MESON Chess Problem Database

Problem Display
PID: 207464 (8/p4p2/K2Q1B2/1Pp5/2P5/1p2p3/1P2N3/kB1R4 w - - 0 1)

Ernst, Erich

Badische Neueste Nachrichten, 1986

8/p4p2/K2Q1B2/1Pp5/2P5/1p2p3/1P2N3/kB1R4

#2

9 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Kb7?
      • threat
        • 2.Qa6#
      • 1...a6
        • 2.Qxa6#
      • 1...a5!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sxb3#
      • 1...Kxb2
        • 2.Sc2#
      • 1...cxd4
        • 2.Qa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(G);S_FLIGHT
      • Threat
        • QAR(H)
      • Vars
        • P(e);::QAR(H),XP(e)
      • Refutation
        • P(e);
  • Actual
    • S(D);
    • Threat
      • S(D),XP(b)
    • Vars
      • K(a);S_FLIGHT,XP(C)::B(I)+S(D)
      • P(d);OGATE,XS(D)::QAR2(H)
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