MESON Chess Problem Database

Problem Display
PID: 172095 (4bB1Q/R3q3/8/6p1/BbP1p3/kN6/pN3RK1/8 w - - 0 1)

Apro, Laszlo

Het Schaakleven, 1934

4bB1Q/R3q3/8/6p1/BbP1p3/kN6/pN3RK1/8

#2

9 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Sa1!
      • threat
        • 2.Sc2#
      • 1...Bxa4
        • 2.Rxa4#
      • 1...Bc3
        • 2.Qxc3#
      • 1...Qf6
        • 2.Bc6#
      • 1...Qe5
        • 2.Bb5#
      • 1...Qg7
        • 2.Bd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • B(g);OGATE,P_SPINB(g),XB(E)::R1(G),XB(g)
      • B(c);N_GUARD,P_SPINQ(f)::QAR2(I),XB(c)
      • Q(f);N_GUARD,P_SPINB(c)::R(G)+B(E)
      • Q(f);P_SPINB(c)::R(G)+B(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).