| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1476. J L Weller vs A Kosten |
| ½-½ | 49 | 2013 | British Championship | E33 Nimzo-Indian, Classical |
| 1477. A Kosten vs R York-Weaving |
| ½-½ | 98 | 2013 | British Championship | C91 Ruy Lopez, Closed |
| 1478. M Wadsworth vs A Kosten |
| ½-½ | 46 | 2013 | British Championship | C97 Ruy Lopez, Closed, Chigorin |
| 1479. A Kosten vs D Bunzmann |
| ½-½ | 29 | 2014 | French Team Championship | A13 English |
| 1480. A Kosten vs T Heinz |
| 1-0 | 25 | 2014 | French Team Championship | A09 Reti Opening |
| 1481. S Gordon vs A Kosten |
| 1-0 | 47 | 2014 | French Team Championship | A14 English |
| 1482. A Kosten vs J Riff |
| ½-½ | 49 | 2014 | French Team Championship | A12 English with b3 |
| 1483. Fressinet vs A Kosten |
| 1-0 | 64 | 2014 | French Team Championship | A04 Reti Opening |
| 1484. B Taddei vs A Kosten |
| ½-½ | 28 | 2014 | French Team Championship | C45 Scotch Game |
| 1485. A Kosten vs S Boyd |
 | 1-0 | 58 | 2014 | French Team Championship | C41 Philidor Defense |
| 1486. A Kosten vs P Velten |
| 1-0 | 41 | 2014 | French Team Championship | A20 English |
| 1487. V Riff vs A Kosten |
| ½-½ | 21 | 2015 | TCh-FRA Cup Final | C78 Ruy Lopez |
| 1488. A Kosten vs B Lalic |
| ½-½ | 14 | 2016 | Kilkenny Masters | A29 English, Four Knights, Kingside Fianchetto |
| 1489. S Maze vs A Kosten |
| ½-½ | 72 | 2016 | Kilkenny Masters | C48 Four Knights |
| 1490. A Kosten vs F Libiszewski |
| ½-½ | 8 | 2016 | Kilkenny Masters | A13 English |
| 1491. C Vernay vs A Kosten |
| ½-½ | 31 | 2018 | French Team Championship | E32 Nimzo-Indian, Classical |
| 1492. A Kosten vs Bluebaum |
| ½-½ | 39 | 2018 | French Team Championship | C11 French |
| 1493. C Balogh vs A Kosten |
| 1-0 | 45 | 2018 | French Team Championship | C53 Giuoco Piano |
| 1494. A Kosten vs J van Foreest |
| ½-½ | 44 | 2018 | French Team Championship | A11 English, Caro-Kann Defensive System |
| 1495. A Kosten vs P Bailet |
| 0-1 | 62 | 2018 | French Team Championship | A28 English |
| 1496. Fedorchuk vs A Kosten |
| 1-0 | 68 | 2018 | French Team Championship | C78 Ruy Lopez |
| 1497. A Kosten vs V Malakhov |
| 0-1 | 30 | 2018 | French Team Championship | C54 Giuoco Piano |
| 1498. M Ragger vs A Kosten |
| 1-0 | 31 | 2018 | French Team Championship | E06 Catalan, Closed, 5.Nf3 |
| 1499. D Wagner vs A Kosten |
| ½-½ | 75 | 2018 | French Team Championship | C53 Giuoco Piano |
| 1500. A Kosten vs A Kveinys |
| ½-½ | 10 | 2018 | French Team Championship | A13 English |
Kibitzing
