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Subject: Test Position:Queen endings [spike after 13 depths]

Author: Madhavan

Date: 02:25:27 09/07/05


[D] 8/6k1/8/3pKQpP/3p4/8/8/3q4 w - - 0 1

White to play and win.

FEN: 8/6k1/8/3pK1QP/3p4/8/8/3q4 b - - 0 1

Spike 1.0a Mainz:
   0	00:00	           0	0	-1.25
   1	00:00	         147	0	+0.48	Qf5xg5+ Kg7h8 Qg5h6+ Kh8g8 Ke5xd5
   1	00:00	         238	0	+0.48	Qf5xg5+ Kg7h8 Qg5h6+ Kh8g8 Ke5xd5
   2	00:00	         752	47.000	+0.71	Qf5xg5+ Kg7f8 Qg5f5+ Kf8e8 Ke5xd5
   2	00:00	       1.225	76.562	+0.71	Qf5xg5+ Kg7f8 Qg5f5+ Kf8e8 Ke5xd5
   3	00:00	       2.222	138.875	+0.71	Qf5xg5+ Kg7f8 Qg5f5+ Kf8e8 Ke5xd5
   3	00:00	       3.583	111.968	+0.71	Qf5xg5+ Kg7f8 Qg5f5+ Kf8e8 Ke5xd5
   4	00:00	       8.630	183.617	+0.70	Qf5xg5+ Kg7f8 Qg5d8+ Kf8f7 Qd8f6+ Kf7e8
Qf6e6+ Ke8d8 Qe6xd5+ Kd8e8 Qd5a8+
   4	00:00	      11.160	177.142	+0.70	Qf5xg5+ Kg7f8 Qg5d8+ Kf8f7 Qd8f6+ Kf7e8
Qf6e6+ Ke8d8 Qe6xd5+ Kd8e8 Qd5a8+
   5	00:00	      34.118	310.163	+0.71	Qf5xg5+ Kg7f7 Qg5g6+ Kf7e7 Qg6e6+ Ke7f8
Qe6f5+ Kf8e8 Ke5xd5 d4d3 Kd5d6
   5	00:00	      40.296	322.368	+0.71	Qf5xg5+ Kg7f7 Qg5g6+ Kf7e7 Qg6e6+ Ke7f8
Qe6f5+ Kf8e8 Ke5xd5 d4d3 Kd5d6
   6	00:00	      85.908	392.273	+0.70	Qf5xg5+ Kg7f7 Qg5g6+ Kf7f8 Qg6f5+ Kf8g7
Ke5xd5 Qd1d2 Kd5d6 Qd2h6+ Kd6e7
   6	00:00	     103.382	413.528	+0.70	Qf5xg5+ Kg7f7 Qg5g6+ Kf7f8 Qg6f5+ Kf8g7
Ke5xd5 Qd1d2 Kd5d6 Qd2h6+ Kd6e7
   7	00:00	     215.986	476.790	+0.80	Qf5xg5+ Kg7f8 Qg5h6+ Kf8e8 Qh6e6+ Ke8f8
Qe6f5+ Kf8e7 Ke5xd5 d4d3 Kd5d4 Qd1e2
   7	00:00	     245.736	491.472	+0.80	Qf5xg5+ Kg7f8 Qg5h6+ Kf8e8 Qh6e6+ Ke8f8
Qe6f5+ Kf8e7 Ke5xd5 d4d3 Kd5d4 Qd1e2
   8	00:01	     484.402	516.420	+0.79	Qf5xg5+ Kg7f7 Qg5g6+ Kf7f8 h5h6 Qd1e2+
Ke5xd5 d4d3 Qg6f6+ Kf8e8 h6h7 Qe2a2+ Kd5d6 Qa2a6+ Kd6e5 Qa6b5+ Ke5e4
   8	00:01	     545.467	520.980	+0.79	Qf5xg5+ Kg7f7 Qg5g6+ Kf7f8 h5h6 Qd1e2+
Ke5xd5 d4d3 Qg6f6+ Kf8e8 h6h7 Qe2a2+ Kd5d6 Qa2a6+ Kd6e5 Qa6b5+ Ke5e4
   9	00:01	     876.907	524.465	+0.68	Qf5xg5+ Kg7f7 Qg5g6+ Kf7f8 Qg6f6+ Kf8e8
Qf6e6+ Ke8f8 Qe6f5+ Kf8e7 Ke5xd5 d4d3 Qf5e6+ Ke7d8 Qe6b6+ Kd8e8 Qb6e6+ Ke8d8
   9	00:02	   1.159.396	549.476	+0.68	Qf5xg5+ Kg7f7 Qg5g6+ Kf7f8 Qg6f6+ Kf8e8
Qf6e6+ Ke8f8 Qe6f5+ Kf8e7 Ke5xd5 d4d3 Qf5e6+ Ke7d8 Qe6b6+ Kd8e8 Qb6e6+ Ke8d8
  10	00:03	   1.741.537	543.720	+0.68	Qf5xg5+ Kg7f7 Qg5g6+ Kf7f8 Qg6f6+ Kf8e8
Qf6e6+ Ke8f8 Qe6f5+ Kf8e7 Ke5xd5 d4d3 Qf5e6+ Ke7f8 Qe6f6+ Kf8e8 Qf6e6+ Ke8d8
Kd5d6 Qd1a4 Qe6f6+
  10	00:03	   2.039.802	553.091	+0.68	Qf5xg5+ Kg7f7 Qg5g6+ Kf7f8 Qg6f6+ Kf8e8
Qf6e6+ Ke8f8 Qe6f5+ Kf8e7 Ke5xd5 d4d3 Qf5e6+ Ke7f8 Qe6f6+ Kf8e8 Qf6e6+ Ke8d8
Kd5d6 Qd1a4 Qe6f6+
  11	00:08	   4.578.436	541.634	+0.65	Qf5xg5+ Kg7f7 Qg5g6+ Kf7f8 Qg6f6+ Kf8e8
Qf6e6+ Ke8f8 Qe6f5+ Kf8e7 Ke5xd5 d4d3 Qf5e6+ Ke7f8 Qe6f6+ Kf8g8 Qf6g6+ Kg8f8
Kd5d6 Qd1e2
  11	00:10	   5.888.640	555.008	+0.65	Qf5xg5+ Kg7f7 Qg5g6+ Kf7f8 Qg6f6+ Kf8e8
Qf6e6+ Ke8f8 Qe6f5+ Kf8e7 Ke5xd5 d4d3 Qf5e6+ Ke7f8 Qe6f6+ Kf8g8 Qf6g6+ Kg8f8
Kd5d6 Qd1e2
  12	00:23	  12.215.584	530.743	+0.36	Qf5xg5+ Kg7f7 Qg5g6+ Kf7f8 Qg6f6+ Kf8e8
Qf6e6+ Ke8f8 Qe6f5+ Kf8e7 Qf5h7+ Ke7f8 Qh7h6+ Kf8e8 Qh6c6+ Ke8f8 Qc6d6+ Kf8e8
h5h6 Qd1e2+ Ke5xd5 d4d3 Qd6g6+ Ke8d8 Qg6g8+ Kd8e7 h6h7 Qe2h5+ Kd5e4 d3d2 Qg8g7+
Qh5f7 Qg7g5+ Ke7e6 h7h8R
  12	00:30	  16.643.908	543.740	+0.36	Qf5xg5+ Kg7f7 Qg5g6+ Kf7f8 Qg6f6+ Kf8e8
Qf6e6+ Ke8f8 Qe6f5+ Kf8e7 Qf5h7+ Ke7f8 Qh7h6+ Kf8e8 Qh6c6+ Ke8f8 Qc6d6+ Kf8e8
h5h6 Qd1e2+ Ke5xd5 d4d3 Qd6g6+ Ke8d8 Qg6g8+ Kd8e7 h6h7 Qe2h5+ Kd5e4 d3d2 Qg8g7+
Qh5f7 Qg7g5+ Ke7e6 h7h8R
  13	01:00	  31.217.662	517.997	+0.17	Qf5xg5+ Kg7f7 Qg5g6+ Kf7f8 Qg6f6+ Kf8e8
Qf6e6+ Ke8f8 Qe6f5+ Kf8e7 Qf5h7+ Ke7f8 Qh7h6+ Kf8g8 Ke5xd5 Qd1d3 Qh6g5+ Kg8h7
Kd5d6 Qd3f3 Kd6c5 Qf3f8+ Kc5xd4 Qf8g7+
  13	01:08	  35.788.441	523.774	+0.17	Qf5xg5+ Kg7f7 Qg5g6+ Kf7f8 Qg6f6+ Kf8e8
Qf6e6+ Ke8f8 Qe6f5+ Kf8e7 Qf5h7+ Ke7f8 Qh7h6+ Kf8g8 Ke5xd5 Qd1d3 Qh6g5+ Kg8h7
Kd5d6 Qd3f3 Kd6c5 Qf3f8+ Kc5xd4 Qf8g7+


Seems Spike couldn't find the solution after 13 depths.



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