MESON Chess Problem Database

Problem Display
PID: 47990 (1Q6/8/p7/K1pk1B2/8/2B5/8/8 w - - 0 1)

Potempski, Waclaw

Shakhmatny Zhurnal, 1892

1Q6/8/p7/K1pk1B2/8/2B5/8/8

#2

4 + 3

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Qb5?
      • 1...Kd6
        • 2.Qd7#
      • 1...axb5!
    • 1.Qb7+?
      • 1...Kd6
        • 2.Qd7#
      • 1...Kc4!
    • 1.Qd8+?
      • 1...Kc6
        • 2.Be4#
        • 2.Qd7#
      • 1...Kc4!
  • Keys
    • 1.Be5!
      • 1...Kc4
        • 2.Qg8#
      • 1...Kc6
        • 2.Qa8#
      • 1...c4
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);P_PINP(a)
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT::QAR1(D)
      • Refutation
        • P(c);N_SPINP(a),XQ(D)
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(b);S_FLIGHT::QAB(D)
      • P(a);SBLOCK::QAR1(D)
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).