MESON Chess Problem Database

Problem Display
PID: 261235 (5b2/3r3B/2r4n/4P2R/RB2Nk2/3pp2K/6P1/8 w - - 0 1)

Lipton, Michael

3rd HM., FIDE Review 02. TT(A), 1960

5b2/3r3B/2r4n/4P2R/RB2Nk2/3pp2K/6P1/8

#2

8 + 7

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...e2
      • 2.Bd2#
  • Tries
    • 1.Sd2?
      • threat
        • 2.g3#
      • 1...exd2
        • 2.Bxd2#
      • 1...Sf5
        • 2.Rxf5#
      • 1...Rg6
        • 2.Bd6#
      • 1...Rg7
        • 2.Bc5#
      • 1...e2!
  • Keys
    • 1.Be1!
      • threat
        • 2.Bg3#
      • 1...Sf5
        • 2.Rxf5#
      • 1...e2
        • 2.Bd2#
      • 1...Rg6
        • 2.Sd6#
      • 1...Rg7
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB::B(D)
  • Tries
    • Try
      • S(E);
      • Threat
        • P(A)
      • Vars
        • P(b);OGATE,XS(E)::R(C)+B(D),DCHECK,XP(b)
        • S(e);N_GUARD::R1(G),XS(e)
        • R(d);N_GUARD::R(C)+B(D)
        • R(f);N_GUARD::R(C)+B(D)
      • Refutation
        • P(b);
  • Actual
    • B(D);
    • Threat
      • B(D)
    • Vars
      • S(e);N_GUARD::R1(G),XS(e)
      • P(b);OGATEB::B(D)
      • R(d);N_GUARD::R(C)+S(E)
      • R(f);N_GUARD::R(C)+S(E)
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