MESON Chess Problem Database

Problem Display
PID: 207218 (8/1Q6/7B/4kp2/1K2P1P1/8/8/8 w - - 0 1)

Chamouillet, M

La Strategie, 1869

8/1Q6/7B/4kp2/1K2P1P1/8/8/8

#2

5 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qd5#
  • Tries
    • 1.exf5?
      • 1...Kd6
        • 2.Bf4#
      • 1...Kf6
        • 2.Qg7#
      • 1...Kd4!
  • Keys
    • 1.gxf5!
      • 1...Kd4
        • 2.Qd5#
      • 1...Kd6
        • 2.Bf4#
      • 1...Kf6
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(E)
  • Tries
    • Try
      • P(B);XP(b)
      • Vars
        • K(a);S_FLIGHT::B(D)
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(C);XP(b)
    • Vars
      • K(a);S_FLIGHT::QAR1(E)
      • K(a);S_FLIGHT::B(D)
      • K(a);S_FLIGHT::QAB1(E)
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