>>>>>>>Iif( Mod(NUMBER_TO_REACH,1000) = 0, 1, Mod(Mod(NUMBER_TO_REACH, 1000 ),11 ) )
>>>>>>
>>>>>>I'm not sure, need to think. For 100, it's 1, for 200 it's 2, for 300 it's 3, etc.
>>>>>
>>>>>I think at after 1000 it starts all over again back at 1 again.
>>>>
>>>>Right, but we assumed, that number should be round, e.g. 100, 200, 300. What if it's any integer number greater than 10?
>>>
>>>Actually, I modified the formula to look like.
>>>Iif( Mod(NUMBER_TO_REACH,1000) = 0, Mod( NUMBER_TO_REACH, MAX_CHOICE + 1 ), Mod(Mod(NUMBER_TO_REACH, 1000 ),MAX_CHOICE + 1 ) )
>>>
>>>It turns out that if you get back 0, the first person loses. And that's the case if Mod( NUMBER_TO_REACH, MAX_CHOICE + 1 ) = 0.
>>>
>>>So If
>>>NUMBER_TO_REACH = 20
>>>MAX_CHOICE = 9
>>>
>>>Player 1 will lose.
>>
>>Player 1 says 9 and win. In this game player one will always win as long as number is greate than 11.
>In this example the MAX_CHOICE is the highest number the player can choose so 9 instead of 11 is the max.
>
>1 says 9
>2 says 10
>
>Now whatever player 1 says
>2 says 20 and wins.
>
>1 says 19
>2 says 20 and wins.

The player can say any number from one to 10, 10 included. Otherwise you would be right.