MESON Chess Problem Database
Problem Display
PID: 139023 (3b1N1K/2q1n3/R2N2bk/r3n2p/4PR1B/8/8/2Q5 w - - 0 1)
Bonivento, Oscar
L'Italia Scacchistica, 2006
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Qb8
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rg4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 1...Qb7
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rg4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 1...Qd7
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rg4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 1...Bxe4
- 2.Sf5#
- 2.Sf7#
- 2.Rf6#
- 1...Bf5
- 2.Sxf5#
- 2.Sf7#
- 1...Bf7
- 2.Sf5#
- 2.Sxf7#
- 2.Rf6#
- 1...Bh7
- 2.Sf5#
- 2.Sf7#
- 2.Rf6#
- 1...Be8
- 2.Sf5#
- 2.Sf7#
- 2.Rf6#
- 1...Sd3
- 2.Sf7#
- 1...Sf3
- 2.Sf7#
- 1...Sc4
- 2.Sf7#
- 1...Sg4
- 2.Sf7#
- 1...S5c6
- 2.Rf5#
- 1...Sd7
- 2.Sf7#
- 1...Sf7+
- 2.Sxf7#
- 1...Sd5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...S7c6
- 2.Rf6#
- 1...Sc8
- 2.Sf5#
- 1...Sg8
- 2.Sf5#
- 1...Qb8
- Keys
- 1.Sh7!
- threat
- 2.Bg5#
- 1...Sf7+
- 2.Sxf7#
- 1...Bxe4
- 2.Sf5#
- 2.Sf7#
- 2.Rf6#
- 1...Bxh7
- 2.Sf5#
- 2.Sf7#
- 2.Rf6#
- 1...Bf5
- 2.Sxf5#
- 2.Sf7#
- 1...Bf7
- 2.Sf5#
- 2.Sxf7#
- 2.Rf6#
- 1...Be8
- 2.Sf5#
- 2.Sf7#
- 2.Rf6#
- 1...Sd3
- 2.Sf7#
- 1...Sf3
- 2.Sf7#
- 1...Sc4
- 2.Sf7#
- 1...Sg4
- 2.Sf7#
- 1...S5c6
- 2.Rf5#
- 1...Sd7
- 2.Sf7#
- 1...Sd5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...S7c6
- 2.Rf6#
- 1...Sc8
- 2.Sf5#
- 1...Sg8
- 2.Sf5#
- threat
- 1.Sh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::S(F)
- S(b);S_CUTQ(f)::QAB(A)+R(C)
- S(b);CHECK,N_GUARD::S(F),XS(b)
- S(g);N_GUARD::S(F)
- S(g);N_GUARD::S(F),XS(g)
- S(g);S_CUTQ(f)::QAB(A)+R(C)
- Actual
- S(G);
- Threat
- B(D)
- Vars
- S(b);CHECK,N_GUARD::S(F),XS(b)
- S(b);N_GUARD::S(F)
- S(b);S_CUTQ(f)::QAB(A)+R(C)
- S(g);N_GUARD::S(F)
- S(g);N_GUARD::S(F),XS(g)
- S(g);S_CUTQ(f)::QAB(A)+R(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).