MESON Chess Problem Database

Problem Display
PID: 40065 (n3r3/1K6/2Npp3/3kp3/r2p4/3P4/8/2Q5 w - - 0 1)

Loyd, Sam

Saturday Courier, 1856

n3r3/1K6/2Npp3/3kp3/r2p4/3P4/8/2Q5

#3

4 + 8

1679 American Chess Nuts 1868
5206 Sam Loyd and His Chess Problems 1913

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Sb4#
      • 2.Qc4#
    • 1...Ra2
      • 2.Sb4#
      • 2.Qc4#
    • 1...Ra3
      • 2.Sb4#
      • 2.Qc4#
    • 1...Rb4+
      • 2.Sxb4#
    • 1...Rc4
      • 2.Qxc4#
    • 1...Ra5
      • 2.Sb4#
      • 2.Qc4#
    • 1...Ra6
      • 2.Sb4#
      • 2.Qc4#
    • 1...Ra7+
      • 2.Kxa7
        • threat
          • 3.Sb4#
          • 3.Qc4#
        • 2...Re7+
          • 3.Sxe7#
    • 1...Re7+
      • 2.Sxe7#
    • 1...Rc8
      • 2.Se7#
    • 1...Rd8
      • 2.Se7#
    • 1...Rf8
      • 2.Se7#
    • 1...Rg8
      • 2.Se7#
    • 1...Rh8
      • 2.Se7#
    • 1...Sb6
      • 2.Sb4+
        • 2...Rxb4
          • 3.Qc6#
    • 1...Sc7
      • 2.Se7+
        • 2...Rxe7
          • 3.Qc6#
  • Keys
    • 1.Qc2!
      • 1...Ra7+
        • 2.Kxa7
          • threat
            • 3.Sb4#
            • 3.Qc4#
          • 2...Re7+
            • 3.Sxe7#
      • 1...Rb8+
        • 2.Kxb8
          • threat
            • 3.Se7#
          • 2...Rb4+
            • 3.Sxb4#
          • 2...Rc4
            • 3.Qxc4#
          • 2...Ra7
            • 3.Sb4#
            • 3.Qc4#
          • 2...e4
            • 3.dxe4#
      • 1...Sb6
        • 2.Sb4+
          • 2...Rxb4
            • 3.Qc6#
      • 1...Sc7
        • 2.Se7+
          • 2...Rxe7
            • 3.Qc6#

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