| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1451. A Kosten vs So |
 | 0-1 | 37 | 2012 | French Team Championship | A18 English, Mikenas-Carls |
| 1452. R Panjwani vs A Kosten |
| ½-½ | 48 | 2012 | 4NCL 2012/13 | A36 English |
| 1453. T Chapman vs A Kosten |
| ½-½ | 23 | 2012 | 4NCL 2012/13 | E06 Catalan, Closed, 5.Nf3 |
| 1454. S N Longson vs A Kosten |
| ½-½ | 40 | 2013 | 4NCL 2012/13 | C53 Giuoco Piano |
| 1455. A Kosten vs E Kirk |
| 0-1 | 57 | 2013 | 4NCL 2012/13 | A16 English |
| 1456. A Kosten vs S T Ansell |
| ½-½ | 33 | 2013 | 4NCL 2012/13 | A29 English, Four Knights, Kingside Fianchetto |
| 1457. D Jameson vs A Kosten |
| ½-½ | 45 | 2013 | 4NCL 2012/13 | E10 Queen's Pawn Game |
| 1458. K Arakhamia-Grant vs A Kosten |
| 1-0 | 39 | 2013 | 4NCL 2012/13 | C65 Ruy Lopez, Berlin Defense |
| 1459. A Kosten vs M Nezar |
| ½-½ | 27 | 2013 | French Team Championship | A09 Reti Opening |
| 1460. J Riff vs A Kosten |
| ½-½ | 18 | 2013 | French Team Championship | C67 Ruy Lopez |
| 1461. A Kosten vs J Saada |
 | 0-1 | 41 | 2013 | French Team Championship | A13 English |
| 1462. C Debray vs A Kosten |
| 0-1 | 55 | 2013 | French Team Championship | E32 Nimzo-Indian, Classical |
| 1463. A Kosten vs Rapport |
| ½-½ | 8 | 2013 | French Team Championship | A10 English |
| 1464. S Maze vs A Kosten |
| ½-½ | 53 | 2013 | French Team Championship | C65 Ruy Lopez, Berlin Defense |
| 1465. A Kosten vs L Roos |
| 1-0 | 49 | 2013 | French Team Championship | A13 English |
| 1466. A Wirig vs A Kosten |
| ½-½ | 23 | 2013 | French Team Championship | E33 Nimzo-Indian, Classical |
| 1467. R Edouard vs A Kosten |
| ½-½ | 43 | 2013 | French Team Championship | E56 Nimzo-Indian, 4.e3, Main line with 7...Nc6 |
| 1468. A Kosten vs P Mercs |
| 1-0 | 27 | 2013 | British Championship | A04 Reti Opening |
| 1469. M Yeo vs A Kosten |
| ½-½ | 45 | 2013 | British Championship | C51 Evans Gambit |
| 1470. A Kosten vs L Varnam |
| 1-0 | 41 | 2013 | British Championship | A37 English, Symmetrical |
| 1471. D Gormally vs A Kosten |
| 0-1 | 21 | 2013 | British Championship | A46 Queen's Pawn Game |
| 1472. P K Wells vs A Kosten |
| 1-0 | 39 | 2013 | British Championship | E11 Bogo-Indian Defense |
| 1473. A Kosten vs M E Osborne |
| 1-0 | 36 | 2013 | British Championship | A15 English |
| 1474. B Lalic vs A Kosten |
| ½-½ | 22 | 2013 | British Championship | E04 Catalan, Open, 5.Nf3 |
| 1475. A Kosten vs S Gordon |
| 0-1 | 40 | 2013 | British Championship | A37 English, Symmetrical |
Kibitzing
