MESON Chess Problem Database

Problem Display
PID: 102049 (6Q1/8/2P5/4N3/4pR2/4k3/5R2/3K4 w - - 0 1)

Crake, James

Bradford Observer, 1882

6Q1/8/2P5/4N3/4pR2/4k3/5R2/3K4

#2

6 + 2

5454 Near Snap 2009
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Rg2?
      • 1...Kxf4
        • 2.Qg5#
      • 1...Kd4!
  • Keys
    • 1.Sf3!
      • 1...Kxf2
        • 2.Qg1#
      • 1...Kd3
        • 2.Qb3#
      • 1...Kxf4
        • 2.Qg5#
      • 1...exf3
        • 2.R2xf3#

This anticipates 96826(1945), 98485(1963), 187098(1994-1995), 88717(2000)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XR(C)::QAB1(F)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XR(B)::QAB1(F)
      • K(a);P-FLIGHT::QAR2(F)
      • K(a);OGATEB,S_FLIGHT,XR(C)::QAB1(F)
      • P(b);OGATE,XS(D)::R1(B),XP(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).