MESON Chess Problem Database

Problem Display
PID: 213047 (Q7/5p2/8/2pN4/3k4/4R3/8/4K3 w - - 0 1)

Kichigin, Viktor Vladimirovich

Land og Folk, 1976

Q7/5p2/8/2pN4/3k4/4R3/8/4K3

#2

4 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sc3?
      • threat
        • 2.Qe4#
      • 1...Kxe3
        • 2.Qe4#
      • 1...Kc4
        • 2.Qa4#
      • 1...c4
        • 2.Qa7#
      • 1...f5!
  • Keys
    • 1.Sf6!
      • threat
        • 2.Qe4#
      • 1...Kxe3
        • 2.Qe4#
      • 1...Kc4
        • 2.Qa4#
      • 1...c4
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • QAR1(D)
      • Vars
        • K(a);S_FLIGHT,XR(B)::QAR1(D)
        • K(a);P-FLIGHT::QAR2(D)
        • P(b);OGATEB,SBLOCK::QAB(D)
      • Refutation
        • P(c);
  • Actual
    • S(C);
    • Threat
      • QAR1(D)
    • Vars
      • K(a);S_FLIGHT,XR(B)::QAR1(D)
      • K(a);P-FLIGHT::QAR2(D)
      • P(b);OGATEB,SBLOCK::QAB(D)
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).