MESON Chess Problem Database
Problem Display
PID: 243456 (k1N5/2K5/2n5/4n3/B7/8/8/1R6 w - - 0 1)
Buchwald, Julius
Shakhmaty v SSSR, 1937
#2
4 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Bxc6#
- 1...Sf3
- 2.Bxc6#
- 1...Sc4
- 2.Bxc6#
- 1...Sg4
- 2.Bxc6#
- 1...Sg6
- 2.Bxc6#
- 1...Sd7
- 2.Bxc6#
- 1...Sf7
- 2.Bxc6#
- 1...Sd4
- 2.Rb8#
- 1...Sa5
- 2.Rb8#
- 1...Sa7
- 2.Sb6#
- 2.Rb8#
- 1...Se7
- 2.Rb8#
- 1...Sb8
- 2.Rxb8#
- 1...Sd8
- 2.Rb8#
- 1...Sd3
- Tries
- 1.Ra1?
- threat
- 2.Bxc6#
- 1...Sb4
- 2.Bc6#
- 1...Sd4
- 2.Bd1#
- 2.Bc2#
- 2.Bb3#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...Sa7
- 2.Sb6#
- 1...Se7
- 2.Bd1#
- 2.Bc2#
- 2.Bb3#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...Sb8
- 2.Bc6#
- 1...Sd8
- 2.Bd1#
- 2.Bc2#
- 2.Bb3#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 2.Be8#
- 1...Sa5!
- threat
- 1.Rb2?
- 1...Sd3
- 2.Bxc6#
- 1...Sf3
- 2.Bxc6#
- 1...Sc4
- 2.Bxc6#
- 1...Sg4
- 2.Bxc6#
- 1...Sg6
- 2.Bxc6#
- 1...Sd7
- 2.Bxc6#
- 1...Sf7
- 2.Bxc6#
- 1...Sd4
- 2.Rb8#
- 1...Sa5
- 2.Rb8#
- 1...Sa7
- 2.Sb6#
- 2.Rb8#
- 1...Se7
- 2.Rb8#
- 1...Sb8
- 2.Rxb8#
- 1...Sd8
- 2.Rb8#
- 1...Sb4!
- 1...Sd3
- 1.Rb3?
- 1...Sd3
- 2.Bxc6#
- 1...Sf3
- 2.Bxc6#
- 1...Sc4
- 2.Bxc6#
- 1...Sg4
- 2.Bxc6#
- 1...Sg6
- 2.Bxc6#
- 1...Sd7
- 2.Bxc6#
- 1...Sf7
- 2.Bxc6#
- 1...Sd4
- 2.Rb8#
- 1...Sa5
- 2.Rb8#
- 1...Sa7
- 2.Sb6#
- 2.Rb8#
- 1...Se7
- 2.Rb8#
- 1...Sb8
- 2.Rxb8#
- 1...Sd8
- 2.Rb8#
- 1...Sb4!
- 1...Sd3
- 1.Rb4?
- 1...Sd3
- 2.Bxc6#
- 1...Sf3
- 2.Bxc6#
- 1...Sc4
- 2.Bxc6#
- 1...Sg4
- 2.Bxc6#
- 1...Sg6
- 2.Bxc6#
- 1...Sd7
- 2.Bxc6#
- 1...Sf7
- 2.Bxc6#
- 1...Sd4
- 2.Rb8#
- 1...Sa5
- 2.Rb8#
- 1...Sa7
- 2.Sb6#
- 2.Rb8#
- 1...Se7
- 2.Rb8#
- 1...Sb8
- 2.Rxb8#
- 1...Sd8
- 2.Rb8#
- 1...Sxb4!
- 1...Sd3
- 1.Ra1?
- Keys
- 1.Rb6!
- 1...Sb4
- 2.Rb8#
- 1...Sd3
- 2.Bxc6#
- 1...Sf3
- 2.Bxc6#
- 1...Sc4
- 2.Bxc6#
- 1...Sg4
- 2.Bxc6#
- 1...Sg6
- 2.Bxc6#
- 1...Sd7
- 2.Bxc6#
- 1...Sf7
- 2.Bxc6#
- 1...Sd4
- 2.Ra6#
- 2.Rb8#
- 1...Sa5
- 2.Ra6#
- 2.Rb8#
- 1...Sa7
- 2.Rb8#
- 1...Se7
- 2.Ra6#
- 2.Rb8#
- 1...Sb8
- 2.Rxb8#
- 1...Sd8
- 2.Ra6#
- 2.Rb8#
- 1...Sb4
- 1.Rb6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- S(a);N_GUARD::B(B),XS(b)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- Tries
- Try
- R(A);
- Threat
- R(A)+B(B),DCHECK,XS(b)
- Vars
- S(b);::R(A)+B(B),DCHECK
- S(b);SBLOCK::S(D)
- Refutation
- S(b);
- Try
- R(A);
- Vars
- S(a);N_GUARD::B(B),XS(b)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- Refutation
- S(b);
- Try
- R(A);
- Vars
- S(a);N_GUARD::B(B),XS(b)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- Refutation
- S(b);
- Try
- R(A);
- Vars
- S(a);N_GUARD::B(B),XS(b)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- Refutation
- S(b);XR(A)
- Try
- Actual
- R(A);
- Vars
- S(b);N_GUARD::R1(A)
- S(a);N_GUARD::B(B),XS(b)
- S(b);N_GUARD::R1(A),XS(b)
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).