MESON Chess Problem Database
Problem Display
PID: 51365 (1KBR4/1P6/p1k4P/P2n1p2/P2pnP2/3N4/1R6/7Q w - - 0 1)
Morse, Christopher Jeremy
Manchester Guardian, 1958
#2
11 + 6
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Rb6#
- 2.Qxd5#
- 1...Sf2
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sec3
- 2.Rb6#
- 1...Sg3
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sc5
- 2.Sb4#
- 2.Se5#
- 2.Rb6#
- 2.Qxd5#
- 1...Sg5
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sd6
- 2.Bd7#
- 2.Rb6#
- 1...Sef6
- 2.Rc2#
- 2.Rb6#
- 1...Sdc3
- 2.Rb6#
- 1...Se3
- 2.Rb6#
- 1...Sxf4
- 2.Rc2#
- 2.Rb6#
- 1...Sb6
- 2.Rxb6#
- 1...Sdf6
- 2.Rc2#
- 2.Rb6#
- 1...Sc7
- 2.Rc2#
- 2.Rb6#
- 1...Se7
- 2.Rc2#
- 2.Rb6#
- 1...Sd2
- Tries
- 1.Bxf5?
- 1...Sxf4
- 2.Rc2#
- 2.Rb6#
- 1...Sec3
- 2.Rb6#
- 1...Sd2
- 2.Rb6#
- 2.Qxd5#
- 1...Sf2
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sg3
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sc5
- 2.Sb4#
- 2.Se5#
- 2.Rb6#
- 2.Qxd5#
- 1...Sg5
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sd6
- 2.Bd7#
- 2.Rb6#
- 1...Sef6
- 2.Rc2#
- 2.Rb6#
- 1...Sdc3
- 2.Rb6#
- 1...Se3
- 2.Rb6#
- 1...Sb6
- 2.Rxb6#
- 1...Sdf6
- 2.Rc2#
- 2.Rb6#
- 1...Sc7
- 2.Rc2#
- 2.Rb6#
- 1...Se7
- 2.Rc2#
- 2.Rb6#
- 1...Sb4!
- 1...Sxf4
- 1.Be6?
- threat
- 2.Bxd5#
- 1...Sxf4
- 2.Rc2#
- 2.Rb6#
- 1...Sec3
- 2.Rb6#
- 1...Sef6
- 2.Rc2#
- 2.Rb6#
- 1...Sdc3
- 2.Rb6#
- 1...Se3
- 2.Rb6#
- 1...Sb6
- 2.Rxb6#
- 1...Sdf6
- 2.Rc2#
- 2.Rb6#
- 1...Sc7
- 2.Rc2#
- 2.Rb6#
- 1...Se7
- 2.Rc2#
- 2.Rb6#
- 1...Sb4!
- threat
- 1.Rb1?
- 1...Sxf4
- 2.Rc1#
- 2.Rb6#
- 1...Sec3
- 2.Rb6#
- 1...Sd2
- 2.Rb6#
- 2.Qxd5#
- 1...Sf2
- 2.Rc1#
- 2.Rb6#
- 2.Qxd5#
- 1...Sg3
- 2.Rc1#
- 2.Rb6#
- 2.Qxd5#
- 1...Sc5
- 2.Sb4#
- 2.Se5#
- 2.Rb6#
- 2.Qxd5#
- 1...Sg5
- 2.Rc1#
- 2.Rb6#
- 2.Qxd5#
- 1...Sd6
- 2.Bd7#
- 2.Rb6#
- 1...Sef6
- 2.Rc1#
- 2.Rb6#
- 1...Sdc3
- 2.Rb6#
- 1...Se3
- 2.Rb6#
- 1...Sb6
- 2.Rxb6#
- 1...Sdf6
- 2.Rc1#
- 2.Rb6#
- 1...Sc7
- 2.Rc1#
- 2.Rb6#
- 1...Se7
- 2.Rc1#
- 2.Rb6#
- 1...Sb4!
- 1...Sxf4
- 1.Rc2+?
- 1...Sec3
- 2.Qxd5#
- 1...Sc5
- 2.Sb4#
- 2.Se5#
- 2.Rxc5#
- 2.Qxd5#
- 1...Sdc3!
- 1...Sec3
- 1.Rb3?
- 1...Sxf4
- 2.Rb6#
- 1...Sec3
- 2.Rb6#
- 1...Sd2
- 2.Rb6#
- 2.Qxd5#
- 1...Sf2
- 2.Rb6#
- 2.Qxd5#
- 1...Sg3
- 2.Rb6#
- 2.Qxd5#
- 1...Sc5
- 2.Sb4#
- 2.Se5#
- 2.Rb6#
- 2.Qxd5#
- 1...Sg5
- 2.Rb6#
- 2.Qxd5#
- 1...Sd6
- 2.Bd7#
- 2.Rb6#
- 1...Sef6
- 2.Rb6#
- 1...Sdc3
- 2.Rb6#
- 1...Se3
- 2.Rb6#
- 1...Sb6
- 2.Rxb6#
- 1...Sdf6
- 2.Rb6#
- 1...Sc7
- 2.Rb6#
- 1...Se7
- 2.Rb6#
- 1...Sb4!
- 1...Sxf4
- 1.Rb4?
- 1...Sxf4
- 2.Rc4#
- 2.Rb6#
- 1...Sec3
- 2.Rc4#
- 2.Rb6#
- 1...Sd2
- 2.Rb6#
- 2.Qxd5#
- 1...Sf2
- 2.Rc4#
- 2.Rb6#
- 2.Qxd5#
- 1...Sg3
- 2.Rc4#
- 2.Rb6#
- 2.Qxd5#
- 1...Sc5
- 2.Se5#
- 2.Rb6#
- 2.Qxd5#
- 1...Sg5
- 2.Rc4#
- 2.Rb6#
- 2.Qxd5#
- 1...Sd6
- 2.Bd7#
- 2.Rb6#
- 1...Sef6
- 2.Rc4#
- 2.Rb6#
- 1...Sdc3
- 2.Rc4#
- 2.Rb6#
- 1...Se3
- 2.Rb6#
- 1...Sb6
- 2.Rxb6#
- 1...Sdf6
- 2.Rc4#
- 2.Rb6#
- 1...Sc7
- 2.Rc4#
- 2.Rb6#
- 1...Se7
- 2.Rc4#
- 2.Rb6#
- 1...Sxb4!
- 1...Sxf4
- 1.Rd6+?
- 1...Sxd6
- 2.Rb6#
- 1...Kxd6!
- 1...Sxd6
- 1.Rd7?
- 1...Sxf4
- 2.Rc2#
- 2.Rb6#
- 1...Sec3
- 2.Rb6#
- 1...Sd2
- 2.Rb6#
- 2.Qxd5#
- 1...Sf2
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sg3
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sc5
- 2.Sb4#
- 2.Se5#
- 2.Rb6#
- 2.Qxd5#
- 1...Sg5
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sd6
- 2.Rb6#
- 2.Rc7#
- 1...Sef6
- 2.Rc2#
- 2.Rb6#
- 1...Sdc3
- 2.Rb6#
- 1...Se3
- 2.Rb6#
- 1...Sb6
- 2.Rxb6#
- 1...Sdf6
- 2.Rc2#
- 2.Rb6#
- 1...Sc7
- 2.Rc2#
- 2.Rb6#
- 1...Se7
- 2.Rc2#
- 2.Rb6#
- 1...Sb4!
- 1...Sxf4
- 1.Qg2?
- 1...Sxf4
- 2.Rc2#
- 2.Rb6#
- 1...Sec3
- 2.Rb6#
- 1...Sd2
- 2.Rb6#
- 2.Qxd5#
- 1...Sf2
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sg3
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sc5
- 2.Sb4#
- 2.Se5#
- 2.Rb6#
- 2.Qxd5#
- 1...Sg5
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sd6
- 2.Bd7#
- 2.Rb6#
- 1...Sef6
- 2.Rc2#
- 2.Rb6#
- 1...Sdc3
- 2.Rb6#
- 1...Se3
- 2.Rb6#
- 1...Sb6
- 2.Rxb6#
- 1...Sdf6
- 2.Rc2#
- 2.Rb6#
- 1...Sc7
- 2.Rc2#
- 2.Rb6#
- 1...Se7
- 2.Rc2#
- 2.Rb6#
- 1...Sb4!
- 1...Sxf4
- 1.Qf3?
- 1...Sxf4
- 2.Rc2#
- 2.Rb6#
- 1...Sec3
- 2.Rb6#
- 1...Sd2
- 2.Rb6#
- 2.Qxd5#
- 1...Sf2
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sg3
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sc5
- 2.Sb4#
- 2.Se5#
- 2.Rb6#
- 2.Qxd5#
- 1...Sg5
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sd6
- 2.Bd7#
- 2.Rb6#
- 1...Sef6
- 2.Rc2#
- 2.Rb6#
- 1...Sdc3
- 2.Rb6#
- 1...Se3
- 2.Rb6#
- 1...Sb6
- 2.Rxb6#
- 1...Sdf6
- 2.Rc2#
- 2.Rb6#
- 1...Sc7
- 2.Rc2#
- 2.Rb6#
- 1...Se7
- 2.Rc2#
- 2.Rb6#
- 1...Sb4!
- 1...Sxf4
- 1.Qc1+?
- 1...Sc5
- 2.Se5#
- 2.Qxc5#
- 1...Sdc3
- 2.Rb6#
- 1...Sec3!
- 1...Sc5
- 1.Qe1?
- 1...Sxf4
- 2.Rb6#
- 1...Sec3
- 2.Qe6#
- 2.Qe8#
- 1...Sd2
- 2.Qe6#
- 2.Qe8#
- 1...Sf2
- 2.Qe6#
- 2.Qe8#
- 1...Sg3
- 2.Qe6#
- 2.Qe8#
- 1...Sc5
- 2.Se5#
- 1...Sg5
- 2.Qe8#
- 1...Sd6
- 2.Bd7#
- 1...Sef6
- 2.Qe6#
- 1...Sdc3
- 2.Rb6#
- 1...Se3
- 2.Rb6#
- 1...Sb6
- 2.Rxb6#
- 1...Sdf6
- 2.Rb6#
- 1...Sc7
- 2.Rb6#
- 1...Se7
- 2.Rb6#
- 1...Sb4!
- 1...Sxf4
- 1.Qh5?
- threat
- 2.Qe8#
- 1...Sc5
- 2.Se5#
- 1...Sd6
- 2.Bd7#
- 1...Sb6
- 2.Rxb6#
- 1...Sdf6
- 2.Rb6#
- 1...Sc7
- 2.Rb6#
- 1...Sef6!
- threat
- 1.h7?
- 1...Sxf4
- 2.Rc2#
- 2.Rb6#
- 1...Sec3
- 2.Rb6#
- 1...Sd2
- 2.Rb6#
- 2.Qxd5#
- 1...Sf2
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sg3
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sc5
- 2.Sb4#
- 2.Se5#
- 2.Rb6#
- 2.Qxd5#
- 1...Sg5
- 2.Rc2#
- 2.Rb6#
- 2.Qxd5#
- 1...Sd6
- 2.Bd7#
- 2.Rb6#
- 1...Sef6
- 2.Rc2#
- 2.Rb6#
- 1...Sdc3
- 2.Rb6#
- 1...Se3
- 2.Rb6#
- 1...Sb6
- 2.Rxb6#
- 1...Sdf6
- 2.Rc2#
- 2.Rb6#
- 1...Sc7
- 2.Rc2#
- 2.Rb6#
- 1...Se7
- 2.Rc2#
- 2.Rb6#
- 1...Sb4!
- 1...Sxf4
- 1.Bxf5?
- Keys
- 1.Rg2!
- 1...Sxf4
- 2.Rc2#
- 1...Sec3
- 2.Rg6#
- 1...Sd2
- 2.Rg6#
- 1...Sf2
- 2.Rg6#
- 1...Sg3
- 2.Rc2#
- 1...Sc5
- 2.Se5#
- 1...Sg5
- 2.Rc2#
- 1...Sd6
- 2.Bd7#
- 1...Sef6
- 2.Rc2#
- 1...Sdc3
- 2.Rg6#
- 1...Se3
- 2.Rg6#
- 1...Sb4
- 2.Rg6#
- 1...Sb6
- 2.Rg6#
- 1...Sdf6
- 2.Rc2#
- 1...Sc7
- 2.Rc2#
- 1...Se7
- 2.Rc2#
- 1...Sxf4
- 1.Rg2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- S(b);P_SPINS(c)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B),XS(c)
- Tries
- Try
- B(J);XP(d)
- Vars
- S(b);P_SPINS(c)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B),XS(c)
- Refutation
- S(c);P_SPINS(b)
- Try
- B(J);
- Threat
- B(J),XS(c)
- Vars
- S(b);P_SPINS(c)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B),XS(c)
- Refutation
- S(c);P_SPINS(b)
- Try
- R(B);
- Vars
- S(b);P_SPINS(c)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B),XS(c)
- Refutation
- S(c);P_SPINS(b)
- Try
- R(B);CHECK
- Vars
- S(b);OGATE,P_SPINS(b)::QAB1(A),XS(c)
- Refutation
- S(c);P_SPINS(c)
- Try
- R(B);
- Vars
- S(c);N_GUARD,P_SPINS(b),XP(E)::R1(B)
- S(b);P_SPINS(c)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B),XS(c)
- Refutation
- S(c);P_SPINS(b)
- Try
- R(B);
- Vars
- S(c);N_GUARD,P_SPINS(b)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B),XS(c)
- Refutation
- S(c);P_SPINS(b),XR(B)
- Try
- R(K);CHECK
- Vars
- S(b);P_SPINS(c),SBLOCK,XR(K)::R1(B)
- Refutation
- K(f);P-FLIGHT,XR(K)
- Try
- R(K);
- Vars
- S(b);P_SPINS(c)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B),XS(c)
- Refutation
- S(c);P_SPINS(b)
- Try
- Q(A);
- Vars
- S(b);P_SPINS(c)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B),XS(c)
- Refutation
- S(c);P_SPINS(b)
- Try
- Q(A);
- Vars
- S(b);P_SPINS(c)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B),XS(c)
- Refutation
- S(c);P_SPINS(b)
- Try
- Q(A);CHECK
- Vars
- S(c);P_SPINS(c)::R1(B)
- Refutation
- S(b);P_SPINS(b)
- Try
- Q(A);
- Vars
- S(c);N_GUARD,XP(E)::R1(B)
- S(b);SBLOCK::S(C)
- S(b);OGATE::QAB(A)
- S(b);SBLOCK::B(J)
- S(b);OGATE::QAR2(A)
- S(c);N_GUARD::R1(B)
- S(c);N_GUARD::R1(B),XS(c)
- Refutation
- S(c);
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- S(b);SBLOCK::S(C)
- S(b);SBLOCK::B(J)
- S(c);N_GUARD::R1(B),XS(c)
- S(c);N_GUARD::R1(B)
- Refutation
- S(b);
- Try
- P(G);
- Vars
- S(b);P_SPINS(c)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B)
- S(c);N_GUARD,P_SPINS(b)::R1(B),XS(c)
- Refutation
- S(c);P_SPINS(b)
- Try
- Actual
- R(B);
- Vars
- S(c);N_GUARD,S_CUTS(b),S_CUTS(b),XP(E)::R(B)
- S(b);N_GUARD,S_CUTS(c)::R(B)
- S(b);SBLOCK::S(C)
- S(b);SBLOCK::B(J)
- S(c);N_GUARD,S_CUTS(b),S_CUTS(b)::R(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).