CChessStats

ACC Sirius open U2000 Feb 2026

Open SwissStandard

11 players participated in this 5-round tournament, held from 31 Jan 2026 to 01 Mar 2026 in Petroupoli, Greece. Top 10 Elo average was 1029, and top seed was Konstantinos Kesoglou (πŸ‡¬πŸ‡· GRE, 1905).

Konstantinos Kesoglou (πŸ‡¬πŸ‡· GRE, 1905) won with 4.5/5, ahead of Evangelos Tsourapas (3.5) and Konstantinos Kapagiannidis (3.0). Kesoglou took the lead from round 4.

The biggest upset came in round 1: Apostolis Rafeletos (1516) beat Ilias I. Mastoras (1821), a +305-point gap.

Location
πŸ‡¬πŸ‡·Petroupoli, Greece
Dates
31 Jan 2026 β†’ 01 Mar 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss Β· 5 rounds
Top seed
πŸ‡¬πŸ‡·Konstantinos Kesoglou1905
Avg top 10
1,029
Participants
11
Federations Β· 1 represented
πŸ‡¬πŸ‡·GreeceΓ—11
Top 3

How it unfolded

Top 6 Β· 5 rounds

Konstantinos Kesoglou led from R4; +1.0-point edge over the runner-up.

Co-leaders
4
2
1
1
1
1.52.545R1R2R3R4R5Kesoglou takes lead
Kesoglou4.5Tsourapas3.5Kapagiannidis3Mastoras3Kratidis2Pavlis2
R4 Β· LEADER CHANGE22 Feb

Konstantinos Kesoglou takes the sole lead (3.5/4).

R4 Β· HEAD-TO-HEAD Β· WINNER VS 2ND

Konstantinos Kesoglou beat Evangelos Tsourapas (Black).

WIN STREAKS Β· 2 top finishers

Konstantinos Kesoglou 4 wins (R2–R5)Evangelos Tsourapas 3 wins (R1–R3)

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1Konstantinos Kesoglou*
1
1
1
2Evangelos Tsourapas
0
*
1
β€”
3Konstantinos Kapagiannidis
0
0
*β€”
4Ilias I. Mastoras
0
β€”β€”*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΞ”
1Kesoglou, Konstantinos1905GRE=6N+4B+9B+2N+3N4.511.512.511.501992+1.6
2Tsourapas, Evangelos0GRE+5B+7N+3Bβˆ’1B=6N3.511.513.07.5017570.0
3Kapagiannidis, Konstantinos1672GRE+8N+10Bβˆ’2N+5Nβˆ’1B3.011.512.54.501853+13.0
4Mastoras, Ilias I.1821GREβˆ’7Bβˆ’1N+8B+9N+5B3.09.510.54.501615-13.4
5Pavlis, Antonios1716GREβˆ’2N+8B+10Nβˆ’3Bβˆ’4N2.011.012.02.501525-16.0
6Kratidis, Anastasios1660GRE=1Bβˆ’9N+7BF=2B2.010.511.55.501936+12.4
7Rafeletos, Apostolis1516GRE+4Nβˆ’2Bβˆ’6N=8NF1.510.011.03.751737+22.0
8Georgopoulos, Georgios 138540GREβˆ’3Bβˆ’5Nβˆ’4N=7B+10N1.59.510.51.7514910.0
9Chatzimarinakis, Pavlos0GREF+6Bβˆ’1Nβˆ’4BF1.011.011.02.0016890.0
10Maras, Nikolaos0GRE+11Nβˆ’3Nβˆ’5BFβˆ’8B1.08.58.50.00909-17.2
11Giakoumis, Thyseas0GREβˆ’10BFFFF0.01.01.00.006790.0

Key insights

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

Top rating gainers
Top rating losers
Biggest upsets
ACC Sirius open U2000 Feb 2026 β€” Petroupoli, Greece | Chess Tournament Results | ChessStats