MESON Chess Problem Database

Problem Display
PID: 122175 (8/8/8/8/N3N3/8/ppppp2K/2k2b2 w - - 0 1)

Brieger, Robert Sinclair

Canadian Chess Chat, 1980

8/8/8/8/N3N3/8/ppppp2K/2k2b2

#3

3 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sec5?
      • threat
        • 2.Sc3
          • threat
            • 3.Sb3#
            • 3.Sd3#
      • 1...Kb1
        • 2.Sc3+
          • 2...Ka1
            • 3.Sb3#
          • 2...Kc1
            • 3.Sb3#
            • 3.Sd3#
      • 1...Kd1
        • 2.Sc3+
          • 2...Kc1
            • 3.Sb3#
            • 3.Sd3#
          • 2...Ke1
            • 3.Sd3#
      • 1...a1S
        • 2.Sd3+
          • 2...Kb1
            • 3.Sc3#
          • 2...Kd1
            • 3.Saxb2#
            • 3.Sc3#
      • 1...b1Q
        • 2.Sd3+
          • 2...Kd1
            • 3.Sc3#
      • 1...b1S
        • 2.Sd3+
          • 2...Kd1
            • 3.Sab2#
      • 1...b1B
        • 2.Sd3+
          • 2...Kd1
            • 3.Sab2#
            • 3.Sc3#
      • 1...b1R
        • 2.Sd3+
          • 2...Kd1
            • 3.Sc3#
      • 1...d1Q
        • 2.Sb3+
          • 2...Kb1
            • 3.Sc3#
      • 1...d1B
        • 2.Sb3+
          • 2...Kb1
            • 3.Sc3#
      • 1...d1R
        • 2.Sb3+
          • 2...Kb1
            • 3.Sc3#
      • 1...e1Q
        • 2.Sb3+
          • 2...Kb1
            • 3.Sc3#
          • 2...Kd1
            • 3.Sc3#
      • 1...e1S
        • 2.Sb3+
          • 2...Kb1
            • 3.Sc3#
          • 2...Kd1
            • 3.Sc3#
      • 1...e1B
        • 2.Sb3+
          • 2...Kb1
            • 3.Sc3#
          • 2...Kd1
            • 3.Sc3#
      • 1...e1R
        • 2.Sb3+
          • 2...Kb1
            • 3.Sc3#
          • 2...Kd1
            • 3.Sc3#
      • 1...d1S!
  • Keys
    • 1.Sac5!
      • threat
        • 2.Sc3
          • threat
            • 3.Sb3#
            • 3.Sd3#
      • 1...Kb1
        • 2.Sc3+
          • 2...Ka1
            • 3.Sb3#
          • 2...Kc1
            • 3.Sb3#
            • 3.Sd3#
      • 1...Kd1
        • 2.Sc3+
          • 2...Kc1
            • 3.Sb3#
            • 3.Sd3#
          • 2...Ke1
            • 3.Sd3#
      • 1...a1S
        • 2.Sd3+
          • 2...Kb1
            • 3.Sc3#
          • 2...Kd1
            • 3.Sef2#
            • 3.Sc3#
      • 1...b1Q
        • 2.Sd3+
          • 2...Kd1
            • 3.Sef2#
            • 3.Sc3#
      • 1...b1S
        • 2.Sd3+
          • 2...Kd1
            • 3.Sef2#
      • 1...b1B
        • 2.Sd3+
          • 2...Kd1
            • 3.Sef2#
            • 3.Sc3#
      • 1...b1R
        • 2.Sd3+
          • 2...Kd1
            • 3.Sef2#
            • 3.Sc3#
      • 1...d1Q
        • 2.Sb3+
          • 2...Kb1
            • 3.Sc3#
      • 1...d1S
        • 2.Sb3+
          • 2...Kb1
            • 3.Sed2#
      • 1...d1B
        • 2.Sb3+
          • 2...Kb1
            • 3.Sed2#
            • 3.Sc3#
      • 1...d1R
        • 2.Sb3+
          • 2...Kb1
            • 3.Sc3#
      • 1...e1Q
        • 2.Sb3+
          • 2...Kb1
            • 3.Sc3#
          • 2...Kd1
            • 3.Sc3#
      • 1...e1S
        • 2.Sb3+
          • 2...Kb1
            • 3.Sexd2#
            • 3.Sc3#
          • 2...Kd1
            • 3.Sc3#
      • 1...e1B
        • 2.Sb3+
          • 2...Kb1
            • 3.Sc3#
          • 2...Kd1
            • 3.Sc3#
      • 1...e1R
        • 2.Sb3+
          • 2...Kb1
            • 3.Sexd2#
            • 3.Sc3#
          • 2...Kd1
            • 3.Sc3#

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