I feel experience is a performance multiplier which improves everything across the board.
i do agree!
As i said, this is about best skilled player. as well as the experiences also the game shape is kinda skill which effects the performance (and a lot!) but i havent included it becose it is not trainable skill. 
 
                                
                                
                                
                                
                                
                                
                                    1 BBB, 25 Leagues, 11 Tournaments, 3 Europe Titles (SVK), 2 World Bronzes (SVK), 2 Europe Bronzes (SVK,FRA), 51 Seasons NT coaching