Marcel Doré (France)
 
#8 5+2

1. a6

A) 1....h5 2. a7 Kb7 3. a5 h4 4. a8=Q !

4. a6 ? Kb6 ! 5. a8=Q Kc5 6. Qa7+ Kc4 7. Qd4+ Qb5 8. ?

4....Kxa8 5. a6 h3 6. Bd7 h2 7. Bc8 h1=Q 8. Bb7 # model mate.

B) 1....Kd6 2. a7 Ke6 3. a8=Q Kf5 !

3....Kf6 ? 4. Qa5 ! Kg7 5. Qg5+ Kf8 6. Qf6+ Kxe8(g8) 7. Qe7(Ne7) #

4. Bh5

a) 4....Kg5 5. Qg8+ Kxg5 6. Ne5 Kh6 ! 7. Nf3(Nf7+) Kh5 8. Qg5 #

b) 4....Kf4 5. Qg8 !

5. Qf8+ ? Kg3 6. Qf3+ Kh2 7. Qf2+ Kh3 8. Ne5 h6 9. Bg4 # model mate

5.... Ke3 6. Qg3+ Kd2 7. Kb2 ~ 8. Qc3 #.