MESON Chess Problem Database

Problem Display
PID: 251486 (3r4/8/2bp4/6pQ/1p2p1p1/1p4p1/pR6/k1K5 w - - 0 1)

Petri, Max

Schach, 1963

3r4/8/2bp4/6pQ/1p2p1p1/1p4p1/pR6/k1K5

#4

3 + 11

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Qh1!
      • threat
        • 2.Kd2+
          • 2...Kxb2
            • 3.Qc1#
      • 1...Rf8
        • 2.Kd2+
          • 2...Rf1
            • 3.Qxf1+
              • 3...Kxb2
                • 4.Qc1#
      • 1...Bb5
        • 2.Kd2+
          • 2...Bf1
            • 3.Qxf1+
              • 3...Kxb2
                • 4.Qc1#
      • 1...g2
        • 2.Qxg2
          • threat
            • 3.Rxa2+
              • 3...bxa2
                • 4.Qb2#
            • 3.Rxb3
              • threat
                • 4.Qb2#
      • 1...e3
        • 2.Qh7
          • threat
            • 3.Rb1+
              • 3...axb1Q+
                • 4.Qxb1#
              • 3...axb1S
                • 4.Qxb1#
              • 3...axb1B
                • 4.Qxb1#
              • 3...axb1R+
                • 4.Qxb1#
            • 3.Qg7
              • threat
                • 4.Rb1#
                • 4.Rxb3#
          • 2...Be4
            • 3.Rxa2+
              • 3...Kxa2
                • 4.Qa7#
              • 3...bxa2
                • 4.Qg7#

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