MESON Chess Problem Database
Problem Display
PID: 51275 (3n4/2N5/1Q6/4knbR/2R5/6pB/6N1/K7 w - - 0 1)
Hoole, JR
Manchester Guardian, 1956
#2
7 + 5
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Rxf5#
- 2.Qd4#
- 1...Bd2
- 2.Rxf5#
- 2.Qd4#
- 1...Be3
- 2.Rxf5#
- 1...Bf4
- 2.Rxf5#
- 2.Qd4#
- 1...Bh4
- 2.Rxf5#
- 2.Qd4#
- 1...Bf6
- 2.Rxf5#
- 2.Qd4#
- 2.Qc5#
- 1...Bh6
- 2.Rxf5#
- 2.Qd4#
- 1...Be7
- 2.Rxf5#
- 2.Qd4#
- 1...Se3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sh4
- 2.Qd4#
- 1...Sd6
- 2.Qd4#
- 2.Qb2#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Se6
- 2.Qxe6#
- 1...Sb7
- 2.Qe6#
- 1...Sf7
- 2.Qe6#
- 1...Bc1
- Tries
- 1.Kb1?
- 1...Sd4
- 2.Qxd4#
- 1...Sd6
- 2.Qd4#
- 2.Qb2#
- 1...Se6
- 2.Qxe6#
- 1...Bc1
- 2.Rxf5#
- 2.Qd4#
- 1...Bd2
- 2.Rxf5#
- 2.Qd4#
- 1...Be3
- 2.Rxf5#
- 1...Bf4
- 2.Rxf5#
- 2.Qd4#
- 1...Bh4
- 2.Rxf5#
- 2.Qd4#
- 1...Bf6
- 2.Rxf5#
- 2.Qd4#
- 2.Qc5#
- 1...Bh6
- 2.Rxf5#
- 2.Qd4#
- 1...Be7
- 2.Rxf5#
- 2.Qd4#
- 1...Se3
- 2.Qd4#
- 1...Sh4
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sb7
- 2.Qe6#
- 1...Sf7
- 2.Qe6#
- 1...Sc6!
- 1...Sd4
- 1.Ka2?
- 1...Sd4
- 2.Qxd4#
- 1...Sd6
- 2.Qd4#
- 2.Qb2#
- 1...Se6
- 2.Qxe6#
- 1...Bc1
- 2.Rxf5#
- 2.Qd4#
- 1...Bd2
- 2.Rxf5#
- 2.Qd4#
- 1...Be3
- 2.Rxf5#
- 1...Bf4
- 2.Rxf5#
- 2.Qd4#
- 1...Bh4
- 2.Rxf5#
- 2.Qd4#
- 1...Bf6
- 2.Rxf5#
- 2.Qd4#
- 2.Qc5#
- 1...Bh6
- 2.Rxf5#
- 2.Qd4#
- 1...Be7
- 2.Rxf5#
- 2.Qd4#
- 1...Se3
- 2.Qd4#
- 1...Sh4
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sb7
- 2.Qe6#
- 1...Sf7
- 2.Qe6#
- 1...Sc6!
- 1...Sd4
- 1.Se1?
- threat
- 2.Sd3#
- 2.Sf3#
- 1...Sd4
- 2.Qxd4#
- 1...Sd6
- 2.Qd4#
- 2.Qb2#
- 1...Se6
- 2.Qxe6#
- 1...Sh4
- 2.Sd3#
- 2.Qd4#
- 1...Sc6!
- threat
- 1.Se3?
- threat
- 2.Sg4#
- 1...Bxe3
- 2.Rxf5#
- 1...Sxe3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sd6
- 2.Qd4#
- 2.Qb2#
- 1...Sh4
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sc6!
- threat
- 1.Sf4?
- threat
- 2.Sd3#
- 2.Sg6#
- 1...Bxf4
- 2.Rxf5#
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sd6
- 2.Qd4#
- 2.Qb2#
- 1...Se6
- 2.Qxe6#
- 1...Sh4
- 2.Sd3#
- 2.Qd4#
- 1...Se7
- 2.Sd3#
- 2.Qd4#
- 1...Sc6!
- threat
- 1.Sh4?
- threat
- 2.Sf3#
- 2.Sg6#
- 1...Bxh4
- 2.Rxf5#
- 2.Qd4#
- 1...Sxh4
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sd6
- 2.Qd4#
- 2.Qb2#
- 1...Se6
- 2.Qxe6#
- 1...Se7
- 2.Sf3#
- 2.Qd4#
- 1...Sc6!
- threat
- 1.Bg4?
- 1...Sd4
- 2.Qxd4#
- 1...Sd6
- 2.Qd4#
- 2.Qb2#
- 1...Se6
- 2.Qxe6#
- 1...Bc1
- 2.Rxf5#
- 2.Qd4#
- 1...Bd2
- 2.Rxf5#
- 2.Qd4#
- 1...Be3
- 2.Rxf5#
- 1...Bf4
- 2.Rxf5#
- 2.Qd4#
- 1...Bh4
- 2.Rxf5#
- 2.Qd4#
- 1...Bf6
- 2.Rxf5#
- 2.Qd4#
- 2.Qc5#
- 1...Bh6
- 2.Rxf5#
- 2.Qd4#
- 1...Be7
- 2.Rxf5#
- 2.Qd4#
- 1...Se3
- 2.Qd4#
- 1...Sh4
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sb7
- 2.Qe6#
- 1...Sf7
- 2.Qe6#
- 1...Sc6!
- 1...Sd4
- 1.Ra4?
- 1...Sd4
- 2.Qxd4#
- 1...Sd6
- 2.Qd4#
- 2.Qb2#
- 1...Se6
- 2.Qxe6#
- 1...Bc1
- 2.Rxf5#
- 2.Qd4#
- 1...Bd2
- 2.Rxf5#
- 2.Qd4#
- 1...Be3
- 2.Rxf5#
- 1...Bf4
- 2.Rxf5#
- 2.Qd4#
- 1...Bh4
- 2.Rxf5#
- 2.Qd4#
- 1...Bf6
- 2.Rxf5#
- 2.Qd4#
- 2.Qc5#
- 1...Bh6
- 2.Rxf5#
- 2.Qd4#
- 1...Be7
- 2.Rxf5#
- 2.Qd4#
- 1...Se3
- 2.Qd4#
- 1...Sh4
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sb7
- 2.Qe6#
- 1...Sf7
- 2.Qe6#
- 1...Sc6!
- 1...Sd4
- 1.Rb4?
- 1...Sd4
- 2.Qxd4#
- 1...Sd6
- 2.Qd4#
- 1...Se6
- 2.Qxe6#
- 1...Bc1
- 2.Rxf5#
- 2.Qd4#
- 1...Bd2
- 2.Rxf5#
- 2.Qd4#
- 1...Be3
- 2.Rxf5#
- 1...Bf4
- 2.Rxf5#
- 2.Qd4#
- 1...Bh4
- 2.Rxf5#
- 2.Qd4#
- 1...Bf6
- 2.Rxf5#
- 2.Qd4#
- 2.Qc5#
- 1...Bh6
- 2.Rxf5#
- 2.Qd4#
- 1...Be7
- 2.Rxf5#
- 2.Qd4#
- 1...Se3
- 2.Qd4#
- 1...Sh4
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sb7
- 2.Qe6#
- 1...Sf7
- 2.Qe6#
- 1...Sc6!
- 1...Sd4
- 1.Rxg5?
- threat
- 2.Rxf5#
- 2.Qd4#
- 1...Se6
- 2.Rxf5#
- 2.Qxe6#
- 1...Sc6!
- threat
- 1.Qb2+?
- 1...Sd4
- 2.Qxd4#
- 1...Kd6!
- 1...Sd4
- 1.Kb1?
- Keys
- 1.Qg6!
- 1...Bf6
- 2.Qxg3#
- 1...Se6
- 2.Qxe6#
- 1...Bc1
- 2.Rxf5#
- 1...Bd2
- 2.Rxf5#
- 1...Be3
- 2.Rxf5#
- 1...Bf4
- 2.Rxf5#
- 1...Bh4
- 2.Rxf5#
- 1...Bh6
- 2.Rxf5#
- 1...Be7
- 2.Rxf5#
- 1...Se3
- 2.Re4#
- 1...Sd4
- 2.Rc5#
- 1...Sh4
- 2.Re4#
- 1...Sd6
- 2.Qg7#
- 1...Sh6
- 2.Re4#
- 1...Se7
- 2.Re4#
- 1...Sg7
- 2.Re4#
- 1...Sc6
- 2.Qe6#
- 1...Sb7
- 2.Qe6#
- 1...Sf7
- 2.Qe6#
- 1...Bf6
- 1.Qg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 6
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- B(d);OGATE,P_SPINS(c)::R1(E),XS(c)
- S(c);N_GUARD,P_SPINB(d)::QAB1(F)
- S(c);N_GUARD,P_SPINB(d)::QAB1(F),XS(c)
- S(e);N_GUARD::QAR1(F),XS(e)
- S(e);N_GUARD::QAR1(F)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(c);N_GUARD,P_SPINB(d)::QAB1(F),XS(c)
- S(e);N_GUARD::QAR1(F),XS(e)
- B(d);OGATE,P_SPINS(c)::R1(E),XS(c)
- S(c);N_GUARD,P_SPINB(d)::QAB1(F)
- S(e);N_GUARD::QAR1(F)
- Refutation
- S(e);
- Try
- K(A);P-FLIGHT
- Vars
- S(c);N_GUARD,P_SPINB(d)::QAB1(F),XS(c)
- S(e);N_GUARD::QAR1(F),XS(e)
- B(d);OGATE,P_SPINS(c)::R1(E),XS(c)
- S(c);N_GUARD,P_SPINB(d)::QAB1(F)
- S(e);N_GUARD::QAR1(F)
- Refutation
- S(e);
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- S(c);N_GUARD,P_SPINB(d)::QAB1(F),XS(c)
- S(e);N_GUARD::QAR1(F),XS(e)
- Refutation
- S(e);
- Try
- S(B);
- Threat
- S(B)
- Vars
- B(d);OGATE,P_SPINS(c),XS(B)::R1(E),XS(c)
- S(c);N_GUARD,P_SPINB(d),XS(B)::QAB1(F)
- S(c);N_GUARD,P_SPINB(d)::QAB1(F),XS(c)
- S(c);N_GUARD,P_SPINB(d)::QAB1(F)
- Refutation
- S(e);
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- S(c);N_GUARD,P_SPINB(d)::QAB1(F),XS(c)
- S(e);N_GUARD::QAR1(F),XS(e)
- Refutation
- S(e);
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- S(c);N_GUARD,P_SPINB(d),XS(B)::QAB1(F)
- S(c);N_GUARD,P_SPINB(d)::QAB1(F),XS(c)
- S(e);N_GUARD::QAR1(F),XS(e)
- Refutation
- S(e);
- Try
- B(C);
- Vars
- S(c);N_GUARD,P_SPINB(d)::QAB1(F),XS(c)
- S(e);N_GUARD::QAR1(F),XS(e)
- B(d);OGATE,P_SPINS(c)::R1(E),XS(c)
- S(c);N_GUARD,P_SPINB(d)::QAB1(F)
- S(e);N_GUARD::QAR1(F)
- Refutation
- S(e);
- Try
- R(D);
- Vars
- S(c);N_GUARD,P_SPINB(d)::QAB1(F),XS(c)
- S(e);N_GUARD::QAR1(F),XS(e)
- B(d);OGATE,P_SPINS(c)::R1(E),XS(c)
- S(c);N_GUARD,P_SPINB(d)::QAB1(F)
- S(e);N_GUARD::QAR1(F)
- Refutation
- S(e);
- Try
- R(D);
- Vars
- S(c);N_GUARD,P_SPINB(d)::QAB1(F),XS(c)
- S(c);N_GUARD,P_SPINB(d)::QAB1(F)
- S(e);N_GUARD::QAR1(F),XS(e)
- B(d);OGATE,P_SPINS(c)::R1(E),XS(c)
- S(e);N_GUARD::QAR1(F)
- Refutation
- S(e);
- Try
- R(E);P_PINS(c),XB(d)
- Threat
- DUALS(2)
- Refutation
- S(e);
- Try
- Q(F);CHECK
- Vars
- S(c);N_GUARD,P_SPINB(d),P_SPINS(c)::QAB1(F),XS(c)
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- Q(F);
- Vars
- B(d);OGATE,P_SPINS(c),SBLOCK::QAB(F),XP(a)
- S(e);N_GUARD::QAR1(F),XS(e)
- B(d);OGATE,P_SPINS(c)::R1(E),XS(c)
- S(c);P_SPINB(d)::R1(D)
- S(c);P_SPINB(d),SBLOCK::R(D)
- S(c);N_GUARD,P_SPINB(d),SBLOCK::QAB(F)
- S(e);N_GUARD::QAR1(F)
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).