Problem Display
PID: 152743 (8/4pp2/2p2P2/p1pb1P1P/2n1k3/3R2BB/2P1PK2/7R w - - 0 1)

Feoktistov, Aleksandr Fedorovich

1/2 Prize, Chess Composition, 2008

8/4pp2/2p2P2/p1pb1P1P/2n1k3/3R2BB/2P1PK2/7R

#4

10 + 8


145 StrateGems 2011

SOLUTION


  • SOUND
  • Keys
    • 1.c3!
      • threat
        • 2.fxe7
          • threat
            • 3.e8S
              • threat
                • 4.Sf6#
              • 3...f6
                • 4.Sxf6#
          • 2...f6
            • 3.e8S
              • threat
                • 4.Sxf6#
      • 1...exf6
        • 2.Rhd1
          • threat
            • 3.Rd4+
              • 3...cxd4
                • 4.Rxd4#
      • 1...Be6
        • 2.Rhd1
          • threat
            • 3.Rd4+
              • 3...cxd4
                • 4.Rxd4#
          • 2...Sd2
            • 3.R1xd2
              • threat
                • 4.Re3#
      • 1...e5
        • 2.Rf3
          • threat
            • 3.Bg2
              • threat
                • 4.Rh4#
                • 4.Rf4#
          • 2...Be6
            • 3.Bg2
              • threat
                • 4.Rf4#
              • 3...Kd5
                • 4.Rd3#
      • 1...e6
        • 2.Bg4
          • threat
            • 3.Rh4
              • threat
                • 4.Bh3#
              • 3...exf5
                • 4.Bf3#
              • 3...Se3
                • 4.Rxe3#
              • 3...Se5
                • 4.Re3#
          • 2...e5
            • 3.Rh4
              • threat
                • 4.Bh3#
              • 3...Se3
                • 4.Rxe3#

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