MESON Chess Problem Database
Problem Display
PID: 186789 (6N1/1NB2n2/PpkPP1n1/3p3Q/1K1p4/8/3P4/8 w - - 0 1)
Gatti, Daniele
Best Problems, 2019
#2
9 + 6
SOLUTION
- SOUND
- Sets
- 1...Sf4
- 2.Se7#
- 1...Sh4
- 2.Se7#
- 1...Sge5
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sf8
- 2.Se7#
- 1...Sgh8
- 2.Se7#
- 1...Sfe5
- 2.Sd8#
- 1...Sg5
- 2.Sd8#
- 1...Sh6
- 2.Sd8#
- 1...Sd8
- 2.Sxd8#
- 1...Sfh8
- 2.Sd8#
- 1...b5
- 2.Sa5#
- 1...Sf4
- Tries
- 1.Qd1?
- threat
- 2.Qc2#
- 2.Qc1#
- 1...Sge5
- 2.Se7#
- 1...Sfe5
- 2.Sd8#
- 1...d3
- 2.Qc1#
- 1...Sxd6!
- threat
- 1.Qxg6?
- threat
- 2.Se7#
- 2.Qc2#
- 1...d3
- 2.Se7#
- 1...Se5
- 2.Sd8#
- 2.Se7#
- 1...Sxd6!
- threat
- 1.Qh1?
- threat
- 2.Qc1#
- 1...Sge5
- 2.Se7#
- 1...Sfe5
- 2.Sd8#
- 1...Sxd6!
- threat
- 1.Qh2?
- 1...Sxd6
- 2.Qxd6#
- 1...Sf4
- 2.Se7#
- 1...Sh4
- 2.Se7#
- 1...Sge5
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sf8
- 2.Se7#
- 1...Sgh8
- 2.Se7#
- 1...Sfe5
- 2.Sd8#
- 1...Sg5
- 2.Sd8#
- 1...Sh6
- 2.Sd8#
- 1...Sd8
- 2.Sxd8#
- 1...Sfh8
- 2.Sd8#
- 1...b5
- 2.Sa5#
- 1...d3!
- 1...Sxd6
- 1.Qh7?
- 1...Sxd6
- 2.Sd8#
- 2.Qd7#
- 1...Sf4
- 2.Se7#
- 2.Qc2#
- 1...Sh4
- 2.Se7#
- 2.Qc2#
- 1...Sge5
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 2.Qc2#
- 1...Sf8
- 2.Se7#
- 2.Qc2#
- 1...Sgh8
- 2.Se7#
- 2.Qc2#
- 1...Sfe5
- 2.Sd8#
- 1...Sg5
- 2.Sd8#
- 2.Qd7#
- 1...Sh6
- 2.Sd8#
- 2.Qd7#
- 1...Sd8
- 2.Sxd8#
- 2.Qd7#
- 1...Sfh8
- 2.Sd8#
- 2.Qd7#
- 1...b5
- 2.Sa5#
- 1...d3!
- 1...Sxd6
- 1.Qh8?
- 1...Sgxh8
- 2.Se7#
- 1...Sfxh8
- 2.Sd8#
- 1...d3
- 2.Qc3#
- 1...Sf4
- 2.Se7#
- 1...Sh4
- 2.Se7#
- 1...Sge5
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sf8
- 2.Se7#
- 1...Sfe5
- 2.Sd8#
- 1...Sg5
- 2.Sd8#
- 1...Sh6
- 2.Sd8#
- 1...Sd8
- 2.Sxd8#
- 1...b5
- 2.Sa5#
- 1...Sxd6!
- 1...Sgxh8
- 1.d3?
- 1...Sf4
- 2.Se7#
- 1...Sh4
- 2.Se7#
- 1...Sge5
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sf8
- 2.Se7#
- 1...Sgh8
- 2.Se7#
- 1...Sfe5
- 2.Sd8#
- 1...Sg5
- 2.Sd8#
- 1...Sh6
- 2.Sd8#
- 1...Sd8
- 2.Sxd8#
- 1...Sfh8
- 2.Sd8#
- 1...b5
- 2.Sa5#
- 1...Sxd6!
- 1...Sf4
- 1.Qd1?
- Keys
- 1.Qe5!
- 1...Sgxe5
- 2.Se7#
- 1...Sfxe5
- 2.Sd8#
- 1...Sxd6
- 2.Qxd6#
- 1...d3
- 2.Qc3#
- 1...Sf4
- 2.Se7#
- 1...Sh4
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sf8
- 2.Se7#
- 1...Sgh8
- 2.Se7#
- 1...Sg5
- 2.Sd8#
- 1...Sh6
- 2.Sd8#
- 1...Sd8
- 2.Sxd8#
- 1...Sfh8
- 2.Sd8#
- 1...b5
- 2.Sa5#
- 1...Sgxe5
- 1.Qe5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(e);N_GUARD::S(I)
- S(e);N_GUARD::S(I),XS(e)
- S(f);N_GUARD::S(G)
- S(f);N_GUARD::S(G),XS(f)
- P(c);N_GUARD::S(G)
- Tries
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(e);N_GUARD::S(I)
- S(f);N_GUARD::S(G)
- P(a);::QAR(C)
- Refutation
- S(f);XP(E)
- Try
- Q(C);XS(e)
- Threat
- DUALS(2)
- Vars
- P(a);::S(I)
- Refutation
- S(f);XP(E)
- Try
- Q(C);P_PINP(b)
- Threat
- QAR(C)
- Vars
- S(e);N_GUARD::S(I)
- S(f);N_GUARD::S(G)
- Refutation
- S(f);XP(E)
- Try
- Q(C);
- Vars
- S(f);OGATE,XP(E)::QAR1(C),XS(f)
- S(e);N_GUARD::S(I)
- S(e);N_GUARD::S(I),XS(e)
- S(f);N_GUARD::S(G)
- S(f);N_GUARD::S(G),XS(f)
- P(c);N_GUARD::S(G)
- Refutation
- P(a);
- Try
- Q(C);
- Vars
- S(e);N_GUARD::S(I)
- S(f);N_GUARD::S(G)
- P(c);N_GUARD::S(G)
- Refutation
- P(a);
- Try
- Q(C);
- Vars
- S(e);N_GUARD,XQ(C)::S(I)
- S(f);N_GUARD,XQ(C)::S(G)
- P(a);OGATE::QAR(C)
- S(e);N_GUARD::S(I)
- S(e);N_GUARD::S(I),XS(e)
- S(f);N_GUARD::S(G)
- S(f);N_GUARD::S(G),XS(f)
- P(c);N_GUARD::S(G)
- Refutation
- S(f);XP(E)
- Try
- P(A);
- Vars
- S(e);N_GUARD::S(I)
- S(e);N_GUARD::S(I),XS(e)
- S(f);N_GUARD::S(G)
- S(f);N_GUARD::S(G),XS(f)
- P(c);N_GUARD::S(G)
- Refutation
- S(f);XP(E)
- Try
- Actual
- Q(C);
- Vars
- S(e);N_GUARD,XQ(C)::S(I)
- S(f);N_GUARD,XQ(C)::S(G)
- S(f);OGATE,XP(E)::QAR1(C),XS(f)
- P(a);OGATE::QAR(C)
- S(e);N_GUARD::S(I)
- S(e);N_GUARD::S(I),XS(e)
- S(f);N_GUARD::S(G)
- S(f);N_GUARD::S(G),XS(f)
- P(c);N_GUARD::S(G)
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).