Split
42d0269e56
- Created new ELO module (src/elo/) with: - Simple rating-only system (no RD or volatility tracking) - Standard ELO expected score calculation - Per-point performance scoring - Effective opponent formula for doubles - Full test suite (21 tests, all passing) - Updated main.rs to use ELO calculator: - Per-point scoring: performance = points_scored / total_points - Effective opponent in doubles: Opp1 + Opp2 - Teammate - K-factor = 32 for casual play - Created analysis tool (src/bin/elo_analysis.rs): - Reads match history from database - Recalculates all ratings using pure ELO - Generates before/after comparison (JSON + Markdown) - Updated documentation: - New LaTeX report (rating-system-v3-elo.tex) - Simplified explanations (no volatility/RD complexity) - Plain English examples and use cases - FAQ section - All tests passing (21/21 ELO tests) - Code compiles without errors - Release build successful
37 lines
772 B
Rust
37 lines
772 B
Rust
use serde::{Deserialize, Serialize};
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/// Simple ELO rating without deviation or volatility
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#[derive(Debug, Clone, Copy, PartialEq, Serialize, Deserialize)]
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pub struct EloRating {
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pub rating: f64, // Display scale (e.g., 1500)
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}
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impl EloRating {
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pub fn new_player() -> Self {
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Self {
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rating: 1500.0,
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}
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}
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pub fn new_with_rating(rating: f64) -> Self {
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Self { rating }
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_new_player() {
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let rating = EloRating::new_player();
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assert_eq!(rating.rating, 1500.0);
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}
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#[test]
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fn test_new_with_rating() {
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let rating = EloRating::new_with_rating(1600.0);
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assert_eq!(rating.rating, 1600.0);
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}
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}
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