MESON Chess Problem Database
Problem Display
PID: 3137 (8/1Kn5/1BPR4/6pr/2P1kpP1/3NPN2/3pB3/3r3n w - - 0 1)
Gevers, Raymond
Source?, 1919
#2
10 + 8
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sxd2#
- 1...Rb1
- 2.Sxd2#
- 1...Rc1
- 2.Sxd2#
- 1...Re1
- 2.Sxd2#
- 1...Rf1
- 2.Sxd2#
- 1...Rg1
- 2.Sxd2#
- 1...Rh2
- 2.Sxg5#
- 1...Rh3
- 2.Sxg5#
- 1...Rh4
- 2.Sxg5#
- 1...Rh6
- 2.Sxg5#
- 1...Rh7
- 2.Sxg5#
- 1...Rh8
- 2.Sxg5#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...Sb5
- 2.Re6#
- 1...Sd5
- 2.Re6#
- 1...Sa6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...fxe3
- 2.Rd4#
- 1...Ra1
- Tries
- 1.Kxc7?
- threat
- 2.Re6#
- 1...Rh6
- 2.Sxg5#
- 1...Rh7+!
- threat
- 1.Kc8?
- 1...fxe3
- 2.Rd4#
- 1...Ra1
- 2.Sxd2#
- 1...Rb1
- 2.Sxd2#
- 1...Rc1
- 2.Sxd2#
- 1...Re1
- 2.Sxd2#
- 1...Rf1
- 2.Sxd2#
- 1...Rg1
- 2.Sxd2#
- 1...Rh2
- 2.Sxg5#
- 1...Rh3
- 2.Sxg5#
- 1...Rh4
- 2.Sxg5#
- 1...Rh6
- 2.Sxg5#
- 1...Rh7
- 2.Sxg5#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...Sb5
- 2.Re6#
- 1...Sd5
- 2.Re6#
- 1...Sa6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...Rh8+!
- 1...fxe3
- 1.Sde5?
- threat
- 2.Bd3#
- 1...fxe3
- 2.Rd4#
- 1...Sf2!
- threat
- 1.Bxd1?
- threat
- 2.Sxd2#
- 1...fxe3
- 2.Rd4#
- 1...Rh2
- 2.Sxg5#
- 1...Sd5!
- threat
- 1.Bc5?
- 1...fxe3
- 2.Rd4#
- 1...Ra1
- 2.Sxd2#
- 1...Rc1
- 2.Sxd2#
- 1...Re1
- 2.Sxd2#
- 1...Rf1
- 2.Sxd2#
- 1...Rg1
- 2.Sxd2#
- 1...Rh2
- 2.Sxg5#
- 1...Rh3
- 2.Sxg5#
- 1...Rh4
- 2.Sxg5#
- 1...Rh6
- 2.Sxg5#
- 1...Rh7
- 2.Sxg5#
- 1...Rh8
- 2.Sxg5#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...Sb5
- 2.Re6#
- 1...Sd5
- 2.Re6#
- 1...Sa6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...Rb1+!
- 1...fxe3
- 1.Ba7?
- 1...fxe3
- 2.Rd4#
- 1...Ra1
- 2.Sxd2#
- 1...Rc1
- 2.Sxd2#
- 1...Re1
- 2.Sxd2#
- 1...Rf1
- 2.Sxd2#
- 1...Rg1
- 2.Sxd2#
- 1...Rh2
- 2.Sxg5#
- 1...Rh3
- 2.Sxg5#
- 1...Rh4
- 2.Sxg5#
- 1...Rh6
- 2.Sxg5#
- 1...Rh7
- 2.Sxg5#
- 1...Rh8
- 2.Sxg5#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...Sb5
- 2.Re6#
- 1...Sd5
- 2.Re6#
- 1...Sa6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...Rb1+!
- 1...fxe3
- 1.Rg6?
- 1...Ra1
- 2.Sxd2#
- 1...Rb1
- 2.Sxd2#
- 1...Rc1
- 2.Sxd2#
- 1...Re1
- 2.Sxd2#
- 1...Rf1
- 2.Sxd2#
- 1...Rg1
- 2.Sxd2#
- 1...Rh2
- 2.Sxg5#
- 1...Rh3
- 2.Sxg5#
- 1...Rh4
- 2.Sxg5#
- 1...Rh6
- 2.Sxg5#
- 1...Rh7
- 2.Sxg5#
- 1...Rh8
- 2.Sxg5#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...Sb5
- 2.Re6#
- 1...Sd5
- 2.Re6#
- 1...Sa6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...fxe3!
- 1...Ra1
- 1.Rh6?
- 1...Rxh6
- 2.Sxg5#
- 1...Ra1
- 2.Sxd2#
- 1...Rb1
- 2.Sxd2#
- 1...Rc1
- 2.Sxd2#
- 1...Re1
- 2.Sxd2#
- 1...Rf1
- 2.Sxd2#
- 1...Rg1
- 2.Sxd2#
- 1...Rh2
- 2.Sxg5#
- 1...Rh3
- 2.Sxg5#
- 1...Rh4
- 2.Sxg5#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...Sb5
- 2.Re6#
- 1...Sd5
- 2.Re6#
- 1...Sa6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...fxe3!
- 1...Rxh6
- 1.Kxc7?
- Keys
- 1.Rf6!
- 1...fxe3
- 2.Sc5#
- 1...Ra1
- 2.Sxd2#
- 1...Rb1
- 2.Sxd2#
- 1...Rc1
- 2.Sxd2#
- 1...Re1
- 2.Sxd2#
- 1...Rf1
- 2.Sxd2#
- 1...Rg1
- 2.Sxd2#
- 1...Rh2
- 2.Sxg5#
- 1...Rh3
- 2.Sxg5#
- 1...Rh4
- 2.Sxg5#
- 1...Rh6
- 2.Sxg5#
- 1...Rh7
- 2.Sxg5#
- 1...Rh8
- 2.Sxg5#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...Sb5
- 2.Re6#
- 1...Sd5
- 2.Re6#
- 1...Sa6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...fxe3
- 1.Rf6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::S(D),XP(c)
- R(a);N_GUARD,P_PINB(G)::S(D),XP(c)
- R(g);N_GUARD::S(D),XP(f)
- S(b);N_GUARD::S(B),XS(b)
- S(b);N_GUARD::S(B)
- S(h);N_GUARD::R(I)
- S(h);N_GUARD::R(I),XS(h)
- P(e);SBLOCK,XP(C)::R1(I)
- Tries
- Try
- K(J);P-FLIGHT,XS(h)
- Threat
- R(I)
- Vars
- R(g);N_GUARD::S(D),XP(f)
- Refutation
- R(g);CHECK
- Try
- K(J);S_FLIGHT
- Vars
- P(e);SBLOCK,XP(C)::R1(I)
- R(a);N_GUARD::S(D),XP(c)
- R(g);N_GUARD::S(D),XP(f)
- S(b);N_GUARD::S(B),XS(b)
- S(b);N_GUARD::S(B)
- S(h);N_GUARD::R(I)
- S(h);N_GUARD::R(I),XS(h)
- Refutation
- R(g);CHECK
- Try
- S(B);
- Threat
- B(A)
- Vars
- P(e);SBLOCK,XP(C)::R1(I)
- Refutation
- S(b);
- Try
- B(A);XR(a)
- Threat
- S(D),XP(c)
- Vars
- P(e);SBLOCK,XP(C)::R1(I)
- R(g);N_GUARD::S(D),XP(f)
- Refutation
- S(h);
- Try
- B(G);
- Vars
- P(e);SBLOCK,XP(C)::R1(I)
- R(a);N_GUARD::S(D),XP(c)
- R(g);N_GUARD::S(D),XP(f)
- S(b);N_GUARD::S(B),XS(b)
- S(b);N_GUARD::S(B)
- S(h);N_GUARD::R(I)
- S(h);N_GUARD::R(I),XS(h)
- Refutation
- R(a);CHECK
- Try
- B(G);
- Vars
- P(e);SBLOCK,XP(C)::R1(I)
- R(a);N_GUARD::S(D),XP(c)
- R(g);N_GUARD::S(D),XP(f)
- S(b);N_GUARD::S(B),XS(b)
- S(b);N_GUARD::S(B)
- S(h);N_GUARD::R(I)
- S(h);N_GUARD::R(I),XS(h)
- Refutation
- R(a);CHECK
- Try
- R(I);
- Vars
- R(a);N_GUARD::S(D),XP(c)
- R(a);N_GUARD,P_PINB(G)::S(D),XP(c)
- R(g);N_GUARD::S(D),XP(f)
- S(b);N_GUARD::S(B),XS(b)
- S(b);N_GUARD::S(B)
- S(h);N_GUARD::R(I)
- S(h);N_GUARD::R(I),XS(h)
- Refutation
- P(e);XP(C)
- Try
- R(I);
- Vars
- R(g);N_GUARD,XR(I)::S(D),XP(f)
- R(a);N_GUARD::S(D),XP(c)
- R(a);N_GUARD,P_PINB(G)::S(D),XP(c)
- R(g);N_GUARD::S(D),XP(f)
- S(b);N_GUARD::S(B),XS(b)
- S(b);N_GUARD::S(B)
- S(h);N_GUARD::R(I)
- S(h);N_GUARD::R(I),XS(h)
- Refutation
- P(e);XP(C)
- Try
- Actual
- R(I);
- Vars
- P(e);SBLOCK,XP(C)::S(B)
- R(a);N_GUARD::S(D),XP(c)
- R(a);N_GUARD,P_PINB(G)::S(D),XP(c)
- R(g);N_GUARD::S(D),XP(f)
- S(b);N_GUARD::S(B),XS(b)
- S(b);N_GUARD::S(B)
- S(h);N_GUARD::R(I)
- S(h);N_GUARD::R(I),XS(h)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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