MESON Chess Problem Database

Problem Display
PID: 189834 (8/8/2Kp2N1/3P1NP1/4k3/2P1nR2/4Bp1q/8 w - - 0 1)

Szekely, Jeno

Magyar Sakkujsag, 1912

8/8/2Kp2N1/3P1NP1/4k3/2P1nR2/4Bp1q/8

#2

8 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Qg1
      • 2.Sxd6#
      • 2.Rf4#
    • 1...Qg3
      • 2.Sxg3#
    • 1...Qf4
      • 2.Rxf4#
    • 1...Qh1
      • 2.Sg3#
      • 2.Sxd6#
      • 2.Rf4#
    • 1...Qg2
      • 2.Sxd6#
      • 2.Rf4#
    • 1...Qh3
      • 2.Sxd6#
      • 2.Rf4#
    • 1...Qh4
      • 2.Sxd6#
    • 1...Qh5
      • 2.Sg3#
      • 2.Sxd6#
      • 2.Rf4#
    • 1...Qh6
      • 2.Sg3#
      • 2.Sxd6#
      • 2.Rf4#
    • 1...Qh7
      • 2.Sg3#
      • 2.Sxd6#
      • 2.Rf4#
    • 1...Qh8
      • 2.Sg3#
      • 2.Sxd6#
      • 2.Rf4#
  • Keys
    • 1.Rg3!
      • threat
        • 2.Sxd6#
      • 1...Kxf5
        • 2.Bd3#
      • 1...Qxg3
        • 2.Sxg3#
      • 1...Sxf5
        • 2.Bd3#
      • 1...Sc4
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • Q(b);N_GUARD::S(E),XQ(b)
    • Q(b);N_GUARD::R1(C),XQ(b)
    • Q(b);N_GUARD::S(E),XP(e)
  • Actual
    • R(C);
    • Threat
      • S(E),XP(e)
    • Vars
      • K(d);S_FLIGHT,XS(E)::B(A)
      • Q(b);XR(C)::S(E),XQ(b)
      • S(c);SBLOCK,XS(E)::B(A)
      • S(c);::B(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).