MESON Chess Problem Database
Problem Display
PID: 175266 (3R4/4p1K1/4N3/1B1np3/4k1P1/1Rq5/4P3/4nN2 w - - 0 1)
Berlin, Dieter
Deutsche Schachzeitung, 1981
#2
8 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Sd2#
- 2.Sg3#
- 1...Qb2
- 2.Sg3#
- 1...Qd2
- 2.Sxd2#
- 2.Sg3#
- 1...Qb4
- 2.Sg3#
- 1...Qd4
- 2.Sg3#
- 1...Qa5
- 2.Sg3#
- 1...Qc1
- 2.Sg3#
- 1...Qc2
- 2.Sg3#
- 1...Qf3
- 2.Sd2#
- 1...Qg3
- 2.Sd2#
- 2.Sxg3#
- 1...Qh3
- 2.Sd2#
- 1...Qc4
- 2.Sd2#
- 2.Sg3#
- 1...Qc5
- 2.Sd2#
- 2.Sg3#
- 1...Qc6
- 2.Sd2#
- 2.Sg3#
- 1...Qc7
- 2.Sd2#
- 2.Sg3#
- 1...Qc8
- 2.Sd2#
- 2.Sg3#
- 1...Se3
- 2.Sg3#
- 1...Sf4
- 2.Sg5#
- 1...Qa1
- Tries
- 1.Rxc3?
- threat
- 2.Sd2#
- 2.Sg3#
- 2.Rc4#
- 1...Sc2
- 2.Sd2#
- 2.Sg3#
- 2.Bd3#
- 1...Sd3
- 2.Bxd3#
- 2.Rc4#
- 1...Sf3
- 2.Sg3#
- 2.Bd3#
- 2.exf3#
- 1...Se3
- 2.Sd2#
- 2.Sg3#
- 2.Rxe3#
- 1...Sb6
- 2.Sd2#
- 2.Sg3#
- 2.Re3#
- 1...Sxc3!
- threat
- 1.Rxc3?
- Keys
- 1.Be8!
- threat
- 2.Bg6#
- 1...Qf3
- 2.Sd2#
- 1...Se3
- 2.Sg3#
- 1...Sf4
- 2.Sg5#
- threat
- 1.Be8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- Q(b);N_GUARD::S(A)
- S(d);SBLOCK,S_CUTQ(b)::S(A)
- S(d);SBLOCK::S(F)
- Tries
- Try
- R(C);XQ(b)
- Threat
- DUALS(3)
- Refutation
- S(d);XR(C)
- Try
- Actual
- B(E);
- Threat
- B(E)
- Vars
- Q(b);N_GUARD::S(A)
- S(d);SBLOCK,S_CUTQ(b)::S(A)
- S(d);SBLOCK::S(F)
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).