MESON Chess Problem Database

Problem Display
PID: 214648 (8/p1KpBn2/p1bN4/kp6/1R6/P7/8/2Q5 w - - 0 1)

von Abranyi, Zoltan

Allgemeine Sportzeitung, 1880

8/p1KpBn2/p1bN4/kp6/1R6/P7/8/2Q5

#2

6 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bb7
      • 2.Sxb7#
  • Tries
    • 1.Ra4+?
      • 1...bxa4
        • 2.Qd2#
        • 2.Qe1#
        • 2.Qc3#
      • 1...Kxa4!
  • Keys
    • 1.Kb8!
      • 1...Kb6
        • 2.Sc4#
      • 1...Sxd6
        • 2.Bd8#
      • 1...Bh1
        • 2.Qc7#
      • 1...Bg2
        • 2.Qc7#
      • 1...Bf3
        • 2.Qc7#
      • 1...Be4
        • 2.Qc7#
      • 1...Bd5
        • 2.Qc7#
      • 1...Bb7
        • 2.Qc7#
      • 1...Ba8
        • 2.Qc7#
      • 1...Se5
        • 2.Bd8#
      • 1...Sg5
        • 2.Bd8#
      • 1...Sh6
        • 2.Bd8#
      • 1...Sd8
        • 2.Bxd8#
      • 1...Sh8
        • 2.Bd8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • B(d);N_GUARD::S(D),XB(d)
  • Tries
    • Try
      • R(C);CHECK
      • Refutation
        • K(a);P-FLIGHT,XR(C)
  • Actual
    • K(E);S_FLIGHT
    • Vars
      • K(a);P_SPINP(b),S_FLIGHT::S(D)
      • S(g);N_GUARD,XS(D)::B(F)
      • B(d);OGATE::QAB(A)
      • S(g);N_GUARD::B(F)
      • S(g);N_GUARD::B(F),XS(g)
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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).