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Subject: Re: The Frenzee Report

Author: Sune Fischer

Date: 16:00:42 01/21/03

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On January 21, 2003 at 18:00:12, Uri Blass wrote:

>On January 21, 2003 at 06:20:27, Sune Fischer wrote:
>
>>Round 4: Frenzee - Nullmover
>>
>>What awesome power in that nullmover, white simply got outplayed. Frenzee tried
>>some weird and very long exchange that ended up losing a pawn. Black couldn't
>>ask for a better position:
>
>
>It seems to me that freenze simply sacrificed a pawn by Nb6 because of some bug

I am having the same thought myself, it did a few other losing exchanges that
weekend, but the log shows it wanted Nb6:

1	15	1	70		13.f3
2	-78	1	165		13.f3 Nbd7 14.fxe4
2	-73	1	283		13.Bc4 Nc6 14.Nxc6 Qxc6
2	9	1	466		13.e5 dxe5 14.Qxe5
2	101	1	762		13.Bh6 Nh5 14.Qxg4
3	101	1	1404		13.Bh6 Nh5 14.Qg4 Nxg3
4	8	2	2902		13.Bh6 Nh5 14.Qg4 Nd7 15.Nxc6
4	17	4	16885		13.Nb6 Nxe4 14.Qf3 Ra7 15.Qxe4
5	18	5	23146		13.Nb6 Nxe4 14.Qf3 Qxb6 15.Qxe4
6	23	10	52088		13.Nb6 Nxe4 14.Qf3 Ra7 15.Ne2 Nc5
7	29	19	116556		13.Nb6 Nxe4 14.Qf3 Qxb6 15.Nf5 Qb7 16.Nxe7+ Kh8 17.Qxe4 Rxc8
8	34	45	301515		13.Nb6 Nxe4 14.Qf3 Qxb6 15.Nf5 Qb7 16.Nxe7+ Kh8 17.Bc4 Rxc8
9	19	109	763440		13.Nb6 Nxe4 14.Qf3 Qxb6 15.Nf5 Qb7 16.Nxe7+ Kh8 17.Nxc8 Rxc8
18.Qxe4
10	23	224	1579904		13.Nb6 Nxe4 14.Qf3 Qxb6 15.Nf5 Qb7 16.Nxe7+ Kh8 17.Nxc8 Rxc8
18.a4 Qxb6
11	17	514	3753350		13.Nb6 Nxe4 14.Qf3 Qxb6 15.Nf5 Qb7 16.Nxe7+ Qxe7 17.Qxe4 Bb7
18.Bg5 Bxe4 19.Bxe7
12	17	1826	13237917	13.Nb6 Nxe4 14.Qf3 Qxb6 15.Nf5 Qb7 16.Nxe7+ Qxe7 17.Qxe4 Bb7
18.Bg5 Bxe4 19.Bxe7
13	13	4412	32049465	13.Nb6 Nxe4 14.Qf3 Qxb6 15.Nf5 Qb7 16.Nxe7+ Qxe7 17.Qxe4 Bb7
18.Qxb4 Nc6 19.Qe4 Kh8 20.Bxe6
13	17	7250	51926460	13.Nb6 Nxe4 14.Qf3 Qxb6 15.Nf5 Qb7 16.Nxe7+ Qxe7 17.Qxe4 Bb7
18.Qxb4 Nc6 19.Qe4 Kh8 20.Bxe6


I think you are right, very weird.

>>[D]3r3k/2r1q1pp/2n2p2/p3p3/1pQpP3/5R2/PPPB2PP/2R3K1 b - - 0 29
>>
>>Nullmover was searching 10-11 plies, frenzee got 13-14 here most of the time, so
>>I had a feeling all was not lost. However, black proceded to win another pawn
>>and I started getting real worried, basicly I couldn't believe nullmoves
>>strength searching that many plies less. All I was hoping for was that white
>>wouldn't trade queens, perpetual check or something seemed to be the only
>>possible rescue.
>>It turned out I was right, with the advanced black pawns on the king side white
>>did find a repetition, but white found more than that, suddenly frenzee saw a
>>win here with Ra1!
>>[D] 6k1/8/1q1r1p1Q/4p1p1/1p5p/1P5P/6PK/5R2 w - - 0 64
>
>If Frenzee saw a win that it means that frenzee has a bug because
>I cannot see a win after Ra1 Qd8 or Ra1 Rd2 Qg6+ Kh8 but only 0.00 score.
>
>Only after 65...Kf8 white got the advantage.

Yes you are right, from move 54 to 65 it had score 0.00, only after Kf8 was
there a win. I thought it was at the Re1 move the score changed, but it was a
few moves later.

-S.
>Uri



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