MESON Chess Problem Database
Problem Display
PID: 138792 (K1kN4/8/3b2QR/6B1/8/8/8/8 w - - 0 1)
Lincoln, Robert A
StrateGems, 2010
#2
5 + 2
SOLUTION
- SOUND
- Sets
- 1...Ba3
- 2.Qc6#
- 1...Bb4
- 2.Qc6#
- 1...Bc5
- 2.Qc6#
- 1...Bc7
- 2.Qf5#
- 2.Qe6#
- 1...Bf8
- 2.Qc6#
- 1...Ba3
- Tries
- 1.Qc2+?
- 1...Kd7
- 2.Qc6#
- 1...Bc7
- 2.Qf5#
- 1...Bc5!
- 1...Kd7
- 1.Qe4?
- threat
- 2.Qb7#
- 1...Kc7
- 2.Qc6#
- 2.Qb7#
- 1...Kd7
- 2.Qc6#
- 1...Bc7
- 2.Qf5#
- 2.Qg4#
- 2.Qe6#
- 1...Be7!
- threat
- 1.Qf7?
- threat
- 2.Qb7#
- 1...Bc7
- 2.Qe6#
- 2.Qf5#
- 1...Be7!
- threat
- 1.Qh7?
- threat
- 2.Qb7#
- 1...Bc7
- 2.Qf5#
- 1...Be7!
- threat
- 1.Qc2+?
- Keys
- 1.Qe8!
- threat
- 2.Se6#
- 1...Kc7
- 2.Qc6#
- 1...Bc7
- 2.Qe6#
- 1...Be7
- 2.Rc6#
- threat
- 1.Qe8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- B(a);OGATE::QAR2(B)
- Tries
- Try
- Q(B);CHECK
- Vars
- K(b);S_FLIGHT::QAB1(B)
- B(a);P_SPINB(a),SBLOCK::QAB(B)
- Refutation
- B(a);P_SPINB(a)
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- K(b);S_FLIGHT::QAB1(B)
- Refutation
- B(a);
- Try
- Q(B);
- Threat
- QAB1(B)
- Refutation
- B(a);
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- B(a);SBLOCK::QAB(B)
- Refutation
- B(a);
- Try
- Actual
- Q(B);
- Threat
- QAR(B)+S(E)
- Vars
- K(b);P-FLIGHT::QAR1(B)
- B(a);SBLOCK::QAB(B)
- B(a);OGATE::R(C)
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).