MESON Chess Problem Database

Problem Display
PID: 181761 (8/8/7N/4nK2/6Pk/6Np/3Q2pb/8 w - - 0 1)

Volf, Josef

Narodni listy, 1905

8/8/7N/4nK2/6Pk/6Np/3Q2pb/8

#2

5 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg3
      • 2.Qg5#
      • 2.Qd8#
  • Tries
    • 1.Ke6?
      • threat
        • 2.Sgf5#
      • 1...Bxg3
        • 2.Qd8#
      • 1...Sxg4
        • 2.Shf5#
      • 1...Kxg3!
  • Keys
    • 1.Ke4!
      • threat
        • 2.Sgf5#
      • 1...Kxg3
        • 2.Qe1#
      • 1...Bxg3
        • 2.Qd8#
      • 1...Sxg4
        • 2.Shf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Threat
        • S(B)
      • Vars
        • B(b);SBLOCK,XS(B)::QAB(A)
        • S(e);SBLOCK,XP(C)::S(E)
      • Refutation
        • K(d);S_FLIGHT,XS(B)
  • Actual
    • K(D);S_FLIGHT
    • Threat
      • S(B)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(B)::QAB(A)
      • B(b);SBLOCK,XS(B)::QAB(A)
      • S(e);SBLOCK,XP(C)::S(E)
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