MESON Chess Problem Database

Problem Display
PID: 11081 (8/2p5/2Q2N2/3Pk3/7B/8/1K6/8 w - - 0 1)

Wood, Baruch Harold

Chess, 1936

8/2p5/2Q2N2/3Pk3/7B/8/1K6/8

#2

5 + 2

2838 Fun with Chess Miniatures 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qc3#
  • Tries
    • 1.Bg3+?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf5!
    • 1.Bg5?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf5!
    • 1.Qe6+?
      • 1...Kf4
        • 2.Qe4#
      • 1...Kd4!
    • 1.Qxc7+?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf5!
  • Keys
    • 1.d6!
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kf5
        • 2.Qe4#
      • 1...Ke6
        • 2.Qd5#
      • 1...cxd6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(D)
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);CHECK,XP(b)
      • Vars
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(C);
    • Vars
      • K(a);S_FLIGHT::QAB1(D)
      • K(a);S_FLIGHT::QAR1(D)
      • K(a);P-FLIGHT::QAB1(D)
      • P(b);SBLOCK,XP(C)::QAR1(D)
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