Memory tells me Wikipedia is correct.
https://en.wikipedia.org/wiki/Kobayashi_Maru
As much as I like wikipedia, it is user based so garbage in, garbage out so to speak.
I can recall the episode but am unable to find it and am tempted at (my own peril of persecution) to contact Trekkies.
I have found several references to the episode/scene I recall so vividly in written form.
I started watching ST in B &W back in the day and even in old age, long term memory is better than short term.
Kirk, McCoy, Scotty, Sulu, and Chekov are in a busted landing craft with no means of repair so all of the command officers tell McCoy about their experiences with the test while awaiting certain death.
Chekov ejects everybody and blows up his starship destroying the klingon enemy's. All those he sent off in escape pods also died from the nuclear explosion of all the ships,
Sulu chickened out and did not enter the zone to rescue and I forgot what Scotty did.
In the end, Spock rescued them all fror burning up in re-ntry to some planet by beaming them aboard.
I had to have seen it as I highly doubt I would have read a written version at 8-10 yrs old