r1bqkb1r/ppp1pp2/2n5/6pp/4P3/PPNP4/2P2nPP/R1KQ1BNR w kq - 0 10
FEN state: r1bqkb1r/ppp1pp2/2n5/6pp/4P3/PPNP4/2P2nPP/R1KQ1BNR w kq - 0 10 ; Best move: d1e1
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 bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at e7 and black pawn at f7. Black knight at c6. Black pawn at g5 and black pawn at h5. White pawn at e4. White pawn at a3, white pawn at b3, white knight at c3 and white pawn at d3. White pawn at c2, black knight at f2, white pawn at g2 and white pawn at h2. White rook at a1, white king at c1, white queen at d1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 10. White to move.