MESON Chess Problem Database
Problem Display
PID: 287098 (4Rr2/7n/2N4R/2N5/8/k5r1/8/KB6 w - - 0 1)
Frak, Marian
Problem Paradise, 2022
#2
6 + 4
| 15601 | Albrecht-Leiss-Degener Collection | 2026 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Re3#
- 1...Rg2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...Rg4
- 2.Re3#
- 1...Rg5
- 2.Re3#
- 1...Rg6
- 2.Re3#
- 1...Rg7
- 2.Re3#
- 1...Rgg8
- 2.Re3#
- 1...Rf1
- 2.Ra8#
- 1...Rf2
- 2.Ra8#
- 1...Rf3
- 2.Ra8#
- 1...Rf5
- 2.Ra8#
- 1...Rf6
- 2.Ra8#
- 1...Rg1
- Tries
- 1.Rh4?
- threat
- 2.Ra4#
- 1...Rg4
- 2.Re3#
- 1...Rf4!
- threat
- 1.Re2?
- threat
- 2.Ra2#
- 1...Rg2
- 2.Re3#
- 1...Rf2!
- threat
- 1.Rxf8?
- threat
- 2.Ra8#
- 1...Rg4
- 2.Rf3#
- 1...Rg7
- 2.Rf3#
- 1...Rg8
- 2.Rf3#
- 1...Sxf8!
- threat
- 1.Rh4?
- Keys
- 1.Rh2!
- threat
- 2.Ra2#
- 1...Rg2
- 2.Re3#
- 1...Rf2
- 2.Ra8#
- threat
- 1.Rh2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- R(b);N_GUARD,P_PINB(B)::R(F)
- R(b);N_GUARD::R(F)
- R(b);N_GUARD::R(F),XR(b)
- R(d);N_GUARD,P_PINB(B)::R(F)
- R(d);N_GUARD::R(F)
- Tries
- Try
- R(E);
- Threat
- R1(E)
- Vars
- R(b);N_GUARD::R(F)
- Refutation
- R(d);
- Try
- R(F);
- Threat
- R1(F)
- Vars
- R(b);N_GUARD::R(F)
- Refutation
- R(d);
- Try
- R(F);XR(d)
- Threat
- R(F)
- Vars
- R(b);N_GUARD::R(F)
- Refutation
- S(c);XR(F)
- Try
- Actual
- R(E);
- Threat
- R1(E)
- Vars
- R(b);N_GUARD::R(F)
- R(d);N_GUARD::R(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).