MESON Chess Problem Database
Problem Display
PID: 31059 (2q3Q1/8/3p1B2/3N1n2/4kN2/2p2p2/2P5/2K5 w - - 0 1)
Dubbe, Friedrich
Deutsches Wochenschach, 1898
#2
6 + 6
| 3429 | Friedrich Dubbe ein Deutscher Problemmeister | 1938 |
SOLUTION
- SOUND
- Sets
- 1...Qa6
- 2.Qe6#
- 1...Qe6
- 2.Qxe6#
- 1...Qb7
- 2.Qe6#
- 1...Qc4
- 2.Qe6#
- 1...Qc5
- 2.Qe6#
- 1...Qc6
- 2.Qe6#
- 1...Qc7
- 2.Qe6#
- 1...Qa8
- 2.Qe6#
- 1...Qb8
- 2.Qe6#
- 1...Qd8
- 2.Qe6#
- 1...Qf8
- 2.Qe6#
- 1...f2
- 2.Qg2#
- 1...Qa6
- Keys
- 1.Se2!
- 1...Qxg8
- 2.Sexc3#
- 1...fxe2
- 2.Qg2#
- 1...Qe6
- 2.Sexc3#
- 2.Qxe6#
- 1...Se3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Sd4
- 2.Sg3#
- 1...Sh4
- 2.Sg3#
- 1...Sh6
- 2.Sg3#
- 1...Se7
- 2.Sg3#
- 1...Sg7
- 2.Sg3#
- 1...f2
- 2.Qg2#
- 1...Qa6
- 2.Sexc3#
- 2.Qe6#
- 1...Qb7
- 2.Sexc3#
- 2.Qe6#
- 1...Qd7
- 2.Sexc3#
- 1...Qc4
- 2.Qe6#
- 1...Qc5
- 2.Qe6#
- 1...Qc6
- 2.Qe6#
- 1...Qc7
- 2.Qe6#
- 1...Qa8
- 2.Sexc3#
- 2.Qe6#
- 1...Qb8
- 2.Sexc3#
- 2.Qe6#
- 1...Qd8
- 2.Sexc3#
- 2.Qe6#
- 1...Qe8
- 2.Sexc3#
- 1...Qf8
- 2.Sexc3#
- 2.Qe6#
- 1...Qxg8
- 1.Se2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 7
- Sets
- Q(f);N_GUARD::QAR2(F)
- Q(f);N_GUARD::QAR2(F),XQ(f)
- P(b);OGATEB::QAB(F)
- Actual
- S(C);
- Vars
- Q(f);N_GUARD,XQ(F)::S(C),XP(a)
- P(b);OGATEB,XS(C)::QAB(F)
- S(d);N_GUARD::S(C)
- S(d);N_GUARD::S(C),XS(d)
- P(b);OGATEB::QAB(F)
- Q(f);N_GUARD::S(C),XP(a)
- Q(f);N_GUARD::QAR2(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).