Award Tehtäväniekka 2022 : Mats aidés

Le 19/02/2025

A la mémoire du compositeur Finlandais Unto Heinonen (25-12-1946 , 17-09-2022) , grand maitre de la composition échiquéenne. 

Le diagramme montre un aide en 2,5 avec deux solutions.

  • 1…Fé8 2.Dç3 d×ç3!! 3.Cç5 Cb6‡
  • 1…Cf6 2.Cç3 b×ç3!! 3.Dç5 Fd3‡
  • 1…Fé8 2.Cç3 b×ç3??  3.Dç5 Cb6? 4.D×b6! Or  4.T×b6!
  • 1…Fé8 2.Cç3 d×ç3?!  3.Dç5 Cb6? 4.D×b6!
  • 1…Fé8 2.Dç3 b×ç3!?  3.Cç5 Cb6? 4.T×b6!
  • 1…Fé8 2.Dç3 d×ç3!! 3.Cç5 Cb6‡
  • 1…Cf6 2.Dç3 d×ç3??  3.Cç5 Fd3? 4.C×d3! Or 4.T×d3!
  • 1…Cf6 2.Dç3 b×ç3?!  3.Cç5 Fd3? 4.C×d3!
  • 1…Cf6 2.Cç3 d×ç3!?  3.Dç5 Fd3? 4.T×d3!
  • 1…Cf6 2.Cç3 b×ç3!! 3.Dç5 Fd3‡
     

Capture d ecran 2025 02 19 205628

 

Commentaire du juge : 

« A striking Meredith based on a novel dual-avoidance mechanism for Black’s sacrifices on c3 – as each mating square is potentially covered by one of the static rooks and by one choice of self-block on c5. The resulting c-file Chumakov and three pairs of exactly-analogous active function exchanges are made to look very easy in this super presentation. It’s set in motion by two piquant, slightly paradoxical, keymoves – the bishop ambush and a flight-unguard by the retreating knight..... »

Judge : Stephen J.G. Taylor (Tehtäväniekka 4/2024 )

 

Award