MESON Chess Problem Database

Problem Display
PID: 238209 (8/2R5/3N4/P7/kp5B/8/1K6/8 w - - 0 1)

Murashev, Pavel Aleksandrovich

Kudesnik, 2011

8/2R5/3N4/P7/kp5B/8/1K6/8

#2

5 + 2

15148 Sadier Collection 2021
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Be1?
      • 1...b3
        • 2.Rc4#
      • 1...Kxa5!
    • 1.Bf2?
      • 1...Kxa5
        • 2.Ra7#
      • 1...b3!
  • Keys
    • 1.Bd8!
      • 1...Kxa5
        • 2.Ra7#
      • 1...b3
        • 2.Rc4#

Anticipated by 213697(1977)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Vars
        • P(b);OGATEB::R(E)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b),XP(C)
    • Try
      • B(B);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(C)::R(E)
      • Refutation
        • P(b);
  • Actual
    • B(B);
    • Vars
      • K(a);OGATEB,P-FLIGHT,XP(C)::B(B)+R(E),DCHECK
      • P(b);OGATEB::R(E)
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).