MESON Chess Problem Database

Problem Display
PID: 153370 (8/8/2R5/k2N4/rR1B4/pp1n4/8/5K2 w - - 0 1)

Harley, Brian

The Observer, 1939

(First published on Sun May 7 1939)

8/8/2R5/k2N4/rR1B4/pp1n4/8/5K2

#2

5 + 5

15290 Harley Scrapbook 2014
15239 Valois Notebooks 2019

SOLUTION

  • SOUND
  • Keys
    • 1.Sc7!
      • threat
        • 2.Rb5#
      • 1...Kxb4
        • 2.Bc3#
      • 1...Rxb4
        • 2.Ra6#
      • 1...Sxb4
        • 2.Bb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);
    • Threat
      • R1(B)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XR(B)::B(C)
      • R(d);SBLOCK,XR(B)::R1(E)
      • S(c);SBLOCK,XR(B)::B(C)
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