MESON Chess Problem Database

Problem Display
PID: 85959 (k7/P7/Q6p/8/4b3/6PK/8/8 w - - 0 1)

Speckmann, Werner

Magyar Sakkelet, 1984

k7/P7/Q6p/8/4b3/6PK/8/8

#4

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qa5!
      • threat
        • 2.Qc7
          • threat
            • 3.Qb8#
          • 2...Bg2+
            • 3.Kxg2
              • 3...h5
                • 4.Qb8#
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
          • 2...Bf5+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
      • 1...Bg2+
        • 2.Kxg2
          • threat
            • 3.Qb6
              • 3...h5
                • 4.Qb8#
            • 3.Qc7
              • 3...h5
                • 4.Qb8#
          • 2...h5
            • 3.Qb6
              • 3...h4
                • 4.Qb8#
            • 3.Qc7
              • 3...h4
                • 4.Qb8#
      • 1...Bf5+
        • 2.Kh2
          • threat
            • 3.Qb6
              • threat
                • 4.Qb8#
            • 3.Qc7
              • threat
                • 4.Qb8#
        • 2.Kh4
          • threat
            • 3.Qb6
              • threat
                • 4.Qb8#
            • 3.Qc7
              • threat
                • 4.Qb8#
      • 1...Bb1
        • 2.Kh2
          • threat
            • 3.Qb6
              • threat
                • 4.Qb8#
            • 3.Qc7
              • threat
                • 4.Qb8#
        • 2.Kh4
          • threat
            • 3.Qb6
              • threat
                • 4.Qb8#
            • 3.Qc7
              • threat
                • 4.Qb8#
        • 2.Qb6
          • threat
            • 3.Qb8#
          • 2...Bf5+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
        • 2.Qc7
          • threat
            • 3.Qb8#
          • 2...Bf5+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
      • 1...Bh1
        • 2.Qc7
          • threat
            • 3.Qb8#
          • 2...Bg2+
            • 3.Kxg2
              • 3...h5
                • 4.Qb8#
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
      • 1...Bc2
        • 2.Kh2
          • threat
            • 3.Qb6
              • threat
                • 4.Qb8#
            • 3.Qc7
              • threat
                • 4.Qb8#
        • 2.Kh4
          • threat
            • 3.Qb6
              • threat
                • 4.Qb8#
            • 3.Qc7
              • threat
                • 4.Qb8#
        • 2.Qb6
          • threat
            • 3.Qb8#
          • 2...Bf5+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
        • 2.Qc7
          • threat
            • 3.Qb8#
          • 2...Bf5+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
      • 1...Bd3
        • 2.Kh2
          • threat
            • 3.Qb6
              • threat
                • 4.Qb8#
            • 3.Qc7
              • threat
                • 4.Qb8#
        • 2.Kh4
          • threat
            • 3.Qb6
              • threat
                • 4.Qb8#
            • 3.Qc7
              • threat
                • 4.Qb8#
        • 2.Qb6
          • threat
            • 3.Qb8#
          • 2...Bf1+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
          • 2...Bf5+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
        • 2.Qc7
          • threat
            • 3.Qb8#
          • 2...Bf1+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
          • 2...Bf5+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
      • 1...Bf3
        • 2.Qc7
          • threat
            • 3.Qb8#
          • 2...Bg2+
            • 3.Kxg2
              • 3...h5
                • 4.Qb8#
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
          • 2...Bg4+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
      • 1...Bd5
        • 2.Qc7
          • threat
            • 3.Qb8#
          • 2...Bg2+
            • 3.Kxg2
              • 3...h5
                • 4.Qb8#
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
          • 2...Be6+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
      • 1...Bc6
        • 2.Qc7
          • threat
            • 3.Qb8#
          • 2...Bg2+
            • 3.Kxg2
              • 3...h5
                • 4.Qb8#
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
          • 2...Bd7+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
      • 1...Bg6
        • 2.Kh2
          • threat
            • 3.Qb6
              • threat
                • 4.Qb8#
            • 3.Qc7
              • threat
                • 4.Qb8#
        • 2.Kh4
          • threat
            • 3.Qb6
              • threat
                • 4.Qb8#
            • 3.Qc7
              • threat
                • 4.Qb8#
        • 2.Qb6
          • threat
            • 3.Qb8#
          • 2...Bf5+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
        • 2.Qc7
          • threat
            • 3.Qb8#
          • 2...Bf5+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
      • 1...Bb7
        • 2.Kh4
          • 2...Bh1
            • 3.Qc7
              • threat
                • 4.Qb8#
          • 2...Bg2
            • 3.Qc7
              • threat
                • 4.Qb8#
          • 2...Bf3
            • 3.Qc7
              • threat
                • 4.Qb8#
          • 2...Be4
            • 3.Qc7
              • threat
                • 4.Qb8#
          • 2...Bd5
            • 3.Qc7
              • threat
                • 4.Qb8#
          • 2...Ba6
            • 3.Qc7
              • threat
                • 4.Qb8#
          • 2...Bc6
            • 3.Qc7
              • threat
                • 4.Qb8#
          • 2...Bc8
            • 3.Qc7
              • threat
                • 4.Qb8#
          • 2...h5
            • 3.Qb6
              • 3...Bh1
                • 4.Qb8#
              • 3...Bg2
                • 4.Qb8#
              • 3...Bf3
                • 4.Qb8#
              • 3...Be4
                • 4.Qb8#
              • 3...Bd5
                • 4.Qb8#
              • 3...Ba6
                • 4.Qb8#
              • 3...Bc6
                • 4.Qb8#
              • 3...Bc8
                • 4.Qb8#
      • 1...Bh7
        • 2.Kh2
          • threat
            • 3.Qb6
              • threat
                • 4.Qb8#
            • 3.Qc7
              • threat
                • 4.Qb8#
        • 2.Kh4
          • threat
            • 3.Qb6
              • threat
                • 4.Qb8#
            • 3.Qc7
              • threat
                • 4.Qb8#
        • 2.Qb6
          • threat
            • 3.Qb8#
          • 2...Bf5+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
        • 2.Qc7
          • threat
            • 3.Qb8#
          • 2...Bf5+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
      • 1...h5
        • 2.Kh4
          • threat
            • 3.Qc7
              • threat
                • 4.Qb8#
          • 2...Bb7
            • 3.Qb6
              • 3...Bh1
                • 4.Qb8#
              • 3...Bg2
                • 4.Qb8#
              • 3...Bf3
                • 4.Qb8#
              • 3...Be4
                • 4.Qb8#
              • 3...Bd5
                • 4.Qb8#
              • 3...Ba6
                • 4.Qb8#
              • 3...Bc6
                • 4.Qb8#
              • 3...Bc8
                • 4.Qb8#
        • 2.Qb6
          • threat
            • 3.Qb8#
          • 2...Bg2+
            • 3.Kxg2
              • 3...h4
                • 4.Qb8#
          • 2...Bf5+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
          • 2...Bb7
            • 3.Kh4
              • 3...Bh1
                • 4.Qb8#
              • 3...Bg2
                • 4.Qb8#
              • 3...Bf3
                • 4.Qb8#
              • 3...Be4
                • 4.Qb8#
              • 3...Bd5
                • 4.Qb8#
              • 3...Ba6
                • 4.Qb8#
              • 3...Bc6
                • 4.Qb8#
              • 3...Bc8
                • 4.Qb8#
        • 2.Qc7
          • threat
            • 3.Qb8#
          • 2...Bg2+
            • 3.Kxg2
              • 3...h4
                • 4.Qb8#
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#
          • 2...Bf5+
            • 3.Kh2
              • threat
                • 4.Qb8#
            • 3.Kh4
              • threat
                • 4.Qb8#

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