8th Open The Weekender May 2025
15 players participated in this 6-round tournament, held from 24 May 2025 to 25 May 2025 in Larisa, Greece. Top 10 Elo average was 1291, and top seed was Dimitrios Sarsentos (🇬🇷 GRE, 1755).
Dimitrios Sarsentos (🇬🇷 GRE, 1755) won with 5.0/6, ahead of Konstantinos Mantzanas (4.5) and Dimitrios Ntougkos (4.0). Sarsentos shared the lead from round 4 and won solo starting round 5.
The biggest upset came in round 6: Stylianos Kakagiannis (1424) beat Christos Chytoudis (1674), a +250-point gap.
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How it unfolded
Top 6 · 6 roundsDimitrios Sarsentos led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Dimitrios Sarsentos takes the sole lead (4.5/5).
Dimitrios Sarsentos beat Konstantinos Mantzanas (White).
Konstantinos Mantzanas 3 wins (R1–R3)Dimitrios Ntougkos 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Dimitrios Sarsentos | * | 1 | 1 | ½ |
| 2Konstantinos Mantzanas | 0 | * | — | — |
| 3Dimitrios Ntougkos | 0 | — | * | — |
| 4Athanasios Vlachavas | ½ | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Sarsentos, Dimitrios | 1755 | GRE | +13B | +3N | =6B | +5N | +2B | =4N | 5.0 | 18.0 | 19.0 | 15.75 | 1778 | +3.0 |
| 2 | Mantzanas, Konstantinos | 1580 | GRE | +15B | +11N | +12B | =6N | −1N | +5B | 4.5 | 13.0 | 13.0 | 6.50 | 1670 | +7.4 |
| 3 | Ntougkos, Dimitrios | 0 | GRE | +7N | −1B | −5N | +13B | +12N | +14B | 4.0 | 13.0 | 14.0 | 6.00 | 1587 | 0.0 |
| 4 | Vlachavas, Athanasios | 1599 | GRE | F | −12N | +9B | +7B | +11N | =1B | 3.5 | 12.0 | 12.0 | 8.50 | 1636 | +9.6 |
| 5 | Karampelas, Anastasios | 0 | GRE | F | +8N | +3B | −1B | +6N | −2N | 3.0 | 19.5 | 19.5 | 10.00 | 1665 | 0.0 |
| 6 | Krommidas, Vasilios | 1753 | GRE | +9N | +10B | =1N | =2B | −5B | F | 3.0 | 16.5 | 16.5 | 8.75 | 1702 | -2.2 |
| 7 | Stefanis, Stefanos G | 1547 | GRE | −3B | +15N | +11B | −4N | +10B | −8N | 3.0 | 13.5 | 13.5 | 3.00 | 782 | -32.0 |
| 8 | Thanos, Athanasios A | 1577 | GRE | −10N | −5B | +15N | −11B | +9N | +7B | 3.0 | 11.0 | 11.0 | 5.00 | 2254 | +27.2 |
| 9 | Chytoudis, Markos | 0 | GRE | −6B | +13N | −4N | F | −8B | +11B | 2.0 | 11.5 | 11.5 | 2.00 | 1391 | -4.0 |
| 10 | Krommydas, Dimos | 0 | GRE | +8B | −6N | F | +14B | −7N | F | 2.0 | 10.0 | 10.0 | 4.00 | 1486 | 0.0 |
| 11 | Stefanis, Georgios | 0 | GRE | F | −2B | −7N | +8N | −4B | −9N | 1.0 | 16.0 | 16.0 | 3.00 | 1289 | 0.0 |
| 12 | Chytoudis, Christos | 1674 | GRE | F | +4B | −2N | F | −3B | −13N | 1.0 | 13.0 | 13.0 | 3.50 | 1404 | -15.6 |
| 13 | Kakagiannis, Stylianos | 1424 | GRE | −1N | −9B | F | −3N | −14N | +12B | 1.0 | 13.0 | 13.0 | 1.00 | 1427 | -1.6 |
| 14 | Vangias, Konstantinos | 0 | GRE | F | F | F | −10N | +13B | −3N | 1.0 | 7.0 | 7.0 | 1.00 | 1441 | 0.0 |
| 15 | FIDE 541004388 | 0 | — | −2N | −7B | −8B | F | F | F | 0.0 | 10.5 | 10.5 | 0.00 | 752 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Thanos, Athanasios AGRE+27.23.0 pts · #4
- 2Vlachavas, AthanasiosGRE+9.63.5 pts · #3
- 3Mantzanas, KonstantinosGRE+7.44.5 pts · #7
- 1Stefanis, Stefanos GGRE-32.03.0 pts · #15
- 2Chytoudis, ChristosGRE-15.61.0 pts · #8
- 3Chytoudis, MarkosGRE-4.02.0 pts · #9
- R6+250 Elo gap