MESON Chess Problem Database

Problem Display
PID: 224220 (8/1Q6/7B/1N2k3/1K6/5P2/8/8 w - - 0 1)

Heintz, George

Baltimore Sunday News, 1888

8/1Q6/7B/1N2k3/1K6/5P2/8/8

#2

5 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qa6?
      • 1...Kd5
        • 2.Qd6#
      • 1...Kf5!
    • 1.Qb6?
      • 1...Kd5
        • 2.Qd6#
      • 1...Kf5!
    • 1.Qe7+?
      • 1...Kd5
        • 2.Qd6#
        • 2.Qe4#
      • 1...Kf5!
  • Keys
    • 1.Sd4!
      • 1...Kxd4
        • 2.Qe4#
      • 1...Kd6
        • 2.Bf4#
      • 1...Kf6
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT,XS(C)::QAR1(E)
      • K(a);S_FLIGHT::B(D)
      • K(a);S_FLIGHT::QAB1(E)
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