MESON Chess Problem Database
Problem Display
PID: 147058 (1B6/8/8/b4p2/2B1k3/5p1K/2N1p3/7Q w - - 0 1)
Lincoln, Robert A
Australian Chess Problem Magazine, 1995
#2
5 + 5
SOLUTION
- SOUND
- Tries
- 1.Qc1?
- threat
- 2.Qe3#
- 2.Qf4#
- 1...Bc7
- 2.Qe3#
- 1...f4
- 2.Qxf4#
- 1...e1Q
- 2.Qf4#
- 1...e1R
- 2.Qf4#
- 1...Bb6
- 2.Qf4#
- 1...Bd2!
- threat
- 1.Qg1?
- threat
- 2.Qe3#
- 2.Qd4#
- 1...f2
- 2.Qh1#
- 2.Qg2#
- 1...f4
- 2.Qg6#
- 1...e1Q
- 2.Qd4#
- 1...e1R
- 2.Qd4#
- 1...Bd2
- 2.Qd4#
- 1...Bc3
- 2.Qe3#
- 1...Bb6!
- threat
- 1.Qh2?
- threat
- 2.Qf4#
- 2.Qe5#
- 1...f2
- 2.Qf4#
- 2.Qh1#
- 2.Qg2#
- 1...f4
- 2.Qxf4#
- 1...Bd2
- 2.Qe5#
- 1...Bc3
- 2.Qf4#
- 1...Bc7!
- threat
- 1.Qc1?
- Keys
- 1.Qa1!
- threat
- 2.Qd4#
- 2.Qe5#
- 1...Bc7
- 2.Qd4#
- 1...f2
- 2.Qh1#
- 1...f4
- 2.Qe5#
- 1...Bc3
- 2.Qa8#
- 1...Bb6
- 2.Qe5#
- 2.Qa8#
- threat
- 1.Qa1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(A);N_PINP(b)
- Threat
- DUALS(2)
- Vars
- B(d);::QAR1(A)
- P(e);::QAR1(A),XP(e)
- P(a);::QAR1(A)
- Refutation
- B(d);
- Try
- Q(A);N_PINP(b)
- Threat
- DUALS(2)
- Vars
- P(e);OGATEB::QAB(A)
- P(a);::QAR1(A)
- B(d);::QAR1(A)
- Refutation
- B(d);
- Try
- Q(A);N_PINP(b)
- Threat
- DUALS(2)
- Vars
- P(e);::QAR1(A),XP(e)
- B(d);::QAR1(A)
- Refutation
- B(d);
- Try
- Actual
- Q(A);N_PINP(b)
- Threat
- DUALS(2)
- Vars
- B(d);::QAR1(A)
- P(b);OGATEB::QAB(A)
- P(e);::QAR1(A)
- B(d);OGATE::QAB(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).