MESON Chess Problem Database
Problem Display
PID: 244999 (k1K5/8/2R5/r7/p7/P7/8/1R6 w - - 0 1)
Akimov, Nikolai Nikolaevich
Smena (Moscow), 2002
#2
4 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rb5
- 2.Ra6#
- 1...Rd5
- 2.Ra6#
- 1...Re5
- 2.Ra6#
- 1...Rf5
- 2.Ra6#
- 1...Rg5
- 2.Ra6#
- 1...Rh5
- 2.Ra6#
- 1...Ra6
- 2.Rxa6#
- 1...Ra7
- 2.Rb8#
- 1...Rb5
- Tries
- 1.Rbb6?
- 1...Rc5
- 2.Ra6#
- 1...Rb5
- 2.Ra6#
- 1...Rd5
- 2.Ra6#
- 1...Re5
- 2.Ra6#
- 1...Rf5
- 2.Ra6#
- 1...Rg5
- 2.Ra6#
- 1...Rh5
- 2.Ra6#
- 1...Ra6
- 2.Rxa6#
- 1...Ra7
- 2.Rb8#
- 1...Ka7!
- 1...Rc5
- 1.Rb7?
- 1...Rb5
- 2.Ra6#
- 1...Rd5
- 2.Ra6#
- 1...Re5
- 2.Ra6#
- 1...Rf5
- 2.Ra6#
- 1...Rg5
- 2.Ra6#
- 1...Rh5
- 2.Ra6#
- 1...Ra6
- 2.Rxa6#
- 1...Ra7
- 2.Rb8#
- 1...Rc5!
- 1...Rb5
- 1.Rbb6?
- Keys
- 1.Rb5!
- threat
- 2.Rxa5#
- 1...Ka7
- 2.Rxa5#
- 1...Rxb5
- 2.Ra6#
- 1...Ra6
- 2.Rxa6#
- 1...Ra7
- 2.Rb8#
- threat
- 1.Rb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(b);N_GUARD::R(C)
- R(b);N_GUARD::R(C),XR(b)
- R(b);SBLOCK::R1(A)
- Tries
- Try
- R(A);
- Vars
- R(b);N_GUARD,P_PINR(C)::R(A)
- R(b);N_GUARD::R(A)
- R(b);N_GUARD::R(A),XR(b)
- R(b);SBLOCK::R1(A)
- Refutation
- K(c);P-FLIGHT
- Try
- R(A);
- Vars
- R(b);N_GUARD::R(C)
- R(b);N_GUARD::R(C),XR(b)
- R(b);SBLOCK::R1(A)
- Refutation
- R(b);P_PINR(C)
- Try
- Actual
- R(A);
- Threat
- R(A),XR(b)
- Vars
- K(c);P-FLIGHT::R(A),XR(b)
- R(b);N_GUARD,XR(A)::R(C)
- R(b);N_GUARD::R(C),XR(b)
- R(b);SBLOCK::R1(A)
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).