Base Earnings

The two most important currencies in World of Warships — Credits and Experience in its several forms — are earned primarily by fighting battles. This article discusses how the base amounts of experience and credits are determined from a ship's performance in battle. While the formulas for the calculation of base earnings are not published, the factors affecting the base amounts are known.

From these base amounts the final rewards for the battle are calculated. (These formulas are well known. See the Economics article for details.)

Note: Special rules apply for ships participating in Clan Battles.

Base Earnings Revealed

The amounts of base earning appear in the post-battle report.

Base XP appears on the post-battle report 'Team Score' tab and is used to rank team performance. It also appears on the 'Credits and XP' tab in the left-hand (non-premium) column as XP/Received/Earned where its use in calculating derived XP values is broken out.

Base Credits earned appears on the 'Credits and XP' tab on the top line of the left-hand column. (The right-hand column is modified by Premium Account).

Experience

Experience is primary currency in World of Warships. Players earn experience in the same way as they do Credits through battles and special missions. Experience is measured by Experience Points (XP). There are several types of experience.

Ship Experience (XP)

Ship experience (usually just 'XP') is the main type of experience. It is used to research (unlock) new ship modules and the next tier ship(s) in the tech tree, allowing the player to progress. Once researched, a module or ship can be bought for Credits, and if later sold need not be researched again.

On the post-battle 'Personal Score' tab, (modified) ship XP is displayed next to the silver star, and on the 'Credits and XP' tab as Total: in the appropriate column.

All types of experience — ship XP, Free XP, commander XP — derive from Base XP.

Base XP

Base XP (sometimes BXP) is the experience earned directly from a ship's performance in battle. See Earning Credits and Experience below for factors that determine base experience.

Base XP is modified by various bonuses to yield the modified ship XP used to research modules and ships, and Elite XP. It is also the basis of earned Free experience and Commander experience. See the Economics article for how these derived values are calculated.

Is rarely used directly, Missions may require the accumulation of Base XP as the mission objective.

Earning Credits and Experience

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For visual learners.

After a battle, each player receives base credits and experience according to his contribution to the battle.

Factors affecting the base amounts are listed below.   N.b. that while these factors are used to calculate both XP and Credits, how they are used is not identical between the two.

In-game Actions

• The greatest base earnings come from damage done to enemy ships.
• The rewards for damage is determined by the percentage of the target ship's hit points removed, not the amount of raw damage done. Removing 90% of a destroyer's HP will generate the same base earnings as removing 90% of battleship's HP (assuming that they are of same tier).
• The damage award scales depending on the tier disparity between ships. More is earned for damaging a higher tiered than a lower tiered ship.

Credits

Action	Credits
	Frags (enemy kills) award credits the equivalent of 25% of the target's hit points in damage.
	The tier of the aircraft carrier that the planes left from will be considered as the tier disparity. In 0.8.3, only the number of shot down planes are calculated into credits. This will change in the near future to damage done to planes.
	Captured will reward credits the equivalent of 1/3 of the target's hit points in damage.
	If several ships contribute to the capture, the reward depends on the contribution of your capture.
	The reward for blocking capture is the same as the above and depends on the duration of the enemy's capture.

Base exeperience points

Action	Base exp.
	Frags (enemy kills) award base exp. the equivalent of 10% of the target's hit points in damage.
	The tier of the aircraft carrier that the planes left from will be considered as the tier disparity. In 0.8.3, only the number of shot down planes are calculated into base exp. This will change in the near future to damage done to planes.
	Captured will reward base exp. the equivalent of 2/3 of the target's hit points in damage.
	If several ships contribute to the capture, the reward depends on the contribution of your capture.
	The reward for blocking capture is the same as the above and depends on the duration of the enemy's capture.

Tanking and Spotting

• The following typically contribute less than 15% of total earned credits and base XP.

Potential damage

• Tanking and potential damage is rewarded. Potential damage is the sum of the maximum damage of all shells, bombs, torpedoes, etc. that hit the ship or pass within 700m.

• Different modifiers are applied to ship types. For example, the battleship earn the most amount of credits and base xp and the aircraft carrier the least if they received the same amount of potential damage.
• The order of this is same as below

Detection

• Detection - detecting a ship for the first time or detecting one that has been undetected for at least 90 seconds:
  • CV receives 0.75% of XP/Credits of the reward for full HP damage to the detected ship.
  • BB receives 1.50% of XP/Credits of the reward for full HP damage to the detected ship.
  • DD receives 2.00% of XP/Credits of the reward for full HP damage to the detected ship.
  • CR receives 3.25% of XP/Credits of the reward for full HP damage to the detected ship.
• The detection of aircraft and torpedoes also generates a small reward.

Spotting and Damage on Spotting

• Spotting - detecting a ship that is then damaged by your allies (that could not otherwise see the target) gives the following:
  • BB receives approximately 10% of the reward for full HP damage to the spotted ship.
  • CV receives approximately 20% of the reward for full HP damage to the spotted ship.
  • CR receives approximately 30% of the reward for full HP damage to the spotted ship.
  • DD receives approximately 40% of the reward for full HP damage to the spotted ship.
• The spotter must be detecting the target at the moment the shells hit.
• The reward is divided by the number of spotters.
• Damage-over-time (fire, flood) is not rewarded.

Other Considerations

• The more Base Capture and Base Defense points you earn, the better.

• XP is not awarded for damage to shore installations.

• Total rewards do not scale linearly. Destroying one cruiser earns full reward. Destroying two cruisers earns about 0.85 x gross reward. For destroying three cruisers, 0.67 x gross reward. (These are estimates; actual scaling is not known.)

• Diversity of activity is rewarded. For instance, a BB that camps at the back doing one task - shooting at long range - will earn less than the BB that accrues the same damage while shooting and also defending a capture point.

• Achievements add hefty bonuses to the reward.

• Finally, the base rewards increase greatly for the winning team.

The Ship Itself

Each ship has multipliers to XP and credits. The multipliers of premium ships are known to be higher than those for tech tree ships. However, the values themselves are unknown.

The multiplier scales with the tier of the ship. For XP, a two-fold difference is possible between Tiers I and X. E.g. a Tier I ship may have a multiplier of 1.0 while a Tier X ship has a multiplier of 2.0. For credits, the difference may be even greater.

Friendly Fire

Friendly fire (dealing direct damage to allies, accidental or otherwise) decreases the amount of credits and experience earned, imposing a fine on the total amount. This will never cause the reward to go below zero, though.

How Base Earnings Are Used

To these base amounts, modifiers are applied to calculate the final reward amounts (see The Calculations for details). The post-battle report states the final, modified results on the 'Personal Score' tab, states the base XP on the 'Team Score' tab, summarizes the elements that affected the base rewards on the 'Details' tab, and breaks down the calculation of modified results on the 'Credits and XP' tab.