Immortal draw "The greatest draw in history of chess"

Now it's a time to present a famous "Immortal draw". Amaizing in this game is that starting from move 11.Kb4 draw is forced from both side till the end!

This game was played  in Vienna in 1872 between Carls Hamper and Philipp Metner.

More about C.Hamper http://en.wikipedia.org/wiki/Carl_Hamppe

More about P.Metner http://en.wikipedia.org/wiki/Philipp_Meitner

I was always curious about correctness of this game and finally I did analyse myself 

And Black sacriface a Queen!

At the end we have repetition that both side are obligated to do

Another moves are simply losing..

If You have any Question related to this Game please leave a Comments and I will Answer