MESON Chess Problem Database

Problem Display
PID: 190013 (8/8/P1PpP1P1/2pkp3/P1RpR1PB/3N4/P2K2P1/3N4 w - - 0 1)

Singha, GBL

Brisbane Courier, 1913

8/8/P1PpP1P1/2pkp3/P1RpR1PB/3N4/P2K2P1/3N4

#2

14 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc4
      • 2.Se3#
    • 1...Kxe4
      • 2.Sc3#
    • 1...Kxe6
      • 2.Sf4#
  • Tries
    • 1.Bg5?
      • 1...Kxc4
        • 2.Se3#
      • 1...Kxe4
        • 2.Sc3#
      • 1...Kxe6
        • 2.Sf4#
      • 1...Kxc6!
    • 1.Rxc5+?
      • 1...Kxe4
        • 2.S1f2#
      • 1...Kxe6
        • 2.Sf4#
      • 1...dxc5!
    • 1.a7?
      • 1...Kxc4
        • 2.Se3#
      • 1...Kxe4
        • 2.Sc3#
      • 1...Kxe6
        • 2.Sf4#
      • 1...Kxc6!
    • 1.e7?
      • 1...Kxc4
        • 2.Se3#
      • 1...Kxe4
        • 2.Sc3#
      • 1...Ke6
        • 2.Sf4#
      • 1...Kxc6!
    • 1.g7?
      • 1...Kxc4
        • 2.Se3#
      • 1...Kxe4
        • 2.Sc3#
      • 1...Kxe6
        • 2.g8Q#
        • 2.g8B#
      • 1...Kxc6!
  • Keys
    • 1.Bd8!
      • 1...Kxc4
        • 2.Se3#
      • 1...Kxe4
        • 2.Sc3#
      • 1...Kxc6
        • 2.Sb4#
      • 1...Kxe6
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);P_SPINP(a),S_FLIGHT,XR(G)::S(A)
    • K(c);P_SPINP(a),S_FLIGHT,XR(H)::S(A)
    • K(c);P_SPINP(d),S_FLIGHT,XP(M)::S(E)
  • Tries
    • Try
      • B(J);
      • Vars
        • K(c);P_SPINP(a),S_FLIGHT,XR(G)::S(A)
        • K(c);P_SPINP(a),S_FLIGHT,XR(H)::S(A)
        • K(c);P_SPINP(d),S_FLIGHT,XP(M)::S(E)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT,XP(L)
    • Try
      • R(G);CHECK,XP(b)
      • Vars
        • K(c);S_FLIGHT,XR(H)::S(A)
        • K(c);P_SPINP(d),S_FLIGHT,XP(M)::S(E)
      • Refutation
        • P(e);XR(G)
    • Try
      • P(K);
      • Vars
        • K(c);P_SPINP(a),S_FLIGHT,XR(G)::S(A)
        • K(c);P_SPINP(a),S_FLIGHT,XR(H)::S(A)
        • K(c);P_SPINP(d),S_FLIGHT,XP(M)::S(E)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT,XP(L)
    • Try
      • P(M);
      • Vars
        • K(c);P_SPINP(a),S_FLIGHT,XR(G)::S(A)
        • K(c);P_SPINP(a),S_FLIGHT,XR(H)::S(A)
        • K(c);P_SPINP(d),S_FLIGHT::S(E)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT,XP(L)
    • Try
      • P(N);
      • Vars
        • K(c);P_SPINP(a),S_FLIGHT,XR(G)::S(A)
        • K(c);P_SPINP(a),S_FLIGHT,XR(H)::S(A)
        • K(c);P_SPINP(d),S_FLIGHT,XP(M)::P=Q
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT,XP(L)
  • Actual
    • B(J);
    • Vars
      • K(c);P_SPINP(a),S_FLIGHT,XR(G)::S(A)
      • K(c);P_SPINP(a),S_FLIGHT,XR(H)::S(A)
      • K(c);P_SPINP(b),S_FLIGHT,XP(L)::S(E)
      • K(c);P_SPINP(d),S_FLIGHT,XP(M)::S(E)
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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).