MESON Chess Problem Database
Problem Display
PID: 10381 (4N3/2P4K/q6p/3PN1bR/3p1kP1/4r1pP/2p1R1B1/2Q1B3 w - - 0 1)
Warton, Joseph John
Busmen's Chess Review, 1964
#2
12 + 8
SOLUTION
- SOUND
- Sets
- 1...Kxe5
- 2.Bxg3#
- 1...Qxe2
- 2.Sg6#
- 1...Qd3+
- 2.Sxd3#
- 1...Qc4
- 2.Sg6#
- 1...Qb5
- 2.Sg6#
- 1...Qb7
- 2.Sd3#
- 2.Sg6#
- 1...Qc8
- 2.Sd3#
- 2.Sg6#
- 1...Qa1
- 2.Sd3#
- 2.Sg6#
- 1...Qa2
- 2.Sd3#
- 2.Sg6#
- 1...Qa3
- 2.Sg6#
- 1...Qa4
- 2.Sd3#
- 2.Sg6#
- 1...Qa5
- 2.Sd3#
- 2.Sg6#
- 1...Qb6
- 2.Sd3#
- 1...Qc6
- 2.Sd3#
- 1...Qd6
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 1...Qf6
- 2.Sd3#
- 1...Qg6+
- 2.Sxg6#
- 1...Qa7
- 2.Sd3#
- 2.Sg6#
- 1...Qa8
- 2.Sd3#
- 2.Sg6#
- 1...Bh4
- 2.Rf5#
- 1...Bf6
- 2.Sg6#
- 2.Rf5#
- 1...Be7
- 2.Rf5#
- 1...Bd8
- 2.Rf5#
- 1...d3
- 2.Qxe3#
- 1...Kxe5
- Tries
- 1.Kg8?
- 1...Qg6+
- 2.Sxg6#
- 1...Kxe5
- 2.Bxg3#
- 1...Qxe2
- 2.Sg6#
- 1...Qd3
- 2.Sxd3#
- 1...Qc4
- 2.Sg6#
- 1...Qb5
- 2.Sg6#
- 1...Qb7
- 2.Sd3#
- 2.Sg6#
- 1...Qc8
- 2.Sd3#
- 2.Sg6#
- 1...Qa1
- 2.Sd3#
- 2.Sg6#
- 1...Qa2
- 2.Sd3#
- 2.Sg6#
- 1...Qa3
- 2.Sg6#
- 1...Qa4
- 2.Sd3#
- 2.Sg6#
- 1...Qa5
- 2.Sd3#
- 2.Sg6#
- 1...Qb6
- 2.Sd3#
- 1...Qc6
- 2.Sd3#
- 1...Qd6
- 2.Sd3#
- 1...Qf6
- 2.Sd3#
- 1...Qa7
- 2.Sd3#
- 2.Sg6#
- 1...Qa8
- 2.Sd3#
- 2.Sg6#
- 1...Bh4
- 2.Rf5#
- 1...Bf6
- 2.Sg6#
- 2.Rf5#
- 1...Be7
- 2.Rf5#
- 1...Bd8
- 2.Rf5#
- 1...d3
- 2.Qxe3#
- 1...Qe6+!
- 1...Qg6+
- 1.Sd6?
- threat
- 2.Sg6#
- 1...Qd3+
- 2.Sxd3#
- 1...Qxd6
- 2.Sd3#
- 1...Kxe5!
- threat
- 1.Sf6?
- threat
- 2.Sg6#
- 1...Qd3+
- 2.Sxd3#
- 1...Qxf6
- 2.Sd3#
- 1...Kxe5!
- threat
- 1.Sg7?
- 1...Qd3+
- 2.Sxd3#
- 1...Qg6+
- 2.Sxg6#
- 1...Qxe2
- 2.Sg6#
- 1...Qc4
- 2.Sg6#
- 1...Qb5
- 2.Sg6#
- 1...Qb7
- 2.Sd3#
- 2.Sg6#
- 1...Qc8
- 2.Sd3#
- 2.Sg6#
- 1...Qa1
- 2.Sd3#
- 2.Sg6#
- 1...Qa2
- 2.Sd3#
- 2.Sg6#
- 1...Qa3
- 2.Sg6#
- 1...Qa4
- 2.Sd3#
- 2.Sg6#
- 1...Qa5
- 2.Sd3#
- 2.Sg6#
- 1...Qb6
- 2.Sd3#
- 1...Qc6
- 2.Sd3#
- 1...Qd6
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 1...Qf6
- 2.Sd3#
- 1...Qa7
- 2.Sd3#
- 2.Sg6#
- 1...Qa8
- 2.Sd3#
- 2.Sg6#
- 1...Bh4
- 2.Rf5#
- 1...Bf6
- 2.Sg6#
- 2.Rf5#
- 1...Be7
- 2.Rf5#
- 1...Bd8
- 2.Rf5#
- 1...d3
- 2.Qxe3#
- 1...Kxe5!
- 1...Qd3+
- 1.Bf2?
- 1...Qd3+
- 2.Sxd3#
- 1...Qg6+
- 2.Sxg6#
- 1...Kxe5
- 2.Bxg3#
- 1...Qxe2
- 2.Sg6#
- 1...Qc4
- 2.Sg6#
- 1...Qb5
- 2.Sg6#
- 1...Qb7
- 2.Sd3#
- 2.Sg6#
- 1...Qc8
- 2.Sd3#
- 2.Sg6#
- 1...Qa1
- 2.Sd3#
- 2.Sg6#
- 1...Qa2
- 2.Sd3#
- 2.Sg6#
- 1...Qa3
- 2.Sg6#
- 1...Qa4
- 2.Sd3#
- 2.Sg6#
- 1...Qa5
- 2.Sd3#
- 2.Sg6#
- 1...Qb6
- 2.Sd3#
- 1...Qc6
- 2.Sd3#
- 1...Qd6
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 1...Qf6
- 2.Sd3#
- 1...Qa7
- 2.Sd3#
- 2.Sg6#
- 1...Qa8
- 2.Sd3#
- 2.Sg6#
- 1...Bh4
- 2.Rf5#
- 1...Bf6
- 2.Sg6#
- 2.Rf5#
- 1...Be7
- 2.Rf5#
- 1...Bd8
- 2.Rf5#
- 1...d3
- 2.Qxe3#
- 1...gxf2!
- 1...Qd3+
- 1.Bb4?
- 1...Qd3+
- 2.Sxd3#
- 1...Qg6+
- 2.Sxg6#
- 1...Qxe2
- 2.Sg6#
- 1...Qc4
- 2.Sg6#
- 1...Qb5
- 2.Sg6#
- 1...Qb7
- 2.Sd3#
- 2.Sg6#
- 1...Qc8
- 2.Sd3#
- 2.Sg6#
- 1...Qa1
- 2.Sd3#
- 2.Sg6#
- 1...Qa2
- 2.Sd3#
- 2.Sg6#
- 1...Qa3
- 2.Sg6#
- 1...Qa4
- 2.Sd3#
- 2.Sg6#
- 1...Qa5
- 2.Sd3#
- 2.Sg6#
- 1...Qb6
- 2.Sd3#
- 1...Qc6
- 2.Sd3#
- 1...Qd6
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 1...Qf6
- 2.Sd3#
- 1...Qa7
- 2.Sd3#
- 2.Sg6#
- 1...Qa8
- 2.Sd3#
- 2.Sg6#
- 1...Bh4
- 2.Rf5#
- 1...Bf6
- 2.Sg6#
- 2.Rf5#
- 1...Be7
- 2.Rf5#
- 1...Bd8
- 2.Rf5#
- 1...d3
- 2.Qxe3#
- 1...Kxe5!
- 1...Qd3+
- 1.Ba5?
- 1...Qd3+
- 2.Sxd3#
- 1...Qg6+
- 2.Sxg6#
- 1...Qxe2
- 2.Sg6#
- 1...Qxa5
- 2.Sd3#
- 2.Sg6#
- 1...Qc4
- 2.Sg6#
- 1...Qb5
- 2.Sg6#
- 1...Qb7
- 2.Sd3#
- 2.Sg6#
- 1...Qc8
- 2.Sd3#
- 2.Sg6#
- 1...Qb6
- 2.Sd3#
- 1...Qc6
- 2.Sd3#
- 1...Qd6
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 1...Qf6
- 2.Sd3#
- 1...Qa7
- 2.Sd3#
- 2.Sg6#
- 1...Qa8
- 2.Sd3#
- 2.Sg6#
- 1...Bh4
- 2.Rf5#
- 1...Bf6
- 2.Sg6#
- 2.Rf5#
- 1...Be7
- 2.Rf5#
- 1...Bd8
- 2.Rf5#
- 1...d3
- 2.Qxe3#
- 1...Kxe5!
- 1...Qd3+
- 1.Bh1?
- 1...Qd3+
- 2.Sxd3#
- 1...Qg6+
- 2.Sxg6#
- 1...Kxe5
- 2.Bxg3#
- 1...Qxe2
- 2.Sg6#
- 1...Qc4
- 2.Sg6#
- 1...Qb5
- 2.Sg6#
- 1...Qb7
- 2.Sd3#
- 2.Sg6#
- 1...Qc8
- 2.Sd3#
- 2.Sg6#
- 1...Qa1
- 2.Sd3#
- 2.Sg6#
- 1...Qa2
- 2.Sd3#
- 2.Sg6#
- 1...Qa3
- 2.Sg6#
- 1...Qa4
- 2.Sd3#
- 2.Sg6#
- 1...Qa5
- 2.Sd3#
- 2.Sg6#
- 1...Qb6
- 2.Sd3#
- 1...Qc6
- 2.Sd3#
- 1...Qd6
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 1...Qf6
- 2.Sd3#
- 1...Qa7
- 2.Sd3#
- 2.Sg6#
- 1...Qa8
- 2.Sd3#
- 2.Sg6#
- 1...Bh4
- 2.Rf5#
- 1...Bf6
- 2.Sg6#
- 2.Rf5#
- 1...Be7
- 2.Rf5#
- 1...Bd8
- 2.Rf5#
- 1...d3
- 2.Qxe3#
- 1...g2!
- 1...Qd3+
- 1.Rf2+?
- 1...Kxe5
- 2.Rf5#
- 1...gxf2!
- 1...Kxe5
- 1.Rxe3?
- threat
- 2.Bxg3#
- 2.Re2#
- 2.Re4#
- 1...Qd3+
- 2.Sxd3#
- 2.Re4#
- 1...Qg6+
- 2.Sxg6#
- 1...d3
- 2.Bxg3#
- 2.Re4#
- 1...Qe2
- 2.Sg6#
- 2.Bxg3#
- 2.Rxe2#
- 2.Re4#
- 1...Qa1
- 2.Sd3#
- 2.Sg6#
- 2.Bxg3#
- 2.Re4#
- 1...Qa3
- 2.Sg6#
- 2.Bxg3#
- 2.Re4#
- 1...Qa5
- 2.Sd3#
- 2.Sg6#
- 2.Bxg3#
- 2.Re4#
- 1...Bh4
- 2.Re2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Rxg3#
- 2.Re4#
- 2.Rf5#
- 1...dxe3!
- threat
- 1.d6?
- threat
- 2.Sg6#
- 1...Qd3+
- 2.Sxd3#
- 1...Qxd6
- 2.Sd3#
- 1...Kxe5!
- threat
- 1.Kg8?
- Keys
- 1.Bc3!
- 1...Qd3+
- 2.Sxd3#
- 1...Qg6+
- 2.Sxg6#
- 1...Kxe5
- 2.Qxe3#
- 1...Qxe2
- 2.Sg6#
- 1...dxc3
- 2.Qxe3#
- 1...Qc4
- 2.Sg6#
- 1...Qb5
- 2.Sg6#
- 1...Qb7
- 2.Sd3#
- 2.Sg6#
- 1...Qc8
- 2.Sd3#
- 2.Sg6#
- 1...Qa1
- 2.Sd3#
- 2.Sg6#
- 1...Qa2
- 2.Sd3#
- 2.Sg6#
- 1...Qa3
- 2.Sd3#
- 2.Sg6#
- 1...Qa4
- 2.Sd3#
- 2.Sg6#
- 1...Qa5
- 2.Sd3#
- 2.Sg6#
- 1...Qb6
- 2.Sd3#
- 1...Qc6
- 2.Sd3#
- 1...Qd6
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 1...Qf6
- 2.Sd3#
- 1...Qa7
- 2.Sd3#
- 2.Sg6#
- 1...Qa8
- 2.Sd3#
- 2.Sg6#
- 1...Bh4
- 2.Rf5#
- 1...Bf6
- 2.Sg6#
- 2.Rf5#
- 1...Be7
- 2.Rf5#
- 1...Bd8
- 2.Rf5#
- 1...d3
- 2.Qxe3#
- 1...Qd3+
- 1.Bc3!
There are these versions: 140446
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- K(e);P_SPINB(f),S_FLIGHT,XS(H)::B(B),XP(c)
- Q(g);N_GUARD,XR(C)::S(H)
- Q(g);CHECK,N_GUARD::S(H),XQ(g)
- Q(g);N_GUARD::S(H)
- B(f);OGATE::R1(I)
- P(d);N_GUARD::QAB1(A),XR(b)
- Tries
- Try
- K(K);S_FLIGHT
- Vars
- Q(g);CHECK,N_GUARD::S(H),XQ(g)
- K(e);P_SPINB(f),S_FLIGHT,XS(H)::B(B),XP(c)
- Q(g);N_GUARD,XR(C)::S(H)
- Q(g);N_GUARD::S(H),XQ(g)
- Q(g);N_GUARD,P_PINP(G)::S(H)
- Q(g);N_GUARD::S(H)
- B(f);OGATE::R1(I)
- P(d);N_GUARD::QAB1(A),XR(b)
- Refutation
- Q(g);CHECK
- Try
- S(L);
- Threat
- S(H)
- Vars
- Q(g);CHECK,N_GUARD::S(H),XQ(g)
- Q(g);N_GUARD,XS(L)::S(H)
- Refutation
- K(e);P_SPINB(f),S_FLIGHT,XS(H)
- Try
- S(L);
- Threat
- S(H)
- Vars
- Q(g);CHECK,N_GUARD::S(H),XQ(g)
- Q(g);N_GUARD,XS(L)::S(H)
- Refutation
- K(e);P_SPINB(f),S_FLIGHT,XS(H)
- Try
- S(L);
- Vars
- Q(g);CHECK,N_GUARD::S(H),XQ(g)
- Q(g);N_GUARD,XR(C)::S(H)
- Q(g);N_GUARD::S(H)
- B(f);OGATE::R1(I)
- P(d);N_GUARD::QAB1(A),XR(b)
- Refutation
- K(e);P_SPINB(f),S_FLIGHT,XS(H)
- Try
- B(B);
- Vars
- Q(g);CHECK,N_GUARD::S(H),XQ(g)
- K(e);P_SPINB(f),S_FLIGHT,XS(H)::B(B),XP(c)
- Q(g);N_GUARD,XR(C)::S(H)
- Q(g);N_GUARD::S(H)
- B(f);OGATE::R1(I)
- P(d);N_GUARD::QAB1(A),XR(b)
- Refutation
- P(c);XB(B)
- Try
- B(B);
- Vars
- Q(g);CHECK,N_GUARD::S(H),XQ(g)
- Q(g);N_GUARD,XR(C)::S(H)
- Q(g);N_GUARD::S(H)
- B(f);OGATE::R1(I)
- P(d);N_GUARD::QAB1(A),XR(b)
- Refutation
- K(e);P_SPINB(f),S_FLIGHT,XS(H)
- Try
- B(B);
- Vars
- Q(g);CHECK,N_GUARD::S(H),XQ(g)
- Q(g);N_GUARD,XR(C)::S(H)
- Q(g);N_GUARD::S(H)
- B(f);OGATE::R1(I)
- P(d);N_GUARD::QAB1(A),XR(b)
- Refutation
- K(e);P_SPINB(f),S_FLIGHT,XS(H)
- Try
- B(D);
- Vars
- Q(g);CHECK,N_GUARD::S(H),XQ(g)
- K(e);P_SPINB(f),S_FLIGHT,XS(H)::B(B),XP(c)
- Q(g);N_GUARD,XR(C)::S(H)
- Q(g);N_GUARD::S(H)
- B(f);OGATE::R1(I)
- P(d);N_GUARD::QAB1(A),XR(b)
- Refutation
- P(c);
- Try
- R(C);CHECK
- Vars
- K(e);N_SPINR(b),OGATE,P_SPINB(f),S_FLIGHT,XS(H)::R1(C)
- Refutation
- P(c);XR(C)
- Try
- R(C);XR(b)
- Threat
- DUALS(3)
- Vars
- Q(g);CHECK,N_GUARD::S(H),XQ(g)
- Refutation
- P(d);P_SPINP(d),XR(C)
- Try
- P(G);
- Threat
- S(H)
- Vars
- Q(g);CHECK,N_GUARD::S(H),XQ(g)
- Q(g);N_GUARD,XP(G)::S(H)
- Refutation
- K(e);P_SPINB(f),S_FLIGHT,XS(H)
- Try
- Actual
- B(B);
- Vars
- Q(g);CHECK,N_GUARD::S(H),XQ(g)
- K(e);P_SPINB(f),P_SPINP(d),S_FLIGHT,XS(H)::QAR2(A),XR(b)
- Q(g);N_GUARD,XR(C)::S(H)
- P(d);N_GUARD,XB(B)::QAB1(A),XR(b)
- Q(g);N_GUARD::S(H)
- B(f);OGATE::R1(I)
- P(d);N_GUARD::QAB1(A),XR(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).