MESON Chess Problem Database

Problem Display
PID: 113688 (4QN1k/1p4n1/pP3npN/Kp5p/1P1r4/2p5/2P1PPP1/8 w - - 0 1)

Pachman, Vladimir

Stella Polaris, 1971

4QN1k/1p4n1/pP3npN/Kp5p/1P1r4/2p5/2P1PPP1/8

#5

10 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qf7!
      • threat
        • 2.Qg8+
          • 2...Sxg8
            • 3.Sf7#
      • 1...Rf4
        • 2.g4
          • threat
            • 3.g5
              • threat
                • 4.gxf6
                  • threat
                    • 5.Qg8#
                    • 5.Qxg7#
                    • 5.fxg7#
              • 3...Rxb4
                • 4.Qg8+
                  • 4...Sxg8
                    • 5.Sf7#
          • 2...Rxf2
            • 3.Qxg6
              • threat
                • 4.Qh7+
                  • 4...Sxh7
                    • 5.Sg6#
          • 2...hxg4
            • 3.Qxg6
              • threat
                • 4.Qh7+
                  • 4...Sxh7
                    • 5.Sg6#
          • 2...Rf3
            • 3.Qxg6
              • threat
                • 4.Qh7+
                  • 4...Sxh7
                    • 5.Sg6#
            • 3.exf3
              • threat
                • 4.Qg8+
                  • 4...Sxg8
                    • 5.Sf7#
            • 3.g5
              • threat
                • 4.gxf6
                  • threat
                    • 5.Qg8#
                    • 5.Qxg7#
                    • 5.fxg7#
          • 2...Rf5
            • 3.gxf5
              • threat
                • 4.Qg8+
                  • 4...Sxg8
                    • 5.Sf7#
            • 3.g5
              • threat
                • 4.gxf6
                  • threat
                    • 5.Qg8#
                    • 5.Qxg7#
                    • 5.fxg7#
              • 3...Rxg5
                • 4.Qg8+
                  • 4...Sxg8
                    • 5.Sf7#
          • 2...g5
            • 3.Qg6
              • threat
                • 4.Qh7+
                  • 4...Sxh7
                    • 5.Sg6#
      • 1...Rd7
        • 2.Sxd7
          • threat
            • 3.Sxf6
              • threat
                • 4.Qg8#
                • 4.Qf8#
          • 2...Kh7
            • 3.Sf8+
              • 3...Kh8
                • 4.Qg8+
                  • 4...Sxg8
                    • 5.Sf7#
            • 3.Se5
              • threat
                • 4.Qxg6+
                  • 4...Kh8
                    • 5.Sef7#
              • 3...Kh8
                • 4.Qxg6
                  • threat
                    • 5.Sef7#
              • 3...Sg8
                • 4.Qxg6+
                  • 4...Kh8
                    • 5.Sef7#
                    • 5.Shf7#
                • 4.Qxg8+
                  • 4...Kxh6
                    • 5.Sf7#
              • 3...g5
                • 4.Qg6+
                  • 4...Kh8
                    • 5.Sef7#
          • 2...Sge8
            • 3.Sxf6
              • threat
                • 4.Qg8#
                • 4.Qh7#
                • 4.Qf8#
              • 3...Sxf6
                • 4.Qxg6
                  • threat
                    • 5.Sf7#
            • 3.Qxg6
              • threat
                • 4.Sf7#
              • 3...Sd6
                • 4.Qxf6+
                  • 4...Kh7
                    • 5.Sf8#
              • 3...Sg7
                • 4.Sxf6
                  • threat
                    • 5.Sf7#
                    • 5.Qh7#
                • 4.Se5
                  • threat
                    • 5.Sef7#
            • 3.Se5
              • threat
                • 4.Sxg6#
              • 3...Sg7
                • 4.Qxg6
                  • threat
                    • 5.Sef7#
            • 3.Sf8
              • threat
                • 4.Sxg6#
              • 3...Sg7
                • 4.Qg8+
                  • 4...Sxg8
                    • 5.Sf7#

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