MESON Chess Problem Database

Problem Display
PID: 214277 (8/8/8/3Q4/4N3/3N2B1/3Pk3/6K1 w - - 0 1)

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

Land og Folk, 1977

8/8/8/3Q4/4N3/3N2B1/3Pk3/6K1

#2

6 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sc1+?
      • 1...Kf3
        • 2.Qf5#
      • 1...Kd1!
    • 1.Sdf2?
      • 1...Kf3
        • 2.Qd3#
        • 2.Qh5#
      • 1...Ke1!
    • 1.Sdc5?
      • threat
        • 2.Sc3#
        • 2.Qh5#
      • 1...Kf3
        • 2.Qh5#
      • 1...Kd1!
  • Keys
    • 1.Qc4!
      • 1...Kd1
        • 2.Sb2#
      • 1...Kf3
        • 2.Se5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);S_FLIGHT::QAB(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(F);
    • Vars
      • K(a);S_FLIGHT::S(C)
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