MESON Chess Problem Database
Problem Display
PID: 161981 (1K1Q4/1pp5/8/2P1kp2/2BNp3/5pP1/7q/8 w - - 0 1)
Dujardin, Paul
Scacchi e Scienze Applicate, 1993
#2
6 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Qh8#
- 1...Qa2
- 2.Qh8#
- 1...Qb2
- 2.Qh8#
- 1...Qc2
- 2.Qh8#
- 1...Qd2
- 2.Qh8#
- 1...Qe2
- 2.Qh8#
- 1...Qf2
- 2.Qh8#
- 1...Qg2
- 2.Qh8#
- 1...Qh8
- 2.Qxh8#
- 1...b5
- 2.Sc6#
- 1...b6
- 2.Sc6#
- 1...c6
- 2.Qd6#
- 1...Qg1
- Tries
- 1.Sc2?
- threat
- 2.Qe7#
- 2.Qd4#
- 1...Qxc2
- 2.Qh8#
- 1...f4
- 2.Qg5#
- 1...Qg1
- 2.Qe7#
- 2.Qh8#
- 1...Qd2
- 2.Qe7#
- 2.Qh8#
- 1...Qf2
- 2.Qe7#
- 2.Qh8#
- 1...Qh4
- 2.Qd4#
- 1...Qh6
- 2.Qd4#
- 1...Qh7
- 2.Qd4#
- 1...Qh8
- 2.Qxh8#
- 1...Qxg3!
- threat
- 1.Se2?
- threat
- 2.Qe7#
- 2.Qd4#
- 1...Qxe2
- 2.Qh8#
- 1...f4
- 2.Qg5#
- 1...Qg1
- 2.Qe7#
- 2.Qh8#
- 1...Qf2
- 2.Qe7#
- 2.Qh8#
- 1...Qh4
- 2.Qd4#
- 1...Qh6
- 2.Qd4#
- 1...Qh7
- 2.Qd4#
- 1...Qh8
- 2.Qxh8#
- 1...fxe2!
- threat
- 1.Sb3?
- threat
- 2.Qe7#
- 2.Qd4#
- 1...f4
- 2.Qg5#
- 1...Qg1
- 2.Qe7#
- 2.Qh8#
- 1...Qb2
- 2.Qe7#
- 2.Qh8#
- 1...Qd2
- 2.Qe7#
- 2.Qh8#
- 1...Qf2
- 2.Qe7#
- 2.Qh8#
- 1...Qh4
- 2.Qd4#
- 1...Qh6
- 2.Qd4#
- 1...Qh7
- 2.Qd4#
- 1...Qh8
- 2.Qxh8#
- 1...Qxg3!
- threat
- 1.Sb5?
- threat
- 2.Qe7#
- 2.Qd4#
- 1...f4
- 2.Qg5#
- 1...Qg1
- 2.Qe7#
- 2.Qh8#
- 1...Qb2
- 2.Qe7#
- 2.Qh8#
- 1...Qd2
- 2.Qe7#
- 2.Qh8#
- 1...Qf2
- 2.Qe7#
- 2.Qh8#
- 1...Qh4
- 2.Qd4#
- 1...Qh6
- 2.Qd4#
- 1...Qh7
- 2.Qd4#
- 1...Qh8
- 2.Qxh8#
- 1...Qxg3!
- threat
- 1.Sc2?
- Keys
- 1.Se6!
- threat
- 2.Qd4#
- 1...f4
- 2.Qg5#
- 1...Qg1
- 2.Qh8#
- 1...Qb2
- 2.Qh8#
- 1...Qd2
- 2.Qh8#
- 1...Qf2
- 2.Qh8#
- 1...Qh8
- 2.Qxh8#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- Q(a);N_GUARD::QAB(F)
- Q(a);N_GUARD,P_PINQ(F)::QAB(F),XQ(a)
- P(f);N_GUARD::S(C)
- P(g);N_GUARD::QAB1(F)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XS(C)::QAB(F)
- P(e);OGATEB::QAR2(F)
- Q(a);::QAB1(F)
- Q(a);N_GUARD,P_PINQ(F)::QAB(F),XQ(a)
- Refutation
- Q(a);XP(A)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XS(C)::QAB(F)
- P(e);OGATEB::QAR2(F)
- Q(a);::QAB1(F)
- Q(a);N_GUARD,P_PINQ(F)::QAB(F),XQ(a)
- Refutation
- P(b);XS(C)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- P(e);OGATEB::QAR2(F)
- Q(a);::QAB1(F)
- Q(a);N_GUARD,P_PINQ(F)::QAB(F),XQ(a)
- Refutation
- Q(a);XP(A)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- P(e);OGATEB::QAR2(F)
- Q(a);::QAB1(F)
- Q(a);N_GUARD,P_PINQ(F)::QAB(F),XQ(a)
- Refutation
- Q(a);XP(A)
- Try
- Actual
- S(C);
- Threat
- QAB1(F)
- Vars
- P(e);OGATEB::QAR2(F)
- Q(a);N_GUARD::QAB(F)
- Q(a);N_GUARD,P_PINQ(F)::QAB(F),XQ(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).