MESON Chess Problem Database

Problem Display
PID: 130560 (3n4/1nB5/NP6/kP6/bp1N4/1p6/1K6/8 w - - 0 1)

Dobrusky, Jan

Nove parizske mody, 1904

3n4/1nB5/NP6/kP6/bp1N4/1p6/1K6/8

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.b7#
    • 1...Sd6
      • 2.b7#
  • Tries
    • 1.Sb8?
      • 1...Sc5
        • 2.b7#
      • 1...Sd6
        • 2.b7#
      • 1...Sc6
        • 2.Sbxc6#
      • 1...Se6
        • 2.Sbc6#
      • 1...Sf7
        • 2.Sbc6#
      • 1...Bxb5!
  • Keys
    • 1.Sc5!
      • 1...Bxb5
        • 2.Sdxb3#
      • 1...Sxc5
        • 2.b7#
      • 1...Sd6
        • 2.b7#
      • 1...Sc6
        • 2.Sxb7#
      • 1...Se6
        • 2.Sxb7#
      • 1...Sf7
        • 2.Sxb7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(e);OGATE::B(F)+P(E)
  • Tries
    • Try
      • S(D);
      • Vars
        • S(e);OGATE::B(F)+P(E)
        • S(f);N_GUARD::S(D),XS(f)
        • S(f);N_GUARD::S(D)
      • Refutation
        • B(b);XP(C)
  • Actual
    • S(D);
    • Vars
      • B(b);N_GUARD,SBLOCK,XP(C)::S(B),XP(a)
      • S(e);OGATE,XS(D)::B(F)+P(E)
      • S(e);OGATE::B(F)+P(E)
      • S(f);N_GUARD::S(D),XS(e)
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