MESON Chess Problem Database

Problem Display
PID: 139963 (1NB3q1/1Q6/3p2pR/r3kP1N/2b5/3p3n/p2K4/6B1 w - - 0 1)

Battaglia, Emilio

Probleemblad, 1975

1NB3q1/1Q6/3p2pR/r3kP1N/2b5/3p3n/p2K4/6B1

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...gxf5
      • 2.Sd7#
  • Tries
    • 1.Sc6+?
      • 1...Kd5
        • 2.Sf6#
      • 1...Ke4!
    • 1.Qb2+?
      • 1...Kd5
        • 2.Sf6#
        • 2.Bb7#
        • 2.Qd4#
      • 1...Ke4!
  • Keys
    • 1.Ke3!
      • threat
        • 2.Qe4#
      • 1...gxf5
        • 2.Sd7#
      • 1...d5
        • 2.Qc7#
      • 1...Qd5
        • 2.Qg7#
      • 1...Rd5
        • 2.Sc6#
      • 1...Bd5
        • 2.Qb2#
      • 1...Sf2
        • 2.Bh2#
      • 1...Sg5
        • 2.Bh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • P(h);SBLOCK,XP(C)::S(G)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(f);P-FLIGHT::S(D)
      • Refutation
        • K(f);P-FLIGHT
    • Try
      • Q(F);CHECK
      • Refutation
        • K(f);P-FLIGHT
  • Actual
    • K(B);S_FLIGHT
    • Threat
      • QAR1(F)
    • Vars
      • P(h);SBLOCK,XP(C)::S(G)
      • P(g);OGATEB,SBLOCK::QAB(F)
      • Q(i);N_GUARD,SBLOCK::QAB(F)
      • R(e);SBLOCK::S(G)
      • B(d);SBLOCK::QAB(F)
      • S(c);N_GUARD::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).