MESON Chess Problem Database

Problem Display
PID: 261597 (8/4B3/8/3pkP2/6K1/3R1P2/8/8 w - - 0 1)

Esslinger, Fritz

Neue Zurcher Zeitung, 1897

8/4B3/8/3pkP2/6K1/3R1P2/8/8

#2

5 + 2

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Ra3?
      • 1...d4
        • 2.Ra5#
      • 1...Kd4!
    • 1.Rb3?
      • 1...d4
        • 2.Rb5#
      • 1...Kd4!
  • Keys
    • 1.Rc3!
      • 1...Kd4
        • 2.Bf6#
      • 1...d4
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);
      • Vars
        • P(a);OGATEB,SBLOCK::R(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • P(a);OGATEB,SBLOCK::R(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(A);
    • Vars
      • K(b);N_GUARD,S_FLIGHT::B(E)
      • P(a);OGATEB,SBLOCK::R(A)
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