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Subject: Re: Test Position Avoid Qe4?! and Play Bxh7!

Author: Alan McCracken

Date: 11:26:47 02/04/05

Go up one level in this thread


On February 04, 2005 at 14:20:30, Alan McCracken wrote:

>On February 04, 2005 at 13:34:52, Dann Corbit wrote:
>
>>On February 04, 2005 at 02:15:26, Alan McCracken wrote:
>>
>>>On February 04, 2005 at 00:40:42, Dann Corbit wrote:
>>>
>>>>On February 04, 2005 at 00:22:57, Alan McCracken wrote:
>>>>
>>>>>On February 03, 2005 at 23:24:45, William Bryant wrote:
>>>>>
>>>>>>On February 03, 2005 at 20:11:33, Alan McCracken wrote:
>>>>>>
>>>>>>>[D]r2q1r1k/1bp2ppp/p3p3/3nN1P1/1p1P4/2PB4/PP2QP1P/2KR2R1 w - - 0 17
>>>>>>
>>>>>>My program never considers Qe4 nor Bxh7.  It likes Qh5 much better.
>>>>>>
>>>>>>If I play Bxh7 the eval score at tournament time controls is about 2 pawns less.
>>>>>>
>>>>>>William
>>>>>
>>>>>What program did you use? The best move is 17.Bxh7!..g6 18.Qg4!with the idea of
>>>>>Qh4.
>>>>>If 17..Kxh7 18.Qh5+..Kg8 19.Rg4! if 19..g6, then 20.Nxg6 with mate in 9.
>>>>>This position is taken from a blitz game I played earlier in the evening.
>>>>>
>>>>>I guess this position may trick even top programs;-)
>>>>
>>>>I would probably push the pawn to g6, since the bishop move would not have
>>>>occured to me naturally (although a kingside attack is going to happen here
>>>>somehow, no matter who or what is playing -- for sure, black is in big trouble).
>>>>
>>>>I have a bunch of chess engines pounding on it for 5000 seconds each.  We'll see
>>>>what they have to say in the morning.
>>>
>>>After 17.g6..Nf4! and Black appears ok.
>>>
>>>I'm interested in what your engines have to say.
>>>
>>>CM10 likes 17. Qe4?!..but I can't check my ChessBase programs until I re-install
>>>them.
>>>
>>>Maybe Junior might play 17. Bxh7!, or Rebel...I don't know.
>>>
>>>Maybe one of your programs will find the thematic move? Being a tactical player,
>>>Bxh7 seems pretty natural to me.
>>
>>ProDeo and Glaurung found your move.  It appears to be exceedingly difficult for
>>computers.  The other alternatives seem to give a pretty good advantage also.
>>
>>Analysis from E:\tam.epd
>>2/3/2005 9:25:54 PM Level: Infinite
>>Analyzing engine: Shredder 7.04 UCI
>>
>>1)  Best move (Shredder 7.04 UCI): Qe2-h5
>>    Not OK: 1:23:20
>>   illegal command
>>     2/2	00:00	          59	315	+3.05	Qe2e4 g7g6
>>     3/3	00:00	         261	1.395	+3.05	Qe2e4 g7g6
>>     4/4	00:00	         592	3.165	+3.05	Qe2e4 g7g6
>>     5/14	00:00	       1.392	7.443	+3.05	Qe2e4 g7g6
>>     6/7	00:00	       4.809	25.716	+3.05	Qe2e4 g7g6
>>     7/13	00:00	      16.014	78.886	+3.05	Qe2e4 g7g6
>>     8/8	00:00	      59.026	179.957	+3.05	Qe2e4 g7g6
>>     9/13	00:00	     122.120	289.383	+3.05	Qe2e4 g7g6
>>    10/17	00:00	     245.468	374.189	+3.05	Qe2e4 g7g6
>>    11/25-	00:02	   1.171.261	490.067	+2.80	Qe2e4 g7g6 c3xb4 Nd5xb4 Qe4xb7
>>Nb4xa2+ Kc1b1 Ra8b8 Bd3xg6 Rb8xb7 Rd1e1
>>    11/27	00:04	   2.415.035	511.768	+2.80	Qe2e4 g7g6 c3c4 Kh8g8 c4xd5 Bb7xd5
>>Qe4f4 Bd5xa2 Ne5g4 f7f6 g5xf6 h7h5 Bd3xg6 h5xg4 Rg1xg4 Qd8xf6
>>    12/29	00:09	   5.435.781	543.578	+2.86	Qe2e4 g7g6 c3c4 b4b3 a2xb3 Nd5c3
>>Qe4xb7 Nc3xd1 Ne5c6 Qd8d6 Rg1xd1 Qd6f4+ Kc1b1 Ra8c8 Qb7xa6 Qf4xf2
>>    13/34	00:20	  11.571.707	551.033	+3.05	Qe2e4 g7g6 c3c4 b4b3 a2xb3 Nd5c3
>>Qe4xb7 Nc3xd1 Ne5c6 Qd8d6 Rg1xd1 Qd6f4+ Kc1b1 a6a5 h2h4
>>    14/35	00:48	  27.083.761	552.729	+3.00	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Qd8xd4
>>Ne5xf7+ Kh8g7 b2xc3 Qd4f4+ Kc1c2 Qf4xf2+ Kc2c1 Qf2f4+ Kc1b2 Ra8b8 Qb7e4 a6a5
>>Qe4xf4 b4xc3+
>>    15/39	01:43	  56.758.134	548.308	+2.82	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Qd8xd4
>>Rd1e1 Qd4f4+ Re1e3 Qf4xf2 Rg1e1 Nc3xa2+ Kc1b1 Na2c3+ Kb1a1 Nc3a4 Re3e2 Qf2d4
>>Ne5xf7+
>>    16/40	04:44	 152.773.291	536.046	+2.68	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Qd8xd4
>>Rd1e1 Qd4f4+ Re1e3 Qf4xf2 Rg1e1 Nc3xa2+ Kc1b1 Na2c3+ Kb1a1 Nc3a4 Re3e2 Qf2a7
>>Qb7f3 Kh8g8
>>    16/49+	09:19	 295.183.952	527.806	+2.69	Qe2h5 g7g6 Qh5h6 Nd5e7 Rg1g4 Ne7g8
>>Qh6h3 h7h5 g5xh6/ep b4xc3 Rg4xg6 c3xb2+ Kc1b1 Ng8f6 Rg6g7 Nf6e4 Qh3g4 c7c5
>>Bd3xe4
>>    16/49+	12:13	 383.135.384	521.927	+3.04	Qe2h5 g7g6 Qh5h6 Nd5e7 Rg1g4 Ne7g8
>>Qh6h3 h7h5 g5xh6/ep b4xc3 Rg4xg6 c3xb2+ Kc1b1 Ng8f6 Rg6g7 Nf6e4 Qh3g4 c7c5
>>Bd3xe4 c5xd4 Be4xb7
>>    16/49	17:16	 540.946.828	521.968	+3.22	Qe2h5 g7g6 Qh5h6 Nd5e7 Rg1g4 Ne7g8
>>Qh6h3 h7h5 g5xh6/ep Ng8e7 c3xb4 Kh8h7 Rd1g1 Ra8b8 Qh3h5 Kh7h8 Qh5h4 Ne7f5 Bd3xf5
>>    17/51	30:33	 957.182.899	522.145	+3.31	Qe2h5 g7g6 Qh5h6 Nd5e7 Rg1g4 Ne7g8
>>Qh6h3 h7h5 g5xh6/ep Ng8e7 c3xb4 Bb7d5 a2a3 Ne7f5 h6h7 Qd8d6 Rd1e1 Ra8b8 Kc1b1
>>Nf5e7
>>    18/51	1:06:50	2.112.146.885	526.582	+3.37	Qe2h5 g7g6 Qh5h6 Nd5e7 Rg1g4 Ne7g8
>>Qh6h3 h7h5 g5xh6/ep Ng8e7 c3xb4 Bb7d5 Kc1b1 a6a5 b4b5 Ra8b8 Rd1g1 Kh8h7 Qh3h5
>>Kh7h8 Qh5g5
>>   2/3/2005 10:50:01 PM, Time for this analysis: 01:23:20, Rated time: 1:23:20
>>
>>0 of 1 matching moves
>>2/3/2005 10:50:01 PM, Total time: 1:24:06 AM
>>Rated time: 1:23:20 = 5000 Seconds
>>
>>--------------------------------------------------------------------------------
>>
>>Analysis from E:\tam.epd
>>2/3/2005 9:25:54 PM Level: Infinite
>>Analyzing engine: Gandalf60
>>
>>1)  Best move (Gandalf60): Qe2-e4
>>    Not OK: 1:23:20
>>     5/25	00:00	      23.012	115.060	+1.60	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1
>>Rg1xd1 Qd8xg5+ Kc1b1
>>     6/28	00:00	      54.432	272.160	+1.60	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1
>>Rg1xd1 Qd8xg5+ Kc1b1
>>     7/35	00:00	     177.993	355.986	+1.60	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1
>>Rg1xd1 Qd8xg5+ Kc1b1
>>     8/40	00:01	     508.111	461.919	+1.92	Qe2e4 g7g6 c3c4 b4b3 a2xb3 Nd5c3
>>Qe4xb7 Nc3xd1 Rg1xd1 Qd8xg5+ Kc1b1
>>     9/40	00:02	     862.388	507.287	+1.92	Qe2e4 g7g6 c3c4 b4b3 a2xb3 Nd5c3
>>Qe4xb7 Nc3xd1 Rg1xd1 Qd8xg5+ Kc1b1
>>    10/40+	00:03	   1.641.246	529.434	+2.30	Qe2e4 g7g6
>>    10/40	00:03	   1.898.188	542.339	+2.30	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1
>>Ne5c6 Qd8d6 Rg1xd1 a6a5
>>    11/42	00:08	   4.747.280	586.083	+2.20	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1
>>Ne5c6 Qd8d6 Rg1xd1 Qd6f4+ Kc1b1 a6a5
>>    12/46	00:17	  10.543.701	609.462	+2.27	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1
>>Ne5c6 Qd8d6 Rg1xd1 Qd6f4+ Kc1b1 a6a5 Nc6e5 Qf4xg5 Qb7xc7
>>    13/53	00:51	  30.124.638	583.810	+2.27	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1
>>Ne5c6 Qd8d6 Rg1xd1 Qd6f4+ Kc1b1 a6a5 Nc6e5 Qf4xg5 Qb7xc7
>>    14/53	02:26	  89.047.084	609.077	+2.20	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1
>>Ne5c6 Qd8d6 Rg1xd1 Qd6f4+ Kc1b1 a6a5 Nc6e5 Ra8c8 Ne5f3
>>    15/58	05:31	 203.392.565	614.107	+2.11	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1
>>Ne5c6 Qd8d6 Rg1xd1 Qd6f4+ Kc1b1 a6a5 Nc6e5 Ra8c8 Ne5d7 Rf8d8
>>    16/58	17:40	 641.643.837	200.157	+2.11	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1
>>Ne5c6 Qd8d6 Rg1xd1 Qd6f4+ Kc1c2 a6a5 Kc2b1 Qf4xg5 Qb7xc7 Rf8c8 Qc7b7
>>    17/60	49:48	1.819.117.138	33.845	+2.17	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1
>>Ne5c6 Qd8d6 Rg1xd1 Qd6f4+ Rd1d2 Qf4xg5 Qb7xc7 Ra8c8 Qc7e5+ Qg5xe5 Nc6xe5 f7f6
>>Ne5d7 Rf8d8 Nd7xf6 Rd8xd4
>>   2/4/2005 12:13:31 AM, Time for this analysis: 01:23:20, Rated time: 1:23:20
>>
>>0 of 1 matching moves
>>2/4/2005 12:13:32 AM, Total time: 2:47:37 AM
>>Rated time: 1:23:20 = 5000 Seconds
>>
>>--------------------------------------------------------------------------------
>>
>>Analysis from E:\tam.epd
>>2/3/2005 9:25:54 PM Level: Infinite
>>Analyzing engine: Aristarch 4.50
>>
>>1)  Best move (Aristarch 4.50): Qe2-h5
>>    Not OK: 1:23:20
>>     2/6	00:00	         121	0	-0.16	c3xb4 Nd5xb4 a2a3
>>     2/6+	00:00	         216	0	-0.15	c3c4 Qd8xg5+ Rg1xg5
>>     2/6+	00:00	         248	0	+0.05	c3c4 Qd8xg5+ Rg1xg5
>>     2/9	00:00	         343	0	+0.33	c3c4 Nd5f4
>>     2/9+	00:00	         448	0	+0.34	Qe2f3 b4xc3
>>     2/9	00:00	         500	0	+0.43	Qe2f3 Nd5xc3
>>     2/9+	00:00	         538	0	+0.44	Qe2h5 b4xc3
>>     2/9+	00:00	         573	0	+0.64	Qe2h5 b4xc3
>>     2/9	00:00	         641	0	+0.78	Qe2h5 g7g6
>>     3/9	00:00	         872	0	+0.72	Qe2h5 g7g6 Qh5f3
>>     3/13+	00:00	       2.013	0	+0.73	Qe2e4 g7g6 c3xb4
>>     3/13+	00:00	       2.100	0	+0.93	Qe2e4 g7g6 c3xb4
>>     3/13	00:00	       2.241	0	+1.32	Qe2e4 g7g6 c3xb4
>>     4/13	00:00	       3.030	0	+1.23	Qe2e4 g7g6 c3c4 Nd5c3
>>     5/14	00:00	      11.974	0	+1.29	Qe2e4 g7g6 c3xb4 Qd8d6 Qe4f3 f7f6
>>     5/14+	00:00	      15.172	0	+1.30	Qe2h5 g7g6 Bd3xg6 f7xg6 Ne5xg6+ Kh8g8
>>     5/14	00:00	      16.867	0	+1.39	Qe2h5 g7g6 Bd3xg6 f7xg6 Ne5xg6+ Kh8g8
>>     6/16	00:00	      28.212	0	+1.39	Qe2h5 g7g6 Bd3xg6 f7xg6 Ne5xg6+ Kh8g8
>>Ng6xf8
>>     7/17	00:00	      66.391	0	+1.39	Qe2h5 g7g6 Bd3xg6 f7xg6 Ne5xg6+ Kh8g8
>>Ng6xf8 Qd8xf8
>>     7/18+	00:00	     106.407	0	+1.40	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1 Rg1xd1
>>Qd8xg5+ Kc1b1
>>     7/18	00:00	     147.358	0	+1.48	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1 Rg1xd1
>>Qd8xg5+ Kc1b1
>>     8/20+	00:01	     266.208	0	+1.90	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1 Kc1xd1
>>Qd8xd4 Ne5xf7+ Rf8xf7
>>     8/20	00:01	     368.662	748.784	+2.23	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1
>>Ne5c6 Qd8d6 Rg1xd1
>>     9/20	00:01	     660.451	807.022	+2.23	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1
>>Ne5c6 Qd8d6 Rg1xd1 Qd6xh2
>>    10/27	00:02	   1.460.524	868.444	+2.03	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1
>>Ne5c6 Qd8d6 Rg1xd1 Qd6xh2 Nc6xb4
>>    11/27	00:04	   4.054.969	950.406	+2.32	Qe2e4 g7g6 c3c4 Nd5c3 Qe4xb7 Nc3xd1
>>Ne5c6 Qd8d6 Rg1xd1 Qd6xh2 Kc1b1 Qh2h5
>>    11/27+	00:06	   5.775.383	946.649	+2.33	Qe2h5 g7g6 Bd3xg6 f7xg6 Ne5xg6+
>>Kh8g8 Ng6xf8 Qd8xf8 g5g6 Qf8f4+ Rd1d2 Nd5f6 g6xh7+ Kg8f8
>>    11/27+	00:07	   6.264.867	937.052	+2.53	Qe2h5 g7g6 Bd3xg6 f7xg6 Ne5xg6+
>>Kh8g8 Ng6xf8 Qd8xf8 g5g6 Qf8f4+ Rd1d2 Nd5f6 g6xh7+ Kg8f8
>>    11/27	00:08	   7.274.702	937.398	+2.87	Qe2h5 g7g6 Bd3xg6 f7xg6 Ne5xg6+ Kh8g8
>>Ng6xf8 Qd8xf8 g5g6 Qf8f4+ Rd1d2 h7h6 c3xb4
>>    12/29	00:11	  10.496.362	959.415	+2.73	Qe2h5 g7g6 Bd3xg6 f7xg6 Ne5xg6+ Kh8g8
>>Ng6xf8 Qd8xf8 g5g6 Qf8f4+ Rd1d2 h7h6 c3c4 Nd5b6
>>    13/31	00:19	  18.514.181	1.003.384	+2.70	Qe2h5 g7g6 Bd3xg6 f7xg6 Ne5xg6+
>>Kh8g7 Ng6xf8 Qd8xf8 g5g6 h7h6 c3c4 Qf8f4+ Kc1b1 Nd5b6 Qh5g4
>>    14/33	00:42	  42.022.193	1.015.474	+2.55	Qe2h5 g7g6 Bd3xg6 f7xg6 Ne5xg6+
>>Kh8g8 Ng6xf8 Qd8xf8 g5g6 Qf8f4+ Rd1d2 h7h6 c3c4 Nd5b6 Qh5c5 Qf4xh2
>>    15/37-	01:42	 103.919.584	1.023.120	+2.13	Qe2h5 g7g6 Bd3xg6 f7xg6 Ne5xg6+
>>Kh8g8 Ng6xf8 Qd8xf8 g5g6 h7h6
>>    15/37	01:50	 111.620.038	1.016.652	+2.13	Qe2h5 g7g6 Bd3xg6 f7xg6 Ne5xg6+
>>Kh8g8 Ng6xf8 Qd8xf8 g5g6 h7h6 c3c4 Nd5f4 Qh5e5 Qf8f5 h2h4 Nf4d3+ Rd1xd3
>>    16/40	06:01	 368.578.671	1.020.228	+2.16	Qe2h5 g7g6 Bd3xg6
>>    17/44	24:06	1.418.445.088	981.172	+2.39	Qe2h5 b4xc3 Ne5xf7+ Kh8g8
>>    18/46	1:15:14	 111.185.208	24.624	+2.45	Qe2h5 b4xc3 Ne5xf7+ Kh8g8 Nf7xd8
>>Ra8xd8
>>   2/4/2005 1:37:18 AM, Time for this analysis: 01:23:20, Rated time: 1:23:20
>>
>>0 of 1 matching moves
>>2/4/2005 1:37:19 AM, Total time: 4:11:24 AM
>>Rated time: 1:23:20 = 5000 Seconds
>>
>>--------------------------------------------------------------------------------
>>
>>Analysis from E:\tam.epd
>>2/3/2005 9:25:54 PM Level: Infinite
>>Analyzing engine: Glaurung
>>
>>1)  Best move (Glaurung): Bd3xh7
>>    Not OK: 1:23:20
>>      2	00:00	         673	0	+1.57	Qe2e4 g7g6 c3xb4
>>      3	00:00	       1.513	0	+1.57	Qe2e4 g7g6 c3xb4
>>      4	00:00	       3.921	0	+1.48	Qe2e4 g7g6 c3xb4 c7c6
>>      5	00:00	      19.284	1.205.250	+1.47	Qe2e4 g7g6 c3xb4 c7c6 a2a3
>>      6	00:00	      45.122	960.042	+1.42	Qe2e4 g7g6 c3xb4 c7c6 Qe4f3 Kh8g8
>>      7	00:00	     115.646	925.168	+1.44	Qe2e4 g7g6 c3xb4 Ra8b8 Qe4f3 Nd5xb4
>>Ne5xf7+ Kh8g8
>>      8	00:00	     288.559	921.913	+1.38	Qe2e4 g7g6 c3xb4 Ra8b8 Qe4f3 Kh8g8
>>Bd3e4 c7c6
>>      9	00:01	     803.849	988.744	+1.30	Qe2e4 g7g6 c3xb4 Ra8b8 Qe4e1 Nd5f4
>>Bd3f1 f7f6 g5xf6 Qd8xf6
>>     10	00:02	   2.471.509	1.007.545	+1.30	Qe2e4 g7g6 c3xb4 Ra8b8 Qe4e1 Nd5f4
>>Bd3f1 f7f6 g5xf6 Qd8xf6
>>     11	00:07	   7.329.401	1.010.951	+1.20	Qe2e4 g7g6 c3xb4 Ra8b8 Qe4e1 Qd8e7
>>a2a3 Nd5f4 Bd3f1 Rb8d8 Bf1c4
>>     12	00:29	  29.890.384	1.021.858	+1.27	Qe2e4 g7g6 c3xb4 Ra8b8 Qe4e1 Qd8e7
>>a2a3 Nd5f4 Bd3f1 Rb8d8 Qe1e3 Nf4d5
>>     13	01:07	  69.280.389	1.023.026	+1.28	Qe2e4 g7g6 c3xb4 Ra8b8 Qe4e1 Qd8e7
>>a2a3 Nd5f4 Bd3f1 Rb8d8 Qe1e3 Nf4d5 Qe3e4
>>     14	02:58	 182.693.782	1.023.007	+1.26	Qe2e4 g7g6 c3xb4 Ra8b8 Qe4e1 Qd8e7
>>a2a3 Nd5f4 Bd3f1 Rb8d8 Qe1d2 Nf4d5 Rd1e1 c7c6
>>     15	09:39	 591.838.530	1.021.307	+1.29	Qe2e4 g7g6 c3xb4 Ra8b8 Qe4e1 Kh8g8
>>a2a3 Qd8d6 Rg1g4 Nd5e7 Bd3e4 Bb7d5 Be4xd5 e6xd5 Qe1e3
>>     15	29:46	1.821.094.599	1.019.646	+1.59	Bd3xh7 Nd5f4 Qe2g4 Kh8xh7 Qg4xf4
>>b4xc3 Ne5xf7 c3xb2+ Kc1xb2 Kh7g8 Nf7xd8 Rf8xf4 Nd8xb7 Ra8b8 Kb2c3 Rb8xb7
>>   2/4/2005 3:00:46 AM, Time for this analysis: 01:23:20, Rated time: 1:23:20
>>
>>0 of 1 matching moves
>>2/4/2005 3:00:47 AM, Total time: 5:34:52 AM
>>Rated time: 1:23:20 = 5000 Seconds
>>
>>--------------------------------------------------------------------------------
>>
>>Analysis from E:\tam.epd
>>2/3/2005 9:25:54 PM Level: Infinite
>>Analyzing engine: PRODEO
>>
>>1)  Best move (PRODEO): Bd3xh7
>>    Not OK: 1:23:20
>>      2	00:00	         453	453	+0.58	e2h5 g7g6
>>      2	00:00	         778	778	+1.01	e2e4 g7g6 c3b4
>>      3	00:00	       1.544	1.544	+1.01	e2e4 g7g6 c3b4
>>      4	00:00	       4.299	4.299	+1.01	e2e4 g7g6 c3b4 a8b8
>>      5	00:00	      23.154	23.154	+1.01	e2e4 g7g6 c3c4 d5c3 e4b7
>>      6	00:00	      48.466	48.466	+1.01	e2e4 g7g6 c3c4 d5c3 e4b7 c3d1 g1d1
>>      7	00:00	     129.857	129.857	+1.39	e2e4 g7g6 c3c4 d5c3 e4b7 c3d1 g1d1 d8g5
>>c1b1
>>      7	00:00	     141.593	141.593	+1.46	e2h5 g7g6 d3g6 f7g6 e5g6 h8g8 g6f8 d8f8
>>g5g6
>>      8	00:00	     408.992	408.992	+1.70	e2h5 g7g6 d3g6 f7g6 e5g6 h8g7 g6f8 d8f8
>>g5g6 f8f4 d1d2 f4h6 h5e5
>>      9	00:01	   1.609.864	1.609.864	+1.93	e2h5 g7g6 d3g6 f7g6 e5g6 h8g7 g6f8
>>d8f8 g5g6 h7h6 c3c4 f8f4
>>     10	00:05	   6.838.454	1.243.355	+1.93	e2h5 g7g6 d3g6 f7g6 e5g6 h8g7 g6f8
>>d8f8 g5g6 h7h6 c3c4 f8f4
>>     11	00:10	  14.077.340	1.309.520	+1.54	e2h5 g7g6 d3g6 f7g6 e5g6 h8g8 g6f8
>>d8f8 g5g6 h7h6 c3c4 f8f4 d1d2 d5f6 h5h3 b7e4
>>     12	01:31	 123.118.207	1.352.947	+1.21	e2h5 g7g6 d3g6 f7g6 e5g6 h8g8 g6f8
>>d8f8 g5g6 h7h6 c3c4 f8f4 c1b1
>>     12	01:31	 124.415.771	1.367.206	+1.44	e2e4 g7g6 c3c4 d5c3 e4b7 c3d1 e5c6
>>d8d6
>>     13	05:32	 444.304.974	1.338.267	+1.40	e2e4 g7g6 c3c4 d5c3 e4b7 c3d1 e5c6
>>d8d6
>>     14	09:46	 798.800.015	1.363.139	+1.40	e2e4 g7g6 c3c4 d5c3 e4b7
>>     15	23:00	1.887.214.734	1.367.546	+1.56	e2e4 g7g6 c3c4 d5c3 e4b7 c3d1 g1d1
>>d8g5 c1b1 g5f4 b7c7 a8d8
>>     15	23:55	1.956.386.301	1.363.335	+1.67	e2h5 g7g6 h5h6
>>     15	54:07	  70.353.119	21.667	+1.67	d3h7
>>     15	1:14:59	1.706.660.918	379.342	+1.97	d3h7 d5f4
>>   2/4/2005 4:24:16 AM, Time for this analysis: 01:23:20, Rated time: 1:23:20
>>
>>0 of 1 matching moves
>>2/4/2005 4:24:18 AM, Total time: 6:58:23 AM
>>Rated time: 1:23:20 = 5000 Seconds
>
>Thanks Dann, for your effort!
>
>Possibly my game could be added to a Test Suite; As your demonstration proves it
>is tough, even for modern hardware and software.
>
>I was surprised that a Trogan Sac, like Bxh7+ would be so tough for machines to
>solve! I agree with you that there were attractive alternatives, like Qe4 and to
>some degree Qh5, which make it hard for machines to finally settle on Bxh7+!
>However, IMO, I think due to these factors it actually makes it a good test move
>for todays computers.
>
>Congratulations to Pro Deo, (Ed Schroder) and Glaurung! I'm sorry I don't know
>the name of the author of the latter program.
>
>Regards,
> Terry A. McCracken

Correction Bxh7!, there is no check. This may be a factor as well...



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