CChessStats

ACC Sirius open U1900 Jun 2025

Open SwissStandard

10 players participated in this 5-round tournament, held from 08 Jun 2025 to 26 Jul 2025 in Petroupoli, Greece. Top 10 Elo average was 1617, and top seed was Efraim Galanopoulos (🇬🇷 GRE, 1837).

Efraim Galanopoulos (🇬🇷 GRE, 1837) won with 4.0/5, ahead of Konstantinos Metaxas (3.5) and Evangelos Pitsinos (3.0). Galanopoulos broke clear in the final round.

The biggest upset came in round 1: Apostolis Rafeletos (1470) beat Konstantinos Metaxas (1609), a +139-point gap.

Location
🇬🇷Petroupoli, Greece
Dates
08 Jun 2025 → 26 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
Avg top 10
1,617
Participants
10
Federations · 1 represented
🇬🇷Greece×10
Top 3

How it unfolded

Top 6 · 5 rounds

Efraim Galanopoulos led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
5
1
4
2
1
1.52.545R1R2R3R4R5Galanopoulos takes lead
R5 · LEADER CHANGE26 Jul

Efraim Galanopoulos takes the sole lead (4.0/5).

WIN STREAKS · 3 top finishers

Efraim Galanopoulos 4 wins (R1–R5)Konstantinos Metaxas 3 wins (R3–R5)Evangelos Pitsinos 3 wins (R2–R4)

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Galanopoulos, Efraim1837GRE+7BF+5N+6B+3N4.09.010.58.502364+14.0
2Metaxas, Konstantinos1609GRE5N=10B+7N+8B+4B3.57.58.05.751749+37.2
3Pitsinos, Evangelos1574GRE4B+9N+8N+5B1B3.010.011.55.001716+37.2
4Kratidis, Anastasios1728GRE+3N=8B6N+9B2N2.510.011.55.251601-16.8
5Rafeletos, Apostolis1470GRE+2B+7N1B3NF2.012.514.05.001650+34.8
6Galerakis, Panagiotis Spyridon1636GRE+10NF+4B1NF2.012.513.03.001832+31.2
7Kilakos, Dimitrios1576GRE1N5B2B+10N=9N1.511.011.51.251450-17.6
8Kapagiannidis, Konstantinos1668GRE+9B=4N3B2NF1.510.511.02.751521-16.6
9Papadopoulos, Emanouil1518GRE8N3B+10N4N=7B1.58.59.01.251472-12.8
10Menychtas, Alexandros1557GRE6B=2N9B7BF0.58.510.01.751263-53.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets