CChessStats

III Turniej o puchar Twierdzy Mokotow

Open SwissStandard

24 players participated in this 5-round tournament, held from 10 Jan 2026 to 11 Jan 2026 in Warszawa, Poland. 2 titled players. Top 10 Elo average was 2036, and top seed was Mieszko Mis (🇵🇱 POL, IM, 2397).

Dawid Ostojski (🇵🇱 POL, 1970) won with 4.5/5, ahead of Michal Koziorowicz (4.0) and Mieszko Mis (3.5). Ostojski shared the lead from round 4 and broke clear in the final round.

The biggest upset came in round 5: Dawid Ostojski (1970) beat Mieszko Mis (IM, 2397), a +427-point gap.

Location
🇵🇱Warszawa, Poland
Dates
10 Jan 2026 → 11 Jan 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇵🇱IMMieszko Mis2397
Avg top 10
2,036
Participants
24
Titled players · 2
IM×1
FM×1
Federations · 1 represented
🇵🇱Poland×24
Top 3

How it unfolded

Top 6 · 5 rounds

Dawid Ostojski led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
11
5
1
2
1
1.52.545R1R2R3R4R5Ostojski takes lead
Ostojski4.5Koziorowicz4Zysko3.5Celinski3.5Mis3.5Skurniak3
R5 · LEADER CHANGE11 Jan

Dawid Ostojski takes the sole lead (4.5/5).

R1–R5 · UNBEATEN

Dawid Ostojski went unbeaten across 5 games (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Dawid Ostojski*——
1
2FMMichal Koziorowicz—*—
½
3Jan Zysko——*—
4Kamil Celinski
0
½
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Ostojski, Dawid1970POL+23N+15B=7N+4B+3N4.512.012.010.502273+31.6
2Koziorowicz, MichalFM2324POL+22N+8B=4N=3B+9N4.013.013.09.502288+0.6
3Mis, MieszkoIM2397POL+10B+16N+6B=2N−1B3.514.016.09.502230-7.2
4Celinski, Kamil2071POL+14B+13N=2B−1N+6B3.513.515.59.002127+9.6
5Zysko, Jan2137POL=7B=12N=10B+13N+16B3.510.012.08.001927-19.2
6Skurniak, Szymon2090POL+17N+9B−3N+7B−4N3.013.015.08.002010-6.4
7Stepien, Antoni1690POL=5N+20B=1B−6N+13B3.013.014.07.001996+54.4
8Mich, Kajetan1858POL+11B−2N=17B=10N+14B3.011.013.06.751858-2.4
9Lewczuk, Jakub1841POL+19B−6N+14B+16N−2B3.011.012.55.501950+26.4
10Rytel, Maciej1693POL−3N+23B=5N=8B=11N2.512.512.54.501866+17.6
11Zajkowski, Bartosz1612POL−8N+22B=15N=12N=10B2.510.010.03.501740+34.4
12Joachimiak, Adam1712POL−20N=5B+22N=11B=19N2.58.58.53.751834+20.8
13Rzepinski, Maciej1831POL+18N−4B+20N−5B−7N2.012.013.03.001672-17.4
14Borkowski, Jan1670POL−4N+18B−9N+21B−8N2.011.512.53.001695+0.3
15Urbaniak, Karol1740POL+21B−1N=11B=17N−18B2.011.012.03.251595-19.8
16Stankowski, Wiktor1844POL+24N−3B+21N−9B−5N2.011.011.01.001786-13.5
17Sabat, Anna1687POL−6B+19N=8N=15B−21N2.09.510.54.001674-4.6
18Witkowski, Tomasz1541POL−13B−14NF+20B+15N2.07.07.03.001625+8.4
19Bzoma, Wojciech1546POL−9N−17B+23NF=12B1.57.57.51.251640+18.0
20Paluszkiewicz, Rafal0POL+12B−7N−13B−18NF1.09.59.52.5015070.0
21Paluszkiewicz, Rafal1511POL−15NF−16B−14N+17B1.08.08.02.001544+5.6
22Rydel, Kacper1692POL−2B−11N−12BF—0.09.010.50.001005-46.4
23Murmantsava, Maryia1655POL−1B−10N−19BF—0.08.58.50.00936-44.1
24Konopka, Tymon1562POL−16B————0.00.02.00.001044-6.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets