MESON Chess Problem Database

Problem Display
PID: 78479 (8/2Q5/4kp2/8/6N1/1K6/8/1B6 w - - 0 1)

Howard, David M

Problem Observer, 2008

8/2Q5/4kp2/8/6N1/1K6/8/1B6

#2

4 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Kb2?
      • 1...f5
        • 2.Ba2#
      • 1...Kd5!
    • 1.Ka3?
      • 1...f5
        • 2.Ba2#
      • 1...Kd5!
    • 1.Kc3?
      • 1...f5
        • 2.Ba2#
      • 1...Kd5!
    • 1.Ka4?
      • 1...f5
        • 2.Ba2#
      • 1...Kd5!
    • 1.Bd3?
      • 1...f5
        • 2.Bc4#
      • 1...Kd5!
    • 1.Bg6?
      • 1...f5
        • 2.Bf7#
      • 1...Kd5!
    • 1.Bh7?
      • 1...f5
        • 2.Bg8#
      • 1...Kd5!
  • Keys
    • 1.Kb4!
      • 1...Kd5
        • 2.Qd7#
      • 1...f5
        • 2.Ba2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(b);SBLOCK::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(b);SBLOCK::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(b);SBLOCK::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(B);S_FLIGHT
      • Vars
        • P(b);SBLOCK::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • P(b);SBLOCK::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • P(b);SBLOCK::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • P(b);SBLOCK::B(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • K(a);S_FLIGHT::QAR2(D)
      • P(b);SBLOCK::B(A)
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