MESON Chess Problem Database

Problem Display
PID: 217862 (7b/7b/8/4pp2/8/RNP2k2/2p3R1/K1B4B w - - 0 1)

Sparke, Arthur M

British Chess Magazine, 1920

7b/7b/8/4pp2/8/RNP2k2/2p3R1/K1B4B

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Rg3#
  • Tries
    • 1.Sd4+?
      • 1...Ke4
        • 2.Rg3#
      • 1...exd4!
  • Keys
    • 1.c4!
      • threat
        • 2.Sc5#
      • 1...e4+
        • 2.Sd4#
      • 1...Ke4
        • 2.Rg3#
      • 1...f4
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(C)+R(D)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(b);S_FLIGHT::B(C)+R(D)
      • Refutation
        • P(c);XS(F)
  • Actual
    • P(G);
    • Threat
      • R(E)+S(F)
    • Vars
      • P(c);CHECK,SBLOCK::R(E)+S(F),DCHECK
      • K(b);S_FLIGHT::B(C)+R(D)
      • P(d);SBLOCK::R(E)+S(F),DCHECK
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