No problem at all to use kit provided deck; i was just a bit puzzled with plank curving that was applied on the deck..Hello Moreplovac.
The planking board supplied with a kit is historically accurate. The kit was designed and developed based on research from the Russian Navy Archive. They use the original blueprints found. It is common for the desk planks to be curved. In fact, they can be of different width and even thickness. One of many examples would be Brig Le Cygne. Her deck planks are curved to the bow and the stern. Here are the photos from ANCE plans.
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The deck from the kit is beautifully embossed planks a treenail. Why not use it? In this scale, under the oil, it will be a great looking deck, IMHO. Maybe others have a different opinion