MESON Chess Problem Database

Problem Display
PID: 96299 (4R3/2n5/4bQ2/1P1k4/K5P1/8/7B/8 w - - 0 1)

Braithwaite, Kenneth Holmes

US Problem Bulletin, 1982

4R3/2n5/4bQ2/1P1k4/K5P1/8/7B/8

#2

6 + 3

6490 yacpdb 2009
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rd8+?
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke4
        • 2.Qf4#
      • 1...Kc5
        • 2.Qd4#
      • 1...Bd7!
  • Keys
    • 1.Bg1!
      • threat
        • 2.Qd4#
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke4
        • 2.Qf5#
      • 1...Kd6
        • 2.Rd8#
      • 1...Sxb5
        • 2.Qxe6#

Anticipated by 10437(1964)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(E)
        • K(a);P-FLIGHT::QAB1(E)
      • Refutation
        • B(b);P_PINP(D),P_SPINB(b)
  • Actual
    • B(A);
    • Threat
      • QAR1(E)
    • Vars
      • K(a);S_FLIGHT::QAR1(E)
      • K(a);P_SPINB(b),S_FLIGHT::QAB1(E)
      • K(a);P-FLIGHT,P_SPINB(b)::R(F)
      • S(c);N_GUARD,XP(D)::QAB1(E),XB(b)
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).