Problem Display
PID: 20140 (2KB1k2/8/6Q1/1p2p3/2p5/4r3/6n1/2n5 w - - 0 1)

Gulyaev, Aleksandr Pavlovich (aka Grin, AP)

Kofman, Rafael Moiseevich

3rd Prize, La Strategie, 1936-1937

2KB1k2/8/6Q1/1p2p3/2p5/4r3/6n1/2n5

#4

3 + 7


3773 FIDE Album (1914-1944) (II) 1972

SOLUTION


  • SOUND
  • Keys
    • 1.Ba5!
      • threat
        • 2.Bb4#
      • 1...Rb3
        • 2.Bb6
          • threat
            • 3.Bc5#
          • 2...Rd3
            • 3.Bc5+
              • 3...Rd6
                • 4.Bxd6#
          • 2...Sd3
            • 3.Bc7
              • threat
                • 4.Bd6#
              • 3...Ke7
                • 4.Bd6#
      • 1...Sa2
        • 2.Bb6
          • threat
            • 3.Bc5#
          • 2...Rd3
            • 3.Bc5+
              • 3...Rd6
                • 4.Bxd6#

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