MESON Chess Problem Database
Problem Display
PID: 185897 (8/1K2n1N1/1n1kP3/2p1p3/8/4N3/7p/4B2B w - - 0 1)
Kupper, Josef
Basler Nachrichten, 1952
#2
6 + 6
| 15601 | Albrecht-Leiss-Degener Collection | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sbd5
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sa8
- 2.Sc4#
- 1...Sbc8
- 2.Sc4#
- 1...Sed5
- 2.Sef5#
- 1...Sf5
- 2.Sexf5#
- 1...Sc6
- 2.Sef5#
- 1...Sg6
- 2.Sef5#
- 1...Sec8
- 2.Sef5#
- 1...Sg8
- 2.Sef5#
- 1...c4
- 2.Bb4#
- 1...e4
- 2.Bg3#
- 1...Sa4
- Tries
- 1.Bd2?
- 1...Sed5
- 2.Sef5#
- 1...Sf5
- 2.Sexf5#
- 1...Sc6
- 2.Sef5#
- 1...Sg6
- 2.Sef5#
- 1...Sec8
- 2.Sef5#
- 1...Sg8
- 2.Sef5#
- 1...c4
- 2.Bb4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sbd5
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sa8
- 2.Sc4#
- 1...Sbc8
- 2.Sc4#
- 1...e4!
- 1...Sed5
- 1.Bf2?
- 1...Sed5
- 2.Sef5#
- 1...Sf5
- 2.Sexf5#
- 1...Sc6
- 2.Sef5#
- 1...Sg6
- 2.Sef5#
- 1...Sec8
- 2.Sef5#
- 1...Sg8
- 2.Sef5#
- 1...e4
- 2.Bg3#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sbd5
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sa8
- 2.Sc4#
- 1...Sbc8
- 2.Sc4#
- 1...c4!
- 1...Sed5
- 1.Bc3?
- 1...Sed5
- 2.Sef5#
- 1...Sf5
- 2.Sexf5#
- 1...Sc6
- 2.Sef5#
- 1...Sg6
- 2.Sef5#
- 1...Sec8
- 2.Sef5#
- 1...Sg8
- 2.Sef5#
- 1...c4
- 2.Bb4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sbd5
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sa8
- 2.Sc4#
- 1...Sbc8
- 2.Sc4#
- 1...e4!
- 1...Sed5
- 1.Bg3?
- 1...Sed5
- 2.Sef5#
- 1...Sf5
- 2.Sexf5#
- 1...Sc6
- 2.Sef5#
- 1...Sg6
- 2.Sef5#
- 1...Sec8
- 2.Sef5#
- 1...Sg8
- 2.Sef5#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sbd5
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sa8
- 2.Sc4#
- 1...Sbc8
- 2.Sc4#
- 1...c4!
- 1...Sed5
- 1.Bh4?
- 1...e4
- 2.Bg3#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sbd5
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sa8
- 2.Sc4#
- 1...Sbc8
- 2.Sc4#
- 1...Sed5
- 2.Sef5#
- 1...Sf5
- 2.Sexf5#
- 1...Sc6
- 2.Sef5#
- 1...Sg6
- 2.Sef5#
- 1...Sec8
- 2.Sef5#
- 1...Sg8
- 2.Sef5#
- 1...c4!
- 1...e4
- 1.Ba5?
- 1...Sed5
- 2.Sef5#
- 1...Sf5
- 2.Sexf5#
- 1...Sc6
- 2.Sef5#
- 1...Sg6
- 2.Sef5#
- 1...Sec8
- 2.Sef5#
- 1...Sg8
- 2.Sef5#
- 1...c4
- 2.Bb4#
- 1...Sa4
- 2.Sc4#
- 2.Bc7#
- 1...Sc4
- 2.Sxc4#
- 2.Bc7#
- 1...Sbd5
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 2.Bc7#
- 1...Sa8
- 2.Sc4#
- 1...Sbc8
- 2.Sc4#
- 2.Bc7#
- 1...e4!
- 1...Sed5
- 1.Bd2?
- Keys
- 1.Bd5!
- threat
- 2.Se8#
- 1...Sbxd5
- 2.Sc4#
- 1...Sexd5
- 2.Sef5#
- 1...Sf5
- 2.Sgxf5#
- 1...Sc6
- 2.Sgf5#
- 1...Sg6
- 2.Sgf5#
- 1...Sec8
- 2.Sgf5#
- 1...Sg8
- 2.Sgf5#
- 1...c4
- 2.Bb4#
- 1...e4
- 2.Bg3#
- threat
- 1.Bd5!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 5
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- S(d);N_GUARD::S(C)
- S(d);N_GUARD::S(C),XS(d)
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- P(b);OGATEB::B(A)
- P(c);OGATEB::B(A)
- Tries
- Try
- B(A);
- Vars
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- P(b);OGATEB::B(A)
- S(d);N_GUARD::S(C)
- S(d);N_GUARD::S(C),XS(d)
- Refutation
- P(c);
- Try
- B(A);
- Vars
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- P(c);OGATEB::B(A)
- S(d);N_GUARD::S(C)
- S(d);N_GUARD::S(C),XS(d)
- Refutation
- P(b);
- Try
- B(A);
- Vars
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- P(b);OGATEB::B(A)
- S(d);N_GUARD::S(C)
- S(d);N_GUARD::S(C),XS(d)
- Refutation
- P(c);
- Try
- B(A);P_PINP(c)
- Vars
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- S(d);N_GUARD::S(C)
- S(d);N_GUARD::S(C),XS(d)
- Refutation
- P(b);
- Try
- B(A);
- Vars
- P(c);OGATEB::B(A)
- S(d);N_GUARD::S(C)
- S(d);N_GUARD::S(C),XS(d)
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- Refutation
- P(b);
- Try
- B(A);
- Vars
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- P(b);OGATEB::B(A)
- S(d);N_GUARD::S(C)
- Refutation
- P(c);
- Try
- Actual
- B(B);
- Threat
- S(F)
- Vars
- S(d);N_GUARD,SBLOCK,XB(B)::S(C)
- S(f);N_GUARD,SBLOCK,XB(B)::S(C)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD::S(F)
- P(b);OGATEB::B(A)
- P(c);OGATEB::B(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).