MESON Chess Problem Database

Problem Display
PID: 259708 (1b6/p2nQ3/4N3/2N3K1/3P4/1R1PkpB1/1R6/7n w - - 0 1)

Grassano, Carlos A

Tolosa-100 MT (Problemas), 2016

1b6/p2nQ3/4N3/2N3K1/3P4/1R1PkpB1/1R6/7n

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bf4+
      • 2.Bxf4#
    • 1...Sf2
      • 2.Bxf2#
    • 1...Se5
      • 2.Bf4#
  • Tries
    • 1.Sc7+?
      • 1...Se5
        • 2.Qxe5#
      • 1...Kxd4!
    • 1.Sg7+?
      • 1...Be5
        • 2.Sf5#
      • 1...Se5
        • 2.Sf5#
      • 1...Kxd4!
  • Keys
    • 1.d5!
      • threat
        • 2.d4#
      • 1...Bf4+
        • 2.Bxf4#
      • 1...Sxc5
        • 2.Qxc5#
      • 1...Sf2
        • 2.Bxf2#
      • 1...Se5
        • 2.Bf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(f);CHECK,N_GUARD::B(D),XB(f)
    • S(a);N_GUARD::B(D),XS(a)
    • S(e);S_CUTB(f)::B(D)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::QAR2(I),XS(e)
      • Refutation
        • K(b);S_FLIGHT,XP(E)
    • Try
      • S(H);CHECK
      • Vars
        • B(f);P_SPINB(f)::S(H)
        • S(e);P_SPINS(e)::S(H)
      • Refutation
        • K(b);S_FLIGHT,XP(E)
  • Actual
    • P(E);
    • Threat
      • R(B)+P(C)
    • Vars
      • B(f);CHECK,N_GUARD::B(D),XB(f)
      • S(e);OGATE,XS(F)::QAB(I),XS(e)
      • S(a);N_GUARD::B(D),XS(a)
      • S(e);S_CUTB(f)::B(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).