MESON Chess Problem Database

Problem Display
PID: 24783 (4Br2/1pp1Np2/p1R3p1/1p1b3p/2P1k3/3pP3/2NR1K1B/8 w - - 0 1)

Ruja, Zanis E

2/3 Prize, The Observer, 1963

4Br2/1pp1Np2/p1R3p1/1p1b3p/2P1k3/3pP3/2NR1K1B/8

#3

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...dxc2
      • 2.Rd4#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sxd5
          • threat
            • 3.Sc3#
            • 3.Sf6#
      • 1...Bxc4
        • 2.Se2
          • threat
            • 3.Sc3#
          • 2...dxe2
            • 3.Rd4#
          • 2...b4
            • 3.Rxc4#
      • 1...Bxc6
        • 2.Sb3
          • threat
            • 3.Sc5#
          • 2...b6
            • 3.Bxc6#
      • 1...bxc4
        • 2.Se2
          • threat
            • 3.Sc3#
          • 2...dxe2
            • 3.Rd4#
          • 2...c3
            • 3.Sxc3#
      • 1...bxc6
        • 2.Sb3
          • threat
            • 3.Sc5#
          • 2...c5
            • 3.Sxc5#
      • 1...Be6
        • 2.Sf3
          • threat
            • 3.Sg5#
          • 2...g5
            • 3.Sxg5#
          • 2...f6
            • 3.Rxe6#
      • 1...b4
        • 2.Sxd5
          • threat
            • 3.Sf6#
          • 2...f5
            • 3.Re6#
          • 2...f6
            • 3.Re6#
      • 1...f5
        • 2.Sxd5
          • threat
            • 3.Sc3#
            • 3.Re6#
      • 1...f6
        • 2.Sxd5
          • threat
            • 3.Sc3#
            • 3.Re6#

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