Pythagorean Win Rate
Author: neuneuExecutions: 27407
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Calculates the Pythagorean winning percentage for professional baseball, as well as the improved “Pythagenpat” winning percentage.
Pythagorean Winning Percentage = Runs Scored^β1 ÷ (Runs Scored^β1 + Runs Allowed^β1)
β1 = 2.00; The value typically used as the coefficient for the standard Pythagorean Winning Percentage
β1 = 1.72; The value considered appropriate as the coefficient for the NPB Pythagorean Winning Percentage
β1 = 1.83; The value considered appropriate as the coefficient for the MLB Pythagorean Winning Percentage
Pythagenpat Winning Percentage = Runs^X ÷ (Runs^X + Runs Allowed^X), where X = {(Runs + Runs Allowed) ÷ Games}^COEF
Generally, COEF = 0.285–0.287; it is reported after being fine-tuned to suit the league [Smyth/Patriot]
β1 = 2.00; The value typically used as the coefficient for the standard Pythagorean Winning Percentage
β1 = 1.72; The value considered appropriate as the coefficient for the NPB Pythagorean Winning Percentage
β1 = 1.83; The value considered appropriate as the coefficient for the MLB Pythagorean Winning Percentage
Pythagenpat Winning Percentage = Runs^X ÷ (Runs^X + Runs Allowed^X), where X = {(Runs + Runs Allowed) ÷ Games}^COEF
Generally, COEF = 0.285–0.287; it is reported after being fine-tuned to suit the league [Smyth/Patriot]

| Pythagorean Win Rate | Estimated Savings Amount (The value of β1 is reflected in the calculation.) |
| Pythagenpat Win Rate | Estimated Savings Amount (The values of the Pythagorean coefficients are reflected in the calculations.) |
| Pythagorean Winning Percentage (NPB) | Estimated Savings Amount (β1 is fixed at 1.72) |
| Pythagorean Winning Percentage (MLB) | Estimated Savings Amount (β1 is fixed at 1.83) |
Team Actual Winning Percentage Actual Win-Loss Record Pythagorean Winning Percentage Pythagorean Winning Percentage (NPB) Pythagorean Winning Percentage (MLB)
Hiroshima 0.582 23 0.551 0.549 0.544 0.547
Tokyo 0.532 9 0.495 0.495 0.495 0.495
Giants 0.486 -4 0.542 0.538 0.536 0.538
Yokohama 0.475 -7 0.443 0.447 0.451 0.447
Chunichi: 0.447 -15 0.455 0.458 0.462 0.459
Hanshin: 0.440, -17, 0.458, 0.461, 0.464, 0.461
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