MESON Chess Problem Database

Problem Display
PID: 48010 (5B2/8/8/6k1/2Q4N/8/6K1/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Koster, 1987

5B2/8/8/6k1/2Q4N/8/6K1/8

#2

4 + 1

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Kf3?
      • 1...Kh5
        • 2.Qg4#
      • 1...Kf6!
    • 1.Kg3?
      • 1...Kh5
        • 2.Qb5#
        • 2.Qd5#
        • 2.Qg4#
        • 2.Qc5#
      • 1...Kf6!
    • 1.Kh3?
      • 1...Kh5
        • 2.Qb5#
        • 2.Qd5#
        • 2.Qg4#
        • 2.Qc5#
      • 1...Kf6!
    • 1.Qb4?
      • 1...Kf6
        • 2.Qe7#
      • 1...Kh5!
    • 1.Qe4?
      • 1...Kf6
        • 2.Qf5#
        • 2.Qe7#
      • 1...Kh5!
    • 1.Qg4+?
      • 1...Kf6
        • 2.Qf5#
      • 1...Kxg4!
  • Keys
    • 1.Qe2!
      • 1...Kf4
        • 2.Bh6#
      • 1...Kxh4
        • 2.Be7#
      • 1...Kf6
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
  • Actual
    • Q(B);
    • Vars
      • K(a);S_FLIGHT::B(D)
      • K(a);S_FLIGHT,XS(C)::B(D)
      • K(a);S_FLIGHT::QAB1(B)
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