MESON Chess Problem Database
Problem Display
PID: 27508 (3N4/2b5/1knPQ3/R7/1P1P4/8/8/7K w - - 0 1)
Lebeck, Donald
Mate in Two!! (Lebeck), 1992
#2
7 + 3
SOLUTION
- SOUND
- Tries
- 1.Qc4?
- threat
- 2.Ra6#
- 2.Qb5#
- 2.Qa6#
- 2.Qc5#
- 2.Qxc6#
- 1...Bxd6
- 2.Qxc6#
- 1...Bxd8
- 2.Qb5#
- 2.Qa6#
- 1...Sxb4
- 2.Qb5#
- 2.Qxb4#
- 2.Qc5#
- 2.Qxc7#
- 1...Sxd4
- 2.Ra6#
- 2.Qa6#
- 2.Qxd4#
- 2.Qc5#
- 2.Qxc7#
- 1...Sxd8
- 2.Qb5#
- 2.Qa6#
- 2.Qxc7#
- 1...Se5
- 2.Ra6#
- 2.Qb5#
- 2.Qa6#
- 2.Qc5#
- 2.Qxc7#
- 1...Sa7
- 2.Ra6#
- 2.Qa6#
- 2.Qc5#
- 2.Qxc7#
- 1...Se7
- 2.Ra6#
- 2.Qb5#
- 2.Qa6#
- 2.Qc5#
- 2.Qxc7#
- 1...Sb8
- 2.Qb5#
- 2.Qc5#
- 2.Qxc7#
- 1...Sxa5!
- threat
- 1.Qc8?
- threat
- 2.Qa6#
- 2.Qb7#
- 2.Qxc7#
- 1...Bxd6
- 2.Qb7#
- 2.Qxc6#
- 1...Bxd8
- 2.Qa6#
- 1...Sxb4
- 2.Qxc7#
- 1...Sxd8
- 2.Qa6#
- 2.Qxc7#
- 1...Bb8
- 2.Qa6#
- 2.Qb7#
- 2.Qxc6#
- 1...Sb8
- 2.Qb7#
- 2.Qxc7#
- 1...Sxa5!
- threat
- 1.Qc4?
- Keys
- 1.Qd5!
- threat
- 2.Qxc6#
- 2.Qb5#
- 2.Qc5#
- 1...Bxd6
- 2.Qxc6#
- 1...Bxd8
- 2.Qb5#
- 1...Sxb4
- 2.Qb5#
- 2.Qc5#
- 1...Sxd4
- 2.Qb7#
- 2.Qxd4#
- 2.Qc5#
- 1...Sxa5
- 2.Qxa5#
- 1...Sxd8
- 2.Qb5#
- 1...Se5
- 2.Qb7#
- 2.Qb5#
- 2.Qc5#
- 1...Sa7
- 2.Qb7#
- 2.Qc5#
- 1...Se7
- 2.Qb7#
- 2.Qb5#
- 2.Qc5#
- 1...Sb8
- 2.Qb7#
- 2.Qb5#
- 2.Qc5#
- threat
- 1.Qd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(F);
- Threat
- DUALS(5)
- Vars
- B(c);XP(E)::QAR1(F),XS(b)
- Refutation
- S(b);XR(D)
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- B(c);XS(G)::QAR1(F)
- S(b);XP(B)::QAB1(F),XB(c)
- Refutation
- S(b);XR(D)
- Try
- Actual
- Q(F);
- Threat
- DUALS(3)
- Vars
- B(c);XP(E)::QAR1(F),XS(b)
- B(c);XS(G)::QAR1(F)
- S(b);OGATE,XR(D)::QAB1(F),XS(b)
- S(b);XS(G)::QAR1(F)
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).