MESON Chess Problem Database

Problem Display
PID: 173129 (8/4p3/2Q5/1p6/3k1B2/1K6/8/8 w - - 0 1)

Howard, David M

Problem Observer, 2000

8/4p3/2Q5/1p6/3k1B2/1K6/8/8

#2

3 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...b4
      • 2.Qc4#
  • Tries
    • 1.Qd7+?
      • 1...Kc5
        • 2.Be3#
      • 1...Ke4!
  • Keys
    • 1.Qe6!
      • 1...Kd3
        • 2.Qe3#
      • 1...Kc5
        • 2.Be3#
      • 1...b4
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD::QAR1(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);P-FLIGHT::QAR1(C)
      • K(a);S_FLIGHT::B(B)
      • P(b);N_GUARD::QAR1(C)
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