MESON Chess Problem Database
Problem Display
PID: 145578 (2N2N2/3RpR2/p6K/rp2k3/4n3/1n1BB3/q5bb/6r1 w - - 0 1)
Sparke, Arthur M
Good Companions (October), 1917
#2
7 + 11
SOLUTION
- SOUND
- Sets
- 1...Bf4+
- 2.Bxf4#
- 1...Sa1
- 2.Bd4#
- 1...Sc1
- 2.Bd4#
- 1...Sbd2
- 2.Bd4#
- 1...Sd4
- 2.Bxd4#
- 1...Sbc5
- 2.Bd4#
- 1...Sed2
- 2.Rf5#
- 1...Sf2
- 2.Rf5#
- 1...Sc3
- 2.Rf5#
- 1...Sg3
- 2.Bf4#
- 1...Sec5
- 2.Rf5#
- 1...Sg5
- 2.Rf5#
- 1...Sf6
- 2.Rfxe7#
- 1...e6
- 2.Sg6#
- 1...Bf4+
- Tries
- 1.Sxe7?
- threat
- 2.Sc6#
- 2.Seg6#
- 2.Rd5#
- 2.Rf5#
- 1...Bf4+
- 2.Bxf4#
- 1...Qc2
- 2.Seg6#
- 2.Rd5#
- 2.Rf5#
- 1...Qf2
- 2.Sc6#
- 2.Seg6#
- 2.Rd5#
- 1...Rc1
- 2.Seg6#
- 2.Rd5#
- 2.Rf5#
- 1...Rf1
- 2.Sc6#
- 2.Seg6#
- 2.Rd5#
- 1...Bf1
- 2.Sc6#
- 2.Rd5#
- 2.Rf5#
- 1...Bh1
- 2.Sc6#
- 2.Rd5#
- 2.Rf5#
- 1...Bf3
- 2.Sc6#
- 2.Rd5#
- 2.Rf5#
- 1...Bh3
- 2.Sc6#
- 2.Rd5#
- 1...Sa1
- 2.Sc6#
- 2.Seg6#
- 2.Bd4#
- 2.Rf5#
- 1...Sc1
- 2.Sc6#
- 2.Seg6#
- 2.Bd4#
- 2.Rf5#
- 1...Sbd2
- 2.Sc6#
- 2.Seg6#
- 2.Bd4#
- 2.Rf5#
- 1...Sd4
- 2.Seg6#
- 2.Bxd4#
- 1...Sbc5
- 2.Sc6#
- 2.Seg6#
- 2.Bd4#
- 2.Rf5#
- 1...Sed2
- 2.Seg6#
- 2.Rf5#
- 1...Sf2
- 2.Seg6#
- 2.Rf5#
- 1...Sc3
- 2.Seg6#
- 2.Rf5#
- 1...Sg3
- 2.Seg6#
- 2.Bf4#
- 1...Sec5
- 2.Seg6#
- 2.Rf5#
- 1...Sg5
- 2.Seg6#
- 2.Rf5#
- 1...Sf6
- 2.Seg6#
- 1...b4
- 2.Sc6#
- 2.Seg6#
- 2.Rf5#
- 1...Sd6!
- threat
- 1.Sxe7?
- Keys
- 1.Sb6!
- threat
- 2.Rd5#
- 1...Bf4+
- 2.Bxf4#
- 1...Sa1
- 2.Bd4#
- 1...Sc1
- 2.Bd4#
- 1...Sbd2
- 2.Bd4#
- 1...Sd4
- 2.Bxd4#
- 1...Sbc5
- 2.Bd4#
- 1...Sed2
- 2.Rf5#
- 1...Sf2
- 2.Rf5#
- 1...Sc3
- 2.Rf5#
- 1...Sg3
- 2.Bf4#
- 1...Sec5
- 2.Rf5#
- 1...Sg5
- 2.Rf5#
- 1...Sd6
- 2.Rdxe7#
- 1...Sf6
- 2.Rfxe7#
- 1...b4
- 2.Sc4#
- 1...e6
- 2.Sg6#
- threat
- 1.Sb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(d);CHECK,N_GUARD::B(B),XB(d)
- S(e);N_GUARD::B(B)
- S(e);N_GUARD::B(B),XS(e)
- S(f);::R1(E)
- S(f);S_CUTB(d)::B(B)
- S(f);SBLOCK::R(E),XP(k)
- P(k);SBLOCK::S(G)
- Tries
- Try
- S(F);XP(k)
- Threat
- DUALS(4)
- Vars
- B(d);CHECK,N_GUARD::B(B),XB(d)
- S(f);::S(F)
- Refutation
- S(f);
- Try
- Actual
- S(F);
- Threat
- R1(D)
- Vars
- B(d);CHECK,N_GUARD::B(B),XB(d)
- S(e);N_GUARD::B(B)
- S(e);N_GUARD::B(B),XS(e)
- S(f);::R1(E)
- S(f);S_CUTB(d)::B(B)
- S(f);SBLOCK::R(D),XP(k)
- S(f);SBLOCK::R(E),XP(k)
- P(h);N_GUARD::S(F)
- P(k);SBLOCK::S(G)
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).