MESON Chess Problem Database
Problem Display
PID: 78371 (8/3q1P2/2k1p3/BNN1P3/1PBp4/3K4/8/8 w - - 0 1)
Shanahan, Ian
Australian Chess, 2003
#2
8 + 4
SOLUTION
- SOUND
- Sets
- 1...Qc8
- 2.Sxd4#
- 2.Sa7#
- 1...Qe8
- 2.Sxd4#
- 2.Sa7#
- 2.fxe8Q#
- 2.fxe8B#
- 1...Qd5
- 2.Sa7#
- 1...Qd6
- 2.Sa7#
- 1...Qa7
- 2.Sxd4#
- 2.Sxa7#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qxf7
- 2.Sxd4#
- 1...Qd8
- 2.Sa7#
- 1...Qc8
- Tries
- 1.Kc2?
- 1...Qxf7
- 2.Sxd4#
- 1...Qc8
- 2.Sxd4#
- 2.Sa7#
- 1...Qe8
- 2.Sxd4#
- 2.Sa7#
- 2.fxe8Q#
- 2.fxe8B#
- 1...Qd5
- 2.Sa7#
- 1...Qd6
- 2.Sa7#
- 1...Qa7
- 2.Sxd4#
- 2.Sxa7#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qd8
- 2.Sa7#
- 1...d3+!
- 1...Qxf7
- 1.Kd2?
- 1...Qxf7
- 2.Sxd4#
- 1...Qc8
- 2.Sxd4#
- 2.Sa7#
- 1...Qe8
- 2.Sxd4#
- 2.Sa7#
- 2.fxe8Q#
- 2.fxe8B#
- 1...Qd5
- 2.Sa7#
- 1...Qd6
- 2.Sa7#
- 1...Qa7
- 2.Sxd4#
- 2.Sxa7#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qd8
- 2.Sa7#
- 1...d3!
- 1...Qxf7
- 1.Ke2?
- 1...Qxf7
- 2.Sxd4#
- 1...Qc8
- 2.Sxd4#
- 2.Sa7#
- 1...Qe8
- 2.Sxd4#
- 2.Sa7#
- 2.fxe8Q#
- 2.fxe8B#
- 1...Qd5
- 2.Sa7#
- 1...Qd6
- 2.Sa7#
- 1...Qa7
- 2.Sxd4#
- 2.Sxa7#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qd8
- 2.Sa7#
- 1...d3+!
- 1...Qxf7
- 1.Ba2?
- 1...Qxf7
- 2.Sxd4#
- 1...Qc8
- 2.Sxd4#
- 2.Sa7#
- 1...Qe8
- 2.Sxd4#
- 2.Sa7#
- 2.fxe8Q#
- 2.fxe8B#
- 1...Qd5
- 2.Sa7#
- 1...Qd6
- 2.Sa7#
- 1...Qa7
- 2.Sxd4#
- 2.Sxa7#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qd8
- 2.Sa7#
- 1...Kxb5!
- 1...Qxf7
- 1.Bxe6?
- 1...Kxb5
- 2.Bxd7#
- 1...Qxf7
- 2.Sxd4#
- 1...Qc8
- 2.Sxd4#
- 2.Sa7#
- 1...Qe8
- 2.Sxd4#
- 2.Sa7#
- 2.fxe8Q#
- 2.fxe8B#
- 1...Qd5
- 2.Sa7#
- 1...Qd6
- 2.Sa7#
- 1...Qa7
- 2.Sxd4#
- 2.Sxa7#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qd8
- 2.Sa7#
- 1...Qxe6!
- 1...Kxb5
- 1.f8Q?
- 1...Qc8
- 2.Sxd4#
- 2.Sa7#
- 2.Qd6#
- 2.Qf3#
- 2.Qxc8#
- 1...Qe8
- 2.Sxd4#
- 2.Sa7#
- 2.Qd6#
- 2.Qf3#
- 2.Qxe8#
- 1...Qd5
- 2.Sa7#
- 2.Qa8#
- 2.Qc8#
- 1...Qd6
- 2.Sa7#
- 2.Qxd6#
- 2.Qa8#
- 1...Qa7
- 2.Sxd4#
- 2.Sxa7#
- 2.Qd6#
- 2.Qf3#
- 1...Qb7
- 2.Sxd4#
- 2.Qd6#
- 2.Qf3#
- 1...Qc7
- 2.Sxd4#
- 2.Qf3#
- 1...Qe7
- 2.Sxd4#
- 2.Qf3#
- 1...Qf7
- 2.Sxd4#
- 2.Qd6#
- 1...Qg7
- 2.Sxd4#
- 2.Qd6#
- 2.Qf3#
- 1...Qd8
- 2.Sa7#
- 1...Qh7+!
- 1...Qc8
- 1.f8S?
- 1...Qc8
- 2.Sxd4#
- 2.Sa7#
- 1...Qe8
- 2.Sxd4#
- 2.Sa7#
- 1...Qd5
- 2.Sa7#
- 1...Qd6
- 2.Sa7#
- 1...Qa7
- 2.Sxd4#
- 2.Sxa7#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qf7
- 2.Sxd4#
- 1...Qg7
- 2.Sxd4#
- 1...Qd8
- 2.Sa7#
- 1...Qh7+!
- 1...Qc8
- 1.f8B?
- 1...Qc8
- 2.Sxd4#
- 2.Sa7#
- 1...Qe8
- 2.Sxd4#
- 2.Sa7#
- 1...Qd5
- 2.Sa7#
- 1...Qd6
- 2.Sa7#
- 1...Qa7
- 2.Sxd4#
- 2.Sxa7#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qf7
- 2.Sxd4#
- 1...Qg7
- 2.Sxd4#
- 1...Qd8
- 2.Sa7#
- 1...Qh7+!
- 1...Qc8
- 1.f8R?
- 1...Qc8
- 2.Sxd4#
- 2.Sa7#
- 2.Rxc8#
- 1...Qe8
- 2.Sxd4#
- 2.Sa7#
- 1...Qd5
- 2.Sa7#
- 2.Rc8#
- 1...Qd6
- 2.Sa7#
- 1...Qa7
- 2.Sxd4#
- 2.Sxa7#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qf7
- 2.Sxd4#
- 1...Qg7
- 2.Sxd4#
- 1...Qd8
- 2.Sa7#
- 1...Qh7+!
- 1...Qc8
- 1.Kc2?
- Keys
- 1.Bb3!
- 1...Kxb5
- 2.Ba4#
- 1...Qxf7
- 2.Sxd4#
- 1...Qc8
- 2.Sxd4#
- 2.Sa7#
- 1...Qe8
- 2.Sxd4#
- 2.Sa7#
- 2.fxe8Q#
- 2.fxe8B#
- 1...Qd5
- 2.Sa7#
- 1...Qd6
- 2.Sa7#
- 1...Qa7
- 2.Sxd4#
- 2.Sxa7#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qd8
- 2.Sa7#
- 1...Kxb5
- 1.Bb3!
This is a version of 78370
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(d);N_GUARD::S(E)
- Q(d);N_GUARD::S(E),XP(a)
- Q(d);N_GUARD,XP(H)::S(E),XP(a)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- Q(d);N_GUARD,XP(H)::S(E),XP(a)
- Q(d);N_GUARD::S(E)
- Q(d);N_GUARD::S(E),XP(a)
- Refutation
- P(a);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- Q(d);N_GUARD,XP(H)::S(E),XP(a)
- Q(d);N_GUARD::S(E)
- Q(d);N_GUARD::S(E),XP(a)
- Refutation
- P(a);
- Try
- K(A);S_FLIGHT
- Vars
- Q(d);N_GUARD,XP(H)::S(E),XP(a)
- Q(d);N_GUARD::S(E)
- Q(d);N_GUARD::S(E),XP(a)
- Refutation
- P(a);CHECK
- Try
- B(C);
- Vars
- Q(d);N_GUARD,XP(H)::S(E),XP(a)
- Q(d);N_GUARD::S(E)
- Q(d);N_GUARD::S(E),XP(a)
- Refutation
- K(b);S_FLIGHT,XS(E)
- Try
- B(C);XP(c)
- Vars
- K(b);S_FLIGHT,XS(E)::B(C),XQ(d)
- Q(d);N_GUARD,XP(H)::S(E),XP(a)
- Q(d);N_GUARD::S(E)
- Q(d);N_GUARD::S(E),XP(a)
- Refutation
- Q(d);XB(C)
- Try
- P(H);
- Vars
- Q(d);N_GUARD::S(E)
- Refutation
- Q(d);CHECK
- Try
- P(H);
- Vars
- Q(d);N_GUARD::S(E)
- Q(d);N_GUARD::S(E),XP(a)
- Refutation
- Q(d);CHECK
- Try
- P(H);
- Vars
- Q(d);N_GUARD::S(E)
- Q(d);N_GUARD::S(E),XP(a)
- Refutation
- Q(d);CHECK
- Try
- P(H);
- Vars
- Q(d);N_GUARD::S(E)
- Q(d);N_GUARD::S(E),XP(a)
- Refutation
- Q(d);CHECK
- Try
- Actual
- B(C);
- Vars
- K(b);OGATEB,S_FLIGHT,XS(E)::B(C)
- Q(d);N_GUARD,XP(H)::S(E),XP(a)
- Q(d);N_GUARD::S(E)
- Q(d);N_GUARD::S(E),XP(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).