[Event "Моя система. 1.1: 1.5 Пример"] [Site "https://live.chess-online.com/study/Vy19PmyH/pF1IiYQo"] [Result "*"] [Variant "Standard"] [ECO "D06"] [Opening "Queen's Gambit Declined: Marshall Defense"] [Annotator "https://live.chess-online.com/@/drnix"] [StudyName "Моя система. 1.1"] [ChapterName "1.5 Пример"] [UTCDate "2019.04.26"] [UTCTime "23:00:12"] [Source "https://live.chess-online.com/study/Vy19PmyH/pF1IiYQo"] [Orientation "white"] 1. d4 d5 2. c4 Nf6 3. cxd5! Qxd5 (3... Nxd5 4. e4) 4. Nc3 *