Problem Display
PID: 281899 (8/2Q4b/3K4/8/3k4/3p4/3P4/8 w - - 0 1)

Sherrard, C

Manchester Weekly Post, 1884

(First published on Sat Dec 6 1884)

8/2Q4b/3K4/8/3k4/3p4/3P4/8

#2

3 + 3


15239 Valois Notebooks 2025
5454 Near Snap 2026

SOLUTION


  • SOUND
  • Sets
    • 1...Be4
      • 2.Qc3#
      • 2.Qc5#
  • Tries
    • 1.Qc6?
      • threat
        • 2.Qa4#
        • 2.Qd5#
      • 1...Be4
        • 2.Qa4#
        • 2.Qc3#
        • 2.Qc5#
      • 1...Bg8!
    • 1.Qa7+?
      • 1...Kc4
        • 2.Qa4#
      • 1...Ke4!
    • 1.Qg7+?
      • 1...Ke4
        • 2.Qg4#
      • 1...Kc4!
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qa4#
      • 1...Kc4
        • 2.Qa4#
      • 1...Ke4
        • 2.Qg4#
      • 1...Bg8
        • 2.Qg4#

This anticipates 255603(1934)

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Refutation
        • B(c);
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR2(C)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);P-FLIGHT,S_CUTB(c)::QAR2(C)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(C);
    • Threat
      • QAR(C)
    • Vars
      • K(b);P-FLIGHT::QAR2(C)
      • K(b);P-FLIGHT,S_CUTB(c)::QAR2(C)
      • B(c);N_GUARD::QAR(C)


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).