21st Open Agrias
21 players participated in this 6-round tournament, held from 21 May 2025 to 25 Jun 2025 in Agria, Greece. Top 10 Elo average was 1704, and top seed was Georgios Bougas (🇬🇷 GRE, 2003).
Georgios Bougas (🇬🇷 GRE, 2003) won with 5.0/6, ahead of Kosmas Ioannis Kountrias (4.5) and Konstantinos Tzamtzis (4.5). Bougas shared the lead from round 5 and broke clear in the final round.
The biggest upset came in round 5: Leonidas Antonakis (1623) beat Georgios Chatzipolitis (1799), a +176-point gap.
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How it unfolded
Top 6 · 6 roundsGeorgios Bougas led from R6; +0.5-point edge over the runner-up.
Kosmas Ioannis Kountrias takes the sole lead (3.5/4).
Georgios Bougas beat Kosmas Ioannis Kountrias (White).
Georgios Bougas won 5 in a row (R1–R6).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Georgios Bougas | * | 1 | 1 | 1 |
| 2Kosmas Ioannis Kountrias | 0 | * | ½ | 1 |
| 3Konstantinos Tzamtzis | 0 | ½ | * | — |
| 4Vasilis Koukouvinos | 0 | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Bougas, Georgios | 2003 | GRE | +9N | +5B | F | +3N | +2B | +4N | 5.0 | 20.0 | 20.0 | 20.00 | 2521 | +35.6 |
| 2 | Kountrias, Kosmas Ioannis | 1860 | GRE | +11B | +4N | =3B | +7N | −1N | +10B | 4.5 | 20.5 | 23.5 | 16.25 | 1924 | +24.4 |
| 3 | Tzamtzis, Konstantinos | 1836 | GRE | +13N | +6B | =2N | −1B | +11N | +5B | 4.5 | 20.5 | 22.5 | 15.25 | 1849 | +4.8 |
| 4 | Koukouvinos, Vasilis | 1682 | GRE | +20N | −2B | +11N | +6B | +10N | −1B | 4.0 | 19.5 | 19.5 | 10.00 | 1766 | +10.6 |
| 5 | Antonakis, Leonidas | 1623 | GRE | +8B | −1N | +21B | +15N | +7B | −3N | 4.0 | 18.5 | 18.5 | 9.00 | 1796 | +32.0 |
| 6 | Maritsis, Zisis | 1545 | GRE | +16B | −3N | +8B | −4N | +15B | +9N | 4.0 | 16.5 | 17.5 | 9.00 | 1638 | +8.8 |
| 7 | Chatzipolitis, Georgios | 1799 | GRE | +18B | +10N | +14N | −2B | −5N | +8B | 4.0 | 16.5 | 17.5 | 9.00 | 1567 | -18.2 |
| 8 | Pagkratis, Spyridon | 0 | GRE | −5N | +9B | −6N | +17B | +13N | −7N | 3.0 | 17.0 | 18.0 | 6.00 | 1425 | -91.6 |
| 9 | Koutidis, Athanasios | 1487 | GRE | −1B | −8N | +12B | +18N | +14N | −6B | 3.0 | 17.0 | 18.0 | 6.00 | 917 | -10.0 |
| 10 | Bellos, Iason | 1595 | GRE | +17N | −7B | +13N | +14B | −4B | −2N | 3.0 | 16.5 | 17.5 | 5.00 | 980 | -16.0 |
| 11 | Bougas, Theodoros | 1473 | GRE | −2N | +20B | −4B | +16N | −3B | +13N | 3.0 | 16.0 | 16.0 | 3.00 | 993 | -8.2 |
| 12 | Antonakis, Antonios | 0 | GRE | F | −14B | −9N | +20B | +18N | +16B | 3.0 | 7.0 | 7.0 | 2.00 | 687 | 0.0 |
| 13 | Bozas, Konstantinos | 0 | GRE | −3B | +16N | −10B | +21N | −8B | −11B | 2.0 | 14.5 | 14.5 | 1.00 | 833 | 0.0 |
| 14 | Moutzouris, Ioannis | 0 | GRE | F | +12N | −7B | −10N | −9B | +17B | 2.0 | 14.0 | 14.0 | 4.00 | 827 | 0.0 |
| 15 | Papathanasiou, Konstantinos Arg | 1544 | GRE | +21N | −19B | +17N | −5B | −6N | F | 2.0 | 10.0 | 10.0 | 1.00 | 774 | -55.2 |
| 16 | FIDE 42193613 | 0 | — | −6N | −13B | F | −11B | +17N | −12N | 1.0 | 13.0 | 13.0 | 1.00 | 707 | 0.0 |
| 17 | FIDE 42199115 | 0 | — | −10B | +18N | −15B | −8N | −16B | −14N | 1.0 | 11.0 | 12.0 | 1.00 | 770 | 0.0 |
| 18 | FIDE 42199107 | 0 | — | −7N | −17B | +20N | −9B | −12B | F | 1.0 | 11.0 | 11.0 | 0.00 | 843 | 0.0 |
| 19 | Parsas, Nikolaos | 1554 | GRE | F | +15N | F | F | F | F | 1.0 | 2.0 | 2.0 | 2.00 | 2344 | +9.8 |
| 20 | Kountrias, Stamatis | 0 | GRE | −4B | −11N | −18B | −12N | F | F | 0.0 | 11.0 | 11.0 | 0.00 | 775 | 0.0 |
| 21 | FIDE 42199131 | 0 | — | −15B | F | −5N | −13B | F | F | 0.0 | 8.0 | 8.0 | 0.00 | 783 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Bougas, GeorgiosGRE+35.65.0 pts · #1
- 2Antonakis, LeonidasGRE+32.04.0 pts · #5
- 3Kountrias, Kosmas IoannisGRE+24.44.5 pts · #2
- 1Pagkratis, SpyridonGRE-91.63.0 pts · #7
- 2Papathanasiou, Konstantinos ArgGRE-55.22.0 pts · #13
- 3Chatzipolitis, GeorgiosGRE-18.24.0 pts · #9
- R5+176 Elo gap