Unfortunately, aside from the complete game in the semifinals, i had to rely on highlights as for Russian games..
I watched every team Russia game, save [for the time being] the semifinal against Sweden, two times. I watched the game against the Czech Republic three times and reviewed most of the game against Finland a third time.
Makarov is indeed a very pleasant surprise for me, however for how i know Cherepanov i've have an hard time believing he is excedeed by Igor in puck poise.
I don't know if you have noticed in one game + highlights, but Cherepanov doesn't hang on to the puck much. For the most part he either moves it instantly or after a quick little move. While Cherepanov is quite shifty, he is also knocked off the puck in such situations, as exemplified in the Sweden game. Makarov, on the other hand, maintained puck possession for extended periods of time despite being challenged by opposing players. For example, Makarov regularly entered the offensive zone and set up there. His success rate at achieving this has been astounding; and the speed, skill, and puck poise (battling through checks) he displayed in doing so was unmatched by Cherepanov. In contrast to Cherepanov's play along the boards, Makarov prefered to twist&turn in double coverage, wreaking absolute havoc, and rarely loosing the puck in the process. Moreover, throughout the tournament Makarov displayed the ability to beat multiple opponents in a very limited amount of space and maintain control of the puck in doing so. An ability that Cherepanov lacks at this present time. Makarov has been much harder to contain or knock off the puck than Cherepanov, and as priorly mentioned, was thus responsible for the lion's share of Russia's powerplay advantages.
C'mon, Vasyunov is not a pylon and can score at the junior level at least. Maybe he sucked in the games i only watched through highlights but he didn't in the semifinal (the goal was a very nice shot btw, even if Gistedt was too deep in his net; but most other young European goalkeeper would have done the same and allowed that goal) and anyway i don't think he fits your description here.
To argue that Cherepanov's production has not benefited from playing with Krysanov+Bumagin instead of Anisimov+Vasyunov is quite silly in my eyes. Cherepanov's success has largely resulted from the great play and chemistry of the entire first line rather than individual exploits. The 3rd displayed drastically less combinational play, and would have been a hard place for Cherepanov to succeed to the same extent as Makarov. Yes, Vasyunov has been lousy and a huge disappointment - I have already detailed why. One good goal does not redeem a player for being largely useless the rest of the tournament.
The fact he is not as good as those other two defensively doesn't mean he doesn't defend at all though.. considering his 'history', in the semifinal his play in his defensive zone looked fair enough to me, actually i was even positively surprised (that's related with expectations of course
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Are you seriously going to make me go back and count the impressive number of takeaways both Anisimov and Makarov had, and then compare that to Vasyunov's meager number?