docs: clarify that yacht_dice is graded on a partial sum, not the 12-round total (#2)

- docs: clarify that yacht_dice is graded on a partial sum, not the 12-round total (4d6a3570c66a6b8370adafaf9f334629878b0b45)


Co-authored-by: Seunghyeok Hong <shongdr@users.noreply.huggingface.co>

README.md

@@ -440,7 +440,7 @@ Same generators and parameters in both languages, so performance gaps isolate pr
 | `number_baseball` | Infer a hidden N-digit number from Strike/Ball hints | 100 / 100 / 100 | 100 / 100 / 100 | 600 |
 | `sat_puzzles` | Boolean satisfiability (CNF) framed as a natural-language scenario | 100 / 100 / 100 | 100 / 100 / 100 | 600 |
 | `sudoku` | 9x9 Sudoku with guaranteed-unique solutions | 100 / 100 / 100 | 100 / 100 / 100 | 600 |
-| `yacht_dice` | Assign 12 dice rolls to 12 scoring categories to maximize total score | 100 / 100 / 100 | 100 / 100 / 100 | 600 |
+| `yacht_dice` | Assign 12 dice rolls to 12 scoring categories to maximize total score; report the partial sum over spot-checked rounds | 100 / 100 / 100 | 100 / 100 / 100 | 600 |
 
 ### 2. Script Adaptations (2 tasks · EN + KO)