CChessStats

Youth championship U12 2026

Open SwissStandard

23 players participated in this 7-round tournament, held from 14 Feb 2026 to 22 Feb 2026 in Differdange, Luxembourg. 2 federations represented. Top 10 Elo average was 1567, and top seed was Hamza Esmer (🇱🇺 LUX, 1817).

Olaf Guzdziol (🇱🇺 LUX, 1592) won with 7.0/7, ahead of Hamza Esmer (5.5) and Ivan Kostyukovich (5.0). Guzdziol won solo starting round 4.

The biggest upset came in round 4: Olaf Guzdziol (1592) beat Hamza Esmer (1817), a +225-point gap.

Location
🇱🇺Differdange, Luxembourg
Dates
14 Feb 2026 → 22 Feb 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇱🇺Hamza Esmer1817
Avg top 10
1,567
Participants
23
Federations · 2 represented
🇱🇺Luxembourg×13
🇫🇷France×2
Top 3

How it unfolded

Top 6 · 7 rounds

Olaf Guzdziol led from R4; +1.5-point edge over the runner-up.

Co-leaders
12
6
3
1
1
1
1
23.55.57R1R2R3R4R5R6R7
Guzdziol7Esmer5.5Kostyukovich5Tatavarthi4.5Karthik4.5Reddy4.5
R4–R7 · LEAD HELD

Olaf Guzdziol never relinquished the lead after R4; final gap +1.5 over the runner-up.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Olaf Guzdziol beat Hamza Esmer (White).

WIN STREAKS · 2 top finishers

Olaf Guzdziol 7 wins (R1–R7)Hamza Esmer 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Olaf Guzdziol*
1
—
1
2Hamza Esmer
0
*
½
1
3Ivan Kostyukovich—
½
*—
4Jaagruth Tatavarthi
0
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Guzdziol, Olaf1592LUX+19B+11N+4B+2B+9N+7N+8B7.025.527.527.502387+93.2
2Esmer, Hamza1817LUX+13B+8N+7B−1N+4B=3N+11B5.528.031.021.501730-18.8
3Kostyukovich, Ivan1677LUX+12N+5B−9N+15B=6N=2B+7N5.026.029.020.001637-8.8
4Tatavarthi, Jaagruth1545LUX+20N+14B−1N+10B−2N+6B=9N4.528.030.015.501576+7.2
5Reddy, Handyalu Kiran1471LUX+17B−3N=12B+11N−7B+14N+13B4.522.025.014.251422-7.6
6Karthik, Shreyaas1533LUX+21B−7N+19B+14N=3B−4N+12B4.522.023.512.501459-14.0
7Amroune, Adam1528LUX+15N+6B−2N+9B+5N−1B−3B4.030.533.516.001598+22.0
8Osmolovskii, Nikita1571LUX+10N−2B−15N+12N+19B+13B−1N4.026.028.012.50914-23.6
9Delanne-Dominguez, Leo1491FRA+23B+22N+3B−7N−1B=11N=4B4.025.025.010.001501-1.2
10FIDE 40112010—−8B+13N+22B−4N−14B+19N+18B4.019.020.08.507110.0
11Chandrasekaran, Rishaan0LUX+16N−1B+20N−5B+15N=9B−2N3.527.029.010.0012760.0
12FIDE 40096060—−3B+17N=5N−8B+18N+15B−6N3.524.026.510.7512310.0
13Ha, Kien Van0LUX−2N−10B+16N+21B+20B−8N−5N3.023.024.56.508120.0
14Manikandan, Advaith1440LUX+18B−4NF−6B+10N−5B+16N3.023.023.09.50709-48.4
15Apostol, Mateus0FRA−7B+21N+8B−3N−11B−12N+19B3.022.023.57.5014590.0
16FIDE 40112870—−11B−19N−13B+17N+?B+20N−14B3.016.516.55.006390.0
17Golec, Sebastian0LUX−5N−12B=18N−16B=21N+23B+?N3.015.015.02.006670.0
18FIDE 40112950—−14N−20B=17B+23N−12B+21N−10N2.517.017.03.006390.0
19FIDE 40111040—−1N+16B−6N+?B−8N−10B−15N2.025.525.53.007590.0
20FIDE 40101830—−4B+18N−11BF−13N−16B+23N2.017.517.52.507440.0
21FIDE 40112790—−6N−15B+?N−13N=17B−18BF1.516.016.01.507170.0
22Lawand, Mahmoud0LUX+?N−9B−10NFFFF1.010.010.00.006990.0
23FIDE 40110820—−9N−?BF−18BF−17N−20B0.014.514.50.006990.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets