MESON Chess Problem Database

Problem Display
PID: 135344 (1KB3bq/BN1pR3/p1k2bQ1/4Pp2/Pnp5/5N2/3rn3/1r6 w - - 0 1)

Laib, Kurt Friedrich

Schackvarlden, 1935

1KB3bq/BN1pR3/p1k2bQ1/4Pp2/Pnp5/5N2/3rn3/1r6

#2

9 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Sd8#
    • 1...Bd5
      • 2.Sa5#
    • 1...Sd5
      • 2.Bxd7#
    • 1...d5
      • 2.Sa5#
      • 2.Sd8#
      • 2.Bd7#
      • 2.Rc7#
      • 2.Qe8#
  • Keys
    • 1.Qg2!
      • threat
        • 2.Sd4#
      • 1...Bxe5+
        • 2.Sxe5#
      • 1...Kd5
        • 2.Se1#
        • 2.Sg1#
        • 2.Sxd2#
        • 2.Sh2#
        • 2.Sd4#
        • 2.Sh4#
        • 2.Sg5#
      • 1...Rd4
        • 2.Sxd4#
      • 1...Rd5
        • 2.Sd8#
      • 1...Bd5
        • 2.Sa5#
      • 1...Sd4
        • 2.Sxd4#
      • 1...Sd5
        • 2.Bxd7#
      • 1...d5
        • 2.Sa5#
        • 2.Sd8#
        • 2.Bd7#
        • 2.Rc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK::S(F)
    • B(k);P_PINB(I),SBLOCK::S(F)
    • S(d);P_PINS(F),SBLOCK,S_CUTR(b)::B(I),XP(j)
  • Actual
    • Q(D);N_PINB(i)
    • Threat
      • QAB(D)+S(A),DCHECK
    • Vars
      • B(i);CHECK,XP(C)::QAB(D)+S(A),DCHECK,XB(i)
      • R(b);::QAB(D)+S(A),DCHECK,XR(b)
      • R(b);SBLOCK::S(F)
      • B(k);P_PINB(I),SBLOCK::S(F)
      • S(c);::QAB(D)+S(A),DCHECK,XS(c)
      • S(d);P_PINS(F),SBLOCK,S_CUTR(b)::B(I),XP(j)
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