MESON Chess Problem Database
Problem Display
PID: 101034 (2n5/5n2/4p3/p1PN1k1K/Q3ppN1/8/p1P5/B7 w - - 0 1)
Jordan, Gijsbertus
Good Companions, 1921
#2
7 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Se5
- 2.Sh6#
- 1...Sg5
- 2.Sh6#
- 1...Sfd6
- 2.Sh6#
- 1...Sh6
- 2.Sxh6#
- 1...Sd8
- 2.Sh6#
- 1...Sh8
- 2.Sh6#
- 1...Sb6
- 2.Se7#
- 1...Scd6
- 2.Se7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...e3
- 2.Qxf4#
- 1...f3
- 2.Sge3#
- 1...exd5
- 2.Qd7#
- 1...e5
- 2.Qd7#
- 1...Se5
- Tries
- 1.Sdf6?
- threat
- 2.Qxe4#
- 1...e5
- 2.Qd7#
- 1...Sg5
- 2.Sh6#
- 1...Sfd6
- 2.Sh6#
- 1...e3
- 2.Qe4#
- 1...Scd6!
- threat
- 1.Qb5?
- 1...exd5
- 2.Qd7#
- 1...e3
- 2.Qd3#
- 1...e5
- 2.Qd7#
- 1...Se5
- 2.Sh6#
- 1...Sg5
- 2.Sh6#
- 1...Sfd6
- 2.Sh6#
- 1...Sh6
- 2.Sxh6#
- 1...Sd8
- 2.Sh6#
- 1...Sh8
- 2.Sh6#
- 1...Sb6
- 2.Se7#
- 1...Scd6
- 2.Se7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...f3
- 2.Sge3#
- 1...a4!
- 1...exd5
- 1.Qd7?
- threat
- 2.Qxf7#
- 1...Se5
- 2.Sh6#
- 1...Sg5
- 2.Sh6#
- 1...Sfd6
- 2.Sh6#
- 2.Qh7#
- 1...Sh6
- 2.Sxh6#
- 2.Qh7#
- 1...Sd8
- 2.Sh6#
- 2.Qh7#
- 1...Sh8
- 2.Sh6#
- 1...Scd6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...e3!
- threat
- 1.Qe8?
- threat
- 2.Qxf7#
- 1...Se5
- 2.Sh6#
- 1...Sg5
- 2.Sh6#
- 2.Qg6#
- 1...Sfd6
- 2.Sh6#
- 2.Qg6#
- 1...Sh6
- 2.Sxh6#
- 2.Qg6#
- 1...Sd8
- 2.Sh6#
- 2.Qg6#
- 1...Sh8
- 2.Sh6#
- 1...Scd6
- 2.Se7#
- 1...e3!
- threat
- 1.Qd4?
- threat
- 2.Qf6#
- 1...Se5
- 2.Sh6#
- 2.Qxe5#
- 1...e3
- 2.Qd3#
- 2.Qxf4#
- 1...e5!
- threat
- 1.Sdf6?
- Keys
- 1.c4!
- 1...exd5
- 2.Qd7#
- 1...e3
- 2.Qc2#
- 1...e5
- 2.Qd7#
- 1...Se5
- 2.Sh6#
- 1...Sg5
- 2.Sh6#
- 1...Sfd6
- 2.Sh6#
- 1...Sh6
- 2.Sxh6#
- 1...Sd8
- 2.Sh6#
- 1...Sh8
- 2.Sh6#
- 1...Sb6
- 2.Se7#
- 1...Scd6
- 2.Se7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...f3
- 2.Sge3#
- 1...exd5
- 1.c4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(g);N_GUARD::S(D)
- S(g);N_GUARD::S(D),XS(g)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(b);OGATE::QAR1(C),XP(c)
- P(c);N_GUARD::S(D)
- P(f);OGATEB,XS(F)::QAB(C)
- P(f);OGATEB::QAB(C)
- Tries
- Try
- S(F);
- Threat
- QAB1(C),XP(b)
- Vars
- P(f);OGATEB::QAB(C)
- S(g);N_GUARD::S(D)
- P(b);::QAB1(C)
- Refutation
- S(h);
- Try
- Q(C);
- Vars
- P(f);OGATEB,XS(F)::QAB(C)
- P(b);OGATEB::QAB(C)
- P(f);OGATEB::QAB(C)
- S(g);N_GUARD::S(D)
- S(g);N_GUARD::S(D),XS(g)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(c);N_GUARD::S(D)
- Refutation
- P(d);
- Try
- Q(C);P_PINP(f)
- Threat
- QAR2(C),XS(g)
- Vars
- S(g);N_GUARD::S(D)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- Refutation
- P(b);
- Try
- Q(C);
- Threat
- QAR2(C),XS(g)
- Vars
- S(g);N_GUARD::S(D)
- S(h);N_GUARD::S(F)
- Refutation
- P(b);
- Try
- Q(C);
- Threat
- QAR1(C)
- Refutation
- P(f);
- Try
- Actual
- P(B);
- Vars
- P(f);OGATEB,XS(F)::QAB(C)
- P(b);OGATEB::QAB(C)
- P(f);OGATEB::QAB(C)
- S(g);N_GUARD::S(D)
- S(g);N_GUARD::S(D),XS(g)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(c);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).