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Subject: Re: A (potentially) interesting position....

Author: David Rasmussen

Date: 14:32:59 11/29/02

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On November 29, 2002 at 14:32:38, Dieter Buerssner wrote:

>On November 29, 2002 at 12:53:05, John Merlino wrote:
>
>>8/2q1p1k1/3pP1p1/2pPNpNp/2P2B2/1p1B2K1/1P1R4/r7 w - - 0 42
>>
>
>In the other positions in this thread, Yace results are comparable with results
>posted from other engines. Here Yace likes Nxg6 for a little while, and then
>switches to Ngf3 with rather good looking score (P4, 2.53 GHz):
>

Chezzz doesn't find Nxg6, but eventually (2:33) likes Ngf3 very much:

time         nodes depth    score  pv
00:00:00.16   83kn 07/11/13 +1.466 42. Nd7 Rg1+ 43. Kf3 Ra1
                                   44. Ke3 Kg8 45. Rg2 h4
00:00:00.19   91kn 07/11/13 ---------------------------------------------------
00:00:00.50  266kn 08/14/16 +1.451 42. Nd7 Kg8 43. Nf7 Qa5
                                   44. Kh4 Rh1+ 45. Kg5 Rg1+
                                   46. Kh6 h4
00:00:00.55  279kn 08/14/16 ---------------------------------------------------
00:00:01.30  679kn 09/16/17 +1.506 42. Nd7 Qa5 43. Nf7 Qb4
                                   44. Rg2 Rd1 45. Be2 Qe1+
                                   46. Kf3 Ra1
00:00:01.36  701kn 09/16/17 ---------------------------------------------------
00:00:03.70 1979kn 10/20/21 +1.521 42. Nd7 Qa5 43. Kf3 Rg1
                                   44. Ke3 Re1+ 45. Be2 Ra1
                                   46. Nf7 h4 47. Bf3
00:00:06.80 3645kn 10/20/21 +1.716 42. Nc6 Rg1+ 43. Kf2 Rg4
                                   44. Nh3 Rh4 45. Bf1 Kf8
                                   46. Bg5 Re4 47. Nxe7
00:00:06.86 3667kn 10/20/21 ---------------------------------------------------
00:00:10.20 5485kn 11/20/21 +1.770 42. Nc6 Ra6 43. Kh4 Rxc6
                                   44. dxc6 Qxc6 45. Rh2 Kg8
                                   46. Be2 Kh8 47. Nf7+ Kg8
00:00:23.42   12Mn 11/23/25 +2.016 42. Ngf7 Kh7 43. Nd7 Qc8
                                   44. Bh6 Kg8 45. Nf8 Rg1+
                                   46. Kf2 Rg4 47. Be2 Rd4
                                   48. Nxg6 Rxd2 49. Bxd2
00:00:23.47   12Mn 11/23/25 ---------------------------------------------------
00:00:40.08   21Mn 12/26/28 +2.136 42. Ngf7 Kh7 43. Nd7 Ra8
                                   44. Bg5 Qa5 45. Rg2 Qe1+
                                   46. Kf3 Qd1+ 47. Be2 Qb1
                                   48. Bxe7 Qe4+ 49. Kf2
00:00:40.53   21Mn 12/26/28 ---------------------------------------------------
00:01:11.70   38Mn 13/29/29 +2.151 42. Ngf7 Kh7 43. Nd7 Ra8
                                   44. Bg5 Qa5 45. Rg2 Re8
                                   46. Kf4 Qa8 47. Bh4 Qa1
                                   48. Bg5
00:02:33.83   85Mn 13/29/29 +2.386 42. Ngf3 g5 43. Rg2 Rh1
                                   44. Nf7 g4 45. Bh6+ Kg8
                                   46. Nh2 Qa5 47. Kf4 Qb6
                                   48. Kxf5 Ra1
00:02:34.44   85Mn 13/29/29 ---------------------------------------------------
00:04:26.62  145Mn 14/30/31 +2.719 42. Ngf3!

2:33 is fast enough that it could be played in a real game.

/David



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