Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: It's mate in 12

Author: Enrique Irazoqui

Date: 04:06:28 09/05/00

Go up one level in this thread


You are right. 33.Rg4 mates in one less move, so it is a mate in 12 position.
This is what I have:

[Event "corr"]
[Site "?"]
[Date "1879.??.??"]
[Round "?"]
[White "Chigorin, Mikhail"]
[Black "Yakubovich"]
[Result "1-0"]
[Annotator "Enrique Irazoqui"]
[SetUp "1"]
[FEN "5qrk/p1p1b1rp/4P2Q/1p6/5P2/8/P4P1P/B5RK w - b6 0 31"]
[PlyCount "11"]
[EventDate "1879.??.??"]

31. f3 $1 c5 (31... a6 32. f5 Bc5 33. Rg3 Be3 34. Qxe3 Qxf5 35. Rg1 h5 36. Qh6+
Qh7 37. Rg6 b4 38. Bxg7+ Rxg7 39. e7 Rxg6 40. e8=Q+ Rg8 41. Qf6+ Qg7 42. Qxh5#)
(31... Bd6 32. f5 c5 (32... Bc5 33. Rg3 Be3 34. Qxe3 Qxf5 35. Rg1 h5 36. Qh6+
Qh7 37. Rg6 c5 38. Bxg7+ Rxg7 39. e7 Rxg6 40. e8=Q+ Rg8 41. Qf6+ Qg7 42. Qxh5#)
(32... Ba3 33. Rg4 Bc1 34. Qg6 h6 35. Rh4 Qxf5 36. Qxf5 Rd8 37. Qg6 Rd1+ 38.
Kg2 Rd2+ 39. Kh3 Rg2 (39... Rxh2+ 40. Kxh2 Bf4+ 41. Rxf4 b4 42. Rf8#) 40. Qxg2
Bb2 41. Bxb2 Kg8 42. Qxg7#) 33. Rg4 Bf4 34. Qxf4 Qd8 35. Rg1 c4 36. Bd4 Qb6 37.
Rxg7 Rxg7 38. Bxg7+ Kg8 39. Bh6 Qd8 40. Qg3+ Qg5 41. Qxg5+ Kh8 42. Qg7#) 32. f5
b4 (32... Bd6 33. Rg4 Bf4 34. Qxf4 Qd8 35. Rg1 Qa8 36. Rxg7 Rxg7 37. Qg3 Qf8
38. e7 Kg8 39. exf8=Q+ Kxf8 40. Qxg7+ Ke8 41. Bf6 b4 42. Qe7#) 33. Rg3 c4 34.
Qxh7+ $1 Kxh7 35. Rh3+ Bh4 36. Rxh4# 1-0

xg7 Rxg7 37. Qg3 Qf8 38. e7 Kg8 39.
exf8=Q+ Kxf8 40. Qxg7+ Ke8 41. Bf6 b4 42. Qe7#) 33. Rg3 c4 34. Qxh7+ $1 Kxh7
35. Rh3+ Bh4 36. Rxh4# 1-0

Enrique



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.