MESON Chess Problem Database
Problem Display
PID: 23026 (K1k4q/ppB1Q3/8/8/8/8/8/8 w - - 0 1)
Lincoln, Robert A
More Fun with Chess Miniatures, 2000
#2
3 + 4
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Qd8#
- 1...Qb2
- 2.Qd8#
- 1...Qc3
- 2.Qd8#
- 1...Qe5
- 2.Qd8#
- 1...Qg7
- 2.Qd8#
- 1...Qh1
- 2.Qd8#
- 1...Qh2
- 2.Qd8#
- 1...Qh3
- 2.Qd8#
- 1...Qh5
- 2.Qd8#
- 1...Qh6
- 2.Qd8#
- 1...Qh7
- 2.Qd8#
- 1...Qd8
- 2.Qxd8#
- 1...Qa1
- Tries
- 1.Bg3?
- threat
- 2.Qc7#
- 1...Qc3
- 2.Qe8#
- 1...Qg7
- 2.Qe8#
- 1...Qh7
- 2.Qe8#
- 1...Qd8
- 2.Qxb7#
- 1...Qe5!
- threat
- 1.Bf4?
- threat
- 2.Qc7#
- 1...Qc3
- 2.Qe8#
- 1...Qg7
- 2.Qe8#
- 1...Qh7
- 2.Qe8#
- 1...Qd8
- 2.Qxb7#
- 1...Qe5!
- threat
- 1.Ba5?
- threat
- 2.Qe6#
- 2.Qxb7#
- 2.Qc7#
- 1...Qe5
- 2.Qd8#
- 2.Qxb7#
- 1...Qb2
- 2.Qd8#
- 2.Qe6#
- 2.Qc7#
- 2.Qe8#
- 1...Qc3
- 2.Qd8#
- 2.Qe6#
- 2.Qxb7#
- 2.Qe8#
- 1...Qd4
- 2.Qxb7#
- 2.Qc7#
- 1...Qf6
- 2.Qxb7#
- 2.Qc7#
- 1...Qg7
- 2.Qd8#
- 2.Qe8#
- 1...Qh1
- 2.Qd8#
- 2.Qe6#
- 2.Qc7#
- 2.Qe8#
- 1...Qh2
- 2.Qd8#
- 2.Qe6#
- 2.Qxb7#
- 2.Qe8#
- 1...Qh3
- 2.Qd8#
- 2.Qxb7#
- 2.Qc7#
- 2.Qe8#
- 1...Qh6
- 2.Qd8#
- 2.Qxb7#
- 2.Qc7#
- 2.Qe8#
- 1...Qh7
- 2.Qd8#
- 2.Qe8#
- 1...Qd8
- 2.Qxd8#
- 2.Qxb7#
- 1...Qe8
- 2.Qxb7#
- 2.Qc7#
- 2.Qxe8#
- 1...Qg8
- 2.Qxb7#
- 2.Qc7#
- 1...b5
- 2.Qe6#
- 2.Qb7#
- 2.Qc7#
- 1...b6!
- threat
- 1.Be5?
- threat
- 2.Qc7#
- 1...Qg7
- 2.Qe8#
- 1...Qh7
- 2.Qe8#
- 1...Qd8
- 2.Qxb7#
- 1...Qxe5!
- threat
- 1.Bb6?
- threat
- 2.Qe6#
- 2.Qxb7#
- 2.Qc7#
- 1...Qe5
- 2.Qd8#
- 2.Qxb7#
- 1...Qc3
- 2.Qd8#
- 2.Qe6#
- 2.Qxb7#
- 2.Qe8#
- 1...Qd4
- 2.Qxb7#
- 2.Qc7#
- 1...Qf6
- 2.Qxb7#
- 2.Qc7#
- 1...Qg7
- 2.Qd8#
- 2.Qe8#
- 1...Qh1
- 2.Qd8#
- 2.Qe6#
- 2.Qc7#
- 2.Qe8#
- 1...Qh2
- 2.Qd8#
- 2.Qe6#
- 2.Qxb7#
- 2.Qe8#
- 1...Qh3
- 2.Qd8#
- 2.Qxb7#
- 2.Qc7#
- 2.Qe8#
- 1...Qh6
- 2.Qd8#
- 2.Qxb7#
- 2.Qc7#
- 2.Qe8#
- 1...Qh7
- 2.Qd8#
- 2.Qe8#
- 1...Qd8
- 2.Qxd8#
- 2.Qxb7#
- 1...Qe8
- 2.Qxb7#
- 2.Qc7#
- 2.Qxe8#
- 1...Qg8
- 2.Qxb7#
- 2.Qc7#
- 1...axb6!
- threat
- 1.Bb8?
- threat
- 2.Qc7#
- 1...Qc3
- 2.Qe8#
- 1...Qg7
- 2.Qe8#
- 1...Qh2
- 2.Qe8#
- 1...Qh7
- 2.Qe8#
- 1...Qd8
- 2.Qxb7#
- 1...Qe5!
- threat
- 1.Bg3?
- Keys
- 1.Bd6!
- threat
- 2.Qc7#
- 1...Qc3
- 2.Qe8#
- 1...Qg7
- 2.Qe8#
- 1...Qh7
- 2.Qe8#
- 1...Qd8
- 2.Qxb7#
- threat
- 1.Bd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- Q(d);N_GUARD::QAR1(B)
- Q(d);N_GUARD::QAR1(B),XQ(d)
- Tries
- Try
- B(A);
- Threat
- QAR1(B)
- Vars
- Q(d);N_GUARD::QAR2(B)
- Q(d);SBLOCK::QAB1(B),XP(b)
- Refutation
- Q(d);
- Try
- B(A);
- Threat
- QAR1(B)
- Vars
- Q(d);N_GUARD::QAR2(B)
- Q(d);SBLOCK::QAB1(B),XP(b)
- Refutation
- Q(d);
- Try
- B(A);
- Threat
- DUALS(3)
- Refutation
- P(b);
- Try
- B(A);
- Threat
- QAR1(B)
- Vars
- Q(d);N_GUARD::QAR2(B)
- Q(d);SBLOCK::QAB1(B),XP(b)
- Refutation
- Q(d);XB(A)
- Try
- B(A);
- Threat
- DUALS(3)
- Refutation
- P(a);XB(A)
- Try
- B(A);
- Threat
- QAR1(B)
- Vars
- Q(d);N_GUARD::QAR2(B)
- Q(d);SBLOCK::QAB1(B),XP(b)
- Refutation
- Q(d);
- Try
- Actual
- B(A);
- Threat
- QAR1(B)
- Vars
- Q(d);N_GUARD::QAR2(B)
- Q(d);SBLOCK::QAB1(B),XP(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).