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‡

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 )