| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. S Mahmud vs O Barbosa |
| ½-½ | 9 | 2008 | ASEAN Masters Circuit GMB | D11 Queen's Gambit Declined Slav |
| 27. A Nadanian vs S Mahmud |
| ½-½ | 6 | 2008 | ASEAN Masters Circuit GMB | D02 Queen's Pawn Game |
| 28. R Nolte vs S Mahmud |
| 0-1 | 34 | 2008 | ASEAN Masters Circuit GMB | B58 Sicilian |
| 29. S Mahmud vs J Gonzales |
| ½-½ | 5 | 2008 | ASEAN Masters Circuit GMB | D02 Queen's Pawn Game |
| 30. Ediyanto vs S Mahmud |
| 1-0 | 33 | 2011 | Jakarta Telin op | E61 King's Indian |
| 31. A Grigoryan vs S Mahmud |
| 1-0 | 38 | 2012 | 2nd Indonesia Open Chess Championship | A31 English, Symmetrical, Benoni Formation |
| 32. Suryanto vs S Mahmud |
| 0-1 | 29 | 2012 | 2nd Indonesia Open Chess Championship | A16 English |
| 33. S Mahmud vs A Eshbaev |
| 0-1 | 24 | 2012 | 2nd Indonesia Open Chess Championship | D17 Queen's Gambit Declined Slav |
| 34. S Mahmud vs S Gordon |
| 1-0 | 27 | 2012 | 2nd Indonesia Open Chess Championship | D38 Queen's Gambit Declined, Ragozin Variation |
| 35. Y Lou vs S Mahmud |
| 1-0 | 32 | 2012 | 2nd Indonesia Open Chess Championship | E80 King's Indian, Samisch Variation |
| 36. C Purba vs S Mahmud |
| 1-0 | 54 | 2012 | 2nd Indonesia Open Chess Championship | B95 Sicilian, Najdorf, 6...e6 |
| 37. S Mahmud vs H Suyud |
| 0-1 | 31 | 2012 | 2nd Indonesia Open Chess Championship | D11 Queen's Gambit Declined Slav |
| 38. S Mahmud vs S Winshand |
| 0-1 | 24 | 2012 | 2nd Indonesia Open Chess Championship | D02 Queen's Pawn Game |
| 39. S Mahmud vs N Murshed |
 | 0-1 | 32 | 2017 | Puchong 1st Friday IM Nov | D51 Queen's Gambit Declined |
| 40. O Perez Mitjans vs S Mahmud |
| 1-0 | 31 | 2019 | 24th City of Barcelona Op | A07 King's Indian Attack |
Kibitzing
