MESON Chess Problem Database

Problem Display
PID: 10463 (8/3pnB1q/6R1/4Nk1p/3pR1pP/3P2pN/1p1P2p1/1Kb3n1 w - - 0 1)

Rice, John Michael

The Problemist, 1964

8/3pnB1q/6R1/4Nk1p/3pR1pP/3P2pN/1p1P2p1/1Kb3n1

#2

9 + 12

3174 The Two-move Chess Problem Tradition and Development 1966
5174 Chess Problem Spectrum 2003

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Be6#
    • 1...d6
      • 2.Be6#
  • Keys
    • 1.Sxd7!
      • threat
        • 2.Rf4#
        • 2.Re5#
        • 2.Rg5#
        • 2.Rf6#
      • 1...Qxg6
        • 2.Rf4#
        • 2.Re5#
      • 1...Qxf7
        • 2.Rg5#
      • 1...Bxd2
        • 2.Re5#
        • 2.Rf6#
      • 1...Sxh3
        • 2.Rf6#
      • 1...Sxg6
        • 2.Be6#
      • 1...gxh3
        • 2.Rg5#
        • 2.Rf6#
      • 1...Qg8
        • 2.Rf4#
        • 2.Re5#
        • 2.Rf6#
      • 1...Qh6
        • 2.Re5#
      • 1...Qg7
        • 2.Rf4#
      • 1...Qh8
        • 2.Rf4#
        • 2.Rg5#
      • 1...Se2
        • 2.Re5#
        • 2.Rg5#
        • 2.Rf6#
      • 1...Sf3
        • 2.Rf4#
        • 2.Rf6#
      • 1...Sd5
        • 2.Re5#
        • 2.Rg5#
      • 1...Sc6
        • 2.Rf4#
        • 2.Rg5#
        • 2.Rf6#
      • 1...Sg8
        • 2.Rf4#
        • 2.Re5#
        • 2.Rg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • P(j);N_GUARD::B(I)
  • Actual
    • S(G);XP(j)
    • Threat
      • DUALS(4)
    • Vars
      • Q(l);XB(I)::R1(H)
      • S(b);XS(D)::R1(H)
      • S(k);SBLOCK,XR(H)::B(I)
      • Q(l);::R1(E)
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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).