MESON Chess Problem Database

Problem Display
PID: 107886 (1N2RB2/4pp2/6Q1/3k4/B7/4P3/4K3/8 w - - 0 1)

Cass, Alvin Cushing

Checkmate, 1901

1N2RB2/4pp2/6Q1/3k4/B7/4P3/4K3/8

#2

7 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Bb3#
      • 2.Qd3#
      • 2.Qc6#
  • Tries
    • 1.Bb3+?
      • 1...Ke5
        • 2.Sc6#
        • 2.Sd7#
        • 2.Rxe7#
      • 1...Kc5!
  • Keys
    • 1.Qf6!
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke4
        • 2.Bc6#
      • 1...Kc5
        • 2.Qd4#
      • 1...exf6
        • 2.Bb3#
      • 1...e5
        • 2.Qc6#
      • 1...e6
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
  • Actual
    • Q(D);
    • Vars
      • K(a);S_FLIGHT::QAR1(D)
      • K(a);P_SPINP(b),S_FLIGHT::B(C)
      • K(a);P-FLIGHT,P_SPINP(b)::QAB1(D)
      • P(b);XQ(D)::B(C)
      • P(b);::QAB1(D)
      • P(b);::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).