CChessStats

Wakacyjne FIDE granie w Hetmanie 2_2025

Open SwissStandard

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.

Location
🇵🇱Warszawa, Poland
Dates
27 Jul 2025 → 31 Jul 2025
Time control
Standard: 75 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇵🇱Szymon Kazana1661
Avg top 10
1,414
Participants
12
Federations · 1 represented
🇵🇱Poland×12
Top 3

How it unfolded

Top 6 · 5 rounds

Fabian Chacinski Osorio led from R4; +0.5-point edge over the runner-up.

Co-leaders
6
3
2
1
1
1.52.545R1R2R3R4R5
R4–R5 · LEAD HELD

Fabian Chacinski Osorio held the sole lead from R4 through R5 without losing it.

R1 · HEAD-TO-HEAD · WINNER VS 2ND

Fabian Chacinski Osorio beat Marcin Kruk (White).

WIN STREAKS · 3 top finishers

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
Player1234
1Fabian Chacinski Osorio*
1
1
2Marcin Kruk
0
*
3Leon Michalak
0
*
4Kamil Maczka*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Chacinski Osorio, Fabian1608POL+2B+6N+7B+3N=4B4.513.015.514.001904+44.0
2Kruk, Marcin0POL1N+9B+10N+8B+6N4.011.013.08.501833-2.8
3Michalak, Leon1619POL+11N+8B+4N1B=7N3.512.012.56.751760+28.8
4Kazana, Szymon1661POL+12B+7N3B=6N=1N3.013.013.56.501488-28.4
5Maczka, Kamil0POL8N+11B9N+10B+12N3.06.57.03.0015470.0
6Kwiek, Janusz1605POL+9N1B+8N=4B2B2.513.515.55.501690+8.2
7Chojnacki, Grzegorz1464POL+10N4B1N+11B=3B2.513.013.54.2515950.0
8Knotek, Wiktor1554POL+5B3N6B2N+9N2.013.015.05.001470-6.6
9Melgies, Mikolaj1552POL6B2N+5B+12N8B2.011.512.03.50782-36.8
10Muronczyk, Wiktor1638POL7B+12N2B5N+11B2.010.010.51.002244+10.0
11Tomczyk, Ryszard1440POL3B5N=12B7N10N0.511.011.50.25829-10.4
12Vyas, Arjun0POL4N10B=11N9B5B0.510.010.50.2512530.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets