MESON Chess Problem Database

Problem Display
PID: 243269 (N4K2/3kp2B/Q4P2/8/8/8/8/8 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

ChessStar, 2017

N4K2/3kp2B/Q4P2/8/8/8/8/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bf5+?
      • 1...Kd8
        • 2.Qd3#
        • 2.Qc8#
        • 2.Qa5#
        • 2.Qb6#
        • 2.fxe7#
      • 1...e6!
    • 1.Qc6+?
      • 1...Kd8
        • 2.Qe8#
        • 2.Qc7#
        • 2.fxe7#
      • 1...Kxc6!
    • 1.Qe6+?
      • 1...Kd8
        • 2.fxe7#
      • 1...Kxe6!
  • Keys
    • 1.Qb6!
      • 1...Kc8
        • 2.Qc7#
      • 1...exf6
        • 2.Bf5#
      • 1...e5
        • 2.Bf5#
      • 1...e6
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::P(B),XP(b)
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
      • P(b);N_GUARD,XP(B)::B(C)
      • P(b);N_GUARD::B(C)
      • P(b);SBLOCK::QAR1(A)
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