AURORA GAMESTwo Rivers, called F2 in Aurora, is two independent four-card boards flanked by River A and River B. Each board awards High and a qualifying 8-or-better Low. For every objective, Aurora evaluates Board + River A and Board + River B separately, then keeps the stronger legal construction.
How the F2 board is built
The rivers are shared alternatives, not a fifth card permanently attached to either row. Production places River A to the left of both four-card boards and River B to the right. That geometry matters: each objective can choose either side independently.
There is a betting round after every street. This is not a conventional double-board deal and not a bomb pot.
The exactly-one-river rule
Use the selected river plus exactly two of that row’s four cards and exactly two private cards.
The same objective also tests the other river, then keeps the stronger result.
Using both rivers, using neither river, or mixing cards from the Top and Bottom rows.
F2 has four board objectives
Every construction is Omaha-style: exactly two private cards plus exactly three public cards, one of which must be the selected river. F2 has no separate Hand High objective in the current production configuration. Point shares are tallied; the sole point leader wins the pot, while tied leaders chop.
Worked example A: all four objectives are live
This complete fixture was run through Aurora’s production evaluator. It shows why one global river choice would be wrong: Ben’s Top High uses River A, while his Top Low uses River B.
Final: Ben 3, Sam 1. Ben is the sole point leader and wins the pot.
Worked example B: the board looks low, but there is no Low
All four Top cards are ranks five or lower. In an ordinary five-card board view that looks rich in Low possibilities—but F2 does not let those four cards stand alone.
River A is a Queen and River B is a Jack. Neither can belong to an 8-or-better low, so neither legal five-card path qualifies. The production evaluator returns no L1 result.
What happens when a Low disappears?
Four objectives are contested.
The unavailable Low drops; three objectives remain.
Only the two High objectives remain.
How to read an F2 hand
- Separate the Top and Bottom boards.
- For Top High, test River A and River B independently.
- Repeat for Top Low, remembering the selected river must itself be low-eligible.
- Repeat both checks on the Bottom board.
- Compare the four point results—not one overall “best river.”
A river can strengthen a flush or full house on one objective while the other river is the only path to a Low. Blockers and scoop potential therefore change by row and by river. Before assuming a Low exists, confirm the full five-card public path contains three usable low ranks and can combine with exactly two private cards.
Common F2 mistakes
- Attaching River A to Top and River B to Bottom; both rivers are alternatives shared by both rows.
- Using both rivers or skipping the river.
- Mixing Top and Bottom cards.
- Assuming four low board cards guarantee a Low.
- Looking for Hand High; production F2 scores only H1, L1, H2 and L2.
- Transferring a dead Low point to High; F2 is diminishing-only.
Related learning
Review High-Low fundamentals, how low hands are read and the 8-or-Better qualifier. Compare the single-board objectives in HLH, the two complete boards plus Hand High in HLHLH, and the separate ESG card-recycling mechanic.
Play Two Rivers on Aurora
Start a room, select F2, and read each showdown path to see which river won each objective.
Start a room →