MESON Chess Problem Database

Problem Display
PID: 161532 (7B/7Q/8/8/3N1k2/8/8/5K1N w - - 0 1)

Antipov, Viacheslav Pavlovich

Sa ogneupory, 1987

7B/7Q/8/8/3N1k2/8/8/5K1N

#2

5 + 1

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Bf6?
      • 1...Kg4
        • 2.Qf5#
        • 2.Qh4#
      • 1...Ke3!
    • 1.Qh3?
      • 1...Ke4
        • 2.Qf3#
      • 1...Kg5!
    • 1.Qh5?
      • 1...Ke4
        • 2.Qf3#
      • 1...Ke3!
  • Keys
    • 1.Sf2!
      • 1...Ke3
        • 2.Qh6#
      • 1...Kg3
        • 2.Be5#
      • 1...Kg5
        • 2.Se6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);S_FLIGHT::QAB(D)
      • K(a);S_FLIGHT::B(E)
      • K(a);S_FLIGHT::S(C)
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