MESON Chess Problem Database
Problem Display
PID: 27302 (6R1/8/4R2n/5N1k/1K4n1/5P2/8/4B3 w - - 0 1)
Lebeck, Donald
Mate in Two!! (Lebeck), 1992
#2
6 + 3
SOLUTION
- SOUND
- Sets
- 1...Sf2
- 2.Rxh6#
- 1...Sh2
- 2.Rxh6#
- 1...Se3
- 2.Rxh6#
- 1...Se5
- 2.Rxh6#
- 1...Sxf5
- 2.fxg4#
- 1...Sf7
- 2.fxg4#
- 1...Sf2
- Tries
- 1.Reg6?
- threat
- 2.Rg5#
- 1...Sxf5
- 2.fxg4#
- 1...Sf7
- 2.fxg4#
- 1...Sxg8!
- threat
- 1.Rg7?
- 1...Sxf5
- 2.fxg4#
- 1...Sf2
- 2.Rxh6#
- 1...Sh2
- 2.Rxh6#
- 1...Se3
- 2.Rxh6#
- 1...Se5
- 2.Rxh6#
- 1...Sf7
- 2.fxg4#
- 1...Sg8
- 2.fxg4#
- 1...Sf6!
- 1...Sxf5
- 1.Reg6?
- Keys
- 1.f4!
- threat
- 2.Sg7#
- 2.Rg5#
- 1...Sxf5
- 2.Rg5#
- 1...Sxg8
- 2.Sg7#
- 1...Sf6
- 2.Rg5#
- 1...Sf2
- 2.Rxh6#
- 2.Rg5#
- 1...Sh2
- 2.Rxh6#
- 2.Rg5#
- 1...Se3
- 2.Rxh6#
- 2.Rg5#
- 1...Se5
- 2.Rxh6#
- 2.Rg5#
- 1...Sf7
- 2.Sg7#
- threat
- 1.f4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- S(a);N_GUARD::R1(E),XS(c)
- S(c);N_GUARD,XS(D)::P(B),XS(a)
- S(c);N_GUARD::P(B),XS(a)
- Tries
- Try
- R(E);
- Threat
- R1(E)
- Vars
- S(c);N_GUARD,XS(D)::P(B),XS(a)
- S(c);N_GUARD::P(B),XS(a)
- Refutation
- S(c);XR(F)
- Try
- R(F);
- Vars
- S(c);N_GUARD,XS(D)::P(B),XS(a)
- S(a);N_GUARD::R1(E),XS(c)
- S(c);N_GUARD::P(B),XS(a)
- Refutation
- S(a);
- Try
- Actual
- P(B);
- Threat
- DUALS(2)
- Vars
- S(c);XS(D)::R1(F)
- S(c);XR(F)::S(D)
- S(a);::R1(F)
- S(c);::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).