MESON Chess Problem Database

Problem Display
PID: 175422 (2b5/3n1p2/8/6Q1/1KP1k3/8/4P3/B7 w - - 0 1)

Salvi Fabregas, Jose

Problemes d'Echecs, 1899

2b5/3n1p2/8/6Q1/1KP1k3/8/4P3/B7

#2

5 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Qe5#
    • 1...Se5
      • 2.Qxe5#
    • 1...Sb6
      • 2.Qe5#
    • 1...Sf6
      • 2.Qe5#
    • 1...Sb8
      • 2.Qe5#
    • 1...Sf8
      • 2.Qe5#
  • Tries
    • 1.Qg3?
      • threat
        • 2.Qf3#
      • 1...Se5
        • 2.Qxe5#
      • 1...Kf5!
  • Keys
    • 1.Bd4!
      • threat
        • 2.Qg4#
      • 1...Kxd4
        • 2.Qf4#
      • 1...Sc5
        • 2.Qe5#
      • 1...Se5
        • 2.Qxe5#
      • 1...Sb6
        • 2.Qe5#
      • 1...Sf6
        • 2.Qe5#
      • 1...Sb8
        • 2.Qe5#
      • 1...Sf8
        • 2.Qe5#
      • 1...f5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::QAR1(E)
    • S(b);N_GUARD::QAR1(E),XS(b)
  • Tries
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • S(b);N_GUARD::QAR1(E),XS(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(A);
    • Threat
      • QAR2(E)
    • Vars
      • K(a);P-FLIGHT,XB(A)::QAR2(E)
      • S(b);N_GUARD::QAR1(E)
      • S(b);N_GUARD::QAR1(E),XS(b)
      • P(c);SBLOCK::QAR1(E)
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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).