MESON Chess Problem Database

Problem Display
PID: 8157 (8/4p3/8/8/2QKN3/5k2/8/7R w - - 0 1)

Krizhanivsky, Vasil Viktorovich

The Problemist, 1995

8/4p3/8/8/2QKN3/5k2/8/7R

#2

4 + 2

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Kg2
      • 2.Qf1#
  • Tries
    • 1.Ke5?
      • 1...Kg2
        • 2.Qf1#
      • 1...Ke3
        • 2.Rh3#
      • 1...Kg4
        • 2.Qe2#
      • 1...e6!
    • 1.Rg1?
      • threat
        • 2.Qf1#
      • 1...Kf4
        • 2.Qf1#
        • 2.Qf7#
      • 1...e5+!
    • 1.Qe2+?
      • 1...Kf4
        • 2.Rf1#
      • 1...Kxe2!
    • 1.Qf7+?
      • 1...Ke2
        • 2.Qh5#
        • 2.Qf1#
        • 2.Qf2#
      • 1...Kg2
        • 2.Qf1#
      • 1...Kg4!
  • Keys
    • 1.Qe6!
      • 1...Ke2
        • 2.Qg4#
      • 1...Kg2
        • 2.Qh3#
      • 1...Kf4
        • 2.Rf1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(B)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
        • K(a);P-FLIGHT::R(A)
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • P(b);
    • Try
      • R(A);
      • Threat
        • QAR2(B)
      • Refutation
        • P(b);CHECK
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(a);S_FLIGHT::QAB(B)
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);P-FLIGHT::R(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).