MESON Chess Problem Database

Problem Display
PID: 82161 (6B1/6p1/4p2r/B4p2/kP6/4b2R/K7/5Q2 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Deutsche Schachzeitung, 1974

6B1/6p1/4p2r/B4p2/kP6/4b2R/K7/5Q2

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bg1
      • 2.Ra3#
    • 1...Bd2
      • 2.Ra3#
    • 1...Bf2
      • 2.Ra3#
    • 1...Bd4
      • 2.Ra3#
    • 1...Bf4
      • 2.Ra3#
    • 1...Bc5
      • 2.Ra3#
    • 1...Bg5
      • 2.Ra3#
    • 1...Bb6
      • 2.Ra3#
    • 1...Ba7
      • 2.Ra3#
    • 1...e5
      • 2.Bb3#
  • Tries
    • 1.Bf7?
      • threat
        • 2.Be8#
      • 1...e5
        • 2.Bb3#
      • 1...Rh8!
    • 1.Qd3?
      • threat
        • 2.Qd7#
      • 1...e5
        • 2.Bb3#
      • 1...Bd4!
    • 1.Qc4?
      • threat
        • 2.Qc6#
      • 1...Bc5
        • 2.Ra3#
      • 1...e5!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qc6#
      • 1...Bb6
        • 2.Ra3#
      • 1...e5
        • 2.Bb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • B(a);OGATE::R1(C)
    • P(d);OGATE::B(F)
  • Tries
    • Try
      • B(F);
      • Threat
        • B(F)
      • Vars
        • P(d);OGATE::B(F)
      • Refutation
        • R(e);
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Vars
        • P(d);OGATE::B(F)
      • Refutation
        • B(a);
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Vars
        • B(a);OGATE::R1(C)
      • Refutation
        • P(d);
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • B(a);OGATE::R1(C)
      • P(d);OGATE::B(F)
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