MESON Chess Problem Database

Problem Display
PID: 49432 (8/Q7/KR4bq/p2P1p2/3N1k2/3p1Bp1/1B4P1/8 w - - 0 1)

Gold, Samuel

Source?, 0000

8/Q7/KR4bq/p2P1p2/3N1k2/3p1Bp1/1B4P1/8

#2

8 + 7

5166 200 Schachaufgaben 1883

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Se2#
      • 2.Se6#
      • 2.Qb8#
      • 2.Qc7#
  • Tries
    • 1.Bc1+?
      • 1...Ke5
        • 2.Re6#
      • 1...d2!
    • 1.Qb8+?
      • 1...Kg5
        • 2.Qxg3#
      • 1...Ke3!
    • 1.Qc7+?
      • 1...Kg5
        • 2.Qxg3#
      • 1...Ke3!
  • Keys
    • 1.Rb4!
      • threat
        • 2.Se6#
      • 1...Ke3
        • 2.Sb3#
      • 1...Ke5
        • 2.Sb5#
      • 1...Kg5
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • K(c);S_FLIGHT::R1(G)
      • Refutation
        • P(a);P_SPINP(a)
    • Try
      • Q(H);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT::QAR2(H),XP(b)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(H);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT::QAR2(H),XP(b)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(G);
    • Threat
      • R(G)+S(D),DCHECK
    • Vars
      • K(c);S_FLIGHT::QAB(H)+S(D)
      • K(c);S_FLIGHT::B(A)+S(D)
      • K(c);S_FLIGHT::S(D)
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