MESON Chess Problem Database
Problem Display
PID: 234460 (8/8/5Q2/K7/3B4/pk6/8/n6R w - - 0 1)
Lincoln, Robert A
ChessStar, 2013
#2
4 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sc2
- 2.Qe6#
- 2.Qf7#
- 1...Sc2
- Tries
- 1.Bxa1?
- 1...Ka2
- 2.Qe6#
- 2.Qf7#
- 1...Kc2
- 2.Qc3#
- 1...a2
- 2.Qc3#
- 1...Kc4!
- 1...Ka2
- 1.Rc1?
- threat
- 2.Qe6#
- 2.Qf7#
- 1...a2
- 2.Qf3#
- 1...Ka2!
- threat
- 1.Qf3+?
- 1...Ka2
- 2.Rxa1#
- 1...Kc2
- 2.Qd1#
- 2.Qc3#
- 1...Kc4!
- 1...Ka2
- 1.Qf5?
- 1...Ka2
- 2.Qb1#
- 1...Sc2
- 2.Qe6#
- 2.Qd5#
- 2.Qf7#
- 1...a2
- 2.Qd3#
- 1...Kc4!
- 1...Ka2
- 1.Qc6?
- 1...Sc2
- 2.Qd5#
- 2.Qe6#
- 1...a2
- 2.Rh3#
- 2.Qa4#
- 2.Qc3#
- 1...Ka2!
- 1...Sc2
- 1.Qg6?
- 1...Ka2
- 2.Qb1#
- 1...Sc2
- 2.Qf7#
- 2.Qe6#
- 2.Qg8#
- 1...a2
- 2.Qd3#
- 1...Kc4!
- 1...Ka2
- 1.Bxa1?
- Keys
- 1.Qf1!
- 1...Ka2
- 2.Qb1#
- 1...Kc2
- 2.Qd1#
- 1...Sc2
- 2.Qf7#
- 1...a2
- 2.Qd3#
- 1...Ka2
- 1.Qf1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(B);XS(a)
- Vars
- K(c);S_FLIGHT::QAR1(D)
- P(b);SBLOCK::QAR1(D)
- Refutation
- K(c);S_FLIGHT
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- P(b);SBLOCK::QAR(D)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(D);CHECK
- Vars
- K(c);S_FLIGHT::R1(A),XS(a)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(D);
- Vars
- K(c);S_FLIGHT::QAB1(D)
- P(b);SBLOCK::QAR2(D)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(D);
- Refutation
- K(c);S_FLIGHT
- Try
- Q(D);
- Vars
- K(c);S_FLIGHT::QAB1(D)
- P(b);SBLOCK::QAR2(D)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- Q(D);
- Vars
- K(c);S_FLIGHT::QAB1(D)
- S(a);SBLOCK::QAB(D)
- P(b);SBLOCK::QAR2(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).