MESON Chess Problem Database

Problem Display
PID: 145639 (4n3/8/1Q6/8/1PB1k2P/6P1/1K4p1/3b4 w - - 0 1)

Winter-Wood, Edward John

Norwich Mercury, 1906

4n3/8/1Q6/8/1PB1k2P/6P1/1K4p1/3b4

#2

6 + 4

15254 EJWW Scrapbook 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Qe6#
  • Tries
    • 1.Qf2?
      • threat
        • 2.Qf4#
      • 1...Ke5
        • 2.Qf4#
      • 1...Bf3!
    • 1.Qe3+?
      • 1...Kf5
        • 2.Qe6#
      • 1...Kxe3!
    • 1.Qd6?
      • threat
        • 2.Qf4#
      • 1...Ke3
        • 2.Qf4#
      • 1...Kf3
        • 2.Qf4#
      • 1...Kf5
        • 2.Qe6#
      • 1...Sxd6!
    • 1.Qf6?
      • threat
        • 2.Qf4#
      • 1...Ke3
        • 2.Qf4#
      • 1...Sxf6!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Qf4#
      • 1...Kf3
        • 2.Qf4#
      • 1...Kd4
        • 2.Qf4#
      • 1...Ke5
        • 2.Qf4#
      • 1...Kf5
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAB1(F)
  • Tries
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(c);P-FLIGHT::QAB1(F)
      • Refutation
        • B(a);
    • Try
      • Q(F);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT::QAB1(F)
      • Refutation
        • K(c);P-FLIGHT,XQ(F)
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(c);P-FLIGHT::QAB1(F)
        • K(c);S_FLIGHT::QAR1(F)
        • K(c);S_FLIGHT::QAB1(F)
      • Refutation
        • S(d);XQ(F)
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(c);P-FLIGHT::QAB1(F)
      • Refutation
        • S(d);XQ(F)
  • Actual
    • Q(F);
    • Threat
      • QAR1(F)
    • Vars
      • K(c);S_FLIGHT::QAR1(F)
      • K(c);P-FLIGHT::QAR2(F)
      • K(c);P-FLIGHT::QAB1(F)
      • K(c);S_FLIGHT::QAB1(F)
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