MESON Chess Problem Database
Problem Display
PID: 68041 (1Q6/2n2R2/3p1N1b/4k3/2pN1r2/2P3R1/B4PnB/2K5 w - - 0 1)
Lehen, Ludovit
1/3 Prize, Hlas l'udu, 1978
#2
10 + 7
| 5865 | Czech Album (1976-1978) | 1983 |
SOLUTION
- SOUND
- Sets
- 1...Rxf2+
- 2.Re3#
- 2.Rg5#
- 1...Rf3+
- 2.Rg5#
- 1...Re4+
- 2.Rg5#
- 1...Rg4+
- 2.Re3#
- 1...Rh4+
- 2.Re3#
- 2.Rg5#
- 1...Rf5+
- 2.Re3#
- 1...Bg5
- 2.Rxg5#
- 1...Bg7
- 2.Rg5#
- 1...Bf8
- 2.Rg5#
- 1...Se1
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sh4
- 2.Re3#
- 1...Sb5
- 2.Qe8#
- 1...Sa6
- 2.Qe8#
- 1...Sa8
- 2.Qe8#
- 1...Se8
- 2.Qxe8#
- 1...d5
- 2.Qxc7#
- 1...Rxf2+
- Tries
- 1.Sd7+?
- 1...Kd5
- 2.Qb7#
- 1...Ke4!
- 1...Kd5
- 1.Re7+?
- 1...Se6
- 2.Rxe6#
- 1...Kxf6!
- 1...Se6
- 1.Qb7?
- threat
- 2.Sd7#
- 1...Rxf2+
- 2.Re3#
- 2.Rg5#
- 1...Rf3+
- 2.Rg5#
- 1...Re4+
- 2.Rg5#
- 1...Rg4+
- 2.Re3#
- 1...Rh4+
- 2.Re3#
- 2.Rg5#
- 1...Rf5+
- 2.Re3#
- 1...Rxf6+
- 2.Re3#
- 2.Rg5#
- 1...d5
- 2.Qxc7#
- 1...Sd5
- 2.Qxd5#
- 1...Rxd4+!
- threat
- 1.Qc8?
- threat
- 2.Sc6#
- 1...Rxf2+
- 2.Re3#
- 2.Rg5#
- 1...Rf3+
- 2.Rg5#
- 1...Rxd4+
- 2.Re3#
- 2.Rg5#
- 1...Re4+
- 2.Rg5#
- 1...Rg4+
- 2.Re3#
- 1...Rh4+
- 2.Re3#
- 2.Rg5#
- 1...Rf5+
- 2.Re3#
- 1...d5
- 2.Qxc7#
- 1...Se6
- 2.Qxe6#
- 1...Rxf6+!
- threat
- 1.Qe8+?
- 1...Se6
- 2.Qxe6#
- 1...Sxe8!
- 1...Se6
- 1.Sd7+?
- Keys
- 1.Bb1!
- 1...Rxf2+
- 2.Re3#
- 2.Rg5#
- 1...Rf3+
- 2.Rg5#
- 1...Rxd4+
- 2.Re3#
- 1...Re4+
- 2.Rg5#
- 1...Rg4+
- 2.Re3#
- 1...Rh4+
- 2.Re3#
- 2.Rg5#
- 1...Rf5+
- 2.Re3#
- 1...Rxf6+
- 2.Rg5#
- 1...d5
- 2.Qxc7#
- 1...Bg5
- 2.Rxg5#
- 1...Bg7
- 2.Rg5#
- 1...Bf8
- 2.Rg5#
- 1...Se1
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sh4
- 2.Re3#
- 1...Sb5
- 2.Qe8#
- 1...Sd5
- 2.Sd7#
- 1...Sa6
- 2.Qe8#
- 1...Se6
- 2.Sc6#
- 1...Sa8
- 2.Qe8#
- 1...Se8
- 2.Qxe8#
- 1...Rxf2+
- 1.Bb1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(c);CHECK::B(D)+R(F),DCHECK
- B(f);N_GUARD::R(F),XB(f)
- B(f);N_GUARD::R(F)
- S(a);N_GUARD::R(F)
- S(a);N_GUARD::R(F),XS(a)
- S(g);N_GUARD,P_SPINP(e)::QAR(J)
- S(g);N_GUARD,P_SPINP(e)::QAR(J),XS(g)
- P(e);OGATEB,P_SPINS(g)::QAB(J),XS(g)
- Tries
- Try
- S(H);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINP(b)::QAB(J)
- Refutation
- K(d);P-FLIGHT
- Try
- R(I);CHECK
- Vars
- S(g);N_GUARD,P_SPINP(e),P_SPINS(g)::R1(I),XS(g)
- Refutation
- K(d);S_FLIGHT,XS(H)
- Try
- Q(J);
- Threat
- S(H)
- Vars
- R(c);CHECK::B(D)+R(F),DCHECK
- P(e);OGATEB::QAB(J),XS(g)
- S(g);N_GUARD::QAR1(J),XS(g)
- Refutation
- R(c);CHECK,XS(G)
- Try
- Q(J);
- Threat
- S(G)
- Vars
- R(c);CHECK::B(D)+R(F),DCHECK
- P(e);OGATEB::QAB(J),XS(g)
- S(g);N_GUARD::QAR1(J),XS(g)
- Refutation
- R(c);CHECK,XS(H)
- Try
- Q(J);CHECK
- Vars
- S(g);N_GUARD,P_SPINS(g)::QAR1(J),XS(g)
- Refutation
- S(g);XQ(J)
- Try
- Actual
- B(B);
- Vars
- R(c);CHECK::B(D)+R(F),DCHECK
- R(c);CHECK,XS(G)::B(D)+R(F),DCHECK
- R(c);CHECK,XS(H)::B(D)+R(F),DCHECK
- P(e);OGATEB,P_SPINS(g)::QAB(J),XS(g)
- B(f);N_GUARD::R(F),XB(f)
- B(f);N_GUARD::R(F)
- S(a);N_GUARD::R(F)
- S(a);N_GUARD::R(F),XS(a)
- S(g);N_GUARD,P_SPINP(e)::QAR(J)
- S(g);P_SPINP(e),SBLOCK::S(H)
- S(g);P_SPINP(e),SBLOCK::S(G)
- S(g);N_GUARD,P_SPINP(e)::QAR(J),XS(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).