MESON Chess Problem Database
Problem Display
PID: 226820 (5r2/5pQ1/6p1/3B1k1N/5P2/2q3pK/6P1/8 w - - 0 1)
Beszczynski, Jan
Il Due Mosse, 1954
#2
6 + 6
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Qf6#
- 1...Qd2
- 2.Qe5#
- 2.Qf6#
- 1...Qb4
- 2.Qe5#
- 2.Qf6#
- 1...Qa5
- 2.Qe5#
- 2.Qf6#
- 1...Qe5
- 2.Qxe5#
- 1...Qf6
- 2.Qxf6#
- 1...Qc1
- 2.Qe5#
- 2.Qf6#
- 1...Qc2
- 2.Qe5#
- 2.Qf6#
- 1...Qa3
- 2.Qe5#
- 2.Qf6#
- 1...Qb3
- 2.Qe5#
- 2.Qf6#
- 1...Qd3
- 2.Qe5#
- 2.Qf6#
- 1...Qe3
- 2.Qf6#
- 1...Qf3
- 2.Qe5#
- 2.Qf6#
- 1...Qc4
- 2.Qe5#
- 2.Qf6#
- 1...Qc5
- 2.Qe5#
- 2.Qf6#
- 1...Qc6
- 2.Qe5#
- 1...Qc7
- 2.Qf6#
- 1...Qc8
- 2.Qe5#
- 2.Qf6#
- 1...gxh5
- 2.Qg5#
- 1...g5
- 2.Qxg5#
- 2.Qh7#
- 1...f6
- 2.Qd7#
- 1...Qe1
- Tries
- 1.Qxc3?
- threat
- 2.Qe5#
- 2.Qf6#
- 2.Qc2#
- 2.Qd3#
- 1...g5
- 2.Qf6#
- 2.Qc2#
- 2.Qd3#
- 1...Rc8
- 2.Qe5#
- 2.Qf6#
- 2.Qd3#
- 2.Qxc8#
- 1...Re8
- 2.Qf6#
- 1...f6
- 2.Qc2#
- 2.Qd3#
- 1...gxh5!
- threat
- 1.Qxc3?
- Keys
- 1.Qh6!
- threat
- 2.Qg5#
- 1...Qf6
- 2.Sxg3#
- 1...g5
- 2.Qxg5#
- 2.Qh7#
- 1...f6
- 2.Sg7#
- threat
- 1.Qh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- Q(a);N_GUARD::QAR1(F)
- Q(a);N_GUARD::QAR1(F),XQ(a)
- P(d);OGATE,XS(E)::QAR1(F)
- P(e);OGATE::QAB(F)
- Tries
- Try
- Q(F);XQ(a)
- Threat
- DUALS(4)
- Vars
- R(f);::QAR1(F)
- Refutation
- P(d);XS(E)
- Try
- Actual
- Q(F);
- Threat
- QAR1(F)
- Vars
- Q(a);N_GUARD,SBLOCK::S(E),XP(b)
- P(e);SBLOCK,S_CUTQ(a)::S(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).