MESON Chess Problem Database

Problem Display
PID: 275192 (3R4/6B1/2p1K1p1/2NnP3/1P1k4/1P1p1Pb1/3P4/r7 w - - 0 1)

Lyness, Robert Cranston

British Chess Magazine, 1935

3R4/6B1/2p1K1p1/2NnP3/1P1k4/1P1p1Pb1/3P4/r7

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe5
      • 2.Bxe5#
  • Keys
    • 1.Kd6!
      • threat
        • 2.Se6#
      • 1...Bxe5+
        • 2.Bxe5#
      • 1...Sf4
        • 2.e6#
      • 1...Sc7
        • 2.Kxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(c);OGATE,P_SPINB(c),XP(F)::B(H),XB(c)
  • Actual
    • K(G);N_PINS(e),P-FLIGHT,P_SPINP(F)
    • Threat
      • S(E)
    • Vars
      • B(c);CHECK,OGATE,P_SPINB(c),XP(F)::B(H),XB(c)
      • S(e);N_PINP(F)::B(H)+P(F)
      • S(e);::R(I)+K(G),XS(e)
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