MESON Chess Problem Database

Problem Display
PID: 2209 (8/5p2/3ppQPB/1B6/4k3/6K1/8/8 w - - 0 1)

Cook, Eugene Beauharnais

Source?, 0000

8/5p2/3ppQPB/1B6/4k3/6K1/8/8

#2

5 + 4

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Qf4#
  • Tries
    • 1.Bg7?
      • threat
        • 2.Qf3#
      • 1...Ke3
        • 2.Qd4#
        • 2.Qf4#
      • 1...Kd5
        • 2.Qd4#
      • 1...e5!
    • 1.Qd4+?
      • 1...Kf5
        • 2.Bd3#
      • 1...Kxd4!
  • Keys
    • 1.Be3!
      • 1...Kxe3
        • 2.Qf4#
      • 1...Kd5
        • 2.Qd4#
      • 1...fxg6
        • 2.Qxe6#
      • 1...d5
        • 2.Qf4#
      • 1...e5
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::QAR1(C)
  • Tries
    • Try
      • B(E);
      • Threat
        • QAB1(C)
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • P(c);
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
  • Actual
    • B(E);
    • Vars
      • K(a);P-FLIGHT,XB(E)::QAB1(C)
      • K(a);S_FLIGHT::QAR1(C)
      • P(d);N_GUARD,XP(D)::QAR2(C),XP(c)
      • P(b);SBLOCK::QAR1(C)
      • P(c);SBLOCK::QAB1(C)
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