CChessStats

Petra Chess Weekend 44

Open SwissStandard

25 players participated in this 7-round tournament, held from 28 Nov 2025 to 01 Dec 2025 in Satu Mare, Romania. 2 titled players from 3 federations. Top 10 Elo average was 1947, and top seed was Attila Szabo (🇷🇴 ROU, FM, 2101).

Marian-Gabriel Muresan (🇷🇴 ROU, 2002) won with 5.0/7, ahead of Sorin-Mihai Samu (5.0) and Amrit-Darius Kumar (5.0). Muresan shared the lead from round 1, winning on tie-break.

The biggest upset came in round 1: Alexandru-Marius Tamas (1554) beat Ludovic Torzsas (1880), a +326-point gap.

Location
🇷🇴Satu Mare, Romania
Dates
28 Nov 2025 → 01 Dec 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇷🇴FMAttila Szabo2101
Avg top 10
1,947
Participants
25
Titled players · 2
FM×2
Federations · 3 represented
🇷🇴Romania×22
🇲🇩Moldova×1
🇭🇺Hungary×1
Top 3

How it unfolded

Top 6 · 7 rounds

Tight race until R3; 3 players tied at 5.0/7, decided on Buchholz.

Co-leaders
7
2
1
1
2
1
3
23.55.57R1R2R3R4R5R6R7
Muresan5Samu5Kumar5Sarivan4.5Szabo4.5Pasca4.5
R3–R7 · LEAD HELD

Marian-Gabriel Muresan held the sole lead from R3 through R7 without losing it.

R7 · TIEBREAK CLUSTER

3 players finish on 5.0/7. Muresan takes the title on Buchholz Cut1 (26.0).

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Marian-Gabriel Muresan lost to Sorin-Mihai Samu (White).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Marian-Gabriel Muresan*
0
1
—
2Sorin-Mihai Samu
1
*——
3Amrit-Darius Kumar
0
—*—
4Margareta Sarivan———*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Muresan, Marian-Gabriel2002ROU+17B+4N+14B=8N=5N+3B−2B5.026.028.519.252053+21.6
2Samu, Sorin-Mihai2026ROU+11N−14B+13N−4B+9N+7B+1N5.025.028.020.501927-11.6
3Kumar, Amrit-Darius1887ROU=9N=20B+23B+14N+10B−1N+8B5.021.522.514.751936+19.2
4Pasca, Alexandru-Daniel1838ROU+23N−1B+19B+2N−8B+12N=5N4.524.025.013.751970+44.4
5Szabo, AttilaFM2101ROUF+13N+15B+16N=1B=8N=4B4.523.023.016.252045-5.2
6Sarivan, Margareta1872MDA=19N+9B−16N+21B−7N+18B+15N4.517.519.011.251844-2.4
7Nasui, Andrei-Catalin1730ROU+18N=15B−8N+11B+6B−2N=10B4.024.526.514.001962+85.2
8Pozna Tokos, Bence1933ROUF+21N+7B=1B+4N=5B−3N4.024.524.514.752003+23.6
9Nasui, Vasile1660ROU=3B−6N=11B+23N−2B+25N+14B4.022.522.58.501790+15.0
10Iuga, Ioan-Alexandru1983ROU−14N+12B+20N+25B−3N=15B=7N4.020.520.59.001779-58.4
11Zamfirache, Amalia-Maria1794ROU−2B+18B=9N−7N=17B+22N+19B4.019.020.58.251769-6.4
12Torzsas, Ludovic1880ROU−13B−10N+24B+19N+25N−4B+16N4.017.017.05.001664-26.2
13Tamas, Alexandru-Marius1554ROU+12N−5B−2B+17N−14B=21N+20B3.520.522.08.751788+39.2
14Maier, Alexandru Sever1734ROU+10B+2N−1N−3B+13N−16B−9N3.026.529.512.501790+14.0
15Marchis, Arghil1865HUN+22B=7N−5NF+16B=10N−6B3.021.521.58.501820-6.6
16Negrean, Dorel1779ROUF+24N+6B−5B−15N+14N−12B3.019.519.58.001818+4.2
17Moroz, Cristian-Andrei1750ROU−1NFF−13B=11N+23B+24N2.514.014.03.501506-35.2
18Costin, PetricaFM1922ROU−7B−11NF+20B+21N−6NF2.015.515.53.001658-33.4
19Muntean, Cristian1511ROU=6BF−4N−12BF+20N−11N1.518.518.53.751636+17.6
20Bruma, Ioan1551ROUF=3N−10B−18N+24B−19B−13N1.516.516.53.001402-16.6
21Orban, Vasile-Gheorghe1715ROUF−8B+22N−6N−18B=13BF1.515.515.53.251495-19.2
22Marc, Claudiu0ROU−15NF−21B=24N+23B−11BF1.510.010.01.259890.0
23Takacs, David-Antal0ROU−4BF−3N−9B−22N−17N+25B1.017.517.50.009820.0
24Asztalnok, Robert-Levente0ROUF−16B−12N=22B−20NF−17B0.512.512.50.759370.0
25FIDE 12807750—FFF−10N−12B−9B−23N0.013.013.00.0010390.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets