MESON Chess Problem Database
Problem Display
PID: 143187 (RR2b1Q1/n1k1P3/4Pp2/N1n1q2p/2N4K/6B1/8/8 w - - 0 1)
Warton, Joseph John
Warton, Thomas Joseph
Social Chess Quarterly (The), 1934
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Qxg3+
- 2.Qxg3#
- 1...Qf4+
- 2.Bxf4#
- 1...Qd6
- 2.Bxd6#
- 1...Ba4
- 2.Qd8#
- 1...Bb5
- 2.Qd8#
- 1...Bc6
- 2.Qd8#
- 1...Bg6
- 2.Qd8#
- 1...Bd7
- 2.Qd8#
- 1...Bf7
- 2.Qd8#
- 1...Sb3
- 2.Rb7#
- 1...Sd3
- 2.Rb7#
- 1...Sa4
- 2.Rb7#
- 1...Se4
- 2.Rb7#
- 1...Sa6
- 2.Rb7#
- 1...Sxe6
- 2.Rb7#
- 1...Sb7
- 2.Rxb7#
- 1...Sd7
- 2.Rb7#
- 1...Sb5
- 2.Rc8#
- 1...Sc6
- 2.Rc8#
- 1...Sc8
- 2.Rxc8#
- 1...f5
- 2.Bxe5#
- 1...Qxg3+
- Tries
- 1.Kh3?
- 1...Qxg3+
- 2.Qxg3#
- 1...Sxe6
- 2.Rb7#
- 1...Qf4
- 2.Bxf4#
- 1...Qd6
- 2.Bxd6#
- 1...Ba4
- 2.Qd8#
- 1...Bb5
- 2.Qd8#
- 1...Bc6
- 2.Qd8#
- 1...Bg6
- 2.Qd8#
- 1...Bd7
- 2.Qd8#
- 1...Bf7
- 2.Qd8#
- 1...Sb3
- 2.Rb7#
- 1...Sd3
- 2.Rb7#
- 1...Sa4
- 2.Rb7#
- 1...Se4
- 2.Rb7#
- 1...Sa6
- 2.Rb7#
- 1...Sb7
- 2.Rxb7#
- 1...Sd7
- 2.Rb7#
- 1...Sb5
- 2.Rc8#
- 1...Sc6
- 2.Rc8#
- 1...Sc8
- 2.Rxc8#
- 1...f5
- 2.Bxe5#
- 1...h4!
- 1...Qxg3+
- 1.Bh2?
- 1...Qg3+
- 2.Bxg3#
- 2.Qxg3#
- 1...Qf4+
- 2.Bxf4#
- 1...Sxe6
- 2.Rb7#
- 1...Qd6
- 2.Bxd6#
- 1...Ba4
- 2.Qd8#
- 1...Bb5
- 2.Qd8#
- 1...Bc6
- 2.Qd8#
- 1...Bg6
- 2.Qd8#
- 1...Bd7
- 2.Qd8#
- 1...Bf7
- 2.Qd8#
- 1...Sb3
- 2.Rb7#
- 1...Sd3
- 2.Rb7#
- 1...Sa4
- 2.Rb7#
- 1...Se4
- 2.Rb7#
- 1...Sa6
- 2.Rb7#
- 1...Sb7
- 2.Rxb7#
- 1...Sd7
- 2.Rb7#
- 1...Sb5
- 2.Rc8#
- 1...Sc6
- 2.Rc8#
- 1...Sc8
- 2.Rxc8#
- 1...f5
- 2.Bxe5#
- 1...Qxh2+!
- 1...Qg3+
- 1.Bf4?
- 1...Sxe6
- 2.Rb7#
- 1...Qd6
- 2.Bxd6#
- 1...Ba4
- 2.Qd8#
- 1...Bb5
- 2.Qd8#
- 1...Bc6
- 2.Qd8#
- 1...Bg6
- 2.Qd8#
- 1...Bd7
- 2.Qd8#
- 1...Bf7
- 2.Qd8#
- 1...Sb3
- 2.Rb7#
- 1...Sd3
- 2.Rb7#
- 1...Sa4
- 2.Rb7#
- 1...Se4
- 2.Rb7#
- 1...Sa6
- 2.Rb7#
- 1...Sb7
- 2.Rxb7#
- 1...Sd7
- 2.Rb7#
- 1...Sb5
- 2.Rc8#
- 1...Sc6
- 2.Rc8#
- 1...Sc8
- 2.Rxc8#
- 1...f5
- 2.Bxe5#
- 1...Qxf4+!
- 1...Sxe6
- 1.Rxa7+?
- 1...Sb7
- 2.Raxb7#
- 1...Kxb8!
- 1...Sb7
- 1.Rxe8?
- 1...Qxg3+
- 2.Qxg3#
- 1...Qf4+
- 2.Bxf4#
- 1...Sxe6
- 2.Rxa7#
- 1...Sb5
- 2.Rac8#
- 2.Rec8#
- 1...Qd6
- 2.Bxd6#
- 1...Sb3
- 2.Rxa7#
- 1...Sd3
- 2.Rxa7#
- 1...Sa4
- 2.Rxa7#
- 1...Se4
- 2.Rxa7#
- 1...Sa6
- 2.Rxa7#
- 1...Sd7
- 2.Rxa7#
- 1...Sc6
- 2.Rac8#
- 2.Rec8#
- 1...Sc8
- 2.Raxc8#
- 2.Rexc8#
- 1...f5
- 2.Bxe5#
- 1...Sb7!
- 1...Qxg3+
- 1.Qh7?
- 1...Qf4+
- 2.Bxf4#
- 1...Sxe6
- 2.Rb7#
- 1...Sb5
- 2.Rc8#
- 1...Qd6
- 2.Bxd6#
- 1...Ba4
- 2.e8S#
- 1...Bb5
- 2.e8S#
- 1...Bc6
- 2.e8S#
- 1...Bg6
- 2.e8S#
- 1...Bd7
- 2.e8S#
- 1...Bf7
- 2.e8S#
- 1...Sb3
- 2.Rb7#
- 1...Sd3
- 2.Rb7#
- 1...Sa4
- 2.Rb7#
- 1...Se4
- 2.Rb7#
- 1...Sa6
- 2.Rb7#
- 1...Sb7
- 2.Rxb7#
- 1...Sd7
- 2.Rb7#
- 1...Sc6
- 2.Rc8#
- 1...Sc8
- 2.Rxc8#
- 1...f5
- 2.Bxe5#
- 1...Qxg3+!
- 1...Qf4+
- 1.Qxe8?
- threat
- 2.Qd8#
- 1...Qf4+
- 2.Bxf4#
- 1...Sxe6
- 2.Rxa7#
- 2.Rb7#
- 1...Sb7
- 2.Rxb7#
- 2.Qd7#
- 1...Sc6
- 2.Rc8#
- 2.Qxc6#
- 2.Qc8#
- 1...Qxg3+!
- threat
- 1.Qf8?
- 1...Qf4+
- 2.Bxf4#
- 1...Sxe6
- 2.Rb7#
- 1...Sb5
- 2.Rc8#
- 1...Qd6
- 2.Bxd6#
- 1...Ba4
- 2.Qd8#
- 1...Bb5
- 2.Qd8#
- 1...Bc6
- 2.Qd8#
- 1...Bg6
- 2.Qd8#
- 1...Bd7
- 2.Qd8#
- 1...Bf7
- 2.Qd8#
- 1...Sb3
- 2.Rb7#
- 1...Sd3
- 2.Rb7#
- 1...Sa4
- 2.Rb7#
- 1...Se4
- 2.Rb7#
- 1...Sa6
- 2.Rb7#
- 1...Sb7
- 2.Rxb7#
- 1...Sd7
- 2.Rb7#
- 1...Sc6
- 2.Rc8#
- 1...Sc8
- 2.Rxc8#
- 1...f5
- 2.Bxe5#
- 1...Qxg3+!
- 1...Qf4+
- 1.Qh8?
- 1...Qf4+
- 2.Bxf4#
- 1...Sxe6
- 2.Rb7#
- 1...Sb5
- 2.Rc8#
- 1...Qd6
- 2.Bxd6#
- 1...Ba4
- 2.Qd8#
- 1...Bb5
- 2.Qd8#
- 1...Bc6
- 2.Qd8#
- 1...Bg6
- 2.Qd8#
- 1...Bd7
- 2.Qd8#
- 1...Bf7
- 2.Qd8#
- 1...Sb3
- 2.Rb7#
- 1...Sd3
- 2.Rb7#
- 1...Sa4
- 2.Rb7#
- 1...Se4
- 2.Rb7#
- 1...Sa6
- 2.Rb7#
- 1...Sb7
- 2.Rxb7#
- 1...Sd7
- 2.Rb7#
- 1...Sc6
- 2.Rc8#
- 1...Sc8
- 2.Rxc8#
- 1...f5
- 2.Bxe5#
- 2.Qxe5#
- 1...Qxg3+!
- 1...Qf4+
- 1.Kh3?
- Keys
- 1.Qg7!
- 1...Qxg3+
- 2.Qxg3#
- 1...Qf4+
- 2.Bxf4#
- 1...Sxe6
- 2.Rb7#
- 1...Sb5
- 2.Rc8#
- 1...Qd6
- 2.Bxd6#
- 1...Ba4
- 2.e8S#
- 1...Bb5
- 2.e8S#
- 1...Bc6
- 2.e8S#
- 1...Bg6
- 2.e8S#
- 1...Bd7
- 2.e8S#
- 1...Bf7
- 2.e8S#
- 1...Sb3
- 2.Rb7#
- 1...Sd3
- 2.Rb7#
- 1...Sa4
- 2.Rb7#
- 1...Se4
- 2.Rb7#
- 1...Sa6
- 2.Rb7#
- 1...Sb7
- 2.Rxb7#
- 1...Sd7
- 2.Rb7#
- 1...Sc6
- 2.Rc8#
- 1...Sc8
- 2.Rxc8#
- 1...f5
- 2.Bxe5#
- 2.Qxe5#
- 1...Qxg3+
- 1.Qg7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- Q(b);CHECK,N_SPINQ(b),OGATE,XB(A)::QAB(I),XQ(b)
- Q(b);CHECK,OGATEB::B(A),XQ(b)
- Q(b);OGATE::B(A),XQ(b)
- B(g);OGATE::QAB1(I)
- S(a);N_GUARD::R1(H)
- S(a);N_GUARD,XP(E)::R1(H)
- S(a);N_GUARD::R1(H),XS(a)
- S(e);N_GUARD::R1(H)
- S(e);N_GUARD::R1(H),XS(e)
- P(d);N_GUARD::B(A),XQ(b)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- Q(b);CHECK,N_SPINQ(b),OGATE,XB(A)::QAB(I),XQ(b)
- S(a);N_GUARD,XP(E)::R1(H)
- Q(b);OGATEB::B(A),XQ(b)
- Q(b);OGATE::B(A),XQ(b)
- B(g);OGATE::QAB1(I)
- B(g);OGATE,P_PINP(E)::QAB1(I)
- S(a);N_GUARD::R1(H)
- S(a);N_GUARD::R1(H),XS(a)
- S(e);N_GUARD::R1(H)
- S(e);N_GUARD::R1(H),XS(e)
- P(d);N_GUARD::B(A),XQ(b)
- Refutation
- P(c);
- Try
- B(A);
- Vars
- Q(b);CHECK,OGATEB::B(A),XQ(b)
- S(a);N_GUARD,XP(E)::R1(H)
- Q(b);OGATE::B(A),XQ(b)
- B(g);OGATE::QAB1(I)
- S(a);N_GUARD::R1(H)
- S(a);N_GUARD::R1(H),XS(a)
- S(e);N_GUARD::R1(H)
- S(e);N_GUARD::R1(H),XS(e)
- P(d);N_GUARD::B(A),XQ(b)
- Refutation
- Q(b);CHECK,N_SPINQ(b),XB(A)
- Try
- B(A);
- Vars
- S(a);N_GUARD,XP(E)::R1(H)
- Q(b);OGATE::B(A),XQ(b)
- B(g);OGATE::QAB1(I)
- S(a);N_GUARD::R1(H)
- S(a);N_GUARD::R1(H),XS(a)
- S(e);N_GUARD::R1(H)
- S(e);N_GUARD::R1(H),XS(e)
- P(d);N_GUARD::B(A),XQ(b)
- Refutation
- Q(b);CHECK,N_SPINQ(b),XB(A)
- Try
- R(G);CHECK,XS(e)
- Vars
- S(a);N_GUARD,P_SPINS(a)::R1(G),XS(a)
- Refutation
- K(f);P_SPINB(g),S_FLIGHT,XR(H)
- Try
- R(H);XB(g)
- Vars
- Q(b);CHECK,N_SPINQ(b),OGATE,XB(A)::QAB(I),XQ(b)
- Q(b);CHECK,OGATEB::B(A),XQ(b)
- S(a);N_GUARD,XP(E)::R(G),XS(e)
- Q(b);OGATE::B(A),XQ(b)
- S(a);N_GUARD::R(G),XS(e)
- P(d);N_GUARD::B(A),XQ(b)
- Refutation
- S(a);
- Try
- Q(I);
- Vars
- Q(b);CHECK,OGATEB::B(A),XQ(b)
- S(a);N_GUARD,XP(E)::R1(H)
- S(e);N_GUARD::R1(H)
- Q(b);OGATE::B(A),XQ(b)
- B(g);OGATE::P=S
- S(a);N_GUARD::R1(H)
- S(a);N_GUARD::R1(H),XS(a)
- S(e);N_GUARD::R1(H),XS(e)
- P(d);N_GUARD::B(A),XQ(b)
- Refutation
- Q(b);CHECK,N_SPINQ(b),XB(A)
- Try
- Q(I);XB(g)
- Threat
- QAB1(I)
- Vars
- Q(b);CHECK,OGATEB::B(A),XQ(b)
- Refutation
- Q(b);CHECK,N_SPINQ(b),XB(A)
- Try
- Q(I);
- Vars
- Q(b);CHECK,OGATEB::B(A),XQ(b)
- S(a);N_GUARD,XP(E)::R1(H)
- S(e);N_GUARD::R1(H)
- Q(b);OGATE::B(A),XQ(b)
- B(g);OGATE::QAB1(I)
- S(a);N_GUARD::R1(H)
- S(a);N_GUARD::R1(H),XS(a)
- S(e);N_GUARD::R1(H),XS(e)
- P(d);N_GUARD::B(A),XQ(b)
- Refutation
- Q(b);CHECK,N_SPINQ(b),XB(A)
- Try
- Q(I);
- Vars
- Q(b);CHECK,OGATEB::B(A),XQ(b)
- S(a);N_GUARD,XP(E)::R1(H)
- S(e);N_GUARD::R1(H)
- Q(b);OGATE::B(A),XQ(b)
- B(g);OGATE::QAB1(I)
- S(a);N_GUARD::R1(H)
- S(a);N_GUARD::R1(H),XS(a)
- S(e);N_GUARD::R1(H),XS(e)
- Refutation
- Q(b);CHECK,N_SPINQ(b),XB(A)
- Try
- Actual
- Q(I);
- Vars
- Q(b);CHECK,N_SPINQ(b),OGATE,XB(A)::QAB(I),XQ(b)
- Q(b);CHECK,OGATEB::B(A),XQ(b)
- S(a);N_GUARD,XP(E)::R1(H)
- S(e);N_GUARD::R1(H)
- Q(b);OGATE::B(A),XQ(b)
- B(g);OGATE::P=S
- S(a);N_GUARD::R1(H)
- S(a);N_GUARD::R1(H),XS(a)
- S(e);N_GUARD::R1(H),XS(e)
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).