MESON Chess Problem Database
Problem Display
PID: 22355 (8/3q4/3n1R2/7k/6R1/5Q1K/8/8 w - - 0 1)
Speckmann, Werner
Deutsche Schachzeitung, 1981
#2
4 + 3
| 3295 | Einfuhrung in die Welt des Schachproblem | 1984 |
SOLUTION
- SOUND
- Sets
- 1...Qxg4+
- 2.Qxg4#
- 1...Qb5
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rgg6#
- 2.Rg7#
- 2.Rg8#
- 1...Qe8
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rgg6#
- 2.Rg7#
- 2.Rg8#
- 1...Qa7
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rgg6#
- 2.Rg7#
- 2.Rg8#
- 1...Qc7
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rgg6#
- 2.Rg7#
- 2.Rg8#
- 1...Qe7
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rgg6#
- 2.Rg7#
- 2.Rg8#
- 1...Qf7
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rgg6#
- 2.Rg7#
- 2.Rg8#
- 1...Qg7
- 2.Rgg6#
- 2.Rxg7#
- 1...Qh7
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rgg6#
- 2.Rg7#
- 2.Rg8#
- 1...Qd8
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rgg6#
- 2.Rg7#
- 2.Rg8#
- 1...Sf5
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rgg6#
- 2.Rg7#
- 2.Rg8#
- 1...Qxg4+
- Tries
- 1.Qf4?
- threat
- 2.Rh6#
- 2.Qg5#
- 2.Qh6#
- 1...Qxg4+
- 2.Qxg4#
- 1...Qf5
- 2.Rh6#
- 2.Qh6#
- 1...Qb5
- 2.Rh4#
- 2.Rh6#
- 2.Qh6#
- 1...Qe6
- 2.Qg5#
- 2.Qh6#
- 1...Qg7
- 2.Rh4#
- 1...Qh7
- 2.Rh4#
- 2.Rg5#
- 2.Qg5#
- 1...Se4
- 2.Rh6#
- 2.Qh6#
- 1...Sf5
- 2.Rg5#
- 2.Qg5#
- 1...Sf7!
- threat
- 1.Qf4?
- Keys
- 1.Qg3!
- threat
- 2.Qh4#
- 1...Qxg4+
- 2.Qxg4#
- 1...Sf5
- 2.Rg5#
- threat
- 1.Qg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(c);CHECK,OGATE,P_SPINQ(c),XR(C)::QAB1(A),XQ(c)
- Tries
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- Q(c);CHECK,OGATE,XR(C)::QAB1(A),XQ(c)
- Q(c);N_PINR(C)::R1(C)
- Refutation
- S(b);
- Try
- Actual
- Q(A);
- Threat
- QAR1(A)
- Vars
- Q(c);CHECK,OGATE,XR(C)::QAB1(A),XQ(c)
- S(b);N_PINR(C)::R1(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).