MESON Chess Problem Database
Problem Display
PID: 164897 (2RnkNKn/8/8/4N1p1/8/B6R/8/1r3Br1 w - - 0 1)
Colaneri, Bruno
Best Problems, 2016
#2
7 + 6
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Bb5#
- 1...Re1
- 2.Bb5#
- 1...Rb5
- 2.Bxb5#
- 1...Ra1
- Tries
- 1.Sc6?
- threat
- 2.Re3#
- 2.Rxd8#
- 1...Re1
- 2.Rxd8#
- 1...Rd1
- 2.Re3#
- 1...Rb3
- 2.Rxd8#
- 1...Rb4
- 2.Rxd8#
- 1...Rb5
- 2.Rxd8#
- 1...Rb7
- 2.Rxd8#
- 1...Rb8
- 2.Re3#
- 1...Rg3
- 2.Rxd8#
- 1...Rg4
- 2.Rxd8#
- 1...Sg6
- 2.Rxd8#
- 1...Sf7!
- threat
- 1.Se6?
- threat
- 2.Sc7#
- 2.Sg7#
- 2.Rxd8#
- 1...Rc1
- 2.Sg7#
- 2.Rxd8#
- 1...Rd1
- 2.Sc7#
- 2.Sg7#
- 1...Rb7
- 2.Rxd8#
- 1...Rb8
- 2.Sc7#
- 2.Sg7#
- 1...Sf7
- 2.Sc7#
- 2.Sg7#
- 1...Rb4!
- threat
- 1.Sc6?
- Keys
- 1.Re3!
- threat
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sc6#
- 2.Seg6#
- 2.Sed7#
- 2.Sf7#
- 1...Rb4
- 2.Sc4#
- 1...Re1
- 2.Bb5#
- 1...Rb3
- 2.Sd3#
- 1...Rb5
- 2.Bxb5#
- 1...Rb6
- 2.Sc6#
- 1...Rb7
- 2.Sed7#
- 1...Rg3
- 2.Sf3#
- 1...Rg4
- 2.Sxg4#
- 1...Sg6
- 2.Sexg6#
- 1...Sf7
- 2.Sxf7#
- 1...g4
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sxg4#
- 2.Sc6#
- 2.Seg6#
- 2.Sed7#
- 2.Sf7#
- threat
- 1.Re3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 1
- Sets
- R(a);N_GUARD::B(A)
- R(a);N_GUARD::B(A),XR(a)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(a);::R1(E),XS(d)
- R(a);::R(C)
- R(b);::R1(E),XS(d)
- S(f);::R1(E),XS(d)
- Refutation
- S(f);
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- R(a);::R1(E),XS(d)
- Refutation
- R(a);
- Try
- Actual
- R(C);
- Threat
- DUALS(8)
- Vars
- R(a);::R(C)+S(D)
- R(a);N_GUARD::B(A)
- R(a);N_GUARD::B(A),XR(a)
- R(b);::R(C)+S(D)
- R(b);::R(C)+S(D),XR(b)
- S(f);::R(C)+S(D),XS(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).