Miedzynarodowa Olimpiada Dzieci i Mlodzikow do lat 9 lat w Szachach Klasycznych 2026
Open SwissStandard
25 players participated in this 9-round tournament, held from 30 Apr 2026 to 03 May 2026 in Poronin, Poland. Top 10 Elo average was 1333, and top seed was Maksymilian Oledzki (🇵🇱 POL, 1572).
Maciej Zak (🇵🇱 POL, 0) won with 7.5/9, ahead of Lucas Szymko (7.0) and Jan Pracuch (6.0). Zak broke clear in the final round.
The biggest upset came in round 5: Filip Kokosza (1443) beat Maksymilian Oledzki (1572), a +129-point gap.
Location
🇵🇱Poronin, Poland
Dates
30 Apr 2026 → 03 May 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 9 rounds
Federations · 1 represented
🇵🇱Poland×21
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsMaciej Zak led from R4; +0.5-point edge over the runner-up.
Co-leaders
13
7
3
1
1
3
3
2
1
R4–R9 · LEAD HELD
Maciej Zak held the sole lead from R4 through R9 without losing it.
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Maciej Zak drew with Lucas Szymko (Black).
R1–R4 · WIN STREAK
Maciej Zak won 4 in a row (R1–R4).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Maciej Zak | * | ½ | ½ | ½ |
| 2Lucas Szymko | ½ | * | ½ | ½ |
| 3Jan Pracuch | ½ | ½ | * | 1 |
| 4Filip Kokosza | ½ | ½ | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Zak, Maciej | 0 | POL | +?N | +5B | +11N | +8B | =2N | =4B | =3B | +9N | +7N | 7.5 | 47.0 | 47.0 | 37.50 | 1572 | 0.0 |
| 2 | Szymko, Lucas | 0 | POL | +24B | +14N | =3B | +7N | =1B | +9N | =4B | +10N | =5B | 7.0 | 46.5 | 48.5 | 35.75 | 1705 | -1.2 |
| 3 | Pracuch, Jan | 1469 | POL | +23N | +13B | =2N | +4B | =8N | +5B | =1N | −7B | =9N | 6.0 | 48.0 | 50.5 | 32.25 | 1532 | +17.2 |
| 4 | Kokosza, Filip | 1443 | POL | +18B | +22N | +7B | −3N | +14B | =1N | =2N | −8B | +13N | 6.0 | 45.0 | 48.0 | 29.25 | 1503 | +13.2 |
| 5 | Duszak, Franciszek | 1458 | POL | +20B | −1N | +15B | +18N | =10B | −3N | +22B | +14N | =2N | 6.0 | 43.0 | 46.0 | 26.25 | 1499 | +7.2 |
| 6 | Franaszek, Jan | 0 | POL | +?B | −7N | −18B | −15N | +?B | +?N | +19B | +12N | +8N | 6.0 | 28.5 | 28.5 | 14.50 | 1486 | 0.0 |
| 7 | Karp, Anna | 1498 | POL | +12N | +6B | −4N | −2B | +21N | +13B | =8N | +3N | −1B | 5.5 | 48.0 | 51.0 | 27.75 | 1462 | -6.0 |
| 8 | Goldynia, Wojciech | 1473 | POL | +16B | +9N | +10B | −1N | =3B | =15N | =7B | +4N | −6B | 5.5 | 46.5 | 51.0 | 29.50 | 1699 | +56.0 |
| 9 | Mackowiak, Krystian | 1427 | POL | +21N | −8B | +17N | +13B | +11N | −2B | +12N | −1B | =3B | 5.5 | 46.0 | 49.0 | 26.00 | 1492 | +10.8 |
| 10 | Michalowska, Maria | 1456 | POL | +17N | +25B | −8N | +21B | =5N | −14B | +11N | −2B | +15N | 5.5 | 40.5 | 42.5 | 22.50 | 1422 | -8.4 |
| 11 | Karcz, Bartlomiej | 1534 | POL | =15B | +16N | −1B | +24N | −9B | +18N | −10B | +17N | +14B | 5.5 | 40.5 | 42.5 | 21.75 | 1360 | -28.4 |
| 12 | Olszowski, Aleksander | 0 | POL | −7B | +24N | −14B | +?N | +16B | +20N | −9B | −6B | +18N | 5.0 | 36.0 | 36.0 | 14.50 | 699 | 0.0 |
| 13 | Jastrzebski, Jan | 0 | POL | +?B | −3N | +?B | −9N | +18B | −7N | +20B | +15N | −4B | 5.0 | 35.5 | 35.5 | 12.50 | 659 | 0.0 |
| 14 | Oledzki, Maksymilian | 1572 | POL | +19N | −2B | +12N | +22B | −4N | +10N | =15B | −5B | −11N | 4.5 | 43.5 | 46.5 | 19.75 | 1280 | -61.6 |
| 15 | Mikolajewski, Miron | 0 | POL | =11N | +19B | −5N | +6B | +22N | =8B | =14N | −13B | −10B | 4.5 | 42.0 | 45.0 | 20.75 | 1350 | 0.0 |
| 16 | FIDE 91192064 | 0 | — | −8N | −11B | +?N | =17B | −12N | +?B | +21N | −19B | +23B | 4.5 | 30.0 | 30.0 | 7.75 | 704 | 0.0 |
| 17 | Chmal, Stanislaw | 0 | POL | −10B | +?N | −9B | =16N | −19B | +?N | +?B | −11B | +?N | 4.5 | 25.0 | 25.0 | 2.25 | 672 | 0.0 |
| 18 | Dudzik, Roch | 0 | POL | −4N | +?B | +6N | −5B | −13N | −11B | +?N | +22B | −12B | 4.0 | 36.5 | 36.5 | 9.00 | 678 | 0.0 |
| 19 | Krzyzanowski, Cezary | 0 | POL | −14B | −15N | −24B | F | +17N | +25B | −6N | +16N | +20B | 4.0 | 32.0 | 32.0 | 15.00 | 772 | 0.0 |
| 20 | Jochemczyk, Milena | 0 | POL | −5N | −21B | +23N | +?B | +25N | −12B | −13N | +?B | −19N | 4.0 | 27.5 | 27.5 | 4.50 | 658 | 0.0 |
| 21 | Jakubowski, Tomasz | 0 | POL | −9B | +20N | +?B | −10N | −7B | −22N | −16B | F | +25N | 3.0 | 30.0 | 30.0 | 6.00 | 660 | 0.0 |
| 22 | Gad, Stanislaw | 0 | POL | +?N | −4B | +25N | −14N | −15B | +21B | −5N | −18N | F | 3.0 | 30.0 | 30.0 | 5.00 | 691 | 0.0 |
| 23 | FIDE 545083142 | 0 | — | −3B | =?N | −20B | −?N | −?B | F | +25N | +24B | −16N | 2.5 | 18.5 | 18.5 | 4.00 | 669 | 0.0 |
| 24 | FIDE 545032823 | 0 | — | −2N | −12B | +19N | −11B | −?N | −?B | F | −23N | +?B | 2.0 | 24.0 | 24.0 | 4.00 | 734 | 0.0 |
| 25 | FIDE 545068305 | 0 | — | F | −10N | −22B | +?N | −20B | −19N | −23B | +?N | −21B | 2.0 | 22.0 | 22.0 | 0.00 | 656 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Goldynia, WojciechPOL+56.05.5 pts · #3
- 2Pracuch, JanPOL+17.26.0 pts · #4
- 3Kokosza, FilipPOL+13.26.0 pts · #5
Top rating losers
- 1Oledzki, MaksymilianPOL-61.64.5 pts · #13
- 2Karcz, BartlomiejPOL-28.45.5 pts · #11
- 3Michalowska, MariaPOL-8.45.5 pts · #6
Biggest upsets
- R5+129 Elo gap
- R8+114 Elo gap
- R5+107 Elo gap