MESON Chess Problem Database

Problem Display
PID: 172010 (8/5Q2/8/r2pnp1r/1p5p/1PNpkp1K/1P6/3RNR2 w - - 0 1)

Apro, Laszlo

Schach, 1956

8/5Q2/8/r2pnp1r/1p5p/1PNpkp1K/1P6/3RNR2

#2

8 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qxe5#
      • 1...Kd4
        • 2.Sc2#
      • 1...Kf4
        • 2.Sg2#
      • 1...d4
        • 2.Rxf3#
      • 1...f4
        • 2.Rxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(H);P_PINS(h)
    • Threat
      • QAR2(H),XS(h)
    • Vars
      • K(b);N_SPINS(h),P_SPINP(a),S_FLIGHT::S(B)
      • K(b);N_SPINS(h),P_SPINP(c),S_FLIGHT::S(B)
      • P(g);SBLOCK::R1(C),XP(c)
      • P(i);SBLOCK::R1(A),XP(a)
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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).