Nível 01 [Event “Chessboard Editor at Apronus.com”] [Site “https://www.apronus.com/chess/puzzle/editor.php”] [Date “2020.04.11”] [Round “-“] [White “?”] [Black “?”] [Result “*”] [SetUp “1”] [FEN “r6r/pppppppp/8/8/8/8/PPPPPPPP/R1R2R1R w – – 0 1”] Nível 2 [Event “Chessboard Editor at Apronus.com”] [Site “https://www.apronus.com/chess/puzzle/editor.php”] [Date “2020.04.11”] [Round “-“] [White “?”] [Black “?”] [Result “*”] [SetUp “1”] [FEN “r2rr2r/pppppppp/8/8/8/8/PPPPPPPP/R1RRRR1R w – – 0 1”] Nível 3 [Event “Chessboard Editor at Apronus.com”] [Site “https://www.apronus.com/chess/puzzle/editor.php”] [Date “2020.04.11”] [Round “-“] [White “?”] [Black “?”] [Result “*”] [SetUp “1”] [FEN “rr1rr1rr/pppppppp/8/8/8/8/PPPPPPPP/RRRRRRRR w – – 0 1”]