MESON Chess Problem Database

Problem Display
PID: 187239 (1B6/1Np5/1P4K1/4k3/7P/3PPP2/6B1/1Q6 w - - 0 1)

Hoek, Willem

Probleemblad, 1979

1B6/1Np5/1P4K1/4k3/7P/3PPP2/6B1/1Q6

#2

10 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Qb4?
      • threat
        • 2.Qe4#
      • 1...Kd5
        • 2.Qe4#
      • 1...Ke6!
  • Keys
    • 1.Kf7!
      • threat
        • 2.Qb5#
      • 1...Kd5
        • 2.f4#
      • 1...Kf5
        • 2.d4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • K(a);N_SPINP(b),P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
  • Actual
    • K(H);S_FLIGHT
    • Threat
      • QAR(A)
    • Vars
      • K(a);N_SPINP(b),P-FLIGHT::B(B)+P(E)
      • K(a);N_SPINP(b),P-FLIGHT::QAB(A)+P(C)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).