The phrase "a material player" is correct and usable in written English.
It can be used to refer to someone or something that has significant influence or importance in a particular context or industry.
Example: "In the renewable energy sector, Company X has emerged as a material player, driving innovation and investment."
Alternatives: "a key player" or "a significant contributor".
Those games pit a material-minded player, who attempts to win as many of the opponent's pieces as possible, against an opponent who sacrifices material in pursuit of checkmate and usually wins.
But in a league where anything can become bulletin-board material, players on both sides likely view the game as a chance to defend their coach.
Bet365, Ladbrokes and Paddy Power are also very material players.
Recent history has proven it is not a wise choice to bet against Uber, though its expansion into China will likely include lots of volatility, and they may eventually turn to a "Yahoo-Alibaba" model where they own a material stake in a regional player.
But I don't expect that conclusions with respect to one particular player will have a material impact on how we move forward in this important area".
It might embolden other sporting bodies to take similar action if they knew that the ban was a material factor in encouraging our anonymous player to come out to his team-mates.
Using these materials players can create some of the most competitive items at any given level.
Yet even with such limited materials, players were able to build profound relationships, even if they were fleeting and ethereal.
The more positive the kindness function is, the higher the material payoff player i is giving to player j and the kinder we would evaluate player i to be.
The more negative the kindness function is, the lower the material payoff player i is giving to player j and the unkinder we would evaluate player i to be.
He has all the natural material a young player needs: exceptionally quick, strong in stature and confident in his own ability.
