r1bqkb1r/1ppp1ppp/p1n5/P3p3/1P2n3/3PB1PP/2PQPPB1/RN2K1NR w KQk - 1 10
FEN state: r1bqkb1r/1ppp1ppp/p1n5/P3p3/1P2n3/3PB1PP/2PQPPB1/RN2K1NR w KQk - 1 10 ; Best move: d3e4
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 b7, black pawn at c7, black pawn at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at a6 and black knight at c6. White pawn at a5 and black pawn at e5. White pawn at b4 and black knight at e4. White pawn at d3, white bishop at e3, white pawn at g3 and white pawn at h3. White pawn at c2, white queen at d2, white pawn at e2, white pawn at f2 and white bishop at g2. White rook at a1, white knight at b1, white king at e1, white knight at g1 and white rook at h1. White kingside, white queenside and black kingside castles are available. Half move number is 1. Full move number is 10. White to move.