 Endgame tablebases have solved a very limited area of chess , determining perfect play in a number of endgames , including all non @-@ trivial endgames with no more than six pieces or pawns ( including the two kings ) . Seven @-@ piece endgames were solved in 2012 and released as " Lomonosov tablebases " . 
 Endgame tablebases <a href='been_done' title='1'><mark>have</mark></a> solved a very limited area of chess , determining perfect play in a number of endgames , including all non @-@ trivial endgames with no more than six pieces or pawns ( including the two kings ) . Seven @-@ piece endgames <a href='uninflect' title='2'><mark>were</mark></a> solved in 2012 and released as " Lomonosov tablebases " . 
Endgame tablebases done solved a very limited area of chess , determining bumpin play in a number of endgames , including all non @-@ trivial endgames with no more den six pieces or pawns ( including da 2 kings ) . Seven @-@ piece endgames was solved in 2012 and released as " Lomonosov tablebases " .