MESON Chess Problem Database
Problem Display
PID: 122483 (6Q1/2n5/8/1R1Bp1N1/np1k2p1/8/3K4/8 w - - 0 1)
Wurzburg, Otto
Checkmate, 1901
#2
5 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sc5
- 2.Rxb4#
- 1...Sxd5
- 2.Qxd5#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sa8
- 2.Se6#
- 1...Se8
- 2.Se6#
- 1...g3
- 2.Sf3#
- 1...e4
- 2.Qg7#
- 2.Qh8#
- 1...Sc5
- Tries
- 1.Qf7?
- threat
- 2.Qf2#
- 1...Sxd5
- 2.Qxd5#
- 1...e4
- 2.Qf6#
- 2.Qg7#
- 1...Sc5
- 2.Rxb4#
- 1...g3
- 2.Sf3#
- 1...Sxb5!
- threat
- 1.Qf7?
- Keys
- 1.Qa8!
- 1...Sxb5
- 2.Se6#
- 1...Sxd5
- 2.Qxd5#
- 1...Sxa8
- 2.Se6#
- 1...e4
- 2.Qh8#
- 1...Sb2
- 2.Qa7#
- 1...Sc3
- 2.Qa7#
- 1...Sc5
- 2.Rxb4#
- 1...Sb6
- 2.Qa1#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Se8
- 2.Se6#
- 1...b3
- 2.Qxa4#
- 1...g3
- 2.Sf3#
- 1...Sxb5
- 1.Qa8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- S(a);SBLOCK::R(B),XP(b)
- S(f);OGATE,XB(C)::QAR1(E),XS(f)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- P(d);N_GUARD::S(D)
- Tries
- Try
- Q(E);
- Threat
- QAB(E)
- Vars
- S(f);OGATE,XB(C)::QAR1(E),XS(f)
- S(a);SBLOCK::R(B),XP(b)
- P(d);N_GUARD::S(D)
- Refutation
- S(f);XR(B)
- Try
- Actual
- Q(E);
- Vars
- S(f);N_GUARD,XR(B)::S(D)
- S(f);OGATE,XB(C)::QAR1(E),XS(f)
- S(f);N_GUARD,XQ(E)::S(D)
- P(e);OGATEB::QAB(E)
- S(a);N_GUARD::QAB(E)
- S(a);SBLOCK::R(B),XP(b)
- S(a);OGATE::QAB(E)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- P(b);OGATEB::QAR(E),XS(a)
- P(d);N_GUARD::S(D)
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).