MESON Chess Problem Database
Problem Display
PID: 219213 (5rb1/8/nQ6/3pkPP1/6RN/K7/8/8 w - - 0 1)
Mosely, Arthur James
British Chess Magazine, 1923
#2
6 + 5
SOLUTION
- SOUND
- Sets
- 1...Rxf5
- 2.Sg6#
- 1...Rf6
- 2.Qxf6#
- 1...Rf7
- 2.Qe6#
- 1...Ra8
- 2.Qf6#
- 1...Rb8
- 2.Qf6#
- 1...Rc8
- 2.Qf6#
- 1...Rd8
- 2.Qf6#
- 1...Re8
- 2.Qf6#
- 1...Be6
- 2.Qxe6#
- 1...Bf7
- 2.Qf6#
- 1...Bh7
- 2.Qe6#
- 1...Sb4
- 2.Qc7#
- 1...Sc5
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Sb8
- 2.Qc7#
- 1...d4
- 2.Qxd4#
- 1...Rxf5
- Tries
- 1.Kb2?
- 1...Rxf5
- 2.Sg6#
- 1...d4
- 2.Qxd4#
- 1...Rf6
- 2.Qxf6#
- 1...Rf7
- 2.Qe6#
- 1...Ra8
- 2.Qf6#
- 1...Rc8
- 2.Qf6#
- 1...Rd8
- 2.Qf6#
- 1...Re8
- 2.Qf6#
- 1...Be6
- 2.Qxe6#
- 1...Bf7
- 2.Qf6#
- 1...Bh7
- 2.Qe6#
- 1...Sb4
- 2.Qc7#
- 1...Sc5
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Sb8
- 2.Qc7#
- 1...Rb8!
- 1...Rxf5
- 1.Ka4?
- 1...Rxf5
- 2.Sg6#
- 1...d4
- 2.Qxd4#
- 1...Rf6
- 2.Qxf6#
- 1...Rf7
- 2.Qe6#
- 1...Ra8
- 2.Qf6#
- 1...Rb8
- 2.Qf6#
- 1...Rc8
- 2.Qf6#
- 1...Rd8
- 2.Qf6#
- 1...Re8
- 2.Qf6#
- 1...Be6
- 2.Qxe6#
- 1...Bf7
- 2.Qf6#
- 1...Bh7
- 2.Qe6#
- 1...Sb4
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Sb8
- 2.Qc7#
- 1...Sc5+!
- 1...Rxf5
- 1.Ra4?
- 1...Rxf5
- 2.Sg6#
- 1...d4
- 2.Qxd4#
- 1...Rf6
- 2.Qxf6#
- 1...Rf7
- 2.Qe6#
- 1...Ra8
- 2.Qf6#
- 1...Rb8
- 2.Qf6#
- 1...Rc8
- 2.Qf6#
- 1...Rd8
- 2.Qf6#
- 1...Re8
- 2.Qf6#
- 1...Be6
- 2.Qxe6#
- 1...Bf7
- 2.Qf6#
- 1...Bh7
- 2.Qe6#
- 1...Sc5
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Sb8
- 2.Qc7#
- 1...Sb4!
- 1...Rxf5
- 1.Rb4?
- 1...Rxf5
- 2.Sg6#
- 1...d4
- 2.Qxd4#
- 1...Rf6
- 2.Qxf6#
- 1...Rf7
- 2.Qe6#
- 1...Ra8
- 2.Qf6#
- 1...Rb8
- 2.Qf6#
- 1...Rc8
- 2.Qf6#
- 1...Rd8
- 2.Qf6#
- 1...Re8
- 2.Qf6#
- 1...Be6
- 2.Qxe6#
- 1...Bf7
- 2.Qf6#
- 1...Bh7
- 2.Qe6#
- 1...Sc5
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Sb8
- 2.Qc7#
- 1...Sxb4!
- 1...Rxf5
- 1.Rc4?
- 1...Rxf5
- 2.Sg6#
- 1...d4
- 2.Qxd4#
- 1...Rf6
- 2.Qxf6#
- 1...Rf7
- 2.Qe6#
- 1...Ra8
- 2.Qf6#
- 1...Rb8
- 2.Qf6#
- 1...Rc8
- 2.Qf6#
- 1...Rd8
- 2.Qf6#
- 1...Re8
- 2.Qf6#
- 1...Be6
- 2.Qxe6#
- 1...Bf7
- 2.Qf6#
- 1...Bh7
- 2.Qe6#
- 1...Sb4
- 2.Qc7#
- 1...Sc5
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Sb8
- 2.Qc7#
- 1...dxc4!
- 1...Rxf5
- 1.Qb2+?
- 1...d4
- 2.Qxd4#
- 1...Kd6!
- 1...d4
- 1.Kb2?
- Keys
- 1.Qc6!
- 1...Rxf5
- 2.Sg6#
- 1...Rf6
- 2.Qxf6#
- 1...Rf7
- 2.Qe6#
- 1...Ra8
- 2.Qf6#
- 1...Rb8
- 2.Qf6#
- 1...Rc8
- 2.Qf6#
- 1...Rd8
- 2.Qf6#
- 1...Re8
- 2.Qf6#
- 1...Be6
- 2.Qxe6#
- 1...Bf7
- 2.Qf6#
- 1...Bh7
- 2.Qe6#
- 1...Sb4
- 2.Qc7#
- 1...Sc5
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Sb8
- 2.Qc7#
- 1...d4
- 2.Re4#
- 1...Rxf5
- 1.Qc6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(d);SBLOCK,XP(D)::S(C)
- R(d);N_GUARD::QAB1(F),XR(d)
- R(d);S_CUTB(e)::QAR1(F)
- R(d);N_GUARD::QAB1(F)
- B(e);N_GUARD::QAR1(F),XB(e)
- B(e);S_CUTR(d)::QAB1(F)
- B(e);N_GUARD::QAR1(F)
- S(c);N_GUARD::QAB(F)
- S(c);N_GUARD::QAB(F),XS(c)
- P(a);::QAB1(F),XP(a)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- R(d);SBLOCK,XP(D)::S(C)
- P(a);::QAB1(F),XP(a)
- R(d);N_GUARD::QAB1(F),XR(d)
- R(d);S_CUTB(e)::QAR1(F)
- R(d);N_GUARD::QAB1(F)
- B(e);N_GUARD::QAR1(F),XB(e)
- B(e);S_CUTR(d)::QAB1(F)
- B(e);N_GUARD::QAR1(F)
- S(c);N_GUARD::QAB(F)
- S(c);N_GUARD::QAB(F),XS(c)
- Refutation
- R(d);P_PINQ(F)
- Try
- K(A);P-FLIGHT
- Vars
- R(d);SBLOCK,XP(D)::S(C)
- P(a);::QAB1(F),XP(a)
- R(d);N_GUARD::QAB1(F),XR(d)
- R(d);S_CUTB(e)::QAR1(F)
- R(d);N_GUARD::QAB1(F)
- B(e);N_GUARD::QAR1(F),XB(e)
- B(e);S_CUTR(d)::QAB1(F)
- B(e);N_GUARD::QAR1(F)
- S(c);N_GUARD::QAB(F)
- S(c);N_GUARD::QAB(F),XS(c)
- Refutation
- S(c);CHECK
- Try
- R(B);
- Vars
- R(d);SBLOCK,XP(D)::S(C)
- P(a);::QAB1(F),XP(a)
- R(d);N_GUARD::QAB1(F),XR(d)
- R(d);S_CUTB(e)::QAR1(F)
- R(d);N_GUARD::QAB1(F)
- B(e);N_GUARD::QAR1(F),XB(e)
- B(e);S_CUTR(d)::QAB1(F)
- B(e);N_GUARD::QAR1(F)
- S(c);N_GUARD::QAB(F)
- S(c);N_GUARD::QAB(F),XS(c)
- Refutation
- S(c);
- Try
- R(B);
- Vars
- R(d);SBLOCK,XP(D)::S(C)
- P(a);::QAB1(F),XP(a)
- R(d);N_GUARD::QAB1(F),XR(d)
- R(d);S_CUTB(e)::QAR1(F)
- R(d);N_GUARD::QAB1(F)
- B(e);N_GUARD::QAR1(F),XB(e)
- B(e);S_CUTR(d)::QAB1(F)
- B(e);N_GUARD::QAR1(F)
- S(c);N_GUARD::QAB(F)
- S(c);N_GUARD::QAB(F),XS(c)
- Refutation
- S(c);XR(B)
- Try
- R(B);
- Vars
- R(d);SBLOCK,XP(D)::S(C)
- P(a);::QAB1(F),XP(a)
- R(d);N_GUARD::QAB1(F),XR(d)
- R(d);S_CUTB(e)::QAR1(F)
- R(d);N_GUARD::QAB1(F)
- B(e);N_GUARD::QAR1(F),XB(e)
- B(e);S_CUTR(d)::QAB1(F)
- B(e);N_GUARD::QAR1(F)
- S(c);N_GUARD::QAB(F)
- S(c);N_GUARD::QAB(F),XS(c)
- Refutation
- P(a);XR(B)
- Try
- Q(F);CHECK
- Vars
- P(a);P_SPINP(a)::QAB1(F),XP(a)
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- Q(F);
- Vars
- R(d);SBLOCK,XP(D)::S(C)
- R(d);N_GUARD::QAB1(F),XR(d)
- R(d);S_CUTB(e)::QAR1(F)
- R(d);N_GUARD::QAB1(F)
- B(e);N_GUARD::QAR1(F),XB(e)
- B(e);S_CUTR(d)::QAB1(F)
- B(e);N_GUARD::QAR1(F)
- S(c);N_GUARD::QAB(F)
- S(c);N_GUARD::QAB(F),XS(c)
- P(a);N_GUARD::R1(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).