MESON Chess Problem Database

Problem Display
PID: 96940 (1Bb3n1/3Q3p/2BK2R1/2p3Np/7p/6k1/8/3Nn1br w - - 0 1)

Bakcsi, Gyorgy

3rd Prize, Szoghy TT, 1959

1Bb3n1/3Q3p/2BK2R1/2p3Np/7p/6k1/8/3Nn1br

#2

7 + 10

6490 yacpdb 2009
56 The Problemist 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Kh2
      • 2.Ke6#
    • 1...Kf4
      • 2.Kd5#
    • 1...Bh2
      • 2.Kxc5#
    • 1...Sf6
      • 2.Ke7#
    • 1...Sh6
      • 2.Ke7#
    • 1...Se7
      • 2.Kxe7#
  • Tries
    • 1.Sf3+?
      • 1...Kf4
        • 2.Ke6#
      • 1...hxg6!
    • 1.Sh3+?
      • 1...Kh2
        • 2.Kd5#
      • 1...hxg6!
    • 1.Sf7+?
      • 1...Kh2
        • 2.Kd5#
      • 1...Kf4
        • 2.Ke6#
      • 1...hxg6!
  • Keys
    • 1.Sxh7+!
      • 1...Kh2
        • 2.Kd5#
      • 1...Kf4
        • 2.Ke6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • K(d);S_FLIGHT::B(G)+K(D)
    • B(b);SBLOCK::B(G)+K(D),XP(f)
    • S(j);::B(G)+K(D)
    • S(j);::B(G)+K(D),XS(j)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(d);S_FLIGHT::B(G)+K(D)
      • Refutation
        • P(h);XR(E)
    • Try
      • S(B);CHECK
      • Vars
        • K(d);S_FLIGHT::B(G)+K(D)
      • Refutation
        • P(h);XR(E)
    • Try
      • S(B);CHECK
      • Vars
        • K(d);S_FLIGHT::B(G)+K(D)
      • Refutation
        • P(h);XR(E)
  • Actual
    • S(B);CHECK,XP(h)
    • Vars
      • K(d);S_FLIGHT::B(G)+K(D)
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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).