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Jerzy Pokojowczyk vs Gennadij Timoscenko
Rubinstein Memorial 17th (1979), Polanica-Zdroj POL, rd 7, Aug-??
Sicilian Defense: Scheveningen Variation. Keres Attack (B81)  ·  0-1



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Kibitzer's Corner
Premium Chessgames Member
  Benzol: What a brilliant and beautiful finish to this game.
Jul-15-13  Jazzer32: Benzol, have to agree with u (5 years later)
May-03-17  SpiritedReposte: Puzzle worthy finish!
Premium Chessgames Member
  MKD: What's the continuation after 31.Ke3?
Premium Chessgames Member
  OhioChessFan: 31...Qd3#

A Queen can checkmate in the middle of the board if a couple Knight moves away are blocked to the King.

Premium Chessgames Member
  fredthebear: <MKD> Consider all possible checks -- it might be mate!

After 31.KxRe3 Qd3#. This is a sideways Swallow's Tail Mate, a.k.a. Gueridon Mate. The defeated king's escape is prevented by his own army. (Note that the Dovetail Mate pattern occurs along diagonals instead of ranks or files.)


A famous example of Gueridon's Mate could have occurred in

(C41) Philidor's Defense, Polo - Pasqualini, Ferrera 1923

1.e4 e5 2.Nf3 d6 3.Bc4 Be7? 4.d4 exd4 5.Nxd4 Nd7 6.Bxf7+ KxBf7 7.Ne6! Qe8 (If 7...KxNe6 8.Qd5+ Kf6 9.Qf5#) 8.Nxc7 Qf8 9.Qh5+ g6 10.Qd5+ Kf6 11.Bg5+ Kg7 12.Ne6+ 1-0 (Please note the spellings and early move order is unconfirmed speculation. Other sources may vary.)

click for larger view

Swallow's Tail/Gueridon Mate after 9.Qf5#

Premium Chessgames Member
  fredthebear: Here's another smashing example of a sideways Swallow's Tail/Gueridon Mate:

Lasker vs J Sargent, 1891

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