[Event "Rules of atomic: Illegal moves"] [Site "https://lichess.org/study/Y9Aj5y3j/AVDvSCCW"] [Result "*"] [Variant "Atomic"] [ECO "?"] [Opening "?"] [Annotator "https://lichess.org/@/Illion"] [StudyName "Rules of atomic"] [ChapterName "Illegal moves"] [UTCDate "2017.08.16"] [UTCTime "22:11:47"] [Source "https://lichess.org/study/Y9Aj5y3j/AVDvSCCW"] [Orientation "white"] { It is illegal to play a move that leaves your own king in check (unless it explodes the opponent's king), or that explodes your own king. } 1. Nh3 f6 2. Nc3 c6 3. e3 d5 4. Ng5 fxg5 5. Qh5+ g6 6. Qe5 Be6 7. Nb5 cxb5 8. Bb5+ Nc6 9. Qc7 { Black cannot play 9...Qxc7, as the knight on c6 would die, exposing the king to check from the white bishop. } { [%csl Bc7,Bc6][%cal Bd8c7,Rb5e8] } 9... Kf7 10. Qxe7# *