MESON Chess Problem Database
Problem Display
PID: 152942 (5N1k/4pP2/3q1pK1/6p1/8/3p4/1Q6/8 w - - 0 1)
Harley, Brian
Morning Post, 1934
(First published on Sat Sep 29 1934)
#2
4 + 6
| 15290 | Harley Scrapbook | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Qxh2#
- 1...Qa3
- 2.Qh2#
- 1...Qc5
- 2.Qh2#
- 1...Qd5
- 2.Qh2#
- 1...Qa6
- 2.Qh2#
- 1...Qb6
- 2.Qh2#
- 1...Qc6
- 2.Qh2#
- 1...Qd8
- 2.Qh2#
- 1...e5
- 2.Qh2#
- 1...e6
- 2.Qxf6#
- 1...Qh2
- Tries
- 1.Se6?
- threat
- 2.f8Q#
- 2.f8R#
- 1...Qh2
- 2.Qxh2#
- 2.f8Q#
- 2.f8R#
- 1...Qa3
- 2.Qh2#
- 2.Qb8#
- 2.f8Q#
- 2.f8R#
- 1...Qg3
- 2.f8Q#
- 2.f8R#
- 1...Qb4
- 2.f8Q#
- 2.f8R#
- 1...Qf4
- 2.f8Q#
- 2.f8R#
- 1...Qc5
- 2.Qh2#
- 2.f8Q#
- 2.f8R#
- 1...Qe5
- 2.f8Q#
- 2.f8R#
- 1...Qc7
- 2.f8Q#
- 2.f8R#
- 1...Qb8
- 2.Qxb8#
- 1...Qd4
- 2.f8Q#
- 2.f8R#
- 1...Qd5
- 2.Qh2#
- 2.f8Q#
- 2.f8R#
- 1...Qa6
- 2.Qh2#
- 2.f8Q#
- 2.f8R#
- 1...Qb6
- 2.Qh2#
- 2.f8Q#
- 2.f8R#
- 1...Qc6
- 2.Qh2#
- 2.f8Q#
- 2.f8R#
- 1...Qd7
- 2.Qh2#
- 2.f8Q#
- 2.f8R#
- 1...Qd8
- 2.Qh2#
- 1...d2
- 2.f8Q#
- 2.f8R#
- 1...g4
- 2.f8Q#
- 2.f8R#
- 1...Qxe6!
- threat
- 1.Se6?
- Keys
- 1.Sd7!
- threat
- 2.f8Q#
- 2.f8R#
- 1...Qxd7
- 2.f8Q#
- 2.f8R#
- 1...Qh2
- 2.Qxh2#
- 2.f8Q#
- 2.f8R#
- 1...Qa3
- 2.Qh2#
- 2.Qb8#
- 2.f8Q#
- 2.f8R#
- 1...Qg3
- 2.f8Q#
- 2.f8R#
- 1...Qb4
- 2.f8Q#
- 2.f8R#
- 1...Qf4
- 2.f8Q#
- 2.f8R#
- 1...Qc5
- 2.Qh2#
- 2.f8Q#
- 2.f8R#
- 1...Qe5
- 2.f8Q#
- 2.f8R#
- 1...Qc7
- 2.f8Q#
- 2.f8R#
- 1...Qb8
- 2.Qxb8#
- 1...Qd4
- 2.Qb8#
- 2.f8Q#
- 2.f8R#
- 1...Qd5
- 2.Qh2#
- 2.Qb8#
- 1...Qa6
- 2.Qh2#
- 2.f8Q#
- 2.f8R#
- 1...Qb6
- 2.Qh2#
- 2.f8Q#
- 2.f8R#
- 1...Qc6
- 2.Qh2#
- 2.f8Q#
- 2.f8R#
- 1...Qe6
- 2.Qb8#
- 1...d2
- 2.f8Q#
- 2.f8R#
- 1...g4
- 2.f8Q#
- 2.f8R#
- 1...e5
- 2.Qh2#
- 1...e6
- 2.Qxf6#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- Q(c);N_GUARD::QAR(A),XQ(c)
- Q(c);N_GUARD::QAR(A)
- P(e);N_SPINP(d),S_CUTQ(c)::QAR(A)
- P(e);N_GUARD,S_CUTQ(c)::QAB(A),XP(d)
- Tries
- Try
- S(D);
- Threat
- P=Q
- Vars
- Q(c);::P=Q
- Q(c);N_SPINP(d)::P=Q
- Q(c);N_GUARD::QAR(A),XQ(c)
- Q(c);N_GUARD::QAR(A)
- P(a);::P=Q
- P(b);::P=Q
- Refutation
- Q(c);XS(D)
- Try
- Actual
- S(D);
- Threat
- P=Q
- Vars
- Q(c);XS(D)::P=Q
- Q(c);::P=Q
- Q(c);N_SPINP(d)::P=Q
- Q(c);N_GUARD::QAR(A),XQ(c)
- Q(c);N_GUARD::QAR(A)
- P(a);::P=Q
- P(b);::P=Q
- P(e);N_SPINP(d),S_CUTQ(c)::QAR(A)
- P(e);N_GUARD,S_CUTQ(c)::QAB(A),XP(d)
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).