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Subject: Re: Another hard task for Junior - test

Author: Vincent Lejeune

Date: 04:59:44 10/25/03

Go up one level in this thread


after looking at some lines a saw the strangest eval from Junior 8

[d]8/8/8/5N2/6p1/8/5K1p/7k b - - 0 1

Analysis by Junior 8:

1. = (0.00): 9...g3+ 10.Cxg3#

from this position : 8/8/8/8/6p1/4N3/5K1p/7k w - - let analyse , it evaluate
0.00 play Nf5 and it still 0.00 despite the mate in 1 :)

Giving draw for a mate in 1 ??? :))

On October 25, 2003 at 00:59:40, James T. Walker wrote:

>On October 24, 2003 at 10:21:01, Mihaly Szalai wrote:
>
>>[D]8/6p1/3N4/8/4B3/4K1kp/5p1p/8 w - - 0 1
>>
>>This position is nice and not too difficult. (White wins.)
>>E.g. Ruffian solves it immediately.
>>You should give it a try with your engine.
>>
>>Thanks
>>Mihaly
>>
>>PS. Junior is baffled once again.
>>
>>Analysis by Junior 8 (Celeron 1.7, 64MB HT):
>>
>>1.Nc8 f1Q
>>  -+  (-10.64)   Depth: 3   00:00:00
>>1.Nc4 f1Q
>>  -+  (-10.06)   Depth: 3   00:00:00
>>1.Nf5+ Kg4 2.Kxf2 h1Q 3.Bxh1
>>  +-  (1.80)   Depth: 3   00:00:00
>>1.Nf5+!
>>  +-  (2.10)   Depth: 6   00:00:00  1kN
>>1.Nf5+ Kg4 2.Kxf2 Kf4 3.Ng3 g5 4.Bh1
>>  +-  (2.39)   Depth: 6   00:00:00  2kN
>>1.Nf5+ Kg4 2.Kxf2 h1N+ 3.Bxh1 Kxf5 4.Ba8
>>  =  (0.00)   Depth: 9   00:00:00  60kN, tb=1
>>1.Nf5+ Kg4 2.Kxf2 h1N+ 3.Bxh1 Kxf5 4.Kg3
>>  =  (0.00)   Depth: 12   00:00:00  207kN, tb=34
>>1.Nf5+ Kg4 2.Kxf2 h1N+ 3.Bxh1 Kxf5 4.Kg3
>>  =  (0.00)   Depth: 15   00:00:02  2893kN, tb=124
>>1.Nf5+ Kg4 2.Kxf2 h1N+ 3.Bxh1 Kxf5 4.Kg3
>>  =  (0.00)   Depth: 18   00:00:11  12735kN, tb=575
>>1.Nf5+ Kg4 2.Kxf2 h1N+ 3.Bxh1 Kxf5 4.Kg3
>>  =  (0.00)   Depth: 20   00:00:41  48366kN, tb=3731
>>1.Nf5+ Kg4 2.Kxf2 h1N+ 3.Bxh1 Kxf5 4.Kg3
>>  =  (0.00)   Depth: 22   00:01:23  89541kN, tb=8809
>>1.Nf5+ Kg4 2.Kxf2 h1N+ 3.Bxh1 Kxf5 4.Kg3
>>  =  (0.00)   Depth: 23   00:02:20  142297kN, tb=13812
>>1.Nf5+ Kg4 2.Kxf2 h1N+ 3.Bxh1 Kxf5 4.Kg3
>>  =  (0.00)   Depth: 24   00:11:21  797448kN, tb=31235
>>1.Nf5+ Kg4 2.Kxf2 h1N+ 3.Bxh1 Kxf5 4.Kg3
>>  =  (0.00)   Depth: 25   00:21:01  1564776kN, tb=49849
>>
>>(Szalai, MyTown 24.10.2003)
>
>Which Ruffian?  My Ruffian 1.0.5 is confused even at Depth 21.  Ruffian shows a
>score of +6.02 for Ke2 and then changes it's mind to a draw again.  At depth 22
>the same thing happens again.  Ruffian can't make up it's mind if white is
>winning or it's a draw.
>
>Ruffian 1.0.5  UCI:
>D1  00:00  -6.28   1.Be4h1 f2f1Q
>D1  00:00  -0.03   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1Q 3.Be4xh1 Kg4xf5 4.Kf2f3 h3h2
>5.Kf3g3 g7g5 6.Kg3xh2 g5g4 7.Bh1d5 Kf5f4 8.Bd5h1 g4g3+ 9.Kh2g1 Kf4f5 10.Bh1f3
>D2  00:00  -0.03   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1Q 3.Be4xh1 Kg4xf5 4.Kf2f3 h3h2
>5.Kf3g3 g7g5 6.Kg3xh2 g5g4 7.Bh1d5 Kf5f4 8.Bd5h1 g4g3+ 9.Kh2g1 Kf4f5 10.Bh1f3
>D3  00:00  -0.03   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1Q 3.Be4xh1 Kg4xf5 4.Kf2f3 h3h2
>5.Kf3g3 g7g5 6.Kg3xh2 g5g4 7.Bh1d5 Kf5f4 8.Bd5h1 g4g3+ 9.Kh2g1 Kf4f5 10.Bh1f3
>D4  00:00  0.00   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1Q 3.Be4xh1 Kg4xf5 4.Kf2f3 h3h2
>5.Kf3g3 g7g5 6.Kg3xh2 g5g4 7.Bh1d5 Kf5f4 8.Bd5h1 g4g3+ 9.Kh2g1 Kf4f5 10.Bh1f3
>D5  00:00  0.00   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1Q 3.Be4xh1 Kg4xf5 4.Kf2f3 h3h2
>5.Kf3g3 g7g5 6.Kg3xh2 g5g4 7.Bh1d5 Kf5f4 8.Bd5h1 g4g3+ 9.Kh2g1 Kf4f5 10.Bh1f3
>D6  00:00  0.00   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1N+ 3.Be4xh1 Kg4xf5 4.Kf2f3 h3h2
>5.Kf3g3 g7g5 6.Kg3xh2 g5g4 7.Bh1d5 Kf5f4 8.Bd5h1 g4g3+ 9.Kh2g1 Kf4f5 10.Bh1f3
>D7  00:00  0.00   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1N+ 3.Be4xh1 Kg4xf5 4.Kf2f3 h3h2
>5.Kf3g3 g7g5 6.Kg3xh2 g5g4 7.Bh1d5 Kf5f4 8.Bd5h1 g4g3+ 9.Kh2g1 Kf4f5 10.Bh1f3
>D8  00:00  0.00   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1N+ 3.Be4xh1 Kg4xf5 4.Kf2f3 h3h2
>5.Kf3g3 g7g5 6.Kg3xh2 g5g4 7.Bh1d5 Kf5f4 8.Bd5h1 g4g3+ 9.Kh2g1 Kf4f5 10.Bh1f3
>D9  00:00  0.00   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1N+ 3.Be4xh1 Kg4xf5 4.Kf2f3 h3h2
>5.Kf3g3 g7g5 6.Kg3xh2 g5g4 7.Bh1d5 Kf5f4 8.Bd5h1 g4g3+ 9.Kh2g1 Kf4f5 10.Bh1f3
>D10  00:00  0.00   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1N+ 3.Be4xh1 Kg4xf5 4.Kf2f3 h3h2
>5.Kf3g3 g7g5 6.Kg3xh2 g5g4 7.Bh1d5 Kf5f4 8.Bd5h1 g4g3+ 9.Kh2g1 Kf4f5 10.Bh1f3
>D11  00:00  0.00   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1N+ 3.Be4xh1 Kg4xf5 4.Kf2f3 h3h2
>5.Kf3g3 g7g5 6.Kg3xh2 g5g4 7.Bh1d5 Kf5f4 8.Bd5h1 g4g3+ 9.Kh2g1 Kf4f5 10.Bh1f3
>D12  00:00  0.00   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1N+ 3.Be4xh1 Kg4xf5 4.Kf2f3 h3h2
>5.Kf3g3 g7g5 6.Kg3xh2 g5g4 7.Bh1d5 Kf5f4 8.Bd5h1 g4g3+ 9.Kh2g1 Kf4f5 10.Bh1f3
>D13  00:00  0.00   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1N+ 3.Be4xh1 Kg4xf5 4.Kf2f3 h3h2
>5.Kf3g3 g7g5 6.Kg3xh2 g5g4 7.Bh1d5 Kf5f4 8.Bd5h1 g4g3+ 9.Kh2g1 Kf4f5 10.Bh1f3
>D14  00:00  0.00   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1N+ 3.Be4xh1 Kg4xf5 4.Kf2f3 h3h2
>5.Kf3g3 g7g5 6.Kg3xh2 g5g4 7.Bh1d5 Kf5f4 8.Bd5h1 g4g3+ 9.Kh2g1 Kf4f5 10.Bh1f3
>D15  00:00  0.00   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1N+ 3.Be4xh1 Kg4xf5 4.Kf2f3 h3h2
>5.Kf3g3 g7g5 6.Kg3xh2 g5g4 7.Bh1d5 Kf5f4 8.Bd5h1 g4g3+ 9.Kh2g1 Kf4f5 10.Bh1f3
>D16  00:00  0.00   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1N+ 3.Be4xh1 Kg4xf5 4.Kf2f3 h3h2
>5.Kf3g3 g7g5 6.Kg3xh2 g5g4 7.Bh1d5 Kf5f4 8.Bd5h1 g4g3+ 9.Kh2g1 Kf4f5 10.Bh1f3
>D17  00:03  0.00   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1N+ 3.Be4xh1 Kg4xf5 4.Kf2f3 h3h2
>5.Kf3g3 g7g5 6.Kg3xh2 g5g4 7.Bh1d5 Kf5f4 8.Bd5h1 g4g3+
>D18  00:05  0.00   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1N+
>D19  00:32  0.00   1.Nd6f5+ Kg3g4 2.Ke3xf2 h2h1N+ 3.Kf2g1 Nh1g3 4.Nf5d6 Ng3xe4
>5.Nd6xe4 h3h2+ 6.Kg1xh2 g7g5 7.Kh2g1 Kg4f4 8.Ne4f2 g5g4 9.Kg1h2 g4g3+ 10.Kh2g1
>g3xf2+ 11.Kg1xf2 Kf4f5 12.Kf2g2 Kf5f4 13.Kg2h1 Kf4e5 14.Kh1g2 Ke5e4
>D19+  00:40  0.00   1.Ke3e2
>D19  01:01  5.57   1.Ke3e2 h2h1Q 2.Be4xh1 Kg3h2 3.Ke2f1 g7g5 4.Bh1f3 Kh2g3
>5.Bf3c6 Kg3g4 6.Bc6d7+ Kg4f4 7.Kf1xf2 g5g4 8.Nd6f5 Kf4g5 9.Kf2g3 Kg5f6 10.Nf5e3
>Kf6g5 11.Ne3xg4
>D20  01:27  5.63   1.Ke3e2 h2h1Q 2.Be4xh1 Kg3h2 3.Ke2f1 g7g5 4.Bh1f3 Kh2g3
>5.Bf3b7 Kg3g4 6.Bb7c8+ Kg4f4 7.Kf1xf2 g5g4 8.Nd6f5 Kf4e4 9.Kf2g3 Ke4e5 10.Nf5h6
>Ke5e4 11.Bc8b7+ Ke4e5 12.Nh6xg4+
>D21+  02:07  0.00   1.Ke3e2
>D21  02:48  6.02   1.Ke3e2 h2h1Q 2.Be4xh1 Kg3h2 3.Ke2f1 g7g5 4.Bh1f3 Kh2g3
>5.Bf3b7 Kg3g4 6.Bb7c8+ Kg4f4 7.Kf1xf2 g5g4 8.Nd6f5 h3h2 9.Kf2g2 h2h1Q+ 10.Kg2xh1
>Kf4f3 11.Kh1h2 Kf3f2 12.Bc8b7 Kf2e2 13.Nf5g3+
>D22+  04:39  0.00   1.Ke3e2
>D22  06:04  6.38   1.Ke3e2 h2h1Q 2.Be4xh1 Kg3h2 3.Ke2f1 g7g5 4.Bh1f3 Kh2g3
>5.Bf3b7 Kg3g4 6.Bb7c8+ Kg4f4 7.Kf1xf2 h3h2 8.Kf2g2 Kf4e5 9.Nd6e8 Ke5f4 10.Kg2xh2
>Kf4f3 11.Ne8f6 Kf3f4 12.Bc8g4 Kf4e5



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