MESON Chess Problem Database

Problem Display
PID: 259384 (3r3r/pNp5/Kpk1B3/6N1/4P3/2B1b3/8/2R5 w - - 0 1)

Caliman, Georghe

Buletin Problemistic, 1990

3r3r/pNp5/Kpk1B3/6N1/4P3/2B1b3/8/2R5

#2

7 + 7

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.exd5#
    • 1...Bg1
      • 2.Bd4#
    • 1...Bd2
      • 2.Bxd2#
    • 1...Bf2
      • 2.Bd4#
    • 1...Bd4
      • 2.Bxd4#
    • 1...Bf4
      • 2.Bd2#
    • 1...Bxg5
      • 2.Bd2#
  • Tries
    • 1.Sf3?
      • threat
        • 2.Se5#
      • 1...Rd5
        • 2.exd5#
      • 1...Bd4
        • 2.Bxd4#
      • 1...Bf4
        • 2.Bd2#
      • 1...Rh5!
  • Keys
    • 1.Sf7!
      • threat
        • 2.Se5#
      • 1...Rd5
        • 2.exd5#
      • 1...Rh5
        • 2.Sfxd8#
      • 1...Bd4
        • 2.Bxd4#
      • 1...Bf4
        • 2.Bd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • R(f);OGATE::P(C),XR(f)
    • B(a);N_GUARD::R(A)+B(B)
    • B(a);N_GUARD::R(A)+B(B),XB(a)
    • B(a);N_GUARD,XS(D)::R(A)+B(B)
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • R(f);OGATE::P(C),XR(f)
        • B(a);N_GUARD::R(A)+B(B),XB(a)
        • B(a);N_GUARD::R(A)+B(B)
      • Refutation
        • R(g);
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • R(f);OGATE::P(C),XR(f)
      • R(g);N_GUARD::S(D),XR(f)
      • B(a);N_GUARD::R(A)+B(B),XB(a)
      • B(a);N_GUARD::R(A)+B(B)
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