MESON Chess Problem Database

Problem Display
PID: 176026 (1b6/3p1p1B/2p1qB2/4nP1R/1Np1k1n1/rR3N2/p3b1P1/K1Q5 w - - 0 1)

Szoghy, Jozsef

Schach-Echo, 1936

1b6/3p1p1B/2p1qB2/4nP1R/1Np1k1n1/rR3N2/p3b1P1/K1Q5

#2

10 + 12

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf5
      • 2.Bxf5#
    • 1...Sf2
      • 2.Qe3#
    • 1...Sh2
      • 2.Qe3#
    • 1...Se3
      • 2.Qxe3#
    • 1...Sxf6
      • 2.Qe3#
    • 1...Sh6
      • 2.Qe3#
    • 1...Sd3
      • 2.Sg5#
      • 2.fxe6#
    • 1...Sxf3
      • 2.fxe6#
  • Tries
    • 1.Sd2+?
      • 1...Kf4
        • 2.Bg5#
        • 2.g3#
      • 1...Kd4!
  • Keys
    • 1.g3!
      • threat
        • 2.Qf4#
      • 1...Sxf3
        • 2.fxe6#
      • 1...Se3
        • 2.Qxe3#
      • 1...Sd3
        • 2.Sg5#
      • 1...Sg6
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • Q(i);OGATE,P_SPINQ(i),XP(G)::B(J),XQ(i)
    • S(f);N_GUARD::QAR1(B)
    • S(f);N_GUARD::QAR1(B),XS(f)
    • S(f);N_GUARD,XB(I)::QAR1(B)
    • S(g);N_GUARD,XS(E)::B(J)+P(G),XQ(i)
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(e);P-FLIGHT,P_SPINS(g)
  • Actual
    • P(C);
    • Threat
      • QAR1(B)
    • Vars
      • S(g);N_GUARD,XS(E)::B(J)+P(G),XQ(i)
      • S(f);N_GUARD::QAR1(B),XS(f)
      • S(g);::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).