MESON Chess Problem Database

Problem Display
PID: 132242 (B7/8/3N1n2/2p3R1/p1Pk1N2/Rb6/nK1P1P2/8 w - - 0 1)

Paslack, Rainer

Knobi's Knobelecke, 1994

B7/8/3N1n2/2p3R1/p1Pk1N2/Rb6/nK1P1P2/8

#2

9 + 6

6114 Problemschach-Jahrbuch (1994) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Se6#
      • 2.Rd3#
    • 1...Bc2
      • 2.Se2#
      • 2.Se6#
    • 1...Sc3
      • 2.dxc3#
    • 1...Se4
      • 2.Rd5#
    • 1...Sg4
      • 2.Rd5#
    • 1...Sd5
      • 2.Rxd5#
    • 1...Sh5
      • 2.Rd5#
    • 1...Sd7
      • 2.Rd5#
    • 1...Sh7
      • 2.Rd5#
    • 1...Se8
      • 2.Rd5#
    • 1...Sg8
      • 2.Rd5#
  • Tries
    • 1.Be4?
      • threat
        • 2.Se2#
        • 2.Se6#
      • 1...Sxe4
        • 2.Rd5#
      • 1...Sc1
        • 2.Se6#
      • 1...Bd1
        • 2.Se6#
        • 2.Rd3#
      • 1...Sc3
        • 2.Se6#
        • 2.dxc3#
      • 1...Bxc4!
    • 1.d3?
      • threat
        • 2.Sb5#
      • 1...Bxc4
        • 2.Se2#
      • 1...Sc3!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Sb5#
      • 1...Bxc4
        • 2.Se6#
      • 1...Sxd5
        • 2.Rxd5#
      • 1...Sc3
        • 2.dxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • S(a);OGATE::P(B),XS(a)
    • S(f);N_GUARD::R1(G)
    • S(f);N_GUARD::R1(G),XS(f)
  • Tries
    • Try
      • B(I);
      • Threat
        • DUALS(2)
      • Vars
        • S(f);N_GUARD,XB(I)::R1(G)
        • S(a);::S(F)
      • Refutation
        • B(b);XP(E)
    • Try
      • P(B);
      • Threat
        • S(H)
      • Vars
        • B(b);XP(E)::S(F)
      • Refutation
        • S(a);
  • Actual
    • B(I);
    • Threat
      • S(H)
    • Vars
      • B(b);XP(E)::S(F)
      • S(f);OGATE,XB(I)::R1(G),XS(f)
      • S(a);OGATE::P(B),XS(a)
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