MESON Chess Problem Database
Problem Display
PID: 62974 (nB1R4/2rp2n1/3kbRN1/6p1/2Q3P1/2KP3p/4P1rP/7B w - - 0 1)
Way, Charles F
Chess, 1944
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Qc6#
- 1...Rxe2
- 2.Qc6#
- 1...Rf2
- 2.Qc6#
- 1...Rxh2
- 2.Qc6#
- 1...Rg3
- 2.Qc6#
- 1...Rxg4
- 2.Qc6#
- 1...Sf5
- 2.Rxe6#
- 1...Sh5
- 2.Rxe6#
- 1...Se8
- 2.Rxe6#
- 1...Sb6
- 2.Bxc7#
- 1...Rg1
- Tries
- 1.Kb2?
- 1...Rxh2
- 2.Qd5#
- 2.Qb4#
- 2.Qd4#
- 2.Qc6#
- 1...Rxg4
- 2.Qd5#
- 2.Qc6#
- 1...Rg1
- 2.Qd5#
- 2.Qb4#
- 2.Qd4#
- 2.Qc6#
- 1...Rf2
- 2.Qd5#
- 2.Qb4#
- 2.Qd4#
- 2.Qc6#
- 1...Rg3
- 2.Qd5#
- 2.Qb4#
- 2.Qd4#
- 2.Qc6#
- 1...Sf5
- 2.Rxe6#
- 1...Sh5
- 2.Rxe6#
- 1...Se8
- 2.Rxe6#
- 1...Sb6
- 2.Bxc7#
- 1...Rxe2+!
- 1...Rxh2
- 1.Kc2?
- 1...Rxh2
- 2.Qc6#
- 1...Rxg4
- 2.Qc6#
- 1...Rg1
- 2.Qc6#
- 1...Rf2
- 2.Qc6#
- 1...Rg3
- 2.Qc6#
- 1...Sf5
- 2.Rxe6#
- 1...Sh5
- 2.Rxe6#
- 1...Se8
- 2.Rxe6#
- 1...Sb6
- 2.Bxc7#
- 1...Rxe2+!
- 1...Rxh2
- 1.Kd2?
- 1...Rxh2
- 2.Qd5#
- 2.Qb4#
- 2.Qd4#
- 2.Qc6#
- 1...Rxg4
- 2.Qd5#
- 2.Qc6#
- 1...Rg1
- 2.Qd5#
- 2.Qb4#
- 2.Qd4#
- 2.Qc6#
- 1...Rf2
- 2.Qd5#
- 2.Qb4#
- 2.Qd4#
- 2.Qc6#
- 1...Rg3
- 2.Qd5#
- 2.Qb4#
- 2.Qd4#
- 2.Qc6#
- 1...Sf5
- 2.Rxe6#
- 1...Sh5
- 2.Rxe6#
- 1...Se8
- 2.Rxe6#
- 1...Sb6
- 2.Bxc7#
- 1...Rxe2+!
- 1...Rxh2
- 1.Qxc7+?
- 1...Kd5
- 2.Se7#
- 2.Qd6#
- 2.Qc4#
- 2.e4#
- 1...Sxc7!
- 1...Kd5
- 1.e3?
- 1...Rxh2
- 2.Qc6#
- 1...Rxg4
- 2.Qc6#
- 1...Rg1
- 2.Qc6#
- 1...Ra2
- 2.Qc6#
- 1...Rb2
- 2.Qc6#
- 1...Rd2
- 2.Qc6#
- 1...Re2
- 2.Qc6#
- 1...Rf2
- 2.Qc6#
- 1...Rg3
- 2.Qc6#
- 1...Sf5
- 2.Rxe6#
- 1...Sh5
- 2.Rxe6#
- 1...Se8
- 2.Rxe6#
- 1...Sb6
- 2.Bxc7#
- 1...Rc2+!
- 1...Rxh2
- 1.Kb2?
- Keys
- 1.Kb3!
- 1...Rxe2
- 2.Qd5#
- 1...Rxh2
- 2.Qd5#
- 1...Rxg4
- 2.Qd5#
- 1...Rg1
- 2.Qd5#
- 1...Rf2
- 2.Qd5#
- 1...Rg3
- 2.Qd5#
- 1...Sf5
- 2.Rxe6#
- 1...Sh5
- 2.Rxe6#
- 1...Se8
- 2.Rxe6#
- 1...Sb6
- 2.Bxc7#
- 1...Rxe2
- 1.Kb3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(a);::QAR1(F)
- R(a);XP(B)::QAR1(F)
- R(a);XP(C)::QAR1(F)
- R(a);P_PINP(E)::QAR1(F)
- R(a);XP(G)::QAR1(F)
- S(h);N_GUARD::R1(H),XB(e)
- S(i);N_GUARD::B(J),XR(f)
- Tries
- Try
- K(D);N_SPINQ(F),P_SPINP(B),S_FLIGHT
- Vars
- S(h);N_GUARD::R1(H),XB(e)
- S(i);N_GUARD::B(J),XR(f)
- Refutation
- R(a);CHECK,XP(B)
- Try
- K(D);P-FLIGHT,P_SPINP(B)
- Vars
- R(a);XP(C)::QAR1(F)
- R(a);N_PINP(B),XP(G)::QAR1(F)
- R(a);N_PINP(B)::QAR1(F)
- R(a);::QAR1(F)
- S(h);N_GUARD::R1(H),XB(e)
- S(i);N_GUARD::B(J),XR(f)
- Refutation
- R(a);CHECK,XP(B)
- Try
- K(D);N_SPINQ(F),P_SPINP(B),S_FLIGHT
- Vars
- S(h);N_GUARD::R1(H),XB(e)
- S(i);N_GUARD::B(J),XR(f)
- Refutation
- R(a);CHECK,XP(B)
- Try
- Q(F);CHECK,N_SPINQ(F),XR(f)
- Refutation
- S(i);P_SPINS(i),XQ(F)
- Try
- P(B);
- Vars
- R(a);XP(C)::QAR1(F)
- R(a);XP(G)::QAR1(F)
- R(a);::QAR1(F)
- S(h);N_GUARD::R1(H),XB(e)
- S(i);N_GUARD::B(J),XR(f)
- Refutation
- R(a);CHECK
- Try
- Actual
- K(D);P-FLIGHT
- Vars
- R(a);XP(B)::QAR1(F)
- R(a);XP(C)::QAR1(F)
- R(a);XP(G)::QAR1(F)
- R(a);::QAR1(F)
- R(a);P_PINP(E)::QAR1(F)
- S(h);N_GUARD::R1(H),XB(e)
- S(i);N_GUARD::B(J),XR(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).