MESON Chess Problem Database

Problem Display
PID: 62657 (8/4K3/3PN3/1pP1N3/b1r1k1P1/4P3/Q1p1R2B/8 w - - 0 1)

McArthur, Sgt Maj William

British Chess Magazine, 1888

8/4K3/3PN3/1pP1N3/b1r1k1P1/4P3/Q1p1R2B/8

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.e4#
    • 1...Rc3
      • 2.Sg5#
    • 1...Rb4
      • 2.Sg5#
    • 1...Rd4
      • 2.Sg5#
      • 2.exd4#
    • 1...Rxc5
      • 2.Sxc5#
      • 2.Sg5#
    • 1...Bb3
      • 2.Qa8#
    • 1...b4
      • 2.Qxc4#
  • Keys
    • 1.Re1!
      • 1...Kd5
        • 2.e4#
      • 1...Rxc5
        • 2.Sxc5#
        • 2.Sg5#
      • 1...c1Q
        • 2.Qg2#
      • 1...c1S
        • 2.Qg2#
      • 1...c1B
        • 2.Qg2#
      • 1...c1R
        • 2.Qg2#
      • 1...Rc3
        • 2.Sg5#
      • 1...Rb4
        • 2.Sg5#
      • 1...Rd4
        • 2.Sg5#
        • 2.exd4#
      • 1...Bb3
        • 2.Qa8#
      • 1...b4
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(d);OGATE,P_SPINR(c),S_FLIGHT::P(D)
    • R(c);::S(I)
    • B(b);OGATE::QAB(A)
    • P(e);N_GUARD::QAR2(A),XR(c)
  • Actual
    • R(B);
    • Vars
      • K(d);OGATE,P_SPINR(c),S_FLIGHT::P(D)
      • P(a);OGATE::QAB(A)
      • R(c);::S(I)
      • B(b);OGATE::QAB(A)
      • P(e);N_GUARD::QAR2(A),XR(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).