MESON Chess Problem Database
Problem Display
PID: 16259 (K5R1/5B2/Q3PN2/1P2pk1N/4n3/8/3p4/8 w - - 0 1)
Mariz, Gabriel
The Problemist, 2000
#2
8 + 4
SOLUTION
- SOUND
- Sets
- 1...Sg5
- 2.Bg6#
- 1...Sg5
- Tries
- 1.Sxe4?
- threat
- 2.Seg3#
- 2.Sd6#
- 1...d1Q
- 2.Seg3#
- 1...d1R
- 2.Seg3#
- 1...Kxe4!
- threat
- 1.Sd5?
- threat
- 2.Se3#
- 2.Se7#
- 1...Sf2
- 2.Sg3#
- 1...Sc3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Sc5
- 2.Sg3#
- 1...Sd6
- 2.Sg3#
- 1...Sf6
- 2.Sg3#
- 1...d1S
- 2.Se7#
- 1...Sg5!
- threat
- 1.Qb7?
- threat
- 2.Qxe4#
- 1...Sxf6
- 2.Qf3#
- 1...Sf2
- 2.Qf3#
- 1...Sc3
- 2.Qf3#
- 1...Sg3
- 2.Qf3#
- 1...Sc5
- 2.Qf3#
- 1...Sd6
- 2.Qf3#
- 1...Sg5!
- threat
- 1.Qa4?
- threat
- 2.Qxe4#
- 1...Sxf6
- 2.Sg3#
- 1...Sc3
- 2.Qg4#
- 1...Sg3
- 2.Qg4#
- 1...Sc5
- 2.Qg4#
- 1...Sg5
- 2.Qg4#
- 1...Sd6
- 2.Qg4#
- 1...Sf2!
- threat
- 1.Sxe4?
- Keys
- 1.Qc6!
- threat
- 2.Qxe4#
- 1...Sxf6
- 2.Qf3#
- 1...Sf2
- 2.Qf3#
- 1...Sc3
- 2.Qf3#
- 1...Sg3
- 2.Qf3#
- 1...Sc5
- 2.Qf3#
- 1...Sg5
- 2.Bg6#
- 1...Sd6
- 2.Qf3#
- threat
- 1.Qc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- S(b);SBLOCK::B(F)
- Tries
- Try
- S(E);XS(b)
- Threat
- DUALS(2)
- Vars
- P(a);::S(E)
- Refutation
- K(d);S_FLIGHT,XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- P(a);::S(E)
- Refutation
- S(b);
- Try
- Q(C);
- Threat
- QAB1(C),XS(b)
- Vars
- S(b);OGATE,XS(E)::QAR2(C)
- S(b);OGATE::QAR2(C)
- Refutation
- S(b);
- Try
- Q(C);
- Threat
- QAB1(C),XS(b)
- Vars
- S(b);N_GUARD,SBLOCK,XS(E)::S(B)
- S(b);OGATE::QAB1(C)
- Refutation
- S(b);
- Try
- Actual
- Q(C);
- Threat
- QAB1(C),XS(b)
- Vars
- S(b);OGATE,XS(E)::QAR2(C)
- S(b);OGATE::QAR2(C)
- S(b);SBLOCK::B(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).