MESON Chess Problem Database

Problem Display
PID: 257769 (8/8/3R2K1/B7/8/6kP/R5P1/8 w - - 0 1)

Nagovitsin, Eduard Nikolaevich

Zadachi i Etyudi, 2007

8/8/3R2K1/B7/8/6kP/R5P1/8

#2

6 + 1

SOLUTION

  • SOUND
  • Sets
    • 1...Kh4
      • 2.Be1#
  • Tries
    • 1.Rd1?
      • 1...Kh2
        • 2.Bc7#
      • 1...Kh4
        • 2.Be1#
      • 1...Kf4!
    • 1.Re6?
      • 1...Kf4
        • 2.Bc7#
      • 1...Kh4
        • 2.Be1#
      • 1...Kh2!
    • 1.Rf6?
      • 1...Kh4
        • 2.Be1#
      • 1...Kh2!
  • Keys
    • 1.Bc7!
      • threat
        • 2.Rd4#
      • 1...Kh2
        • 2.Rd1#
      • 1...Kf4
        • 2.Re6#
      • 1...Kh4
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);N_GUARD,S_FLIGHT::B(D)
  • Tries
    • Try
      • R(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(D);
    • Threat
      • B(D)+R(E)
    • Vars
      • K(a);N_GUARD,S_FLIGHT::B(D)+R(E)
      • K(a);S_FLIGHT::R(E)
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