Villain Archetype Glossary

TrainPoker drills assign each hand scenario a villain archetype, a player type defined by their typical playing style, VPIP/PFR statistics, and postflop tendencies. Understanding each archetype helps you move beyond GTO baseline play and toward exploitative adjustments that maximize EV against specific opponent types.

Quick Take

• Archetypes are shortcuts for how ranges and frequencies usually distort in practice.
• The exploit changes by type: steal more, value bet thinner, trap more, or bluff less.
• The goal is not to abandon theory. It is to deviate intentionally from the baseline.
• TrainPoker tracks postflop performance by archetype so you can find repeat mistakes faster.

Archetype Summary

Nit

Playing Style Overview

A Nit is an extremely tight, passive player who only enters pots with premium holdings. They play a very small percentage of hands and rarely apply pressure without strong justification. Nits are risk-averse by default. They prefer small pots and fold frequently to any aggression that threatens their stack.

VPIP/PFR Profile

VPIP: 12-15% Nits play only the top 12-15% of starting hands. At a 6-max table, this means roughly QQ+, AK, AQ, JJ, TT (and some suited connectors at the high end). Most hands are folded preflop.

PFR: 8-10% Even within the hands they play, Nits often limp or call rather than raise. A PFR of 8-10% means they raise only their premium hands and call the rest. This creates an imbalanced passive range.

Postflop Tendencies

Nits continuation bet when they connect and check-fold when they miss. They rarely bluff. When a Nit raises postflop, take it seriously because their hand is almost always the top of their range. Nits also tend to underbet for value (they fear getting raised) and call too little with second-best hands (they fear being dominated).

How to Exploit

Steal blinds aggressively. A Nit in the BB defends tightly. You can open wider from all positions, especially the SB, knowing they will fold all but premium hands.

Fold to Nit aggression. When a Nit 3bets, 4bets, or raises postflop, their range is extremely narrow, usually the top 2-3% of hands. Folding even moderately strong hands to Nit aggression is correct.

Bet and take pots away. On any board where a Nit is likely to have missed (wet boards, low boards), a single c-bet or probe bet on the turn will fold their range frequently.

Calling Station

Playing Style Overview

A Calling Station is a loose, passive player who enters many pots and calls with wide ranges on every street. They almost never fold once committed and rarely raise or bluff. Calling Stations are the most profitable opponent to play against when you have a strong hand. However, they punish bluffs severely.

VPIP/PFR Profile

VPIP: 45-55% Calling Stations play nearly half the deck preflop. Their range includes marginal hands (T7o, 63s, A2o) that most players fold.

PFR: 5-8% Extremely low aggression. They almost always call rather than raise, even with strong hands like KK or flopped sets. The gap between VPIP and PFR is the defining stat: if VPIP - PFR is more than 30 points, you are looking at a Calling Station.

Postflop Tendencies

Calling Stations call down with any pair, any draw, and often ace-high. They rarely raise for protection or value. On the river, they call with hands that "beat a bluff," such as second pair, weak top pair, or even ace-high. They do not fold to pressure.

How to Exploit

Value bet thinly and frequently. If a Calling Station calls with second pair and ace-high, you can profitably bet three streets with top pair weak kicker or even second pair on dry boards. Expand your value range. Bet with hands you would normally check for pot control.

Bet large. Calling Stations are not pot-odds aware. They will call a large bet with the same hand they would call a small bet with. Maximize value by sizing up on value streets.

Never bluff. This is the cardinal rule. A bluff against a Calling Station burns chips. They will call three streets with bottom pair. Skip the bluff; wait for value.

LAG (Loose Aggressive)

Playing Style Overview

A Loose Aggressive (LAG) player enters many pots and plays them aggressively. They 3bet wide, c-bet frequently, and apply constant pressure. LAGs are difficult to play against because their wide range includes strong hands, bluffs, and everything in between. You cannot easily put a LAG on a hand.

VPIP/PFR Profile

VPIP: 30-40% Wide preflop range including suited connectors, weak suited aces, offsuit broadways, and most pairs.

PFR: 25-35% High aggression percentage. The gap between VPIP and PFR is narrow (often 5-10 points), meaning they raise the vast majority of hands they play. Rarely limps.

Postflop Tendencies

LAGs c-bet at high frequency on all board textures. They also apply significant turn and river pressure, often triple-barreling. However, their wide range means they are frequently bluffing. Their value-to-bluff ratio is skewed toward bluffs compared to tighter players.

How to Exploit

Trap with strong hands. A LAG will do the betting for you. With a strong hand (set, two pair, top pair on a dry board), check-calling or slow-playing can induce additional bluffs and grow the pot without ever having to initiate.

Call down wider. Because LAGs bluff frequently, your call-down threshold should be lower. Second pair or top pair weak kicker may be a profitable call on multiple streets against a LAG.

Reraise for value. When you have a strong hand, reraising (3betting preflop, check-raising postflop) is very effective against LAGs. They are often continuation betting weakly, so a raise forces them to fold or commit more with a wide, weak range.

TAG (Tight Aggressive)

Playing Style Overview

A Tight Aggressive (TAG) player is the GTO-adjacent archetype: tight preflop ranges, aggressive with those ranges postflop. TAGs are the most difficult opponent type to exploit because their balanced approach has few systematic weaknesses. They are not as tight as a Nit (they 3bet appropriately and apply postflop pressure) and not as loose as a LAG (they do not give action with garbage hands).

VPIP/PFR Profile

VPIP: 20-25% A solid preflop range including most value hands and selected speculative holdings in position. Comparable to GTO opening frequencies.

PFR: 18-22% High PFR close to VPIP, indicating frequent opens and 3bets rather than calls. The gap is narrow, and TAGs almost always raise rather than limp.

Postflop Tendencies

TAGs c-bet at balanced frequencies, adjusting for board texture. They give up on bad runouts rather than bluffing blindly. Their value-to-bluff ratio is near GTO, making them difficult to exploit systematically. TAGs protect their checking ranges and do not give away hand strength through bet sizing tells.

How to Exploit

Position. TAGs play well but still suffer from being OOP. Exploit them by playing pots in position whenever possible and using positional advantage to control pot size and extract value.

Thin value. TAGs fold weak hands but call with reasonable holdings. Thin value bets on the river, such as betting top pair weak kicker or second pair in spots where they may call with worse, can extract additional EV that you would not get from bluff-averse tighter players.

Avoid spewing. Do not manufacture spots against TAGs. They do not over-fold to aggression and they do not over-call either. Pick your spots carefully and avoid elaborate multi-street bluffs because TAGs are the opponent most likely to correctly read and call them.

Maniac

Playing Style Overview

A Maniac is an extreme version of the LAG, entering nearly every pot and applying massive aggression at every opportunity. Maniacs frequently 3bet, 4bet, and barrel with very wide ranges. Their ranges are so wide that they include many weak hands, making them profitable to trap against. However, the runout of pots can be chaotic and variance is high.

VPIP/PFR Profile

VPIP: 55%+ Maniacs play more than half the deck, including hands that are clear folds at any reasonable poker table.

PFR: 45%+ Extremely high aggression. They raise or 3bet rather than call in almost every situation. Maniacs rarely call. They bet or they fold.

Postflop Tendencies

Maniacs bet large and bet often. Their c-bet frequency approaches 90-100% of flops and they barrel turn and river frequently regardless of their hand. Their ranges are highly polarized: they hold the nuts or complete air with disproportionate frequency. They almost never have medium-strength hands in their range because those hands would have folded earlier or been raised into stronger hands through aggression.

How to Exploit

Call down with strong hands. The Maniac will do the work. With top pair or better on most boards, check-calling allows them to bluff off their stack. Raising immediately may cause them to fold (giving up bluffs) rather than committing more.

Avoid small pots. Do not try to pot-control against a Maniac. They will put in the money regardless. Accept that pots will be large and size your pre-hand range selection accordingly. Enter pots with hands strong enough to play for stacks.

Do not bluff. Maniacs rarely fold. Their wide, aggressive range means they are calling or reraising, not folding. Bluffing into a Maniac is burning chips. Wait for value, call down, and let their aggression build the pot for you.

Trap with the nuts. The biggest profits come from flopping or turning very strong hands and allowing the Maniac to barrel off. Slow-playing becomes significantly more valuable against Maniacs than against any other archetype.

Using Archetypes in TrainPoker

Each postflop drill hand in TrainPoker identifies the villain archetype. Your accuracy statistics are tracked per archetype, so the weakness mode can identify whether your biggest leaks occur against specific opponent types. For example:

• Consistently losing to Calling Stations suggests over-bluffing or under-value-betting.
• Poor performance against Maniacs suggests calling down too rarely or folding too much to large bets.
• Low TAG accuracy is the hardest to fix because it requires tightening your exploitative adjustments and trusting the GTO baseline more.

Reference this glossary when you see an archetype in a drill context to remind yourself of the optimal adjustment strategy.