MESON Chess Problem Database

Problem Display
PID: 244675 (3N4/8/8/2K1R3/5k1N/8/8/4Q3 w - - 0 1)

Chernyavsky, Mykola Vasilovich

Problemist Ukraini, 2012

3N4/8/8/2K1R3/5k1N/8/8/4Q3

#2

5 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qf2+?
      • 1...Kxe5
        • 2.Qd4#
        • 2.Qf5#
      • 1...Kg4!
    • 1.Qb4+?
      • 1...Kxe5
        • 2.Qd4#
      • 1...Kg3!
    • 1.Qd1?
      • 1...Kxe5
        • 2.Qd4#
      • 1...Kg3!
  • Keys
    • 1.Qg1!
      • 1...Kxe5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT,XR(D)::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT,XR(D)::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT,XR(D)::QAB1(A)
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).