MESON Chess Problem Database
Problem Display
PID: 235654 (5b2/3pp3/1K1p4/pPpk1P1Q/6N1/qn1P1n2/4N3/5r2 w - - 0 1)
Hannelius, Jan Ingvar
Mat, 1975
#2
7 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sbd4
- 2.Sf4#
- 1...Sfd4
- 2.Sc3#
- 1...Se5
- 2.Se3#
- 1...e5
- 2.Se3#
- 2.Sf6#
- 2.Qf7#
- 1...Sbd4
- Tries
- 1.Qh8?
- threat
- 2.Sc3#
- 2.Sf4#
- 2.Se3#
- 1...Qb2
- 2.Sf4#
- 2.Se3#
- 1...Qb4
- 2.Se3#
- 1...Qa1
- 2.Sf4#
- 2.Se3#
- 1...Qa4
- 2.Sc3#
- 2.Se3#
- 1...Rc1
- 2.Sf4#
- 2.Se3#
- 1...Bh6
- 2.Sc3#
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sa1
- 2.Sf4#
- 2.Se3#
- 1...Sc1
- 2.Sf4#
- 2.Se3#
- 1...Sbd2
- 2.Sf4#
- 2.Se3#
- 1...Sbd4
- 2.Sf4#
- 2.Se3#
- 1...Se1
- 2.Sc3#
- 2.Se3#
- 1...Sg1
- 2.Sc3#
- 2.Se3#
- 1...Sfd2
- 2.Sc3#
- 2.Se3#
- 1...Sh2
- 2.Sc3#
- 2.Se3#
- 1...Sfd4
- 2.Sc3#
- 2.Se3#
- 1...Sh4
- 2.Sc3#
- 2.Se3#
- 1...Se5
- 2.Se3#
- 1...Sg5
- 2.Sc3#
- 2.Se3#
- 1...e5
- 2.Se3#
- 2.Sf6#
- 2.Qg8#
- 1...Qc1!
- threat
- 1.Qh8?
- Keys
- 1.Qe8!
- threat
- 2.Qa8#
- 1...Sbd4
- 2.Sf4#
- 1...Sfd4
- 2.Sc3#
- 1...Se5
- 2.Se3#
- threat
- 1.Qe8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(c);SBLOCK::S(A)
- S(d);SBLOCK::S(A)
- S(d);SBLOCK::S(C)
- Tries
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- Q(b);P_PINP(D)::S(C)
- B(k);OGATE::QAB(F)
- S(d);::S(C)
- Refutation
- Q(b);
- Try
- Actual
- Q(F);
- Threat
- QAB(F)
- Vars
- S(c);SBLOCK::S(A)
- S(d);SBLOCK::S(A)
- S(d);SBLOCK::S(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).