MESON Chess Problem Database

Problem Display
PID: 164568 (8/Q7/6R1/5N1p/4k3/7K/4P3/8 w - - 0 1)

Dasni, Shamil Ade

Novi Temi, 1979

8/Q7/6R1/5N1p/4k3/7K/4P3/8

#2

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qd4#
  • Tries
    • 1.Se7?
      • 1...Kf4
        • 2.Qd4#
      • 1...Ke5
        • 2.Qe3#
      • 1...h4!
    • 1.Qe3+?
      • 1...Kd5
        • 2.Qd4#
      • 1...Kxf5!
    • 1.Qc5?
      • 1...h4
        • 2.Rg4#
      • 1...Kf4!
    • 1.Qa5?
      • 1...h4
        • 2.Rg4#
      • 1...Kf4!
  • Keys
    • 1.Rf6!
      • threat
        • 2.Qd4#
      • 1...Kf4
        • 2.Qe3#
      • 1...Kd5
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(E)
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • Q(E);
      • Vars
        • P(b);N_GUARD::R(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);
      • Vars
        • P(b);N_GUARD::R(D)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(D);
    • Threat
      • QAR1(E)
    • Vars
      • K(a);P-FLIGHT::QAB1(E)
      • K(a);S_FLIGHT::QAR1(E)
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