MESON Chess Problem Database

Problem Display
PID: 60674 (4K3/8/4B3/8/3N4/3p2n1/pR1B1p2/3kr2R w - - 0 1)

McIntyre, Donald Glenoe

Source?, 1946

4K3/8/4B3/8/3N4/3p2n1/pR1B1p2/3kr2R

#2

6 + 6

5639 Some Problems For My Friends 1957

SOLUTION

  • SOUND
  • Sets
    • 1...Rf1
      • 2.Bb3#
    • 1...Rg1
      • 2.Bb3#
    • 1...Rxh1
      • 2.Bb3#
    • 1...Se2
      • 2.Bb3#
    • 1...Se4
      • 2.Bb3#
      • 2.Bg4#
  • Tries
    • 1.Se2?
      • threat
        • 2.Sc3#
      • 1...Kxe2
        • 2.Bg4#
      • 1...Sxe2
        • 2.Bb3#
      • 1...dxe2
        • 2.Bb3#
      • 1...Se4!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Sc3#
      • 1...Ke2
        • 2.Bg4#
      • 1...Se2
        • 2.Bb3#
      • 1...Se4
        • 2.Bg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(b);N_PINB(E)::B(E)
    • R(b);N_PINB(E),N_SPINR(b),XR(A)::B(E)
    • S(f);N_PINB(E)::B(E)
  • Tries
    • Try
      • S(D);N_SPINB(E)
      • Threat
        • S(D)
      • Vars
        • K(a);N_SPINR(b),OGATEB,S_FLIGHT,XS(D)::B(E)
        • S(f);SBLOCK,XS(D)::B(E)
        • P(e);SBLOCK,XS(D)::B(E)
      • Refutation
        • S(f);
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(a);N_PINB(E),N_SPINR(b),S_FLIGHT::B(E)
      • S(f);N_PINB(E),SBLOCK::B(E)
      • S(f);N_PINB(E)::B(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).