MESON Chess Problem Database

Problem Display
PID: 2658 (8/4Q3/K1k1p3/2Nqn3/P1p1P3/2P3B1/8/8 w - - 0 1)

Rowland, Frideswide F (Mrs TB, nee Beechey)

Source?, 0000

8/4Q3/K1k1p3/2Nqn3/P1p1P3/2P3B1/8/8

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.Qc7#
    • 1...Sf3
      • 2.Qc7#
    • 1...Sg4
      • 2.Qc7#
    • 1...Sg6
      • 2.Qc7#
    • 1...Sf7
      • 2.Qc7#
  • Tries
    • 1.Qb7+?
      • 1...Kxc5
        • 2.Qb6#
      • 1...Kd6!
  • Keys
    • 1.Sb7!
      • 1...Qa5+
        • 2.Sxa5#
      • 1...Qb5+
        • 2.axb5#
      • 1...Qxe4
        • 2.Qd6#
      • 1...Qd7
        • 2.Qc5#
      • 1...Qd1
        • 2.Sa5#
      • 1...Qd2
        • 2.Sa5#
      • 1...Qd3
        • 2.Sa5#
      • 1...Qd4
        • 2.Sa5#
      • 1...Qc5
        • 2.Sd8#
      • 1...Qd6
        • 2.Qxd6#
      • 1...Qd8
        • 2.Sxd8#
      • 1...Sd3
        • 2.Qc7#
      • 1...Sf3
        • 2.Qc7#
      • 1...Sg4
        • 2.Qc7#
      • 1...Sg6
        • 2.Qc7#
      • 1...Sd7
        • 2.Sd8#
      • 1...Sf7
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • S(c);::QAR1(G)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • K(d);P-FLIGHT,XS(E)::QAB1(G)
      • Refutation
        • K(d);P-FLIGHT,P_SPINS(c)
  • Actual
    • S(E);
    • Vars
      • Q(b);CHECK,N_GUARD::S(E),XQ(b)
      • Q(b);CHECK,OGATE::P(C),XQ(b)
      • Q(b);N_GUARD,XP(D)::QAR1(G)
      • Q(b);N_GUARD,SBLOCK::QAR1(G)
      • Q(b);N_GUARD::S(E)
      • Q(b);N_GUARD::QAR1(G),XQ(b)
      • Q(b);N_GUARD::S(E),XQ(b)
      • S(c);::QAR1(G)
      • S(c);S_CUTQ(b)::S(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).