MESON Chess Problem Database
Problem Display
PID: 16331 (1B2n3/4Q3/1R1nP3/2NkN3/3p4/3P4/P2K4/1B6 w - - 0 1)
Fillery, William Edmund Frank
Chess, 1940
#2
10 + 4
SOLUTION
- SOUND
- Sets
- 1...Kxe5
- 2.Qg5#
- 1...Sc4+
- 2.dxc4#
- 1...Se4+
- 2.dxe4#
- 1...Sf6
- 2.Qxd6#
- 1...Sc7
- 2.Qxd6#
- 1...Sg7
- 2.Qxd6#
- 1...Kxe5
- Tries
- 1.Sb3?
- 1...Sc4+
- 2.dxc4#
- 1...Se4+
- 2.dxe4#
- 1...Sb5
- 2.Rxb5#
- 2.Qc5#
- 2.Qb7#
- 1...Sf5
- 2.Rb5#
- 2.Qc5#
- 2.Qb7#
- 1...Sb7
- 2.Qxb7#
- 1...Sf7
- 2.Rb5#
- 2.Qc5#
- 2.Qb7#
- 1...Sc8
- 2.Rb5#
- 2.Qc5#
- 2.Qb7#
- 1...Sf6
- 2.Qxd6#
- 1...Sc7
- 2.Qxd6#
- 1...Sg7
- 2.Qxd6#
- 1...Kxe5!
- 1...Sc4+
- 1.Sa4?
- 1...Sc4+
- 2.dxc4#
- 1...Se4+
- 2.dxe4#
- 1...Sb5
- 2.Rxb5#
- 2.Qc5#
- 2.Qb7#
- 1...Sf5
- 2.Rb5#
- 2.Qc5#
- 2.Qb7#
- 1...Sb7
- 2.Qxb7#
- 1...Sf7
- 2.Rb5#
- 2.Qc5#
- 2.Qb7#
- 1...Sc8
- 2.Rb5#
- 2.Qc5#
- 2.Qb7#
- 1...Sf6
- 2.Qxd6#
- 1...Sc7
- 2.Qxd6#
- 1...Sg7
- 2.Qxd6#
- 1...Kxe5!
- 1...Sc4+
- 1.Se4?
- 1...Sc4+
- 2.dxc4#
- 1...Sxe4+
- 2.dxe4#
- 1...Sb5
- 2.Rxb5#
- 2.Qc5#
- 2.Qb7#
- 1...Sf5
- 2.Rb5#
- 2.Qc5#
- 2.Qb7#
- 1...Sb7
- 2.Qxb7#
- 1...Sf7
- 2.Rb5#
- 2.Qc5#
- 2.Qb7#
- 1...Sc8
- 2.Rb5#
- 2.Qc5#
- 2.Qb7#
- 1...Sf6
- 2.Qxd6#
- 1...Sc7
- 2.Qxd6#
- 1...Sg7
- 2.Qxd6#
- 1...Kxe5!
- 1...Sc4+
- 1.Sa6?
- 1...Sc4+
- 2.dxc4#
- 1...Se4+
- 2.dxe4#
- 1...Sb5
- 2.Sb4#
- 2.Rxb5#
- 2.Qc5#
- 2.Qb7#
- 1...Sf5
- 2.Sb4#
- 2.Rb5#
- 2.Qc5#
- 2.Qb7#
- 1...Sb7
- 2.Sb4#
- 2.Qxb7#
- 1...Sf7
- 2.Sb4#
- 2.Rb5#
- 2.Qc5#
- 2.Qb7#
- 1...Sc8
- 2.Sb4#
- 2.Rb5#
- 2.Qc5#
- 2.Qb7#
- 1...Sf6
- 2.Qxd6#
- 1...Sc7
- 2.Qxd6#
- 1...Sg7
- 2.Qxd6#
- 1...Kxe5!
- 1...Sc4+
- 1.Scd7?
- 1...Sc4+
- 2.dxc4#
- 1...Se4+
- 2.dxe4#
- 1...Sb5
- 2.Rxb5#
- 2.Qc5#
- 1...Sf5
- 2.Rb5#
- 2.Qc5#
- 1...Sf7
- 2.Rb5#
- 2.Qc5#
- 1...Sc8
- 2.Rb5#
- 2.Qc5#
- 1...Sf6
- 2.Rxd6#
- 2.Qxd6#
- 1...Sc7
- 2.Rxd6#
- 2.Qxd6#
- 1...Sg7
- 2.Rxd6#
- 2.Qxd6#
- 1...Sb7!
- 1...Sc4+
- 1.Bc2?
- 1...Sc4+
- 2.dxc4#
- 1...Se4+
- 2.dxe4#
- 1...Kxe5
- 2.Qg5#
- 1...Sb5
- 2.Bb3#
- 1...Sf5
- 2.Bb3#
- 1...Sb7
- 2.Bb3#
- 1...Sf7
- 2.Bb3#
- 1...Sc8
- 2.Bb3#
- 1...Sf6
- 2.Qxd6#
- 1...Sc7
- 2.Qxd6#
- 1...Sg7
- 2.Qxd6#
- 1...Kxc5!
- 1...Sc4+
- 1.Bxd6?
- threat
- 2.Qb7#
- 1...Sxd6
- 2.Qxd6#
- 1...Sc7!
- threat
- 1.Rxd6+?
- 1...Kxe5
- 2.Qg5#
- 1...Sxd6
- 2.Qxd6#
- 1...Kxc5!
- 1...Kxe5
- 1.Qd8?
- 1...Kxe5
- 2.Qg5#
- 1...Sf6
- 2.Qxd6#
- 1...Sc7
- 2.Qxd6#
- 1...Sg7
- 2.Qxd6#
- 1...Kxc5!
- 1...Kxe5
- 1.Qd7?
- 1...Kxc5
- 2.Qc6#
- 1...Sf6
- 2.Qxd6#
- 1...Sc7
- 2.Qxd6#
- 1...Sg7
- 2.Qxd6#
- 1...Kxe5!
- 1...Kxc5
- 1.a3?
- 1...Sc4+
- 2.dxc4#
- 1...Se4+
- 2.dxe4#
- 1...Kxe5
- 2.Qg5#
- 1...Sb5
- 2.Ba2#
- 1...Sf5
- 2.Ba2#
- 1...Sb7
- 2.Ba2#
- 1...Sf7
- 2.Ba2#
- 1...Sc8
- 2.Ba2#
- 1...Sf6
- 2.Qxd6#
- 1...Sc7
- 2.Qxd6#
- 1...Sg7
- 2.Qxd6#
- 1...Kxc5!
- 1...Sc4+
- 1.Sb3?
- Keys
- 1.a4!
- 1...Sc4+
- 2.dxc4#
- 1...Se4+
- 2.dxe4#
- 1...Kxc5
- 2.Rb5#
- 1...Kxe5
- 2.Qg5#
- 1...Sb5
- 2.Ba2#
- 1...Sf5
- 2.Ba2#
- 1...Sb7
- 2.Ba2#
- 1...Sf7
- 2.Ba2#
- 1...Sc8
- 2.Ba2#
- 1...Sf6
- 2.Qxd6#
- 1...Sc7
- 2.Qxd6#
- 1...Sg7
- 2.Qxd6#
- 1...Sc4+
- 1.a4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- K(b);OGATEB,P-FLIGHT,P_SPINS(c),XS(F)::QAR2(I)
- S(c);CHECK,OGATE::P(D),XS(c)
- S(d);N_GUARD::QAR1(I),XS(c)
- Tries
- Try
- S(E);
- Vars
- S(c);CHECK,OGATE::P(D),XS(c)
- S(c);N_GUARD::QAB(I),XS(c)
- S(d);N_GUARD::QAR1(I),XS(c)
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XS(F)
- Try
- S(E);
- Vars
- S(c);CHECK,OGATE::P(D),XS(c)
- S(c);N_GUARD::QAB(I),XS(c)
- S(d);N_GUARD::QAR1(I),XS(c)
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XS(F)
- Try
- S(E);
- Vars
- S(c);CHECK,OGATE::P(D),XS(c)
- S(c);CHECK,OGATE,XS(E)::P(D),XS(c)
- S(c);N_GUARD::QAB(I),XS(c)
- S(d);N_GUARD::QAR1(I),XS(c)
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XS(F)
- Try
- S(E);
- Vars
- S(c);CHECK,OGATE::P(D),XS(c)
- S(d);N_GUARD::QAR1(I),XS(c)
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XS(F)
- Try
- S(E);
- Vars
- S(c);CHECK,OGATE::P(D),XS(c)
- Refutation
- S(c);
- Try
- B(A);
- Vars
- S(c);CHECK,OGATE::P(D),XS(c)
- K(b);OGATEB,P-FLIGHT,P_SPINS(c),XS(F)::QAR2(I)
- S(c);N_GUARD::B(A)
- S(d);N_GUARD::QAR1(I),XS(c)
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XS(E)
- Try
- B(J);XS(c)
- Threat
- QAB(I)
- Vars
- S(d);OGATE,XB(J)::QAR1(I),XS(d)
- Refutation
- S(d);
- Try
- R(G);CHECK,XS(c)
- Vars
- K(b);P-FLIGHT,XS(F)::QAR2(I)
- S(d);OGATE,XR(G)::QAR1(I),XS(d)
- Refutation
- K(b);P-FLIGHT,XS(E)
- Try
- Q(I);P_PINS(c)
- Vars
- K(b);OGATEB,P-FLIGHT,XS(F)::QAR2(I)
- S(d);N_GUARD::QAR1(I),XS(c)
- Refutation
- K(b);N_SPINS(c),P-FLIGHT,XS(E)
- Try
- Q(I);P_PINS(c)
- Vars
- K(b);N_SPINS(c),P-FLIGHT,XS(E)::QAR1(I)
- S(d);N_GUARD::QAR1(I),XS(c)
- Refutation
- K(b);P-FLIGHT,XS(F)
- Try
- P(B);
- Vars
- S(c);CHECK,OGATE::P(D),XS(c)
- K(b);OGATEB,P-FLIGHT,P_SPINS(c),XS(F)::QAR2(I)
- S(c);N_GUARD::B(A)
- S(d);N_GUARD::QAR1(I),XS(c)
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XS(E)
- Try
- Actual
- P(B);
- Vars
- S(c);CHECK,OGATE::P(D),XS(c)
- K(b);OGATEB,P-FLIGHT,P_SPINS(c),XS(E)::R1(G)
- K(b);OGATEB,P-FLIGHT,P_SPINS(c),XS(F)::QAR2(I)
- S(c);N_GUARD::B(A)
- S(d);N_GUARD::QAR1(I),XS(c)
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).