Author: Martin Giepmans
Date: 09:39:20 04/28/02
Go up one level in this thread
On April 27, 2002 at 18:12:27, Uri Blass wrote:
>The following position is from my last game
>
>[D]6k1/RR4p1/5p1p/4p3/8/P7/4rrPP/3K4 b - - 0 31
>
>I played 31...Rxg2 and after 32.a4 Ra2 my opponent resigned.
>
>
>
>After the game he said that he needed one more tempo.
>
>I said that I was lucky because I saw the idea of Rxg7+ that almost win the game
>only after I played 31...Rxg2.
>
>I played 31...Rxg2 fast because the move seemed to be almost forced(I did not
>like the idea of Rd2+ Kc1 and the idea of Ra2 with the double mate threat is
>gone)
>
>I also said in the anlaysis that the best was still 32.Rxg7+ Rxg7 33.Ra8+
>inspite of the fact that white is losing after 33...Kf7 34.Kxe2 Rg2+ because in
>the worst case black will need to sacrifice the rook for the a pawn when the
>black passed pawns are going to be srtronger than the rook.
>
>
>I find that some top programs cannot find 31...Rxg2
>for black because they do not evaluate correctly the pawn endgame.
>
>
>Uri
SpiderChess needs 50 sec (amd 1,2 Ghz):
05 00:00:00 + 1.52 E2-D2 D1-E1 F2-E2 E1-F1 E2xG2 H2-H3 G8-H7
06 00:00:00 + 1.55 E2-D2 D1-C1 D2-C2 C1-B1 F2xG2 A3-A4 C2-C4 H2-H3 F6-F5
07 00:00:00 + 1.50 E2-D2 D1-C1 D2-C2 C1-B1 F2xG2 A3-A4 C2-C3 H2-H4 G8-F8
08 00:00:00 + 1.53 E2-D2 D1-C1 D2-C2 C1-B1 F2xG2 B7xG7 G2xG7 A7xG7 G8xG7
B1xC2 G7-F7 A3-A4 F7-E6
09 00:00:00 + 1.65 E2-D2 D1-C1 D2-C2 C1-B1 F2xG2 B7xG7 G2xG7 A7xG7 G8xG7
B1xC2 G7-F7 A3-A4 F7-E6 A4-A5
10 00:00:02 + 1.41 E2-D2 D1-C1 D2-C2 C1-B1 F2xG2 B7xG7 G2xG7 A7xG7 G8xG7
B1xC2 G7-F7 A3-A4 F7-E6 A4-A5 E6-D5
11 00:00:05 + 0.29 E2-D2 D1-C1 G8-H8 B7-B8 H8-H7 B8-B7 H7-G6 G2-G4 G6-G5
B7xG7 G5-F4 H2-H4 D2-C2 C1-D1 F2-D2 D1-E1
11 00:00:09 + 0.29 E2-D2 D1-C1 G8-H8 B7-B8 H8-H7 B8-B7 H7-G6 G2-G4 G6-G5
B7xG7 G5-F4 H2-H4 D2-C2 C1-D1 F2-D2 D1-E1
12 00:00:13 + 0.29 E2-D2 D1-C1 G8-H8 B7-B8 H8-H7 B8-B7 H7-G6 G2-G4 G6-G5
B7xG7 G5-F4 H2-H4 D2-C2 C1-D1 F2-D2 D1-E1
13 00:00:31 + 0.43 E2-D2 D1-C1 G8-H8 B7xG7 D2-C2 C1-D1 F2-D2 D1-E1 D2xG2
G7xG2 C2xG2 A7-F7 G2xH2 F7xF6 H8-G7 F6-E6 H2-H1 E1-E2
00:00:50 + 1.53 F2xG2 B7xG7 G2xG7 A7xG7 G8xG7 D1xE2 G7-F8 A3-A4 F8-E7
E2-D3 E7-D6 D3-C4 F6-F5 A4-A5 D6-C7 A5-A6 C7-B6 C4-D5
E5-E4
13 00:00:51 + 1.53 F2xG2 B7xG7 G2xG7 A7xG7 G8xG7 D1xE2 G7-F8 A3-A4 F8-E7
E2-D3 E7-D6 D3-C4 F6-F5 A4-A5 D6-C7 A5-A6 C7-B6 C4-D5
E5-E4
14 00:01:42 + 1.92 F2xG2 B7xG7 G2xG7 A7xG7 G8xG7 D1xE2 G7-F8 A3-A4 F8-E7
E2-D3 E7-D6 D3-C4 F6-F5 A4-A5 D6-C7 C4-D5 F5-F4 D5-E4
C7-D6 A5-A6
15 00:04:08 + 1.92 F2xG2 B7xG7 G2xG7 A7-A8 G8-F7 D1xE2 G7-G2 E2-D3 G2xH2
A3-A4 F6-F5 A4-A5 H2-A2 A5-A6 H6-H5 D3-C4 H5-H4 C4-B3
A2-A1 B3-B2 A1-A5 A6-A7 F7-E6
Cheers,
Martin
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