MESON Chess Problem Database

Problem Display
PID: 262112 (8/4pR2/q1n1rb2/2Pp4/2nN1k2/p4NRp/3prB1P/KB6 w - - 0 1)

Lipton, Michael

British Chess Magazine, 1953

8/4pR2/q1n1rb2/2Pp4/2nN1k2/p4NRp/3prB1P/KB6

#2

9 + 12

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...S4e5
      • 2.Sxe6#
    • 1...S6e5
      • 2.Sxe2#
  • Tries
    • 1.Rxf6+?
      • 1...Rxf6
        • 2.Sxe2#
      • 1...exf6!
  • Keys
    • 1.Sh4!
      • threat
        • 2.Sg6#
      • 1...Ke5
        • 2.Sg6#
      • 1...S4e5
        • 2.Sxe6#
      • 1...S6e5
        • 2.Sxe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(e);N_PINS(G)::S(G),XR(j)
    • S(i);N_PINS(G)::S(G),XR(b)
  • Tries
    • Try
      • R(I);CHECK,N_SPINS(G),XB(k)
      • Vars
        • R(j);XR(I)::S(G),XR(b)
      • Refutation
        • P(l);XR(I)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(f);N_PINS(G),N_SPINB(k),S_FLIGHT::S(E)
      • S(e);N_PINS(G),SBLOCK::S(G),XR(j)
      • S(i);N_PINS(G),SBLOCK::S(G),XR(b)
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