MESON Chess Problem Database

Problem Display
PID: 246651 (5B2/8/3N4/3Pk3/1K6/8/Q6P/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Magadanskaya Pravda, 1993

5B2/8/3N4/3Pk3/1K6/8/Q6P/8

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qb1?
      • 1...Kd4
        • 2.Qe4#
      • 1...Kxd5
        • 2.Qe4#
      • 1...Kf6
        • 2.Qf5#
      • 1...Kf4!
    • 1.Qb3?
      • 1...Kd4
        • 2.Bg7#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kf6!
    • 1.Qc2?
      • 1...Kd4
        • 2.Qe4#
      • 1...Kxd5
        • 2.Qe4#
      • 1...Kf6
        • 2.Qf5#
      • 1...Kf4!
    • 1.Qe2+?
      • 1...Kd4
        • 2.Qe4#
      • 1...Kf4
        • 2.Bh6#
      • 1...Kxd5
        • 2.Qe4#
      • 1...Kf6!
  • Keys
    • 1.Qg2!
      • 1...Kd4
        • 2.Qe4#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kf6
        • 2.Qg7#

FEATURES

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