MESON Chess Problem Database
Problem Display
PID: 249870 (k1r5/p7/N2N4/K7/1R6/8/8/8 w - - 0 1)
Speckmann, Werner
Deutsche Schachzeitung, 1968
#2
4 + 3
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Rb8#
- 1...Rc2
- 2.Rb8#
- 1...Rc3
- 2.Rb8#
- 1...Rc4
- 2.Rb8#
- 1...Rc6
- 2.Rb8#
- 1...Rc7
- 2.Sxc7#
- 2.Rb8#
- 1...Rb8
- 2.Sc7#
- 2.Rxb8#
- 1...Rd8
- 2.Sc7#
- 1...Re8
- 2.Sc7#
- 1...Rf8
- 2.Sc7#
- 1...Rg8
- 2.Sc7#
- 1...Rh8
- 2.Sc7#
- 1...Rc1
- Tries
- 1.Ka4?
- 1...Rc1
- 2.Rb8#
- 1...Rc2
- 2.Rb8#
- 1...Rc3
- 2.Rb8#
- 1...Rc5
- 2.Rb8#
- 1...Rc6
- 2.Rb8#
- 1...Rc7
- 2.Sxc7#
- 2.Rb8#
- 1...Rb8
- 2.Sc7#
- 2.Rxb8#
- 1...Rd8
- 2.Sc7#
- 1...Re8
- 2.Sc7#
- 1...Rf8
- 2.Sc7#
- 1...Rg8
- 2.Sc7#
- 1...Rh8
- 2.Sc7#
- 1...Rc4!
- 1...Rc1
- 1.Sc4?
- 1...Rxc4
- 2.Rb8#
- 1...Rc6
- 2.Rb8#
- 1...Rc7
- 2.Sxc7#
- 2.Rb8#
- 1...Rb8
- 2.Sc7#
- 2.Rxb8#
- 1...Rd8
- 2.Sc7#
- 1...Re8
- 2.Sc7#
- 1...Rf8
- 2.Sc7#
- 1...Rg8
- 2.Sc7#
- 1...Rh8
- 2.Sc7#
- 1...Rc5+!
- 1...Rxc4
- 1.Se4?
- 1...Rc1
- 2.Rb8#
- 1...Rc2
- 2.Rb8#
- 1...Rc3
- 2.Rb8#
- 1...Rc4
- 2.Rb8#
- 1...Rc6
- 2.Rb8#
- 1...Rc7
- 2.Sxc7#
- 2.Rb8#
- 1...Rb8
- 2.Sc7#
- 2.Rxb8#
- 1...Rd8
- 2.Sc7#
- 1...Re8
- 2.Sc7#
- 1...Rf8
- 2.Sc7#
- 1...Rg8
- 2.Sc7#
- 1...Rh8
- 2.Sc7#
- 1...Rc5+!
- 1...Rc1
- 1.Sf5?
- 1...Rc1
- 2.Rb8#
- 1...Rc2
- 2.Rb8#
- 1...Rc3
- 2.Rb8#
- 1...Rc4
- 2.Rb8#
- 1...Rc6
- 2.Rb8#
- 1...Rc7
- 2.Sxc7#
- 2.Rb8#
- 1...Rb8
- 2.Sc7#
- 2.Rxb8#
- 1...Rd8
- 2.Sc7#
- 1...Re8
- 2.Sc7#
- 1...Rf8
- 2.Sc7#
- 1...Rg8
- 2.Sc7#
- 1...Rh8
- 2.Sc7#
- 1...Rc5+!
- 1...Rc1
- 1.Sf7?
- 1...Rc1
- 2.Rb8#
- 1...Rc2
- 2.Rb8#
- 1...Rc3
- 2.Rb8#
- 1...Rc4
- 2.Rb8#
- 1...Rc6
- 2.Rb8#
- 1...Rc7
- 2.Sxc7#
- 2.Rb8#
- 1...Rb8
- 2.Sc7#
- 2.Rxb8#
- 1...Rd8
- 2.Sc7#
- 1...Re8
- 2.Sc7#
- 1...Rf8
- 2.Sc7#
- 1...Rg8
- 2.Sc7#
- 1...Rh8
- 2.Sc7#
- 1...Rc5+!
- 1...Rc1
- 1.Se8?
- 1...Rxe8
- 2.Sc7#
- 1...Rc1
- 2.Rb8#
- 1...Rc2
- 2.Rb8#
- 1...Rc3
- 2.Rb8#
- 1...Rc4
- 2.Rb8#
- 1...Rc6
- 2.Rb8#
- 1...Rc7
- 2.Saxc7#
- 2.Sexc7#
- 2.Rb8#
- 1...Rb8
- 2.Sac7#
- 2.Sec7#
- 2.Rxb8#
- 1...Rd8
- 2.Sac7#
- 2.Sec7#
- 1...Rc5+!
- 1...Rxe8
- 1.Rb1?
- 1...Rc1
- 2.Rb8#
- 1...Rc2
- 2.Rb8#
- 1...Rc3
- 2.Rb8#
- 1...Rc4
- 2.Rb8#
- 1...Rc6
- 2.Rb8#
- 1...Rc7
- 2.Sxc7#
- 2.Rb8#
- 1...Rb8
- 2.Sc7#
- 2.Rxb8#
- 1...Rd8
- 2.Sc7#
- 1...Re8
- 2.Sc7#
- 1...Rf8
- 2.Sc7#
- 1...Rg8
- 2.Sc7#
- 1...Rh8
- 2.Sc7#
- 1...Rc5+!
- 1...Rc1
- 1.Rb2?
- 1...Rc1
- 2.Rb8#
- 1...Rc2
- 2.Rb8#
- 1...Rc3
- 2.Rb8#
- 1...Rc4
- 2.Rb8#
- 1...Rc6
- 2.Rb8#
- 1...Rc7
- 2.Sxc7#
- 2.Rb8#
- 1...Rb8
- 2.Sc7#
- 2.Rxb8#
- 1...Rd8
- 2.Sc7#
- 1...Re8
- 2.Sc7#
- 1...Rf8
- 2.Sc7#
- 1...Rg8
- 2.Sc7#
- 1...Rh8
- 2.Sc7#
- 1...Rc5+!
- 1...Rc1
- 1.Rb3?
- 1...Rc1
- 2.Rb8#
- 1...Rc2
- 2.Rb8#
- 1...Rc3
- 2.Rb8#
- 1...Rc4
- 2.Rb8#
- 1...Rc6
- 2.Rb8#
- 1...Rc7
- 2.Sxc7#
- 2.Rb8#
- 1...Rb8
- 2.Sc7#
- 2.Rxb8#
- 1...Rd8
- 2.Sc7#
- 1...Re8
- 2.Sc7#
- 1...Rf8
- 2.Sc7#
- 1...Rg8
- 2.Sc7#
- 1...Rh8
- 2.Sc7#
- 1...Rc5+!
- 1...Rc1
- 1.Rb5?
- 1...Rc1
- 2.Rb8#
- 1...Rc2
- 2.Rb8#
- 1...Rc3
- 2.Rb8#
- 1...Rc4
- 2.Rb8#
- 1...Rc6
- 2.Rb8#
- 1...Rc7
- 2.Sxc7#
- 2.Rb8#
- 1...Rb8
- 2.Sc7#
- 2.Rxb8#
- 1...Rd8
- 2.Sc7#
- 1...Re8
- 2.Sc7#
- 1...Rf8
- 2.Sc7#
- 1...Rg8
- 2.Sc7#
- 1...Rh8
- 2.Sc7#
- 1...Rc5!
- 1...Rc1
- 1.Rb7?
- 1...Rc1
- 2.Rb8#
- 1...Rc2
- 2.Rb8#
- 1...Rc3
- 2.Rb8#
- 1...Rc4
- 2.Rb8#
- 1...Rc6
- 2.Rb8#
- 1...Rc7
- 2.Sxc7#
- 2.Rb8#
- 1...Rb8
- 2.Sc7#
- 2.Rxb8#
- 1...Rd8
- 2.Sc7#
- 1...Re8
- 2.Sc7#
- 1...Rf8
- 2.Sc7#
- 1...Rg8
- 2.Sc7#
- 1...Rh8
- 2.Sc7#
- 1...Rc5+!
- 1...Rc1
- 1.Ka4?
- Keys
- 1.Rb8+!
- 1...Rxb8
- 2.Sc7#
- 1...Rxb8
- 1.Rb8+!
This is a version of 234562
FEATURES
- Static
- TYPE = CHECKING_KEY
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- R(c);N_GUARD::R1(A)
- R(c);N_GUARD::S(C)
- R(c);N_GUARD,SBLOCK::S(C)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- R(c);N_GUARD::R1(A)
- R(c);N_GUARD::S(C)
- R(c);N_GUARD,SBLOCK::S(C)
- Refutation
- R(c);P_PINR(A)
- Try
- S(D);
- Vars
- R(c);N_GUARD,XS(D)::R1(A)
- R(c);N_GUARD::R1(A)
- R(c);N_GUARD::S(C)
- R(c);N_GUARD,SBLOCK::S(C)
- Refutation
- R(c);CHECK
- Try
- S(D);
- Vars
- R(c);N_GUARD::R1(A)
- R(c);N_GUARD::S(C)
- R(c);N_GUARD,SBLOCK::S(C)
- Refutation
- R(c);CHECK
- Try
- S(D);
- Vars
- R(c);N_GUARD::R1(A)
- R(c);N_GUARD::S(C)
- R(c);N_GUARD,SBLOCK::S(C)
- Refutation
- R(c);CHECK
- Try
- S(D);
- Vars
- R(c);N_GUARD::R1(A)
- R(c);N_GUARD::S(C)
- Refutation
- R(c);CHECK
- Try
- S(D);
- Vars
- R(c);N_GUARD,XS(D)::S(C)
- R(c);N_GUARD::R1(A)
- Refutation
- R(c);CHECK
- Try
- R(A);
- Vars
- R(c);N_GUARD::R1(A)
- R(c);N_GUARD::S(C)
- R(c);N_GUARD,SBLOCK::S(C)
- Refutation
- R(c);CHECK
- Try
- R(A);
- Vars
- R(c);N_GUARD::R1(A)
- R(c);N_GUARD::S(C)
- R(c);N_GUARD,SBLOCK::S(C)
- Refutation
- R(c);CHECK
- Try
- R(A);
- Vars
- R(c);N_GUARD::R1(A)
- R(c);N_GUARD::S(C)
- R(c);N_GUARD,SBLOCK::S(C)
- Refutation
- R(c);CHECK
- Try
- R(A);
- Vars
- R(c);N_GUARD::R1(A)
- R(c);N_GUARD::S(C)
- R(c);N_GUARD,SBLOCK::S(C)
- Refutation
- R(c);P_PINR(A)
- Try
- R(A);
- Vars
- R(c);N_GUARD::R1(A)
- R(c);N_GUARD::S(C)
- R(c);N_GUARD,SBLOCK::S(C)
- Refutation
- R(c);CHECK
- Try
- Actual
- R(A);CHECK
- Vars
- R(c);SBLOCK,XR(A)::S(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).