MESON Chess Problem Database
Problem Display
PID: 72120 (K1n4R/RP2k3/1p1p4/1N5N/8/1Q6/6q1/8 w - - 0 1)
Kipping, Cyril Stanley
Chess, 1952
#2
7 + 5
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- 1...Qh3
- 2.bxc8S#
- 1...Qxb7+
- 2.Rxb7#
- 1...Qg1
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- 1...Qa2
- 2.bxc8S#
- 1...Qb2
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- 1...Qc2
- 2.bxc8S#
- 1...Qd2
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- 1...Qe2
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- 1...Qf2
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- 1...Qh2
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- 1...Qg3
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- 1...Qg4
- 2.bxc8S#
- 1...Qg5
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- 1...Qg6
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- 1...Qg7
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- 1...Qg8
- 2.bxc8Q#
- 2.bxc8R#
- 1...d5
- 2.bxc8Q#
- 2.bxc8B#
- 1...Qf1
- Tries
- 1.Qe3+?
- 1...Kd7
- 2.Qe8#
- 1...Kf7
- 2.Qe8#
- 1...Qe4!
- 1...Kd7
- 1.Qe3+?
- Keys
- 1.Qg8!
- threat
- 2.Qe8#
- 1...Qxb7+
- 2.Rxb7#
- 1...Kd7
- 2.Qe8#
- 1...Qxg8
- 2.bxc8Q#
- 1...Qc6
- 2.Rh7#
- 1...Qg6
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- threat
- 1.Qg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- Q(a);N_PINP(E)::PXS(e)=S
- Q(a);CHECK,OGATE,P_SPINQ(a),XP(E)::R(D),XQ(a)
- Q(a);N_PINP(E),P_PINR(D)::PXS(e)=S
- Q(a);N_PINP(E)::PXS(e)=Q
- P(c);N_PINP(E)::PXS(e)=Q
- Tries
- Try
- Q(A);CHECK
- Vars
- K(d);OGATE,P-FLIGHT::QAB1(A)
- Refutation
- Q(a);P_SPINQ(a)
- Try
- Actual
- Q(A);
- Threat
- QAR1(A)
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XP(E)::R(D),XQ(a)
- K(d);P-FLIGHT::QAB1(A)
- Q(a);N_PINP(E),XQ(A)::PXS(e)=Q
- Q(a);N_GUARD::R(G)
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).