Puzzle - Chess Shredder

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Find Shredder’s first move (without an engine). Hint: Look at the a7, b7, c7 pawn chain. chess shredder puzzle

| | White (Human tries) | Black (Shredder defends) | | :--- | :--- | :--- | | King | g1 | g8 | | Queen | d4 | - | | Rook | - | f8 | | Pawns | a2, b2, f2, g2, h2 | a7, b7, c7, d5, e6, f7, g7, h7 | h2 | a7