MESON Chess Problem Database
Problem Display
PID: 6813 (8/3p4/3P1p1K/3k1b1R/P1Rn4/2PpQ2p/P2P3B/5N2 w - - 0 1)
Warton, Joseph John
Sunday Times, 1933
#2
11 + 7
SOLUTION
- SOUND
- Sets
- 1...Kxc4
- 2.Qxd4#
- 1...Sc2
- 2.Rc5#
- 2.Qe4#
- 1...Se2
- 2.Rc5#
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sf3
- 2.Rc5#
- 2.Qe4#
- 1...Sb5
- 2.Rc5#
- 2.Qe4#
- 1...Sc6
- 2.Rc5#
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...Kxc4
- Tries
- 1.Kg7?
- 1...Kxc4
- 2.Qxd4#
- 1...Sc2
- 2.Rc5#
- 2.Qe4#
- 1...Se2
- 2.Rc5#
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sf3
- 2.Rc5#
- 2.Qe4#
- 1...Sb5
- 2.Rc5#
- 2.Qe4#
- 1...Sc6
- 2.Rc5#
- 2.Qe4#
- 1...Se6+!
- 1...Kxc4
- 1.Bg3?
- 1...Kxc4
- 2.Qxd4#
- 1...Sc2
- 2.Rc5#
- 2.Qe4#
- 1...Se2
- 2.Rc5#
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sf3
- 2.Rc5#
- 2.Qe4#
- 1...Sb5
- 2.Rc5#
- 2.Qe4#
- 1...Sc6
- 2.Rc5#
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...h2!
- 1...Kxc4
- 1.Bf4?
- 1...Kxc4
- 2.Qxd4#
- 1...Sc2
- 2.Rc5#
- 2.Qe4#
- 1...Se2
- 2.Rc5#
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sf3
- 2.Rc5#
- 2.Qe4#
- 1...Sb5
- 2.Rc5#
- 2.Qe4#
- 1...Sc6
- 2.Rc5#
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...h2!
- 1...Kxc4
- 1.Rxf5+?
- 1...Kxc4
- 2.Qxd4#
- 1...Sxf5+!
- 1...Kxc4
- 1.Rg5?
- 1...Kxc4
- 2.Qxd4#
- 1...Sc2
- 2.Rc5#
- 2.Qe4#
- 1...Se2
- 2.Rc5#
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sf3
- 2.Rc5#
- 2.Qe4#
- 1...Sb5
- 2.Rc5#
- 2.Qe4#
- 1...Sc6
- 2.Rc5#
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...fxg5!
- 1...Kxc4
- 1.Qf4?
- 1...Kxc4
- 2.Qxd4#
- 1...Sc2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sf3
- 2.Qe4#
- 1...Sb5
- 2.Qe4#
- 1...Sc6
- 2.Qe4#
- 1...Se6
- 2.Se3#
- 2.Rxf5#
- 2.Qe4#
- 1...Ke6!
- 1...Kxc4
- 1.Qg3?
- 1...Ke4
- 2.Rxd4#
- 1...Ke6
- 2.Qg8#
- 1...Sc2
- 2.Qg8#
- 1...Se2
- 2.Qg8#
- 1...Sb3
- 2.Qg8#
- 1...Sf3
- 2.Qg8#
- 1...Sb5
- 2.Qg8#
- 1...Sc6
- 2.Qg8#
- 1...Se6
- 2.Se3#
- 1...Kxc4!
- 1...Ke4
- 1.Qe4+?
- 1...Kxc4
- 2.Qxd4#
- 1...Kxe4!
- 1...Kxc4
- 1.Qe5+?
- 1...Kxc4
- 2.Se3#
- 2.Qxd4#
- 1...fxe5!
- 1...Kxc4
- 1.Qe7?
- threat
- 2.Se3#
- 1...Sc2
- 2.Qe4#
- 2.Qf7#
- 1...Kxc4!
- threat
- 1.Qe8?
- threat
- 2.Se3#
- 1...Sc2
- 2.Qf7#
- 2.Qe4#
- 2.Qg8#
- 1...Kxc4!
- threat
- 1.a3?
- 1...Sc2
- 2.Rc5#
- 2.Qe4#
- 1...Se2
- 2.Rc5#
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sf3
- 2.Rc5#
- 2.Qe4#
- 1...Sb5
- 2.Rc5#
- 2.Qe4#
- 1...Sc6
- 2.Rc5#
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...Kxc4!
- 1...Sc2
- 1.a5?
- 1...Sc2
- 2.Rc5#
- 2.Qe4#
- 1...Se2
- 2.Rc5#
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sf3
- 2.Rc5#
- 2.Qe4#
- 1...Sb5
- 2.Rc5#
- 2.Qe4#
- 1...Sc6
- 2.Rc5#
- 2.Qe4#
- 1...Se6
- 2.Qe4#
- 1...Kxc4!
- 1...Sc2
- 1.Kg7?
- Keys
- 1.Qg1!
- 1...Kxc4
- 2.Qxd4#
- 1...Ke4
- 2.Qh1#
- 1...Ke6
- 2.Qg8#
- 1...Sc2
- 2.Qg8#
- 1...Se2
- 2.Qg8#
- 1...Sb3
- 2.Qg8#
- 1...Sf3
- 2.Qg8#
- 1...Sb5
- 2.Qg8#
- 1...Sc6
- 2.Qg8#
- 1...Se6
- 2.Se3#
- 1...Kxc4
- 1.Qg1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- K(d);N_SPINB(e),S_FLIGHT,XR(H)::QAR1(F),XS(c)
- S(c);::QAB1(F)
- Tries
- Try
- K(K);S_FLIGHT
- Vars
- K(d);N_SPINB(e),S_FLIGHT,XR(H)::QAR1(F),XS(c)
- S(c);::QAB1(F)
- Refutation
- S(c);CHECK
- Try
- B(D);
- Vars
- K(d);N_SPINB(e),S_FLIGHT,XR(H)::QAR1(F),XS(c)
- S(c);::QAB1(F)
- Refutation
- P(b);
- Try
- B(D);
- Vars
- K(d);N_SPINB(e),S_FLIGHT,XR(H)::QAR1(F),XS(c)
- S(c);::QAB1(F)
- Refutation
- P(b);
- Try
- R(I);CHECK,XB(e)
- Vars
- K(d);S_FLIGHT,XR(H)::QAR1(F),XS(c)
- Refutation
- S(c);CHECK,XR(I)
- Try
- R(I);
- Vars
- K(d);N_SPINB(e),S_FLIGHT,XR(H)::QAR1(F),XS(c)
- S(c);::QAB1(F)
- Refutation
- P(f);N_SPINB(e),XR(I)
- Try
- Q(F);
- Vars
- K(d);N_SPINB(e),P_SPINS(c),S_FLIGHT,XR(H)::QAR1(F),XS(c)
- S(c);::QAB1(F)
- Refutation
- K(d);N_SPINB(e),S_FLIGHT
- Try
- Q(F);
- Vars
- K(d);N_SPINB(e),P_SPINS(c),S_FLIGHT::R1(H),XS(c)
- K(d);N_SPINB(e),S_FLIGHT::QAB(F)
- S(c);N_GUARD::QAB(F)
- S(c);SBLOCK::S(A)
- Refutation
- K(d);N_SPINB(e),S_FLIGHT,XR(H)
- Try
- Q(F);CHECK
- Vars
- K(d);N_SPINB(e),P_SPINS(c),S_FLIGHT,XR(H)::QAR1(F),XS(c)
- Refutation
- K(d);N_SPINB(e),P_SPINS(c),S_FLIGHT,XQ(F)
- Try
- Q(F);CHECK,N_PINB(e)
- Refutation
- P(f);XQ(F)
- Try
- Q(F);
- Threat
- S(A)
- Refutation
- K(d);N_SPINB(e),S_FLIGHT,XR(H)
- Try
- Q(F);
- Threat
- S(A)
- Refutation
- K(d);N_SPINB(e),S_FLIGHT,XR(H)
- Try
- P(B);
- Vars
- S(c);::QAB1(F)
- Refutation
- K(d);N_SPINB(e),S_FLIGHT,XR(H)
- Try
- P(G);
- Vars
- S(c);::QAB1(F)
- Refutation
- K(d);N_SPINB(e),S_FLIGHT,XR(H)
- Try
- Actual
- Q(F);
- Vars
- K(d);N_SPINB(e),S_FLIGHT,XR(H)::QAR1(F),XS(c)
- K(d);N_SPINB(e),P_SPINS(c),S_FLIGHT::QAB(F)
- K(d);N_SPINB(e),S_FLIGHT::QAB(F)
- S(c);N_GUARD::QAB(F)
- S(c);SBLOCK::S(A)
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).