MESON Chess Problem Database

Problem Display
PID: 256579 (8/1p2Kn2/5Q2/rpk5/1N3B2/1p6/3P4/1n6 w - - 0 1)

Pater, Karl

Wiener Schachzeitung, 1901

8/1p2Kn2/5Q2/rpk5/1N3B2/1p6/3P4/1n6

#2

5 + 7

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Be3+?
      • 1...Kc4
        • 2.Qd4#
        • 2.Qh4#
        • 2.Qf4#
      • 1...Kxb4!
    • 1.Bd6+?
      • 1...Kc4
        • 2.Qh4#
        • 2.Qf4#
        • 2.d3#
      • 1...Kb6
        • 2.Qd4#
        • 2.Qf2#
      • 1...Sxd6!
    • 1.Qc3+?
      • 1...Kb6
        • 2.Be3#
        • 2.Qd4#
        • 2.Qe3#
      • 1...Sxc3!
  • Keys
    • 1.Qh4!
      • threat
        • 2.Be3#
      • 1...Kxb4
        • 2.Bd6#
      • 1...Kc4
        • 2.Be3#
        • 2.Bd6#
      • 1...Kd4
        • 2.Bd6#
      • 1...Kb6
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Refutation
        • K(e);S_FLIGHT,XS(B)
    • Try
      • B(C);CHECK
      • Refutation
        • S(g);XB(C)
    • Try
      • Q(D);CHECK
      • Refutation
        • S(a);XQ(D)
  • Actual
    • Q(D);
    • Threat
      • B(C)
    • Vars
      • K(e);N_GUARD,S_FLIGHT,XS(B)::QAR(D)+B(C),DCHECK
      • K(e);N_GUARD,S_CUTS(g),S_FLIGHT::QAR(D)+B(C)
      • K(e);N_GUARD,S_FLIGHT::QAB(D)
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