MESON Chess Problem Database

Problem Display
PID: 5038 (n4RK1/6R1/3pk2N/q7/2N5/8/6B1/8 w - - 0 1)

Anonymous

Philadelphia Ledger, 1897

n4RK1/6R1/3pk2N/q7/2N5/8/6B1/8

#2

6 + 4

3360 Simple Two-move Themes 1924

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Bh3#
  • Keys
    • 1.Sf7!
      • 1...Kf5
        • 2.Sd8#
      • 1...Kf6
        • 2.Sg5#
        • 2.Sd8#
      • 1...Kd7
        • 2.Sg5#
      • 1...Ke7
        • 2.Sg5#
        • 2.Sd8#
      • 1...Qe1
        • 2.Sg5#
        • 2.Sd8#
      • 1...Qd2
        • 2.Sd8#
      • 1...Qc3
        • 2.Sg5#
        • 2.Sd8#
      • 1...Qb4
        • 2.Sg5#
        • 2.Sd8#
      • 1...Qb6
        • 2.Sg5#
      • 1...Qc7
        • 2.Sg5#
      • 1...Qd8
        • 2.Sxd8#
      • 1...Qa1
        • 2.Sg5#
        • 2.Sd8#
      • 1...Qa2
        • 2.Sg5#
        • 2.Sd8#
      • 1...Qa3
        • 2.Sg5#
        • 2.Sd8#
      • 1...Qa4
        • 2.Sg5#
        • 2.Sd8#
      • 1...Qb5
        • 2.Sd8#
      • 1...Qc5
        • 2.Sd8#
      • 1...Qd5
        • 2.Sd8#
      • 1...Qe5
        • 2.Sd8#
      • 1...Qf5
        • 2.Sd8#
      • 1...Qg5
        • 2.Sxg5#
      • 1...Qh5
        • 2.Sd8#
      • 1...Qa6
        • 2.Sg5#
        • 2.Sd8#
      • 1...Qa7
        • 2.Sg5#
        • 2.Sd8#
      • 1...Sb6
        • 2.Sd8#
      • 1...Sc7
        • 2.Sd8#
      • 1...d5
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK,S_CUTQ(a)::B(A)
  • Actual
    • S(C);
    • Vars
      • K(c);S_FLIGHT::R(E)+S(C)
      • K(c);S_FLIGHT::R(D)+S(C)
      • Q(a);N_GUARD::S(C)
      • Q(a);N_GUARD,P_PINR(E)::S(C),XQ(a)
      • Q(a);N_GUARD,P_PINR(D)::S(C),XQ(a)
      • S(d);S_CUTQ(a)::S(C)
      • P(b);S_CUTQ(a)::S(C)
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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).