MESON Chess Problem Database

Problem Display
PID: 79158 (8/8/B4K2/3k4/4N3/8/8/7Q w - - 0 1)

Akimov, Nikolai Nikolaevich

Sachsische Zeitung, 2004

8/8/B4K2/3k4/4N3/8/8/7Q

#2

4 + 1

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Qf3?
      • 1...Kd4
        • 2.Qd3#
      • 1...Kc6!
    • 1.Qd1+?
      • 1...Kc6
        • 2.Qd6#
      • 1...Kxe4!
    • 1.Qh7?
      • 1...Kc6
        • 2.Qb7#
      • 1...Kd4!
  • Keys
    • 1.Qb1!
      • 1...Kd4
        • 2.Qd3#
      • 1...Kc6
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT,XS(B)
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT::QAB1(A)
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