MESON Chess Problem Database
Problem Display
PID: 233252 (8/8/1qpP2B1/4R1Np/4p1kp/8/2n2Q1B/2b3KN w - - 0 1)
Muller, Dieter
Freie Presse, 1970
#2
8 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxf2+
- 2.Sxf2#
- 1...Qa5
- 2.Qe2#
- 2.Qg2#
- 2.Qf5#
- 1...Qc7
- 2.Qe2#
- 2.Qg2#
- 2.Qf5#
- 1...Qd8
- 2.Qe2#
- 2.Qg2#
- 2.Qf5#
- 1...Qb1
- 2.Qe2#
- 2.Qg2#
- 2.Qf5#
- 1...Qb2
- 2.Qe2#
- 2.Qg2#
- 2.Qf5#
- 1...Qb3
- 2.Qf5#
- 1...Qb4
- 2.Qe2#
- 2.Qg2#
- 2.Qf5#
- 1...Qb5
- 2.Qg2#
- 2.Qf5#
- 1...Qa6
- 2.Qg2#
- 2.Qf5#
- 1...Qb7
- 2.Qe2#
- 2.Qg2#
- 2.Qf5#
- 1...Qb8
- 2.Qe2#
- 2.Qg2#
- 2.Qf5#
- 1...Bxg5
- 2.Bf5#
- 1...Se3
- 2.Qe2#
- 2.Qf4#
- 1...Sd4
- 2.Qg2#
- 1...e3
- 2.Qe2#
- 2.Qg2#
- 2.Qf3#
- 2.Qf4#
- 2.Qf5#
- 1...c5
- 2.Qe2#
- 2.Qg2#
- 2.Qf5#
- 1...Qxf2+
- Tries
- 1.Be8?
- threat
- 2.Bd7#
- 1...Qxf2+
- 2.Sxf2#
- 1...Se3
- 2.Qe2#
- 2.Qf4#
- 1...Qc7
- 2.Qe2#
- 2.Qg2#
- 2.Qf5#
- 1...Qd8
- 2.Qe2#
- 2.Qg2#
- 2.Qf5#
- 1...Qb3
- 2.Qf5#
- 1...Qb7
- 2.Qe2#
- 2.Qg2#
- 2.Qf5#
- 1...Sd4
- 2.Qg2#
- 1...Qa7!
- threat
- 1.Be8?
- Keys
- 1.Bf7!
- threat
- 2.Be6#
- 1...Qxf2+
- 2.Sxf2#
- 1...Se3
- 2.Qe2#
- 2.Qf4#
- 1...Qb3
- 2.Qf5#
- 1...Sd4
- 2.Qg2#
- threat
- 1.Bf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- Q(g);CHECK,XQ(C)::S(B),XQ(g)
- Q(g);N_PINQ(C)::QAB1(C)
- B(a);SBLOCK,XS(F)::B(H)
- S(b);N_PINQ(C)::QAR2(C)
- Tries
- Try
- B(H);
- Threat
- B(H)
- Vars
- Q(g);CHECK,XQ(C)::S(B),XQ(g)
- Q(g);N_PINQ(C)::QAB1(C)
- S(b);N_PINQ(C)::QAR2(C)
- Refutation
- Q(g);
- Try
- Actual
- B(H);
- Threat
- B(H)
- Vars
- Q(g);CHECK,XQ(C)::S(B),XQ(g)
- Q(g);N_PINQ(C)::QAB1(C)
- S(b);N_PINQ(C)::QAR2(C)
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).