MESON Chess Problem Database

Problem Display
PID: 77992 (7Q/8/3P4/7R/6P1/6kP/3KP3/7B w - - 0 1)

Zgerski, Gennadi Bronislavovich

Probleemblad, 2007

7Q/8/3P4/7R/6P1/6kP/3KP3/7B

#2

8 + 1

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qe5#
  • Tries
    • 1.Ke1?
      • threat
        • 2.Qe5#
      • 1...Kf4
        • 2.Qe5#
      • 1...Kh2!
    • 1.Qa1?
      • 1...Kf2
        • 2.Qe1#
      • 1...Kf4
        • 2.Qe5#
      • 1...Kh2!
  • Keys
    • 1.Qa8!
      • 1...Kf2
        • 2.Qg2#
      • 1...Kh2
        • 2.Qg2#
      • 1...Kf4
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(H)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • QAB(H)
      • Vars
        • K(a);S_FLIGHT::QAB1(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(a);S_FLIGHT::QAB1(H)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(H);
    • Vars
      • K(a);S_FLIGHT::QAR1(H)
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