MESON Chess Problem Database

Problem Display
PID: 175416 (bnN5/2pP4/p1k5/Pp2PB2/1K6/2P2P2/8/8 w - - 0 1)

Petrnousek, Antonin

Narodni listy, 1899

bnN5/2pP4/p1k5/Pp2PB2/1K6/2P2P2/8/8

#2

8 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kb7
      • 2.d8S#
    • 1...Bb7
      • 2.Se7#
    • 1...Sxd7
      • 2.Be4#
  • Tries
    • 1.Be6?
      • threat
        • 2.d8S#
      • 1...Kb7
        • 2.d8S#
      • 1...Sxd7!
    • 1.c4?
      • threat
        • 2.d8S#
      • 1...Kb7
        • 2.d8S#
      • 1...Sxd7
        • 2.Be4#
      • 1...bxc4!
  • Keys
    • 1.f4!
      • 1...Kd5
        • 2.Se7#
      • 1...Kb7
        • 2.d8S#
      • 1...Sxd7
        • 2.Be4#
      • 1...Bb7
        • 2.Se7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::P=S
    • B(e);SBLOCK::S(H)
    • S(f);SBLOCK,XP(G)::B(F)
  • Tries
    • Try
      • B(F);
      • Threat
        • P=S
      • Vars
        • K(c);S_FLIGHT::P=S
      • Refutation
        • S(f);XP(G)
    • Try
      • P(A);
      • Threat
        • P=S
      • Vars
        • K(c);S_FLIGHT::P=S
        • S(f);SBLOCK,XP(G)::B(F)
      • Refutation
        • P(a);XP(A)
  • Actual
    • P(B);
    • Vars
      • K(c);S_FLIGHT::S(H)
      • K(c);S_FLIGHT::P=S
      • S(f);SBLOCK,XP(G)::B(F)
      • B(e);SBLOCK::S(H)
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