MESON Chess Problem Database
Problem Display
PID: 251735 (Kn2R3/N6p/4b1P1/R2pkp1Q/4N1p1/3PB3/6q1/8 w - - 0 1)
Kapustin, Fedor Mikhailovich
Probleemblad, 1982
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...hxg6
- 2.Qh8#
- 1...Sa6
- Tries
- 1.Sg5?
- threat
- 2.Rxe6#
- 1...Kf6
- 2.Bd4#
- 1...f4
- 2.Se4#
- 1...Kd6!
- threat
- 1.Ra6?
- threat
- 2.Raxe6#
- 2.Rexe6#
- 1...Sxa6
- 2.Sc6#
- 1...d4
- 2.Ra5#
- 1...Sc6
- 2.Sxc6#
- 1...dxe4!
- threat
- 1.Qg5?
- threat
- 2.Qf4#
- 2.Qf6#
- 1...Qf1
- 2.Qf6#
- 1...Qf3
- 2.Qf6#
- 1...Qf2
- 2.Qf6#
- 1...Qh2
- 2.Qf6#
- 1...Qg3
- 2.Qf6#
- 1...Sd7
- 2.Sc6#
- 2.Qf4#
- 1...Qxe4!
- threat
- 1.Qh6?
- threat
- 2.Qf4#
- 2.Qg7#
- 1...fxe4
- 2.Qf4#
- 1...f4
- 2.Qxf4#
- 2.Qg5#
- 2.Qh5#
- 1...Qf1
- 2.Qg7#
- 1...Qf3
- 2.Qg7#
- 1...Qf2
- 2.Qg7#
- 1...Qh2
- 2.Qg7#
- 1...Qg3
- 2.Qg7#
- 1...Sd7
- 2.Sc6#
- 2.Qf4#
- 1...Qxe4!
- threat
- 1.gxh7?
- threat
- 2.h8Q#
- 2.h8B#
- 1...Qf1
- 2.h8Q#
- 2.h8B#
- 1...Qh1
- 2.h8Q#
- 2.h8B#
- 1...Qf3
- 2.h8Q#
- 2.h8B#
- 1...Qh3
- 2.h8Q#
- 2.h8B#
- 1...Qg1
- 2.h8Q#
- 2.h8B#
- 1...Qa2
- 2.h8Q#
- 2.h8B#
- 1...Qb2
- 2.h8Q#
- 2.h8B#
- 1...Qc2
- 2.h8Q#
- 2.h8B#
- 1...Qd2
- 2.h8Q#
- 2.h8B#
- 1...Qe2
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.h8Q#
- 2.h8B#
- 1...Qh2
- 2.h8Q#
- 2.h8B#
- 1...Qg3
- 2.h8Q#
- 2.h8B#
- 1...Sa6
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Sc6
- 2.Sxc6#
- 2.h8Q#
- 2.h8B#
- 1...Sd7
- 2.Sc6#
- 1...g3
- 2.h8Q#
- 2.h8B#
- 1...Qxe4!
- threat
- 1.Sg5?
- Keys
- 1.Sc5!
- threat
- 2.Rxe6#
- 1...d4+
- 2.Se4#
- 1...Kd6
- 2.Bf4#
- 1...Kf6
- 2.Bd4#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- S(h);N_GUARD::S(G)
- S(h);N_GUARD::S(G),XS(h)
- P(g);OGATE,XP(F)::QAB(E)
- Tries
- Try
- S(C);
- Threat
- R1(I),XB(f)
- Vars
- K(d);N_GUARD,N_SPINB(f),N_SPINP(c),S_FLIGHT::B(B)
- P(e);::QAR(E)+S(C)
- Refutation
- K(d);N_SPINB(f),N_SPINP(c),S_FLIGHT
- Try
- R(D);N_PINP(c),P_PINP(e)
- Threat
- DUALS(2)
- Vars
- S(h);N_GUARD,XR(D)::S(G)
- P(c);OGATEB,P_PINS(C)::R(D)
- S(h);N_GUARD::S(G),XS(h)
- Refutation
- P(c);XS(C)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- Q(a);::QAB1(E)
- Refutation
- Q(a);XS(C)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- P(e);XS(C)::QAB1(E)
- Q(a);::QAB(E)
- Refutation
- Q(a);XS(C)
- Try
- P(F);XP(g)
- Threat
- P=Q
- Vars
- Q(a);::P=Q
- S(h);N_GUARD::S(G)
- P(b);::P=Q
- Refutation
- Q(a);XS(C)
- Try
- Actual
- S(C);N_PINP(c),P_PINP(e)
- Threat
- R1(I),XB(f)
- Vars
- P(c);CHECK::R(D)+S(C)
- K(d);N_GUARD,N_SPINB(f),N_SPINP(e),S_FLIGHT::B(B)
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).