MESON Chess Problem Database
Problem Display
PID: 219958 (2n5/2qR1p2/5k1K/3B1p2/3P1p2/1Q3P2/8/8 w - - 0 1)
Uhler, Ekkehard
Badische Neueste Nachrichten, 1985
#2
6 + 6
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qa5
- 2.Rxf7#
- 1...Qe5
- 2.Rxf7#
- 1...Qb6
- 2.Rxf7#
- 1...Qd6
- 2.Rxf7#
- 1...Qb8
- 2.Rxf7#
- 1...Qd8
- 2.Rxf7#
- 1...Qc1
- 2.Rxf7#
- 1...Qc2
- 2.Rxf7#
- 1...Qc3
- 2.Rxf7#
- 1...Qc4
- 2.Rxf7#
- 1...Qc5
- 2.Rxf7#
- 1...Qc6
- 2.Rxf7#
- 1...Qa5
- Tries
- 1.Qe3?
- 1...Qxd7
- 2.Qe5#
- 1...Sd6
- 2.Qe5#
- 2.Qe7#
- 1...Qa5
- 2.Rxf7#
- 2.Qe5#
- 1...Qe5
- 2.Rxf7#
- 2.Qxe5#
- 2.dxe5#
- 1...Qb6
- 2.Rxf7#
- 2.Qe5#
- 1...Qd6
- 2.Rxf7#
- 1...Qb8
- 2.Rxf7#
- 1...Qd8
- 2.Rxf7#
- 2.Qe5#
- 1...Qc1
- 2.Rxf7#
- 2.Qe5#
- 1...Qc2
- 2.Rxf7#
- 2.Qe5#
- 1...Qc3
- 2.Rxf7#
- 2.Qe5#
- 1...Qc4
- 2.Rxf7#
- 2.Qe5#
- 1...Qc5
- 2.Rxf7#
- 2.Qe5#
- 1...Qc6
- 2.Rxf7#
- 2.Qe5#
- 1...Qa7
- 2.Qe5#
- 1...Qb7
- 2.Qe5#
- 1...Sb6
- 2.Qe7#
- 1...Sa7
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...fxe3!
- 1...Qxd7
- 1.Qe3?
- Keys
- 1.Qb8!
- 1...Qxb8
- 2.Rxf7#
- 1...Qxd7
- 2.Qe5#
- 1...Sd6
- 2.Qh8#
- 1...Qa5
- 2.Rxf7#
- 2.Qe5#
- 1...Qe5
- 2.Rxf7#
- 2.Qxe5#
- 2.dxe5#
- 1...Qb6
- 2.Rxf7#
- 2.Qe5#
- 1...Qd6
- 2.Rxf7#
- 1...Qd8
- 2.Rxf7#
- 2.Qe5#
- 1...Qc1
- 2.Rxf7#
- 2.Qe5#
- 1...Qc2
- 2.Rxf7#
- 2.Qe5#
- 1...Qc3
- 2.Rxf7#
- 2.Qe5#
- 1...Qc4
- 2.Rxf7#
- 2.Qe5#
- 1...Qc5
- 2.Rxf7#
- 2.Qe5#
- 1...Qc6
- 2.Rxf7#
- 2.Qe5#
- 1...Qa7
- 2.Qe5#
- 1...Qb7
- 2.Qe5#
- 1...Sb6
- 2.Qh8#
- 1...Sa7
- 2.Qh8#
- 1...Se7
- 2.Qh8#
- 1...Qxb8
- 1.Qb8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 10
- Sets
- Q(d);N_GUARD::R1(F),XP(e)
- Tries
- Try
- Q(A);
- Vars
- Q(d);N_GUARD,XR(F)::QAB1(A)
- Q(d);N_GUARD::R1(F),XP(e)
- Q(d);N_GUARD::QAB1(A)
- S(f);N_GUARD::QAB1(A)
- S(f);N_GUARD::QAB1(A),XS(f)
- Refutation
- P(a);XQ(A)
- Try
- Actual
- Q(A);
- Vars
- Q(d);N_GUARD,XQ(A)::R1(F),XP(e)
- Q(d);OGATE,XR(F)::QAB1(A)
- S(f);OGATE::QAB(A)
- Q(d);N_GUARD::R1(F),XP(e)
- Q(d);OGATE::QAB1(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).