MESON Chess Problem Database
Problem Display
PID: 142816 (2B1n3/3Ppnp1/3Pkb2/2PpN1p1/2pp4/8/4N3/K1B2R2 w - - 0 1)
Zilahi, Zoltan
3rd HM., BCF 060. Ty., 1948-1949
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Bxe5
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sxe5
- 2.d8S#
- 1...exd6
- 2.dxe8Q#
- 2.dxe8R#
- 1...Bxe5
- Tries
- 1.Sd3?
- threat
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sfxd6
- 2.d8S#
- 1...Sexd6
- 2.d8S#
- 1...exd6
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8Q#
- 2.d8B#
- 1...Se5
- 2.d8S#
- 1...Sh6
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Sh8
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Be5
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sc7
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...c3
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...g4
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...g6
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...cxd3!
- threat
- 1.Sg4?
- threat
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sfxd6
- 2.d8S#
- 1...Sexd6
- 2.d8S#
- 1...exd6
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8Q#
- 2.d8B#
- 1...Se5
- 2.d8S#
- 1...Sh6
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Sh8
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Be5
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sc7
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...c3
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...g6
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...d3+!
- threat
- 1.Sc6?
- threat
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sfxd6
- 2.d8S#
- 1...Sexd6
- 2.d8S#
- 1...exd6
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Se5
- 2.Sd8#
- 2.d8S#
- 1...Sh6
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Sh8
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Be5
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sc7
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...c3
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...g4
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...g6
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...d3+!
- threat
- 1.Sg6?
- threat
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sfxd6
- 2.d8S#
- 1...Sexd6
- 2.d8S#
- 1...exd6
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Se5
- 2.d8S#
- 1...Sh6
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Sh8
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Be5
- 2.Sf8#
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sc7
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...c3
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...g4
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...d3+!
- threat
- 1.Rf5?
- threat
- 2.Sxd4#
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Bxe5
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sxe5
- 2.d8S#
- 1...Sfxd6
- 2.Sxd4#
- 2.d8S#
- 1...Sexd6
- 2.Sxd4#
- 2.d8S#
- 1...exd6
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8Q#
- 2.d8B#
- 1...Sh6
- 2.Sxd4#
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sd8
- 2.Sxd4#
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 1...Sh8
- 2.Sxd4#
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sc7
- 2.Sxd4#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...c3
- 2.Sxd4#
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...d3
- 2.Sd4#
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...g4
- 2.Sxd4#
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...g6
- 2.Sxd4#
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Kxf5!
- threat
- 1.Sd3?
- Keys
- 1.Re1!
- threat
- 2.Sxd4#
- 1...Kxe5
- 2.Sg3#
- 1...Kf5
- 2.Sxd4#
- 1...Bxe5
- 2.dxe8S#
- 1...Sxe5
- 2.d8S#
- 1...exd6
- 2.dxe8Q#
- 2.dxe8R#
- 1...d3
- 2.Sd4#
- threat
- 1.Re1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(h);SBLOCK,XS(F)::P=S
- P(g);XP(G)::PXS(j)=Q
- Tries
- Try
- S(F);
- Threat
- DUALS(8)
- Vars
- S(h);XP(G)::P=S
- S(j);XP(G)::P=S
- S(h);::P=S
- Refutation
- P(a);XS(F)
- Try
- S(F);
- Threat
- DUALS(8)
- Vars
- S(h);XP(G)::P=S
- S(j);XP(G)::P=S
- S(h);::P=S
- Refutation
- P(b);CHECK
- Try
- S(F);
- Threat
- DUALS(8)
- Vars
- S(h);XP(G)::P=S
- S(j);XP(G)::P=S
- Refutation
- P(b);CHECK
- Try
- S(F);
- Threat
- DUALS(8)
- Vars
- S(h);XP(G)::P=S
- S(j);XP(G)::P=S
- S(h);::P=S
- Refutation
- P(b);CHECK
- Try
- R(C);
- Threat
- DUALS(9)
- Vars
- S(h);XS(F)::P=S
- Refutation
- K(e);S_FLIGHT,XR(C)
- Try
- Actual
- R(C);
- Threat
- S(D),XP(b)
- Vars
- K(e);P-FLIGHT,XS(F)::R(C)+S(D)
- K(e);S_FLIGHT::S(D),XP(b)
- B(f);SBLOCK,XS(F)::PXS(j)=S
- S(h);SBLOCK,XS(F)::P=S
- P(g);XP(G)::PXS(j)=Q
- P(b);P_PINS(F)::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).