MESON Chess Problem Database

Problem Display
PID: 233110 (4R2K/1R1p4/n1n2p2/2p2Qp1/k1p5/4br1p/BBpp2q1/2r2b2 w - - 0 1)

Pachman, Vladimir

1st Prize, Sach, 1939

4R2K/1R1p4/n1n2p2/2p2Qp1/k1p5/4br1p/BBpp2q1/2r2b2

#4

6 + 16

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Ra8!
      • threat
        • 2.Rxa6+
          • 2...Sa5
            • 3.Qxd7#
      • 1...Ka5
        • 2.Bc3+
          • 2...Ka4
            • 3.Rxa6+
              • 3...Sa5
                • 4.Rxa5#
          • 2...Sb4
            • 3.Bxb4+
              • 3...Ka4
                • 4.Rxa6#
                • 4.Qxd7#
            • 3.Qxd7
              • threat
                • 4.Qb5#
      • 1...Rxf5
        • 2.Rxa6+
          • 2...Sa5
            • 3.Bc3
              • threat
                • 4.Rxa5#
              • 3...Ka3
                • 4.Rxa5#
      • 1...d1Q
        • 2.Rxa6+
          • 2...Sa5
            • 3.Bc3
              • threat
                • 4.Rxa5#
              • 3...Ka3
                • 4.Rxa5#
      • 1...d1R
        • 2.Rxa6+
          • 2...Sa5
            • 3.Bc3
              • threat
                • 4.Rxa5#
              • 3...Ka3
                • 4.Rxa5#
      • 1...Qg4
        • 2.Rxa6+
          • 2...Sa5
            • 3.Qxg4
              • threat
                • 4.Bb3#
                • 4.Qxd7#
      • 1...Rf2
        • 2.Rxa6+
          • 2...Sa5
            • 3.Qxd7+
              • 3...Qc6
                • 4.Qxc6#
            • 3.Bc3
              • threat
                • 4.Rxa5#
              • 3...Ka3
                • 4.Rxa5#
        • 2.Qxd7
          • threat
            • 3.Rxa6#
          • 2...Ka5
            • 3.Bc3+
              • 3...Ka4
                • 4.Rxa6#
              • 3...Sb4
                • 4.Qb5#
          • 2...c3
            • 3.Bb3+
              • 3...Ka5
                • 4.Qc7#
      • 1...Rg3
        • 2.Rxa6+
          • 2...Sa5
            • 3.Qxd7+
              • 3...Qc6
                • 4.Qxc6#
            • 3.Bc3
              • threat
                • 4.Rxa5#
              • 3...Ka3
                • 4.Rxa5#
        • 2.Qxd7
          • threat
            • 3.Rxa6#
          • 2...Ka5
            • 3.Bc3+
              • 3...Ka4
                • 4.Rxa6#
              • 3...Sb4
                • 4.Qb5#
          • 2...c3
            • 3.Bb3+
              • 3...Ka5
                • 4.Qc7#
      • 1...Rf4
        • 2.Rxa6+
          • 2...Sa5
            • 3.Qxd7+
              • 3...Qc6
                • 4.Qxc6#
      • 1...Sa7
        • 2.Qxd7+
          • 2...Ka5
            • 3.Bc3+
              • 3...Sb4
                • 4.Raxa7#
                • 4.Qb5#
            • 3.Raxa7
              • threat
                • 4.Bc3#
                • 4.Qb5#
              • 3...c3
                • 4.Bxc3#
        • 2.Raxa7
          • threat
            • 3.Rxa6#
          • 2...Ka5
            • 3.Bc3+
              • 3...Ka4
                • 4.Rxa6#
            • 3.Qxd7
              • threat
                • 4.Bc3#
                • 4.Qb5#
              • 3...c3
                • 4.Bxc3#
          • 2...c3
            • 3.Bb3+
              • 3...Ka5
                • 4.Bxc3#
            • 3.Qxd7+
              • 3...Ka5
                • 4.Bxc3#
              • 3...Bb5
                • 4.Qxb5#
      • 1...c3
        • 2.Bb3+
          • 2...Ka5
            • 3.Bxc3+
              • 3...Sb4
                • 4.Bxb4#

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