MESON Chess Problem Database

Problem Display
PID: 178765 (8/8/8/6Q1/5Np1/6k1/8/6K1 w - - 0 1)

Falk, Lars

Springaren, 1985

8/8/8/6Q1/5Np1/6k1/8/6K1

#2

3 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Kf1?
      • 1...Kh2
        • 2.Qh4#
      • 1...Kf3!
    • 1.Se2+?
      • 1...Kh3
        • 2.Qh6#
        • 2.Qh5#
      • 1...Kf3!
    • 1.Sd5?
      • 1...Kf3
        • 2.Qe3#
      • 1...Kh3!
    • 1.Sg6?
      • threat
        • 2.Qe3#
      • 1...Kh3
        • 2.Qh4#
      • 1...Kf3!
  • Keys
    • 1.Sg2!
      • threat
        • 2.Qe3#
      • 1...Kf3
        • 2.Qe3#
      • 1...Kh3
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::QAR2(C)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
    • Try
      • S(B);CHECK
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);N_SPINP(b),P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
    • Try
      • S(B);
      • Threat
        • QAR2(C)
      • Vars
        • K(a);N_SPINP(b),P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
  • Actual
    • S(B);
    • Threat
      • QAR2(C)
    • Vars
      • K(a);N_SPINP(b),P-FLIGHT::QAR1(C)
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