MESON Chess Problem Database
Problem Display
PID: 16677 (1n2B3/q2n3p/p1k4P/2PN2R1/P1R1N3/5Prp/1QP3pB/6K1 w - - 0 1)
Warton, Joseph John
Warton, Thomas Joseph
Chess, 1942
#2
13 + 9
SOLUTION
- SOUND
- Sets
- 1...Qxc5+
- 2.Rxc5#
- 1...Qb6
- 2.Qxb6#
- 1...Qb7
- 2.Qf6#
- 1...Qc7
- 2.Se7#
- 1...Qa8
- 2.Qb6#
- 1...Rxf3
- 2.Se7#
- 1...Rg4
- 2.Se7#
- 1...Rxg5
- 2.Se7#
- 1...a5
- 2.Qb5#
- 1...Qxc5+
- Tries
- 1.Sd2?
- 1...Rxf3
- 2.Se7#
- 1...Rxg5
- 2.Se7#
- 1...Qb6
- 2.Qxb6#
- 1...Qb7
- 2.Qf6#
- 1...Qc7
- 2.Se7#
- 1...Qa8
- 2.Qb6#
- 1...Rg4
- 2.Se7#
- 1...a5
- 2.Qb5#
- 1...Qxc5+!
- 1...Rxf3
- 1.Sxg3?
- 1...Qb6
- 2.Qxb6#
- 1...Qb7
- 2.Qf6#
- 1...Qc7
- 2.Se7#
- 1...Qa8
- 2.Qb6#
- 1...a5
- 2.Qb5#
- 1...Qxc5+!
- 1...Qb6
- 1.Bxg3?
- threat
- 2.Se7#
- 1...Qxc5+
- 2.Rxc5#
- 1...Qb6
- 2.Qxb6#
- 1...h2+!
- threat
- 1.Rc3?
- 1...Qxc5+
- 2.Rxc5#
- 1...Rxf3
- 2.Se7#
- 1...Rxg5
- 2.Se7#
- 1...Qb6
- 2.Qxb6#
- 1...Qc7
- 2.Se7#
- 1...Qa8
- 2.Qb6#
- 1...Rg4
- 2.Se7#
- 1...a5
- 2.Qb5#
- 1...Qb7!
- 1...Qxc5+
- 1.Rb4?
- threat
- 2.Qf6#
- 1...Rxf3
- 2.Se7#
- 1...Rxg5
- 2.Se7#
- 1...Qb6
- 2.Rxb6#
- 1...Qc7
- 2.Se7#
- 1...Qxc5+!
- threat
- 1.Rf5?
- 1...Qxc5+
- 2.Rxc5#
- 1...Rxf3
- 2.Se7#
- 1...Qb6
- 2.Qxb6#
- 1...Qb7
- 2.Qf6#
- 1...Qc7
- 2.Se7#
- 1...Qa8
- 2.Qb6#
- 1...Rg4
- 2.Se7#
- 1...Rg5
- 2.Se7#
- 1...Rg6
- 2.Se7#
- 1...Rg8
- 2.Se7#
- 1...a5
- 2.Qb5#
- 1...Rg7!
- 1...Qxc5+
- 1.Rh5?
- 1...Qxc5+
- 2.Rxc5#
- 1...Rxf3
- 2.Se7#
- 1...Qb6
- 2.Qxb6#
- 1...Rg5
- 2.Se7#
- 1...Qb7
- 2.Qf6#
- 1...Qc7
- 2.Se7#
- 1...Qa8
- 2.Qb6#
- 1...Rg4
- 2.Se7#
- 1...Rg6
- 2.Se7#
- 1...Rg8
- 2.Se7#
- 1...a5
- 2.Qb5#
- 1...Rg7!
- 1...Qxc5+
- 1.Rg6+?
- 1...Kxd5
- 2.Bf7#
- 2.Qd4#
- 1...Rxg6
- 2.Se7#
- 1...hxg6!
- 1...Kxd5
- 1.Qb1?
- 1...Qxc5+
- 2.Rxc5#
- 1...Rxf3
- 2.Se7#
- 1...Rxg5
- 2.Se7#
- 1...Qb6
- 2.Qxb6#
- 1...Qc7
- 2.Se7#
- 1...Qa8
- 2.Qb6#
- 1...Rg4
- 2.Se7#
- 1...a5
- 2.Qb5#
- 1...Qb7!
- 1...Qxc5+
- 1.Qb3?
- 1...Qxc5+
- 2.Rxc5#
- 1...Rxf3
- 2.Se7#
- 1...Rxg5
- 2.Se7#
- 1...Qb6
- 2.Qxb6#
- 1...Qc7
- 2.Se7#
- 1...Qa8
- 2.Qb6#
- 1...Rg4
- 2.Se7#
- 1...a5
- 2.Qb5#
- 1...Qb7!
- 1...Qxc5+
- 1.Qb4?
- 1...Qxc5+
- 2.Rxc5#
- 1...Rxf3
- 2.Se7#
- 1...Rxg5
- 2.Se7#
- 1...Qb6
- 2.Qxb6#
- 1...Qc7
- 2.Se7#
- 1...Qa8
- 2.Qb6#
- 1...Rg4
- 2.Se7#
- 1...a5
- 2.Qb5#
- 1...Qb7!
- 1...Qxc5+
- 1.Qxb8?
- threat
- 2.Sb4#
- 2.Se7#
- 1...Qxc5+
- 2.Rxc5#
- 1...Qb7
- 2.Se7#
- 2.Qd6#
- 1...Qb6
- 2.Se7#
- 2.Qxb6#
- 2.cxb6#
- 1...a5
- 2.Se7#
- 2.Qb5#
- 1...Qxb8!
- threat
- 1.c3?
- 1...Qxc5+
- 2.Rxc5#
- 1...Rxf3
- 2.Se7#
- 1...Rxg5
- 2.Se7#
- 1...Qb6
- 2.Qxb6#
- 1...Qc7
- 2.Se7#
- 1...Qa8
- 2.Qb6#
- 1...Rg4
- 2.Se7#
- 1...a5
- 2.Qb5#
- 1...Qb7!
- 1...Qxc5+
- 1.a5?
- 1...Qxc5+
- 2.Rxc5#
- 1...Rxf3
- 2.Se7#
- 1...Rxg5
- 2.Se7#
- 1...Qb6
- 2.Qxb6#
- 1...Qc7
- 2.Se7#
- 1...Qa8
- 2.Qb6#
- 1...Rg4
- 2.Se7#
- 1...Qb7!
- 1...Qxc5+
- 1.Sd2?
- Keys
- 1.Sf2!
- 1...Qxc5
- 2.Qb6#
- 1...Rxf3
- 2.Se7#
- 1...Rxg5
- 2.Se7#
- 1...Qb6
- 2.Qxb6#
- 1...Qb7
- 2.Qf6#
- 1...Qc7
- 2.Se7#
- 1...Qa8
- 2.Qb6#
- 1...Rg4
- 2.Se7#
- 1...a5
- 2.Qb5#
- 1...Qxc5
- 1.Sf2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(I)::R1(G),XQ(f)
- Q(f);N_GUARD::QAR1(B),XQ(f)
- Q(f);N_PINP(I),SBLOCK::QAR(B)
- Q(f);N_PINP(I),SBLOCK::S(J)
- Q(f);N_GUARD,N_PINP(I)::QAR1(B)
- R(b);XP(E)::S(J)
- R(b);::S(J)
- R(b);XR(K)::S(J)
- P(d);N_GUARD::QAB1(B)
- Tries
- Try
- S(H);
- Vars
- R(b);XP(E)::S(J)
- R(b);XR(K)::S(J)
- Q(f);N_GUARD::QAR1(B),XQ(f)
- Q(f);N_PINP(I),SBLOCK::QAR(B)
- Q(f);N_PINP(I),SBLOCK::S(J)
- Q(f);N_GUARD,N_PINP(I)::QAR1(B)
- R(b);::S(J)
- P(d);N_GUARD::QAB1(B)
- Refutation
- Q(f);CHECK,P_SPINQ(f),XP(I)
- Try
- S(H);XR(b)
- Vars
- Q(f);N_GUARD::QAR1(B),XQ(f)
- Q(f);N_PINP(I),SBLOCK::QAR(B)
- Q(f);N_PINP(I),SBLOCK::S(J)
- Q(f);N_GUARD,N_PINP(I)::QAR1(B)
- P(d);N_GUARD::QAB1(B)
- Refutation
- Q(f);CHECK,P_SPINQ(f),XP(I)
- Try
- B(D);XR(b)
- Threat
- S(J)
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(I)::R1(G),XQ(f)
- Q(f);N_GUARD::QAR1(B),XQ(f)
- Refutation
- P(c);CHECK
- Try
- R(G);
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(I)::R1(G),XQ(f)
- R(b);XP(E)::S(J)
- R(b);XR(K)::S(J)
- Q(f);N_GUARD::QAR1(B),XQ(f)
- Q(f);N_PINP(I),SBLOCK::S(J)
- Q(f);N_GUARD,N_PINP(I)::QAR1(B)
- R(b);::S(J)
- P(d);N_GUARD::QAB1(B)
- Refutation
- Q(f);N_PINP(I)
- Try
- R(G);
- Threat
- QAR(B)
- Vars
- R(b);XP(E)::S(J)
- R(b);XR(K)::S(J)
- Q(f);N_GUARD::R1(G),XQ(f)
- Q(f);N_PINP(I),SBLOCK::S(J)
- Refutation
- Q(f);CHECK,XP(I)
- Try
- R(K);
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(I)::R1(G),XQ(f)
- R(b);XP(E)::S(J)
- Q(f);N_GUARD::QAR1(B),XQ(f)
- Q(f);N_PINP(I),SBLOCK::QAR(B)
- Q(f);N_PINP(I),SBLOCK::S(J)
- Q(f);N_GUARD,N_PINP(I)::QAR1(B)
- R(b);::S(J)
- P(d);N_GUARD::QAB1(B)
- Refutation
- R(b);
- Try
- R(K);
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(I)::R1(G),XQ(f)
- R(b);XP(E)::S(J)
- Q(f);N_GUARD::QAR1(B),XQ(f)
- R(b);::S(J)
- Q(f);N_PINP(I),SBLOCK::QAR(B)
- Q(f);N_PINP(I),SBLOCK::S(J)
- Q(f);N_GUARD,N_PINP(I)::QAR1(B)
- P(d);N_GUARD::QAB1(B)
- Refutation
- R(b);
- Try
- R(K);CHECK
- Vars
- R(b);XR(K)::S(J)
- Refutation
- P(h);XR(K)
- Try
- Q(B);
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(I)::R1(G),XQ(f)
- R(b);XP(E)::S(J)
- R(b);XR(K)::S(J)
- Q(f);N_GUARD::QAR1(B),XQ(f)
- Q(f);N_PINP(I),SBLOCK::S(J)
- Q(f);N_GUARD,N_PINP(I)::QAR1(B)
- R(b);::S(J)
- P(d);N_GUARD::QAB1(B)
- Refutation
- Q(f);N_PINP(I)
- Try
- Q(B);
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(I)::R1(G),XQ(f)
- R(b);XP(E)::S(J)
- R(b);XR(K)::S(J)
- Q(f);N_GUARD::QAR1(B),XQ(f)
- Q(f);N_PINP(I),SBLOCK::S(J)
- Q(f);N_GUARD,N_PINP(I)::QAR1(B)
- R(b);::S(J)
- P(d);N_GUARD::QAB1(B)
- Refutation
- Q(f);N_PINP(I)
- Try
- Q(B);
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(I)::R1(G),XQ(f)
- R(b);XP(E)::S(J)
- R(b);XR(K)::S(J)
- Q(f);N_GUARD::QAR1(B),XQ(f)
- Q(f);N_PINP(I),SBLOCK::S(J)
- Q(f);N_GUARD,N_PINP(I)::QAR1(B)
- R(b);::S(J)
- P(d);N_GUARD::QAB1(B)
- Refutation
- Q(f);N_PINP(I)
- Try
- Q(B);XS(i)
- Threat
- DUALS(2)
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(I)::R1(G),XQ(f)
- Refutation
- Q(f);N_PINP(I),XQ(B)
- Try
- P(C);
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(I)::R1(G),XQ(f)
- R(b);XP(E)::S(J)
- R(b);XR(K)::S(J)
- Q(f);N_GUARD::QAR1(B),XQ(f)
- Q(f);N_PINP(I),SBLOCK::S(J)
- Q(f);N_GUARD,N_PINP(I)::QAR1(B)
- R(b);::S(J)
- P(d);N_GUARD::QAB1(B)
- Refutation
- Q(f);N_PINP(I)
- Try
- P(F);
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(I)::R1(G),XQ(f)
- R(b);XP(E)::S(J)
- R(b);XR(K)::S(J)
- Q(f);N_GUARD::QAR1(B),XQ(f)
- Q(f);N_PINP(I),SBLOCK::S(J)
- Q(f);N_GUARD,N_PINP(I)::QAR1(B)
- R(b);::S(J)
- Refutation
- Q(f);N_PINP(I)
- Try
- Actual
- S(H);N_SPINP(I)
- Vars
- Q(f);N_GUARD,P_PINS(H),P_SPINQ(f),XP(I)::QAR1(B)
- R(b);XP(E)::S(J)
- R(b);XR(K)::S(J)
- Q(f);N_GUARD::QAR1(B),XQ(f)
- Q(f);SBLOCK::QAR(B)
- Q(f);SBLOCK::S(J)
- Q(f);N_GUARD::QAR1(B)
- R(b);::S(J)
- P(d);N_GUARD::QAB1(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).