MESON Chess Problem Database

Problem Display
PID: 198428 (6K1/2Pr1P2/3krp2/2RN4/1Q2p3/8/8/8 w - - 0 1)

Szoghy, Jozsef

4th HM., Fontaine MT, 1978-1979

6K1/2Pr1P2/3krp2/2RN4/1Q2p3/8/8/8

#2

6 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Qb6#
  • Tries
    • 1.Rc1+?
      • 1...Kxd5
        • 2.Qc5#
      • 1...Ke5!
    • 1.Rc2+?
      • 1...Kxd5
        • 2.Qc5#
      • 1...Ke5!
    • 1.Rc3+?
      • 1...Kxd5
        • 2.Qc5#
      • 1...Ke5!
    • 1.Rc4+?
      • 1...Kxd5
        • 2.Qc5#
      • 1...Ke5!
    • 1.Ra5+?
      • 1...Kc6
        • 2.Qb6#
      • 1...Ke5!
    • 1.Rb5+?
      • 1...Kc6
        • 2.Qc5#
      • 1...Ke5!
  • Keys
    • 1.Se7!
      • threat
        • 2.Sf5#
        • 2.Sc8#
        • 2.c8S#
      • 1...Rd8+
        • 2.cxd8Q#
      • 1...Kxe7
        • 2.f8Q#
      • 1...Rexe7
        • 2.Qb6#
      • 1...Rxc7
        • 2.Rd5#
      • 1...Rdxe7
        • 2.Qd4#
      • 1...Re5
        • 2.Rc6#
      • 1...f5
        • 2.Sxf5#
        • 2.Sc8#
        • 2.c8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(c);SBLOCK::QAR2(A)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(b);P-FLIGHT,XS(C)::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(B);CHECK
      • Vars
        • K(b);P-FLIGHT,XS(C)::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(B);CHECK
      • Vars
        • K(b);P-FLIGHT,XS(C)::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(B);CHECK
      • Vars
        • K(b);P-FLIGHT,XS(C)::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(C);
    • Threat
      • DUALS(3)
    • Vars
      • R(e);CHECK,OGATE::PXR(e)=Q
      • K(b);S_FLIGHT,XS(C)::P=Q
      • R(c);SBLOCK,XS(C)::QAR2(A)
      • R(e);SBLOCK,XP(D)::QAB(A)+R(B),DCHECK
      • R(e);SBLOCK,XS(C)::QAR2(A)
      • R(c);SBLOCK::QAB(A)+R(B),DCHECK
HTML5 logo

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).