MESON Chess Problem Database

Problem Display
PID: 236739 (8/8/8/5Qnn/6pq/6rk/6N1/2N4K w - - 0 1)

Sergeev, Vladimir S

Shakhmaty v SSSR, 1975

8/8/8/5Qnn/6pq/6rk/6N1/2N4K

#5

4 + 6

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Qf2!
      • threat
        • 2.Sf4+
          • 2...Sxf4
            • 3.Qh2#
      • 1...Sf3
        • 2.Sf4+
          • 2...Sxf4
            • 3.Se2
              • threat
                • 4.Sxf4#
              • 3...Rg1+
                • 4.Sxg1+
                  • 4...Sxg1
                    • 5.Qh2#
              • 3...Sxe2
                • 4.Qf1+
                  • 4...Rg2
                    • 5.Qxg2#
              • 3...Sg2
                • 4.Qe1
                  • 4...Sgxe1
                    • 5.Sf4#
                  • 4...Sfxe1
                    • 5.Sg1#
                  • 4...Qg5
                    • 5.Qxg3#
                  • 4...Qf6
                    • 5.Qxg3#
                  • 4...Qe7
                    • 5.Qxg3#
                  • 4...Qd8
                    • 5.Qxg3#
                  • 4...Qh5
                    • 5.Qxg3#
                  • 4...Qh6
                    • 5.Qxg3#
                  • 4...Qh7
                    • 5.Qxg3#
                  • 4...Qh8
                    • 5.Qxg3#
                  • 4...Se3
                    • 5.Sf4#
                  • 4...Sf4
                    • 5.Sxf4#
                  • 4...Sg1
                    • 5.Sxg1#
                  • 4...Sd2
                    • 5.Sg1#
                  • 4...Sh2
                    • 5.Sg1#
                  • 4...Sd4
                    • 5.Sg1#
                  • 4...Se5
                    • 5.Sg1#
                  • 4...Sg5
                    • 5.Sg1#
              • 3...Sd3
                • 4.Qf1+
                  • 4...Rg2
                    • 5.Qxg2#
              • 3...Sd5
                • 4.Qf1+
                  • 4...Rg2
                    • 5.Qxg2#
              • 3...Sh5
                • 4.Qf1+
                  • 4...Rg2
                    • 5.Qxg2#
              • 3...Se6
                • 4.Qf1+
                  • 4...Rg2
                    • 5.Qxg2#
              • 3...Sg6
                • 4.Qf1+
                  • 4...Rg2
                    • 5.Qxg2#

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