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9b53dad
load_pgn()
1. d4 d5 2. Bf4 Nf6 3. e3 g6 4. Nf3 (4. Nc3 Bg7 5. Nf3 O-O 6. Be2 c5) **4...** Bg7 5. h3 { 5. Be2 O-O 6. O-O c5 7. c3 Nc6 } **5...** O-O
25. Rb3 $1 h4
pgn()
validate_fen()