MESON Chess Problem Database

Problem Display
PID: 18604 (1Q6/2R4K/2p1p1Np/r5kr/RB4Np/1pbB1p1P/1qn2P2/8 w - - 0 1)

Hjelle, David

Chess Life, 1957

1Q6/2R4K/2p1p1Np/r5kr/RB4Np/1pbB1p1P/1qn2P2/8

#2

10 + 12

3976 FIDE Album (1956-1958) 1961

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Be7#
      • 2.Qd8#
    • 1...Sd4
      • 2.Be7#
      • 2.Qd8#
    • 1...e5
      • 2.Be7#
      • 2.Qd8#
  • Tries
    • 1.Sf4?
      • threat
        • 2.Sxe6#
      • 1...Re5
        • 2.Be7#
      • 1...Sd4
        • 2.Rg7#
      • 1...e5
        • 2.Se6#
        • 2.Be7#
      • 1...Kxf4!
    • 1.Rxa5+?
      • 1...Be5
        • 2.Be7#
        • 2.Qd8#
      • 1...e5
        • 2.Be7#
        • 2.Qd8#
      • 1...c5!
  • Keys
    • 1.Sf8!
      • threat
        • 2.Sxe6#
      • 1...Kf4
        • 2.Sxe6#
      • 1...Re5
        • 2.Be7#
      • 1...Sd4
        • 2.Rg7#
      • 1...e5
        • 2.Se6#
        • 2.Be7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Threat
        • S(G),XP(k)
      • Vars
        • R(g);S_CUTB(d)::B(E)
        • S(b);S_CUTB(d)::R(H)
      • Refutation
        • K(h);S_FLIGHT,XS(G)
    • Try
      • R(D);CHECK,XR(g)
      • Refutation
        • P(j);P_SPINP(j)
  • Actual
    • S(G);
    • Threat
      • S(G),XP(k)
    • Vars
      • K(h);S_FLIGHT::S(G),XP(k)
      • R(g);S_CUTB(d)::B(E)
      • S(b);S_CUTB(d)::R(H)
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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).