MESON Chess Problem Database

Problem Display
PID: 160944 (8/1k1P4/4K3/QP6/8/8/8/8 w - - 0 1)

Agarkov, Anatoly Yakovlevich

Komsomolets Zaporozhya, 1973

8/1k1P4/4K3/QP6/8/8/8/8

#2

4 + 1

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Qb6+?
      • 1...Ka8
        • 2.d8Q#
        • 2.d8R#
      • 1...Kxb6!
    • 1.Qc7+?
      • 1...Ka8
        • 2.d8Q#
        • 2.d8R#
      • 1...Kxc7!
    • 1.Qa6+?
      • 1...Kb8
        • 2.d8Q#
      • 1...Kc7!
    • 1.d8B?
      • 1...Kc8
        • 2.Qc7#
        • 2.Qa8#
      • 1...Kb8!
  • Keys
    • 1.b6!
      • 1...Kc6
        • 2.d8S#
      • 1...Kb8
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(D);
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(B);
    • Vars
      • K(a);S_FLIGHT::P=S
      • K(a);P-FLIGHT::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).