Problem Display
PID: 99569 (2B5/2pp1p2/1P1BRPp1/1RK2k2/2P2N2/3N4/2n3Q1/8 w - - 0 1)

Haring, Jacobus

Magyar Sakkszovetseg, 1964

2B5/2pp1p2/1P1BRPp1/1RK2k2/2P2N2/3N4/2n3Q1/8

#2

11 + 6


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...cxb6+
      • 2.Kxb6#
    • 1...cxd6+
      • 2.Kxd6#
    • 1...fxe6
      • 2.Qxg6#
  • Keys
    • 1.Be7!
      • threat
        • 2.Re5#
      • 1...cxb6+
        • 2.Kd6#
      • 1...d6+
        • 2.Rxd6#
      • 1...dxe6
        • 2.Kc6#
      • 1...fxe6
        • 2.Qxg6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(d);CHECK,XP(G)::R(E)+K(F),XP(d)
    • P(d);CHECK,XB(H)::R(E)+K(F),XP(d)
    • P(f);N_GUARD,XR(I)::QAB1(A),XP(c)
  • Actual
    • B(H);
    • Threat
      • R1(I)
    • Vars
      • P(d);CHECK,XP(G)::R(E)+K(F)
      • P(e);CHECK,OGATEB::B(K)+R(I),XP(e)
      • P(e);P_SPINP(e),XR(I)::R(E)+K(F)
      • P(f);N_GUARD,XR(I)::QAB1(A),XP(c)


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).