MESON Chess Problem Database

Problem Display
PID: 76528 (4b3/5p2/8/p2Q1P2/kp6/8/K7/8 w - - 0 1)

Myerscough, Frank

The Tablet, 1933

(First published on Sat Feb 11 1933)

4b3/5p2/8/p2Q1P2/kp6/8/K7/8

#2

3 + 5

15239 Valois Notebooks 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bb5
      • 2.Qb3#
    • 1...Bc6
      • 2.Qxc6#
    • 1...Bd7
      • 2.Qxd7#
    • 1...b3+
      • 2.Qxb3#
  • Tries
    • 1.Kb2?
      • 1...b3
        • 2.Qxb3#
        • 2.Qc4#
      • 1...Bc6
        • 2.Qxc6#
      • 1...Bb5
        • 2.Qa2#
        • 2.Qb3#
      • 1...Bd7
        • 2.Qxd7#
      • 1...f6!
    • 1.Qd1+?
      • 1...b3+
        • 2.Qxb3#
      • 1...Kb5!
  • Keys
    • 1.f6!
      • 1...b3+
        • 2.Qxb3#
      • 1...Bb5
        • 2.Qb3#
      • 1...Bc6
        • 2.Qxc6#
      • 1...Bd7
        • 2.Qxd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(e);SBLOCK::QAB1(B)
    • B(e);N_GUARD::QAB(B),XB(e)
    • P(b);CHECK::QAB1(B),XP(b)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • B(e);N_GUARD::QAB(B),XB(e)
      • Refutation
        • P(d);
    • Try
      • Q(B);CHECK
      • Vars
        • P(b);CHECK,P_SPINP(b)::QAB1(B),XP(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(C);
    • Vars
      • P(b);CHECK::QAB1(B),XP(b)
      • B(e);SBLOCK::QAB1(B)
      • B(e);N_GUARD::QAB(B),XB(e)
HTML5 logo

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).