpQ/8/1q1P4/2N2N2/Pn3PPP/1B1RR1K1 w - - 0 1 
Trace 2:
  2/5	00:00.157	         526	0	+0.57	Ne4 Be7
  3/9	00:00.157	       2.296	0	-0.12	Ne4 Bg7 Qd2
  4/11	00:00.172	       8.491	0	-0.01	Ne4 Bg7 Qd2 Qxd2 Rxd2
  5/13	00:00.188	      31.980	0	-0.01	Ne4 Bg7 Qd2 Qxd2 Rxd2
  6/14	00:00.235	      90.873	0	-0.03	Ne4 Bg7 Qd2 Qb6 Rc1 Be6
  7/16	00:00.297	     176.308	800.000	-0.08	Ne4 Bg7 Qd2 Qxd2 Rxd2 Nc4 Rde2
  7/27	00:00.360	     233.568	1.063.829	+0.21	Bxg6 fxg6 Ng5 Bxg5 Qxg6+ Kh8 Qh5+ Kg7 Qxg5+ Kh8 Re7
  8/25	00:00.547	     468.010	1.066.666	+0.86	Bxg6 fxg6 Ng5 Bxg5 Qxg6+ Kh8 Qh5+ Kg7 Qxg5+ Kf7 Rd2 Be6
  9/29	00:01.860	     843.336	1.162.790	+0.83	Bxg6 fxg6 Ng5 Bxg5 Qxg6+ Kh8 Qh5+ Kg7 Qxg5+ Kf7 Re5 Be6 Qf4+ Ke7
 10/32	00:01.391	   1.511.670	1.214.574	+1.43	Bxg6 fxg6 Ng5 Bxg5 Qxg6+ Kh8 Qh5+ Kg7 Qxg5+ Kf7 Re5 Nxd1 Qf4+ Bf5 Qxf5+ Kg7 Qg4+ Kf7 Nxd1
 11/38	00:02.735	   3.120.193	1.202.016	+1.43	Bxg6 fxg6 Ng5 Bxg5 Qxg6+ Kh8 Qh5+ Kg7 Qxg5+ Kf7 Re5 Nxd1 Qf4+ Bf5 Qxf5+ Kg7 Qg4+ Kf7 Nxd1
 12/44	00:05.157	   6.054.660	1.200.000	+3.09	Bxg6 fxg6 Ng5 Bxg5 Qxg6+ Kh8 Qh5+ Kg7 Qxg5+ Kf7 Re5 Qd6 Rde1 Be6 Qf4+ Ke7 Rxe6+ Qxe6 Qc7+ Kf6 Rxe6+ Kxe6 Qxb7
 13/42	00:10.860	  11.969.239	1.226.298	+3.54	Bxg6 fxg6 Ng5 Bxg5 Qxg6+ Kh8 Qh5+ Kg7 Qxg5+ Kf7 Re5 Be6 Rde1 Qc4 Qh5+ Kg7 Rg5+ Kf6 Ne4+ Ke7 Rg7+ Rf7 Qg5+ Kd7 Nc5+ Kc8 Rxe6
 14/52	00:32.985	  39.906.211	1.253.573	+5.13	Bxg6 fxg6 Ng5 Bxg5 Qxg6+ Kh8 Qh5+ Kg7 Qxg5+ Kf7 Re5 Qd6 Rde1 Qxe5 Rxe5 Be6 Qh5+ Ke7 Qh7+ Rf7
 15/59	00:57.766	  72.255.987	1.253.254	+5.14	Bxg6 fxg6 Ng5 Bxg5 Qxg6+ Kh8 Qh5+ Kg7 Qxg5+ Kf7 Re5 Qd6 Rde1 Be6 Qh5+ Ke7 Rxe6+ Qxe6 Rxe6+ Kxe6 Qe2+ Kd7 Qxb2
 16/59	02:23.875	 176.817.069	1.238.797	+5.51	Bxg6 fxg6 Ng5 Bxg5 Qxg6+ Kh8 Qh5+ Kg7 Qxg5+ Kf7 Re5 Qd6 Rde1 Be6 d5 Qxe5 Qxe5 Bc8
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bob
Posts: 20943
Joined: Mon Feb 27, 2006 7:30 pm
Location: Birmingham, AL

Re: Is there a convincing solution for Quick.13?

Post by bob »

Crafty seems to like it and pretty quickly:

Code: Select all

               11->   2.15   0.86   1. Rc1 Bd7 2. Qf4 Bg7 3. Ne4 Rad8 4.
                                    Re3 Be6 5. Nf6+ Bxf6 6. Qxf6 Qd6 (s=3)
               12     3.45   1.03   1. Rc1 Bd7 2. Qf4 Bg7 3. Ne4 Rae8 4.
                                    Nf6+ Bxf6 5. Qxf6 Rxe1+ 6. Rxe1 Re8
                                    7. Rxe8+ Bxe8 8. Ng5 (s=2)
               12     6.89     +1   1. Bxg6!!
               12     9.33     +3   1. Bxg6!!
               12    12.30   2.85   1. Bxg6 fxg6 2. Ng5 Bxg5 3. Qxg6+ Kh8
                                    4. Qh5+ Kg7 5. Qxg5+ Kf7 6. Re3 Be6
                                    7. Rde1 Qc4 8. Qf4+ Ke7 9. Qc7+ Kf6
                                    10. Qe5+ Ke7 11. Qxe6+ Qxe6 12. Rxe6+
               12->  12.98   2.85   1. Bxg6 fxg6 2. Ng5 Bxg5 3. Qxg6+ Kh8
                                    4. Qh5+ Kg7 5. Qxg5+ Kf7 6. Re3 Be6
                                    7. Rde1 Qc4 8. Qf4+ Ke7 9. Qc7+ Kf6
                                    10. Qe5+ Ke7 11. Qxe6+ Qxe6 12. Rxe6+
                                    (s=2)
                                    (s=2)
               13    18.10     +1   1. Bxg6!!
               13->  26.84   2.45   1. Bxg6 fxg6 2. Ng5 Bxg5 3. Qxg6+ Kh8
                                    4. Qh5+ Kg7 5. Qxg5+ Kf7 6. Re3 Be6
                                    7. Rde1 Qc4 8. Qf4+ Ke7 9. Qc7+ Kf6
                                    10. Qe5+ Ke7 11. Qxe6+ Qxe6 12. Rxe6+
               14    37.59     +1   1. Bxg6!!
               14    51.65     +3   1. Bxg6!!
               14     1:59   4.91   1. Bxg6 fxg6 2. Ng5 Bxg5 3. Qxg6+ Kh8
                                    4. Qh5+ Kg7 5. Qxg5+ Kf7 6. Re3 Be6
                                    7. Rde1 Qd6 8. Qh6 Qd7 9. Qh7+ Ke8
                                    10. Rxe6+ Kd8 11. Qe4
               14->   2:07   4.91   1. Bxg6 fxg6 2. Ng5 Bxg5 3. Qxg6+ Kh8
                                    4. Qh5+ Kg7 5. Qxg5+ Kf7 6. Re3 Be6
                                    7. Rde1 Qd6 8. Qh6 Qd7 9. Qh7+ Ke8
                                    10. Rxe6+ Kd8 11. Qe4
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Dariusz Orzechowski

Re: Is there a convincing solution for Quick.13?

Post by Dariusz Orzechowski »

Ros Boyd and Robert Hyatt wrote:Bxg6 fxg6
Strange move to say the least. :wink:
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Ross Boyd
Posts: 114
Joined: Wed Mar 08, 2006 9:52 pm
Location: Wollongong, Australia

Re: Is there a convincing solution for Quick.13?

Post by Ross Boyd »

Dariusz Orzechowski wrote:
Ross Boyd and Robert Hyatt wrote:Bxg6 fxg6
Strange move to say the least. :wink:
Whoops!

Well spotted.

That was the EPD for Quicktest 11... by mistake.... and I'd say Bob copied the EPD string from my post. Sorry Bob.

Double whoops!

Nevertheless... here is the correct position with evaluation from TRACE 2 on a Q6600 (using 1 thread)

Code: Select all

FEN: 3r1n1r/1p2q1k1/p1p1P1p1/3n4/5Pp1/P5N1/1P3QP1/1BR1R1K1 w - - 0 1 

Trace 2:
  2/11	00:00.156	         778	0	-0.10	Qd4+ Nf6 Qc5
  2/10	00:00.156	       1.132	0	+0.25	f5 Nf6
  2/8	00:00.156	       1.564	0	+0.38	Bf5 Nf6
  3/10	00:00.156	       4.050	0	-0.16	Bf5 Nc7 Qe3
  3/12	00:00.156	       5.485	0	+0.39	f5 Nf6 fxg6
  4/15	00:00.156	      13.620	0	+0.65	f5 Kg8 Bd3 gxf5 Nxf5
  5/16	00:00.171	      22.652	0	+0.58	f5 Kg8 Bd3 Rh4 Qc5 gxf5 Qxe7 Nxe7 Nxf5
  6/18	00:00.203	      64.010	0	+0.58	f5 Kg8 Bd3 Rh4 Qc5 gxf5 Qxe7 Nxe7 Nxf5
  7/21	00:00.296	     220.020	1.418.439	+0.87	f5 Kg8 Ba2 Rh4 Qc5 Qxc5+ Rxc5 gxf5 Bxd5 cxd5 Nxf5
  8/31	00:00.656	     782.290	1.400.000	+0.93	f5 Qf6 Rc4 Qe7 Rxg4 Nf6 Rd4
  8/26	00:00.921	   1.217.161	1.566.579	+2.15	Bxg6 Qf6 Nh5+ Rxh5 Bxh5 Nxe6 f5 Nd4 Bxg4
  9/35	00:01.125	   1.547.901	1.547.987	+2.04	Bxg6 Qf6 e7 Nxe7 Nh5+ Rxh5 Bxh5 Nfg6 g3 Qf5 Bxg6 Nxg6
 10/38	00:02.484	   3.772.156	1.588.664	+2.41	Bxg6 Qc7 Bf7 Ng6 Qd4+ Kh7 Nf5 Qb6 Qxb6 Nxb6
 11/38	00:06.187	   9.969.722	1.641.246	+2.26	Bxg6 Qf6 Nh5+ Rxh5 Bxh5 Nxe6 g3 Nd4 Bxg4 Rh8 Re5
 12/36	00:08.796	  14.449.776	1.666.473	+2.62	Bxg6 Qf6 Nh5+ Rxh5 Bxh5 Nxe6 g3 Nd4 Bxg4 Rh8 Re5 Nb3 Rd1
 13/37	00:13.671	  22.939.848	1.694.288	+2.62	Bxg6 Qf6 Nh5+ Rxh5 Bxh5 Nxe6 g3 Nd4 Bxg4 Nb3 Rcd1 Rh8 Re5
 14/50	00:26.718	  45.966.542	1.727.967	+2.51	Bxg6 Qf6 Nh5+ Rxh5 Bxh5 Nxe6 g3 Rh8 Bxg4 Qh6 Qg2 Nd4 Rc4 Qg6 Rxd4 Qxg4
 15/45	01:03.671	 111.639.779	1.757.037	+2.65	Bxg6 Qf6 Nh5+ Rxh5 Bxh5 Nxe6 g3 Rh8 Bxg4 Qh6 Qg2 Nd4 Rc4 Qg6 Qd2 Nf5 Bxf5 Qxf5
 16/54	03:19.515	 351.726.363	1.764.145	+2.36	Bxg6 Qf6 Bf7 Ng6 Bxg6 Kxg6 f5+ Kg7 Rc4 Qg5 Qd4+ Nf6 Qb6 Kh6 Qxb7 Rd3 Qc7 Re3 Rxe3 Qxe3+ Kf1
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