MESON Chess Problem Database

Problem Display
PID: 214280 (2K5/2P2p2/5p1p/RN2k1bP/1Pp2n1p/2P3NP/4B2B/4R3 w - - 0 1)

Ernst, Erich

Badische Neueste Nachrichten, 1991

2K5/2P2p2/5p1p/RN2k1bP/1Pp2n1p/2P3NP/4B2B/4R3

#2

12 + 8

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Bf3#
    • 1...Ke6
      • 2.Bxc4#
  • Tries
    • 1.Sd4+?
      • 1...Kd6
        • 2.Sgf5#
      • 1...Sd5!
    • 1.Bd1+?
      • 1...Kd5
        • 2.Bf3#
      • 1...Se2!
    • 1.Bg4+?
      • 1...Kd5
        • 2.Bf3#
      • 1...Se2!
  • Keys
    • 1.Sf5!
      • 1...Ke4
        • 2.Sbd6#
      • 1...Kd5
        • 2.Bf3#
      • 1...Kxf5
        • 2.Bg4#
      • 1...Ke6
        • 2.Sbd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);P-FLIGHT::B(B)
    • K(d);P-FLIGHT::R(A)+B(B),DCHECK,XP(a)
  • Tries
    • Try
      • S(I);CHECK
      • Vars
        • K(d);S_FLIGHT::S(E)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • B(B);CHECK
      • Vars
        • K(d);P-FLIGHT::B(B)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • B(B);CHECK
      • Vars
        • K(d);P-FLIGHT::B(B)
      • Refutation
        • S(b);P_SPINS(b)
  • Actual
    • S(E);P_PINS(b)
    • Vars
      • K(d);N_SPINS(b),P-FLIGHT::S(I)
      • K(d);N_SPINS(b),P-FLIGHT::B(B)
      • K(d);N_SPINS(b),P-FLIGHT,XS(E)::B(B)
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