Gata Kamsky Vs Alexander Morozevich @ Grand Prix Thessaloniki 2013

This Game Played Between Gata Kamsky(white) And Alexander Morozevich(black) in Grand Prix Thessaloniki 2013 , Round 8.
Opening- Closed Lopez : Chigorion Defence.
Up to Move 17 game going smooth . but Back played His First weak move at Move 17. 3:06
Back played Second Weak Move at Move 20. 6:34
Last Weak Move by black at move 22 . 9:32