MESON Chess Problem Database
Problem Display
PID: 85842 (1Q6/2K1R2B/5Nq1/5kr1/5pb1/8/8/8 w - - 0 1)
Speckmann, Werner
The Problemist, 1967
#2
5 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Tries
- 1.Se4?
- threat
- 2.Qb5#
- 2.Qc8#
- 2.Qf8#
- 1...Bd1
- 2.Qc8#
- 1...Be2
- 2.Qc8#
- 1...Bf3
- 2.Qc8#
- 1...Bh3
- 2.Qc8#
- 1...Bh5
- 2.Qc8#
- 1...f3
- 2.Qf8#
- 1...Qxh7!
- threat
- 1.Sd5?
- threat
- 2.Qb1#
- 2.Qc8#
- 2.Qf8#
- 1...Qxh7
- 2.Qb1#
- 1...Bd1
- 2.Qc8#
- 1...Be2
- 2.Qc8#
- 1...Bf3
- 2.Qc8#
- 1...Bh3
- 2.Qc8#
- 1...Bh5
- 2.Qc8#
- 1...Rh5!
- threat
- 1.Se8?
- threat
- 2.Qb1#
- 2.Qb5#
- 2.Qc8#
- 1...Qxh7
- 2.Qb1#
- 1...Rh5
- 2.Qb5#
- 1...Bd1
- 2.Qc8#
- 1...Be2
- 2.Qc8#
- 1...Bf3
- 2.Qc8#
- 1...Bh3
- 2.Qc8#
- 1...Bh5
- 2.Qc8#
- 1...f3!
- threat
- 1.Se4?
- Keys
- 1.Sg8!
- threat
- 2.Qb1#
- 2.Qb5#
- 2.Qc8#
- 2.Qf8#
- 1...Qxh7
- 2.Qb1#
- 1...Rh5
- 2.Qb5#
- 1...Bd1
- 2.Qc8#
- 1...Be2
- 2.Qc8#
- 1...Bf3
- 2.Qc8#
- 1...Bh3
- 2.Qc8#
- 1...Bh5
- 2.Qc8#
- 1...f3
- 2.Qf8#
- threat
- 1.Sg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(A);
- Threat
- DUALS(3)
- Vars
- B(b);::QAB(E)
- P(a);::QAR(E)
- Refutation
- Q(e);N_SPINQ(e),P_PINR(C),XB(D)
- Try
- S(A);
- Threat
- DUALS(3)
- Vars
- Q(e);N_SPINQ(e),P_PINR(C),XB(D)::QAB(E)
- B(b);::QAB(E)
- Refutation
- R(d);
- Try
- S(A);
- Threat
- DUALS(3)
- Vars
- Q(e);N_SPINQ(e),P_PINR(C),XB(D)::QAB(E)
- R(d);::QAR(E)
- B(b);::QAB(E)
- Refutation
- P(a);
- Try
- Actual
- S(A);
- Threat
- DUALS(4)
- Vars
- Q(e);N_SPINQ(e),P_PINR(C),XB(D)::QAB(E)
- R(d);::QAR(E)
- B(b);::QAB(E)
- P(a);::QAR(E)
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).