MESON Chess Problem Database

Problem Display
PID: 215294 (K1Q5/8/8/1N1k4/B5N1/8/4P3/8 w - - 0 1)

Klipachev, Vladimir Panteleevich

Zadachi i Etyudi, 1999

K1Q5/8/8/1N1k4/B5N1/8/4P3/8

#2

6 + 1

3713 Snap 2020
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Se3+?
      • 1...Ke5
        • 2.Qf5#
      • 1...Ke4!
    • 1.Sh6?
      • 1...Ke5
        • 2.Qf5#
      • 1...Ke4!
    • 1.Sd6?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kxd6!
    • 1.Qc3?
      • 1...Ke4
        • 2.Qe5#
        • 2.Qf3#
      • 1...Ke6!
    • 1.Qc7?
      • 1...Ke4
        • 2.Qe5#
      • 1...Ke6!
  • Keys
    • 1.Qf8!
      • 1...Kc4
        • 2.Se3#
      • 1...Ke4
        • 2.Qf3#
      • 1...Kc6
        • 2.Qd6#
      • 1...Ke6
        • 2.Sc7#

Anticipated by 158952(1976), 79334(1988)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
      • Refutation
        • K(a);P-FLIGHT,XS(D)
    • Try
      • Q(F);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(F);
    • Vars
      • K(a);S_FLIGHT::S(C)
      • K(a);S_FLIGHT::QAB1(F)
      • K(a);S_FLIGHT::QAR1(F)
      • K(a);S_FLIGHT::S(D)
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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).