MESON Chess Problem Database
Problem Display
PID: 21462 (5K2/5P1b/4p1pk/4N2r/4QP2/2p1n1N1/2P5/7R w - - 0 1)
Warton, Thomas Joseph
Fraternity Saturday, 1919
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Rxh1
- 2.Qxh1#
- 1...Rh2
- 2.Rxh2#
- 1...Rh3
- 2.Rxh3#
- 1...Rh4
- 2.Rxh4#
- 1...Bg8
- 2.Qxg6#
- 1...Sd1
- 2.Sg4#
- 1...Sf1
- 2.Sg4#
- 1...Sxc2
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sd5
- 2.Sg4#
- 1...Sf5
- 2.Sg4#
- 1...g5
- 2.Rxh5#
- 1...Rxh1
- Tries
- 1.Ke8?
- threat
- 2.f8Q#
- 2.f8B#
- 1...Kg7
- 2.f8Q#
- 1...Rxh1
- 2.f8Q#
- 2.f8B#
- 1...Sxc2
- 2.f8Q#
- 2.f8B#
- 1...Bg8
- 2.Qxg6#
- 1...Rh2
- 2.f8Q#
- 2.f8B#
- 1...Rh3
- 2.f8Q#
- 2.f8B#
- 1...Rh4
- 2.f8Q#
- 2.f8B#
- 1...Sd1
- 2.f8Q#
- 2.f8B#
- 1...Sf1
- 2.f8Q#
- 2.f8B#
- 1...Sg2
- 2.f8Q#
- 2.f8B#
- 1...Sc4
- 2.f8Q#
- 2.f8B#
- 1...Sg4
- 2.f8Q#
- 2.f8B#
- 1...Sd5
- 2.f8Q#
- 2.f8B#
- 1...g5
- 2.f8Q#
- 2.f8B#
- 1...Sf5!
- threat
- 1.Sf1?
- 1...Rxh1
- 2.Qxh1#
- 1...Sxf1
- 2.Sg4#
- 1...Sxc2
- 2.Sg4#
- 1...Rh2
- 2.Rxh2#
- 1...Rh3
- 2.Rxh3#
- 1...Rh4
- 2.Rxh4#
- 1...Bg8
- 2.Qxg6#
- 1...Sd1
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sd5
- 2.Sg4#
- 1...Sf5
- 2.Sg4#
- 1...g5!
- 1...Rxh1
- 1.Se2?
- 1...Rxh1
- 2.Qxh1#
- 1...Sxc2
- 2.Sg4#
- 1...Rh2
- 2.Rxh2#
- 1...Rh3
- 2.Rxh3#
- 1...Rh4
- 2.Rxh4#
- 1...Bg8
- 2.Qxg6#
- 1...Sd1
- 2.Sg4#
- 1...Sf1
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sd5
- 2.Sg4#
- 1...Sf5
- 2.Sg4#
- 1...g5!
- 1...Rxh1
- 1.Sxh5?
- threat
- 2.Sg3#
- 2.Sf6#
- 2.Sg7#
- 1...Sf1
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sf5
- 2.Sg4#
- 1...gxh5!
- threat
- 1.Rh2?
- 1...Sxc2
- 2.Sg4#
- 1...Bg8
- 2.Qxg6#
- 1...g5
- 2.Rxh5#
- 1...Rh3
- 2.Rxh3#
- 1...Rh4
- 2.Rxh4#
- 1...Sd1
- 2.Sg4#
- 1...Sf1
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sd5
- 2.Sg4#
- 1...Sf5
- 2.Sg4#
- 1...Rxh2!
- 1...Sxc2
- 1.Rh3?
- 1...Sxc2
- 2.Sg4#
- 1...Bg8
- 2.Qxg6#
- 1...g5
- 2.Rxh5#
- 1...Rh4
- 2.Rxh4#
- 1...Sd1
- 2.Sg4#
- 1...Sf1
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sd5
- 2.Sg4#
- 1...Sf5
- 2.Sg4#
- 1...Rxh3!
- 1...Sxc2
- 1.Rh4?
- 1...Sxc2
- 2.Sg4#
- 1...Bg8
- 2.Qxg6#
- 1...g5
- 2.Rxh5#
- 1...Sd1
- 2.Sg4#
- 1...Sf1
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sd5
- 2.Sg4#
- 1...Sf5
- 2.Sg4#
- 1...Rxh4!
- 1...Sxc2
- 1.Qg2?
- 1...Rxh1
- 2.Qxh1#
- 1...Sxc2
- 2.Sg4#
- 1...Sxg2
- 2.Sg4#
- 1...g5
- 2.Rxh5#
- 1...Rh2
- 2.Rxh2#
- 2.Qxh2#
- 1...Rh3
- 2.Rxh3#
- 2.Qxh3#
- 1...Rh4
- 2.Rxh4#
- 1...Sd1
- 2.Sg4#
- 1...Sf1
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sd5
- 2.Sg4#
- 1...Sf5
- 2.Sg4#
- 1...Bg8!
- 1...Rxh1
- 1.Qd3?
- 1...Sxc2
- 2.Sg4#
- 1...Bg8
- 2.Qxg6#
- 1...g5
- 2.Rxh5#
- 1...Rh2
- 2.Rxh2#
- 1...Rh3
- 2.Rxh3#
- 1...Rh4
- 2.Rxh4#
- 1...Sd1
- 2.Sg4#
- 1...Sf1
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sd5
- 2.Sg4#
- 1...Sf5
- 2.Sg4#
- 1...Rxh1!
- 1...Sxc2
- 1.Qf3?
- 1...Rxh1
- 2.Qxh1#
- 1...Sxc2
- 2.Sg4#
- 1...g5
- 2.Rxh5#
- 2.Qxh5#
- 1...Rh2
- 2.Rxh2#
- 1...Rh3
- 2.Rxh3#
- 1...Rh4
- 2.Rxh4#
- 1...Sd1
- 2.Sg4#
- 1...Sf1
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sd5
- 2.Sg4#
- 1...Sf5
- 2.Sg4#
- 1...Bg8!
- 1...Rxh1
- 1.Qf5?
- threat
- 2.Qg5#
- 1...Sxf5
- 2.Sg4#
- 1...gxf5
- 2.Rxh5#
- 1...Bg8
- 2.Qxg6#
- 1...g5
- 2.Rxh5#
- 2.Qxg5#
- 2.fxg5#
- 1...exf5!
- threat
- 1.Qc6?
- 1...Rxh1
- 2.Qxh1#
- 1...Sxc2
- 2.Sg4#
- 1...g5
- 2.Rxh5#
- 1...Rh2
- 2.Rxh2#
- 1...Rh3
- 2.Rxh3#
- 1...Rh4
- 2.Rxh4#
- 1...Sd1
- 2.Sg4#
- 1...Sf1
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sd5
- 2.Sg4#
- 1...Sf5
- 2.Sg4#
- 1...Bg8!
- 1...Rxh1
- 1.Qa8?
- 1...Rxh1
- 2.Qxh1#
- 1...Sxc2
- 2.Sg4#
- 1...g5
- 2.Rxh5#
- 1...Rh2
- 2.Rxh2#
- 1...Rh3
- 2.Rxh3#
- 1...Rh4
- 2.Rxh4#
- 1...Sd1
- 2.Sg4#
- 1...Sf1
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sd5
- 2.Sg4#
- 1...Sf5
- 2.Sg4#
- 1...Bg8!
- 1...Rxh1
- 1.Qxe3?
- threat
- 2.Sg4#
- 1...g5
- 2.Rxh5#
- 2.fxg5#
- 1...Bg8!
- threat
- 1.Ke8?
- Keys
- 1.Qb7!
- 1...Rxh1
- 2.Qxh1#
- 1...Sxc2
- 2.Sg4#
- 1...Bg8
- 2.fxg8S#
- 1...g5
- 2.Rxh5#
- 1...Rh2
- 2.Rxh2#
- 1...Rh3
- 2.Rxh3#
- 1...Rh4
- 2.Rxh4#
- 1...Sd1
- 2.Sg4#
- 1...Sf1
- 2.Sg4#
- 1...Sg2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sd5
- 2.Sg4#
- 1...Sf5
- 2.Sg4#
- 1...Rxh1
- 1.Qb7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(c);N_SPINR(c),OGATE,XR(A)::QAR(D),XR(c)
- R(c);OGATEB::R(A),XR(c)
- B(g);N_GUARD::QAR1(D),XP(e)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD,XP(B)::S(F)
- S(b);N_GUARD::S(F),XS(b)
- P(e);N_GUARD::R1(A),XR(c)
- Tries
- Try
- K(H);P-FLIGHT
- Threat
- P=Q
- Vars
- K(f);N_SPINR(c),S_FLIGHT::P=Q
- R(c);N_SPINR(c),XR(A)::P=Q
- S(b);XP(B)::P=Q
- B(g);N_GUARD::QAR1(D),XP(e)
- R(c);::P=Q
- S(b);::P=Q
- P(e);::P=Q
- Refutation
- S(b);
- Try
- S(C);
- Vars
- R(c);N_SPINR(c),OGATE,XR(A)::QAR(D),XR(c)
- S(b);N_GUARD,XS(C)::S(F)
- S(b);N_GUARD,XP(B)::S(F)
- R(c);OGATEB::R(A),XR(c)
- B(g);N_GUARD::QAR1(D),XP(e)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- P(e);
- Try
- S(C);
- Vars
- R(c);N_SPINR(c),OGATE,XR(A)::QAR(D),XR(c)
- S(b);N_GUARD,XP(B)::S(F)
- R(c);OGATEB::R(A),XR(c)
- B(g);N_GUARD::QAR1(D),XP(e)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- P(e);
- Try
- S(C);XR(c)
- Threat
- DUALS(3)
- Vars
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- P(e);P_SPINP(e),XS(C)
- Try
- R(A);
- Vars
- S(b);N_GUARD,XP(B)::S(F)
- B(g);N_GUARD::QAR1(D),XP(e)
- P(e);N_GUARD::R1(A),XR(c)
- R(c);OGATEB::R(A),XR(c)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- R(c);N_SPINR(c),XR(A)
- Try
- R(A);
- Vars
- S(b);N_GUARD,XP(B)::S(F)
- B(g);N_GUARD::QAR1(D),XP(e)
- P(e);N_GUARD::R1(A),XR(c)
- R(c);OGATEB::R(A),XR(c)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- R(c);N_SPINR(c),XR(A)
- Try
- R(A);
- Vars
- S(b);N_GUARD,XP(B)::S(F)
- B(g);N_GUARD::QAR1(D),XP(e)
- P(e);N_GUARD::R1(A),XR(c)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- R(c);N_SPINR(c),XR(A)
- Try
- Q(D);
- Vars
- R(c);N_SPINR(c),OGATE,XR(A)::QAR(D),XR(c)
- S(b);N_GUARD,XP(B)::S(F)
- S(b);N_GUARD,XQ(D)::S(F)
- P(e);N_GUARD::R1(A),XR(c)
- R(c);OGATEB::R(A),XR(c)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- B(g);
- Try
- Q(D);
- Vars
- S(b);N_GUARD,XP(B)::S(F)
- B(g);N_GUARD::QAR1(D),XP(e)
- P(e);N_GUARD::R1(A),XR(c)
- R(c);OGATEB::R(A),XR(c)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- R(c);N_SPINR(c),XR(A)
- Try
- Q(D);
- Vars
- R(c);N_SPINR(c),OGATE,XR(A)::QAR(D),XR(c)
- S(b);N_GUARD,XP(B)::S(F)
- R(c);OGATEB::R(A),XR(c)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- B(g);
- Try
- Q(D);
- Threat
- QAB1(D)
- Vars
- S(b);N_GUARD,XQ(D)::S(F)
- P(e);N_GUARD,XQ(D)::R1(A),XR(c)
- B(g);N_GUARD::QAR1(D),XP(e)
- Refutation
- P(d);XQ(D)
- Try
- Q(D);
- Vars
- R(c);N_SPINR(c),OGATE,XR(A)::QAR(D),XR(c)
- S(b);N_GUARD,XP(B)::S(F)
- P(e);N_GUARD,P_SPINP(d)::R1(A),XR(c)
- R(c);OGATEB::R(A),XR(c)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- B(g);
- Try
- Q(D);
- Vars
- R(c);N_SPINR(c),OGATE,XR(A)::QAR(D),XR(c)
- S(b);N_GUARD,XP(B)::S(F)
- P(e);N_GUARD::R1(A),XR(c)
- R(c);OGATEB::R(A),XR(c)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- B(g);
- Try
- Q(D);XS(b)
- Threat
- S(F)
- Refutation
- B(g);
- Try
- Actual
- Q(D);
- Vars
- R(c);N_SPINR(c),OGATE,XR(A)::QAR(D),XR(c)
- S(b);N_GUARD,XP(B)::S(F)
- B(g);OGATE::PXB(g)=S
- P(e);N_GUARD::R1(A),XR(c)
- R(c);OGATEB::R(A),XR(c)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(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).