MESON Chess Problem Database
Problem Display
PID: 166071 (R7/8/4n3/1N1N4/2n5/1k1B4/8/2Kb4 w - - 0 1)
Panga, Lu
Troll, 2017
#2
5 + 4
SOLUTION
- SOUND
- Sets
- 1...Bc2
- 2.Bxc2#
- 1...Be2
- 2.Bc2#
- 1...Bf3
- 2.Bc2#
- 1...Bg4
- 2.Bc2#
- 1...Bh5
- 2.Bc2#
- 1...Sb2
- 2.Ra3#
- 1...Sd2
- 2.Ra3#
- 1...Sa3
- 2.Rxa3#
- 1...Se3
- 2.Ra3#
- 1...Se5
- 2.Ra3#
- 1...Sb6
- 2.Ra3#
- 1...Sd6
- 2.Ra3#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sf8
- 2.Sd4#
- 1...Bc2
- Tries
- 1.Ra5?
- 1...Sa3
- 2.Rxa3#
- 1...Bc2
- 2.Bxc2#
- 1...Be2
- 2.Bc2#
- 1...Bf3
- 2.Bc2#
- 1...Bg4
- 2.Bc2#
- 1...Bh5
- 2.Bc2#
- 1...Sb2
- 2.Ra3#
- 1...Sd2
- 2.Ra3#
- 1...Se3
- 2.Ra3#
- 1...Se5
- 2.Ra3#
- 1...Sb6
- 2.Ra3#
- 1...Sd6
- 2.Ra3#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sf8
- 2.Sd4#
- 1...Sxa5!
- 1...Sa3
- 1.Ra6?
- 1...Sa3
- 2.Rxa3#
- 1...Bc2
- 2.Bxc2#
- 1...Be2
- 2.Bc2#
- 1...Bf3
- 2.Bc2#
- 1...Bg4
- 2.Bc2#
- 1...Bh5
- 2.Bc2#
- 1...Sb2
- 2.Ra3#
- 1...Sd2
- 2.Ra3#
- 1...Se3
- 2.Ra3#
- 1...Se5
- 2.Ra3#
- 1...Sb6
- 2.Ra3#
- 1...Sd6
- 2.Ra3#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sf8
- 2.Sd4#
- 1...Sa5!
- 1...Sa3
- 1.Ra7?
- 1...Sa3
- 2.Rxa3#
- 1...Bc2
- 2.Bxc2#
- 1...Be2
- 2.Bc2#
- 1...Bf3
- 2.Bc2#
- 1...Bg4
- 2.Bc2#
- 1...Bh5
- 2.Bc2#
- 1...Sb2
- 2.Ra3#
- 1...Sd2
- 2.Ra3#
- 1...Se3
- 2.Ra3#
- 1...Se5
- 2.Ra3#
- 1...Sb6
- 2.Ra3#
- 1...Sd6
- 2.Ra3#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sf8
- 2.Sd4#
- 1...Sa5!
- 1...Sa3
- 1.Ra5?
- Keys
- 1.Ra1!
- 1...Sa3
- 2.Rxa3#
- 1...Bc2
- 2.Bxc2#
- 1...Be2
- 2.Bc2#
- 1...Bf3
- 2.Bc2#
- 1...Bg4
- 2.Bc2#
- 1...Bh5
- 2.Bc2#
- 1...Sb2
- 2.Ra3#
- 1...Sd2
- 2.Ra3#
- 1...Se3
- 2.Ra3#
- 1...Sa5
- 2.Ra3#
- 1...Se5
- 2.Ra3#
- 1...Sb6
- 2.Ra3#
- 1...Sd6
- 2.Ra3#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sf8
- 2.Sd4#
- 1...Sa3
- 1.Ra1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::B(B),XB(a)
- B(a);N_GUARD::B(B)
- S(c);N_GUARD::R1(E)
- S(c);N_GUARD::R1(E),XS(c)
- S(d);N_GUARD::S(C),XS(d)
- S(d);N_GUARD::S(C)
- Tries
- Try
- R(E);
- Vars
- S(c);N_GUARD::R1(E),XS(c)
- B(a);N_GUARD::B(B),XB(a)
- B(a);N_GUARD::B(B)
- S(c);N_GUARD::R1(E)
- S(d);N_GUARD::S(C),XS(d)
- S(d);N_GUARD::S(C)
- Refutation
- S(c);XR(E)
- Try
- R(E);
- Vars
- S(c);N_GUARD::R1(E),XS(c)
- B(a);N_GUARD::B(B),XB(a)
- B(a);N_GUARD::B(B)
- S(c);N_GUARD::R1(E)
- S(d);N_GUARD::S(C),XS(d)
- S(d);N_GUARD::S(C)
- Refutation
- S(c);
- Try
- R(E);
- Vars
- S(c);N_GUARD::R1(E),XS(c)
- B(a);N_GUARD::B(B),XB(a)
- B(a);N_GUARD::B(B)
- S(c);N_GUARD::R1(E)
- S(d);N_GUARD::S(C),XS(d)
- S(d);N_GUARD::S(C)
- Refutation
- S(c);
- Try
- Actual
- R(E);
- Vars
- S(c);N_GUARD::R1(E),XS(c)
- B(a);N_GUARD::B(B),XB(a)
- B(a);N_GUARD::B(B)
- S(c);N_GUARD::R1(E)
- S(d);N_GUARD::S(C),XS(d)
- S(d);N_GUARD::S(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).