MESON Chess Problem Database
Problem Display
PID: 21300 (8/4R1Q1/5P2/2Kp4/1N2qp2/1bN1k3/4B1p1/4B3 w - - 0 1)
Warton, Joseph John
Warton, Thomas Joseph
Falkirk Herald, 1918
#2
8 + 6
SOLUTION
- SOUND
- Sets
- 1...Qe5
- 2.Rxe5#
- 1...Qe6
- 2.Rxe6#
- 1...Qxe7+
- 2.Qxe7#
- 1...Bd1
- 2.Sbxd5#
- 1...Ba2
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 2.Sbxd5#
- 1...Ba4
- 2.Sbxd5#
- 1...Bc4
- 2.Sc2#
- 1...g1Q
- 2.Qxg1#
- 1...g1S
- 2.Qxg1#
- 1...g1B
- 2.Qxg1#
- 1...g1R
- 2.Qxg1#
- 1...f3
- 2.Qh6#
- 2.Qg5#
- 1...d4
- 2.Rxe4#
- 1...Qe5
- Tries
- 1.Re5?
- 1...f3
- 2.Qh6#
- 2.Qg5#
- 1...g1Q
- 2.Qxg1#
- 1...g1S
- 2.Qxg1#
- 1...g1B
- 2.Qxg1#
- 1...g1R
- 2.Qxg1#
- 1...Bd1
- 2.Sbxd5#
- 1...Ba2
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 2.Sbxd5#
- 1...Ba4
- 2.Sbxd5#
- 1...Bc4
- 2.Sc2#
- 1...d4
- 2.Rxe4#
- 1...Qxe5!
- 1...f3
- 1.Re6?
- 1...f3
- 2.Qh6#
- 2.Qg5#
- 1...g1Q
- 2.Qxg1#
- 1...g1S
- 2.Qxg1#
- 1...g1B
- 2.Qxg1#
- 1...g1R
- 2.Qxg1#
- 1...Bd1
- 2.Sbxd5#
- 1...Qe5
- 2.Rxe5#
- 1...Ba2
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 2.Sbxd5#
- 1...Ba4
- 2.Sbxd5#
- 1...Bc4
- 2.Sc2#
- 1...d4
- 2.Rxe4#
- 1...Qxe6!
- 1...f3
- 1.Re8?
- 1...Qe7+
- 2.Rxe7#
- 2.Qxe7#
- 1...f3
- 2.Qh6#
- 2.Qg5#
- 1...g1Q
- 2.Qxg1#
- 1...g1S
- 2.Qxg1#
- 1...g1B
- 2.Qxg1#
- 1...g1R
- 2.Qxg1#
- 1...Bd1
- 2.Sbxd5#
- 1...Qe5
- 2.Rxe5#
- 1...Qe6
- 2.Rxe6#
- 1...Ba2
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 2.Sbxd5#
- 1...Ba4
- 2.Sbxd5#
- 1...Bc4
- 2.Sc2#
- 1...d4
- 2.Rxe4#
- 1...Qxe8!
- 1...Qe7+
- 1.Qxg2?
- threat
- 2.Qf3#
- 2.Qg1#
- 2.Qf2#
- 1...f3
- 2.Qxf3#
- 2.Qg5#
- 1...Qxe7+!
- threat
- 1.Qg3+?
- 1...f3
- 2.Qxf3#
- 2.Qg5#
- 1...fxg3!
- 1...f3
- 1.Qg4?
- threat
- 2.Qf3#
- 1...g1S
- 2.Qxg1#
- 1...f3
- 2.Qxf3#
- 2.Qg5#
- 1...Qxe7+!
- threat
- 1.Qg5?
- 1...g1Q
- 2.Qxg1#
- 1...g1S
- 2.Qxg1#
- 1...g1B
- 2.Qxg1#
- 1...g1R
- 2.Qxg1#
- 1...Bd1
- 2.Sbxd5#
- 1...Qe5
- 2.Rxe5#
- 2.Qxe5#
- 1...Qe6
- 2.Rxe6#
- 1...Ba2
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 2.Sbxd5#
- 1...Ba4
- 2.Sbxd5#
- 1...Bc4
- 2.Sc2#
- 1...d4
- 2.Rxe4#
- 1...Qxe7+!
- 1...g1Q
- 1.Qg6?
- 1...f3
- 2.Qg5#
- 2.Qh6#
- 1...g1Q
- 2.Qxg1#
- 1...g1S
- 2.Qxg1#
- 1...g1B
- 2.Qxg1#
- 1...g1R
- 2.Qxg1#
- 1...Bd1
- 2.Sbxd5#
- 1...Qe5
- 2.Rxe5#
- 2.Qd3#
- 1...Qe6
- 2.Rxe6#
- 2.Qd3#
- 1...Ba2
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 2.Sbxd5#
- 1...Ba4
- 2.Sbxd5#
- 1...Bc4
- 2.Sc2#
- 1...d4
- 2.Rxe4#
- 2.Qxe4#
- 1...Qxe7+!
- 1...f3
- 1.Qg8?
- 1...f3
- 2.Qg5#
- 1...g1Q
- 2.Qxg1#
- 1...g1S
- 2.Qxg1#
- 1...g1B
- 2.Qxg1#
- 1...g1R
- 2.Qxg1#
- 1...Qe5
- 2.Rxe5#
- 1...Qe6
- 2.Rxe6#
- 2.Qxe6#
- 1...Bd1
- 2.Sbxd5#
- 1...Ba2
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 2.Sbxd5#
- 1...Ba4
- 2.Sbxd5#
- 1...Bc4
- 2.Sc2#
- 1...d4
- 2.Rxe4#
- 1...Qxe7+!
- 1...f3
- 1.f7?
- threat
- 2.Qd4#
- 1...f3
- 2.Qh6#
- 2.Qg5#
- 1...Qe5
- 2.Rxe5#
- 2.Qxe5#
- 1...d4
- 2.Rxe4#
- 2.Qxd4#
- 1...Qxe7+!
- threat
- 1.Re5?
- Keys
- 1.Bh5!
- 1...Qxe7+
- 2.Qxe7#
- 1...f3
- 2.Qh6#
- 2.Qg5#
- 1...g1Q
- 2.Qxg1#
- 1...g1S
- 2.Qxg1#
- 1...g1B
- 2.Qxg1#
- 1...g1R
- 2.Qxg1#
- 1...Bd1
- 2.Sxd1#
- 2.Scxd5#
- 1...Qe5
- 2.Rxe5#
- 1...Qe6
- 2.Rxe6#
- 1...Ba2
- 2.Sd1#
- 1...Bc2
- 2.Scxd5#
- 1...Ba4
- 2.Scxd5#
- 1...Bc4
- 2.Sd1#
- 1...d4
- 2.Rxe4#
- 1...Qxe7+
- 1.Bh5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- Q(d);OGATEB::R(G),XQ(d)
- Q(d);CHECK,N_SPINQ(d),OGATE,XR(G)::QAR(H),XQ(d)
- B(b);N_GUARD::S(D),XP(f)
- B(b);N_GUARD::S(D)
- P(a);OGATE::QAB(H),XQ(a)
- P(a);OGATE::QAB(H),XS(a)
- P(a);OGATE::QAB(H),XB(a)
- P(a);OGATE::QAB(H),XR(a)
- P(f);N_GUARD::R1(G),XQ(d)
- Tries
- Try
- R(G);
- Vars
- P(a);OGATE::QAB(H),XQ(a)
- P(a);OGATE::QAB(H),XS(a)
- P(a);OGATE::QAB(H),XB(a)
- P(a);OGATE::QAB(H),XR(a)
- B(b);N_GUARD::S(D),XP(f)
- B(b);N_GUARD::S(D)
- P(f);N_GUARD::R1(G),XQ(d)
- Refutation
- Q(d);N_SPINQ(d),XR(G)
- Try
- R(G);
- Vars
- P(a);OGATE::QAB(H),XQ(a)
- P(a);OGATE::QAB(H),XS(a)
- P(a);OGATE::QAB(H),XB(a)
- P(a);OGATE::QAB(H),XR(a)
- B(b);N_GUARD::S(D),XP(f)
- Q(d);OGATEB::R(G),XQ(d)
- B(b);N_GUARD::S(D)
- P(f);N_GUARD::R1(G),XQ(d)
- Refutation
- Q(d);N_SPINQ(d),XR(G)
- Try
- R(G);
- Vars
- P(a);OGATE::QAB(H),XQ(a)
- P(a);OGATE::QAB(H),XS(a)
- P(a);OGATE::QAB(H),XB(a)
- P(a);OGATE::QAB(H),XR(a)
- B(b);N_GUARD::S(D),XP(f)
- Q(d);OGATEB::R(G),XQ(d)
- B(b);N_GUARD::S(D)
- P(f);N_GUARD::R1(G),XQ(d)
- Refutation
- Q(d);N_SPINQ(d),XR(G)
- Try
- Q(H);XP(a)
- Threat
- DUALS(3)
- Refutation
- Q(d);CHECK,N_SPINQ(d),XR(G)
- Try
- Q(H);CHECK
- Refutation
- P(e);XQ(H)
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- P(a);OGATE::QAB(H),XS(a)
- Refutation
- Q(d);CHECK,N_SPINQ(d),XR(G)
- Try
- Q(H);P_PINP(e)
- Vars
- P(a);OGATE::QAB(H),XQ(a)
- P(a);OGATE::QAB(H),XS(a)
- P(a);OGATE::QAB(H),XB(a)
- P(a);OGATE::QAB(H),XR(a)
- B(b);N_GUARD::S(D),XP(f)
- Q(d);OGATEB::R(G),XQ(d)
- B(b);N_GUARD::S(D)
- P(f);N_GUARD::R1(G),XQ(d)
- Refutation
- Q(d);CHECK,N_SPINQ(d),XR(G)
- Try
- Q(H);
- Vars
- P(a);OGATE::QAB(H),XQ(a)
- P(a);OGATE::QAB(H),XS(a)
- P(a);OGATE::QAB(H),XB(a)
- P(a);OGATE::QAB(H),XR(a)
- B(b);N_GUARD::S(D),XP(f)
- B(b);N_GUARD::S(D)
- Refutation
- Q(d);CHECK,N_SPINQ(d),XR(G)
- Try
- Q(H);
- Vars
- P(e);OGATEB::QAB(H)
- P(a);OGATE::QAB(H),XQ(a)
- P(a);OGATE::QAB(H),XS(a)
- P(a);OGATE::QAB(H),XB(a)
- P(a);OGATE::QAB(H),XR(a)
- Q(d);OGATEB::R(G),XQ(d)
- B(b);N_GUARD::S(D),XP(f)
- B(b);N_GUARD::S(D)
- P(f);N_GUARD::R1(G),XQ(d)
- Refutation
- Q(d);CHECK,N_SPINQ(d),XR(G)
- Try
- P(F);
- Threat
- QAB1(H)
- Refutation
- Q(d);CHECK,N_SPINQ(d),XR(G)
- Try
- Actual
- B(B);
- Vars
- Q(d);CHECK,N_SPINQ(d),OGATE,XR(G)::QAR(H),XQ(d)
- P(a);OGATE::QAB(H),XQ(a)
- P(a);OGATE::QAB(H),XS(a)
- P(a);OGATE::QAB(H),XB(a)
- P(a);OGATE::QAB(H),XR(a)
- Q(d);OGATEB::R(G),XQ(d)
- B(b);N_GUARD::S(C)
- B(b);N_GUARD::S(C),XP(f)
- P(f);N_GUARD::R1(G),XQ(d)
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).