Problem Display
PID: 183934 (8/R6p/4N2p/1P5K/1p1PkB2/1p3r1B/1b4Q1/8 w - - 0 1)

Dobbs, Gilbert S

Marble, Murray

American Chess Bulletin, 1907

8/R6p/4N2p/1P5K/1p1PkB2/1p3r1B/1b4Q1/8

#3

8 + 7


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qxf3+
        • 2...Kc2
          • 3.Bf5#
        • 2...Kc4
          • 3.Bf1#
    • 1...Kd5
      • 2.Qxf3+
        • 2...Kc4
          • 3.Bf1#
  • Tries
    • 1.Bg4?
      • threat
        • 2.Qxf3#
      • 1...Kd5
        • 2.Rc7
          • threat
            • 3.Qxf3#
          • 2...Ke4
            • 3.Qxf3#
      • 1...Kd3!
    • 1.Bf5+?
      • 1...Kd5
        • 2.Rc7
          • threat
            • 3.Rc5#
            • 3.Qxf3#
        • 2.Qxf3+
          • 2...Kc4
            • 3.Qc6#
      • 1...Kxf5!
    • 1.Rd7?
      • threat
        • 2.Qe2+
          • 2...Re3
            • 3.Qxe3#
      • 1...Kd3
        • 2.Qxf3+
          • 2...Kc2
            • 3.Bf5#
          • 2...Kc4
            • 3.Bf1#
      • 1...Bc1!
    • 1.Qc2+?
      • 1...Kd5
        • 2.Rd7#
        • 2.Qc6#
      • 1...Rd3
        • 2.Qc6#
      • 1...bxc2!
    • 1.Qe2+?
      • 1...Kd5
        • 2.Rd7#
      • 1...Re3!
    • 1.Qg6+?
      • 1...Kd5
        • 2.Qf5+
          • 2...Kc4
            • 3.Rc7#
      • 1...hxg6+!
  • Keys
    • 1.Ra2!
      • 1...Kd3
        • 2.Qxf3+
          • 2...Kc2
            • 3.Bf5#
          • 2...Kc4
            • 3.Bf1#
      • 1...Kd5
        • 2.Qxf3+
          • 2...Kc4
            • 3.Bf1#
      • 1...Bxd4
        • 2.Qxf3+
          • 2...Kxf3
            • 3.Bg2#
      • 1...bxa2
        • 2.Qc2+
          • 2...Kd5
            • 3.Qc6#
          • 2...Rd3
            • 3.Qc6#
      • 1...Ba1
        • 2.Qxf3+
          • 2...Kxf3
            • 3.Bg2#
      • 1...Bc1
        • 2.Qxf3+
          • 2...Kxf3
            • 3.Bg2#
      • 1...Ba3
        • 2.Qxf3+
          • 2...Kxf3
            • 3.Bg2#
      • 1...Bc3
        • 2.Qxf3+
          • 2...Kxf3
            • 3.Bg2#

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