MESON Chess Problem Database

Problem Display
PID: 200204 (2bB1Q1r/4n2n/3K4/3B1pPR/2p2kN1/8/3PpN1P/8 w - - 0 1)

Petite, Efren

Problemas, 1990

2bB1Q1r/4n2n/3K4/3B1pPR/2p2kN1/8/3PpN1P/8

#2

10 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Se3?
      • threat
        • 2.Sh3#
        • 2.Sg2#
      • 1...Sxg5
        • 2.Sg2#
      • 1...e1S
        • 2.Sh3#
      • 1...Sxd5!
    • 1.Se5?
      • threat
        • 2.Sh3#
      • 1...Sxd5
        • 2.Rh4#
      • 1...Sxg5!
    • 1.Sh6?
      • threat
        • 2.Sh3#
      • 1...Sxg5
        • 2.Rh4#
      • 1...Sxd5!
  • Keys
    • 1.Rh4!
      • threat
        • 2.Sh3#
      • 1...Kxg5
        • 2.Qh6#
      • 1...Sxd5
        • 2.Se5#
      • 1...Sxg5
        • 2.Sh6#

This is a version

Version of J. Elbaz.

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • S(f);XP(F)::S(D)
        • P(a);::S(B)
      • Refutation
        • S(e);XB(E)
    • Try
      • S(D);
      • Threat
        • S(B)
      • Vars
        • S(e);XB(E)::R(G)
      • Refutation
        • S(f);XP(F)
    • Try
      • S(D);
      • Threat
        • S(B)
      • Vars
        • S(f);SBLOCK,XP(F)::R(G)
      • Refutation
        • S(e);XB(E)
  • Actual
    • R(G);
    • Threat
      • S(B)
    • Vars
      • K(c);N_SPINP(d),OGATEB,P_SPINS(e),S_FLIGHT,XP(F)::QAB1(J)
      • S(e);XB(E)::R(G)+S(D)
      • S(f);SBLOCK,XP(F)::R(G)+S(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).