MESON Chess Problem Database
Problem Display
PID: 27792 (8/8/K7/8/5Q2/2R1pn2/2P1k3/3NB1R1 w - - 0 1)
Lebeck, Donald
Mate in Two!! (Lebeck), 1992
#2
7 + 3
SOLUTION
- SOUND
- Tries
- 1.Sf2?
- threat
- 2.Rxe3#
- 2.Qxe3#
- 2.Qc4#
- 1...Sxe1
- 2.Qxe3#
- 1...exf2
- 2.Qxf3#
- 1...Sd2
- 2.Rxe3#
- 2.Qxe3#
- 1...Sh2
- 2.Rxe3#
- 2.Qxe3#
- 1...Sd4
- 2.Rxe3#
- 2.Qxe3#
- 1...Sh4
- 2.Rxe3#
- 2.Qxe3#
- 1...Se5
- 2.Rxe3#
- 2.Qxe3#
- 1...Sg5
- 2.Rxe3#
- 2.Qxe3#
- 1...Sxg1!
- threat
- 1.Sxe3?
- threat
- 2.Qc4#
- 1...Sxg1
- 2.Qf1#
- 2.Qf2#
- 1...Sd2
- 2.Qf2#
- 1...Sh2
- 2.Qf2#
- 1...Sd4
- 2.Qf1#
- 2.Qf2#
- 1...Sh4
- 2.Qf1#
- 2.Qf2#
- 1...Se5
- 2.Qf1#
- 2.Qf2#
- 1...Sg5
- 2.Qf1#
- 2.Qf2#
- 1...Sxe1!
- threat
- 1.Rd3?
- threat
- 2.Sc3#
- 2.Qxe3#
- 1...Sd2
- 2.Sc3#
- 1...Sxg1!
- threat
- 1.Sf2?
- Keys
- 1.Sb2!
- threat
- 2.Rxe3#
- 2.Qxe3#
- 2.Qc4#
- 1...Sxe1
- 2.Qxe3#
- 1...Sxg1
- 2.Rxe3#
- 1...Sd2
- 2.Rxe3#
- 2.Qxe3#
- 1...Sh2
- 2.Rxe3#
- 2.Qxe3#
- 1...Sd4
- 2.Rxe3#
- 2.Qxe3#
- 2.Qf1#
- 1...Sh4
- 2.Rxe3#
- 2.Qxe3#
- 2.Qf1#
- 1...Se5
- 2.Rxe3#
- 2.Qxe3#
- 2.Qf1#
- 1...Sg5
- 2.Rxe3#
- 2.Qxe3#
- 2.Qf1#
- threat
- 1.Sb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(A);
- Threat
- DUALS(3)
- Vars
- S(c);XB(B)::QAR1(F),XP(b)
- P(b);XS(A)::QAB1(F),XS(c)
- Refutation
- S(c);XR(C)
- Try
- S(A);XP(b)
- Threat
- QAB(F)
- Vars
- S(c);OGATE::QAR1(F)
- Refutation
- S(c);XB(B)
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- S(c);::S(A)
- Refutation
- S(c);XR(C)
- Try
- Actual
- S(A);
- Threat
- DUALS(3)
- Vars
- S(c);XB(B)::QAR1(F),XP(b)
- S(c);XR(C)::R1(E),XP(b)
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).