MESON Chess Problem Database
Problem Display
PID: 9446 (8/3pK3/1B6/2NP2R1/1q1kN2R/1p6/pn2Q3/b7 w - - 0 1)
Heathcote, Godfrey
Kingstown Society, 1903
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Sxb3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Sb7#
- 2.Sxd7#
- 1...Qd2
- 2.Sxb3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Sb7#
- 2.Sxd7#
- 1...Qc3
- 2.Sd2#
- 2.Sf2#
- 2.Sg3#
- 2.Sd6#
- 2.Sf6#
- 2.Sxb3#
- 2.Se6#
- 1...Qa5
- 2.Sxb3#
- 2.Se6#
- 1...Qxc5+
- 2.Bxc5#
- 1...Qa4
- 2.Sxb3#
- 2.Sxa4#
- 2.Sa6#
- 2.Se6#
- 2.Sb7#
- 2.Sxd7#
- 1...Qc4
- 2.Sxb3#
- 2.Se6#
- 2.Qf2#
- 1...Qb5
- 2.Sxb3#
- 2.Se6#
- 1...Sd1
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sa4
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...d6
- 2.Sxb3#
- 2.Se6#
- 1...Qe1
- Tries
- 1.Kf6?
- threat
- 2.Sxb3#
- 2.Se6#
- 1...Qxc5
- 2.Bxc5#
- 1...Sd3
- 2.Qxd3#
- 1...Qxb6+!
- threat
- 1.Kf7?
- threat
- 2.Sxb3#
- 2.Se6#
- 1...Qxc5
- 2.Bxc5#
- 1...Sd3
- 2.Qxd3#
- 1...Qxb6!
- threat
- 1.Kd8?
- threat
- 2.Sxb3#
- 2.Se6#
- 1...Qxc5
- 2.Bxc5#
- 1...Sd3
- 2.Qxd3#
- 1...Qxb6+!
- threat
- 1.Ke8?
- threat
- 2.Sxb3#
- 2.Se6#
- 1...Qxc5
- 2.Bxc5#
- 1...Sd3
- 2.Qxd3#
- 1...Qxb6!
- threat
- 1.Ba7?
- 1...Qxc5+
- 2.Bxc5#
- 1...Sd3
- 2.Qxd3#
- 1...Qe1
- 2.Sxb3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Sb7#
- 2.Sxd7#
- 1...Qd2
- 2.Sxb3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Sb7#
- 2.Sxd7#
- 1...Qc3
- 2.Sd2#
- 2.Sf2#
- 2.Sg3#
- 2.Sd6#
- 2.Sf6#
- 2.Sxb3#
- 2.Se6#
- 1...Qa5
- 2.Sxb3#
- 2.Se6#
- 1...Qa4
- 2.Sxb3#
- 2.Sxa4#
- 2.Sa6#
- 2.Se6#
- 1...Qc4
- 2.Sxb3#
- 2.Se6#
- 2.Qf2#
- 1...Qb5
- 2.Sxb3#
- 2.Se6#
- 1...Qb6
- 2.Sxb3#
- 1...Qb7
- 2.Sxb3#
- 2.Se6#
- 2.Sxb7#
- 1...Qb8
- 2.Sxb3#
- 2.Se6#
- 1...Sd1
- 2.Qd3#
- 1...Sa4
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...d6
- 2.Sxb3#
- 2.Se6#
- 1...Qa3!
- 1...Qxc5+
- 1.Qf3?
- threat
- 2.Sd2#
- 2.Sf2#
- 2.Sc3#
- 2.Sg3#
- 2.Sd6#
- 2.Sf6#
- 1...Qxc5+
- 2.Sxc5#
- 2.Sd6#
- 1...Kc4
- 2.Sc3#
- 2.Sd6#
- 1...Qxb6
- 2.Qc3#
- 1...Qd2
- 2.Sxd2#
- 1...Qc3
- 2.Sd2#
- 2.Sf2#
- 2.Sxc3#
- 2.Sg3#
- 2.Sd6#
- 2.Sf6#
- 2.Qxc3#
- 1...Sd3
- 2.Qxd3#
- 1...d6
- 2.Sd2#
- 2.Sf2#
- 2.Sc3#
- 2.Sg3#
- 2.Sxd6#
- 2.Sf6#
- 1...Qe1!
- threat
- 1.Qc2?
- 1...Qxc5+
- 2.Bxc5#
- 1...Ke3
- 2.Qf2#
- 1...Qxb6
- 2.Qc3#
- 1...Qc3
- 2.Qxc3#
- 1...Qa3
- 2.Qc3#
- 1...Qe1
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Sb7#
- 2.Sxd7#
- 1...Qd2
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Sb7#
- 2.Sxd7#
- 1...Qa5
- 2.Sxb3#
- 2.Se6#
- 1...Qa4
- 2.Sxb3#
- 2.Sd3#
- 2.Sxa4#
- 2.Sa6#
- 2.Se6#
- 2.Sb7#
- 2.Sxd7#
- 2.Qc3#
- 1...Qc4
- 2.Sxb3#
- 2.Se6#
- 2.Qf2#
- 1...Qb5
- 2.Sxb3#
- 2.Se6#
- 2.Qc3#
- 1...Sd1
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sa4
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...d6
- 2.Sxb3#
- 2.Se6#
- 1...bxc2!
- 1...Qxc5+
- 1.Qd2+?
- 1...Kc4
- 2.Sc3#
- 2.Sd6#
- 1...Sd3
- 2.Sf2#
- 2.Sc3#
- 2.Sg3#
- 2.Sd6#
- 2.Sf6#
- 2.Qxd3#
- 1...Qxd2!
- 1...Kc4
- 1.Qe3+?
- 1...Kc4
- 2.Sc3#
- 2.Sd6#
- 1...Kxe3!
- 1...Kc4
- 1.d6?
- threat
- 2.Sxb3#
- 2.Se6#
- 1...Qxc5
- 2.Bxc5#
- 1...Sd3
- 2.Qxd3#
- 1...Qxb6!
- threat
- 1.Kf6?
- Keys
- 1.Ba5!
- 1...Qxc5+
- 2.Sd6#
- 1...Qxa5
- 2.Sxb3#
- 1...Sd3
- 2.Qxd3#
- 1...Qe1
- 2.Sxb3#
- 1...Qd2
- 2.Sxb3#
- 1...Qa3
- 2.Bc3#
- 1...Qc3
- 2.Bxc3#
- 1...Qa4
- 2.Bc3#
- 1...Qc4
- 2.Qf2#
- 1...Qb5
- 2.Bc3#
- 1...Qb6
- 2.Bc3#
- 1...Qb7
- 2.Bc3#
- 1...Qb8
- 2.Bc3#
- 1...Sd1
- 2.Qd3#
- 1...Sa4
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...d6
- 2.Se6#
- 1...Qxc5+
- 1.Ba5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- Q(e);CHECK,OGATE,P_SPINQ(e),XS(D)::B(G),XQ(e)
- S(c);N_GUARD::QAR1(A)
- S(c);N_GUARD::QAR1(A),XS(c)
- Tries
- Try
- K(H);N_SPINS(D),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(e);OGATE,P_SPINQ(e),XS(D)::B(G),XQ(e)
- S(c);N_GUARD::QAR1(A),XS(c)
- Refutation
- Q(e);CHECK,XB(G)
- Try
- K(H);N_SPINS(D),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(e);OGATE,P_SPINQ(e),XS(D)::B(G),XQ(e)
- S(c);N_GUARD::QAR1(A),XS(c)
- Refutation
- Q(e);XB(G)
- Try
- K(H);N_SPINS(D),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(e);OGATE,P_SPINQ(e),XS(D)::B(G),XQ(e)
- S(c);N_GUARD::QAR1(A),XS(c)
- Refutation
- Q(e);CHECK,XB(G)
- Try
- K(H);N_SPINS(D),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(e);OGATE,P_SPINQ(e),XS(D)::B(G),XQ(e)
- S(c);N_GUARD::QAR1(A),XS(c)
- Refutation
- Q(e);XB(G)
- Try
- B(G);
- Vars
- Q(e);CHECK,OGATE,P_SPINQ(e),XS(D)::B(G),XQ(e)
- S(c);N_GUARD::QAR1(A),XS(c)
- Q(e);N_PINS(D)::S(D),XP(d)
- S(c);N_GUARD::QAR1(A)
- Refutation
- Q(e);
- Try
- Q(A);
- Threat
- DUALS(6)
- Vars
- Q(e);N_GUARD,N_PINS(D),XB(G)::QAB1(A)
- Q(e);N_PINS(D)::R(C)+S(B),XQ(e)
- S(c);N_GUARD::QAR1(A),XS(c)
- Refutation
- Q(e);N_PINS(D),P_PINS(B)
- Try
- Q(A);
- Vars
- Q(e);CHECK,OGATE,P_SPINQ(e),XS(D)::B(G),XQ(e)
- K(f);S_FLIGHT::QAB1(A)
- Q(e);N_GUARD,N_PINS(D),XB(G)::QAB1(A)
- Q(e);N_GUARD,N_PINS(D)::QAB1(A),XQ(e)
- Q(e);N_GUARD::QAB1(A)
- S(c);N_GUARD::QAR1(A)
- S(c);N_GUARD::QAR1(A),XS(c)
- Refutation
- P(d);XQ(A)
- Try
- Q(A);CHECK
- Refutation
- Q(e);N_PINS(D),XQ(A)
- Try
- Q(A);CHECK
- Refutation
- K(f);S_FLIGHT,XQ(A)
- Try
- P(E);N_SPINS(D)
- Threat
- DUALS(2)
- Vars
- Q(e);OGATE,P_PINP(E),P_SPINQ(e),XS(D)::B(G),XQ(e)
- S(c);N_GUARD::QAR1(A),XS(c)
- Refutation
- Q(e);XB(G)
- Try
- Actual
- B(G);
- Vars
- Q(e);CHECK,SBLOCK,XS(D)::R(C)+S(B)
- Q(e);N_PINS(D),XB(G)::S(D),XP(d)
- S(c);N_GUARD::QAR1(A),XS(c)
- Q(e);N_PINS(D)::S(D),XP(d)
- Q(e);OGATE::B(G)
- Q(e);N_PINS(D),OGATE::B(G),XQ(e)
- Q(e);N_PINS(D),OGATE::B(G)
- Q(e);N_PINS(D),SBLOCK::QAB(A)
- S(c);N_GUARD::QAR1(A)
- P(g);N_PINS(D)::S(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).