MESON Chess Problem Database

Problem Display
PID: 183341 (8/5p2/2B1p2B/2p1k3/3R4/8/1K6/Q7 w - - 0 1)

Atamanova, Margarita

Kudesnik, 2018

8/5p2/2B1p2B/2p1k3/3R4/8/1K6/Q7

#2

5 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Bg7#
  • Tries
    • 1.Qf1?
      • threat
        • 2.Qf4#
      • 1...f5
        • 2.Bg7#
      • 1...Kxd4!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qf4#
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kf5
        • 2.Qg5#
      • 1...Kf6
        • 2.Qg5#
      • 1...f5
        • 2.Bg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(d);N_GUARD,SBLOCK::B(E)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • P(d);N_GUARD::B(E)
      • Refutation
        • K(b);S_FLIGHT,XR(C)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XR(C)::QAB1(A)
      • K(b);P-FLIGHT::QAR1(A)
      • K(b);S_FLIGHT::QAB1(A)
      • P(d);N_GUARD,SBLOCK::B(E)
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