Wakacyjne FIDE granie w Hetmanie 2_2025
12 players participated in this 5-round tournament, held from 27 Jul 2025 to 31 Jul 2025 in Warszawa, Poland. Top 10 Elo average was 1414, and top seed was Szymon Kazana (🇵🇱 POL, 1661).
Fabian Chacinski Osorio (🇵🇱 POL, 1608) won with 4.5/5, ahead of Marcin Kruk (4.0) and Leon Michalak (3.5). Chacinski Osorio won solo starting round 4.
The biggest upset came in round 1: Grzegorz Chojnacki (1464) beat Wiktor Muronczyk (1638), a +174-point gap.
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How it unfolded
Top 6 · 5 roundsFabian Chacinski Osorio led from R4; +0.5-point edge over the runner-up.
Fabian Chacinski Osorio held the sole lead from R4 through R5 without losing it.
Fabian Chacinski Osorio beat Marcin Kruk (White).
Fabian Chacinski Osorio 4 wins (R1–R4)Marcin Kruk 4 wins (R2–R5)Leon Michalak 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Fabian Chacinski Osorio | * | 1 | 1 | — |
| 2Marcin Kruk | 0 | * | — | — |
| 3Leon Michalak | 0 | — | * | — |
| 4Kamil Maczka | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Chacinski Osorio, Fabian | 1608 | POL | +2B | +6N | +7B | +3N | =4B | 4.5 | 13.0 | 15.5 | 14.00 | 1904 | +44.0 |
| 2 | Kruk, Marcin | 0 | POL | −1N | +9B | +10N | +8B | +6N | 4.0 | 11.0 | 13.0 | 8.50 | 1833 | -2.8 |
| 3 | Michalak, Leon | 1619 | POL | +11N | +8B | +4N | −1B | =7N | 3.5 | 12.0 | 12.5 | 6.75 | 1760 | +28.8 |
| 4 | Kazana, Szymon | 1661 | POL | +12B | +7N | −3B | =6N | =1N | 3.0 | 13.0 | 13.5 | 6.50 | 1488 | -28.4 |
| 5 | Maczka, Kamil | 0 | POL | −8N | +11B | −9N | +10B | +12N | 3.0 | 6.5 | 7.0 | 3.00 | 1547 | 0.0 |
| 6 | Kwiek, Janusz | 1605 | POL | +9N | −1B | +8N | =4B | −2B | 2.5 | 13.5 | 15.5 | 5.50 | 1690 | +8.2 |
| 7 | Chojnacki, Grzegorz | 1464 | POL | +10N | −4B | −1N | +11B | =3B | 2.5 | 13.0 | 13.5 | 4.25 | 1595 | 0.0 |
| 8 | Knotek, Wiktor | 1554 | POL | +5B | −3N | −6B | −2N | +9N | 2.0 | 13.0 | 15.0 | 5.00 | 1470 | -6.6 |
| 9 | Melgies, Mikolaj | 1552 | POL | −6B | −2N | +5B | +12N | −8B | 2.0 | 11.5 | 12.0 | 3.50 | 782 | -36.8 |
| 10 | Muronczyk, Wiktor | 1638 | POL | −7B | +12N | −2B | −5N | +11B | 2.0 | 10.0 | 10.5 | 1.00 | 2244 | +10.0 |
| 11 | Tomczyk, Ryszard | 1440 | POL | −3B | −5N | =12B | −7N | −10N | 0.5 | 11.0 | 11.5 | 0.25 | 829 | -10.4 |
| 12 | Vyas, Arjun | 0 | POL | −4N | −10B | =11N | −9B | −5B | 0.5 | 10.0 | 10.5 | 0.25 | 1253 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Chacinski Osorio, FabianPOL+44.04.5 pts · #3
- 2Michalak, LeonPOL+28.83.5 pts · #2
- 3Muronczyk, WiktorPOL+10.02.0 pts · #8
- 1Melgies, MikolajPOL-36.82.0 pts · #12
- 2Kazana, SzymonPOL-28.43.0 pts · #9
- 3Tomczyk, RyszardPOL-10.40.5 pts · #11
- R1+174 Elo gap