CChessStats

I Kongres Fritza Riemanna

Open SwissStandard

22 players participated in this 9-round tournament, held from 31 Jan 2026 to 02 Feb 2026 in Swidnica, Poland. 2 federations represented. Top 10 Elo average was 1771, and top seed was Kacper Grech (🇵🇱 POL, 1972).

Oleg Achinovich (🇺🇦 UKR, 1942) won with 7.5/9, ahead of Kacper Grech (7.0) and Daria Repetilo (7.0). Achinovich won solo starting round 8.

The biggest upset came in round 8: Adrian Slotwinski (1687) beat Kacper Grech (1972), a +285-point gap.

Location
🇵🇱Swidnica, Poland
Dates
31 Jan 2026 → 02 Feb 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 9 rounds
Top seed
🇵🇱Kacper Grech1972
Avg top 10
1,771
Participants
22
Federations · 2 represented
🇵🇱Poland×20
🇺🇦Ukraine×2
Top 3

How it unfolded

Top 6 · 9 rounds

Oleg Achinovich led from R8; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R8.

Co-leaders
11
5
3
2
2
2
2
1
1
2.54.579R1R2R3R4R5R6R7R8R9
Achinovich7.5Grech7Repetilo7Slotwinski6.5Kozaczuk5.5Bos5
R8–R9 · LEAD HELD

Oleg Achinovich held the sole lead from R8 through R9 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Oleg Achinovich drew with Kacper Grech (Black).

WIN STREAKS · 3 top finishers

Oleg Achinovich 4 wins (R1–R4)Kacper Grech 4 wins (R1–R4)Daria Repetilo 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Oleg Achinovich*
½
1
½
2Kacper Grech
½
*
½
0
3Daria Repetilo
0
½
*
½
4Adrian Slotwinski
½
1
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Achinovich, Oleg1942UKR+10N+13B+6N+3B=2N=4B+12N+7B=5N7.544.048.038.502010+27.0
2Grech, Kacper1972POL+21B+5N+7B+6N=1B=3N+10B−4N+11B7.044.545.531.751942-3.2
3Repetilo, Daria1769UKR+16B+18N+5B−1N+7B=2B=4N+10N+12B7.042.044.530.251914+60.0
4Slotwinski, Adrian1687POL+15N−6B+11N+13B=8N=1N=3B+2B+19N6.541.543.529.001870+38.0
5Kozaczuk, Witold1735POL+9N−2B−3N+19B−10N+15B+8N+6B=1B5.542.044.022.251742+3.2
6Bos, Nina1862POL+14B+4N−1B−2B+9N+8B−7N−5N+10B5.044.547.522.501735-38.8
7Kulczycki, Oliwier1787POL+11N+8B−2N+10B−3N−13B+6B−1N+16B5.043.045.520.001755-12.0
8Sliwowski, Igor1601POL+12B−7N+17B=18N=4B−6N−5B=11N+15B4.535.037.515.501594-5.6
9Cygan, Miroslaw1466POL−5B+21N=18B=14N−6B+19N−11B=12N+17N4.528.529.510.251550+12.4
10Gruszczynski, Maciej1518POL−1B+17N+20B−7N+5B+11N−2N−3B−6N4.043.545.013.501670+28.2
11Walczak, Pawel1511POL−7B+12N−4B+17N=18B−10B+9N=8B−2N4.038.040.514.501542+4.0
12Szulikowski, Szymon0POL−8N−11B+15N=16N+20B+18N−1B=9B−3N4.035.036.510.0015490.0
13Parysek, Lechoslaw1715POL+20B−1N+16B−4N+14B+7N———4.024.526.012.001775+20.4
14Miedzinski, Fryderyk1512POL−6N=15B+22N=9B−13N−17B−19N+20BF3.022.022.05.0015260.0
15Chrobak, Krzysztof1457POL−4B=14N−12B=20N+16B−5N=17N−19B−8N2.530.532.06.001462-1.6
16Majewski, Dawid1509POL−3N+19B−13N=12B−15NFF+17B−7N2.528.028.06.501394-29.2
17Piatek, Antoni1440POL+22N−10B−8N−11B−21N+14N=15B−16N−9B2.526.026.04.251360-39.2
18Wozny, Jan1614POL+19N−3B=9N=8B=11N−12B———2.524.026.08.501500-26.0
19Walczak, Kamil0POL−18B−16NF−5NF−9B+14B+15N−4B2.027.027.05.5014100.0
20Kazmierczuk, Zenon1462POL−13N+22B−10N=15B−12NFF−14N—1.517.517.51.251418-13.2
21Bieszczad, Michal1524POL−2N−9BFF+17BF———1.016.516.52.501486-5.6
22Pawlowski, Bogdan1628POL−17B−20N−14BFF————0.09.09.00.00672-84.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets