left_col,right_col,sample_type
black_id,Player ID,P
black_id,rating,P
turns,opening_response,N
turns,Mate By,N
white_id,Game Type,N
white_id,turns,N
white_id,black_id,N
white_id,opening_response,N
white_id,opening_variation,N
white_id,Higher Rating,N
white_id,Mate Move,N
white_id,Mate By,N
white_id,Winner Rating,N
white_id,Total Game Minutes,N
white_id,Chess Type,N
white_rating,opening_response,N
white_rating,Mate By,N
black_id,Game Type,N
black_id,time_increment,N
black_id,moves,N
black_id,opening_code,N
black_id,opening_response,N
black_id,Higher Rating,N
black_id,Mate Move,N
black_id,Mate By,N
black_id,Winner Rating,N
black_id,Total Game Minutes,N
black_id,Chess Type,N
black_rating,opening_response,N
black_rating,Mate Move,N
black_rating,Mate By,N
moves,game_id,N
moves,Game Type,N
moves,victory_status,N
moves,winner,N
moves,time_increment,N
moves,white_id,N
moves,white_rating,N
moves,black_id,N
moves,black_rating,N
moves,Winner Name,N
moves,Higher Rating,N
moves,Winner Rating,N
moves,Total Game Minutes,N
moves,Chess Type,N
moves,Player ID,N
moves,rating,N
opening_code,opening_response,N
opening_response,Mate Move,N
opening_response,Mate By,N
opening_response,Chess Type,N
Winner Name,winner,N
Winner Name,opening_response,N
Winner Name,Higher Rating,N
Winner Name,Mate Move,N
Winner Name,Mate By,N
Mate Move,winner,N
Mate Move,Chess Type,N
Winner Rating,opening_response,N
Winner Rating,Higher Rating,N
Winner Rating,Mate Move,N
Winner Rating,Mate By,N
Player ID,Game Type,N
Player ID,victory_status,N
Player ID,time_increment,N
Player ID,black_rating,N
Player ID,opening_moves,N
Player ID,opening_response,N
Player ID,opening_variation,N
Player ID,Higher Rating,N
Player ID,Mate Move,N
Player ID,Mate By,N
rating,opening_response,N
rating,Mate Move,N
rating,Mate By,N