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Some days I may open a hand from some given position that I would typically fold on other days.
a hand is either a profitable open or it is unprofitable. there is no in between preflop. with good reads you might exploit by folding more or raising more, or raising smaller or raising bigger(respectively with wider/tighter ranges). memorize standard preflop ranges. exploit on the margins of these standard ranges when u have reads.
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is my thinking correct that I should be trying to create a set strategy or have I misinterpreted what I've read online?
correct imo, unless youre playing vs the same 4 guys at a homegame every time.
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If I should try to create one, how can I go about doing this?
memorize preflop for every single position. to the effect that you could be up way past your bedtime but u still snap fold K9o two off the button.
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I assume part of it is constructing ranges. Should I be trying build a strategy for all spots (generalized, of course, I know I can't cover every spot)? Most spots?
no. there is not enough time in the universe for a human to memorize a strategy, however through simplification we may extrapolate from what we do know about good poker and effect solid plans for this street and future streets.
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How can I avoid being exploitable, or should I not worry about this at my poverty micro stakes?
actually i think knowing equilibrium calling/folding river frequencies is valuable at all stakes. the river is essentially a static game(there are no draws). and as such its pretty easy to learn the basics with 8th grade algebra.
$100 in pot. i bet $50. u need 25% equity to call profitably. if im bluffing 25% of the time, then if u have a hand that can only beat a bluff, calling is 0ev, as is folding.
if u have a hand that can beat some of my value hands, then calling will be slightly profitable for u.
thing is that u need to go to the river with a range that can withstand action vs decent players(vs donks my river ranges are typically weaker as i try to stack them on flop or turn more often). busted draws dont matter for this calculation, but the strength of your other hands on average will really impact your bottom line.
ok so i bet 50 into 100. if u wish to make me indifferent to bluffing then u should take the odds that i'm getting on the bluff(pays 2:1 for my investment) and out of the range of your hands that can beat a bluff, you should fold the worst 33.3forever3% of your range to make me indiffferent.
notice the correlation between the odds im getting on the bluff and your call/fold ratio. its the same number.
other example if i bet 100 into 100. bluff pays 1:1. so u fold/call 1:1. fold 50% of your effective river range(the hands that cant beat a bluff dont exist anymore, as long as u get to the river by making +ev checks bets calls and raises, these hands do not create river liability. bluffcatchers create river liability).
raising math is more complicated, but still u gotta make fold odds = the odds im getting on a bluff.
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Any tips on things I should be thinking about when working on this?
first i'd like to get u somewhat up to speed here on what is generally considered good poker strategy(this evolves over time).
https://forumserver.twoplustwo.com/1...08/?highlight=
im not always lurking here but u can pm me after u digest that.
gl, welcome.