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Home Past Years 2007-2008 The Final - Problems

The Final - Problems

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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. Threats are given in parentheses and 'S' is used for knight. All problems carried 5 points, distributed as indicated with the solutions.

1.1 Viktor Chepizhni

3rd HM., Shakhmatnaya kompozitsiya, 1997

Mate in 2

1.c6?        (2.Sf5#)
	
1...Bc5      2.Sb5#
1...Se3      2.Bc3#
1...Se7,Bxg7 2.Qb6#
1...Qxg7,Qd5 2.Q(x)d5#
1...Qe6      2.Sxe6#
1...Qf7!	

1.e6!                   (5)
             (2.Sb5#)	
		
1...Se5      2.Sf5#	
1...Sc3      2.Qxc3#	
1...Bc6      2.Sxc6#	
1...Bd5      2.Rxd5#	
				

2.1 Efren Petite & Christopher Reeves

The Problemist, 2008

Mate in 2

1.Rce6?  (2.Qd6,Sxd5#) 1...Rxe6!
1.Ree6?  (2.Qd6,Sxd5#) 1...Bxe6!
1.Be6?   (2.Qd6,Sxd5#) 1...g4!
1.Qe7?   (2.Qe5,Qe3#)  1...Re8!

1.Bg4!                 (5)
         (2.Qf5#)	
		
1...Qxg4 2.Qxg4#	
1...Rf6  2.Rxf6#	
1...Be6  2.Qd6#	
1...Re6  2.Sxd5#	
				

1.3 William H Reilly

Manchester City News, 1918

Mate in 2

1.Qe8!               (5)
          (2.Sxf6#)	
		
1...Kxd5  2.Sd2#	
1...Rxc5+ 2.Sxc5#	
1...S6~   2.Rd4#	
1...Sxd5  2.Qg6#	
1...e6    2.Qxe6#	
1...e5    2.Qxe5#
				

2.1 E Williams (version by PSV)

Sunday Chronicle, 1945

Mate in 3

1.Be5!       ()                     (1)
				
1...Ba2      2.Sxf6 &   3.Re8#      (½)
1...Bb5,Bxa6 2.Bb3+ Bc4 3.Bxc4#     (½,½)
1...h5       2.Bxf6 &   3.Sxg5,Sd4# (½)
1...fxe5     2.Kxh6 &   3.Sxg5#     (½)
1...c6       2.Re8+ Kd7 3.Sxf6#     (½)
1...c5       2.Bxb8     (3.Rd6#)    (½)
                    Sc7 3.Rxb6#	
1...Ba7      2.Bg3      (3.Sd4#)    (½)
                    c5  3.Rd6#	
				

2.2 B N Lewis

Sunday Chronicle, 1944

Mate in 3

1.Bg2!                            (1)
         (2.Sg5+ Kc4,Kxd6 3.Qd5#  (1)
                 Kd4      3.Qc3#	
                 e4,Qe4   3.Qd3#)	
				
1...Qf5  2.Qd3+  Ke6      3.Qc4#  (½)
1...Qxe4 2.Qxe4+ Kxd6     3.Qd5#  (½)
                 Ke6      3.Qxe5#
1...Bxf6 2.Qd3+  Ke6      3.Sc5#  (½)
1...Kd4  2.Qd1+  Ke3      3.Qd2#  (½)
                 Kc4      3.Bf1#	
1...Kc4  2.Sd2+  Kxb5     3.Qb7#  (½)
                 Kd4      3.Qc3#	
1...Ke6  2.Sc5+  Kxd6     3.Qd5#  (½)
				

3.1 Yuri Bazlov

5th Prize, Olympiev JT, 1997

White to play and win

1.Rc8! (i)                        (½)

1...a2! (ii) 2.Be4+               (½)
2...Ka1! (iii) 3.Rc1+! (iv)       (1)
3...Nxc1 (v) 4.b8B! (vi)          (1)

4...Nd3 5.Bxd3                    (1)
5...Qh4+ 6.Bhf4! (vii) 1–0 (viii) (1)
				
(i)1.Rg8? Nc5+ 2.Kb5 (2.Kb4 Qxd5 3.b8Q Na6+ 4.Kc3+ Nxb8 5.Rg1+ Ka2 6.Kc2 Qe4+ 7.Kd2 Qd4+ 8.Ke2 Qxg1 9.Bxg1 Kb3 10.Bd4 Kc2 11.Be5 a2 12.Kf3 Na6 13.Bd4 Nc5 14.Ke2 Na4 15.Ba1 Kc1 16.Ke1 Nc5 17.Ke2 Kb1 18.Be5 Na4 19.Ke3 Nb2 20.Ke4 a1Q 0-1) 2...Qxd5 3.b8Q Nd7+ 4.Ka6+ Nxb8+ 5.Rxb8+ Kc2 0-1; 1.Bxb3? Qc5! =
(ii)1...Qxd5 2.b8Q a2 3.Be5 a1Q+ 4.Bxa1 Kxa1 5.Qb4 Qd4 6.Rc4 Qd2 7.Qa3+ Kb1 8.Qxb3+ Ka1 9.Qc3+ 1-0
(iii)2...Kb2 3.Rc2+ Ka1 4.Bd6! 1-0
(iv)3.b8Q? Qa5+ 4.Kxb3 Qa3+ 5.Kxa3 =
(v)3...Qxc1 4.Be5+ Qb2 5.b8Q Nc5+ 6.Ka5 Nb3+ 7.Ka6 Nc5+ 8.Ka7 1-0; 3...Kb2 4.Rc2+ Ka1 5.Bd6! 1-0
(vi)4.b8Q? Nd3! 5.Bxd3 [Black threatened 5...Nb2+ 6.Kb4 (6.Ka3 Qa5+ 7.Kb3 Qa4+ 8.Kc3 Qc4+ 9.Kd2 Qd4+ 10.Ke2 Qxe4+ 11.Kf2 Kb1 0-1; 6.Kb3 Qe3+ 7.Kb4 Qxe4+ 8.Kc5 Nd3+ 9.Kd6 Qb4+ 10.Qxb4 Nxb4 11.Be5+ Kb1 12.Bh8 Nd3 13.Kc6 Nb2 0-1; 6.Qxb2+ Kxb2 0-1) 6...Qe7+ 7.Ka5 Qxe4 8.Qg8 Qd4 9.Qg6 Nd3 10.Kb5 Kb1 0-1] 5...Qa5+ 6.Kxa5 =
(vii)6.Kb3? Qxh2! 7.Bxh2 =
(viii)6...Kb2 7.Bbe5#

3.2 V Sabinin

3rd Prize, Odessa Ty., 1983

White to play and draw

1.Na5+                    (½)
1...Kxb5 (i) 2.a7         (1)
2...a3+ 3.Kb3             (½)
3...Be6 (ii) 4.c4+        (1)
4...bxc3 5.a8Q            (1)
5...Rd8+ 6.Kxa3 (iii) ½–½ (1)
				
(i)1...Kc5? 2.a7 a3+ 3.Ka2 Be6 4.Nb3+ Kb6 5.a8Q 1-0
(ii)The equivalent sequence 3...Rd8 4.c4+ bxc3 5.a8Q Be6+ will gain equivalent points
(iii)6...Rxa8 ½–½ (stalemate)

4.1 Roman Fedorovich & Ivan Soroka

4th Comm., Ivunin-50 JT, 1997

Helpmate in 2; 2 solutions

1.Qh6 Qd1 2.Kg6 Se5# (2½)
1.Qf7 Bg2 2.Ke6 Sc5# (2½)
				

4.2 Zdenek Meergans

Comm., Sachova skladba, 1987

Helpmate in 4; 3 solutions

1.Bc4 Sxc2 2.Be6  Kd3 3.Re5+ Se4+ 4.Kd5 Sb4#
1.Re7 Sxc2 2.Qe4  Se3 3.Qc6  Kd4  4.Rc7 Sf5#
1.Bf4 Sxg2 2.Be5+ Kd2 3.Kd5  Se3+ 4.Kd4 Sb3#
				

1 solution = 1 point
2 solutions = 3 points
3 solutions = 5 points

5.1 Valery Shavirin

4th Place, 14th Team Championship of Russia, 2001

Mate in 4

1.Rf7!                                             (1)
        (2.Sd6+ Kg5  3.Re5+   Kh4,Kh6     4.Rxh7#) (1)
						
1...Sf3 2.Rfe7  &    3.Re5+   Sxe5        4.Be6#   (½)
1...Sd3 2.f3         (3.Sf~#)			
                Se5  3.Sh5+   Sxf7        4.Sg7#   (½)
1...f3  2.Sd5+  Kg4  3.Se3+   Kh3,Kh4,Kh5 4.Rxh7#  (½)
1...h6  2.h4         (3.Sd6#)			
                Rxh4 3.Sd6+   Kg5         4.Re5#   (½)
                f3   3.Sd6+   Kf4         4.Re4#   (½)
1...h5  2.h3         (3.Sf~#)			 
                Rxh3 3.Sd5+   Kg4         4.Rxf4#  (½)
				

5.2 Hans Vetter

Manchester Guardian, 1952

Mate in 5

1.Kg2!                                                  (1)
        (2.Bh5#)							
								
1...Qa8 2.c6      (3.Bh5#)					
             Qxc6 3.Kh3       (4.Bh5#)			
                        Qxf3+ 4.Rxf3+ Bf6   5.Rxf6,h8S# (2)
                        Qc3   4.h8S+  Qxh8+ 5.Bh5#      (2)
				

6.1 Viacheslav Kopaev

2nd Prize, Lebedkin MT, 1996

Selfmate in 2

1.Qh5?                   (2.Qg6+ Rxg6#)	
			
1...Bxc4!			
			
1.Qf5!                                  (½)
                         (2.Qg6+ Rxg6#) (½)
			
1...Sd5+                 2.c5+   Qxc5#  (1)
1...Sxc4+,Sc8+,Sa8+      2.Qc5+	 Qxc5#  (½)
1...Bxc4                 2.Qxd7+ Sxd7#  (1)
1...Rxg5+                2.Qf6+  Bxf6#  (1)
1...Rg6+,Rh7+,Rxf7+,Rg8+ 2.Qe5+  Bxe5#  (½)
				

6.2 Udo Degener

1st HM., US Problem Bulletin, 1993

Selfmate in 5

1.d4!                                                       (1)
									
         (2.Ra6+ e6  3.Sb6+  Kc6 4.Sc4+ Kd5  5.Se3+  Bxe3#) (1½)
									
1...Bg3  2.Rg6+  e6  3.Bxe6+ Kc6 4.Bg4+ Sf6  5.Bxf3+ Sxf3#  (½)
                                        Kd5  5.Bxf3+ Sxf3#  (½)
1...Bxd4 2.Bf6+  Be5 3.Rxe5+ Kd4 4.Re3+ Kd5  5.Rd3+  Sxd3#  (½)
                                        Sxf6 5.Rd3+  Sxd3#  (½)
                                        exf6 5.Rd3+  Sxd3#  (½)
				
Last Updated on Saturday, 11 October 2008 11:22