MESON Chess Problem Database

Problem Display
PID: 224317 (N3K3/8/2N4Q/3k4/P7/2p5/2P5/3B4 w - - 0 1)

Ladd, Herbert T

Brownson's Chess Journal, 1887

N3K3/8/2N4Q/3k4/P7/2p5/2P5/3B4

#2

7 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qd6+?
      • 1...Kc4
        • 2.Sa5#
        • 2.Se5#
        • 2.Sb6#
        • 2.Be2#
        • 2.Qd4#
      • 1...Ke4
        • 2.Qe5#
      • 1...Kxd6!
    • 1.Qf6?
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke4
        • 2.Qe5#
        • 2.Qf3#
      • 1...Kc5!
  • Keys
    • 1.Qf8!
      • 1...Kc4
        • 2.Sb6#
      • 1...Ke4
        • 2.Qf3#
      • 1...Kxc6
        • 2.Bf3#
      • 1...Ke6
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR1(E)
      • Refutation
        • K(b);P-FLIGHT,XQ(E)
    • Try
      • Q(E);
      • Vars
        • K(b);S_FLIGHT::QAR1(E)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(b);S_FLIGHT::S(F)
      • K(b);S_FLIGHT::QAB1(E)
      • K(b);S_FLIGHT,XS(D)::B(A)
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