MESON Chess Problem Database

Problem Display
PID: 270524 (1N6/6q1/5n1R/3k4/1P5R/1K1N3B/8/1Q6 w - - 0 1)

Szoghy, Jozsef

Probleemblad, 1951

1N6/6q1/5n1R/3k4/1P5R/1K1N3B/8/1Q6

#2

8 + 3

SOLUTION

  • SOUND
  • Keys
    • 1.Qa1!
      • threat
        • 2.Rd4#
        • 2.Qd4#
        • 2.Qe5#
      • 1...Kd6
        • 2.Qe5#
      • 1...Qg4
        • 2.Qe5#
      • 1...Qg1
        • 2.Qe5#
      • 1...Qg3
        • 2.Rd4#
        • 2.Qd4#
      • 1...Qg5
        • 2.Rd4#
        • 2.Qd4#
      • 1...Qa7
        • 2.Qe5#
      • 1...Qc7
        • 2.Rd4#
        • 2.Qd4#
      • 1...Qe7
        • 2.Rd4#
        • 2.Qd4#
      • 1...Se4
        • 2.Sf4#
      • 1...Sg4
        • 2.Bg2#
      • 1...Sh5
        • 2.Qa5#
      • 1...Sd7
        • 2.Qa8#
      • 1...Sh7
        • 2.Qa5#
      • 1...Se8
        • 2.Qa5#
      • 1...Sg8
        • 2.Qa5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);
    • Threat
      • DUALS(3)
    • Vars
      • K(a);P-FLIGHT,P_SPINS(b)::QAB1(A)
      • Q(c);::QAR1(A)
      • S(b);SBLOCK::S(C)
      • S(b);N_GUARD,S_CUTQ(c)::B(D)
      • S(b);::QAR(A)
      • S(b);S_CUTQ(c)::QAB(A)
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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).