MESON Chess Problem Database
Problem Display
PID: 124254 (4R1K1/3n4/5p2/Q1PN1P2/2pk1p2/3p1B2/3B1p2/3n4 w - - 0 1)
Petite, Efren
Source?, 0000
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Se3
- 2.Bc3#
- 1...c3
- 2.Qb4#
- 1...Sb2
- Tries
- 1.Sc3?
- threat
- 2.Re4#
- 1...Sxc3
- 2.Bxc3#
- 1...Sxc5
- 2.Sb5#
- 1...Se5!
- threat
- 1.Sb4?
- threat
- 2.Sc6#
- 2.Re4#
- 1...Sxc5
- 2.Sc6#
- 1...c3
- 2.Re4#
- 1...Sc3
- 2.Sc6#
- 1...Sb8
- 2.Re4#
- 1...Se5!
- threat
- 1.Sxf4?
- threat
- 2.Re4#
- 1...Sc3
- 2.Bxc3#
- 2.Be3#
- 1...Se5
- 2.Se6#
- 1...Sxc5!
- threat
- 1.c6?
- threat
- 2.Re4#
- 1...Sc3
- 2.Bxc3#
- 1...Se5
- 2.Qb6#
- 2.Qa7#
- 1...Sc5!
- threat
- 1.Sc3?
- Keys
- 1.Sc7!
- threat
- 2.Re4#
- 1...Sxc5
- 2.Sb5#
- 1...Sc3
- 2.Bxc3#
- 1...Se5
- 2.Se6#
- threat
- 1.Sc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- S(a);N_GUARD::B(A)
- S(a);N_GUARD::B(A),XS(a)
- P(d);OGATEB::QAR2(C)
- Tries
- Try
- S(E);
- Threat
- R1(G)
- Vars
- S(a);OGATE,XS(E)::B(A),XS(a)
- S(h);SBLOCK,XP(D)::S(E)
- Refutation
- S(h);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(h);XP(D)::S(E)
- P(d);::R1(G)
- S(a);::S(E)
- S(h);::R1(G)
- Refutation
- S(h);
- Try
- S(E);XP(f)
- Threat
- R1(G)
- Vars
- S(h);SBLOCK::S(E)
- Refutation
- S(h);XP(D)
- Try
- P(D);
- Threat
- R1(G)
- Vars
- S(a);N_GUARD::B(A),XS(a)
- Refutation
- S(h);
- Try
- Actual
- S(E);
- Threat
- R1(G)
- Vars
- S(h);SBLOCK,XP(D)::S(E)
- S(a);N_GUARD::B(A),XS(a)
- S(h);SBLOCK::S(E)
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).