MESON Chess Problem Database
Problem Display
PID: 64511 (4B3/8/4N3/R2PpP1R/1p2kp2/4n3/1r1pK1P1/B2N2b1 w - - 0 1)
Wiedenhoff, Claude
1st Prize, Mat, 1982
#2
10 + 8
| 3752 | FIDE Album (1980-1982) | 1988 |
SOLUTION
- SOUND
- Sets
- 1...Bf2
- 2.Sxf2#
- 1...Bh2
- 2.Sf2#
- 1...b3
- 2.Sc3#
- 1...f3+
- 2.gxf3#
- 1...Bf2
- Tries
- 1.Bc6?
- 1...f3+
- 2.gxf3#
- 1...Sxd1
- 2.d6#
- 1...Sxg2
- 2.d6#
- 1...Sxd5
- 2.Bxd5#
- 1...Sxf5
- 2.d6#
- 1...Rb1
- 2.Sc5#
- 1...Ra2
- 2.Sc5#
- 1...Rb3
- 2.Sc5#
- 1...Bf2
- 2.Sxf2#
- 1...Bh2
- 2.Sf2#
- 1...Sf1
- 2.d6#
- 1...Sc2
- 2.d6#
- 1...Sc4
- 2.d6#
- 1...Sg4
- 2.d6#
- 1...b3
- 2.Sc3#
- 1...Rc2!
- 1...f3+
- 1.d6?
- 1...f3+
- 2.gxf3#
- 1...Sxd1
- 2.Bc6#
- 1...Sxg2
- 2.Bc6#
- 1...Sxf5
- 2.Bc6#
- 1...Rb1
- 2.Rxe5#
- 1...Ra2
- 2.Rxe5#
- 1...Rc2
- 2.Rxe5#
- 1...Rb3
- 2.Rxe5#
- 1...Bf2
- 2.Sxf2#
- 1...Bh2
- 2.Sf2#
- 1...Sf1
- 2.Bc6#
- 1...Sc2
- 2.Bc6#
- 1...Sc4
- 2.Bc6#
- 1...Sg4
- 2.Bc6#
- 1...b3
- 2.Sc3#
- 1...Sd5!
- 1...f3+
- 1.f6?
- 1...f3+
- 2.gxf3#
- 1...Sxd1
- 2.Bg6#
- 1...Sxg2
- 2.Bg6#
- 1...Sxd5
- 2.Bg6#
- 1...Rb1
- 2.Rxe5#
- 1...Ra2
- 2.Rxe5#
- 1...Rc2
- 2.Rxe5#
- 1...Rb3
- 2.Rxe5#
- 1...Bf2
- 2.Sxf2#
- 1...Bh2
- 2.Sf2#
- 1...Sf1
- 2.Bg6#
- 1...Sc2
- 2.Bg6#
- 1...Sc4
- 2.Bg6#
- 1...Sg4
- 2.Bg6#
- 1...b3
- 2.Sc3#
- 1...Sf5!
- 1...f3+
- 1.Bc6?
- Keys
- 1.Bg6!
- 1...f3+
- 2.gxf3#
- 1...Sxd1
- 2.f6#
- 1...Sxg2
- 2.f6#
- 1...Sxd5
- 2.f6#
- 1...Sxf5
- 2.Bxf5#
- 1...Rb1
- 2.Sg5#
- 1...Ra2
- 2.Sg5#
- 1...Rc2
- 2.Sg5#
- 1...Rb3
- 2.Sg5#
- 1...Bf2
- 2.Sxf2#
- 1...Bh2
- 2.Sf2#
- 1...Sf1
- 2.f6#
- 1...Sc2
- 2.f6#
- 1...Sc4
- 2.f6#
- 1...Sg4
- 2.f6#
- 1...b3
- 2.Sc3#
- 1...f3+
- 1.Bg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::S(B),XB(a)
- B(a);N_GUARD::S(B)
- P(e);N_GUARD::S(B)
- P(g);CHECK,OGATE::P(D),XP(g)
- Tries
- Try
- B(J);
- Vars
- P(g);CHECK,OGATE::P(D),XP(g)
- S(d);N_GUARD,XS(B)::B(J)+P(F)
- S(d);N_GUARD,XP(D)::B(J)+P(F)
- S(d);OGATE,P_SPINS(d),XP(F)::B(J),XS(d)
- S(d);N_GUARD,XP(G)::B(J)+P(F)
- R(b);::S(I)
- B(a);N_GUARD::S(B),XB(a)
- B(a);N_GUARD::S(B)
- S(d);N_GUARD::B(J)+P(F)
- P(e);N_GUARD::S(B)
- Refutation
- R(b);
- Try
- P(F);
- Vars
- P(g);CHECK,OGATE::P(D),XP(g)
- S(d);N_GUARD,XS(B)::B(J)
- S(d);N_GUARD,XP(D)::B(J)
- S(d);N_GUARD,XP(G)::B(J)
- R(b);::R1(E),XP(h)
- B(a);N_GUARD::S(B),XB(a)
- B(a);N_GUARD::S(B)
- S(d);N_GUARD::B(J)
- P(e);N_GUARD::S(B)
- Refutation
- S(d);
- Try
- P(G);
- Vars
- P(g);CHECK,OGATE::P(D),XP(g)
- S(d);N_GUARD,XS(B)::B(J)
- S(d);N_GUARD,XP(D)::B(J)
- S(d);N_GUARD,XP(F)::B(J)
- R(b);::R1(H),XP(h)
- B(a);N_GUARD::S(B),XB(a)
- B(a);N_GUARD::S(B)
- S(d);N_GUARD::B(J)
- P(e);N_GUARD::S(B)
- Refutation
- S(d);
- Try
- Actual
- B(J);
- Vars
- P(g);CHECK,OGATE::P(D),XP(g)
- S(d);N_GUARD,XS(B)::B(J)+P(G)
- S(d);N_GUARD,XP(D)::B(J)+P(G)
- S(d);N_GUARD,XP(F)::B(J)+P(G)
- S(d);OGATE,P_SPINS(d),XP(G)::B(J),XS(d)
- R(b);::S(I)
- B(a);N_GUARD::S(B),XB(a)
- B(a);N_GUARD::S(B)
- S(d);N_GUARD::B(J)+P(G)
- P(e);N_GUARD::S(B)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).