MESON Chess Problem Database
Problem Display
PID: 190862 (5R2/P1PKn2P/1p3p2/pN2k1nP/R2p4/p3P1N1/B2pP3/3Q4 w - - 0 1)
Formanek, Bedrich
Gvozdjak, Peter
Suomen Shakki, 1983
#2
13 + 9
SOLUTION
- SOUND
- Sets
- 1...dxe3
- 2.Qa1#
- 1...d3
- 2.Qa1#
- 1...f5
- 2.h8Q#
- 2.h8B#
- 1...dxe3
- Tries
- 1.Sxd4?
- 1...Sxh7
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sh3
- 2.Sf3#
- 1...Se4
- 2.Sf3#
- 1...Se6
- 2.Sf3#
- 1...Sf7
- 2.Sf3#
- 1...Sd5
- 2.Sc6#
- 1...Sf5
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sc8
- 2.Sc6#
- 1...Sg8
- 2.Sc6#
- 1...f5
- 2.h8Q#
- 2.h8B#
- 1...b5!
- 1...Sxh7
- 1.Rxd4?
- 1...Sxh7
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Se6
- 2.Re4#
- 1...Sf7
- 2.Re4#
- 1...Sd5
- 2.Rxd5#
- 1...Sf5
- 2.Rd5#
- 1...Sc6
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 1...f5
- 2.h8Q#
- 2.h8B#
- 1...a4!
- 1...Sxh7
- 1.Re8?
- 1...Sxh7
- 2.Rxe7#
- 1...dxe3
- 2.Qa1#
- 1...f5
- 2.h8Q#
- 2.h8B#
- 1...Sf3
- 2.Rxe7#
- 1...Sh3
- 2.Rxe7#
- 1...Se4
- 2.Rxe7#
- 1...Sf7
- 2.Rxe7#
- 1...d3
- 2.Qa1#
- 1...Se6!
- 1...Sxh7
- 1.Qf1?
- threat
- 2.Qf4#
- 2.Qxf6#
- 2.exd4#
- 1...Sxh7
- 2.Qf4#
- 2.exd4#
- 1...dxe3
- 2.Qa1#
- 2.Qf4#
- 2.Qxf6#
- 1...d1Q
- 2.Qf4#
- 2.Qxf6#
- 1...d1R
- 2.Qf4#
- 2.Qxf6#
- 1...Sh3
- 2.Qxf6#
- 2.exd4#
- 1...Se4
- 2.Qf4#
- 2.exd4#
- 1...Se6
- 2.Qxf6#
- 1...Sf7
- 2.Qf4#
- 2.exd4#
- 1...Sd5
- 2.Qf5#
- 2.exd4#
- 1...Sf5
- 2.Qf4#
- 2.Qxf5#
- 1...Sc6
- 2.Qf4#
- 2.Qf5#
- 2.Qxf6#
- 1...Sg6
- 2.Qf5#
- 2.Qxf6#
- 2.exd4#
- 1...Sg8
- 2.Qf4#
- 2.Qf5#
- 2.exd4#
- 1...d3
- 2.Qa1#
- 2.Qf4#
- 2.Qxf6#
- 1...f5
- 2.Qf4#
- 2.exd4#
- 2.h8Q#
- 2.h8B#
- 1...Sf3!
- threat
- 1.a8Q?
- 1...Sxh7
- 2.Qe4#
- 1...dxe3
- 2.Qa1#
- 1...Sf3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Se6
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...d3
- 2.Qa1#
- 1...f5
- 2.h8Q#
- 2.h8B#
- 1...Sc6!
- 1...Sxh7
- 1.h8S?
- 1...dxe3
- 2.Qa1#
- 1...Sf3
- 2.Sf7#
- 1...Sh3
- 2.Sf7#
- 1...Se4
- 2.Sf7#
- 1...Se6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...Sh7
- 2.Sf7#
- 1...Sd5
- 2.Sg6#
- 1...Sf5
- 2.Sg6#
- 1...Sc6
- 2.Sg6#
- 1...Sg6
- 2.Sxg6#
- 1...Sc8
- 2.Sg6#
- 1...Sg8
- 2.Sg6#
- 1...d3
- 2.Qa1#
- 1...f5!
- 1...dxe3
- 1.Sxd4?
- Keys
- 1.Rxf6!
- 1...Kxf6
- 2.h8Q#
- 2.h8B#
- 1...Sxh7
- 2.Re6#
- 1...dxe3
- 2.Qa1#
- 1...Sf3
- 2.Re6#
- 1...Sh3
- 2.Re6#
- 1...Se4
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sf7
- 2.Re6#
- 1...Sd5
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sc6
- 2.Rf5#
- 1...Sg6
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 1...d3
- 2.Qa1#
- 1...Kxf6
- 1.Rxf6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- P(c);OGATEB,XP(D)::QAB(A)
- P(c);OGATEB::QAB(A)
- P(h);::P=Q
- Tries
- Try
- S(G);XP(c)
- Vars
- S(f);N_GUARD,XP(L)::S(G)
- S(f);N_GUARD::S(G),XS(f)
- S(f);N_GUARD::S(G)
- S(i);N_GUARD::S(G)
- S(i);N_GUARD::S(G),XS(i)
- P(h);::P=Q
- Refutation
- P(g);
- Try
- R(F);XP(c)
- Vars
- S(f);N_GUARD,XP(L)::R1(F)
- S(f);N_GUARD::R1(F)
- S(f);N_GUARD::R1(F),XS(f)
- S(i);N_GUARD::R1(F),XS(i)
- S(i);N_GUARD::R1(F)
- P(h);::P=Q
- Refutation
- P(d);
- Try
- R(M);P_PINS(i)
- Vars
- S(f);N_GUARD,XP(L)::R(M),XS(i)
- P(c);OGATEB,XP(D)::QAB(A)
- P(h);::P=Q
- S(f);N_GUARD::R(M),XS(i)
- P(c);OGATEB::QAB(A)
- Refutation
- S(f);N_SPINS(i)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- S(f);::QAB1(A),XP(h)
- Refutation
- S(f);
- Try
- P(I);
- Vars
- S(f);N_GUARD,XP(L)::QAR1(I)
- P(c);OGATEB,XP(D)::QAB(A)
- S(f);N_GUARD::QAR1(I)
- S(f);N_GUARD::QAR1(I),XS(f)
- S(i);N_GUARD::QAR1(I),XS(i)
- S(i);N_GUARD::QAR1(I)
- P(c);OGATEB::QAB(A)
- P(h);::P=Q
- Refutation
- S(i);
- Try
- P(L);
- Vars
- P(c);OGATEB,XP(D)::QAB(A)
- S(f);N_GUARD::S(L)
- S(f);N_GUARD::S(L),XS(f)
- S(i);N_GUARD::S(L)
- S(i);N_GUARD::S(L),XS(i)
- P(c);OGATEB::QAB(A)
- Refutation
- P(h);
- Try
- Actual
- R(M);XP(h)
- Vars
- K(e);S_FLIGHT,XR(M)::P=Q
- S(f);N_GUARD,XP(L)::R1(M)
- P(c);OGATEB,XP(D)::QAB(A)
- S(f);N_GUARD::R1(M)
- S(f);N_GUARD::R1(M),XS(f)
- S(i);N_GUARD::R1(M)
- S(i);N_GUARD::R1(M),XS(i)
- P(c);OGATEB::QAB(A)
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).