CChessStats

Petra Chess Weekend 43

Open SwissStandard

27 players participated in this 7-round tournament, held from 16 Oct 2025 to 19 Oct 2025 in Satu Mare, Romania. 2 titled players from 3 federations. Top 10 Elo average was 1911, and top seed was Attila Szabo (🇷🇴 ROU, FM, 2101).

Attila Szabo (🇷🇴 ROU, FM, 2101) won with 5.5/7, ahead of Marian-Gabriel Muresan (5.0) and Margareta Sarivan (5.0). Szabo shared the lead from round 6 and broke clear in the final round.

The biggest upset came in round 4: Amalia-Maria Zamfirache (1778) beat Petrica Costin (FM, 1944), a +166-point gap.

Location
🇷🇴Satu Mare, Romania
Dates
16 Oct 2025 → 19 Oct 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇷🇴FMAttila Szabo2101
Avg top 10
1,911
Participants
27
Titled players · 2
FM×2
Federations · 3 represented
🇷🇴Romania×24
🇲🇩Moldova×1
🇭🇺Hungary×1
Top 3

How it unfolded

Top 6 · 7 rounds

FM Attila Szabo led from R7; +0.5-point edge over the runner-up. Title race converged from 4 co-leaders at R4 to 1 by R7.

Co-leaders
11
8
3
4
1
3
1
23.55.57R1R2R3R4R5R6R7Szabo takes lead
Szabo5.5Muresan5Iuga5Sarivan5Marchis4.5Kiss-Roth4.5
R7 · LEADER CHANGE19 Oct

FM Attila Szabo takes the sole lead (5.5/7).

R6 · HEAD-TO-HEAD · WINNER VS 2ND

FM Attila Szabo beat Marian-Gabriel Muresan (Black).

R1–R5 · WIN STREAK

Marian-Gabriel Muresan won 4 in a row (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1FMAttila Szabo*
1
½
½
2Marian-Gabriel Muresan
0
*
1
1
3Ioan-Alexandru Iuga
½
0
*—
4Margareta Sarivan
½
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Szabo, AttilaFM2101ROU+10B=3N+16B=4N=12B+2N+5B5.526.028.522.002090-1.0
2Muresan, Marian-Gabriel1947ROU+9BF+11N+3N+4B−1B+6N5.027.027.021.502134+54.8
3Sarivan, Margareta1847MDA+25N=1B+5N−2B=6N+14B+8B5.026.027.017.001972+25.0
4Iuga, Ioan-Alexandru1966ROU+14N=5B+15N=1B−2N+13B+16N5.024.026.516.501992+16.4
5Kiss-Roth, Abel1940ROU+26B=4N−3B+10N+16B+12N−1N4.524.525.512.501931+3.2
6Marchis, Arghil1853HUN+17B=19N=12B+20N=3B+7N−2B4.521.523.513.501898+11.0
7Sogor, Andras-Csaba1923ROU=13NF+25B=8N+14B−6B+15N4.018.018.010.251799-14.8
8Cret, Andrei-Rares1634ROUF=16B+18N=7B=19N+9B−3N3.519.519.510.251847+65.2
9Marchis, Carla-Ioana1648ROU−2NF=22B+17N+11B−8N+13B3.519.519.510.001711+23.6
10Maier, Alexandru Sever1737ROU−1NF+17B−5B=21N+24N+20B3.518.018.07.001738-4.0
11Moroz, Cristian-Andrei1769ROU+27NF−2B=13B−9N+25N+12B3.515.515.55.501687-19.6
12Zamfirache, Amalia-Maria1778ROU+23BF=6N+19B=1N−5B−11N3.021.521.58.501848+16.8
13Tamas, Alexandru-Marius1560ROU=7B+24N−20B=11N+25B−4N−9N3.019.520.56.251602+3.8
14Pop, Marius-Ionut1697ROU−4BF+23N+15B−7N−3N+25B3.019.519.55.501737+8.8
15Grad, Gheorghe1783ROU+22NF−4B−14N+20B+18N−7B3.018.518.56.501697-12.0
16Seletye, Dominik1810ROU+21B=8N−1N+26B−5NF−4B2.522.523.54.751729-25.6
17Muntean, Cristian1551ROU−6NF−10N−9B+23N=22B+27B2.515.015.02.501349-41.6
18Chis, Alexandru-Gabriel1586ROU−19B+21N−8BF+26N−15B=22N2.513.513.54.001590-3.6
19Costin, PetricaFM1944ROU+18N=6BF−12N=8BFF2.016.016.06.501711-22.0
20Cret, George-Christian1567ROUFF+13N−6B−15N+21B−10N2.016.016.05.001615+11.6
21Sandea, Dorin-Gheorghe1479ROU−16N−18BF=22N=10B−20N+24B2.014.014.04.251389-15.4
22Stana, Rares-Andrei1459ROU−15BF=9N=21BF=17N=18B2.013.513.55.251545+22.0
23Takacs, David-Antal0ROU−12NF−14B=24N−17B+26BF1.511.011.01.7514600.0
24Asztalnok, Robert-Levente0ROUF−13B−26N=23B+27N−10B−21N1.511.011.00.757920.0
25Ianiga, David1530ROU−3BF−7N+27B−13N−11B−14N1.018.518.50.00956-46.4
26Bruma, Ioan1567ROU−5NF+24B−16N−18B−23NF1.012.512.51.50977-15.4
27FIDE 12807750—−11BFF−25N−24BF−17N0.08.58.50.008230.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets