| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 501. H Asis Gargatagli vs K Mekhitarian |
| ½-½ | 68 | 2019 | PRO League Group Stage | C67 Ruy Lopez |
| 502. D Di Berardino vs K Mekhitarian |
| ½-½ | 18 | 2019 | ch-Paranaense Rapid | E49 Nimzo-Indian, 4.e3, Botvinnik System |
| 503. K Mekhitarian vs E Matsuura |
| 1-0 | 36 | 2019 | ch-Paranaense Rapid | B30 Sicilian |
| 504. K Mekhitarian vs J Sunye Neto |
| 1-0 | 36 | 2019 | ch-Paranaense Rapid | B42 Sicilian, Kan |
| 505. D Di Berardino vs K Mekhitarian |
| ½-½ | 47 | 2019 | ch-Paranaense Blitz | B43 Sicilian, Kan, 5.Nc3 |
| 506. F Blohberger vs K Mekhitarian |
| 0-1 | 35 | 2019 | PRO League Group Stage | A28 English |
| 507. K Mekhitarian vs S Berger |
| ½-½ | 32 | 2019 | PRO League Group Stage | A40 Queen's Pawn Game |
| 508. A Braun vs K Mekhitarian |
| ½-½ | 140 | 2019 | PRO League Group Stage | A45 Queen's Pawn Game |
| 509. K Mekhitarian vs J Lampert |
| 1-0 | 26 | 2019 | PRO League Group Stage | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 510. C A Viana vs K Mekhitarian |
| ½-½ | 45 | 2019 | Brazilian Championship 2018 | B58 Sicilian |
| 511. K Mekhitarian vs C A Viana |
| 1-0 | 33 | 2019 | Brazilian Championship 2018 | B48 Sicilian, Taimanov Variation |
| 512. K Mekhitarian vs L de Souza Zallio |
| ½-½ | 69 | 2019 | Brazilian Championship 2018 | A15 English |
| 513. L de Souza Zallio vs K Mekhitarian |
| 0-1 | 31 | 2019 | Brazilian Championship 2018 | A06 Reti Opening |
| 514. D Lima vs K Mekhitarian |
| ½-½ | 41 | 2019 | Brazilian Championship 2018 | A00 Uncommon Opening |
| 515. K Mekhitarian vs D Lima |
| 1-0 | 30 | 2019 | Brazilian Championship 2018 | D63 Queen's Gambit Declined, Orthodox Defense |
| 516. R Molina vs K Mekhitarian |
| ½-½ | 50 | 2019 | Brazilian Championship 2018 | B54 Sicilian |
| 517. K Mekhitarian vs R Molina |
| 1-0 | 26 | 2019 | Brazilian Championship 2018 | A13 English |
| 518. R Molina vs K Mekhitarian |
| ½-½ | 55 | 2019 | Brazilian Championship 2018 | D38 Queen's Gambit Declined, Ragozin Variation |
| 519. K Mekhitarian vs R Molina |
| 0-1 | 66 | 2019 | Brazilian Championship 2018 | D11 Queen's Gambit Declined Slav |
| 520. R Molina vs K Mekhitarian |
| 1-0 | 40 | 2019 | Brazilian Championship 2018 | D38 Queen's Gambit Declined, Ragozin Variation |
| 521. K Mekhitarian vs R Molina |
| ½-½ | 87 | 2019 | Brazilian Championship 2018 | A09 Reti Opening |
| 522. Q Ducarmon vs K Mekhitarian |
| 1-0 | 58 | 2019 | PRO League Group Stage | C65 Ruy Lopez, Berlin Defense |
| 523. K Mekhitarian vs L Vrolijk |
| 1-0 | 23 | 2019 | PRO League Group Stage | A13 English |
| 524. W Spoelman vs K Mekhitarian |
| 1-0 | 25 | 2019 | PRO League Group Stage | A28 English |
| 525. K Mekhitarian vs M Admiraal |
| ½-½ | 174 | 2019 | PRO League Group Stage | A06 Reti Opening |
Kibitzing
