MESON Chess Problem Database

Problem Display
PID: 252396 (8/8/8/1B3K2/3Q3p/6p1/1r6/k7 w - - 0 1)

Speckmann, Werner

2nd Prize, Sachove umeni (Ceskoslovensky sach), 1967

8/8/8/1B3K2/3Q3p/6p1/1r6/k7

#4

3 + 4

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Bd3!
      • threat
        • 2.Bc2
          • threat
            • 3.Qg1+
              • 3...Ka2
                • 4.Qa7#
              • 3...Rb1
                • 4.Qxb1#
        • 2.Be4
          • threat
            • 3.Qd1+
              • 3...Ka2
                • 4.Qa4#
              • 3...Rb1
                • 4.Qxb1#
      • 1...g2
        • 2.Bc2
          • threat
            • 3.Qg1+
              • 3...Ka2
                • 4.Qa7#
              • 3...Rb1
                • 4.Qxb1#
          • 2...g1Q
            • 3.Qxg1+
              • 3...Ka2
                • 4.Qa7#
              • 3...Rb1
                • 4.Qxb1#
          • 2...g1S
            • 3.Qxg1+
              • 3...Ka2
                • 4.Qa7#
              • 3...Rb1
                • 4.Qxb1#
          • 2...g1B
            • 3.Qxg1+
              • 3...Ka2
                • 4.Qa7#
              • 3...Rb1
                • 4.Qxb1#
          • 2...g1R
            • 3.Qxg1+
              • 3...Ka2
                • 4.Qa7#
              • 3...Rb1
                • 4.Qxb1#

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