MESON Chess Problem Database

Problem Display
PID: 262935 (1rbQK3/1p1ppp2/1Rn1k1nR/1N2b2N/8/4P3/4B2B/8 w - - 0 1)

Lipton, Michael

The Problemist, 1954

1rbQK3/1p1ppp2/1Rn1k1nR/1N2b2N/8/4P3/4B2B/8

#2

9 + 10

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Keys
    • 1.e4!
      • threat
        • 2.Qxe7#
      • 1...Bd6
        • 2.Bc4#
      • 1...Bf6
        • 2.Sc7#
        • 2.Bg4#
      • 1...d6
        • 2.Sc7#
      • 1...f6
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • P(C);
    • Threat
      • QAR1(H),XP(g)
    • Vars
      • B(a);N_SPINS(b),P_SPINS(d),S_CUTP(f)::B(A)
      • P(f);N_SPINS(b),P_SPINS(d),S_CUTB(a)::S(D)
      • P(h);SBLOCK,S_CUTB(a)::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).