MESON Chess Problem Database

Problem Display
PID: 103513 (6k1/8/6K1/8/8/5P1P/5PQP/8 w - - 0 1)

Ceriani, Luigi

32 Personaggi, 1955

6k1/8/6K1/8/8/5P1P/5PQP/8

#2

6 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Kf6+?
      • 1...Kh7
        • 2.Qg7#
      • 1...Kh8
        • 2.Qg7#
      • 1...Kf8!
    • 1.Qg3?
      • threat
        • 2.Qb8#
      • 1...Kh8
        • 2.Qb8#
      • 1...Kf8!
    • 1.Qg4?
      • threat
        • 2.Qc8#
      • 1...Kh8
        • 2.Qc8#
      • 1...Kf8!
    • 1.f4?
      • threat
        • 2.Qa8#
      • 1...Kh8
        • 2.Qa8#
      • 1...Kf8!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qd8#
      • 1...Kf8
        • 2.Qd8#
      • 1...Kh8
        • 2.Qd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(F);CHECK,P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR(B)
      • Vars
        • K(a);P-FLIGHT::QAR(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR(B)
      • Vars
        • K(a);P-FLIGHT::QAR(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(D);
      • Threat
        • QAR(B)
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(B);
    • Threat
      • QAR(B)
    • Vars
      • K(a);P-FLIGHT::QAR2(B)
      • K(a);P-FLIGHT::QAR(B)
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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).