MESON Chess Problem Database

Problem Display
PID: 56832 (4K3/3R1N2/7R/3B1p2/1Pbk1r2/8/2P4B/3N1n2 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Daily News, 1901

4K3/3R1N2/7R/3B1p2/1Pbk1r2/8/2P4B/3N1n2

#2

9 + 5

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...Rf2
      • 2.Be5#
    • 1...Rf3
      • 2.Be5#
    • 1...Rg4
      • 2.Be5#
    • 1...Rh4
      • 2.Be5#
    • 1...Bd3
      • 2.c3#
  • Tries
    • 1.Bg1+?
      • 1...Se3
        • 2.Bxe3#
      • 1...Rf2!
  • Keys
    • 1.Rh4!
      • threat
        • 2.Rxf4#
      • 1...Re4+
        • 2.Be5#
      • 1...Rxh4
        • 2.Be5#
      • 1...Rg4
        • 2.Be5#
      • 1...Bd3
        • 2.c3#
      • 1...Sd2
        • 2.Bg1#
      • 1...Sg3
        • 2.Bg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(d);OGATE::B(C)
    • B(b);SBLOCK::P(B)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::B(C),XS(a)
      • Refutation
        • R(d);P_SPINR(d)
  • Actual
    • R(F);P_PINR(d)
    • Threat
      • R(F),XR(d)
    • Vars
      • R(d);CHECK,OGATE::B(C)
      • R(d);N_SPINR(d),OGATE,XR(F)::B(C)
      • R(d);OGATE::B(C)
      • B(b);SBLOCK::P(B)
      • S(a);N_GUARD::B(C)
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).