MESON Chess Problem Database
Problem Display
PID: 248224 (8/8/7p/1b1N2bk/8/3B1N1P/3Q4/K7 w - - 0 1)
von Bilow, Ludwig Immanuel
Spirit of the Times, 1875
(First published on Sat May 22 1875)
#2
6 + 4
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bxd2
- 2.Sf6#
- 1...Be3
- 2.Sf6#
- 1...Bf4
- 2.Sxf4#
- 2.Sf6#
- 1...Bh4
- 2.Sf4#
- 1...Bf6+
- 2.Sxf6#
- 1...Be7
- 2.Sf4#
- 1...Bd8
- 2.Sf4#
- 1...Bxd2
- Tries
- 1.Qf4?
- threat
- 2.Qg4#
- 2.Qf7#
- 1...Bf6+
- 2.Sxf6#
- 1...Bxf4
- 2.Sxf4#
- 2.Sf6#
- 1...Bd7
- 2.Qf7#
- 1...Be8
- 2.Qg4#
- 1...Bxd3!
- threat
- 1.Qf4?
- Keys
- 1.Qa5!
- 1...Bf6+
- 2.Sxf6#
- 1...Bxd3
- 2.Sf4#
- 1...Ba4
- 2.Sf4#
- 2.Sf6#
- 1...Bc4
- 2.Sf4#
- 2.Sf6#
- 1...Ba6
- 2.Sf4#
- 2.Sf6#
- 1...Bc6
- 2.Sf4#
- 2.Sf6#
- 1...Bd7
- 2.Sf4#
- 2.Sf6#
- 1...Be8
- 2.Sf4#
- 2.Sf6#
- 1...Bc1
- 2.Sf6#
- 1...Bd2
- 2.Sf6#
- 1...Be3
- 2.Sf6#
- 1...Bf4
- 2.Sxf4#
- 2.Sf6#
- 1...Bh4
- 2.Sf4#
- 1...Be7
- 2.Sf4#
- 1...Bd8
- 2.Sf4#
- 1...Bf6+
- 1.Qa5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD,XQ(B)::S(F)
- B(b);N_GUARD::S(F)
- B(b);CHECK,N_GUARD::S(F),XB(b)
- Tries
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,N_GUARD::S(F),XB(b)
- B(a);::QAB(B)
- B(a);::QAB1(B)
- Refutation
- B(a);XB(C)
- Try
- Actual
- Q(B);
- Vars
- B(b);CHECK,N_GUARD::S(F),XB(b)
- B(a);S_CUTB(b),XB(C)::S(F)
- B(b);N_GUARD::S(F)
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).