upgrade scalachess - for #1587
upgrade scalachess - for #1587

luanlv/lila,arex1337/lila,arex1337/lila,clarkerubber/lila,luanlv/lila,clarkerubber/lila,arex1337/lila,luanlv/lila,arex1337/lila,arex1337/lila,luanlv/lila,clarkerubber/lila,clarkerubber/lila,luanlv/lila,arex1337/lila,luanlv/lila,clarkerubber/lila,luanlv/lila,clarkerubber/lila,clarkerubber/lila,arex1337/lila