Played this card game a couple years ago while backpacking in South America with some Germans (I think).

There was a betting system, but we didn't use any chips or currency, etc. It had a somewhat similar strategic angle like poker, but was less reliant on chance or bluffing and more reliant on statistics and probability.

Basically you could bet 'knocks' (like, knocking on the table) - and you had 21 knocks and if you were more confident in your hand, you could bet additional knocks. If you hit 21 (or ran out, starting at 21, I can't remember), you lost. You had some cards out in the middle, but some in your own hand.

I wish I remembered more about the scoring of how you won hands but it was a long time ago...

  • I've never played this predecessor to Poker myself, but maybe en.wikipedia.org/wiki/Poch fits? i imagine the board could be well improvised
    – npst
    Nov 25, 2019 at 10:18

2 Answers 2


Could it have been a German variant of the Dutch game Toepen - https://www.pagat.com/last/toepen.html#knocking The knocking increases the stake in terms of 'lives'.


It sounds like it is Twenty-One; one of the variants of Black Jack which does not involve actual money.

At least it is helpful to count cards in Black Jack, that would match what you wrote about probability.

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