Problem Display
PID: 99316 (K1k1N3/4pr2/1P1p2r1/p1N2qB1/3Q4/3R3B/8/2R5 w - - 0 1)

Nagy, Odon

Magyar Munkas Sakkor, 1927

K1k1N3/4pr2/1P1p2r1/p1N2qB1/3Q4/3R3B/8/2R5

#2

9 + 7


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Qd7
      • 2.Sb7#
    • 1...dxc5
      • 2.Qd8#
      • 2.b7#
    • 1...e6
      • 2.Sxd6#
  • Keys
    • 1.Qa4!
      • threat
        • 2.Sb7#
      • 1...Kd8
        • 2.Sb7#
      • 1...dxc5
        • 2.b7#
      • 1...Re6
        • 2.Qd7#
      • 1...d5
        • 2.Se6#
      • 1...e5
        • 2.Sd7#
      • 1...e6
        • 2.Sxd6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • Q(b);::R(A)+S(E)
    • P(e);N_GUARD,N_SPINQ(b),S_CUTR(d)::S(I),XP(c)
  • Actual
    • Q(D);
    • Threat
      • R(A)+S(E)
    • Vars
      • K(g);N_SPINQ(b),P-FLIGHT,P_SPINP(c)::S(E)
      • P(c);P_SPINP(c),XS(E)::P(G)
      • R(d);N_SPINQ(b),S_CUTQ(b)::QAB1(D)
      • P(c);::R(A)+S(E)
      • P(e);::R(A)+S(E)
      • P(e);N_GUARD,N_SPINQ(b),S_CUTR(d)::S(I),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).