MESON Chess Problem Database

Problem Display
PID: 208188 (4K3/8/N6P/1N1k1P2/Pp3p2/8/7Q/1B6 w - - 0 1)

Fitch, Charles Lewis

Detroit Free Press, 1875

4K3/8/N6P/1N1k1P2/Pp3p2/8/7Q/1B6

#2

8 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qd2+?
      • 1...Kc4
        • 2.Qd3#
      • 1...Ke5
        • 2.Qd4#
        • 2.Qd6#
      • 1...Kc6!
    • 1.Qf2?
      • threat
        • 2.Qc5#
      • 1...Ke5
        • 2.Qd4#
      • 1...Kc6
        • 2.Be4#
      • 1...Kc4!
  • Keys
    • 1.Qg1!
      • threat
        • 2.Qc5#
      • 1...Kc4
        • 2.Qg8#
      • 1...Ke5
        • 2.Qd4#
      • 1...Kc6
        • 2.Be4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(B)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(c);P-FLIGHT::QAB1(B)
        • K(c);S_FLIGHT::B(A)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • K(c);S_FLIGHT::QAB(B)
      • K(c);P-FLIGHT::QAB1(B)
      • K(c);S_FLIGHT::B(A)
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