CChessStats

46th White Tower - 8th SKG International Open A

SwissStandard

27 players participated in this 9-round tournament, held from 03 Jan 2026 to 10 Jan 2026 in Thessaloniki, Greece. 7 titled players from 2 federations. Top 10 Elo average was 2271, and top seed was Christos Krallis (🇬🇷 GRE, IM, 2419).

Christos Krallis (🇬🇷 GRE, IM, 2419) won with 7.0/9, ahead of Antonios Kalogridis (6.5) and Vasilios Kotronias (6.0). Krallis won solo starting round 8.

The biggest upset came in round 2: Georgios Rafail Mantazis (2077) beat Antonios Kalogridis (IM, 2403), a +326-point gap.

Location
🇬🇷Thessaloniki, Greece
Dates
03 Jan 2026 → 10 Jan 2026
Time control
Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1
System
Swiss · 9 rounds
Top seed
🇬🇷IMChristos Krallis2419
Avg top 10
2,271
Participants
27
Titled players · 7
GM×1
IM×2
FM×2
CM×1
WFM×1
Federations · 2 represented
🇬🇷Greece×26
🇧🇬Bulgaria×1
Top 3

How it unfolded

Top 6 · 9 rounds

IM Christos Krallis 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
11
3
4
2
1
4
5
1
1
2.54.579R1R2R3R4R5R6R7R8R9
R5–R9 · LEAD HELD

IM Christos Krallis held the sole lead from R5 through R9 without losing it.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

IM Christos Krallis lost to IM Antonios Kalogridis (White).

R3–R5 · WIN STREAK

IM Christos Krallis won 3 in a row (R3–R5).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Krallis, ChristosIM2419GRE+20N=4B+16N+3B+5N2B=10N+7B+6B7.043.046.034.252439+3.8
2Kalogridis, AntoniosIM2403GRE+12N16B+21N=6B+20N+1N=3B=4B+5N6.541.044.031.752348-2.5
3Kotronias, VasiliosGM2408GRE+8B+6N=17B1N+10B+11N=2N=5B=4N6.045.048.530.752351-4.5
4Trimitzios, PetrosFM2181GRE+23B=1N=10B+13N=11B+7N=6B=2N=3B6.043.546.529.502328+34.4
5Tsaknakis, ZisisFM2321GRE+11B=13N+7B+17N1B=6N+16B=3N2B5.542.546.024.752283-6.4
6Tetepoulidis, Ioannis2139GRE+21N3B+25N=2N+17B=5B=4N+10B1N5.542.044.522.502311+40.8
7Kolytas, Spiridon2072GRE+25N=9B5N+14B+13N4B+11N1N+16B5.540.042.521.252217+33.8
8Giannopoulos, Iasonas2040GRE3N21B=19N=18B+25N+27B+14N=12B+10N5.531.532.517.752142+22.8
9Tsarsitalidis, Konstantinos2236GRE+27B=7N=13B11N+22B10N+26B=16N+18B5.530.531.516.002141-19.4
10Daskalov, Dimitar2306BUL=22N+18B=4N+16B3N+9B=1B6N8B4.542.545.520.502178-28.6
11Vardakas, Grigorios2026GRE5N+19B+26N+9B=4N3B7B+17NF4.539.541.517.502195+33.8
12Toliopoulos, Konstantinos2032GRE2B=23N+24B=22N=26B=18N=17B=8N=20B4.531.033.014.752063+5.6
13Sarantos, Vasileios2086GRE+19N=5B=9N4B7B22N+25N14B+26N4.035.537.513.502013-17.4
14Ouzounis, Konstantinos Kyr1984GRE17B=24N+15B7N+19B=26N8B+13NF4.033.535.514.002005+6.8
15Samakas, Anastasios1943GRE=18N20B14N19B=21NF+23B+22N+24B4.026.026.012.251984+8.6
16Mantazis, Georgios Rafail2077GRE+24B+2N1B10NF+20B5N=9B7N3.540.541.515.252172+32.0
17Kesidis, Odyseas2198GRE+14N+26B=3N5B6N=24B=12N11BF3.535.035.012.752046-31.2
18Tzortzatos, Dimosthenis Panagiot2096GRE=15B10N23B=8NF=12B+22B+20N9N3.533.033.013.002031-30.0
19Voutsas, Leonidas1903GRE13B11N=8B+15N14N=25B21N+26B=22B3.530.532.511.501901-1.0
20Kollias, Ioannis K.2061GRE1B+15N=22B+23N2B16NF18B=12N3.035.036.010.752031-11.2
21Siskou, EvangeliaWFM1947GRE6B+8N2B27N=15B=23N+19B24N25B3.033.534.512.501889-32.8
22Galanis, Nikolaos-PanagiotisCM2005GRE=10BF=20N=12B9N+13B18N15B=19N3.032.532.511.751996-4.8
23Cook, Michael-Antony1971GRE4N=12B+18N20B24N=21B15N+25BF3.029.529.59.751920-12.6
24Misios, Konstantinos1900GRE16N=14B12NF+23B=17NF+21B15N3.025.525.59.751972+24.4
25Koutsantonakis, Emmanouil1897GRE7B+27N6B26N8B=19N13B23N+21N2.532.033.05.751838-14.6
26Gkogkolas, Georgios1895GREF17N11B+25B=12N=14B9N19N13B2.032.032.06.751853-21.6
27Margaritis, Ioannis M1986GRE9N25BF+21BF8NFFF1.023.023.03.001837-31.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets