MESON Chess Problem Database

Problem Display
PID: 228827 (2K5/3N4/8/2Bk4/2r4N/1Q6/4b3/2R5 w - - 0 1)

Teed, Frank Melville

Preston Guardian, 1881

(First published on Wed May 11 1881)

2K5/3N4/8/2Bk4/2r4N/1Q6/4b3/2R5

#2

6 + 3

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Qb7#
  • Tries
    • 1.Qxc4+?
      • 1...Kc6
        • 2.Se5#
        • 2.Sb8#
      • 1...Bxc4!
  • Keys
    • 1.Re1!
      • 1...Ke4
        • 2.Qxc4#
        • 2.Qf3#
      • 1...Kc6
        • 2.Qb7#
      • 1...Ke6
        • 2.Qxc4#
      • 1...Bd1
        • 2.Qb7#
      • 1...Bf1
        • 2.Qb7#
      • 1...Bd3
        • 2.Qb7#
      • 1...Bf3
        • 2.Qb7#
      • 1...Bg4
        • 2.Qb7#
      • 1...Bh5
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(c);N_PINB(D),N_SPINR(b),S_FLIGHT::QAB1(B)
  • Tries
    • Try
      • Q(B);CHECK,N_SPINB(D),XR(b)
      • Refutation
        • B(a);XQ(B)
  • Actual
    • R(A);
    • Vars
      • K(c);N_PINB(D),N_SPINR(b),S_FLIGHT::QAB1(B)
      • K(c);P_SPINB(a),S_FLIGHT::QAB(B),XR(b)
      • B(a);::QAB(B)
      • B(a);P_PINS(E)::QAB(B)
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).