r1bq4/p1Nkb3/3pp2r/5pB1/6nn/1P1P2PP/P1P1PP2/1RQ1KB1R b K - 0 17
FEN state: r1bq4/p1Nkb3/3pp2r/5pB1/6nn/1P1P2PP/P1P1PP2/1RQ1KB1R b K - 0 17 ; Best move: e7g5
The current state of the chess board is: Black rook at a8, black bishop at c8 and black queen at d8. Black pawn at a7, white knight at c7, black king at d7 and black bishop at e7. Black pawn at d6, black pawn at e6 and black rook at h6. Black pawn at f5 and white bishop at g5. Black knight at g4 and black knight at h4. White pawn at b3, white pawn at d3, white pawn at g3 and white pawn at h3. White pawn at a2, white pawn at c2, white pawn at e2 and white pawn at f2. White rook at b1, white queen at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 17. Black to move.