MESON Chess Problem Database

Problem Display
PID: 133010 (1R2K3/5pN1/3pp3/N1pkB2B/3Pp3/2P1nP2/5b2/8 w - - 0 1)

Schroder, Jochen C

Heilbronner Stimme, 1999

1R2K3/5pN1/3pp3/N1pkB2B/3Pp3/2P1nP2/5b2/8

#2

9 + 8

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.c4#
    • 1...Sf1
      • 2.c4#
    • 1...Sc2
      • 2.c4#
    • 1...Sg2
      • 2.c4#
    • 1...Sg4
      • 2.c4#
    • 1...Sf5
      • 2.c4#
    • 1...exf3
      • 2.Bxf3#
    • 1...cxd4
      • 2.Rb5#
    • 1...c4
      • 2.Rb5#
    • 1...dxe5
      • 2.Rd8#
  • Tries
    • 1.Bxf7?
      • threat
        • 2.Bxe6#
      • 1...cxd4
        • 2.Rb5#
      • 1...dxe5
        • 2.Rd8#
      • 1...exf3!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Se7#
      • 1...Sxf5
        • 2.c4#
      • 1...exf3
        • 2.Bxf3#
      • 1...cxd4
        • 2.Rb5#
      • 1...dxe5
        • 2.Rd8#
      • 1...exf5
        • 2.Bxf7#
      • 1...Bh4
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • S(b);N_GUARD::P(A)
    • P(c);OGATE,XP(B)::B(F),XP(c)
    • P(d);OGATEB,XP(C)::R(H)
    • P(d);OGATEB::R(H)
    • P(f);OGATEB,XB(E)::R(H)
  • Tries
    • Try
      • B(F);P_PINP(g),XP(h)
      • Threat
        • B(F),XP(g)
      • Vars
        • P(d);OGATEB,XP(C)::R(H)
        • P(f);OGATEB,XB(E)::R(H)
      • Refutation
        • P(c);XP(B)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • S(b);N_GUARD,XS(G)::P(A)
      • P(c);OGATE,XP(B)::B(F),XP(c)
      • P(d);OGATEB,XP(C)::R(H)
      • P(f);OGATEB,XB(E)::R(H)
      • P(g);OGATEB,XS(G)::B(F),XP(h)
      • B(a);N_GUARD::S(G),XS(b)
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