MESON Chess Problem Database

Problem Display
PID: 240390 (4Bb2/r2Qp2K/p2PPP2/2RNkN1R/8/3P4/8/8 w - - 0 1)

Zilahi, Zoltan

Tijdschrift vd KNSB, 1947

4Bb2/r2Qp2K/p2PPP2/2RNkN1R/8/3P4/8/8

#2

11 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sc3+?
      • 1...Kxf6
        • 2.Se4#
      • 1...Kf4!
    • 1.Sde3+?
      • 1...Kxf6
        • 2.Sg4#
      • 1...Kf4!
    • 1.Sdxe7+?
      • 1...Kxf6
        • 2.Sg8#
      • 1...Kf4!
  • Keys
    • 1.Qa4!
      • threat
        • 2.Qe4#
      • 1...exd6+
        • 2.Sg7#
      • 1...exf6+
        • 2.Sc7#
      • 1...Kxe6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT,XP(H)::S(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT,XP(H)::S(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);CHECK,XP(d)
      • Vars
        • K(a);S_FLIGHT,XP(H)::S(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(I);
    • Threat
      • QAR1(I)
    • Vars
      • P(d);CHECK,SBLOCK,XP(F)::R(E)+S(D)
      • P(d);CHECK,SBLOCK,XP(H)::R(B)+S(C)
      • K(a);P-FLIGHT,XP(G)::QAR2(I)
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).