CChessStats

Summer 2025 OAX June - A

Open SwissStandard

15 players participated in this 5-round tournament, held from 23 Jun 2025 to 25 Jun 2025 in Chania, Greece. Top 10 Elo average was 1537, and top seed was Ioannis Kalligeris (πŸ‡¬πŸ‡· GRE, 1657).

Michail Megasthenis (πŸ‡¬πŸ‡· GRE, 1632) won with 4.5/5, ahead of Michail Em Christodoulakis (4.0) and Ioannis Kalligeris (3.5). Megasthenis broke clear in the final round.

The biggest upset came in round 5: Ioannis Filippoglou (1416) beat Paraskevas Nteneketzis (1610), a +194-point gap.

Location
πŸ‡¬πŸ‡·Chania, Greece
Dates
23 Jun 2025 β†’ 25 Jun 2025
Time control
Standard: All Moves in 45 Min. Incr. 15 Sec. / /
System
Swiss Β· 5 rounds
Top seed
πŸ‡¬πŸ‡·Ioannis Kalligeris1657
Avg top 10
1,537
Participants
15
Federations Β· 1 represented
πŸ‡¬πŸ‡·GreeceΓ—14
Top 3

How it unfolded

Top 6 Β· 5 rounds

Michail Megasthenis led from R3; +0.5-point edge over the runner-up.

Co-leaders
6
2
1
2
1
1.52.545R1R2R3R4R5
Megasthenis4.5Christodoulakis4Nomikos3.5Kalligeris3.5Skoulas3Filippoglou2.5
R3–R5 Β· LEAD HELD

Michail Megasthenis held the sole lead from R3 through R5 without losing it.

R4 Β· HEAD-TO-HEAD Β· WINNER VS 2ND

Michail Megasthenis drew with Michail Em Christodoulakis (White).

R1–R3 Β· WIN STREAK

Michail Megasthenis won 3 in a row (R1–R3).

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1Michail Megasthenis*
Β½
β€”
1
2Michail Em Christodoulakis
Β½
*β€”β€”
3Marios Nomikosβ€”β€”*β€”
4Ioannis Kalligeris
0
β€”β€”*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΞ”
1Megasthenis, Michail1632GRE+10N+7B+5N=2B+3B4.513.015.013.001901+56.8
2Christodoulakis, Michail Em1610GRE+9B=13N+7B=1N+6B4.011.512.09.501846+36.4
3Kalligeris, Ioannis1657GRE+6B=12N+13B+5Bβˆ’1N3.511.512.06.751643-1.9
4Nomikos, Marios0GREβˆ’12B+9N=6B+13N+11N3.58.08.55.7515230.0
5Skoulas, Stavros1532GRE+14N+11Bβˆ’1Bβˆ’3N+10N3.012.012.04.001548+10.8
6Antonakis, Lykourgos1431GREβˆ’3N+8B=4N+10Bβˆ’2N2.513.515.56.251519+9.6
7Anastasopoulou, Stavroula1540GRE+15Bβˆ’1Nβˆ’2N=8B+13B2.511.511.51.751275-35.6
8Filippoglou, Ioannis1416GREFβˆ’6N+9B=7N+12B2.58.58.54.751600+39.2
9Piagkalakis, Georgios1421GREβˆ’2Nβˆ’4Bβˆ’8N+15B+14B2.010.010.00.00710-31.2
10Gkouvras, Konstantinos1426GREβˆ’1B+15N+14Bβˆ’6Nβˆ’5B2.010.010.00.00730-39.6
11Sgourou, Terpsichori1512GREFβˆ’5N+15B+14Nβˆ’4B2.06.56.50.00695-20.8
12Nteneketzis, Paraskevas1610GRE+4N=3BFFβˆ’8N1.59.59.55.251342-19.7
13Moutsakis, Vasileios0GREF=2Bβˆ’3Nβˆ’4Bβˆ’7N0.513.513.52.0013200.0
14FIDE 5410074760β€”βˆ’5BFβˆ’10Nβˆ’11Bβˆ’9N0.09.09.00.006580.0
15Christodoulaki, Antonia Em0GREβˆ’7Nβˆ’10Bβˆ’11Nβˆ’9NF0.08.58.50.006650.0

Key insights

Biggest movers and upsets β€” the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
Summer 2025 OAX June - A β€” Chania, Greece | Chess Tournament Results | ChessStats