https://tablebase.lichess.ovh/tables/standard/3-4-5/KBvK.rtbw
https://tablebase.lichess.ovh/tables/standard/3-4-5/KBvKB.rtbw
https://tablebase.lichess.ovh/tables/standard/3-4-5/KBBvK.rtbw
https://tablebase.lichess.ovh/tables/standard/3-4-5/KBBvKB.rtbw
https://tablebase.lichess.ovh/tables/standard/6-wdl/KBBvKBB.rtbw
https://tablebase.lichess.ovh/tables/standard/6-dtz/KBBvKBB.rtbz