MESON Chess Problem Database

Problem Display
PID: 224742 (8/2K5/8/2pkp3/4R3/3bQ3/4N3/3r4 w - - 0 1)

Schram, Ferdinand

Wiener Hausfrauen-Zeitung, 1887

8/2K5/8/2pkp3/4R3/3bQ3/4N3/3r4

#2

4 + 5

5454 Near Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bc4
      • 2.Rxe5#
    • 1...c4
      • 2.Rxe5#
  • Keys
    • 1.Qf4!
      • threat
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Ke6
        • 2.Rxe5#
      • 1...Bxe4
        • 2.Qf7#
      • 1...exf4
        • 2.Sc3#

This anticipates 138975(2010)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(b);SBLOCK::R1(C),XP(e)
    • P(c);SBLOCK::R1(C),XP(e)
  • Actual
    • Q(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(d);P_SPINP(e),S_FLIGHT::R1(C),XP(e)
      • B(b);SBLOCK,XR(C)::QAB(B)
      • P(e);XQ(B)::S(A)
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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).