MESON Chess Problem Database
Problem Display
PID: 287240 (4rb2/N7/R7/1Pp2R2/2P1k1P1/4P3/4K3/8 w - - 0 1)
Frak, Marian
Problem Paradise, 2022
#2
8 + 4
| 15601 | Albrecht-Leiss-Degener Collection | 2026 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Rf4#
- 1...Re6
- 2.Rxe6#
- 1...Ra8
- 2.Re6#
- 1...Rb8
- 2.Re6#
- 1...Rc8
- 2.Re6#
- 1...Rd8
- 2.Re6#
- 1...Be7
- 2.Re6#
- 1...Re5
- Tries
- 1.Rxf8?
- threat
- 2.Rxe8#
- 1...Ke5
- 2.Rxe8#
- 1...Rxf8
- 2.Re6#
- 1...Re5
- 2.Rf4#
- 1...Re6
- 2.Rxe6#
- 1...Ra8
- 2.Re6#
- 1...Rb8
- 2.Re6#
- 1...Rc8
- 2.Re6#
- 1...Rd8
- 2.Re6#
- 1...Re7!
- threat
- 1.Rxf8?
- Keys
- 1.Sc8!
- 1...Rxc8
- 2.Re6#
- 1...Re5
- 2.Rf4#
- 1...Re6
- 2.Rxe6#
- 1...Re7
- 2.Sd6#
- 1...Rd8
- 2.Re6#
- 1...Bd6
- 2.Sxd6#
- 1...Bh6
- 2.Sd6#
- 1...Be7
- 2.Re6#
- 1...Bg7
- 2.Sd6#
- 1...Rxc8
- 1.Sc8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- R(c);SBLOCK::R1(F)
- R(c);N_GUARD::R(G),XR(c)
- R(c);N_GUARD::R(G)
- B(d);S_CUTR(c)::R(G)
- Tries
- Try
- R(F);XB(d)
- Threat
- R(F),XR(c)
- Vars
- K(a);P-FLIGHT::R(F),XR(c)
- R(c);N_GUARD,XR(F)::R(G)
- R(c);SBLOCK::R1(F)
- R(c);N_GUARD::R(G),XR(c)
- R(c);N_GUARD::R(G)
- Refutation
- R(c);
- Try
- Actual
- S(H);
- Vars
- R(c);N_GUARD,XS(H)::R(G)
- R(c);SBLOCK::R1(F)
- R(c);N_GUARD::R(G),XR(c)
- R(c);S_CUTB(d)::S(H)
- R(c);N_GUARD::R(G)
- B(d);N_GUARD::S(H),XB(d)
- B(d);N_GUARD::S(H)
- B(d);S_CUTR(c)::R(G)
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).