MESON Chess Problem Database

Problem Display
PID: 207471 (4Q3/8/4Np2/8/4k3/1B6/8/4K3 w - - 0 1)

Davis, Lynn

Dubuque Chess Journal, 1871

4Q3/8/4Np2/8/4k3/1B6/8/4K3

#2

4 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qb5?
      • 1...Ke3
        • 2.Qe2#
      • 1...f5
        • 2.Qe2#
      • 1...Kf3!
  • Keys
    • 1.Qh5!
      • 1...Kd3
        • 2.Qf3#
      • 1...Ke3
        • 2.Qe2#
      • 1...f5
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Vars
        • K(a);P-FLIGHT::QAR1(D)
        • P(b);SBLOCK::QAR2(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);
    • Vars
      • K(a);S_FLIGHT::QAR2(D)
      • K(a);P-FLIGHT::QAR1(D)
      • P(b);SBLOCK::QAR2(D)
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