Petrov défense

hi all enjoy your chess game this day w'll see how trying be more solid in game that we play much calculation not give us a good idea to play chess so let's try less calculation and trying to have a good game 

so how to play a petrov defense without many calculation let's see

other 

so let's see

first game Tseshkovsky Vitaly 2581 vs Motylev Alexander 2665