rnb3nr/p1Np1k2/1pp2ppp/2b1p3/2P1PPqN/P2P4/1P1BQ1PP/1R2KB1R w K - 3 16
FEN state: rnb3nr/p1Np1k2/1pp2ppp/2b1p3/2P1PPqN/P2P4/1P1BQ1PP/1R2KB1R w K - 3 16 ; Best move: e2g4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at a7, white knight at c7, black pawn at d7 and black king at f7. Black pawn at b6, black pawn at c6, black pawn at f6, black pawn at g6 and black pawn at h6. Black bishop at c5 and black pawn at e5. White pawn at c4, white pawn at e4, white pawn at f4, black queen at g4 and white knight at h4. White pawn at a3 and white pawn at d3. White pawn at b2, white bishop at d2, white queen at e2, white pawn at g2 and white pawn at h2. White rook at b1, 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 3. Full move number is 16. White to move.