MESON Chess Problem Database

Problem Display
PID: 25646 (k7/1r2p2r/2Q3p1/8/3R3p/8/1p5K/8 w - - 0 1)

Loyd, Sam

Source?, 1908

k7/1r2p2r/2Q3p1/8/3R3p/8/1p5K/8

#3

3 + 7

5206 Sam Loyd and His Chess Problems 1913

SOLUTION

  • SOUND
  • Sets
    • 1...Rh6
      • 2.Rb4
        • threat
          • 3.Qxb7#
        • 2...Ka7
          • 3.Qxb7#
        • 2...Kb8
          • 3.Qxb7#
    • 1...Rh8
      • 2.Rb4
        • threat
          • 3.Qxb7#
        • 2...Ka7
          • 3.Qxb7#
        • 2...Kb8
          • 3.Qxb7#
        • 2...Rb8
          • 3.Ra4#
    • 1...b1S
      • 2.Rd7
        • threat
          • 3.Qxb7#
        • 2...Ka7
          • 3.Qxb7#
        • 2...Kb8
          • 3.Qxb7#
  • Tries
    • 1.Qa6+?
      • 1...Ra7
        • 2.Rd8#
        • 2.Qc8#
      • 1...Kb8!
    • 1.Qc8+?
      • 1...Rb8
        • 2.Ra4#
        • 2.Qa6#
      • 1...Ka7!
  • Keys
    • 1.Qd5!
      • threat
        • 2.Ra4+
          • 2...Kb8
            • 3.Qd8#
      • 1...Ka7
        • 2.Qa5+
          • 2...Kb8
            • 3.Rd8#
      • 1...Kb8
        • 2.Qd8+
          • 2...Ka7
            • 3.Ra4#
      • 1...Rh8
        • 2.Rb4
          • threat
            • 3.Qxb7#
          • 2...Ka7
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
          • 2...Rb8
            • 3.Ra4#

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