MESON Chess Problem Database

Problem Display
PID: 208871 (6Q1/2N5/8/5P2/4k2P/8/4P3/1N1K2B1 w - - 0 1)

Becker, Chris

Newark Sunday Call, 1876

6Q1/2N5/8/5P2/4k2P/8/4P3/1N1K2B1

#2

8 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sd5?
      • threat
        • 2.Qe6#
      • 1...Ke5
        • 2.Qe6#
      • 1...Kxf5!
    • 1.Be3?
      • threat
        • 2.Qe6#
      • 1...Ke5
        • 2.Qe6#
      • 1...Kxf5
        • 2.Qe6#
      • 1...Kxe3!
  • Keys
    • 1.e3!
      • threat
        • 2.Qd5#
      • 1...Kd3
        • 2.Qd5#
      • 1...Kf3
        • 2.Sd2#
      • 1...Ke5
        • 2.Qe6#
      • 1...Kxf5
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Threat
        • QAR2(H)
      • Vars
        • K(a);P-FLIGHT::QAR1(H)
      • Refutation
        • K(a);S_FLIGHT,XP(F)
    • Try
      • B(C);
      • Threat
        • QAR2(H)
      • Vars
        • K(a);P-FLIGHT::QAR1(H)
        • K(a);S_FLIGHT,XP(F)::QAB1(H)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
  • Actual
    • P(D);
    • Threat
      • QAB1(H)
    • Vars
      • K(a);S_FLIGHT::QAR2(H)
      • K(a);S_FLIGHT::S(A)
      • K(a);P-FLIGHT::QAR1(H)
      • K(a);S_FLIGHT,XP(F)::QAB1(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).