USATT Rating Exchange Chart
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The Rating exchange chart below is used to calculate your final USATT Ratings
The USATT computer calculates your ratings....... not LTTA.
USATT Rating Exchange Chart |
Point Differential (Spread ) Between Players | Expected Result (Higher Rated Player Wins): Number of points exchanged. | Upset Result (Lower Rated Player Wins): Number of points exchanged |
0 - 12 | 8 | 8 |
13 - 37 | 7 | 10 |
38 - 62 | 6 | 13 |
63 - 87 | 5 | 16 |
88 - 112 | 4 | 20 |
113 - 137 | 3 | 25 |
138 - 162 | 2 | 30 |
163 - 187 | 2 | 35 |
188 - 212 | 1 | 40 |
213 - 237 | 1 | 45 |
238 and up | 0 | 50 |