Competitive Information for Chespin [Sun/Moon]
Grass
Abilities:
At 1/3 or less of its max HP, this Pokemon's offensive stat is 1.5x with Grass attacks.
This Pokemon is immune to bullet moves.

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Movesets for Singles
Looking for a competitive moveset for Chespin? These builds are optimized for Sun/Moon Single Battles. The movesets and EVs are designed to maximize damage against common opponents and threats in the Sun/Moon metagame. Check out the expert movesets below to boost your battle performance and dominate your opponents!
Prepare for battle with Chespin, a magnificent Pokémon boasting Grass attributes. Chespin is not a Pokémon anyone usually expects to see on the battlefield. The LC tier (Little Cup) is where it shines. It is weak to Bug, Fire, Flying, Ice, and Poison-typed attacks. Delve into Chespin's movesets below and strategize for victory!
Item: Grassium Z / Shell Bell
Ability: Bulletproof
Nature: Adamant (+Atk, -SpA)
EVs: 156 Hp / 252 Atk / 100 SpD
Moveset:
- Wood Hammer / Seed Bomb
- Superpower
- Iron Head / Thunder Punch
- Shadow Claw
Chespin stands out as a phenomenal Physical Sweeper in single battles. This moveset is tailored to take down the opponent's team with forceful physical power. The Shell Bell item option is to help Chespin recover from the recoil damage it may take from Wood Hammer. With Bulletproof, Chespin is immune to bullet moves. Iron Head or Thunder Punch are added to provide additional threat coverage. With a Grassium Z equipped to it, if Chespin has a grass move, this item allows it to use a grass z-move.
◆ Seed Bomb is a physical STAB-boosted 80-base power Grass-type move that deals a considerable amount of damage.
◆ Superpower is a physical 120-base power Fighting-type move (lowers your Chespin's attack and defense by 1 stage).
◆ Iron Head is a physical 80-base power Steel-type move (30% chance to make the target flinch).
◆ Thunder Punch is a physical 75-base power Electric-type move (10% chance to paralyze the target).
◆ Shadow Claw is a physical 70-base power Ghost-type move (high critical hit ratio).
Link (click to copy):
https://hohoushome.com/b/kaa28a
Item: Grassium Z / Life Orb
Ability: Bulletproof
Nature: Modest (+SpA, -Atk)
EVs: 156 Hp / 252 SpA / 100 SpD
IVs: 0 Atk
Moveset:
- Energy Ball / Grass Pledge
- Sludge Bomb
- Round / Snore
- Mud Shot
For those intense single battles, Chespin is a first-rate Special Sweeper. This moveset is formulated to overwhelm foes with formidable special power. Life Orb boosts the power of Chespin's damaging moves by 1.3x but it then loses 1/10 its max HP immediately after the attack. With Bulletproof, Chespin is immune to bullet moves. With a Grassium Z equipped to it, if Chespin has a grass move, this item allows it to use a grass z-move.
◆ Grass Pledge is a special STAB-boosted 80-base power Grass-type move (use with fire or water pledge for added effect).
◆ Sludge Bomb is a special 90-base power Poison-type move (30% chance to poison the target).
◆ Round is a special 60-base power Normal-type move (power doubles if others used round this turn).
◆ Snore is a special 50-base power Normal-type move (Chespin must be asleep. 30% chance to flinch target).
◆ Mud Shot is a special 55-base power Ground-type move (100% chance to lower the target's speed by 1 stage).
Link (click to copy):
https://hohoushome.com/b/kba28a
Movesets for Doubles
Need a strong doubles moveset for Chespin? These builds are perfect for VGC (Pokémon Video Game Championship) and other competitive Sun/Moon Double Battles. The VGC is the ultimate test of strategy and skill, and these movesets and EVs are designed to excel against multiple opponents at once while providing essential support to your team. Dominate the Sun/Moon metagame with these expert-crafted setups!
Item: Grassium Z / Shell Bell
Ability: Bulletproof
Nature: Adamant (+Atk, -SpA)
EVs: 156 Hp / 252 Atk / 100 SpD
Moveset:
- Wood Hammer / Seed Bomb
- Rock Slide
- Superpower
- Return / Body Slam
In double battles, Chespin is known as a marvelous Physical Sweeper. It's goal is to take down the opponent's team with overwhelming physical attacks. The Shell Bell item option is to help Chespin recover from the recoil damage it may take from Wood Hammer. With Bulletproof, Chespin is immune to bullet moves. With a Grassium Z equipped to it, if Chespin has a grass move, this item allows it to use a grass z-move.
◆ Seed Bomb is a physical STAB-boosted 80-base power Grass-type move that deals a good amount of damage.
◆ Rock Slide is a physical 75-base power Rock-type move (30% chance to make the foes flinch).
◆ Superpower is a physical 120-base power Fighting-type move (lowers your Chespin's attack and defense by 1 stage).
◆ Return is a physical 0-base power Normal-type move (max 102 power at maximum happiness).
◆ Body Slam is a physical 85-base power Normal-type move (30% chance to paralyze the target).
Link (click to copy):
https://hohoushome.com/b/laa28a
Item: Grassium Z / Life Orb
Ability: Bulletproof
Nature: Modest (+SpA, -Atk)
EVs: 156 Hp / 252 SpA / 100 SpD
IVs: 0 Atk
Moveset:
- Energy Ball / Grass Pledge
- Sludge Bomb
- Round / Snore
- Mud Shot
For those intense double battles, Chespin is a superior Special Sweeper. It's designed to crush rivals using heavy-hitting special power. Life Orb boosts the power of Chespin's damaging moves by 1.3x but it then loses 1/10 its max HP immediately after the attack. With Bulletproof, Chespin is immune to bullet moves. With a Grassium Z equipped to it, if Chespin has a grass move, this item allows it to use a grass z-move.
◆ Grass Pledge is a special STAB-boosted 80-base power Grass-type move (use with fire or water pledge for added effect).
◆ Sludge Bomb is a special 90-base power Poison-type move (30% chance to poison the target).
◆ Round is a special 60-base power Normal-type move (power doubles if others used round this turn).
◆ Snore is a special 50-base power Normal-type move (Chespin must be asleep. 30% chance to flinch target).
◆ Mud Shot is a special 55-base power Ground-type move (100% chance to lower the target's speed by 1 stage).
Link (click to copy):
https://hohoushome.com/b/lba28a
Movepool
Want to know what moves Chespin can learn? Check out the full list of moves available in the Pokemon Sun/Moon generation.
Sort and organize the learnset by type, category, accuracy, and power. Moves in bold get the same-type attack bonus (STAB) when used by Chespin.
Damage Modifiers:
Combo List
These are a list of several common move combinations Chespin can perform in Sun/Moon. Not every combo going to be game-changing, but some can be pretty fun to play with. Sometimes these can be easily overlooked or forgotten, hence why we find and list them here. Discover what items, abilities, and moves this Pokemon can use in combination with each other to gain a strategic advantage in competitive battles.
Competitive SM Move and Ability Combos for Chespin
- Moves: Defense curl + Rollout
- Moves: Sunny day + Solar beam
- Moves: Belly drum + Rest
- Moves: Rest + Sleep talk
- Moves: Rest + Snore
- Moves: Substitute + Drain punch
- Moves: Substitute + Leech seed
- Moves: Toxic + Leech seed
- Moves: Pain split + Toxic
- Ability: Overgrow + Item: Focus sash
- Move: Swagger + Item: Mirror Herb
- Move: Fling + Item: King's Rock
- Move: Facade + Item: Flame Orb
- Move: Facade + Item: Toxic Orb
- Move: Endeavor + Item: Focus Sash
- Moves with Priority: Helping Hand, Protect, Quick Guard
- Moves that Break Screens: Brick Break
- Moves that inflict status: Toxic
Moves that boost Chespin's stats
- Belly Drum
- Bulk Up
- Curse
- Defense Curl
- Iron Defense
- Power-Up Punch
- Swords Dance
- Work Up
Most notable and possible best moves for Chespin
- Protect
- Reflect
- Rest
- Taunt
- Toxic
Common Effort Values for Chespin in Sun and Moon
Usage Data
Explore the latest analytical usage data for this Pokémon from various VGC and online competitions. We use this data to develop our strategies and movesets. The data is categorized by competition and skill level: top-ranking trainers, mid-level players, and entry-level players.

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