MESON Chess Problem Database

Problem Display
PID: 184373 (7B/1Q6/8/8/4pkB1/8/7N/4K3 w - - 0 1)

Klipachev, Vladimir Panteleevich

Kudesnik, 2018

7B/1Q6/8/8/4pkB1/8/7N/4K3

#2

5 + 2

5454 Near Snap 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qd5?
      • 1...Ke3
        • 2.Qd2#
      • 1...e3
        • 2.Qe5#
      • 1...Kg3!
    • 1.Qb6?
      • 1...Kg3
        • 2.Qf2#
      • 1...Kg5
        • 2.Qf6#
      • 1...e3!
    • 1.Qc7+?
      • 1...Ke3
        • 2.Qg3#
      • 1...Kg5!
    • 1.Qf7+?
      • 1...Kg3
        • 2.Qf2#
      • 1...Kg5
        • 2.Qf6#
      • 1...Ke3!
    • 1.Qb8+?
      • 1...Ke3
        • 2.Qg3#
      • 1...Kg5!
  • Keys
    • 1.Qb2!
      • 1...Ke3
        • 2.Qd2#
      • 1...Kg3
        • 2.Qf2#
      • 1...Kg5
        • 2.Qf6#
      • 1...e3
        • 2.Qe5#

Anticipated by 117356(1991), 54288(2004), 225181(2004)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Vars
        • K(b);S_FLIGHT::QAB1(D)
        • P(a);::QAB1(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(b);S_FLIGHT::QAB1(D)
      • Refutation
        • P(a);
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAR2(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAB1(D)
        • K(b);S_FLIGHT::QAB1(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAR2(D)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(D);
    • Vars
      • K(b);S_FLIGHT::QAB1(D)
      • P(a);::QAB1(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).