MESON Chess Problem Database

Problem Display
PID: 93820 (7K/8/B4p2/8/3pk1p1/1Q4P1/5P2/8 w - - 0 1)

Kvicala, Josef

Ceske listy sachove, 1898

7K/8/B4p2/8/3pk1p1/1Q4P1/5P2/8

#2

5 + 4

6490 yacpdb 2009
5454 Near Snap 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Bb7+?
      • 1...Ke5
        • 2.Qd5#
      • 1...Kf5!
  • Keys
    • 1.f4!
      • 1...Kf5
        • 2.Bd3#
      • 1...gxf4 ep
        • 2.Qe6#
      • 1...d3
        • 2.Qxd3#
      • 1...f5
        • 2.Bb7#

This anticipates 175526(1900)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • P(A);
    • Vars
      • K(b);S_FLIGHT::B(D)
      • P(c);EP,XP(A)::QAR2(B)
      • P(a);::QAB1(B),XP(a)
      • P(d);SBLOCK::B(D)
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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).