MESON Chess Problem Database
Problem Display
PID: 91913 (1R6/p7/8/kPN1n3/N2B4/P3p2q/3b2r1/KR3B1b w - - 0 1)
Heyl, Peter
Schach, 2003
#2
9 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Bc3#
- 1...Bc3+
- 2.Bxc3#
- 1...Bb4
- 2.axb4#
- 1...Bc1
- Tries
- 1.Sb2?
- threat
- 2.Sb3#
- 2.Sb7#
- 1...Qe6
- 2.Sb7#
- 1...Qd7
- 2.Sb3#
- 1...Qc8
- 2.Sb3#
- 1...Qf3
- 2.Sb3#
- 1...Qh7
- 2.Sb3#
- 1...Rg1
- 2.Sb3#
- 1...Re2
- 2.Sb3#
- 1...Rf2
- 2.Sb3#
- 1...Rh2
- 2.Sb3#
- 1...Rg3
- 2.Sb3#
- 1...Rg4
- 2.Sb3#
- 1...Rg5
- 2.Sb3#
- 1...Rg6
- 2.Sb3#
- 1...Rg7
- 2.Sb3#
- 1...Rg8
- 2.Sb3#
- 1...Sd3
- 2.Sc4#
- 2.Sb3#
- 1...Sc4
- 2.Sxc4#
- 2.Sb3#
- 1...e2!
- threat
- 1.Sb6?
- threat
- 2.Sb3#
- 2.Sb7#
- 1...Bc3+
- 2.Bxc3#
- 1...axb6
- 2.Ra8#
- 1...Qe6
- 2.Sb7#
- 1...Qd7
- 2.Sb3#
- 1...Qc8
- 2.Sb3#
- 1...Qf3
- 2.Sb3#
- 1...Qh7
- 2.Sb3#
- 1...Rg1
- 2.Sb3#
- 1...Rf2
- 2.Sb3#
- 1...Rh2
- 2.Sb3#
- 1...Rg3
- 2.Sb3#
- 1...Rg4
- 2.Sb3#
- 1...Rg5
- 2.Sb3#
- 1...Rg6
- 2.Sb3#
- 1...Rg7
- 2.Sb3#
- 1...Rg8
- 2.Sb3#
- 1...Sd3
- 2.Sb7#
- 2.Sc4#
- 1...Sc4
- 2.Sb7#
- 2.Sxc4#
- 1...e2
- 2.Sb7#
- 1...Re2!
- threat
- 1.Sb2?
- Keys
- 1.Sc3!
- threat
- 2.Sb3#
- 2.Sb7#
- 1...Bxc3+
- 2.Bxc3#
- 1...Qe6
- 2.Sb7#
- 1...Qd7
- 2.Sb3#
- 1...Qc8
- 2.Sb3#
- 1...Qf3
- 2.Sb3#
- 1...Qh7
- 2.Sb3#
- 1...Rg1
- 2.Sb3#
- 1...Re2
- 2.Sb3#
- 1...Rf2
- 2.Sb3#
- 1...Rh2
- 2.Sb3#
- 1...Rg3
- 2.Sb3#
- 1...Rg4
- 2.Sb3#
- 1...Rg5
- 2.Sb3#
- 1...Rg6
- 2.Sb3#
- 1...Rg7
- 2.Sb3#
- 1...Rg8
- 2.Sb3#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 15
- REMOVED MATES = 2
- Sets
- B(b);N_GUARD::B(F)
- B(b);CHECK,N_GUARD::B(F),XB(b)
- B(b);OGATE::P(D),XB(b)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(e);::S(H)
- R(c);::S(H)
- Refutation
- P(d);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,N_GUARD::B(F),XB(b)
- P(h);OGATEB,SBLOCK,XS(E)::R(I)
- Q(e);::S(H)
- R(c);::S(H)
- P(d);::S(H)
- Refutation
- R(c);
- Try
- Actual
- S(E);
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,OGATE,XS(E)::B(F),XB(b)
- Q(e);::S(H)
- R(c);::S(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).