MESON Chess Problem Database
Problem Display
PID: 24562 (5RQ1/4p2p/4B1r1/8/3N1p1p/2n3k1/6pN/6K1 w - - 0 1)
Wurzburg, Otto
Atlanta Journal, 1939
#2
6 + 8
| 5088 | How to Solve Chess Problems | 1945 |
| 5064 | 100 Years of the American Two-move Chess Problem | 1962 |
| 5063 | Spectacular Chess Problems | 1965 |
| 5065 | Chess Problem Gems by Eight Eminent American Composers | 1972 |
| 3325 | Wurzburg Artistry | 1974 |
| 5398 | My Chess Compositions | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Rg4
- 2.Qxg4#
- 1...Rg5
- 2.Qxg5#
- 1...Rg7
- 2.Qxg7#
- 1...Rxg8
- 2.Rxg8#
- 1...Sb1
- 2.Se2#
- 1...Sd1
- 2.Se2#
- 1...Sa2
- 2.Se2#
- 1...Se2+
- 2.Sxe2#
- 1...Sa4
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...f3
- 2.Rxf3#
- 1...h3
- 2.Sf5#
- 1...h5
- 2.Qxg6#
- 1...h6
- 2.Qxg6#
- 1...Rg4
- Tries
- 1.Rf7?
- 1...Se2+
- 2.Sxe2#
- 1...Rg4
- 2.Qxg4#
- 1...h3
- 2.Sf5#
- 1...Sb1
- 2.Se2#
- 1...Rg5
- 2.Qxg5#
- 1...Rg7
- 2.Rxg7#
- 2.Qxg7#
- 1...Sd1
- 2.Se2#
- 1...Sa2
- 2.Se2#
- 1...Sa4
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...f3
- 2.Rxf3#
- 2.Qb8#
- 1...h5
- 2.Qxg6#
- 1...h6
- 2.Qxg6#
- 1...Rxg8!
- 1...Se2+
- 1.Rb8?
- 1...Se2+
- 2.Sxe2#
- 1...Rxg8
- 2.Rxg8#
- 1...Rg4
- 2.Qxg4#
- 1...h3
- 2.Sf5#
- 1...Sb1
- 2.Se2#
- 1...Rg5
- 2.Qxg5#
- 1...Rg7
- 2.Qxg7#
- 1...Sd1
- 2.Se2#
- 1...Sa2
- 2.Se2#
- 1...Sa4
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...h5
- 2.Qxg6#
- 1...h6
- 2.Qxg6#
- 1...f3!
- 1...Se2+
- 1.Rc8?
- 1...Se2+
- 2.Sxe2#
- 1...Rxg8
- 2.Rxg8#
- 1...Rg4
- 2.Qxg4#
- 1...h3
- 2.Sf5#
- 1...Sb1
- 2.Se2#
- 1...Rg5
- 2.Qxg5#
- 1...Rg7
- 2.Qxg7#
- 1...Sd1
- 2.Se2#
- 1...Sa2
- 2.Se2#
- 1...Sa4
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...h5
- 2.Qxg6#
- 1...h6
- 2.Qxg6#
- 1...f3!
- 1...Se2+
- 1.Rd8?
- 1...Se2+
- 2.Sxe2#
- 1...Rxg8
- 2.Rxg8#
- 1...Rg4
- 2.Qxg4#
- 1...h3
- 2.Sf5#
- 1...Sb1
- 2.Se2#
- 1...Rg5
- 2.Qxg5#
- 1...Rg7
- 2.Qxg7#
- 1...Sd1
- 2.Se2#
- 1...Sa2
- 2.Se2#
- 1...Sa4
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...h5
- 2.Qxg6#
- 1...h6
- 2.Qxg6#
- 1...f3!
- 1...Se2+
- 1.Re8?
- 1...Se2+
- 2.Sxe2#
- 1...Rxg8
- 2.Rxg8#
- 1...Rg4
- 2.Qxg4#
- 1...h3
- 2.Sf5#
- 1...Sb1
- 2.Se2#
- 1...Rg5
- 2.Qxg5#
- 1...Rg7
- 2.Qxg7#
- 1...Sd1
- 2.Se2#
- 1...Sa2
- 2.Se2#
- 1...Sa4
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...h5
- 2.Qxg6#
- 1...h6
- 2.Qxg6#
- 1...f3!
- 1...Se2+
- 1.Qg7?
- 1...Se2+
- 2.Sxe2#
- 1...Rg4
- 2.Qxg4#
- 1...h3
- 2.Sf5#
- 1...Sb1
- 2.Se2#
- 1...Rg5
- 2.Qxg5#
- 1...Sd1
- 2.Se2#
- 1...Sa2
- 2.Se2#
- 1...Sa4
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...f3
- 2.Rxf3#
- 2.Qe5#
- 1...h5
- 2.Qxg6#
- 1...h6
- 2.Qxg6#
- 1...Rxg7!
- 1...Se2+
- 1.Rf7?
- Keys
- 1.Ra8!
- 1...Se2+
- 2.Sxe2#
- 1...Rxg8
- 2.Rxg8#
- 1...Rg4
- 2.Qxg4#
- 1...f3
- 2.Qb8#
- 1...h3
- 2.Sf5#
- 1...Sb1
- 2.Se2#
- 1...Rg5
- 2.Qxg5#
- 1...Rg7
- 2.Qxg7#
- 1...Sd1
- 2.Se2#
- 1...Sa2
- 2.Se2#
- 1...Sa4
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...h5
- 2.Qxg6#
- 1...h6
- 2.Qxg6#
- 1...Se2+
- 1.Ra8!
There are these afters: 45741
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(f);OGATE::QAR1(F),XR(f)
- R(f);OGATE::QAR2(F),XR(f)
- R(f);OGATEB::QAR(F),XR(f)
- R(f);N_SPINR(f),OGATE,XQ(F)::R(E),XR(f)
- S(b);N_GUARD::S(C)
- S(b);CHECK,N_GUARD::S(C),XS(b)
- P(d);OGATE::R1(E),XP(d)
- P(e);SBLOCK::S(C)
- P(h);N_GUARD::QAR(F),XR(f)
- Tries
- Try
- R(E);
- Vars
- S(b);CHECK,N_GUARD::S(C),XS(b)
- R(f);OGATE::QAR1(F),XR(f)
- P(e);SBLOCK::S(C)
- S(b);N_GUARD::S(C)
- R(f);OGATE::QAR2(F),XR(f)
- P(h);N_GUARD::QAR(F),XR(f)
- Refutation
- R(f);N_SPINR(f),XQ(F)
- Try
- R(E);
- Vars
- S(b);CHECK,N_GUARD::S(C),XS(b)
- R(f);N_SPINR(f),OGATE,XQ(F)::R(E),XR(f)
- R(f);OGATE::QAR1(F),XR(f)
- P(e);SBLOCK::S(C)
- S(b);N_GUARD::S(C)
- R(f);OGATE::QAR2(F),XR(f)
- R(f);OGATEB::QAR(F),XR(f)
- P(h);N_GUARD::QAR(F),XR(f)
- Refutation
- P(d);
- Try
- R(E);
- Vars
- S(b);CHECK,N_GUARD::S(C),XS(b)
- R(f);N_SPINR(f),OGATE,XQ(F)::R(E),XR(f)
- R(f);OGATE::QAR1(F),XR(f)
- P(e);SBLOCK::S(C)
- S(b);N_GUARD::S(C)
- R(f);OGATE::QAR2(F),XR(f)
- R(f);OGATEB::QAR(F),XR(f)
- P(h);N_GUARD::QAR(F),XR(f)
- Refutation
- P(d);
- Try
- R(E);
- Vars
- S(b);CHECK,N_GUARD::S(C),XS(b)
- R(f);N_SPINR(f),OGATE,XQ(F)::R(E),XR(f)
- R(f);OGATE::QAR1(F),XR(f)
- P(e);SBLOCK::S(C)
- S(b);N_GUARD::S(C)
- R(f);OGATE::QAR2(F),XR(f)
- R(f);OGATEB::QAR(F),XR(f)
- P(h);N_GUARD::QAR(F),XR(f)
- Refutation
- P(d);
- Try
- R(E);
- Vars
- S(b);CHECK,N_GUARD::S(C),XS(b)
- R(f);N_SPINR(f),OGATE,XQ(F)::R(E),XR(f)
- R(f);OGATE::QAR1(F),XR(f)
- P(e);SBLOCK::S(C)
- S(b);N_GUARD::S(C)
- R(f);OGATE::QAR2(F),XR(f)
- R(f);OGATEB::QAR(F),XR(f)
- P(h);N_GUARD::QAR(F),XR(f)
- Refutation
- P(d);
- Try
- Q(F);
- Vars
- S(b);CHECK,N_GUARD::S(C),XS(b)
- R(f);OGATE::QAR1(F),XR(f)
- P(e);SBLOCK::S(C)
- S(b);N_GUARD::S(C)
- R(f);OGATE::QAR2(F),XR(f)
- P(h);N_GUARD::QAR(F),XR(f)
- Refutation
- R(f);N_SPINR(f),XQ(F)
- Try
- Actual
- R(E);
- Vars
- S(b);CHECK,N_GUARD::S(C),XS(b)
- R(f);N_SPINR(f),OGATE,XQ(F)::R(E),XR(f)
- R(f);OGATE::QAR1(F),XR(f)
- P(d);OGATEB::QAB(F)
- P(e);SBLOCK::S(C)
- S(b);N_GUARD::S(C)
- R(f);OGATE::QAR2(F),XR(f)
- R(f);OGATEB::QAR(F),XR(f)
- P(h);N_GUARD::QAR(F),XR(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).