MESON Chess Problem Database

Problem Display
PID: 76545 (3R4/2p5/KbkN2n1/2r5/3B4/8/8/2Q5 w - - 0 1)

Cafferata, Louis William

The Tablet, 1935

(First published on Sat Nov 9 1935)

3R4/2p5/KbkN2n1/2r5/3B4/8/8/2Q5

#2

5 + 5

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Qh1#
    • 1...Ba5
      • 2.Qxc5#
  • Keys
    • 1.Sc4!
      • 1...Ra5+
        • 2.Sxa5#
      • 1...Rxc4
        • 2.Qh1#
      • 1...Rb5
        • 2.Sa5#
        • 2.Se5#
      • 1...Rd5
        • 2.Sa5#
        • 2.Se5#
      • 1...Re5
        • 2.Sa5#
        • 2.Sxe5#
      • 1...Rf5
        • 2.Sa5#
        • 2.Se5#
      • 1...Rg5
        • 2.Sa5#
        • 2.Se5#
      • 1...Rh5
        • 2.Sa5#
        • 2.Se5#
      • 1...Ba5
        • 2.Sxa5#
      • 1...Ba7
        • 2.Sa5#
      • 1...Sf4
        • 2.Se5#
      • 1...Sh4
        • 2.Se5#
      • 1...Se5
        • 2.Sxe5#
      • 1...Se7
        • 2.Se5#
      • 1...Sf8
        • 2.Se5#
      • 1...Sh8
        • 2.Se5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • R(a);N_GUARD::QAB(A)
    • B(b);N_GUARD::QAR1(A),XR(a)
  • Actual
    • S(D);N_PINR(a)
    • Vars
      • R(a);CHECK::QAR(A)+S(D),DCHECK,XR(a)
      • R(a);N_GUARD,P_SPINR(a),XS(D)::QAB(A)
      • B(b);N_GUARD::S(D),XB(b)
      • B(b);N_GUARD::S(D)
      • S(d);N_GUARD::S(D)
      • S(d);N_GUARD::S(D),XS(d)
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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).