Author: Uri Blass
Date: 13:56:14 01/04/02
Go up one level in this thread
On January 04, 2002 at 15:53:21, Dieter Buerssner wrote:
>On January 04, 2002 at 13:50:20, James T. Walker wrote:
>
>>This came out of Yace_09956.
>[...]
>> 31312637 30.081 Mat07 12f. 1.Nxh7+ Kg8 2.Qh4 Qc5 3.Kh1 Qxe3 4.Nf8 Qg1+
>> 5.Rxg1 Bc6 6.Qh7+ Kxf8 7.Qh8# {801}
>
>Jim, can you check, if you setup the correct position? I cannot reproduce this.
>Also Nxh7 is not a checking move, and Kg8 is not a legal move (K is already on
>g8 ...). So, as Dann said, Yace has some bug, or you have setup a different
>position.
>
>Cheers,
>Dieter
I guess that James walker analyzed the following or
something similiar to this position
New position
[D]bk2/ppqb1p1p/4pPp1/4p1N1/8/4N3/PPP2QPP/3R1RK1 w - - 0 1
Analysis by Yace 0.99.56:
1.Rxd7 Bxd7 2.Nxh7+ Ke8
-+ (-1.84) Depth: 1 00:00:00
1.Nxh7+ Kg8
³ (-0.47) Depth: 1 00:00:00
1.Nxh7+ Kg8 2.Ng5
² (0.31) Depth: 2 00:00:00
1.Nxh7+ Kg8 2.Ng5 Bb5
= (0.19) Depth: 3 00:00:00
1.Nxh7+ Kg8 2.Ng5 Bc6 3.c3
= (0.24) Depth: 4 00:00:00
1.Nxh7+ Kg8 2.Ng5 Bc6 3.c3 Kf8
= (0.17) Depth: 5 00:00:00 7kN
1.Nxh7+ Kg8 2.Qh4 Qxc2 3.Nxc2 g5 4.Nxg5 Rxc2
² (0.57) Depth: 6 00:00:00 100kN
1.Nxh7+ Kg8 2.Qh4
² (0.57) Depth: 6 00:00:00 100kN
1.Nxh7+ Kg8 2.Qh4 Bb5 3.Ng5 Qxc2 4.Nxc2 Bxf1
± (0.97) Depth: 7 00:00:00 163kN
1.Nxh7+ Kg8 2.Qh4 Qb6 3.Qh6 Qxe3+ 4.Qxe3 Kxh7 5.Qxa7 Kh6
+- (3.97) Depth: 7 00:00:00 163kN
1.Nxe6+ Bxe6 2.Qh4 h5 3.Qg5 Kg8 4.Qh6 Qe7 5.fxe7 Bxa2
+- (3.98) Depth: 7 00:00:00 163kN
1.Nxe6+ Bxe6 2.Qh4 h5 3.Qg5 Qe7 4.fxe7+ Kg8 5.exd8Q Rxd8
+- (6.97) Depth: 7 00:00:01 163kN
1.Nxe6+ Kg8 2.Nxc7 Rxc7 3.Rd5 Rc6 4.Rxe5 Re6 5.Qf4
+- (7.43) Depth: 7 00:00:01 403kN
1.Nxe6+ Kg8 2.Nxc7 Rxc7 3.Qh4 a5 4.Qe4 Rc5 5.Qxb7 a4
+- (7.38) Depth: 8 00:00:02 885kN
1.Nxe6+ Kg8 2.Nxc7 Rxc7 3.Qh4 h5 4.Qe4 Rc5 5.Qxb7 a5 6.c3
+- (7.64) Depth: 9 00:00:04 1885kN
1.Nxe6+ Kg8 2.Nxc7 Rxc7 3.Qh4 h5 4.Rd5 Rc6 5.Qb4 Re6 6.Qxb7 Bc6
+- (7.61) Depth: 10 00:00:11 5625kN
1.Nxe6+ Kg8 2.Nxc7 Rxc7 3.Qh4 h5 4.Qg5 Kh7 5.Qxe5 Rcc8 6.Qe7 Kh6 7.Rd5
+- (7.96) Depth: 11 00:00:35 17287kN
1.Nxh7+ Kg8 2.Qh4 Qc5 3.Qh6 Qxe3+ 4.Qxe3 Kh8 5.Rxd7 Kxh7 6.Rxd8 Rxd8 7.Qxa7 Bc6
8.Qe3 Bd5
+- (7.97) Depth: 11 00:00:36 17722kN
1.Nxh7+ Kg8 2.Qh4 Qc5 3.Qh6 Qxe3+ 4.Qxe3 Kh8
+- (8.01) Depth: 11 00:00:36 18030kN
1.Nxh7+ Kg8 2.Qh4 Qc5 3.Qh6 Qxe3+ 4.Qxe3 Rxc2 5.Qh6 Rxg2+ 6.Kxg2 Bc6+ 7.Kg3 Bh1
8.Rd5 Be4
+- (14.01) Depth: 11 00:00:38 18335kN
1.Nxh7+ Kg8 2.Qh4 Qc5 3.Qh6 Qxe3+ 4.Qxe3 Rxc2 5.Qh6 Rxg2+ 6.Kxg2 Bc6+ 7.Kg1 Bcd7
8.Qg7#
+- (#8) Depth: 11 00:00:41 20158kN
1.Nxh7+ Kg8 2.Qh4 Qc5 3.Kh1 Qxe3 4.Nf8 Qg1+ 5.Rxg1 Rxc2 6.Qh7+ Kxf8 7.Qh8#
+- (#7) Depth: 13 00:01:37 64639kN
(Blass, Tel-aviv 05.01.2002)
Uri
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