MESON Chess Problem Database

Problem Display
PID: 2649 (8/5B1n/5p2/8/N3k3/4B3/Q7/7K w - - 0 1)

Richardson, Philip

Source?, 0000

8/5B1n/5p2/8/N3k3/4B3/Q7/7K

#2

5 + 3

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qd5#
      • 2.Qe6#
    • 1...Kf5
      • 2.Qe6#
  • Tries
    • 1.Bh6?
      • threat
        • 2.Qd5#
      • 1...Kd3
        • 2.Qc4#
      • 1...Kf3
        • 2.Qg2#
      • 1...Kd4
        • 2.Qd5#
      • 1...Ke5
        • 2.Qd5#
      • 1...Kf5
        • 2.Qe6#
      • 1...Sg5!
  • Keys
    • 1.Bc1!
      • threat
        • 2.Qd5#
      • 1...Kd3
        • 2.Qc4#
      • 1...Kf3
        • 2.Qg2#
      • 1...Kd4
        • 2.Qd5#
      • 1...Ke5
        • 2.Qd5#
      • 1...Kf5
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(B)
  • Tries
    • Try
      • B(C);
      • Threat
        • QAB1(B)
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • S(c);
  • Actual
    • B(C);
    • Threat
      • QAB1(B)
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);P-FLIGHT::QAR1(B)
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