MESON Chess Problem Database
Problem Display
PID: 30948 (2k5/KR1R4/8/3n4/8/8/8/8 w - - 0 1)
Lazard, Frederic
La Strategie, 1925
#2
3 + 2
| 785 | Het Belgisch Schaakbord (L'Echiquier Belge) | 1947 |
SOLUTION
- SOUND
- Sets
- 1...Sc3
- 2.Rbc7#
- 1...Se3
- 2.Rbc7#
- 1...Sb4
- 2.Rbc7#
- 1...Sf4
- 2.Rbc7#
- 1...Sb6
- 2.Rbc7#
- 1...Sf6
- 2.Rbc7#
- 1...Sc7
- 2.Rbxc7#
- 1...Se7
- 2.Rbc7#
- 1...Sc3
- Tries
- 1.Ka8?
- 1...Sc7+
- 2.Rbxc7#
- 1...Sc3
- 2.Rbc7#
- 1...Se3
- 2.Rbc7#
- 1...Sb4
- 2.Rbc7#
- 1...Sf4
- 2.Rbc7#
- 1...Sf6
- 2.Rbc7#
- 1...Se7
- 2.Rbc7#
- 1...Sb6+!
- 1...Sc7+
- 1.Rg7?
- threat
- 2.Rb8#
- 2.Rg8#
- 1...Kd8
- 2.Rb8#
- 2.Rg8#
- 1...Sf6
- 2.Rb8#
- 1...Sc7
- 2.Rb8#
- 1...Se7!
- threat
- 1.Rh7?
- threat
- 2.Rb8#
- 2.Rh8#
- 1...Kd8
- 2.Rb8#
- 2.Rh8#
- 1...Sf6
- 2.Rb8#
- 1...Sc7
- 2.Rb8#
- 1...Se7!
- threat
- 1.Ka8?
- Keys
- 1.Rf7!
- threat
- 2.Rb8#
- 2.Rf8#
- 1...Kd8
- 2.Rb8#
- 2.Rf8#
- 1...Sf6
- 2.Rb8#
- 1...Sc7
- 2.Rb8#
- 1...Se7
- 2.Rf8#
- threat
- 1.Rf7!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(a);CHECK,N_GUARD::R1(B),XS(a)
- S(a);N_GUARD::R1(B)
- Refutation
- S(a);CHECK
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- S(a);::R1(B)
- Refutation
- S(a);
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- S(a);::R1(B)
- Refutation
- S(a);
- Try
- Actual
- R(C);
- Threat
- DUALS(2)
- Vars
- S(a);::R1(B)
- S(a);::R(C)
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).