MESON Chess Problem Database

Problem Display
PID: 196871 (b4Q2/2n1p3/1qB4P/3n1N1p/1p1Pp3/5k2/4N1R1/7K w - - 0 1)

Barroso, Victor Manuel Diez

Brisbane Courier, 1919

b4Q2/2n1p3/1qB4P/3n1N1p/1p1Pp3/5k2/4N1R1/7K

#2

8 + 9

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Sh4#
    • 1...Sf4
      • 2.Sg1#
    • 1...e3
      • 2.Sd6#
  • Tries
    • 1.Qg7?
      • threat
        • 2.Qg3#
      • 1...h4
        • 2.Qg4#
      • 1...e3!
    • 1.Qg8?
      • threat
        • 2.Qg3#
      • 1...h4
        • 2.Qg4#
      • 1...e3!
  • Keys
    • 1.Qf7!
      • threat
        • 2.Qxh5#
      • 1...e3
        • 2.Sd6#
      • 1...Sf6
        • 2.Qb3#
      • 1...Se3
        • 2.Sh4#
      • 1...Sf4
        • 2.Sg1#
      • 1...h4
        • 2.Qh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(d);P_SPINP(c),SBLOCK::QAR(H)+S(E),DCHECK
    • S(d);P_SPINP(c),SBLOCK::S(B)
    • P(c);P_SPINS(d),SBLOCK::QAR(H)+S(E)
  • Tries
    • Try
      • Q(H);
      • Threat
        • QAR1(H)
      • Vars
        • P(e);N_GUARD::QAB1(H)
      • Refutation
        • P(c);P_SPINS(d)
    • Try
      • Q(H);
      • Threat
        • QAR1(H)
      • Vars
        • P(e);N_GUARD::QAB1(H)
      • Refutation
        • P(c);P_SPINS(d)
  • Actual
    • Q(H);
    • Threat
      • QAB(H),XP(e)
    • Vars
      • P(c);P_SPINS(d),SBLOCK::QAR(H)+S(E)
      • S(d);OGATE,P_SPINP(c)::QAR(H)
      • S(d);P_SPINP(c),SBLOCK::QAR(H)+S(E),DCHECK
      • S(d);P_SPINP(c),SBLOCK::S(B)
      • P(e);::QAB(H)
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).