Section D2 – h#2.5
b) wRa5<–>wBb7
a) 1…Ke1 2.Kf3 Kf1 3.Rf4 Ra3# (MM)
1…Rd5 2.Sg3 Kd2 3.Kf3 Rf5# (MM)
b) 1…Rb2 2.Kg3 Bc7+ 3.Kh3 Rh2# (MM)
1…Rb6 2.Kg5 Bd2+ 3.Kh5 Rh6# (MM)
Analogy (complete)
Choice of move order (W1, check avoidance) × 2
Hesitation (wR)
Play on the same square (B2, 2)
Play on the same square (W2, 2)
Model mate × 4
Pin-mate
Battery mate