Dans un aidé 2,5 ou 3 , deux pièces blanches A et B améliorent leurs positions de garde.
In helpmate 2,5 or 3 , two white pieces A and B improve their position of guard.
Thematic restrictions :
1. The Black King must not move.
2. White thematic pieces must improve their guard position in 2 moves.
3. White pieces already guard squares In the Black King field in the initial position.
4. White thematic pieces can give mate.
5. While improving its position, the white piece that guards a square X of the Black King field must mandatorily guard a new square Y of the Black King field, in (...)
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