MESON Chess Problem Database

Problem Display
PID: 155833 (8/2n1p2K/B7/4pN2/b3k2n/1p2P1p1/1N5b/5Q2 w - - 0 1)

Foschini, Ettore

Nederlandse Bond van Probleemvrienden, 1932

8/2n1p2K/B7/4pN2/b3k2n/1p2P1p1/1N5b/5Q2

#2

6 + 9

1577 Jaarboek 1932

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qc4#
    • 1...Sf3
      • 2.Qd3#
    • 1...Sb5
      • 2.Bb7#
    • 1...Sd5
      • 2.Bd3#
  • Tries
    • 1.Sxa4?
      • threat
        • 2.Sc3#
      • 1...Kd5
        • 2.Qc4#
      • 1...Sf3
        • 2.Qd3#
      • 1...Sb5
        • 2.Bb7#
      • 1...Sd5
        • 2.Sc5#
        • 2.Bd3#
      • 1...Sxf5!
    • 1.Qf4+?
      • 1...Kd5
        • 2.Qc4#
      • 1...exf4!
  • Keys
    • 1.Sd1!
      • threat
        • 2.Sc3#
      • 1...Kd5
        • 2.Qc4#
      • 1...Sxf5
        • 2.Qg2#
      • 1...Sf3
        • 2.Qd3#
      • 1...Sb5
        • 2.Bb7#
      • 1...Sd5
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT::QAB1(A)
    • S(f);SBLOCK::QAB1(A)
    • S(h);N_GUARD,S_CUTB(d)::B(E)
    • S(h);SBLOCK::B(E)
  • Tries
    • Try
      • S(B);XB(d)
      • Threat
        • S(B)
      • Vars
        • K(e);S_FLIGHT::QAB1(A)
        • S(f);SBLOCK::QAB1(A)
        • S(h);N_GUARD::B(E)
      • Refutation
        • S(f);XS(D)
    • Try
      • Q(A);CHECK
      • Vars
        • K(e);OGATE,S_FLIGHT::QAB1(A)
      • Refutation
        • P(g);XQ(A)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • K(e);S_FLIGHT::QAB1(A)
      • S(f);N_GUARD,SBLOCK,XS(D)::QAB(A)
      • S(f);SBLOCK::QAB1(A)
      • S(h);N_GUARD,S_CUTB(d)::B(E)
      • S(h);SBLOCK::B(E)
HTML5 logo

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).