MESON Chess Problem Database

Problem Display
PID: 244672 (6N1/1K6/6R1/3pk3/8/8/2QP4/8 w - - 0 1)

Chernyavsky, Mykola Vasilovich

ChessStar, 2010

6N1/1K6/6R1/3pk3/8/8/2QP4/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sh6?
      • 1...Kf4
        • 2.Qf5#
      • 1...d4
        • 2.Qf5#
      • 1...Kd4!
    • 1.Rf6?
      • 1...d4
        • 2.Qf5#
      • 1...Kd4!
  • Keys
    • 1.Se7!
      • 1...Kd4
        • 2.Sc6#
      • 1...Kf4
        • 2.Qf5#
      • 1...d4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Vars
        • K(b);S_FLIGHT::QAR1(A)
        • P(a);SBLOCK::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(C);
      • Vars
        • P(a);SBLOCK::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(b);S_FLIGHT::S(E)
      • K(b);S_FLIGHT::QAR1(A)
      • P(a);SBLOCK::QAR1(A)
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