MESON Chess Problem Database

Problem Display
PID: 137333 (RNR5/1n6/1p6/8/1k6/p7/P1K1B3/3Nb3 w - - 0 1)

Funk, Jacob E

Australasian Chess Magazine, 1920

RNR5/1n6/1p6/8/1k6/p7/P1K1B3/3Nb3

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Sc6#
  • Tries
    • 1.Sc3?
      • threat
        • 2.Sd5#
        • 2.Ra4#
        • 2.Rc4#
      • 1...Sa5
        • 2.Sa6#
      • 1...Sc5
        • 2.Sd5#
        • 2.Sc6#
      • 1...Sd6
        • 2.Sd5#
        • 2.Ra4#
      • 1...b5
        • 2.Sd5#
      • 1...Bxc3!
  • Keys
    • 1.Sb2!
      • threat
        • 2.Ra4#
      • 1...axb2
        • 2.a3#
      • 1...Sa5
        • 2.Sa6#
      • 1...Sc5
        • 2.Sc6#
      • 1...b5
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(e);SBLOCK::S(F)
  • Tries
    • Try
      • S(A);
      • Threat
        • DUALS(3)
      • Vars
        • S(e);SBLOCK::S(F)
        • P(d);::S(A)
      • Refutation
        • B(a);XS(A)
  • Actual
    • S(A);
    • Threat
      • R1(E)
    • Vars
      • P(b);OGATE,XS(A)::P(B)
      • S(e);SBLOCK::S(F)
      • P(d);SBLOCK::S(A)
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