MESON Chess Problem Database

Problem Display
PID: 218605 (5B1b/8/6b1/3Rp2R/4k3/1K4P1/8/2Q5 w - - 0 1)

Mussini, Luigi

Charleston Sunday News, 1882

5B1b/8/6b1/3Rp2R/4k3/1K4P1/8/2Q5

#2

6 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd5
      • 2.Qc4#
  • Tries
    • 1.Qf4+?
      • 1...Kxd5
        • 2.Qc4#
      • 1...exf4!
    • 1.Qf1?
      • threat
        • 2.Qd3#
      • 1...Kxd5
        • 2.Qc4#
      • 1...Ke3!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Qd3#
      • 1...Kxd5
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P_SPINP(b),S_FLIGHT,XR(D)::QAB1(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,P_SPINP(b),S_FLIGHT,XR(D)::QAB1(A)
      • Refutation
        • P(b);XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);P_SPINP(b),S_FLIGHT,XR(D)::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);P_SPINP(b),S_FLIGHT,XR(D)::QAB1(A)
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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).