MESON Chess Problem Database

Problem Display
PID: 172353 (r3k3/1R3R2/2n4K/8/8/8/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Aktsent, 1997

r3k3/1R3R2/2n4K/8/8/8/8/8

#2

3 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kd8
      • 2.Rf8#
    • 1...Sd8
      • 2.Rbe7#
  • Tries
    • 1.Rh7?
      • threat
        • 2.Rh8#
      • 1...Kd8
        • 2.Rh8#
      • 1...Kf8
        • 2.Rh8#
      • 1...Se7!
  • Keys
    • 1.Kg7!
      • threat
        • 2.Rf8#
      • 1...Kd8
        • 2.Rf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • K(c);P-FLIGHT::R(C)
    • S(a);N_GUARD,SBLOCK::R1(B)
  • Tries
    • Try
      • R(C);
      • Threat
        • R(C)
      • Vars
        • K(c);P-FLIGHT::R(C)
      • Refutation
        • S(a);
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • R1(C)
    • Vars
      • K(c);P-FLIGHT::R(C)
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