MESON Chess Problem Database
Problem Display
PID: 19123 (8/1pn5/1P6/p1Q5/kn5R/8/1K6/8 w - - 0 1)
Larsen, Peder Andreas
Skakbladet, 1912
#2
4 + 5
| 5454 | Near Snap | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sb5
- 2.Qc2#
- 1...Sb5
- Tries
- 1.Qd6?
- 1...Sd5
- 2.Qd7#
- 1...Sb5
- 2.Qd1#
- 1...Sa6
- 2.Qd7#
- 1...Se6
- 2.Qd7#
- 1...Sa8
- 2.Qd7#
- 1...Se8
- 2.Qd7#
- 1...Kb5!
- 1...Sd5
- 1.Qd5?
- 1...Sb5
- 2.Qb3#
- 2.Qd1#
- 1...Sa6
- 2.Qd7#
- 1...Se6
- 2.Qd7#
- 1...Sa8
- 2.Qd7#
- 1...Se8
- 2.Qd7#
- 1...Sxd5!
- 1...Sb5
- 1.Qf5?
- 1...Sd5
- 2.Qd7#
- 1...Sb5
- 2.Qc2#
- 1...Sa6
- 2.Qd7#
- 1...Sa8
- 2.Qd7#
- 1...Se8
- 2.Qd7#
- 1...Se6!
- 1...Sd5
- 1.Qc6+?
- 1...Sb5
- 2.Qc2#
- 1...bxc6!
- 1...Sb5
- 1.bxc7?
- 1...b5
- 2.Qc2#
- 1...b6!
- 1...b5
- 1.Qd6?
- Keys
- 1.Qh5!
- 1...Sd5
- 2.Qe8#
- 1...Sb5
- 2.Qd1#
- 1...Sa6
- 2.Qe8#
- 1...Se6
- 2.Qe8#
- 1...Sa8
- 2.Qe8#
- 1...Se8
- 2.Qxe8#
- 1...Sd5
- 1.Qh5!
Anticipated by 2803(0000)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- S(e);SBLOCK::QAB(C)
- Tries
- Try
- Q(C);
- Vars
- S(e);N_GUARD::QAB(C)
- S(e);SBLOCK::QAB(C)
- Refutation
- K(a);N_SPINS(b),S_FLIGHT
- Try
- Q(C);
- Vars
- S(e);N_GUARD::QAB(C)
- Refutation
- S(e);XQ(C)
- Try
- Q(C);
- Vars
- S(e);N_GUARD::QAB(C)
- S(e);SBLOCK::QAB(C)
- Refutation
- S(e);
- Try
- Q(C);CHECK
- Vars
- S(e);SBLOCK::QAB(C)
- Refutation
- P(d);XQ(C)
- Try
- P(D);XS(e)
- Vars
- P(d);SBLOCK::QAB(C)
- Refutation
- P(d);
- Try
- Actual
- Q(C);
- Vars
- S(e);N_GUARD::QAB(C)
- S(e);SBLOCK::QAB(C)
- S(e);N_GUARD::QAB(C),XS(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).