MESON Chess Problem Database
Problem Display
PID: 85785 (7k/1R6/8/3B4/7b/4Kn2/8/7Q w - - 0 1)
Speckmann, Werner
Schach-Report/Deutsche Schachblatter, 1989
#2
4 + 3
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.Qxh4#
- 1...Sg1
- 2.Qxh4#
- 1...Sd2
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Se5
- 2.Qxh4#
- 1...Sg5
- 2.Qa1#
- 1...Se1
- Tries
- 1.Kf4?
- 1...Se1
- 2.Qxh4#
- 1...Sg1
- 2.Qxh4#
- 1...Sd2
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Se5
- 2.Qxh4#
- 1...Sg5
- 2.Qa1#
- 1...Sh2!
- 1...Se1
- 1.Ba2?
- 1...Se1
- 2.Qxh4#
- 1...Sg1
- 2.Qxh4#
- 1...Sd2
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Se5
- 2.Qxh4#
- 1...Sg5
- 2.Qa1#
- 1...Sh2!
- 1...Se1
- 1.Bb3?
- 1...Se1
- 2.Qxh4#
- 1...Sg1
- 2.Qxh4#
- 1...Sd2
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Se5
- 2.Qxh4#
- 1...Sg5
- 2.Qa1#
- 1...Sh2!
- 1...Se1
- 1.Bc4?
- 1...Se1
- 2.Qxh4#
- 1...Sg1
- 2.Qxh4#
- 1...Sd2
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Se5
- 2.Qxh4#
- 1...Sg5
- 2.Qa1#
- 1...Sh2!
- 1...Se1
- 1.Be6?
- 1...Se1
- 2.Qxh4#
- 1...Sg1
- 2.Qxh4#
- 1...Sd2
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Se5
- 2.Qxh4#
- 1...Sg5
- 2.Qa1#
- 1...Sh2!
- 1...Se1
- 1.Ra7?
- 1...Se1
- 2.Qxh4#
- 1...Sg1
- 2.Qxh4#
- 1...Sd2
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Se5
- 2.Qxh4#
- 1...Sg5
- 2.Qa1#
- 1...Sh2!
- 1...Se1
- 1.Rc7?
- 1...Se1
- 2.Qxh4#
- 1...Sg1
- 2.Qxh4#
- 1...Sd2
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Se5
- 2.Qxh4#
- 1...Sg5
- 2.Qa1#
- 1...Sh2!
- 1...Se1
- 1.Rd7?
- 1...Se1
- 2.Qxh4#
- 1...Sg1
- 2.Qxh4#
- 1...Sd2
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Se5
- 2.Qxh4#
- 1...Sg5
- 2.Qa1#
- 1...Sh2!
- 1...Se1
- 1.Re7?
- 1...Se1
- 2.Qxh4#
- 1...Sg1
- 2.Qxh4#
- 1...Sd2
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Se5
- 2.Qxh4#
- 1...Sg5
- 2.Qa1#
- 1...Sh2!
- 1...Se1
- 1.Qh2?
- 1...Se1
- 2.Qxh4#
- 1...Sg1
- 2.Qxh4#
- 1...Sd2
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Se5
- 2.Qxh4#
- 1...Sg5
- 2.Qe5#
- 2.Qb8#
- 2.Qb2#
- 1...Sxh2!
- 1...Se1
- 1.Kf4?
- Keys
- 1.Qh3!
- 1...Sh2
- 2.Qxh4#
- 1...Se1
- 2.Qxh4#
- 1...Sg1
- 2.Qxh4#
- 1...Sd2
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Se5
- 2.Qxh4#
- 1...Sg5
- 2.Qc8#
- 1...Sh2
- 1.Qh3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAR(A),XB(b)
- S(a);N_GUARD::QAB(A)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- S(a);N_GUARD::QAR(A),XB(b)
- S(a);N_GUARD::QAB(A)
- Refutation
- S(a);N_SPINB(b)
- Try
- B(C);
- Vars
- S(a);N_GUARD::QAR(A),XB(b)
- S(a);N_GUARD::QAB(A)
- Refutation
- S(a);N_SPINB(b)
- Try
- B(C);
- Vars
- S(a);N_GUARD::QAR(A),XB(b)
- S(a);N_GUARD::QAB(A)
- Refutation
- S(a);N_SPINB(b)
- Try
- B(C);
- Vars
- S(a);N_GUARD::QAR(A),XB(b)
- S(a);N_GUARD::QAB(A)
- Refutation
- S(a);N_SPINB(b)
- Try
- B(C);
- Vars
- S(a);N_GUARD::QAR(A),XB(b)
- S(a);N_GUARD::QAB(A)
- Refutation
- S(a);N_SPINB(b)
- Try
- R(D);
- Vars
- S(a);N_GUARD::QAR(A),XB(b)
- S(a);N_GUARD::QAB(A)
- Refutation
- S(a);N_SPINB(b)
- Try
- R(D);
- Vars
- S(a);N_GUARD::QAR(A),XB(b)
- S(a);N_GUARD::QAB(A)
- Refutation
- S(a);N_SPINB(b)
- Try
- R(D);
- Vars
- S(a);N_GUARD::QAR(A),XB(b)
- S(a);N_GUARD::QAB(A)
- Refutation
- S(a);N_SPINB(b)
- Try
- R(D);
- Vars
- S(a);N_GUARD::QAR(A),XB(b)
- S(a);N_GUARD::QAB(A)
- Refutation
- S(a);N_SPINB(b)
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAR(A),XB(b)
- Refutation
- S(a);N_SPINB(b),XQ(A)
- Try
- Actual
- Q(A);
- Vars
- S(a);N_GUARD::QAR(A),XB(b)
- S(a);::QAR(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).