MESON Chess Problem Database

Problem Display
PID: 187214 (RN2k2r/1K2nbr1/2p1p1pP/6B1/8/2Q5/8/5R2 w k - 0 1)

Anonymous

12. Kwik-Toernooi, 1979

RN2k2r/1K2nbr1/2p1p1pP/6B1/8/2Q5/8/5R2

#2

7 + 8

102 Probleemblad 1979

SOLUTION

  • SOUND
  • Sets
    • 1...Kf8
      • 2.Sd7#
    • 1...0-0
      • 2.Qxg7#
  • Tries
    • 1.Qxc6+?
      • 1...Kd8
        • 2.Sa6#
        • 2.Sd7#
        • 2.Rd1#
        • 2.Qd7#
        • 2.Qc8#
      • 1...Kf8
        • 2.Sd7#
      • 1...Sxc6!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qxe7#
      • 1...Kd8
        • 2.Qxe7#
      • 1...Kf8
        • 2.Sd7#
      • 1...0-0
        • 2.Qxg7#
      • 1...Sc8
        • 2.Qd8#
      • 1...Bg8
        • 2.Qf8#
      • 1...Sd5
        • 2.Qd8#
      • 1...Sf5
        • 2.Qd8#
      • 1...Sg8
        • 2.Qd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(g);P-FLIGHT,P_SPINB(e)::R(F)+S(G),DCHECK
    • K(g);0-0,OGATEB::QAR1(B),XR(f)
  • Tries
    • Try
      • Q(B);CHECK,XP(a)
      • Vars
        • K(g);P-FLIGHT,P_SPINB(e)::R(F)+S(G),DCHECK
      • Refutation
        • S(d);XQ(B)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B),XS(d)
    • Vars
      • K(g);P-FLIGHT,P_SPINS(d)::QAB1(B),XS(d)
      • K(g);P-FLIGHT,P_SPINB(e)::R(F)+S(G),DCHECK
      • K(g);0-0,OGATEB::QAR1(B),XR(f)
      • S(d);OGATE::QAR1(B)
      • B(e);OGATE::QAR1(B)
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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).