MESON Chess Problem Database
Problem Display
PID: 234648 (8/8/8/4N3/8/5N2/1PR5/1K1kq3 w - - 0 1)
Lincoln, Robert A
Kudesnik, 2006
#2
5 + 2
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qd2
- 2.Rxd2#
- 1...Qg3
- 2.Rd2#
- 1...Qh4
- 2.Rd2#
- 1...Qf1
- 2.Rd2#
- 1...Qg1
- 2.Rd2#
- 1...Qh1
- 2.Rd2#
- 1...Qe2
- 2.Rc1#
- 1...Qxe5
- 2.Rd2#
- 1...Qd2
- Tries
- 1.Sd3?
- 1...Qd2
- 2.Rxd2#
- 1...Qf2
- 2.Sxf2#
- 1...Qc3
- 2.Sf2#
- 1...Qg3
- 2.Rd2#
- 1...Qb4
- 2.Sf2#
- 1...Qh4
- 2.Rd2#
- 1...Qa5
- 2.Sf2#
- 1...Qf1
- 2.Rd2#
- 1...Qg1
- 2.Rd2#
- 1...Qh1
- 2.Sf2#
- 2.Rd2#
- 1...Qe2
- 2.Rc1#
- 1...Qe4
- 2.Sf2#
- 2.Rd2#
- 1...Qe5
- 2.Sf2#
- 2.Rd2#
- 1...Qe6
- 2.Sf2#
- 2.Rd2#
- 1...Qe7
- 2.Sf2#
- 2.Rd2#
- 1...Qe8
- 2.Sf2#
- 2.Rd2#
- 1...Qe3!
- 1...Qd2
- 1.Sd3?
- Keys
- 1.Sg4!
- 1...Qd2
- 2.Rxd2#
- 1...Qf2
- 2.Sxf2#
- 1...Qc3
- 2.Sf2#
- 1...Qg3
- 2.Se3#
- 2.Rd2#
- 1...Qb4
- 2.Sf2#
- 2.Se3#
- 1...Qh4
- 2.Se3#
- 2.Rd2#
- 1...Qa5
- 2.Sf2#
- 2.Se3#
- 1...Qf1
- 2.Se3#
- 2.Rd2#
- 1...Qg1
- 2.Rd2#
- 1...Qh1
- 2.Sf2#
- 2.Se3#
- 2.Rd2#
- 1...Qe2
- 2.Rc1#
- 1...Qe3
- 2.Sxe3#
- 1...Qe4
- 2.Sf2#
- 1...Qe5
- 2.Sf2#
- 2.Rd2#
- 1...Qe6
- 2.Sf2#
- 2.Rd2#
- 1...Qe7
- 2.Sf2#
- 2.Rd2#
- 1...Qe8
- 2.Sf2#
- 2.Rd2#
- 1...Qd2
- 1.Sg4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- Q(b);N_GUARD::R1(C),XQ(b)
- Q(b);N_GUARD::R1(C)
- Q(b);SBLOCK::R1(C)
- Q(b);N_GUARD,XS(E)::R1(C)
- Tries
- Try
- S(E);
- Vars
- Q(b);N_GUARD::R1(C),XQ(b)
- Q(b);N_GUARD::S(E),XQ(b)
- Q(b);N_GUARD::S(E)
- Q(b);N_GUARD::R1(C)
- Q(b);N_GUARD,P_PINP(B)::S(E)
- Q(b);SBLOCK::R1(C)
- Refutation
- Q(b);
- Try
- Actual
- S(E);
- Vars
- Q(b);N_GUARD::R1(C),XQ(b)
- Q(b);N_GUARD::S(E),XQ(b)
- Q(b);N_GUARD::S(E)
- Q(b);N_GUARD::R1(C)
- Q(b);SBLOCK::R1(C)
- Q(b);N_GUARD,P_PINR(C)::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).