[Event "Casual Game"]
[Site "Online chess portal https://chess.cool"]
[Date "2025.12.20"]
[Round "-"]
[White "mongoll"]
[Black "Serginhio"]
[Result ""]

1. d4 d5 2. Nf3 Nf6 3. c3 Nc6 4. Bf4 g6 5. Nbd2 Bg7 6. e3 O-O 