Demiurge_Will wrote: Q: Can you give us the complete algorithm for figuring out how many points you’ll lose or gain? A: The scoring system is based on the Elo rating system, but the formula for that is too complex to put here without mathematical notation. Check Wikipedia if you’re interested. But the algorithm goes something like this: Start with the points change given by the Elo rating system, with a k-value of 75. If the loser’s score is <=1000, multiply their loss by (their score / 1000). If the winner was the defender, divide their gain by 3. Round the result. Q: Yeah, that’s too much math. How about some more examples? A: OK! Here you go: A (500) attacks B (500): If A wins, A gains 38, B loses 19. If A loses, A loses 19, B gains 13. A (200) attacks B (500): If A wins, A gains 64, B loses 32. If A loses, A loses 2, B gains 4. A (500) attacks B (200): If A wins, A gains 11, B loses 2. If A loses, A loses 32, B gains 21.