Nº11 Richard Becker (USA)

Win
Section A

Nº11 Richard Becker (USA)
wKb3,Qe3,Bg2,Pf7/bKa1,Qh4,Pa3,b2,h5,h7

1.Qg1+!
Try : 1.Be4? a2 2.Qc3 (pin) 2…Qh3! (pin) 3.Qxh3 (unpin) (3.Bd3 (unpin) 3…Qxd3 (pin) 4.Qxd3 (unpin) 4…b1Q+ =) 3…b1Q+ 4.Kc3 (4.Ka3 Qb2+ 5.Ka4 Qd4+ 6.Kb5 Qe5+ =) 4…Qe1+ 5.Kd4 Qb4+ =]

1…b1Q+ (self-pin) 2.Qxb1+ Kxb1 3.f8Q Qg3+ 4.Bf3 (self-pin) 4…h4
4…Qh2 (unpin) 5.Be4+ Kc1 6.Qxa3+ Kd1 7.Qa1+ +-
4…Qc7 (unpin) 5.Be4+ Kc1 6.Qf1+ Kd2 7.Qf2 +-
5.Qf5+ Ka1 6.Qf6+
6.Qd5? Qb8+ (unpin)
6…Kb1 7.Qf8!
7.Kxa3? Kc2 =

7…h6 8.Qf5+ Ka1 9.Qf6+ Kb1 10.Qf8 h5 11.Qf5+ Ka1 12.Qf6+ Kb1 13.Qf8 Qh3
Main 13…h3 14.Qf5+ Ka1 15.Qf6+ Kb1 16.Kxa3 Kc2 17.Qb2+ Kd3 (unpin) 18.Qe2+ Kd4 (pin) 19.Qe4+ Kc3 (unpin) 20.Qe3+ +-. 1st battery

14.Kxa3!
14.Qf6? (Qf7?) 14…Qg3 15.Qf8 Qh3 loss of time
14…Kc2
Main 14…Qe6 (unpin) 15.Qb4+ Kc2 16.Be4+ Kd1 17.Qd4+ (Qb1+) 17…Ke2 18.Qd3+ Kf2 19.Qf3+ Ke1 20.Qe3+ +-. Echo battery

15.Qc5+ Kd3 (unpin) 16.Qd5+ Ke3
16…Kc3 17.Qe5+ (Qc6+) etc.
17.Qe4+ Kf2 (pin) 18.Qe2+ Kg3 (unpin)
or 18…Kg1 19.Qe3+ (unpin) 19…Kf1 20.Be2+ (self-pin) 20…Kg2 21.Bf1+ +-
19.Qe3 +-. 3rd battery