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Subject: Re: 2 Intuitive move test positions

Author: Dann Corbit

Date: 01:27:43 06/03/05

Go up one level in this thread


On June 02, 2005 at 19:53:39, ludicrous wrote:

>The first one is:
>
>Umansky,Mikhail (World CC Champion) (2524) - Weber,Daniel (2176) [E04]
>
>1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Nc6 6.0-0 Rb8 7.Nc3 a6 8.e4 b5 9.d5
>Nb4 10.b3 cxb3 11.Qxb3 c5 12.dxc6 Nxc6 13.Bf4 Rb7 14.Rad1 Nd7 15.Qc2 Na5
>
>[D]2bqkb1r/1r1n1ppp/p3p3/np6/4PB2/2N2NP1/P1Q2PBP/3R1RK1 w k - 0 16
>
>White to move.  Umansky played Nd5!!
>
>16.Nd5!! exd5 17.exd5 Be7 18.Nd4! 0-0 19.Nc6 Nxc6 20.dxc6 Ra7 21.c7 Qe8 22.Rfe1
>Nc5 23.Bd6 Bxd6 24.Rxe8 Rxe8 25.Bc6 Rf8 26.Rxd6 Ne6 27.f4 Rxc7 28.Qd2 g6 29.g4
>Ng7 30.Qa5 Ne8 31.Bxe8 Rc1+ 32.Kf2 Rxe8 33.Rd8 Rxd8 34.Qxd8+ Kg7 35.f5 Rc6
>36.Qd4+ Kf8 37.Qh8+ Ke7 38.Qxh7 gxf5 39.g5 Rc2+ 40.Ke3 Rg2 41.h4 Be6 42.Qh8 a5
>43.Qf6+ Kd7 44.h5 Rxa2 45.h6 Rh2 46.Qg7 Kd6 47.h7 Rh3+ 48.Kf4 Rh4+ 49.Kg3 Rxh7
>50.Qxh7 b4 51.Qh8 Kd5 52.Qa8+ Kc4 53.g6 fxg6 54.Qc6+ Kd4 55.Qxe6 Kc5 56.Kf4 Kd4
>57.Qd6+ Kc3 58.Ke3 1-0


Shredder says it is better to not take the knight.  Shredder settled on Qb1
which is not so pretty as the knight move.  The evaluations are very close, and
so it is still very much up in the air which is better.

Analysis from e:\nd5.epd
6/2/2005 11:05:56 PM Level: Infinite
Analyzing engine: Shredder 9 UCI

1) Nd5; pv 16.Nd5 exd5
    Searching move: Nc3-d5, Nc3-d5, e4-d5
    Best move (Shredder 9 UCI): Qc2-b1
    Not found in: 10:00
     2/3-	00:00	          59	634	+2.06	Bf4g5
     2/4	00:00	          96	880	+2.06	Bf4g5 Qd8b6
     3/8	00:00	         470	4.311	+1.86	Bf4g5 Bf8e7 Bg5f4
     3/8+	00:00	       1.070	8.560	+1.89	Nf3e5
     3/8	00:00	       1.500	10.714	+2.04	Nf3e5 Rb7c7 Qc2d3
     3/8+	00:00	       2.860	18.333	+2.07	Rd1d3
     3/8	00:00	       3.069	17.843	+2.08	Rd1d3 Bf8b4 Bf4g5
     4/6-	00:00	       3.276	17.518	+1.83	Rd1d3 Bf8b4
     4/8-	00:00	       3.598	17.724	+1.33	Rd1d3 Bf8b4
     4/8	00:00	       3.802	17.440	+1.00	Rd1d3 Bf8e7 Rf1d1 00
     4/8+	00:00	       4.010	17.136	+1.32	Nf3e5
     4/8	00:00	       4.232	16.928	+1.32	Nf3e5 Bf8b4 Nc3e2 00
     4/8+	00:00	       4.317	16.290	+1.78	Bf4g5
     4/8	00:00	       4.558	15.346	+1.78	Bf4g5 f7f6
     5/8	00:00	       6.357	20.375	+1.54	Bf4g5 f7f6 Bg5f4 Na5c4 Nc3e2
     5/14+	00:00	      11.266	32.845	+1.55	Nc3b1
     5/14	00:00	      11.622	32.373	+1.60	Nc3b1 Na5c4 Nb1d2 Nc4xd2 Qc2xd2 Bf8c5
     5/14+	00:00	      12.414	31.830	+1.61	a2a4
     5/14	00:00	      14.362	35.374	+1.61	a2a4 b5xa4
     5/14+	00:00	      15.742	36.022	+1.62	e4e5
     5/14	00:00	      16.210	35.783	+1.62	e4e5 Na5c4 Bf4g5
     6/15-	00:00	      26.148	52.296	+1.37	e4e5 Na5c4
     6/15	00:00	      29.641	55.821	+1.14	e4e5 Bf8e7 Nf3d4 00 Bg2e4 h7h6
     7/15	00:00	      82.941	123.424	+1.25	e4e5 Qd8c7 Nf3g5 Bf8b4 Bg2xb7 Bc8xb7
Rd1d3
     8/19-	00:01	     205.060	211.838	+1.00	e4e5 Qd8c7
     8/19	00:01	     232.752	222.303	+0.69	e4e5 Bf8e7 h2h4 Na5c4 Nf3g5 Rb7c7
Qc2e4 Be7c5
     8/19+	00:01	     315.253	252.202	+0.70	Bf4g5
     8/19	00:01	     327.228	252.296	+0.91	Bf4g5 Qd8c7 Qc2b2 Na5c4 Qb2e2 Bf8c5
Bg5f4 e6e5
     9/20	00:01	     492.913	292.183	+0.88	Bf4g5 Qd8c7 Qc2b2 Na5c4 Qb2e2 Bf8c5
Bg5f4 Qc7a5 Qe2d3
    10/19-	00:02	     814.040	336.102	+0.63	Bf4g5 Qd8c7
    10/23	00:03	   1.119.487	360.079	+0.63	Bf4g5 Qd8c7
    10/23+	00:05	   2.027.469	399.265	+0.64	h2h4
    10/25	00:05	   2.101.044	399.058	+0.64	h2h4 Bf8e7
    11/22-	00:05	   2.259.732	400.661	+0.39	h2h4 Bf8e7
    11/30	00:06	   2.553.777	402.613	-0.05	h2h4 Bf8e7 Rf1e1 00 e4e5 h7h6
    11/30+	00:06	   2.572.778	401.620	-0.04	Bf4g5
    11/30	00:08	   3.093.324	390.472	+0.30	Bf4g5 Qd8c7 Qc2b2 Bf8c5 Nc3d5
    11/30+	00:08	   3.213.644	387.326	+0.31	e4e5
    11/30+	00:08	   3.243.118	387.237	+0.66	e4e5
    11/30	00:10	   4.208.890	394.386	+0.85	e4e5 Qd8c7 Qc2b1 Na5c4 Nc3e4 Rb7b6
Rf1e1 Bc8b7 Bf4g5
    12/27-	00:14	   5.672.701	408.843	+0.60	e4e5 Qd8c7
    12/38	00:14	   6.032.865	411.182	+0.12	e4e5 Rb7c7 Qc2d3 Na5c4 Qd3b1 Bf8e7
Nc3e4 00 Ne4g5
    12/38+	00:15	   6.150.779	411.781	+0.13	Bf4g5
    12/38+	00:15	   6.396.466	413.528	+0.48	Bf4g5
    12/38	00:16	   6.881.151	416.660	+0.48	Bf4g5 Qd8c7 Rd1c1 Bf8c5 Bg5f4 Qc7b6
e4e5 Rb7c7
    12/38+	00:18	   7.786.193	421.239	+0.49	Bf4e5
    12/38	00:19	   8.085.043	421.381	+0.49	Bf4e5 Na5c4 Rd1d3
    12/38+	00:20	   8.610.686	423.921	+0.50	Nc3e2
    12/38	00:20	   8.811.058	424.629	+0.76	Nc3e2 Bf8e7 Rd1c1 Na5c4 Nf3d2 00
Nd2xc4 b5xc4 Qc2xc4 Qd8b6 Rf1d1 Rf8d8 Bf4e3
    13/23-	00:23	  10.063.932	429.403	+0.51	Nc3e2 Bf8e7
    13/24	00:24	  10.440.369	432.206	+0.43	Nc3e2 Bf8e7 Rd1c1 Na5c4 Nf3d2 00
Nd2xc4 b5xc4 Qc2xc4 Rb7b4 Qc4d3 Bc8b7 Rf1d1 Nd7f6
    13/28+	00:25	  11.011.175	433.408	+0.44	Bf4g5
    13/31	00:27	  11.975.535	435.236	+0.49	Bf4g5 Qd8c7 Rd1c1 Bf8c5 Bg5f4 Qc7b6
e4e5 Rb7c7 Nc3e4 Na5c4 Ne4xc5 Qb6xc5 Rf1d1 00 Nf3g5
    13/31+	00:28	  12.323.454	435.027	+0.50	Bf4e5
    13/31	00:29	  12.579.962	434.736	+0.50	Bf4e5 Na5c4 Be5d4 Rb7c7 Qc2e2 Bc8b7
Rd1d3 Qd8a8
    14/31	00:41	  17.670.550	433.303	+0.30	Bf4e5 Na5c4 Be5d4 Rb7c7 Qc2e2 Bc8b7
Nf3e5 Nd7xe5 Bd4xe5 Rc7d7 Rd1xd7 Qd8xd7 Rf1d1
    14/31+	00:42	  18.374.858	434.907	+0.31	Bf4g5
    14/36	00:46	  20.412.545	439.423	+0.32	Bf4g5 Qd8c7 Rd1c1 Bf8c5 Bg5f4 Qc7b6
e4e5 Rb7c7 Nc3e4 Na5c4 Rf1d1 Bc8b7
    14/36+	00:57	  25.456.462	445.510	+0.33	Nc3b1
    14/36	00:58	  25.936.586	444.789	+0.33	Nc3b1 Bf8e7 Rd1c1 Na5c4 Nb1d2 00
    14/36+	01:13	  32.357.576	443.254	+0.34	Nc3d5
    14/42	01:29	  39.486.757	443.282	+0.68	Nc3d5 e6xd5 e4xd5 Bf8c5 Nf3g5
    15/39-	02:03	  54.785.994	445.244	+0.43	Nc3d5 e6xd5
    15/39	02:10	  58.307.612	446.268	+0.43	Nc3d5 Na5c4
    15/39+	02:39	  70.657.904	444.783	+0.44	Qc2b1
    15/39	02:40	  71.183.460	444.896	+0.44	Qc2b1 Bf8e7 e4e5 00 Nc3e4 h7h6 Ne4d6
Rb7c7 Nf3d4 Be7g5 Nd6xc8
    16/32	03:06	  81.251.182	436.285	+0.51	Qc2b1 Bf8e7 e4e5 00 Nc3e4 h7h6 Ne4d6
Rb7c7 Rf1e1 Na5c4 Nf3d4 Nc4a3 Qb1e4 Na3c4
    16/38+	03:15	  84.285.497	431.059	+0.52	Nc3d5
    16/42	03:39	  93.487.590	426.125	+0.54	Nc3d5 Na5c4 Nd5e3 Nc4xe3 Bf4xe3 Bf8e7
Nf3d4 Qd8c7 Rd1c1 Qc7xc2 Rc1xc2 00 e4e5 Rb7b6 Nd4c6 Rb6xc6 Bg2xc6 Nd7xe5 Bc6e4
    17/46	05:51	 152.946.351	435.376	+0.37	Nc3d5 Na5c4 Nd5e3 Nc4xe3 Bf4xe3 Bf8e7
Nf3d4 Qd8c7 Rd1c1 Qc7xc2 Rc1xc2 00 Nd4c6 Be7a3
    17/46+	06:35	 172.383.654	435.897	+0.38	Qc2b1
    17/46	06:43	 175.884.418	436.556	+0.40	Qc2b1 Bf8e7 e4e5 00 Nc3e4 h7h6 Ne4d6
Rb7c7 Rf1e1 Bc8b7 Nd6xb7 Rc7xb7 Qb1e4 Qd8c7 Nf3d4
    18/36	09:32	 250.240.233	437.459	+0.39	Qc2b1 Bf8e7 e4e5 00 Nc3e4 h7h6 Ne4d6
Rb7c7 Rf1e1 g7g5 Bf4e3 g5g4 Nf3h4 Be7xh4 g3xh4 Qd8xh4
   6/3/2005 1:16:49 AM, Time for this analysis: 00:10:00, Rated time: 10:00



>The next is:
>
>
>Tal Mikhail (LAT) - Larsen Bent (DEN) [B82]
>Ch World match (1/2) Bled (Yugoslavia), 10.03.1965
>
>1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 d6 6.Be3 Nf6 7.f4 Be7 8.Qf3 0-0
>9.0-0-0 Qc7 10.Ndb5 Qb8 11.g4 a6 12.Nd4 Nxd4 13.Bxd4 b5 14.g5 Nd7 15.Bd3 b4
>
>[D]rqb2rk1/3nbppp/p2pp3/6P1/1p1BPP2/2NB1Q2/PPP4P/2KR3R w - - 0 16
>
>Tal played 16. Nd5!
>
>16.Nd5 exd5 17.exd5 f5 18.Rde1 Rf7 19.h4 Bb7 20.Bxf5 Rxf5 21.Rxe7 Ne5 22.Qe4 Qf8
>23.fxe5 Rf4 24.Qe3 Rf3 25.Qe2 Qxe7 26.Qxf3 dxe5 27.Re1 Rd8 28.Rxe5 Qd6 29.Qf4
>Rf8 30.Qe4 b3 31.axb3 Rf1+ 32.Kd2 Qb4+ 33.c3 Qd6 34.Bc5 Qxc5 35.Re8+ Rf8 36.Qe6+
>Kh8 37.Qf7 1-0

Shredder chose the tame looking Ne2:

2) Nd5; pv 16.Nd5 exd5
    Searching move: Nc3-d5, Nc3-d5, e4-d5
    Best move (Shredder 9 UCI): Nc3-e2
    Not found in: 10:00
     2/3-	00:00	          91	827	+0.67	Nc3a4
     2/3	00:00	         119	1.081	+0.31	Nc3a4 Qb8c7
     2/3+	00:00	         205	1.863	+0.49	Nc3b1
     2/8	00:00	         245	1.960	+0.54	Nc3b1 Qb8c7
     3/6	00:00	         583	4.134	+0.74	Nc3b1 Nd7c5 Nb1d2
     4/7-	00:00	       2.860	18.216	+0.48	Nc3b1 Nd7c5
     4/8	00:00	       3.286	19.104	+0.36	Nc3b1 Qb8c7 Qf3h5 Bc8b7
     5/15	00:00	       8.917	43.710	+0.36	Nc3b1 e6e5 Bd4e3 e5xf4 Qf3xf4 Qb8c7
     6/15	00:00	      17.675	75.212	+0.23	Nc3b1 e6e5 Bd4e3 Qb8c7 Nb1d2 Bc8b7
     7/15	00:00	      37.844	127.420	+0.15	Nc3b1 e6e5 Bd4e3 Qb8c7 h2h4 Bc8b7
Nb1d2
     8/17	00:00	     104.202	222.179	+0.07	Nc3b1 e6e5 Bd4e3 Qb8c7 Rh1f1 Bc8b7
Qf3h5 a6a5
     9/19	00:00	     171.523	267.586	+0.03	Nc3b1 e6e5 Bd4e3 Qb8c7 Rh1f1 Bc8b7
Nb1d2 Nd7c5 Bd3e2
    10/26	00:01	     408.299	330.606	+0.13	Nc3b1 Bc8b7 Qf3h3
    11/29-	00:02	   1.028.762	382.723	-0.12	Nc3b1 Bc8b7
    11/29	00:03	   1.259.851	391.379	-0.31	Nc3b1 Qb8c7 Nb1d2 e6e5 Bd4f2 e5xf4
Qf3xf4 Nd7e5 Kc1b1 Ne5xd3 c2xd3 Bc8e6 h2h4
    11/29+	00:03	   1.396.883	395.493	-0.30	Nc3a4
    11/29	00:04	   1.868.766	408.116	-0.30	Nc3a4 Qb8b7
    11/31+	00:06	   2.424.284	381.176	-0.08	Nc3e2 e6e5
    11/31	00:06	   2.431.236	379.465	-0.08	Nc3e2 e6e5
    12/16	00:06	   2.447.716	367.690	-0.08	Nc3e2 e6e5
    13/17	00:09	   3.421.877	352.081	-0.08	Nc3e2 e6e5
    14/18	00:12	   4.589.153	362.578	-0.08	Nc3e2 e6e5
    15/22	00:19	   7.628.557	395.631	-0.08	Nc3e2 e6e5
    16/22	00:27	  11.494.078	420.581	-0.08	Nc3e2 e6e5
    17/24	00:42	  18.459.282	436.255	-0.08	Nc3e2 e6e5
    18/43	03:07	  83.991.741	447.879	+0.12	Nc3e2 e6e5 Bd4e3 e5xf4 Ne2xf4 Nd7e5
Qf3f1 Bc8g4 Nf4d5 Qb8b7 Bd3e2 Bg4xe2 Qf1xe2 Ra8c8 h2h4 Rc8c4 Be3d4 Rf8c8 Rh1f1
Rc4xc2+
    19/51	06:11	 163.365.957	440.135	+0.15	Nc3e2 Bc8b7 Qf3h3 Rf8c8 Rh1g1 Nd7c5
f4f5
   6/3/2005 1:26:50 AM, Time for this analysis: 00:10:00, Rated time: 20:00




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