MESON Chess Problem Database
Problem Display
PID: 158176 (7Q/6B1/pK6/5p2/2k5/8/8/3B4 w - - 0 1)
Lincoln, Robert A
British Chess Magazine, 2016
#2
4 + 3
SOLUTION
- SOUND
- Tries
- 1.Ba1?
- threat
- 2.Qd4#
- 1...Kd3
- 2.Qd4#
- 1...Kb4
- 2.Qc3#
- 1...Kd5!
- threat
- 1.Bb2?
- threat
- 2.Qd4#
- 1...Kd3
- 2.Qd4#
- 1...Kb4
- 2.Qc3#
- 2.Qd4#
- 1...Kd5!
- threat
- 1.Bc3?
- threat
- 2.Qd4#
- 1...Kd3
- 2.Qd4#
- 1...Kd5!
- threat
- 1.Qh3?
- threat
- 2.Qb3#
- 1...Kb4
- 2.Qb3#
- 2.Qc3#
- 1...Kd5!
- threat
- 1.Qc8+?
- 1...Kb4
- 2.Bf8#
- 2.Qc3#
- 2.Qc5#
- 1...Kd5
- 2.Qc6#
- 1...Kd3!
- 1...Kb4
- 1.Qg8+?
- 1...Kb4
- 2.Qb3#
- 1...Kd3!
- 1...Kb4
- 1.Ba1?
- Keys
- 1.Qe8!
- 1...Kd3
- 2.Qe2#
- 1...Kb4
- 2.Qa4#
- 1...Kd5
- 2.Qc6#
- 1...f4
- 2.Qe4#
- 1...a5
- 2.Qb5#
- 1...Kd3
- 1.Qe8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(C);
- Threat
- QAR1(D)
- Vars
- K(a);S_FLIGHT::QAR1(D)
- K(a);P-FLIGHT::QAB1(D)
- Refutation
- K(a);S_FLIGHT
- Try
- B(C);
- Threat
- QAR1(D)
- Vars
- K(a);S_FLIGHT::QAR1(D)
- Refutation
- K(a);S_FLIGHT
- Try
- B(C);
- Threat
- QAR1(D)
- Vars
- K(a);S_FLIGHT::QAR1(D)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(D);
- Threat
- QAB1(D)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(D);CHECK
- Vars
- K(a);S_FLIGHT::QAB1(D)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(D);CHECK
- Vars
- K(a);OGATE,P-FLIGHT::QAR1(D)
- Refutation
- K(a);S_FLIGHT
- Try
- Actual
- Q(D);
- Vars
- K(a);S_FLIGHT::QAB1(D)
- K(a);P-FLIGHT::QAR1(D)
- P(b);N_GUARD::QAR2(D)
- P(c);N_GUARD::QAB1(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).