MESON Chess Problem Database

Problem Display
PID: 208225 (B3R3/1K2PN2/2p3n1/8/2Pbk1P1/4pn2/2P1N3/8 w - - 0 1)

Ernst, Erich

Badische Neueste Nachrichten, 1987

B3R3/1K2PN2/2p3n1/8/2Pbk1P1/4pn2/2P1N3/8

#2

9 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sfe5
      • 2.Sg5#
    • 1...Sf4
      • 2.Sg3#
    • 1...Sge5
      • 2.Sd6#
    • 1...c5
      • 2.Ka6#
      • 2.Kb6#
      • 2.Ka7#
      • 2.Kc7#
      • 2.Kb8#
      • 2.Kc8#
  • Tries
    • 1.Kc8?
      • threat
        • 2.Bxc6#
      • 1...Sfe5
        • 2.Sg5#
      • 1...Sf4
        • 2.Sg3#
      • 1...Sge5
        • 2.Sd6#
      • 1...Sxe7+!
  • Keys
    • 1.Ka6!
      • threat
        • 2.Bxc6#
      • 1...Sfe5
        • 2.Sg5#
      • 1...Sf4
        • 2.Sg3#
      • 1...Sge5
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD,SBLOCK::S(G)
    • S(f);SBLOCK::S(B)
    • S(f);SBLOCK::S(G)
  • Tries
    • Try
      • K(E);P_PINP(e),S_FLIGHT
      • Threat
        • B(H),XP(e)
      • Vars
        • S(b);N_GUARD,SBLOCK::S(G)
        • S(f);SBLOCK::S(B)
        • S(f);SBLOCK::S(G)
      • Refutation
        • S(f);CHECK,P_SPINS(f),XP(F)
  • Actual
    • K(E);P_PINP(e),S_FLIGHT
    • Threat
      • B(H),XP(e)
    • Vars
      • S(b);N_GUARD,SBLOCK::S(G)
      • S(f);SBLOCK::S(B)
      • S(f);SBLOCK::S(G)
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