FEN
[Event "qq自由约棋赛 add2"]
[Site "https://haichess.com/WfrlNHlv"]
[Date "2020.08.22"]
[Round "-"]
[White "test"]
[Black "QQ"]
[Result "1/2-1/2"]
[UTCDate "2020.08.22"]
[UTCTime "08:57:01"]
[WhiteElo "1410"]
[BlackElo "1609"]
[WhiteRatingDiff "+7"]
[BlackRatingDiff "-5"]
[Variant "标准国际象棋"]
[TimeControl "300+0"]
[ECO "B07"]
[Opening "King's Pawn Game: Maróczy Defense"]
[Termination "Normal"]
[Annotator "haichess.com"]
1. e4 d6 2. d4 e5 { B07 King's Pawn Game: Maróczy Defense } 3. dxe5 dxe5 4. f4? { (0.71 → -0.51) 错误：最佳着法是 Qxd8+. } (4. Qxd8+ Kxd8) 4... exf4? { (-0.51 → 0.92) 错误：最佳着法是 Qxd1+. } (4... Qxd1+ 5. Kxd1) 5. Bxf4? { (0.92 → -0.34) 错误：最佳着法是 Qxd8+. } (5. Qxd8+) 5... Nc6? { (-0.34 → 1.06) 错误：最佳着法是 Qxd1+. } (5... Qxd1+) 6. Nc3 { The game is a draw. } 1/2-1/2
