MESON Chess Problem Database

Problem Display
PID: 131903 (8/n3BB2/3N4/2p1k3/3N4/6K1/5P2/4n3 w - - 0 1)

Noack, Ludwig

Nuova Rivista degli Scacchi, 1883

8/n3BB2/3N4/2p1k3/3N4/6K1/5P2/4n3

#2

6 + 4

6490 yacpdb 2009
5454 Near Snap 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Sf3#
    • 1...Sg2
      • 2.Sf3#
    • 1...Sd3
      • 2.Sf3#
    • 1...Sf3
      • 2.Sxf3#
    • 1...Sb5
      • 2.Sc6#
    • 1...Sc6
      • 2.Sxc6#
    • 1...Sc8
      • 2.Sc6#
    • 1...cxd4
      • 2.f4#
  • Keys
    • 1.Bc4!
      • 1...Kxd4
        • 2.Bf6#
      • 1...cxd4
        • 2.f4#
      • 1...Sg2
        • 2.Sf3#
      • 1...Sc2
        • 2.Sf3#
      • 1...Sd3
        • 2.Sf3#
      • 1...Sf3
        • 2.Sxf3#
      • 1...Sb5
        • 2.Sc6#
      • 1...Sc6
        • 2.Sxc6#
      • 1...Sc8
        • 2.Sc6#

This anticipates 169845(1945)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::S(C)
    • S(a);N_GUARD::S(C),XS(a)
    • S(d);N_GUARD::S(C)
    • S(d);N_GUARD::S(C),XS(d)
    • P(b);SBLOCK,XS(C)::P(A)
  • Actual
    • B(F);
    • Vars
      • K(c);S_FLIGHT,XS(C)::B(E)
      • P(b);SBLOCK,XS(C)::P(A)
      • S(a);N_GUARD::S(C)
      • S(a);N_GUARD::S(C),XS(a)
      • S(d);N_GUARD::S(C)
      • S(d);N_GUARD::S(C),XS(d)
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