[Event "Chess principles in the opening: Avoid moving pawns in front of king"]
[Site "https://lichess.org/study/bXZ9oJlq/ut7PKi9V"]
[Result "*"]
[Variant "Standard"]
[ECO "?"]
[Opening "?"]
[Annotator "https://lichess.org/@/realhercules"]
[FEN "r4rk1/4qp1p/p1np2p1/2b1p3/1p2P2P/1BN2P2/PPPQ2P1/1K1R3R w - - 0 1"]
[SetUp "1"]
[UTCDate "2020.04.24"]
[UTCTime "04:40:33"]
[Source "https://lichess.org/study/bXZ9oJlq/ut7PKi9V"]
[Orientation "white"]
{ The d5 square is another hole in in the black’s position. The white knight jumps in with tempo }
1. Nd5 Qd8 { The queen has to keep f6 protected. Black is mated after } (1... Qb7 2. Qh6 a5 (2... f5 3. Ne7+ Kh8 4. Nxg6#) 3. Nf6+ Kh8 4. Qxh7#) 2. Qh6 { White's queen arrives on the scene. Now she's ready for h5 and hxg6. } 2... Nd4 { The counterattack is way too slow } 3. h5 Ra7 { The rook gets ready to defend h7. } (3... Nxb3 4. hxg6 fxg6 5. Qxh7#) 4. hxg6 fxg6 { And White has mate in two moves. Try to spot it } *