MESON Chess Problem Database
Problem Display
PID: 8066 (8/6Q1/4P3/2q5/2k1P3/B1N1P3/2K5/2n5 w - - 0 1)
Rice, John Michael
Chess Problems for Solving, 1995
#2
7 + 3
SOLUTION
- SOUND
- Sets
- 1...Qxa3
- 2.Qd4#
- 1...Qb4
- 2.Qd4#
- 1...Qd4
- 2.Qxd4#
- 1...Qe7
- 2.Qd4#
- 1...Qf8
- 2.Qd4#
- 1...Qa5
- 2.Qd4#
- 1...Qb5
- 2.Qd4#
- 1...Qf5
- 2.Qd4#
- 1...Qg5
- 2.Qd4#
- 1...Qh5
- 2.Qd4#
- 1...Qc6
- 2.Qd4#
- 1...Qc7
- 2.Qd4#
- 2.Qxc7#
- 1...Qc8
- 2.Qd4#
- 1...Qxa3
- Tries
- 1.Qb7?
- 1...Qxa3
- 2.Qb5#
- 1...Qxe3
- 2.Qd5#
- 2.Qb4#
- 1...Qb4
- 2.Qd5#
- 2.Qxb4#
- 1...Qb6
- 2.Qd5#
- 1...Qd4
- 2.Qa6#
- 2.Qb4#
- 2.Qb5#
- 1...Qd6
- 2.Qb5#
- 1...Qa7
- 2.Qd5#
- 2.Qb4#
- 2.Qb5#
- 1...Qe7
- 2.Qd5#
- 2.Qa6#
- 2.Qb5#
- 1...Qf8
- 2.Qd5#
- 2.Qa6#
- 2.Qb5#
- 1...Qb5
- 2.Qxb5#
- 1...Qd5
- 2.Qxd5#
- 2.Qb4#
- 1...Qe5
- 2.Qb4#
- 1...Qf5
- 2.Qb4#
- 1...Qg5
- 2.Qb4#
- 1...Qh5
- 2.Qb4#
- 1...Qc6
- 2.Qxc6#
- 2.Qb4#
- 1...Qc7
- 2.Qd5#
- 2.Qa6#
- 2.Qb4#
- 2.Qb5#
- 2.Qxc7#
- 1...Qc8
- 2.Qd5#
- 2.Qxc8#
- 2.Qb4#
- 2.Qb5#
- 1...Sa2
- 2.Qb3#
- 1...Se2
- 2.Qb3#
- 1...Sb3
- 2.Qxb3#
- 1...Sd3
- 2.Qb3#
- 1...Qa5!
- 1...Qxa3
- 1.Qb7?
- Keys
- 1.Qd7!
- 1...Qxa3
- 2.Qb5#
- 2.Qd4#
- 1...Qxe3
- 2.Qa4#
- 2.Qd5#
- 1...Qb4
- 2.Qd4#
- 2.Qd5#
- 1...Qb6
- 2.Qd5#
- 1...Qd4
- 2.Qa4#
- 2.Qb5#
- 2.Qxd4#
- 1...Qd6
- 2.Qb5#
- 1...Qa7
- 2.Qb5#
- 2.Qd5#
- 1...Qe7
- 2.Qb5#
- 2.Qd4#
- 2.Qd5#
- 1...Qf8
- 2.Qb5#
- 2.Qd4#
- 2.Qd5#
- 1...Qa5
- 2.Qd4#
- 1...Qb5
- 2.Qxb5#
- 2.Qd4#
- 1...Qd5
- 2.Qa4#
- 2.Qxd5#
- 1...Qe5
- 2.Qa4#
- 1...Qf5
- 2.Qa4#
- 2.Qd4#
- 1...Qg5
- 2.Qa4#
- 2.Qd4#
- 1...Qh5
- 2.Qa4#
- 2.Qd4#
- 1...Qc6
- 2.Qxc6#
- 2.Qd4#
- 1...Qc7
- 2.Qa4#
- 2.Qb5#
- 2.Qd4#
- 2.Qd5#
- 2.Qxc7#
- 1...Qc8
- 2.Qa4#
- 2.Qb5#
- 2.Qxc8#
- 2.Qd4#
- 2.Qd5#
- 1...Sa2
- 2.Qd3#
- 1...Se2
- 2.Qd3#
- 1...Sb3
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Qxa3
- 1.Qd7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 11
- Sets
- Q(c);N_GUARD,XB(B)::QAR1(G)
- Q(c);N_GUARD::QAR1(G)
- Q(c);N_GUARD::QAR1(G),XQ(c)
- Q(c);N_GUARD,P_PINP(E)::QAR1(G)
- Tries
- Try
- Q(G);
- Vars
- Q(c);N_GUARD,XB(B)::QAB1(G)
- Q(c);N_GUARD::QAB1(G)
- Q(c);N_GUARD::QAB1(G),XQ(c)
- Q(c);N_GUARD::QAR1(G)
- Q(c);N_GUARD,P_PINP(E)::QAR1(G)
- S(a);N_GUARD::QAB1(G)
- S(a);N_GUARD::QAB1(G),XS(a)
- Refutation
- Q(c);
- Try
- Actual
- Q(G);
- Vars
- Q(c);N_GUARD::QAB1(G)
- Q(c);N_GUARD::QAR1(G)
- Q(c);N_GUARD::QAR2(G)
- S(a);N_GUARD::QAB1(G)
- S(a);N_GUARD::QAB1(G),XS(a)
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).