MESON Chess Problem Database

Problem Display
PID: 6902 (2k3K1/2nR1P2/P1Q1n3/5rp1/2RprqB1/8/8/8 w - - 0 1)

Drese, Gerardus Hendrikus

Skakbladet, 1934

2k3K1/2nR1P2/P1Q1n3/5rp1/2RprqB1/8/8/8

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Kb8
      • 2.Qb7#
  • Keys
    • 1.Re7!
      • threat
        • 2.Qa8#
      • 1...Kb8
        • 2.Qb7#
      • 1...Kd8
        • 2.Qd7#
      • 1...Rb5
        • 2.Re8#
        • 2.Qe8#
      • 1...Rc5
        • 2.Re8#
      • 1...Sc5
        • 2.f8Q#
        • 2.f8R#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(h);N_SPINS(g),P-FLIGHT::QAR1(D)
  • Actual
    • R(E);
    • Threat
      • QAR2(D)
    • Vars
      • K(h);N_SPINS(g),P-FLIGHT::QAR1(D)
      • R(d);N_SPINS(g),P_SPINS(f)::R(E)
      • S(f);N_GUARD,P_SPINR(d)::P=Q
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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).