MESON Chess Problem Database

Problem Display
PID: 217340 (8/kNNp4/1p1pp1bp/2p2pPp/4Q3/8/5K2/8 w - - 0 1)

Breuer, Josef Johann

2nd Comm., Probleemblad, 1968

8/kNNp4/1p1pp1bp/2p2pPp/4Q3/8/5K2/8

#5

5 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qh1!
      • threat
        • 2.Sxd6
          • threat
            • 3.Qb7#
            • 3.Qa8#
          • 2...Kb8
            • 3.Qb7#
      • 1...Kb8
        • 2.Sa6+
          • 2...Kc8
            • 3.gxh6
              • threat
                • 4.Sxd6+
                  • 4...Kd8
                    • 5.Qh4#
              • 3...d5
                • 4.Sd6+
                  • 4...Kd8
                    • 5.Qh4#
              • 3...h4
                • 4.Sxd6+
                  • 4...Kd8
                    • 5.Qxh4#
      • 1...d5
        • 2.Sd6
          • threat
            • 3.Sdb5+
              • 3...Kb7
                • 4.Qa1
                  • threat
                    • 5.Qa8#
                  • 4...Kc6
                    • 5.Qa8#
                  • 4...Kb8
                    • 5.Qa8#
                  • 4...Kc8
                    • 5.Qa8#
              • 3...Kb8
                • 4.Qa1
                  • threat
                    • 5.Qa8#
                  • 4...Kb7
                    • 5.Qa8#
                  • 4...Kc8
                    • 5.Qa8#
            • 3.Scb5+
              • 3...Ka8
                • 4.Qa1+
                  • 4...Kb8
                    • 5.Qa7#
              • 3...Kb8
                • 4.Qa1
                  • threat
                    • 5.Qa7#
            • 3.Qa1+
              • 3...Kb8
                • 4.Qa8+
                  • 4...Kxc7
                    • 5.Sb5#
                • 4.Sdb5
                  • threat
                    • 5.Qa8#
                  • 4...Kb7
                    • 5.Qa8#
                  • 4...Kc8
                    • 5.Qa8#
                • 4.Scb5
                  • threat
                    • 5.Qa7#
          • 2...Kb8
            • 3.Scb5
              • threat
                • 4.Qa1
                  • threat
                    • 5.Qa7#
              • 3...Ka8
                • 4.Qa1+
                  • 4...Kb8
                    • 5.Qa7#
          • 2...b5
            • 3.Qa1+
              • 3...Kb6
                • 4.Sa8+
                  • 4...Kc6
                    • 5.Qa6#
              • 3...Kb8
                • 4.Scxb5
                  • threat
                    • 5.Qa7#
                • 4.Qa5
                  • threat
                    • 5.Qb6#
      • 1...f4
        • 2.Sb5+
          • 2...Ka6
            • 3.S7xd6
              • threat
                • 4.Qa8#
                • 4.Qa1#
              • 3...Ka5
                • 4.Qa8+
                  • 4...Kb4
                    • 5.Qa3#
                • 4.Qa1+
                  • 4...Kb4
                    • 5.Qa3#
          • 2...Ka8
            • 3.S7xd6+
              • 3...Be4
                • 4.Qxe4+
                  • 4...Kb8
                    • 5.Qb7#
                • 4.Qa1+
                  • 4...Kb8
                    • 5.Qh8#
                    • 5.Qa7#
              • 3...f3
                • 4.Qxf3+
                  • 4...Kb8
                    • 5.Qb7#
                  • 4...Be4
                    • 5.Qf8#
                • 4.Qa1+
                  • 4...Kb8
                    • 5.Qa7#
          • 2...Kb8
            • 3.S7xd6
              • threat
                • 4.Qb7#
              • 3...Be4
                • 4.Qxe4
                  • threat
                    • 5.Qb7#
                • 4.Qa1
                  • threat
                    • 5.Qh8#
                    • 5.Qa7#
              • 3...f3
                • 4.Qxf3
                  • threat
                    • 5.Qb7#
                  • 4...Be4
                    • 5.Qf8#
                • 4.Qa1
                  • threat
                    • 5.Qa7#
        • 2.Sxd6
          • threat
            • 3.Qb7#
            • 3.Qa8#
          • 2...f3
            • 3.Scb5+
              • 3...Ka8
                • 4.Qxf3+
                  • 4...Kb8
                    • 5.Qb7#
                  • 4...Be4
                    • 5.Qf8#
                • 4.Qa1+
                  • 4...Kb8
                    • 5.Qa7#
              • 3...Kb8
                • 4.Qxf3
                  • threat
                    • 5.Qb7#
                  • 4...Be4
                    • 5.Qf8#
                • 4.Qa1
                  • threat
                    • 5.Qa7#
            • 3.Qa1+
              • 3...Kb8
                • 4.Qa8+
                  • 4...Kxc7
                    • 5.Sb5#
                • 4.Scb5
                  • threat
                    • 5.Qa7#
            • 3.Qxf3
              • threat
                • 4.Qb7#
                • 4.Qa8#
              • 3...Be4
                • 4.Scb5+
                  • 4...Ka6
                    • 5.Qa3#
                  • 4...Ka8
                    • 5.Qf8#
                  • 4...Kb8
                    • 5.Qf8#
                • 4.Qxe4
                  • threat
                    • 5.Qb7#
                    • 5.Qa8#
                  • 4...Kb8
                    • 5.Qb7#
      • 1...e5
        • 2.Sxd6
          • threat
            • 3.Qb7#
            • 3.Qa8#
          • 2...e4
            • 3.Qa1+
              • 3...Kb8
                • 4.Qa8+
                  • 4...Kxc7
                    • 5.Sb5#

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