MESON Chess Problem Database

Problem Display
PID: 120892 (8/3N4/2p5/p1P5/Bnk5/B1P2P2/3PP3/3K4 w - - 0 1)

Ghirelli, Bruno

3rd HM., La Scacchiera, 1953

8/3N4/2p5/p1P5/Bnk5/B1P2P2/3PP3/3K4

#2

9 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Bb3#
    • 1...Sa2
      • 2.Sb6#
    • 1...Sc2
      • 2.Sb6#
    • 1...Sd3
      • 2.Sb6#
    • 1...Sd5
      • 2.Se5#
    • 1...Sa6
      • 2.Sb6#
  • Tries
    • 1.Bxb4?
      • threat
        • 2.Sb6#
      • 1...Kd5
        • 2.Bb3#
      • 1...axb4!
    • 1.f4?
      • 1...Sa2
        • 2.Sb6#
      • 1...Sc2
        • 2.Sb6#
      • 1...Sd3
        • 2.Sb6#
      • 1...Sd5
        • 2.Se5#
      • 1...Sa6
        • 2.Sb6#
      • 1...Kd5!
  • Keys
    • 1.e4!
      • 1...Kd3
        • 2.Se5#
      • 1...Sa2
        • 2.Se5#
      • 1...Sc2
        • 2.Se5#
      • 1...Sd3
        • 2.Sb6#
      • 1...Sd5
        • 2.Se5#
      • 1...Sa6
        • 2.Se5#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);S_FLIGHT::B(G)
    • S(a);::S(I)
    • S(a);SBLOCK::S(I)
  • Tries
    • Try
      • B(D);XS(a)
      • Threat
        • S(I)
      • Vars
        • K(b);S_FLIGHT::B(G)
      • Refutation
        • P(c);XB(D)
    • Try
      • P(F);
      • Vars
        • S(a);::S(I)
        • S(a);SBLOCK::S(I)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • P(C);
    • Vars
      • K(b);S_FLIGHT::S(I)
      • S(a);::S(I)
      • S(a);SBLOCK::S(I)
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