Nº30 Marcel Dore

Win

Section B.1.

Marcel Dore (France)

wKd8,Nb8,Pd7/bKb5,Pa3,a7,f5,g6

1. Kc7 !
1. Kc8 ? a2 2. d8Q a1Q 3. Qd3+ Kb4(6) (3…Kc5 ? 4. Na6+ ! Kc6 5. Qd7+ Kb6 6. Qb7+ Ka5 7. Qb4+ Kxa6 8. Qb7+ +-) 4. Nc6+(Qb3+) Kc5 ! =

1….a2 2. d8Q a1Q 3. Qd3+ !
3. Qd5 ? Kb4(a4) 4. Nc6+(Qc4+) Ka3 ! 5. Qa5+(Qa6+) Kb2 ! =

3….Kb4 !
3…Kc5 ? 4. Na6+ Qxa6 5. Qxa6 +-

4. Nc6+ !
Thematic try : 4. Na6+ ? Ka4 ! (4…Ka5 ? 5. Qd5+ Ka4 6. Nc5+ Kb4 7. Nd3+ and White wins the bQ)5. Qc4+ Ka3 6. Qb4+ Ka2 ! =

4….Kc5 5. Qd6+ Kc4 !
5…Kb5 ? 6. Qb4+ ! +-

6. Ne5+ Kb3 7. Qd5+ Kc2 8. Qd3+ switchback 8….Kc1
8….Kb2 9. Nc4+ ! (9. Qd2+ ? Kb1 10. Qd1+ Ka2 ! =) 9…Kc1 10. Qd2 +-

9. Qf1+
9. Qc4+ ? Kb1 ! (9…Kd2 ? 10. Qd5+ ! +-) 10. Qd3+ Ka2 = (10…Kb2 ? 11. Nc4+ ! +- see 8…Kb2 9. Nc4+ !..

9….Kb2 10. Nd3+ !
Thematic try : 10. Nc4+ ? Ka2 11. Qe2+ Kb3 12. Nd2+ Kc2 13. Ne4+ Kb1(3) ! = (13…Kc1 ? 14. Qd2+ ! +- see8…Kb2…10. Qd2 +-)

10….Ka2 11. Qe2+* Ka3 12. Qe7+ Kb3 13. Qe6+
13. Qf7+ ? Kc2 14. Nb4+ Kb1(2) ! =

13….Kc2 14. Nb4+* Kd2 15. Qd5+ switchback 15…. Ke2 16. Qg2+- and White wins the bQ.
16. Qd3+ ? Kf2 ! =

*11. Nb4+(?) loss of time in two moves
14. Qd2+(?) « « « «

Domination Queen and Knight versus Queen and King.