User:Orthotope/chests

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P(item) = (weight)/(sum of all weights)

P(at least one item in chest) = average (mean) of (1 - (1 - P(item))numItems), for each numItems in the possible range.

Chances are machine-calculated, assuming no item overwrites another; algorithm is believed to be correct.

Dungeon[edit]

8 items

Item Quantity Weight Chance
Saddle 1 10 50.15%
Iron Ingot 1 - 4 10 50.15%
Bread 1 10 50.15%
Wheat 1 - 4 10 50.15%
Gunpowder 1 - 4 10 50.15%
String 1 - 4 10 50.15%
Bucket 1 10 50.15%
Golden Apple 1 1 6.48%
Redstone 1 - 4 10 50.15%
Record '13' 1 10 50.15%
Record 'Cat' 1 10 50.15%
Name Tag 1 10 50.15%
Gold Horse Armor 1 2 12.58%
Iron Horse Armor 1 5 28.86%
Diamond Horse Armor 1 1 6.48%
Enchanted Book 1 1 6.48%

NPC Village[edit]

3-8 items

Item Quantity Weight Chance
Bread 1 - 3 15 59.85%
Apple 1 - 3 15 59.85%
Iron Ingot 1 - 5 10 45.13%
Iron Sword 1 5 25.64%
Oak Sapling 3 - 7 5 25.64%
Iron Chestplate 1 5 25.64%
Iron Pickaxe 1 5 25.64%
Obsidian 3 - 7 5 25.64%
Iron Leggings 1 5 25.64%
Gold Ingot 1 - 3 5 25.64%
Iron Helmet 1 5 25.64%
Iron Boots 1 5 25.64%
Diamond 1 - 3 3 16.21%
Saddle 1 3 16.21%
Iron Horse Armor 1 1 5.70%
Gold Horse Armor 1 1 5.70%
Diamond Horse Armor 1 1 5.70%

Strongholds[edit]

'chest corridor' (2-3 items):

Item Quantity Weight Chance
Bread 1 - 3 15 33.46%
Apple 1 - 3 15 33.46%
Iron Ingot 1 - 5 10 23.26%
Ender Pearl 1 10 23.26%
Iron Sword 1 5 12.12%
Redstone Dust 4 - 9 5 12.12%
Iron Chestplate 1 5 12.12%
Iron Pickaxe 1 5 12.12%
Iron Leggings 1 5 12.12%
Gold Ingot 1 - 3 5 12.12%
Iron Helmet 1 5 12.12%
Iron Boots 1 5 12.12%
Diamond 1 - 3 3 7.39%
Golden Apple 1 1 2.50%
Saddle 1 1 2.50%
Iron Horse Armor 1 1 2.50%
Gold Horse Armor 1 1 2.50%
Diamond Horse Armor 1 1 2.50%
Enchanted Book 1 1 2.50%


'room crossing' (1-4 items):

Item Quantity Weight Chance
Bread 1 - 3 15 47.54%
Apple 1 - 3 15 47.54%
Iron Ingot 1 - 5 10 34.33%
Coal 3 - 8 10 34.33%
Redstone Dust 4 - 9 5 18.60%
Gold Ingot 1 - 3 5 18.60%
Iron Pickaxe 1 1 3.97%
Enchanted Book 1 1 3.97%


library (1-4 items):

Item Quantity Weight Chance
Book 1 - 3 20 73.60%
Paper 2 - 7 20 73.60%
Map 1 1 5.68%
Compass 1 1 5.68%
Enchanted Book 1 1 5.68%

Mineshafts[edit]

3-6 items:

Item Quantity Weight Chance
Bread 1 - 3 15 59.65%
Pumpkin Seeds 2 - 4 10 44.55%
Melon Seeds 2 - 4 10 44.55%
Iron Ingot 1 - 5 10 44.55%
Coal 3 - 8 10 44.55%
Redstone Dust 4 - 9 5 25.01%
Gold Ingot 1 - 3 5 25.01%
Lapis Lazuli 4 - 9 5 25.01%
Diamond 1 - 2 3 15.72%
Rails 4 - 8 1 5.49%
Iron Pickaxe 1 1 5.49%
Saddle 1 3 15.72%
Iron Horse Armor 1 1 5.49%
Enchanted Book 1 1 5.49%

Temples[edit]

Desert/jungle temple chests have the same contents as of 1.6.1

Chest (2-6 items):

Item Quantity Weight Chance
Bone 4 - 6 20 69.28%
Rotten Flesh 3 - 7 16 60.51%
Gold Ingot 2 - 7 15 58.01%
Iron Ingot 1 - 5 10 43.32%
Diamond 1 - 3 3 15.30%
Emerald 1 - 3 2 10.45%
Saddle 1 3 15.30%
Iron Horse Armor 1 1 5.35%
Gold Horse Armor 1 1 5.35%
Diamond Horse Armor 1 1 5.35%
Enchanted Book 1 1 5.35%

Dispenser (2 items):

Item Quantity Weight Chance
Arrow 2 - 7 30 100%

Nether Fortress[edit]

2-5 items

Item Quantity Weight Chance
Diamond 1 - 3 5 22.30%
Iron Ingot 1 - 5 5 22.30%
Gold Ingot 1 - 3 15 54.87%
Gold Sword 1 5 22.30%
Gold Chestplate 1 5 22.30%
Flint and Steel 1 5 22.30%
Nether Wart 3 - 7 5 22.30%
Saddle 1 10 40.37%
Gold Horse Armor 1 8 33.60%
Iron Horse Armor 1 5 22.30%
Diamond Horse Armor 1 3 13.92%

Bonus Chest[edit]

10 items (only 15% chance of none being overwritten)

Item Quantity Weight Chance
Stick 1 - 3 10 87.10%
Planks 1 - 3 10 87.10%
Wood 1 - 3 10 87.10%
Wood Axe 1 5 62.15%
Wood Pickaxe 1 5 62.15%
Red Apple 2 - 3 5 62.15%
Stone Axe 1 3 43.54%
Stone Pickaxe 1 3 43.54%
Bread 2 - 3 3 43.54%