MESON Chess Problem Database

Problem Display
PID: 183208 (8/8/6p1/4p2Q/2Pk4/1p1PN1P1/3BP3/3K4 w - - 0 1)

Molnar, Elek

Magyar Sakklap, 1907

8/8/6p1/4p2Q/2Pk4/1p1PN1P1/3BP3/3K4

#2

8 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Qd5#
  • Tries
    • 1.Qxg6?
      • threat
        • 2.Qb6#
        • 2.Qd6#
      • 1...e4
        • 2.Qd6#
      • 1...Kc5!
  • Keys
    • 1.Bb4!
      • 1...Kxe3
        • 2.Bc5#
      • 1...gxh5
        • 2.Sf5#
      • 1...b2
        • 2.Sc2#
      • 1...e4
        • 2.Qc5#
      • 1...g5
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATE::QAR1(H)
  • Tries
    • Try
      • Q(H);XP(d)
      • Threat
        • DUALS(2)
      • Vars
        • P(c);::QAR2(H)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(b);S_FLIGHT,XS(E)::B(B)
      • P(d);N_GUARD,XQ(H)::S(E)
      • P(a);N_GUARD::S(E)
      • P(c);OGATE::QAB1(H)
      • P(d);N_GUARD::S(E)
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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).