MESON Chess Problem Database
Problem Display
PID: 260073 (1r6/1B6/2R5/3R4/8/8/7p/5K1k w - - 0 1)
Lipton, Michael
De Waarheid, 1966
#2
4 + 3
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Tries
- 1.Rd2?
- 1...Rf8+
- 2.Rf6#
- 1...Ra8
- 2.Rc1#
- 2.Rcc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rcd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rc8
- 2.Rc7#
- 2.Rxc8#
- 1...Rd8
- 2.Rcd6#
- 1...Re8
- 2.Re6#
- 1...Rg8
- 2.Rg6#
- 1...Rh8
- 2.Rc1#
- 2.Rcc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rcd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rxb7!
- 1...Rf8+
- 1.Rd3?
- 1...Rf8+
- 2.Rf6#
- 1...Ra8
- 2.Rc1#
- 2.Rc2#
- 2.Rcc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rcd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rc8
- 2.Rc7#
- 2.Rxc8#
- 1...Rd8
- 2.Rcd6#
- 1...Re8
- 2.Re6#
- 1...Rg8
- 2.Rg6#
- 1...Rh8
- 2.Rc1#
- 2.Rc2#
- 2.Rcc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rcd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rxb7!
- 1...Rf8+
- 1.Rd4?
- 1...Rf8+
- 2.Rf6#
- 1...Ra8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rcc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rcd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rc8
- 2.Rc7#
- 2.Rxc8#
- 1...Rd8
- 2.Rcd6#
- 1...Re8
- 2.Re6#
- 1...Rg8
- 2.Rg6#
- 1...Rh8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rcc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rcd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rxb7!
- 1...Rf8+
- 1.Ra5?
- 1...Rf8+
- 2.Rf6#
- 1...Ra8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rcc5#
- 2.Rca6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rc8
- 2.Rc7#
- 2.Rxc8#
- 1...Rd8
- 2.Rd6#
- 1...Re8
- 2.Re6#
- 1...Rg8
- 2.Rg6#
- 1...Rh8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rcc5#
- 2.Rca6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rxb7!
- 1...Rf8+
- 1.Rb5?
- 1...Rf8+
- 2.Rf6#
- 1...Ra8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rcc5#
- 2.Ra6#
- 2.Rcb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rc8
- 2.Rc7#
- 2.Rxc8#
- 1...Rd8
- 2.Rd6#
- 1...Re8
- 2.Re6#
- 1...Rg8
- 2.Rg6#
- 1...Rh8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rcc5#
- 2.Ra6#
- 2.Rcb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rxb7!
- 1...Rf8+
- 1.Rdc5?
- 1...Rf8+
- 2.Rf6#
- 1...Ra8
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rc8
- 2.Rc7#
- 2.Rxc8#
- 1...Rd8
- 2.Rd6#
- 1...Re8
- 2.Re6#
- 1...Rg8
- 2.Rg6#
- 1...Rh8
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rxb7!
- 1...Rf8+
- 1.Re5?
- 1...Rf8+
- 2.Rf6#
- 1...Ra8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rcc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rce6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rc8
- 2.Rc7#
- 2.Rxc8#
- 1...Rd8
- 2.Rd6#
- 1...Re8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rcc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rce6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rg8
- 2.Rg6#
- 1...Rh8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rcc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rce6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rxb7!
- 1...Rf8+
- 1.Rf5?
- 1...Ra8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rcc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rcf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rc8
- 2.Rc7#
- 2.Rxc8#
- 1...Rd8
- 2.Rd6#
- 1...Re8
- 2.Re6#
- 1...Rf8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rcf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rg8
- 2.Rg6#
- 1...Rh8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rcc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rcf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rxb7!
- 1...Ra8
- 1.Rg5?
- 1...Rf8+
- 2.Rf6#
- 1...Ra8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rcc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rcg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rc8
- 2.Rc7#
- 2.Rxc8#
- 1...Rd8
- 2.Rd6#
- 1...Re8
- 2.Re6#
- 1...Rg8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rcc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rcg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rh8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rcc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rcg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Rxb7!
- 1...Rf8+
- 1.Rh5?
- 1...Rf8+
- 2.Rf6#
- 1...Ra8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rcc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rch6#
- 2.Rc7#
- 2.Rc8#
- 1...Rc8
- 2.Rc7#
- 2.Rxc8#
- 1...Rd8
- 2.Rd6#
- 1...Re8
- 2.Re6#
- 1...Rg8
- 2.Rg6#
- 1...Rh8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rcc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rch6#
- 2.Rc7#
- 2.Rc8#
- 1...Rxb7!
- 1...Rf8+
- 1.Rd7?
- 1...Rf8+
- 2.Rf6#
- 1...Ra8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rcd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rcc7#
- 2.Rc8#
- 1...Rc8
- 2.Rcc7#
- 2.Rxc8#
- 1...Rd8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rcd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rcc7#
- 2.Rc8#
- 1...Re8
- 2.Re6#
- 1...Rg8
- 2.Rg6#
- 1...Rh8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rcd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rcc7#
- 2.Rc8#
- 1...Rxb7!
- 1...Rf8+
- 1.Rd8?
- 1...Rxd8
- 2.Rd6#
- 1...Ra8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rcd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rcc8#
- 1...Rc8
- 2.Rc7#
- 2.Rcxc8#
- 1...Rxb7!
- 1...Rxd8
- 1.Rc1?
- threat
- 2.Kf2#
- 1...Rf8+
- 2.Rf5#
- 1...Re8
- 2.Re5#
- 1...Rg8
- 2.Rg5#
- 1...Rc8!
- threat
- 1.Rc7?
- 1...Rf8+
- 2.Rf5#
- 1...Rc8
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rdc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rd6#
- 2.Rdd7#
- 2.Rd8#
- 1...Ra8
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rdc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rd6#
- 2.Rdd7#
- 2.Rd8#
- 1...Rd8
- 2.Rd6#
- 2.Rdd7#
- 2.Rxd8#
- 1...Re8
- 2.Re5#
- 1...Rg8
- 2.Rg5#
- 1...Rh8
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rdc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rd6#
- 2.Rdd7#
- 2.Rd8#
- 1...Rxb7!
- 1...Rf8+
- 1.Rd2?
- Keys
- 1.Rd1!
- threat
- 2.Kf2#
- 1...Rf8+
- 2.Rf6#
- 1...Rd8
- 2.Rcd6#
- 1...Re8
- 2.Re6#
- 1...Rg8
- 2.Rg6#
- threat
- 1.Rd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(B);
- Vars
- R(c);CHECK,N_GUARD::B(D)+R(C)
- R(c);N_GUARD::B(D)+R(C)
- Refutation
- R(c);XB(D)
- Try
- R(B);
- Vars
- R(c);CHECK,N_GUARD::B(D)+R(C)
- R(c);N_GUARD::B(D)+R(C)
- Refutation
- R(c);XB(D)
- Try
- R(B);
- Vars
- R(c);CHECK,N_GUARD::B(D)+R(C)
- R(c);N_GUARD::B(D)+R(C)
- Refutation
- R(c);XB(D)
- Try
- R(B);
- Vars
- R(c);CHECK,N_GUARD::B(D)+R(C)
- R(c);N_GUARD::B(D)+R(C)
- Refutation
- R(c);XB(D)
- Try
- R(B);
- Vars
- R(c);CHECK,N_GUARD::B(D)+R(C)
- R(c);N_GUARD::B(D)+R(C)
- Refutation
- R(c);XB(D)
- Try
- R(B);
- Vars
- R(c);CHECK,N_GUARD::B(D)+R(C)
- R(c);N_GUARD::B(D)+R(C)
- Refutation
- R(c);XB(D)
- Try
- R(B);
- Vars
- R(c);CHECK,N_GUARD::B(D)+R(C)
- R(c);N_GUARD::B(D)+R(C)
- Refutation
- R(c);XB(D)
- Try
- R(B);
- Vars
- R(c);N_GUARD::B(D)+R(C)
- Refutation
- R(c);XB(D)
- Try
- R(B);
- Vars
- R(c);CHECK,N_GUARD::B(D)+R(C)
- R(c);N_GUARD::B(D)+R(C)
- Refutation
- R(c);XB(D)
- Try
- R(B);P_PINP(b)
- Vars
- R(c);CHECK,N_GUARD::B(D)+R(C)
- R(c);N_GUARD::B(D)+R(C)
- Refutation
- R(c);XB(D)
- Try
- R(B);
- Vars
- R(c);CHECK,N_GUARD::B(D)+R(C)
- R(c);N_GUARD::B(D)+R(C)
- Refutation
- R(c);XB(D)
- Try
- R(B);
- Vars
- R(c);N_GUARD,XR(B)::B(D)+R(C)
- Refutation
- R(c);XB(D)
- Try
- R(C);
- Threat
- R(C)+K(A)
- Vars
- R(c);CHECK,N_GUARD::B(D)+R(B)
- R(c);N_GUARD::B(D)+R(B)
- Refutation
- R(c);
- Try
- R(C);
- Vars
- R(c);CHECK,N_GUARD::B(D)+R(B)
- R(c);N_GUARD::B(D)+R(B)
- Refutation
- R(c);XB(D)
- Try
- Actual
- R(B);
- Threat
- R(B)+K(A)
- Vars
- R(c);CHECK,N_GUARD::B(D)+R(C)
- R(c);N_GUARD::B(D)+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).