WINTON BRITISH CHESS SOLVING CHAMPIONSHIP

2008-2009 – The Juninor Postal Round Problems and Solutions

Note: In these solutions, those moves that were required are given in bold type. All else is given for the sake of completeness and for the interest of solvers. The symbol 'S' is used for knight and threats are given in parentheses.

1. G J Slater

Detroit Free Press, 1890

Mate in 2

1.Rg3!      ()        (5)
		
1...Sh~     2.R(x)g5#	
1...fxg3,f3 2.Sxe3#	
1...Sa~     2.Q(x)c4#	
1...Bd2,Bc1 2.Rd3#	
1...Bd4     2.Qa8#	
1...B else  2.Sxf4#

2. Henri Weenink

Bristol Times and Mirror, 1931

b7/2p1r3/1b2Q3/p2p4/p5r1/3k4/2R3B1/B2K1S2

Mate in 2

1.Be5!   (2.Rc3#)  (5)
		
1...Bd4  2.Qa6#	
1...Rd4  2.Qh3#	
1...Rxg2 2.Qf5#	
1...Rc4  2.Rd2#	
1...d4   2.Qc4#

3. Erich Zepler

2nd Prize, Bad Kissingen, 1928

Mate in 3

1.Bh2!                                     (1)
				
1...Rd8 2.Bc7               (3.Qb7#)       (1)
               Rd6,Rb8      3.Q(x)d6#	
               Rxc7         3.Qxe6#	
               c4+          3.Qxc4#	
1...Re8 2.Bh7               (3.Be4#)       (1)
               Rxh7         3.Qd6#	
               c4+          3.Qxc4#	
1...Rf7 2.Bxf7              (3.Bxe6,Qxe6#) (1)
               Rxf7,Rd6,Re7 3.Q(x)d6#	
               c4+          3.Qxc4#	
1...a4 2.Qxa4               (3.Qe4#)       (1)
               c4+          3.Qxc4#

4. Aleksandr Kalinin

64, 1991

Mate in 4

1.Rh3!  (2.Rh8#)                      (2)
						
1...Rh1 2.Rh2 ()			
              Rxh2 3.Sc4  &   4.Sb6#  (1)
              Rf1  3.Rh8+ Rf8 4.Rxf8# (½)
              Re1  3.Rh8+ Re8 4.Rxe8# (½)
              Rc1  3.Rh8+ Rc8 4.Rxc8# (½)
              Rb1  3.Rh8+ Rb8 4.Rxb8# (½)

5. A. A. Troitzky & L. I. Kubbel

2nd Prize, Ceskoslovensky sach, 1936

White to play and win

6. David J. Shire

3rd Comm., Phénix, 1993

Helpmate in 2
2 solutions

1.Rxe6 Rg6 2.Rb6 d4# (2½)
1.Bxd3 Be2 2.Bb5 e7# (2½)

1.Qc1+	(1)
1...Ka4 (i) 2.Qc4!	(1)
2...Qd8! (ii) 3.Qa6+	(½)
3...Qa5 (iii) 4.Nb6+!	(1)
4...axb6 5.Qc4!	(1)
5...Qa7 (or 5...Qa8) 6.Qa2+ 1–0	(½)

(i)	1...Kb3 2.Qc2+ Ka3 3.Qa2#
(ii)	2...a6 3.Kb2 Qd8 4.Qxa6+ Qa5 5.Nb6#
(iii)	3...Kb3 4.Qa2+ Kc3 5.Qc2+ Kd4 6.Qd2+ 1-0

WINTONBRITISH CHESS SOLVING CHAMPIONSHIP

2008-2009 – The Juninor Postal Round Problems and Solutions

WINTON
BRITISH CHESS SOLVING CHAMPIONSHIP