MESON Chess Problem Database

Problem Display
PID: 119955 (1K6/8/3P2P1/3pkP2/3RpR1P/8/5P1N/2Q1N3 w - - 0 1)

van Eelde, Antonie Clarus Johannes

Famileblad, 1901

1K6/8/3P2P1/3pkP2/3RpR1P/8/5P1N/2Q1N3

#2

11 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Shf3#
    • 1...Kxd6
      • 2.Qc7#
  • Tries
    • 1.Kc7?
      • 1...Kxd4
        • 2.Shf3#
      • 1...e3
        • 2.Sg4#
      • 1...Kf6!
    • 1.Sg4+?
      • 1...Kxd6
        • 2.Qc7#
      • 1...Kxd4!
    • 1.Rxd5+?
      • 1...Kf6
        • 2.Qb2#
        • 2.Qa1#
        • 2.Qc3#
      • 1...Kxd5!
    • 1.Qc7?
      • 1...Kxd4
        • 2.Shf3#
      • 1...Kf6
        • 2.Sg4#
        • 2.Qe7#
      • 1...e3
        • 2.Sg4#
        • 2.Qe7#
      • 1...Kxf4!
  • Keys
    • 1.Qc8!
      • 1...Kxd4
        • 2.Shf3#
      • 1...Kxf4
        • 2.Sd3#
      • 1...Kxd6
        • 2.Qc7#
      • 1...Kf6
        • 2.Qh8#
      • 1...e3
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);P_SPINP(a),S_FLIGHT,XR(E)::S(D)
    • K(c);OGATEB,P_SPINP(b),S_FLIGHT,XP(I)::QAB1(A)
  • Tries
    • Try
      • K(K);S_FLIGHT
      • Vars
        • K(c);P_SPINP(a),S_FLIGHT,XR(E)::S(D)
        • P(a);::S(D)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(c);P_SPINP(b),S_FLIGHT,XP(I)::QAB1(A)
      • Refutation
        • K(c);P_SPINP(a),S_FLIGHT,XR(E)
    • Try
      • R(E);CHECK,XP(b)
      • Refutation
        • K(c);P-FLIGHT,XR(E)
    • Try
      • Q(A);
      • Vars
        • K(c);P_SPINP(a),S_FLIGHT,XR(E)::S(D)
      • Refutation
        • K(c);P_SPINP(a),S_FLIGHT,XR(F)
  • Actual
    • Q(A);
    • Vars
      • K(c);P_SPINP(a),S_FLIGHT,XR(E)::S(D)
      • K(c);P_SPINP(a),S_FLIGHT,XR(F)::S(B)
      • K(c);OGATEB,P_SPINP(b),S_FLIGHT,XP(I)::QAB1(A)
      • K(c);S_FLIGHT::QAB(A)
      • P(a);::QAR1(A)
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).