MESON Chess Problem Database

Problem Display
PID: 182270 (4K3/7P/6pr/4B1kP/4Q3/8/8/8 w - - 0 1)

von Sponer, Gyorgy Janos Andor

Deutsches Wochenschach, 1906

4K3/7P/6pr/4B1kP/4Q3/8/8/8

#2

5 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rxh5
      • 2.Qf4#
  • Tries
    • 1.Bf6+?
      • 1...Kxh5
        • 2.Qf3#
        • 2.Qe2#
        • 2.Qh4#
      • 1...Kxf6!
  • Keys
    • 1.Bg3!
      • 1...Kxh5
        • 2.Qh4#
      • 1...Kf6
        • 2.Qe5#
      • 1...Rxh5
        • 2.Qf4#
      • 1...Rxh7
        • 2.Qxg6#
      • 1...gxh5
        • 2.Bh4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(c);SBLOCK,XP(C)::QAB1(A)
  • Tries
    • Try
      • B(B);CHECK
      • Refutation
        • K(a);S_FLIGHT,XB(B)
  • Actual
    • B(B);
    • Vars
      • K(a);P-FLIGHT,XP(C)::QAR1(A)
      • K(a);S_FLIGHT::QAB1(A)
      • R(c);SBLOCK,XP(C)::QAB1(A)
      • R(c);N_GUARD,XP(D)::QAR1(A),XP(b)
      • P(b);SBLOCK,XP(C)::B(B)
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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).