MESON Chess Problem Database
Problem Display
PID: 240312 (4R1K1/8/1P1pP1Q1/1Ppk1NPR/2N1p3/1P2q3/B7/8 w - - 0 1)
Maleika, Gerhard
Problem-Forum, 2004
#2
12 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qd4
- 2.Se7#
- 1...Qd4
- Tries
- 1.Qf7?
- threat
- 2.Qb7#
- 2.e7#
- 1...Qxb3
- 2.e7#
- 1...Qxg5+!
- threat
- 1.Qf6?
- threat
- 2.Scxe3#
- 2.Sfxe3#
- 2.Se7#
- 1...Qxb3
- 2.Sce3#
- 1...Qc1
- 2.Se7#
- 1...Qg1
- 2.Se7#
- 1...Qd2
- 2.Se7#
- 1...Qf2
- 2.Se7#
- 1...Qd4
- 2.Se7#
- 1...Qf4
- 2.Se7#
- 1...Qe1
- 2.Se7#
- 1...Qe2
- 2.Se7#
- 1...Qc3
- 2.Se7#
- 1...Qd3
- 2.Se7#
- 1...Qf3
- 2.Se7#
- 1...Qg3
- 2.Se7#
- 1...Qh3
- 2.Se7#
- 1...Qxg5+!
- threat
- 1.e7?
- threat
- 2.Qf7#
- 2.Qxd6#
- 1...Qxb3
- 2.Qf7#
- 1...Qf4
- 2.Qf7#
- 1...Qg3
- 2.Qf7#
- 1...Qxg5!
- threat
- 1.Qf7?
- Keys
- 1.Qg7!
- threat
- 2.Scxe3#
- 2.Sfxe3#
- 2.Qb7#
- 1...Qxg5
- 2.Sfe3#
- 1...Qxb3
- 2.Sce3#
- 1...Qc1
- 2.Qb7#
- 1...Qg1
- 2.Qb7#
- 1...Qd2
- 2.Qb7#
- 1...Qf2
- 2.Qb7#
- 1...Qd4
- 2.Qb7#
- 1...Qf4
- 2.Qb7#
- 1...Qe1
- 2.Qb7#
- 1...Qe2
- 2.Qb7#
- 1...Qc3
- 2.Qb7#
- 1...Qd3
- 2.Qb7#
- 1...Qf3
- 2.Qb7#
- 1...Qg3
- 2.Qb7#
- 1...Qh3
- 2.Qb7#
- threat
- 1.Qg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 14
- REMOVED MATES = 0
- Sets
- Q(a);SBLOCK::S(E)
- Tries
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(B)::QAB(J)+P(I)
- Refutation
- Q(a);CHECK,XP(F)
- Try
- Q(J);
- Threat
- DUALS(3)
- Vars
- Q(a);XP(B)::S(C)
- Q(a);::S(E)
- Q(a);P_PINP(F)::S(E)
- Refutation
- Q(a);CHECK,XP(F)
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(B)::QAB(J)
- Q(a);::QAB(J)
- Refutation
- Q(a);P_PINQ(J),XP(F)
- Try
- Actual
- Q(J);
- Threat
- DUALS(3)
- Vars
- Q(a);P_PINQ(J),XP(F)::S(E)
- Q(a);XP(B)::S(C)
- Q(a);::QAB(J)
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).