MESON Chess Problem Database
Problem Display
PID: 239964 (1b5R/1r4pK/3n1pp1/2Q3p1/6Bk/4p3/q1b1N2N/8 w - - 0 1)
Kipping, Cyril Stanley
Parallele 50, 1948
#2
6 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Kg8#
- 1...Qg8+
- 2.Kxg8#
- 1...Qa1
- 2.Kg8#
- 1...Qb2
- 2.Kg8#
- 1...Qa3
- 2.Kg8#
- 1...Qa4
- 2.Kg8#
- 1...Qa5
- 2.Kg8#
- 1...Qa6
- 2.Kg8#
- 1...Qa7
- 2.Kg8#
- 1...Qa8
- 2.Kg8#
- 1...Rb1
- 2.Kxg7#
- 1...Rb2
- 2.Kxg7#
- 1...Rb3
- 2.Kxg7#
- 2.Kg8#
- 1...Rb4
- 2.Kxg7#
- 1...Rb5
- 2.Kxg7#
- 1...Rb6
- 2.Kxg7#
- 1...Rf7
- 2.Kg8#
- 1...Bd1
- 2.Kxg6#
- 1...Bb3
- 2.Kxg6#
- 1...Ba4
- 2.Kxg6#
- 1...Bc7
- 2.Kxg7#
- 1...Sc4
- 2.Kg8#
- 1...Se4
- 2.Kxg6#
- 1...f5
- 2.Kxg6#
- 1...Qb1
- Tries
- 1.Qxe3?
- threat
- 2.Qf2#
- 2.Qg3#
- 2.Qh3#
- 1...Qg8+
- 2.Kxg8#
- 1...Qa3
- 2.Kg8#
- 1...Qa7
- 2.Kg8#
- 2.Qg3#
- 2.Qh3#
- 1...Rb3
- 2.Kxg7#
- 2.Kg8#
- 1...Ba7
- 2.Qg3#
- 2.Qh3#
- 1...Sc4
- 2.Kg8#
- 2.Qh3#
- 1...Se4
- 2.Kxg6#
- 2.Qh3#
- 1...Sb5
- 2.Qh3#
- 1...Sf5
- 2.Qh3#
- 1...Sf7
- 2.Qh3#
- 1...Sc8
- 2.Qh3#
- 1...Se8
- 2.Qh3#
- 1...Qb3!
- threat
- 1.Qc4?
- threat
- 2.Kg8#
- 2.Sf3#
- 1...Sxc4
- 2.Kg8#
- 1...Be4
- 2.Kg8#
- 1...Se4
- 2.Kxg6#
- 2.Kg8#
- 1...Sf5
- 2.Sf3#
- 1...Sf7
- 2.Sf3#
- 1...Qxc4!
- threat
- 1.Qxe3?
- Keys
- 1.Qb4!
- threat
- 2.Sf3#
- 2.Qe1#
- 1...Qg8+
- 2.Kxg8#
- 1...Rxb4
- 2.Kxg7#
- 1...Qb1
- 2.Kg8#
- 2.Sf3#
- 1...Qc4
- 2.Qe1#
- 1...Qd5
- 2.Qe1#
- 1...Qa1
- 2.Kg8#
- 2.Sf3#
- 1...Qa5
- 2.Kg8#
- 2.Sf3#
- 1...Be4
- 2.Qe1#
- 1...Sc4
- 2.Kg8#
- 1...Se4
- 2.Kxg6#
- 1...Sb5
- 2.Sf3#
- 1...Sf5
- 2.Sf3#
- 1...Sf7
- 2.Sf3#
- 1...Sc8
- 2.Sf3#
- 1...Se8
- 2.Sf3#
- threat
- 1.Qb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 19
- Sets
- Q(a);::R(F)+K(E)
- Q(a);CHECK::R(F)+K(E),XQ(a)
- Q(a);SBLOCK::R(F)+K(E)
- R(i);::R(F)+K(E),XP(j)
- R(i);::R(F)+K(E)
- B(b);::R(F)+K(E),XP(h)
- B(b);SBLOCK::R(F)+K(E),XP(h)
- B(k);::R(F)+K(E),XP(j)
- S(f);::R(F)+K(E)
- S(f);::R(F)+K(E),XP(h)
- P(g);::R(F)+K(E),XP(h)
- Tries
- Try
- Q(D);XP(c)
- Threat
- DUALS(3)
- Vars
- Q(a);CHECK::R(F)+K(E),XQ(a)
- Q(a);::R(F)+K(E)
- S(f);::QAR1(D)
- Refutation
- Q(a);
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- S(f);XQ(D)::R(F)+K(E)
- B(b);::R(F)+K(E)
- S(f);::S(B)
- Refutation
- Q(a);XQ(D)
- Try
- Actual
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK::R(F)+K(E),XQ(a)
- R(i);XQ(D)::R(F)+K(E),XP(j)
- Q(a);::QAB(D)
- B(b);::QAB(D)
- S(f);::R(F)+K(E)
- S(f);::R(F)+K(E),XP(h)
- S(f);::S(B)
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).