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Subject: Re: J7 makes a 2 pawn mistake.

Author: Slater Wold

Date: 18:41:29 04/18/02

Go up one level in this thread


On April 18, 2002 at 21:32:49, John Merlino wrote:

>On April 18, 2002 at 19:24:19, Slater Wold wrote:
>
>>Fritz 7 (128MB - AMD 1.73Ghz) - Deep Junior 7 (128MB - AMD 1.73Ghz) [B85]
>>simple (1.1), 18.04.2002
>>
>>1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.Be2 Nf6 7.Be3 Be7 8.f4 0-0
>>9.0-0 a6 10.a4 Qc7 11.Kh1 Re8 12.Bf3 Nxd4  0.28/17  1:19  13.Qxd4 e5  0.27/19
>>4:27  14.Qd2 exf4 15.Bxf4 Be6 16.Rad1 Rad8  0.22/18  4:53  17.Qf2  0.28/14  2:01
>> Qa5 (Qc4)  0.20/17  2:50  18.Qg3 (Bd2)  0.19/14  3:24  18...h5 (Nh5)  0.14/17
>>2:27  19.Bxd6 (Bd2)  0.59/14  2:22  19...Rxd6 (h4)  0.21/16  1:16  20.Rxd6
>>0.63/14  42  h4  0.25/17  1:52  21.Qf4  0.56/15  2:01  Bxd6  0.34/17  2:59
>>22.Qxd6  0.56/13  22  Nd7  0.31/17  1:29  23.Be2  0.50/14  2:05  Nf8  0.30/18
>>2:17  24.Rd1 (Bd3)  0.56/14  2:05  24...Ng6  0.27/18  58  25.Bg4  0.63/14  1:13
>>Qg5 (Bxg4)  0.43/17  1:46  26.Bxe6  0.63/14  1:44  Rxe6  0.39/17  1:27  27.Qd4
>>(Qd8+)  0.59/14  2:07  27...Kh7 (Qf4)  0.31/17  1:00  28.Rf1 (Qd2)  0.66/15
>>1:52  28...Nf4 (Ne5)  0.16/16  56  29.Qd2  0.69/15  2:04  Rf6  0.59/18  3:26
>>30.Rf3  0.66/15  1:47  Qe5  0.47/17  1:04  31.Qf2 (Nd5)  0.66/15  1:42  31...g5
>>(Qg5)  0.00/17  36  32.Qe1 (h3)  0.66/13  56  32...b5  -0.16/16  31  33.axb5
>>(Qd1)  0.38/14  2:30  33...axb5  -0.21/16  1:52  34.b4 (Qd1)  0.38/13  1:13
>>34...Rh6  -0.16/16  1:24  35.Nd1 (Qf1)  0.41/13  2:02  35...Ra6 (f5)  -0.22/16
>>1:33  36.g3  0.81/14  1:07  hxg3  -0.15/14  19  37.hxg3  0.91/14  1:37  Rh6+
>>(Nh5)  -0.05/14  28  38.Kg1  0.66/9  0  Nh3+ (Qd4+)  0.14/15  1:04  39.Kg2
>>1.72/14  56  Qe7 (Qe6)  0.18/16  2:33  40.Rf5 (Nf2)  1.94/14  1:25  40...Qe6
>>(g4)  0.37/16  1:00  41.Qe2 (Nc3)  2.56/13  41  41...Kg8 (Qe7)  0.52/15  23
>>42.Qd3 (Rxb5)  2.81/13  51  42...Qe8  1.23/15  1:20  43.Ne3 (Nf2)  4.50/13  28
>>43...Qc8  2.51/15  1:15  44.Qd5 (Ng4)  4.56/12  27  44...Rh7  3.06/17  1:54
>>45.c4 (Qd4)  5.00/12  27  45...bxc4  3.53/15  1:00  46.Ng4  6.41/13  13  Qe6
>>4.60/16  51  47.Nf6+  6.84/13  15  Kg7  #1/18  2:09  48.Nxh7  7.13/13  8  c3
>>6.17/17  1:30  49.Kxh3  8.09/13  10  Kxh7 6.22/18  33  1-0
>>
>>
>>[D]8/5p1k/7r/1p2q1p1/1P2Pn2/5RP1/2P5/3NQ1K1 b - - 0 38
>>
>>W,S - Deep Junior 7
>>8/5p1k/7r/1p2q1p1/1P2Pn2/5RP1/2P5/3NQ1K1 b - - 0 1
>>
>>Analysis by Deep Junior 7:
>>
>>38...Ne6 39.Rxf7+ Kg8 40.Qc3 Qxe4
>>  ±  (1.32)   Depth: 3   00:00:00
>>38...Nh3+ 39.Kh2 Kg8
>>  ³  (-0.57)   Depth: 3   00:00:00
>>38...Nh3+ 39.Kh2 Kg8
>>  ³  (-0.57)   Depth: 3   00:00:00
>>38...Nh3+ 39.Kg2 Kg8 40.Nf2 Qh8 41.Nxh3 Rxh3
>>  ³  (-0.51)   Depth: 6   00:00:00  11kN
>>38...Nh3+ 39.Kg2 Kg8 40.Nf2 Nxf2 41.Rxf2 Qd4 42.c3 Qa7
>>  ³  (-0.38)   Depth: 9   00:00:00  183kN
>>38...Nh3+ 39.Kg2 Qe6 40.Nc3 Qc4 41.Qf1 Kg7 42.Qxc4 bxc4 43.b5 g4
>>  =  (-0.13)   Depth: 12   00:00:01  2869kN
>>38...Nh3+ 39.Kg2 Qe6 40.Nc3 g4 41.Rf5 Qc4 42.Qd2 Kg7 43.Rxb5 Qc7
>>  =  (0.09)   Depth: 15   00:00:16  45254kN
>>38...Nh3+ 39.Kg2
>>  ²  (0.39)   Depth: 18   00:05:45  1040616kN, tb=668
>>
>>(W,  18.04.2002)
>>
>>All that time, and it still doesn't see it!  After J7 moved Nh3+, Fritz 7 says:
>>
>>
>>Fritz 7 - W,S
>>8/5p1k/7r/1p2q1p1/1P2P3/5RPn/2P5/3NQ1K1 w - - 0 1
>>
>>Analysis by Fritz 7:
>>
>>2.Kg2 Qe6 3.Rf5 Kg7 4.Qc3+ Kg8 5.Qd3 Qc6 6.Rxb5 g4 7.Rb8+ Kg7
>>  +-  (1.63)   Depth: 9/26   00:00:00  452kN
>>2.Kg2 Qe7 3.Rf5 g4 4.Qe2 Qxb4 5.Rxf7+ Kg6 6.Rf5 Ng5 7.Qxg4 Qxe4+ 8.Qxe4
>>  ±  (1.38)   Depth: 10/26   00:00:01  1096kN
>>2.Kg2 Qe6 3.Rf5 Qc4 4.Rc5 Qe6 5.Qe2 Qd7 6.Rd5 Qa7 7.Ne3
>>  +-  (1.59)   Depth: 11/30   00:00:03  2875kN
>>2.Kg2 Qe6 3.Rf5 Qc4 4.Rc5 Qe6 5.Qe2 Qd7 6.Rxb5 Qd4 7.Qe1
>>  +-  (1.56)   Depth: 12/33   00:00:07  6518kN
>>2.Kg2 Qe6 3.Rf5 Qc4 4.Rc5 Qe6 5.Qe2 Qd7 6.Rxb5 Qd4 7.Qe1
>>  +-  (1.56)   Depth: 13/38   00:00:15  14661kN
>>2.Kg2 Qe6 3.Rf5 Qc4 4.Rc5 Qe6 5.Qe2 Nf4+ 6.gxf4 Qh3+ 7.Kf2 Qh1 8.Ke3 Rh2 9.Nf2
>>  +-  (1.66)   Depth: 14/38   00:00:43  40941kN
>>2.Kg2 Qe6 3.Rf5 Qc4 4.Rc5 Qe6 5.Qe2 Nf4+ 6.gxf4 Qh3+ 7.Kf2 Qh1 8.Ke3
>>  +-  (1.66)   Depth: 15/36   00:01:53  107252kN
>>
>>(W,  18.04.2002)
>
>Chessmaster 9000 never considers Nh3+. This is on a PIII-600:
>
>Time	Depth	Score	Positions	Moves
>0:00	1/3	0.91	3453		38...Qd4+ 39.Nf2 Rh3 40.Qf1
>0:00	1/4	1.30	9383		38...Qd4+ 39.Nf2 Nh3+ 40.Kg2 Qd7
>					41.Rd3
>0:00	1/4	1.16	11469		38...Qg7 39.e5 Ng6 40.Qe4 Kg8
>0:00	2/5	1.45	27355		38...Qg7 39.Qd2 Rh3 40.Nc3 Qg6
>					41.Qd8
>0:00	2/5	1.37	51078		38...Nd5 39.Rxf7+ Kg6 40.Rb7 Qd4+
>					41.Nf2 Nxb4 42.Qe2
>0:01	2/6	1.44	79878		38...Nd5 39.Rf5 Qd4+ 40.Nf2 Re6
>					41.Rxf7+ Kg6 42.Rd7 Qxb4 43.Qxb4
>					Nxb4
>0:01	2/6	1.17	115436		38...Qg7 39.e5 Qg6 40.Nf2 Nd5 41.Qe4
>
>0:04	3/7	1.43	322053		38...Qg7 39.Qd2 Nh3+ 40.Kf1 Rf6
>					41.Rf5 Rxf5+ 42.exf5 Qe5 43.Qd3
>0:14	3/8	1.31	1163637		38...Qg7 39.Nf2 Ne6 40.e5 f5 41.exf6ep
>					Rxf6 42.Qe4+ Kg8
>0:17	3/8	0.61	1520482		38...Qd4+ 39.Nf2 Ra6 40.c3 Qa7
>					41.Qe3 Qxe3 42.Rxe3 Ra1+ 43.Kh2
>					Ra2 44.Rf3
>0:37	4/9	0.69	3384556		38...Qd4+ 39.Nf2 Ra6 40.c3 Qa7
>					41.Qe3 Qxe3 42.Rxe3 Ra1+ 43.Kh2
>					Ng6 44.Nd3 Ra2+ 45.Kh3 Rd2
>1:45	5/10	0.80	9621858		38...Qd4+ 39.Nf2 Ra6 40.c3 Qa7
>					41.Qe3 Qxe3 42.Rxe3 Ra1+ 43.Kh2
>					Ne6 44.Rf3 Kg6 45.Ng4 Ra2+ 46.Kh3
>6:01	6/11	0.74	33711546	38...Qd4+ 39.Nf2 Ra6 40.c3 Qa7
>					41.Qd2 Ra2 42.Qe3 Qxe3 43.Rxe3
>					Ng6 44.Ng4 Rc2 45.e5
>
>jm

No other program does John.  ;)


*None that I tested anyway*



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