MESON Chess Problem Database
Problem Display
PID: 151808 (8/8/8/4K3/8/1Q6/3pkB2/5bR1 w - - 0 1)
Lincoln, Robert A
Seven Chess Notes, 2010
#2
4 + 3
| 56 | The Problemist | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Bg2
- 2.Qe3#
- 1...Bh3
- 2.Qe3#
- 1...d1Q
- 2.Qe3#
- 1...d1B
- 2.Qe3#
- 1...d1R
- 2.Qe3#
- 1...Bg2
- Tries
- 1.Ke4?
- threat
- 2.Qf3#
- 1...Kxf2
- 2.Qe3#
- 1...d1Q
- 2.Qe3#
- 1...d1S
- 2.Qc2#
- 1...d1B
- 2.Qe3#
- 1...d1R
- 2.Qe3#
- 1...Bg2+!
- threat
- 1.Rxf1?
- 1...d1Q
- 2.Qxd1#
- 1...d1S
- 2.Qxd1#
- 1...d1B
- 2.Qxd1#
- 1...d1R
- 2.Qxd1#
- 1...Kxf1!
- 1...d1Q
- 1.Ke4?
- Keys
- 1.Kf4!
- threat
- 2.Qf3#
- 1...Kxf2
- 2.Qe3#
- 1...d1Q
- 2.Qe3#
- 1...d1S
- 2.Qc2#
- 1...d1B
- 2.Qe3#
- 1...d1R
- 2.Qe3#
- 1...Bg2
- 2.Qe3#
- threat
- 1.Kf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- B(a);::QAR1(C)
- P(b);SBLOCK::QAR1(C)
- Tries
- Try
- K(D);P-FLIGHT
- Threat
- QAB1(C)
- Vars
- K(c);P-FLIGHT,XB(B)::QAB1(C)
- P(b);SBLOCK::QAR1(C)
- P(b);OGATEB::QAR2(C)
- Refutation
- B(a);CHECK
- Try
- R(A);XB(a)
- Vars
- P(b);::QAB1(C),XQ(b)
- P(b);::QAB1(C),XS(b)
- P(b);::QAB1(C),XB(b)
- P(b);::QAB1(C),XR(b)
- Refutation
- K(c);S_FLIGHT,XR(A)
- Try
- Actual
- K(D);S_FLIGHT
- Threat
- QAB1(C)
- Vars
- K(c);P-FLIGHT,XB(B)::QAB1(C)
- P(b);SBLOCK::QAR1(C)
- P(b);OGATEB::QAR2(C)
- B(a);::QAR1(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).