MESON Chess Problem Database

Problem Display
PID: 157915 (1B6/Q6K/8/8/1P2k3/8/5p2/5B2 w - - 0 1)

Amirov, Talip Khasanovich

Tubinskaya Pravda, 1958

1B6/Q6K/8/8/1P2k3/8/5p2/5B2

#2

5 + 2

5454 Near Snap 2016
15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Qc7?
      • 1...Ke3
        • 2.Qf4#
      • 1...Kf3
        • 2.Qf4#
      • 1...Kd4
        • 2.Qe5#
      • 1...Kd5
        • 2.Qc4#
      • 1...Kf5!
    • 1.Qd7?
      • threat
        • 2.Qd3#
      • 1...Ke3
        • 2.Qd3#
      • 1...Kf3!
    • 1.Qe7+?
      • 1...Kf3
        • 2.Qe2#
      • 1...Kd4
        • 2.Qe5#
      • 1...Kf5
        • 2.Bh3#
      • 1...Kd5!
    • 1.Qf7?
      • 1...Ke3
        • 2.Qf4#
      • 1...Kd4!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qd3#
      • 1...Ke3
        • 2.Qd3#
      • 1...Kf3
        • 2.Qe2#
      • 1...Kd4
        • 2.Qd3#
      • 1...Kd5
        • 2.Qc4#
      • 1...Kf5
        • 2.Qg6#

Anticipated by 222384(1884), 92914(1925), 53663(1950)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Vars
        • K(b);P-FLIGHT::QAB1(C)
        • K(b);S_FLIGHT::QAR1(C)
        • K(b);S_FLIGHT::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • K(b);P-FLIGHT::QAR1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAB1(C)
        • K(b);P-FLIGHT::QAB1(C)
        • K(b);S_FLIGHT::B(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(b);P-FLIGHT::QAB1(C)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • K(b);P-FLIGHT::QAR1(C)
      • K(b);S_FLIGHT::QAB1(C)
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