MESON Chess Problem Database
Problem Display
PID: 189623 (1K5n/4N3/Q2Np3/3pk1P1/4n3/4P3/8/8 w - - 0 1)
Gold, Zsigmund
Magyar Sakkvilag, 1911
#2
6 + 5
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Sg6
- 2.Sf7#
- 2.Sxg6#
- 1...Sf7
- 2.Sxf7#
- 2.Sg6#
- 1...d4
- 2.Sc4#
- 1...Sg6
- Tries
- 1.Qa4?
- 1...Sxg5
- 2.Qf4#
- 1...Sxd6
- 2.Qd4#
- 2.Qf4#
- 1...Sd2
- 2.Qf4#
- 1...Sf2
- 2.Qf4#
- 1...Sc3
- 2.Qf4#
- 1...Sg3
- 2.Qf4#
- 1...Sc5
- 2.Qf4#
- 1...Sf6
- 2.Qf4#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...d4
- 2.Sc4#
- 2.Qxd4#
- 1...Kxd6!
- 1...Sxg5
- 1.Qa4?
- Keys
- 1.Qc4!
- 1...Kxd6
- 2.Qc7#
- 1...Sxg5
- 2.Qf4#
- 1...Sxd6
- 2.Qd4#
- 2.Qf4#
- 1...dxc4
- 2.Sxc4#
- 1...Sd2
- 2.Qf4#
- 1...Sf2
- 2.Qf4#
- 1...Sc3
- 2.Qf4#
- 1...Sg3
- 2.Qf4#
- 1...Sc5
- 2.Qf4#
- 1...Sf6
- 2.Qf4#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...d4
- 2.Qxd4#
- 1...Kxd6
- 1.Qc4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- P(b);N_GUARD::S(D)
- Tries
- Try
- Q(C);
- Vars
- S(a);OGATE,XP(B)::QAB1(C)
- S(a);OGATE::QAB1(C)
- S(e);N_GUARD::S(D)
- S(e);N_GUARD::S(D),XS(e)
- Refutation
- K(c);S_FLIGHT,XS(D)
- Try
- Actual
- Q(C);
- Vars
- K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(C)
- S(a);OGATE,XP(B)::QAB1(C)
- P(b);XQ(C)::S(D),XP(b)
- S(a);OGATE::QAB1(C)
- S(e);N_GUARD::S(D)
- S(e);N_GUARD::S(D),XS(e)
- P(b);::QAB1(C),XP(b)
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).