MESON Chess Problem Database
Problem Display
PID: 91571 (8/p4Q2/Kp1n4/4p1N1/8/N1P1kpP1/2Pp1pP1/3BnR2 w - - 0 1)
Simoni, Francesco
4th HM., Probleemblad, 1982
#2
10 + 9
| 14744 | Nuova Antologia dei Problemisti Italiani | 1992 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sxc2
- 2.Qxf3#
- 1...Sxg2
- 2.Qxf3#
- 1...Sd3
- 2.Qxf3#
- 1...Sc4
- 2.Sxc4#
- 1...Se4
- 2.Sc4#
- 1...Sb5
- 2.Sc4#
- 1...Sf5
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sxf7
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...Se8
- 2.Sc4#
- 1...fxg2
- 2.Qxf2#
- 1...e4
- 2.Qf4#
- 1...b5
- 2.Qxa7#
- 1...Sxc2
- Tries
- 1.Qd5?
- 1...Sxc2
- 2.Sxc2#
- 2.Qxf3#
- 1...Sxg2
- 2.Qxf3#
- 2.Qd3#
- 1...Sd3
- 2.Qxf3#
- 2.Qxd3#
- 1...Sc4
- 2.Sxc4#
- 2.Qe4#
- 1...Se4
- 2.Sc4#
- 2.Qxe4#
- 1...Sb5
- 2.Sc4#
- 2.Qe4#
- 2.Qxe5#
- 1...Sf5
- 2.Sc4#
- 2.Qe4#
- 2.Qxe5#
- 1...Sb7
- 2.Sc4#
- 2.Qe4#
- 2.Qxe5#
- 1...Sf7
- 2.Sc4#
- 2.Qe4#
- 1...Sc8
- 2.Sc4#
- 2.Qe4#
- 2.Qxe5#
- 1...Se8
- 2.Sc4#
- 2.Qe4#
- 2.Qxe5#
- 1...e4
- 2.Qd4#
- 1...b5
- 2.Qc5#
- 1...fxg2!
- 1...Sxc2
- 1.Qf5?
- 1...Sxc2
- 2.Sxc2#
- 2.Qxf3#
- 1...Sxg2
- 2.Qd3#
- 2.Qxf3#
- 1...Sxf5
- 2.Sc4#
- 1...fxg2
- 2.Qxf2#
- 1...e4
- 2.Qf4#
- 1...Sd3
- 2.Qxd3#
- 2.Qxf3#
- 1...Sc4
- 2.Sxc4#
- 2.Qe4#
- 1...Se4
- 2.Sc4#
- 2.Qxe4#
- 1...Sb5
- 2.Sc4#
- 2.Qe4#
- 2.Qxe5#
- 1...Sb7
- 2.Sc4#
- 2.Qe4#
- 2.Qxe5#
- 1...Sf7
- 2.Sc4#
- 2.Qe4#
- 1...Sc8
- 2.Sc4#
- 2.Qe4#
- 2.Qxe5#
- 1...Se8
- 2.Sc4#
- 2.Qe4#
- 2.Qxe5#
- 1...b5!
- 1...Sxc2
- 1.Qf6?
- 1...Sxc2
- 2.Qxf3#
- 1...Sxg2
- 2.Qxf3#
- 1...fxg2
- 2.Qxf2#
- 1...e4
- 2.Qd4#
- 2.Qf4#
- 1...Sd3
- 2.Qxf3#
- 1...Sc4
- 2.Sxc4#
- 1...Se4
- 2.Sc4#
- 1...Sb5
- 2.Sc4#
- 2.Qxe5#
- 1...Sf5
- 2.Sc4#
- 2.Qxe5#
- 1...Sb7
- 2.Sc4#
- 2.Qxe5#
- 1...Sf7
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 2.Qxe5#
- 1...Se8
- 2.Sc4#
- 2.Qxe5#
- 1...b5!
- 1...Sxc2
- 1.Qf8?
- 1...Sxc2
- 2.Qxf3#
- 1...Sxg2
- 2.Qxf3#
- 1...fxg2
- 2.Qxf2#
- 1...e4
- 2.Qf4#
- 1...Sd3
- 2.Qxf3#
- 1...Sc4
- 2.Sxc4#
- 1...Se4
- 2.Sc4#
- 1...Sb5
- 2.Sc4#
- 1...Sf5
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...Se8
- 2.Sc4#
- 1...b5!
- 1...Sxc2
- 1.Qd5?
- Keys
- 1.Qc4!
- 1...Sxc2
- 2.Sxc2#
- 1...Sxg2
- 2.Qd3#
- 1...Sxc4
- 2.Sxc4#
- 1...fxg2
- 2.Qe2#
- 1...Sd3
- 2.Qxd3#
- 1...Se4
- 2.Qxe4#
- 1...Sb5
- 2.Qe4#
- 1...Sf5
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sc8
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...e4
- 2.Qd4#
- 1...b5
- 2.Qc5#
- 1...Sxc2
- 1.Qc4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 13
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD,XP(C)::QAR1(J),XP(e)
- S(a);N_GUARD,XP(D)::QAR1(J),XP(e)
- S(a);N_GUARD::QAR1(J),XP(e)
- S(h);N_GUARD::S(E),XS(h)
- S(h);N_GUARD::S(E)
- S(h);N_GUARD,XQ(J)::S(E)
- P(e);OGATE,XP(D)::QAB1(J),XP(c)
- P(f);N_GUARD::QAB1(J)
- P(g);OGATEB::QAB(J),XP(i)
- Tries
- Try
- Q(J);
- Vars
- P(f);N_GUARD::QAB1(J)
- P(g);N_GUARD::QAB(J)
- Refutation
- P(e);XP(D)
- Try
- Q(J);
- Vars
- S(h);N_GUARD,XQ(J)::S(E)
- P(e);OGATE,XP(D)::QAB1(J),XP(c)
- P(f);N_GUARD::QAB1(J)
- Refutation
- P(g);
- Try
- Q(J);
- Vars
- S(a);N_GUARD,XP(C)::QAR1(J),XP(e)
- S(a);N_GUARD,XP(D)::QAR1(J),XP(e)
- P(e);OGATE,XP(D)::QAB1(J),XP(c)
- S(a);N_GUARD::QAR1(J),XP(e)
- S(h);N_GUARD::S(E),XS(h)
- S(h);N_GUARD::S(E)
- Refutation
- P(g);
- Try
- Q(J);
- Vars
- S(a);N_GUARD,XP(C)::QAR1(J),XP(e)
- S(a);N_GUARD,XP(D)::QAR1(J),XP(e)
- P(e);OGATE,XP(D)::QAB1(J),XP(c)
- P(f);N_GUARD::QAB1(J)
- S(a);N_GUARD::QAR1(J),XP(e)
- S(h);N_GUARD::S(E),XS(h)
- S(h);N_GUARD::S(E)
- Refutation
- P(g);
- Try
- Actual
- Q(J);
- Vars
- S(a);XP(C)::S(E),XS(a)
- S(a);N_GUARD,XP(D)::QAR1(J)
- S(h);XQ(J)::S(E),XS(h)
- P(e);N_GUARD,XP(D)::QAR1(J)
- S(a);N_GUARD::QAR1(J),XS(a)
- S(h);N_GUARD::QAR1(J),XS(h)
- S(h);N_GUARD::QAR1(J)
- P(f);N_GUARD::QAB1(J)
- P(g);N_GUARD::QAB(J)
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).