MESON Chess Problem Database
Problem Display
PID: 231038 (8/6p1/3Nppqb/Q7/5N2/n1P1k3/2R1P1p1/6K1 w - - 0 1)
Weinheimer, Rudolf
Deutsche Schachzeitung, 1891
#2
7 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qd3
- 2.Sxg2#
- 1...Qf5
- 2.Sxg2#
- 1...Qh5
- 2.Sxg2#
- 1...Qf7
- 2.Sxg2#
- 1...Qh7
- 2.Sxg2#
- 1...Qe8
- 2.Sxg2#
- 1...Bxf4
- 2.Qb6#
- 2.Qc5#
- 2.Qa7#
- 1...Bg5
- 2.Sxg2#
- 1...e5
- 2.Sd5#
- 1...f5
- 2.Qe5#
- 1...Qd3
- Tries
- 1.Qe5+?
- 1...Qe4
- 2.Sxg2#
- 2.Qxe4#
- 1...fxe5!
- 1...Qe4
- 1.Qe5+?
- Keys
- 1.Qf5!
- 1...Qxf5
- 2.Sxg2#
- 1...Bxf4
- 2.Qc5#
- 1...Sxc2
- 2.Sc4#
- 1...exf5
- 2.Sd5#
- 1...Qh5
- 2.Sxg2#
- 2.Qe4#
- 1...Qf7
- 2.Sxg2#
- 2.Qe4#
- 1...Qh7
- 2.Sxg2#
- 1...Qe8
- 2.Sxg2#
- 2.Qe4#
- 1...Qg3
- 2.Qe4#
- 1...Qg4
- 2.Qe4#
- 1...Qg5
- 2.Qe4#
- 1...Bg5
- 2.Sxg2#
- 1...Sb1
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sb5
- 2.Sc4#
- 1...e5
- 2.Sd5#
- 1...Qxf5
- 1.Qf5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 5
- Sets
- Q(f);N_GUARD::S(E),XP(a)
- B(g);S_CUTQ(f)::S(E),XP(a)
- P(d);N_GUARD::S(E)
- P(e);N_GUARD,S_CUTQ(f)::QAR2(F)
- Tries
- Try
- Q(F);CHECK
- Refutation
- P(e);XQ(F)
- Try
- Actual
- Q(F);
- Vars
- Q(f);N_GUARD,XQ(F)::S(E),XP(a)
- B(g);SBLOCK,XS(E)::QAB(F)
- S(b);N_GUARD,XR(B)::S(G)
- P(d);N_GUARD,XQ(F)::S(E)
- Q(f);N_GUARD::S(E),XP(a)
- Q(f);N_GUARD::QAR1(F)
- B(g);S_CUTQ(f)::S(E),XP(a)
- S(b);N_GUARD::S(G)
- S(b);N_GUARD::S(G),XS(b)
- P(d);N_GUARD::S(E)
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).