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river decision.
step 1.
put opponent on a (weighted) range.
step 2.
Figure out equity against said range. If we have 25%+ equity, the decision is between calling and raising. If we have 25% or less equity, the decision is between folding and raising. For all intents and purposes, let's just say raising = shoving. Let's also ignore metagame and variance considerations.
In any case, figure out the EV of a shove. Quick, possibly flawed maths:
hero has 144 of 726 eff stack in pre-river. so once villain bets, we're looking at a 436 pot with 582 behind. if we shove and villain folds, we win 436. If we shove and get called by better, we lose 582. If we shove and get called by worse, we win 874 (current pot + rest of opponent's stack). So do your best to figure out the %'s of each based off what you perceive his weighted range to be, and voila! we have the EV of a shove. it might look something like .5(436) + .45(-582) + .05(874), which just so happens to be approximately 0. Whatever this number is, compare it to the EV of folding (0), and calling ((equity*580)-144). Pick the best option. If options run very close together, the general hierarchy is raising > calling > folding, for metagame purposes.
The alternative is to base your play on other people's one-liners which are based on what their pre-conceived notions of what's standard are in particular spots.
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