BASIC Hook: what you're actually deciding this turn
Their Garchomp is in, your Heatran is staring it down. Heatran can't dent the dragon, and one Earthquake takes off most of your HP. Your hand twitches toward switching Landorus-Therian in — hold on. The act of switching out is not a "free reset." It has a price tag.
This lesson sharpens exactly one action: stay in vs switch out. It's the central axis of every singles turn, and it's where 90% of beginners bleed HP, boosts, and information without noticing. The goal: turn this gut-feel choice into a number you can actually compute.
BASIC Core: momentum = who chooses, who reacts
Memorize one line first:
Momentum = you pick the matchups, they react. Whoever loses momentum is either eating a hit or gifting a free turn.
Singles has one active slot, so every turn you get two kinds of action:
- Stay in: click a move, or use Protect to scout (scouting costs your whole turn).
- Switch out: leave — you land in a better matchup next turn, but you "gift" this turn to the opponent.
A switch isn't a reset. It's buying a better matchup for the price of one turn. The question is always: is this matchup worth that price?
INTERMEDIATE Worked → Faded: turn "gifting" into a number
Fully worked first. Your Heatran faces Garchomp. You decide to switch Landorus-Therian in to eat the Earthquake — Landorus-Therian is part Flying-type, making it immune to Ground moves. The instant you switch, three things settle:
- Hazard chip: if they have Stealth Rock up, Landorus-Therian (Ground/Flying, neutral 1x to Rock) takes 12.5% on entry. A slice of its bar gone before it acts.
- The opponent's free turn: the moment you switch, Garchomp can skip Earthquake and click Swords Dance instead — Attack +2. Next turn its Earthquake is a near-guaranteed KO on basically anything you bring.
- Information leak: they now know you brought Landorus-Therian, sharpening their next prediction.
Add it up: you thought you "just swapped a mon," but you actually handed over a chunk of HP + a +2 + a revealed card. That's the true price of this one switch.
Your turn (faded). New scene: your Rotom-Wash faces Kingambit, no hazards up. You're thinking of switching Great Tusk in to threaten it. Run the bill yourself:
- No hazards, so entry chip = ____
- What can their free turn do? Kingambit most likely clicks Swords Dance for +____
- What did you reveal? = ____
You'll find: with no hazards the switch is far cheaper, but the "feed a Swords Dance" line never goes away. A switch's price is set mostly by two things — are hazards up, and can the opponent farm a free boost off the switch.
INTERMEDIATE When/Decision: the stay-or-switch read as if-X-then-Y
Don't memorize a formula. Run this chain in order:
- if I can deal big damage or score a KO this turn → then stay in. Removing one of their Pokémon is almost always worth it.
- else if the matchup means I deal nothing and they can KO me easily → then switch. Eating a hit for free is pointless; rotate to a matchup where you do work.
- else if I have something that naturally beats their active mon and the entry cost is controllable (no big hazard hit / no free boost fed) → then switch for the matchup.
- else if the opponent is likely switching too (the double-switch mind-game) → then switch with them and bet on a better landing spot.
- else (can't hurt them, scared to switch) → that's passive stay-in, the worst state. It usually means a teambuilding or bring problem — note it for review.
The core line: a switch buys a matchup for one turn; check the price tag (hazards + their free turn) before you pay.
INTERMEDIATE/ADVANCED Exceptions: where the simple rule breaks
- Boosts reset ≠ everything resets: switching wipes Attack/Defense/Speed etc. stages back to neutral — but status (poison, burn) does NOT clear on switch; it travels with the Pokémon. So "switch to shake off the debuff" works for stat drops, not for poison/burn.
- Regenerator inverts the switch cost: Pokémon with it (e.g. Slowking, Toxapex) heal 1/3 of max HP on switch-out. For them a switch isn't bleeding HP — it's active healing, so they can pivot constantly to grind tempo.
- Natural Cure makes "switch = cure": Natural Cure (e.g. Blissey) clears the user's status on switch-out, zeroing out — or even reversing — the switch cost.
- Champions already nerfed status: this game cut paralysis's full-stop from 25% to 12.5% (Speed still halved), sleep to 3 turns max, and freeze to 25% thaw/turn or a forced 3-turn thaw. So "switch just to dump status" pays less than in old gens — status isn't as deadly, so don't gift turns over it.
- Stealth Rock is not a flat tax: it charges by type effectiveness. A Fire/Flying mon like Talonflame (4x weak to Rock) loses 50%; a Dragon/Ground mon like Garchomp (0.5x resistant to Rock) loses just 6.25%. Same rock, an 8x difference in switch cost — so "can I pivot freely" is a per-Pokémon judgment, never one-size-fits-all.
INTERMEDIATE/ADVANCED Mistake-Autopsy: the classic beginner bleed
Scene. Beginner's Dragonite faces Rotom-Wash. Dragonite already got a turn of Dragon Dance — Attack and Speed both +1. Now the opponent brings in a sturdy-looking wall. The beginner thinks "can't break it, swap my Kingambit in to threaten it" — and switches.
Autopsy. That switch wipes the +1/+1 you just earned, instantly. When Dragonite comes back later, it's a blank slate again. You effectively spent a full Dragon Dance turn, then spent a switch to throw it in the trash — two turns gone both ways — and revealed Kingambit too.
Root cause: treating a switch as a costless "bring in someone who can hit," with zero accounting for the boosts you already invested.
The fix: when you're holding boosts, the switch price tag gets an extra line — "how many turns are the stages I'm wiping worth?" A +1/+1 Dragonite usually should keep clicking — power through, or trade the boosted hit into the wall — not zero out the investment. The higher the boost, the lower the bar to stay in.
INTERMEDIATE Predict-then-Reveal: guess before you flip
Setup: your Corviknight (Steel/Flying, 2x weak to Electric, neutral 1x to Rock) faces Garchomp. The opponent has Stealth Rock up. You want to switch Swampert in to eat the Earthquake and threaten back with Water moves.
Question: looking only at the hazard-chip line, when Swampert (Water/Ground, Ground-type resists Rock) switches in, what percent of its HP does it lose? Is that cost big or small?
(Answer first, then read on.)
Reveal: Stealth Rock against Water/Ground: Rock vs Water = 1x neutral, Rock vs Ground = 0.5x — combined 0.5x, so the switch-in loses only 6.25% of max HP — nearly nothing. By the hazard tax alone, this switch is dirt cheap. The real worry isn't that 6.25% — it's the "opponent's free turn" line: seeing a Water-type come in, Garchomp likely skips Earthquake for Swords Dance or pivots out. Remember the chain: cheap hazard tax ≠ cheap switch — you still have to price the free boost.
ADVANCED Now-Do-This: price every switch with the damage calc
Get into a Team Preview mindset and run a "switch price tag" drill on your own team. Pick the mon you most often hard-switch in as the defender, pick a common threatening attacker as the attacker, and check the type matchup:
Three steps to make it concrete:
- Compute the hazard tax: run that defender's type matchup against Stealth Rock — does it take 6.25% / 12.5% / 25% / 50%? Write the number down.
- Compute the free turn: have the attacker run the strongest hit or boost it's most likely to click on your defender. If the defender switches this turn, that hit (or the next one after a Swords Dance) is what the attacker gets for free. Check the 16-step damage roll: how many rolls KO your incoming mon (e.g. 12/16)?
- Conclude: hazard tax + the free hit handed over = that Pokémon's single-switch price tag. Low price (no 4x weakness, no farmable boost) means it's a pivot core you can switch often to seize tempo; high price means every switch on it has to actually buy a valuable matchup.
Tag every mon on your team once. Next game, "switch or not" stops being a feeling and becomes a bill you already added up in your head.