MESON Chess Problem Database

Problem Display
PID: 93164 (1B4K1/1P2pp2/4k3/7P/4N3/1P6/6B1/3Q4 w - - 0 1)

Maximov, Nikolai J

Tidskrift for Schack, 1911

1B4K1/1P2pp2/4k3/7P/4N3/1P6/6B1/3Q4

#2

8 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qg4+?
      • 1...Kd5
        • 2.Qd7#
      • 1...f5!
    • 1.Qd3?
      • 1...Kf5
        • 2.Bh3#
        • 2.Qh3#
      • 1...f6
        • 2.Sc5#
      • 1...f5!
    • 1.Qd4?
      • 1...Kf5
        • 2.Bh3#
      • 1...f5
        • 2.Sc5#
        • 2.Sg5#
      • 1...f6!
  • Keys
    • 1.Qc2!
      • 1...Kd5
        • 2.Qc4#
      • 1...Kf5
        • 2.Bh3#
      • 1...Kd7
        • 2.Qc8#
      • 1...f6
        • 2.Sc5#
      • 1...f5
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR2(A)
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • Q(A);
      • Vars
        • P(c);SBLOCK::S(D)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • P(c);
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);S_FLIGHT::B(B)
      • P(c);SBLOCK::S(D)
      • P(c);SBLOCK::QAR2(A)
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