| 13 | 13th LS(251112) Triangle Similarity (PDF 412) | Jp Park  | 2025-11-13 | 0 |
| 12 | 12th LS(251105) Trigonometry (PDF 392) | Jp Park | 2025-11-06 | 0 |
| 11 | 11th LS(251029) Geometry (PDF 363) | Jp Park | 2025-10-30 | 0 |
| 10 | 10th LS(251022) Chicken Nugget Theorem (PDF 336) | Jp Park | 2025-10-23 | 0 |
| 9 | 9th LS(251015) Algebraic Number Theory (PDF 307) | Jp Park | 2025-10-16 | 0 |
| 8 | 8th LS(251008) Divisibility (PDF 275) | Jp Park | 2025-10-09 | 1 |
| 7 | 7th LS(250924) Speed (PDF 249) | Jp Park | 2025-09-25 | 0 |
| 6 | 6th LS(250917) Special Sequence (PDF 221) | Jp Park | 2025-09-18 | 0 |
| 5 | 5th LS(250910) Polynomial Root (PDF 192) | Jp Park | 2025-09-11 | 0 |
| 4 | 4th LS(250903) Probability (PDF 36) | Jp Park | 2025-09-04 | 0 |
| 3 | 3rd LS(250827) Probability (PDF 33) | Jp Park | 2025-08-28 | 0 |
| 2 | 2nd LS(250822) Combination Problems (PDF 23) | Jp Park | 2025-08-23 | 3 |
| 1 | 1st LS(250815) Subsets (PDF 19) | Jp Park | 2025-08-16 | 3 |
