MESON Chess Problem Database
Problem Display
PID: 12176 (4r3/1Qn5/R3n2p/4pk2/2K1N3/2N2p1P/8/2B3R1 w - - 0 1)
Gooderson, Arthur R
The Problemist, 1975
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Sd4
- 2.Sg3#
- 2.Rf6#
- 1...Sf4
- 2.Rf6#
- 1...Sc5
- 2.Sg3#
- 2.Rf6#
- 1...Sg5
- 2.Sg3#
- 2.Rf6#
- 1...Sg7
- 2.Sg3#
- 2.Rf6#
- 1...Sd8
- 2.Sg3#
- 2.Rf6#
- 1...Sf8
- 2.Sg3#
- 2.Rf6#
- 1...Sb5
- 2.Qf7#
- 2.Qh7#
- 1...Sd5
- 2.Qh7#
- 1...Sxa6
- 2.Qf7#
- 2.Qh7#
- 1...Sa8
- 2.Qf7#
- 2.Qh7#
- 1...Sd4
- Tries
- 1.Sb5?
- threat
- 2.Sbd6#
- 1...Sxb5
- 2.Qh7#
- 1...Sd4
- 2.Sg3#
- 2.Rf6#
- 1...Sf4
- 2.Rf6#
- 1...Sc5
- 2.Sg3#
- 2.Rf6#
- 1...Sg5
- 2.Sg3#
- 2.Rf6#
- 1...Sg7
- 2.Sg3#
- 2.Rf6#
- 1...Sd8
- 2.Sg3#
- 2.Rf6#
- 1...Sf8
- 2.Sg3#
- 2.Rf6#
- 1...Rd8!
- threat
- 1.Rg5+?
- 1...Sxg5
- 2.Sg3#
- 2.Rf6#
- 1...hxg5!
- 1...Sxg5
- 1.Sb5?
- Keys
- 1.Sd5!
- threat
- 2.Sd6#
- 1...Kxe4
- 2.Qb1#
- 1...Sxd5
- 2.Qh7#
- 1...Rd8
- 2.Se7#
- 1...Sd4
- 2.Sg3#
- 1...Sf4
- 2.Se3#
- 1...Sc5
- 2.Sg3#
- 1...Sg5
- 2.Sg3#
- 1...Sg7
- 2.Sg3#
- 1...Sd8
- 2.Sg3#
- 1...Sf8
- 2.Sg3#
- 1...Sb5
- 2.Qh7#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- S(d);OGATE::R1(G)
- S(f);OGATE::QAB(H)
- Tries
- Try
- S(C);
- Threat
- S(C)
- Vars
- S(f);OGATE,XS(C)::QAB(H)
- S(d);OGATE::R1(G)
- Refutation
- R(g);
- Try
- R(B);CHECK
- Refutation
- P(e);XR(B)
- Try
- Actual
- S(C);
- Threat
- S(F)
- Vars
- K(c);OGATEB,S_FLIGHT,XS(F)::QAB(H)
- S(f);OGATE,XS(C)::QAB(H)
- R(g);N_GUARD::S(C)
- S(d);::S(F)
- S(d);SBLOCK::S(C)
- S(f);OGATE::QAB(H)
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).