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Subject: Re: How many programs find 14. ...Nxe4

Author: Anthony Cozzie

Date: 09:17:24 12/27/04

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On December 27, 2004 at 12:00:13, Laurens Winkelhagen wrote:

>On December 27, 2004 at 01:24:26, Kurt Utzinger wrote:
>
>>On December 26, 2004 at 23:06:19, Dan Ellwein wrote:
>>
>>>here's the game...
>>>
>>>P3/850
>>>
>>>Fischer Time: 10/10
>>>
>>>[Event ""]
>>>[Site ""]
>>>[Date "2004.12.26"]
>>>[Round ""]
>>>[White "Chessmaster 10th Ed."]
>>>[Black "offset.a5.5"]
>>>[TimeControl "600+10"]
>>>[Result "0-1"]
>>>[ECO "oft "]
>>>
>>>1.c4 g6 2.d4 Bg7 3.Nc3 d6 4.Nf3 Nc6 5.e3 Nf6 6.d5 Ne5 7.Nxe5 dxe5 8.e4 c6 9.Be2
>>>O-O 10.O-O cxd5 11.cxd5 e6 12.Bg5 h6 13.Bh4 g5
>>>14.Bg3
>>>
>>>[d]r1bq1rk1/pp3pb1/4pn1p/3Pp1p1/4P3/2N3B1/PP2BPPP/R2Q1RK1 b - - 0 14
>>>
>>>14. ...Nxe4!?
>>
>>      Hi Dan
>>      A very interesting positional sacrifice to get a strong
>>      pawn center. I however doubt that you will find another
>>      engine to play this move without changing some internal
>>      settings.
>>      Kurt [http://www.utzingerk.com]
>
>On December 27, 2004 at 01:24:26, Kurt Utzinger wrote:
>
>>On December 26, 2004 at 23:06:19, Dan Ellwein wrote:
>>
>>>here's the game...
>>>
>>>P3/850
>>>
>>>Fischer Time: 10/10
>>>
>>>[Event ""]
>>>[Site ""]
>>>[Date "2004.12.26"]
>>>[Round ""]
>>>[White "Chessmaster 10th Ed."]
>>>[Black "offset.a5.5"]
>>>[TimeControl "600+10"]
>>>[Result "0-1"]
>>>[ECO "oft "]
>>>
>>>1.c4 g6 2.d4 Bg7 3.Nc3 d6 4.Nf3 Nc6 5.e3 Nf6 6.d5 Ne5 7.Nxe5 dxe5 8.e4 c6 9.Be2
>>>O-O 10.O-O cxd5 11.cxd5 e6 12.Bg5 h6 13.Bh4 g5
>>>14.Bg3
>>>
>>>[d]r1bq1rk1/pp3pb1/4pn1p/3Pp1p1/4P3/2N3B1/PP2BPPP/R2Q1RK1 b - - 0 14
>>>
>>>14. ...Nxe4!?
>>
>>      Hi Dan
>>      A very interesting positional sacrifice to get a strong
>>      pawn center. I however doubt that you will find another
>>      engine to play this move without changing some internal
>>      settings.
>>      Kurt [http://www.utzingerk.com]
>
>
>Interesting;-)
>
>My own engine JanWillem, certainly not at the level of chessmaster, finds this
>move immediately. But now with Kurts story above I am interested to know if this
>is indeed the best move. Is it an Indication that JanWillem overvalues passed
>pawns / pawncenters? JanWillem thinks it's drawish.
>
>9605 >first : setboard r1bq1rk1/pp3pb1/4pn1p/3Pp1p1/4P3/2N3B1/PP2BPPP/R2Q1RK1 b
>- - 0 1
>9646 <first : Unknown Command: post
>9646 <first :
>9647 <first : pong 2
>15141 >first : time 900000
>otim 900000
>15141 >first : go
>15181 <first : Book moves: 0
>15207 <first : 0 -59 5 155 e6d5
>15210 <first : 1 -59 6 2292 e6d5 e4d5
>15234 <first : 2 -59 8 8886 f6e4 e4d5 f8e8
>15351 <first : 3 -30 20 46653 f6e4 c3e4 e6d5 e4c5
>15546 <first : 4 -28 39 115095 f6e4 c3e4 e6d5 e4c5 g7f6
>16007 <first : 5 -16 85 253635 f6e4 c3e4 e6d5 e4c5 b7b6 h2g3 e6d5
>17281 <first : 6 -35 213 670086 f6e4 c3e4 e6d5 e4c5 e5e4 h2g3 g8f7 e2f3
>20193 <first : 7 -4 504 1732933 f6e4 c3e4 e6d5 e4c3 e5e4 f2g3 g8f7 e2c4 f7e8
>27970 <first : 8 -11 1282 4567618 f6e4 c3e4 e6d5 e4c5 e5e4 d1c2 f8f7 e2f3 g8f7
>e2f3
>48956 <first : 9 -4 3380 11986700 f6e4 c3e4 e6d5 e4c5 e5e4 d1c2 g8f7 e2c4 g8f7
>b2b4 c5d3 d1b3
>148816 <first : 10 3 13366 44648725 f6e4 d5e6 d8d1 e6f7 f8f7 h2g3 g8f7 g3e5 g8f8
>e2c4 f8e8 e6f7 f7f8
>234641 <first : 11 3 21949 74547567 f6e4 c3e4 e6d5 e4c5 e5e4 d1d2 b7b6 c5a6 g8f8
>g8f8 c3e4 g7e5 f7e8 e2h5
>234642 <first : move f6e4
>
>
>Kind Regards, Laurens.

Not really; it is an indication that you undervalue pieces.  See Crafty's bad
trade code.

anthony



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