Problem Display
PID: 98886 (7Q/2Pp1p2/1bpPbKB1/1r2rpB1/R1n1k1N1/1N1p1p2/4P3/3R4 w - - 0 1)

Szoghy, Jozsef

Problemas, 1976

7Q/2Pp1p2/1bpPbKB1/1r2rpB1/R1n1k1N1/1N1p1p2/4P3/3R4

#2

11 + 12


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Bd5
      • 2.exd3#
    • 1...fxe2
      • 2.Qh1#
    • 1...f2
      • 2.Qh1#
  • Tries
    • 1.Se3?
      • threat
        • 2.Qh4#
        • 2.exd3#
      • 1...Rxb3
        • 2.Qh4#
      • 1...dxe2
        • 2.Qh4#
      • 1...fxe2
        • 2.Qh1#
      • 1...fxg6
        • 2.exd3#
      • 1...Rbd5
        • 2.Qh4#
      • 1...Red5
        • 2.Qh4#
      • 1...d2
        • 2.Qh4#
      • 1...f2
        • 2.Qh1#
        • 2.Qh4#
      • 1...Bxe3!
  • Keys
    • 1.Ke7!
      • threat
        • 2.Sf6#
      • 1...Bd5+
        • 2.Qxe5#
      • 1...Kd5
        • 2.Sf6#
      • 1...Rxb3
        • 2.Qxe5#
      • 1...fxe2
        • 2.Qh1#
      • 1...Rec5
        • 2.Qd4#
      • 1...Red5
        • 2.Sd2#
      • 1...f6
        • 2.Sxf6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(j);SBLOCK::P(B),XP(a)
    • P(b);OGATEB,XP(B)::QAB(K)
    • P(b);OGATEB::QAB(K)
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • R(e);XS(C)::QAR(K)
        • P(a);XP(B)::QAR(K)
        • P(b);OGATEB,XP(B)::QAB(K)
        • P(l);N_SPINP(g),XB(I)::P(B),XP(a)
        • R(e);::QAR(K)
        • R(f);::QAR(K)
        • P(a);::QAR(K)
      • Refutation
        • B(h);XS(E)
  • Actual
    • K(H);S_FLIGHT
    • Threat
      • S(E)
    • Vars
      • B(j);CHECK,S_CUTR(e)::QAR1(K),XR(f)
      • K(d);N_SPINP(g),N_SPINS(c),P_SPINP(a),S_FLIGHT::S(E)
      • R(e);N_GUARD,XS(C)::QAR1(K),XR(f)
      • P(b);OGATEB,XP(B)::QAB(K)
      • R(f);OGATE::QAR1(K)
      • R(f);SBLOCK::S(C)
      • P(l);::S(E),XP(l)


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).