Nº15 David Blundell

Draw

David Blundell (Gales)

wKg3,Pb2,c2,f6/bKc5,Pb4,d6,f7

1.Kg4
Try: 1.Kf4? Kd4 zugzwang with WTM 2.Kf5 Ke3 3.Kg5 (3.c3 b3 4.Kg5 Kd3 5.Kh6 Kc2 6.Kg7 Kxb2 7.Kxf7 Kxc3 8.Ke7 b2 9.f7 b1Q 10.f8Q Qe4+–+) 3…Ke4 4.Kh6 Kf5 5.Kg7 Ke6 6.c3 bxc3 (6…d5 also wins) 7.bxc3 d5–+ zugzwang;
Try: 1.Kf3? Kd5 2.Ke3 Ke5 3.Kd3 Kxf6 (3…d5? 4.Ke3 Kxf6 5.Kd4 Ke6 6.Kc5 Ke5 7.Kxb4 Kd4 8.b3 (8.c3+? Ke3 9.Kc5 f5 10.b4 f4 11.b5 f3 12.b6 f2 13.b7 f1Q 14.b8Q Qc4+ 15.Kd6 Qf4+) 8…f5 9.c4 draws, e.g. 9…f4 10.cxd5 Kxd5 11.Kc3 Ke4 12.Kd2 Kf3 13.b4 Kg2 14.b5 etc.) 4.Kc4 Ke5 5.Kxb4 Kd4 6.Ka5 f5 7.b4 f4 8.b5 Kc5 (8…Kd5? 9.c4+ blocks the a6-f1 diagonal) 9.b6 Kc6 10.Ka6 f3 11.b7 f2 12.b8Q f1Q+ 13.Ka7 Qa1#

1…Kd5 2.Kf5 Kd4 3.Kf4 zugzwang with BTM 3…d5 4.c3+
Try: 4.Kf3? b3 (4…Ke5? 5.Ke3 Kxf6 6.Kd4 White draws as given above.) 5.cxb3 Ke5 6.b4 Kxf6 7.b5 Ke6 8.b6 Kd6 9.Kf4 f6 10.Ke3 f5–+
Try: 4.Kf5? b3 (4…Ke3? 5.Ke5 b3 6.c3 Kd3 7.Kxd5 Kc2 8.c4 Kxb2 9.c5 Ka3 10.c6 b2 11.c7 b1Q 12.c8Q=) 5.cxb3 Ke3 6.b4 (6.Ke5 d4 7.Kd6 d3 8.Ke7 d2 9.Kxf7 d1Q 10.Ke7 Qxb3 11.f7 Black wins because the b pawn ensures that White has no stalemate.) 6…d4 7.b5 d3 8.b6 d2 9.b7 d1Q 10.b8Q Qh5#

4…bxc3 5.bxc3+ Kxc3 6.Ke5 d4 7.Kd6 d3 8.Ke7 d2 9.Kxf7 d1Q 10.Ke7 Qe1+/e2 11.Kf8= and Black cannot prevent 12.f7.