MESON Chess Problem Database

Problem Display
PID: 218609 (8/8/7N/PN1k4/8/8/3K3B/5Q2 w - - 0 1)

Winter-Wood, Edward John

Charleston Sunday News, 1882

8/8/7N/PN1k4/8/8/3K3B/5Q2

#2

6 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qg2#
      • 2.Qd3#
      • 2.Qh1#
      • 2.Qf5#
    • 1...Ke6
      • 2.Qf7#
  • Tries
    • 1.Kc3?
      • threat
        • 2.Qc4#
      • 1...Ke4
        • 2.Qd3#
      • 1...Kc5
        • 2.Qc4#
      • 1...Ke6
        • 2.Qf7#
      • 1...Kc6!
    • 1.Sd6?
      • threat
        • 2.Qc4#
      • 1...Kd4
        • 2.Qc4#
      • 1...Kc5
        • 2.Qc4#
      • 1...Ke6
        • 2.Qf7#
      • 1...Kc6!
    • 1.Bd6?
      • 1...Ke4
        • 2.Qg2#
        • 2.Qd3#
        • 2.Qh1#
        • 2.Qf5#
      • 1...Ke6
        • 2.Qf5#
        • 2.Qf7#
      • 1...Kc6!
    • 1.Qc1?
      • 1...Ke4
        • 2.Qh1#
        • 2.Qc6#
      • 1...Ke6!
  • Keys
    • 1.Sa3!
      • threat
        • 2.Qc4#
      • 1...Kd4
        • 2.Qc4#
      • 1...Ke4
        • 2.Qd3#
      • 1...Kc5
        • 2.Qc4#
      • 1...Kc6
        • 2.Qb5#
      • 1...Ke6
        • 2.Qf7#

This is a version of 141158

FEATURES

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