MESON Chess Problem Database

Problem Display
PID: 268477 (3r4/3NQB1b/1p2KB1b/qp3N2/2k5/pr1p1R2/1n1p4/1n6 w - - 0 1)

Caine, Walter Edmund

Eddy, Edwin John

Sunday Referee, 1929

(First published on Sun Sep 15 1929)

3r4/3NQB1b/1p2KB1b/qp3N2/2k5/pr1p1R2/1n1p4/1n6

#2

7 + 13

15239 Valois Notebooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Qc3
      • 2.Sxb6#
    • 1...Qb4
      • 2.Sxb6#
    • 1...Qa4
      • 2.Sxb6#
    • 1...Qa8
      • 2.Sxb6#
    • 1...Rc3
      • 2.Ke5#
    • 1...Rb4
      • 2.Kd6#
    • 1...Rxd7
      • 2.Kxd7#
    • 1...Be3
      • 2.Sxe3#
    • 1...Bf4
      • 2.Rxf4#
    • 1...Bg7
      • 2.Se3#
      • 2.Rf4#
    • 1...Bf8
      • 2.Se3#
      • 2.Rf4#
    • 1...Bxf5+
      • 2.Kxf5#
    • 1...Sc3
      • 2.Se5#
    • 1...b4
      • 2.Sd6#
  • Keys
    • 1.Re3!
      • threat
        • 2.Re4#
      • 1...Bxf5+
        • 2.Kxf5#
      • 1...Rxd7
        • 2.Kxd7#
      • 1...Bxe3
        • 2.Sxe3#
      • 1...Rc3
        • 2.Ke5#
      • 1...Rb4
        • 2.Kd6#
      • 1...b4
        • 2.Sd6#
      • 1...Qc3
        • 2.Sxb6#
      • 1...Qa8
        • 2.Sxb6#
      • 1...Sc3
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • Q(h);N_GUARD::S(E),XP(j)
    • R(e);SBLOCK::B(G)+K(C)
    • R(m);XS(E)::B(G)+K(C),XR(m)
    • B(k);N_GUARD::S(B),XB(k)
    • B(k);N_GUARD::R(A),XB(k)
    • B(l);CHECK,XS(B)::B(G)+K(C),XB(l)
    • S(a);SBLOCK::S(E)
    • P(i);SBLOCK::S(B)
  • Actual
    • R(A);
    • Threat
      • R(A)
    • Vars
      • B(l);CHECK,XS(B)::B(G)+K(C),XB(l)
      • R(m);XS(E)::B(G)+K(C),XR(m)
      • B(k);XR(A)::S(B),XB(k)
      • R(e);SBLOCK::B(G)+K(C)
      • P(i);SBLOCK::S(B)
      • Q(h);N_GUARD::S(E),XP(j)
      • S(a);SBLOCK::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).