MESON Chess Problem Database

Problem Display
PID: 16120 (8/3K4/8/4k2P/1P5Q/4N3/8/8 w - - 0 1)

Predrag, Nikola

Comm., Pula Internet Ty., 2000

8/3K4/8/4k2P/1P5Q/4N3/8/8

#2

5 + 1

5454 Near Snap 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Kc8?
      • 1...Kd6
        • 2.Qf6#
      • 1...Ke6!
    • 1.Ke8?
      • 1...Ke6
        • 2.Qe7#
      • 1...Kd6!
    • 1.Sc2?
      • 1...Kd5
        • 2.Qd4#
      • 1...Kf5!
    • 1.Sg2?
      • 1...Kf5
        • 2.Qf4#
      • 1...Kd5!
    • 1.Sd5?
      • 1...Kf5
        • 2.Qf4#
      • 1...Kxd5!
    • 1.Sf5?
      • 1...Kd5
        • 2.Qd4#
      • 1...Kxf5!
    • 1.Qe4+?
      • 1...Kf6
        • 2.Qe7#
      • 1...Kxe4!
  • Keys
    • 1.Kd8!
      • 1...Kd6
        • 2.Qf6#
      • 1...Ke6
        • 2.Qe7#

Anticipated by 207194(1868), 132928(1985)

This anticipates 161816(2013)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,XS(A)
    • Try
      • S(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,XS(A)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
  • Actual
    • K(E);P-FLIGHT
    • Vars
      • K(a);S_FLIGHT::QAR2(C)
      • K(a);P-FLIGHT::QAR1(C)
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).