MESON Chess Problem Database
Problem Display
PID: 23051 (8/8/8/8/P1N5/Q1p5/2p5/3k1K2 w - - 0 1)
Lincoln, Robert A
Fun with Chess Miniatures, 1996
#2
4 + 3
| 133 | The Problemist Supplement | 2009 |
SOLUTION
- SOUND
- Tries
- 1.Qb2?
- 1...c1Q
- 2.Qe2#
- 1...c1S
- 2.Se3#
- 1...c1B
- 2.Qe2#
- 1...c1R
- 2.Se3#
- 2.Qe2#
- 1...cxb2!
- 1...c1Q
- 1.Qe7?
- threat
- 2.Qe1#
- 1...Kc1
- 2.Qe1#
- 1...c1Q
- 2.Qe2#
- 1...c1B
- 2.Qe2#
- 1...c1R
- 2.Qe2#
- 1...c1S!
- threat
- 1.Qxc3?
- threat
- 2.Qe1#
- 2.Qd2#
- 1...Kc1
- 2.Qa1#
- 2.Qe1#
- 1...c1S
- 2.Sb2#
- 2.Se3#
- 2.Qd2#
- 1...c1B
- 2.Qb3#
- 1...c1R
- 2.Sb2#
- 2.Se3#
- 2.Qd2#
- 2.Qd3#
- 1...c1Q!
- threat
- 1.Qb2?
- Keys
- 1.Qa2!
- 1...Kc1
- 2.Qa1#
- 1...c1Q
- 2.Qe2#
- 1...c1S
- 2.Se3#
- 1...c1B
- 2.Qe2#
- 1...c1R
- 2.Se3#
- 2.Qe2#
- 1...Kc1
- 1.Qa2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(B);
- Vars
- P(b);OGATE,SBLOCK::QAB1(B)
- P(b);::S(D)
- Refutation
- P(c);XQ(B)
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- K(a);P-FLIGHT::QAR2(B)
- P(b);SBLOCK::QAB1(B)
- Refutation
- P(b);
- Try
- Q(B);XP(c)
- Threat
- DUALS(2)
- Vars
- P(b);OGATEB,SBLOCK::QAB(B)
- Refutation
- P(b);
- Try
- Actual
- Q(B);
- Vars
- K(a);P-FLIGHT::QAR2(B)
- P(b);OGATE,SBLOCK::QAB1(B)
- P(b);SBLOCK::S(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).