MESON Chess Problem Database

Problem Display
PID: 168905 (4K1N1/p7/r3p1p1/4kpb1/3R4/8/1B3P2/8 w - - 0 1)

Palkoska, Emil

Checkmate, 1903

4K1N1/p7/r3p1p1/4kpb1/3R4/8/1B3P2/8

#2

5 + 7

14868 Pirnie Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bh4
      • 2.f4#
    • 1...Bf6
      • 2.f4#
    • 1...Be7
      • 2.f4#
    • 1...Bd8
      • 2.f4#
  • Keys
    • 1.Sf6!
      • threat
        • 2.Sd7#
      • 1...Kxf6
        • 2.Rd6#
      • 1...Bxf6
        • 2.f4#
      • 1...f4
        • 2.Rd5#
      • 1...Rd6
        • 2.Re4#

This is a version of 164662

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • B(c);N_GUARD::P(B)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(a);S_FLIGHT,XS(E)::B(A)+R(C)
      • B(c);N_GUARD,SBLOCK,XS(E)::P(B)
      • P(b);SBLOCK::B(A)+R(C),DCHECK
      • R(d);SBLOCK::B(A)+R(C),DCHECK
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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).