MESON Chess Problem Database

Problem Display
PID: 31355 (8/p1npNp2/7P/2p1k2K/rRp1N1p1/8/2P3P1/4Q3 w - - 0 1)

Baumann, Hannes

Schweizerische Schachzeitung, 1988

8/p1npNp2/7P/2p1k2K/rRp1N1p1/8/2P3P1/4Q3

#2

8 + 9

3454 kunstschach (1987-1996) (Hoffmann) 2001
23 Die Schwalbe 2015

SOLUTION

  • SOUND
  • Tries
    • 1.Sd2+?
      • 1...Kd4
        • 2.Sb3#
      • 1...Kf4
        • 2.g3#
      • 1...Kd6
        • 2.Sxc4#
      • 1...Kf6!
    • 1.Sf2+?
      • 1...Kd4
        • 2.c3#
      • 1...Kf4
        • 2.Sd3#
      • 1...Kf6
        • 2.Sxg4#
      • 1...Kd6!
    • 1.Sg3+?
      • 1...Kd4
        • 2.Sgf5#
      • 1...Kd6
        • 2.Sgf5#
      • 1...Kf6
        • 2.Sg8#
      • 1...Kf4!
    • 1.Sg5+?
      • 1...Kf4
        • 2.g3#
      • 1...Kd6
        • 2.Sxf7#
      • 1...Kf6
        • 2.Sh7#
      • 1...Kd4!
  • Keys
    • 1.Sxc5+!
      • 1...Kd4
        • 2.Sb3#
      • 1...Kf4
        • 2.Sd3#
      • 1...Kd6
        • 2.Sb7#
      • 1...Kf6
        • 2.Sxd7#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(e);P_SPINP(b),S_FLIGHT::S(E)
        • K(e);P_SPINP(b),S_FLIGHT::P(C)
        • K(e);S_FLIGHT::S(E),XP(b)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • S(E);CHECK
      • Vars
        • K(e);P_SPINP(b),S_FLIGHT::P(B)
        • K(e);P_SPINP(b),S_FLIGHT::S(E)
        • K(e);S_FLIGHT::S(E),XP(c)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • S(E);CHECK
      • Vars
        • K(e);P_SPINP(b),S_FLIGHT::S(E)
        • K(e);S_FLIGHT::S(E)
        • K(e);S_FLIGHT::S(H)
      • Refutation
        • K(e);P_SPINP(b),S_FLIGHT
    • Try
      • S(E);CHECK
      • Vars
        • K(e);P_SPINP(b),S_FLIGHT::P(C)
        • K(e);S_FLIGHT::S(E),XP(i)
        • K(e);S_FLIGHT::S(E)
      • Refutation
        • K(e);P_SPINP(b),S_FLIGHT
  • Actual
    • S(E);CHECK,XP(d)
    • Vars
      • K(e);P_SPINP(b),S_FLIGHT::S(E)
      • K(e);S_FLIGHT::S(E)
      • K(e);S_FLIGHT::S(E),XP(h)
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