r1bqk1nr/pp1pb1p1/4Np1p/1np1pP2/3PP3/1B6/PPP3PP/R1BQK2R w KQ - 7 15
FEN state: r1bqk1nr/pp1pb1p1/4Np1p/1np1pP2/3PP3/1B6/PPP3PP/R1BQK2R w KQ - 7 15 ; Best move: d1h5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7, black bishop at e7 and black pawn at g7. White knight at e6, black pawn at f6 and black pawn at h6. Black knight at b5, black pawn at c5, black pawn at e5 and white pawn at f5. White pawn at d4 and white pawn at e4. White bishop at b3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 7. Full move number is 15. White to move.