Transfer himself to death

Hello,
is legal in some situation to transfer himself to death on tournament? And is legal to tranfer himself near to death (for example to one pool)?

Practical example: there are five players: A, B, C, D and E. Player C kills players D and E. Then player A which play combat deck kill all minions of players B and C. Can player C decide to tranfer himself to death? He have no chance for another point. And he decide to give point to player B. So there will not be game win.

Other than Play to Win rule, there is nothing preventing you from self-ousting or near self-ousting.

Kiddo's answer is correct.
If C has absolutely no chance of getting more than 0, she may decide how to gain this 0 VP. This can be achieved via self-ousting.

Pascal wrote:

If [a Methuselah] has absolutely no chance of getting more than 0, she may decide how to gain this 0 VP. This can be achieved via self-ousting.

Everyone should note, however, that the individual who has final say on whether or not a player may self-oust is not the player themselves, but the head judge.

My suggestion is that if ANYONE at the table believes that the self-ousting player is able to easily achieve ANY VPs -- even 0.5 -- then the head judge should be called over to the table, have the situation explained to them, and the suspicious players should do their best to have the head judge rule the self-ousting player unable to self-oust.

In over one hundred tournaments that I have judged, players know better than to self-oust willy-nilly on me, because I tell everyone that I'm going to stop them from doing it if they are being poor sports and they are obviously able to get more than 0 VPs (which is the case with 99.99% of self-ousts). So, players at my tournaments just don't act this way, almost ever. They Play To Win.

It has happened twice, that I have had to rule a self-oust illegal and FORCE the player to continue playing. In one case, the player achieved 1 VP fairly easily, and almost got 2. In another case, the dumb ass got a Game Win.

C already has 2 VP, thus selfoust assured him that although he had not GW he had most VP in the game with player A of course.

Ok, I change a little example situation:

5 players, A,B,C,D,E. Player C kills players D and E. Player A then put in torpor all B's minions and 1 of 3 C's minions. So player C still have two minions. But they have only bleed 1 and no chance to increase it. Player A have 20 pools (and four minions), Player B 6 pools and player C 3 pools. Player C have theoretical chance to win - he have ready minions an can bleed. Is legal for player C to oust himself?

This is real situation. I am player A and was little shocked when player C ousted himself. Head judge confirmed that it is ok.