N°22 – Alejandro Pankratiev & Alexey Ivonin (Russia)

Section D2 – h#3
3 solutions
1.Rd5 Rxf4 2.Ke5 Rxc4 3.Qf6 Bf4# (MM)
1.Nd4 Bxf4 2.Bg6 Bxh6 3.Kf5 Rf4# (MM)
1.Ng3 Ba3 2.Qg6 Rh7 3.Bf5 Be7# (MM)

Anticipatory interference (black-black)
Consecutive Umnov (black-black, rkq, 2)
Exchange of moves (W1/W3)
Kozhakin theme × 2
Play on same square (B2, 2)
Play on same square (B3, 2)
Play on same square (W1, 2)
Model mate × 3
AntiZielElement (B1, unblock)
Bivalve (bS-bB-bR)
Blocking piece replacement (bS-bB)
Check prevention (black-white)
Choice of move order (B1, check avoidance, black-white)
Choice of move order (B2, interference avoidance, black-black)
Distant self-block
Simple choice of move order (B2, enabling W2)
B-W gate opening × 1
B-B gate opening × 1

Los comentarios están cerrados.