MESON Chess Problem Database

Problem Display
PID: 67515 (2B1N3/2qp3K/R1b3N1/2pk4/2n1pbP1/1pPP4/3pR3/Q7 w - - 0 1)

Pape, Edouard

Chess, 1948

2B1N3/2qp3K/R1b3N1/2pk4/2n1pbP1/1pPP4/3pR3/Q7

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Ba4
      • 2.Sf6#
      • 2.dxe4#
    • 1...Bb5
      • 2.Sf6#
      • 2.dxe4#
    • 1...Bb7
      • 2.Sf6#
      • 2.dxe4#
    • 1...Ba8
      • 2.Sf6#
      • 2.dxe4#
    • 1...Se5
      • 2.Sxf4#
    • 1...Sd6
      • 2.Sxc7#
    • 1...exd3
      • 2.Se7#
      • 2.Qh1#
    • 1...d6+
      • 2.Sxc7#
  • Keys
    • 1.Qa4!
      • threat
        • 2.Qxc4#
      • 1...d6+
        • 2.Sxc7#
      • 1...Ke6
        • 2.Qxc4#
      • 1...Bxa4
        • 2.Sf6#
        • 2.dxe4#
      • 1...exd3
        • 2.Se7#
      • 1...Bb5
        • 2.Sf6#
        • 2.dxe4#
      • 1...Sb2
        • 2.Qxe4#
      • 1...Sa3
        • 2.Qxe4#
      • 1...Se3
        • 2.Qxe4#
      • 1...Sa5
        • 2.Qxe4#
      • 1...Se5
        • 2.Sxf4#
      • 1...Sb6
        • 2.Qxe4#
      • 1...Sd6
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(c);SBLOCK,S_CUTQ(i)::S(G),XB(e)
    • S(c);SBLOCK,S_CUTB(e)::S(J),XQ(i)
    • P(j);CHECK,SBLOCK,S_CUTB(e)::S(J),XQ(i)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A),XS(c)
    • Vars
      • P(j);CHECK,SBLOCK,S_CUTB(e)::S(J),XQ(i)
      • K(g);P_SPINB(h),P_SPINP(d),S_FLIGHT::QAB(A),XS(c)
      • P(d);XP(D)::S(G)
      • S(c);OGATE::QAB1(A),XP(d)
      • S(c);SBLOCK,S_CUTQ(i)::S(G),XB(e)
      • S(c);SBLOCK,S_CUTB(e)::S(J),XQ(i)
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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).