MESON Chess Problem Database

Problem Display
PID: 273023 (1BN1K3/2q5/2p3P1/4kN1R/2rpPp2/R7/B7/3bQ3 w - - 0 1)

Nietvelt, Gustaaf Josephus

The Problemist, 1931

1BN1K3/2q5/2p3P1/4kN1R/2rpPp2/R7/B7/3bQ3

#2

10 + 7

SOLUTION

  • SOUND
  • Keys
    • 1.Qh4!
      • threat
        • 2.Qe7#
      • 1...Kxe4
        • 2.Sg3#
      • 1...Ke6
        • 2.Sxd4#
      • 1...f3
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);
    • Threat
      • QAR2(A)
    • Vars
      • K(e);N_GUARD,N_SPINQ(g),P-FLIGHT,P_SPINP(d),S_CUTB(a),XP(D)::S(E)
      • K(e);N_GUARD,N_SPINQ(g),P-FLIGHT,P_SPINR(b),S_CUTB(a)::S(E),XP(c)
      • P(d);S_CUTB(a)::R(F)+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).