MESON Chess Problem Database

Problem Display
PID: 262756 (3b1B2/3Npb2/2RpPPp1/3kPPR1/3Np3/2P4B/8/5K2 w - - 0 1)

Labai, Zoltan

1st Prize, SuperProblem, 2018

3b1B2/3Npb2/2RpPPp1/3kPPR1/3Np3/2P4B/8/5K2

#2

12 + 7

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.Bg2#
  • Tries
    • 1.fxg6?
      • threat
        • 2.exd6#
      • 1...Bxe6
        • 2.Bxe6#
      • 1...dxe5
        • 2.Rxe5#
      • 1...exf6
        • 2.exf6#
      • 1...e3
        • 2.Bg2#
      • 1...Bxg6!
  • Keys
    • 1.exd6!
      • threat
        • 2.fxg6#
      • 1...Bxe6
        • 2.fxe6#
      • 1...gxf5
        • 2.Rxf5#
      • 1...exf6
        • 2.Rc5#
      • 1...e3
        • 2.Bg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATEB::B(C)
  • Tries
    • Try
      • P(F);XP(d)
      • Threat
        • R(G)+P(E),XP(c)
      • Vars
        • B(f);OGATE,XP(I)::B(C),XB(f)
        • P(c);OGATE,P_SPINP(c),XP(E)::R1(G),XP(c)
        • P(e);OGATE,XP(J)::R(G)+P(E),XP(e)
        • P(a);OGATEB::B(C)
      • Refutation
        • B(f);XP(F)
  • Actual
    • P(E);XP(c)
    • Threat
      • R(G)+P(F),XP(d)
    • Vars
      • B(f);OGATE,XP(I)::R(G)+P(F),XB(f)
      • P(d);OGATE,P_SPINP(d),XP(F)::R(G),XP(d)
      • P(e);XP(J)::R1(H)
      • P(a);OGATEB::B(C)
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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).