MESON Chess Problem Database

Problem Display
PID: 172133 (4b3/1K1ppQ2/4PnP1/6p1/3P1k2/4NpN1/3P1n1P/5R2 w - - 0 1)

Apro, Laszlo

Arbejder-Skak, 1955

4b3/1K1ppQ2/4PnP1/6p1/3P1k2/4NpN1/3P1n1P/5R2

#2

10 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Se4
      • 2.Se2#
      • 2.Sh5#
    • 1...Sg4
      • 2.Sg2#
      • 2.Sd5#
  • Keys
    • 1.Qxe7!
      • threat
        • 2.Qd6#
        • 2.Qxf6#
      • 1...Bxg6
        • 2.Qd6#
      • 1...dxe6
        • 2.Qxf6#
      • 1...g4
        • 2.Qxf6#
      • 1...Sd3
        • 2.Qxf6#
      • 1...S2e4
        • 2.Se2#
      • 1...S2g4
        • 2.Sg2#
      • 1...S6e4
        • 2.Sh5#
      • 1...S6g4
        • 2.Sd5#
      • 1...Sd5
        • 2.Qd6#
      • 1...Sh5
        • 2.Qd6#
      • 1...Sh7
        • 2.Qd6#
      • 1...Sg8
        • 2.Qd6#
      • 1...d6
        • 2.Qxd6#
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(J);N_PINS(e),XP(g)
    • Threat
      • DUALS(2)
    • Vars
      • B(h);XP(H)::QAB(J)
      • P(f);XP(G)::QAR2(J),XS(e)
      • P(d);::QAR2(J),XS(e)
      • S(a);P_SPINP(b)::QAR2(J),XS(e)
      • S(a);P_SPINP(b),SBLOCK::S(E)
      • S(a);P_SPINP(b),SBLOCK::S(D)
      • S(e);N_GUARD,SBLOCK::S(E)
      • S(e);N_GUARD,SBLOCK::S(D)
      • S(e);::QAB(J)
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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).