MESON Chess Problem Database

Problem Display
PID: 235600 (8/8/1pNr4/1NkP3R/Kp1r3B/1P6/8/8 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Mat, 1986

8/8/1pNr4/1NkP3R/Kp1r3B/1P6/8/8

#2

7 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sd8?
      • threat
        • 2.Sb7#
      • 1...R4xd5
        • 2.Bf2#
      • 1...R6xd5
        • 2.Be7#
      • 1...Rd7
        • 2.Se6#
      • 1...Rxd8!
  • Keys
    • 1.Sb8!
      • threat
        • 2.Sa6#
      • 1...R4xd5
        • 2.Bf2#
      • 1...R6xd5
        • 2.Be7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Threat
        • S(G)
      • Vars
        • R(b);OGATEB,P_SPINR(b),XP(E)::B(C)
        • R(e);OGATEB,P_SPINR(e),XP(E)::B(C)
        • R(e);N_GUARD::S(G)
      • Refutation
        • R(e);XS(G)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • R(b);OGATEB,P_SPINR(b),XP(E)::B(C)
      • R(e);OGATEB,P_SPINR(e),XP(E)::B(C)
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