MESON Chess Problem Database

Problem Display
PID: 223034 (6b1/Q4R2/4k2r/8/5p1n/BK1B3r/6n1/2b5 w - - 0 1)

Rosner, ?

La Strategie, 1886

6b1/Q4R2/4k2r/8/5p1n/BK1B3r/6n1/2b5

#2

5 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Re7+?
      • 1...Kd5
        • 2.Qc5#
      • 1...Kf6+!
  • Keys
    • 1.Qe7+!
      • 1...Kd5
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(f);S_FLIGHT::QAR1(D)
      • Refutation
        • K(f);CHECK,P-FLIGHT
  • Actual
    • Q(D);CHECK
    • Vars
      • K(f);OGATE,S_FLIGHT::QAB1(D)
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