MESON Chess Problem Database

Problem Display
PID: 45652 (8/2n1pRN1/1RPk1B2/2pBr1p1/8/2N1p3/8/4K3 w - - 0 1)

Herskovic, Ludwik

Recomm., BCF 057. Ty., 1947-1948

8/2n1pRN1/1RPk1B2/2pBr1p1/8/2N1p3/8/4K3

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Sf5#
    • 1...Rxd5
      • 2.Se4#
    • 1...Rf5
      • 2.Sxf5#
    • 1...Re6
      • 2.Sf5#
    • 1...Sb5
      • 2.Se8#
    • 1...Sxd5
      • 2.Sb5#
    • 1...Sa6
      • 2.Se8#
    • 1...Se6
      • 2.Se8#
    • 1...Sa8
      • 2.Se8#
    • 1...Se8
      • 2.Sxe8#
    • 1...exf6
      • 2.Rd7#
    • 1...e6
      • 2.Be7#
      • 2.Rd7#
  • Tries
    • 1.Rxe7?
      • threat
        • 2.Rd7#
      • 1...Rxe7
        • 2.Sf5#
      • 1...c4!
  • Keys
    • 1.Be6!
      • threat
        • 2.Bxe7#
      • 1...Rxe6
        • 2.Sf5#
      • 1...Sxe6
        • 2.Se8#
      • 1...exf6
        • 2.Rd7#
      • 1...Sb5
        • 2.Sxb5#
      • 1...Sd5
        • 2.Sb5#
      • 1...Sa6
        • 2.Sb5#
      • 1...Sa8
        • 2.Sb5#
      • 1...Se8
        • 2.Sb5#
      • 1...Re4
        • 2.Sxe4#
      • 1...Rd5
        • 2.Se4#
      • 1...Rf5
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 6
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD::S(H)
    • R(c);N_GUARD,SBLOCK,XB(C)::S(B)
    • R(c);N_GUARD::S(H),XR(c)
    • S(f);N_GUARD::S(H)
    • S(f);N_GUARD,SBLOCK,XB(C)::S(B)
    • S(f);N_GUARD::S(H),XS(f)
    • P(g);OGATE,XB(F)::R1(G)
  • Tries
    • Try
      • R(G);XP(g)
      • Threat
        • R1(G)
      • Vars
        • R(c);N_GUARD,XR(G)::S(H)
      • Refutation
        • P(b);
  • Actual
    • B(C);
    • Threat
      • B(F),XP(g)
    • Vars
      • R(c);N_GUARD,SBLOCK,XB(C)::S(H)
      • S(f);N_GUARD,SBLOCK,XB(C)::S(H)
      • P(g);OGATE,XB(F)::R1(G)
      • S(f);N_GUARD::S(B),XS(f)
      • S(f);N_GUARD::S(B)
      • R(c);N_GUARD::S(B),XR(c)
      • R(c);N_GUARD::S(B)
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