MESON Chess Problem Database

Problem Display
PID: 263897 (1K6/7b/B2Np3/4R3/1p1k1B1n/7r/3P2pp/N5b1 w - - 0 1)

Brogi, Giuseppe

L'Italia Scacchistica, 1967

1K6/7b/B2Np3/4R3/1p1k1B1n/7r/3P2pp/N5b1

#2

7 + 9

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rb3
      • 2.Sxb3#
    • 1...Rd3
      • 2.Sc2#
    • 1...Be3
      • 2.Sb3#
    • 1...Bc2
      • 2.Sxc2#
    • 1...Bd3
      • 2.Sb3#
    • 1...Bg8
      • 2.Sc2#
    • 1...Sf3
      • 2.Sb3#
    • 1...Sf5
      • 2.Sc2#
    • 1...Sg6
      • 2.Sc2#
  • Tries
    • 1.Sf5+?
      • 1...Sxf5
        • 2.Sc2#
      • 1...exf5
        • 2.Sc2#
      • 1...Bxf5!
    • 1.Bg3?
      • threat
        • 2.Sb3#
      • 1...Bc2
        • 2.Sxc2#
      • 1...b3
        • 2.Sxb3#
      • 1...Rxg3!
    • 1.Ra5?
      • threat
        • 2.Be5#
      • 1...Sf3
        • 2.Sb3#
      • 1...Sg6
        • 2.Sc2#
      • 1...e5
        • 2.Bxe5#
      • 1...Re3!
  • Keys
    • 1.Be2!
      • threat
        • 2.Sb5#
      • 1...Rd3
        • 2.Sc2#
      • 1...Bd3
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • R(d);N_GUARD::S(A),XR(d)
    • R(d);S_CUTB(i)::S(A)
    • B(a);S_CUTR(d)::S(A)
    • B(i);N_GUARD::S(A),XB(i)
    • B(i);S_CUTR(d)::S(A)
    • B(i);N_GUARD::S(A)
    • S(g);S_CUTR(d)::S(A)
    • S(g);S_CUTB(i)::S(A)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • S(g);XS(F)::S(A)
        • P(h);XS(F)::S(A)
      • Refutation
        • B(i);XS(F)
    • Try
      • B(C);
      • Threat
        • S(A)
      • Vars
        • B(i);N_GUARD::S(A),XB(i)
        • P(e);::S(A),XP(e)
      • Refutation
        • R(d);XB(C)
    • Try
      • R(D);
      • Threat
        • B(C)
      • Vars
        • S(g);S_CUTR(d)::S(A)
        • S(g);S_CUTB(i)::S(A)
        • P(h);::B(C),XP(h)
      • Refutation
        • R(d);
  • Actual
    • B(E);
    • Threat
      • S(F)
    • Vars
      • R(d);S_CUTB(i)::S(A)
      • B(i);S_CUTR(d)::S(A)
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