CChessStats

Cluj Chess Marathon 9th ed. - Open

Open SwissStandard

26 players participated in this 7-round tournament, held from 21 Nov 2025 to 23 Nov 2025 in Cluj-Napoca, Romania. 1 titled players from 2 federations. Top 10 Elo average was 1966, and top seed was Cristi-Iulian Coca (🇷🇴 ROU, FM, 2238).

Radu Tampea (🇷🇴 ROU, 2150) won with 6.5/7, ahead of Dan-Calin Ambru (5.0) and Cristi-Iulian Coca (5.0). Tampea won solo starting round 4.

The biggest upset came in round 3: Daniel-Attila Vitan (1737) beat Cristi-Iulian Coca (FM, 2238), a +501-point gap.

Location
🇷🇴Cluj-Napoca, Romania
Dates
21 Nov 2025 → 23 Nov 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇷🇴FMCristi-Iulian Coca2238
Avg top 10
1,966
Participants
26
Titled players · 1
FM×1
Federations · 2 represented
🇷🇴Romania×23
🇹🇷Turkiye×2
Top 3

How it unfolded

Top 6 · 7 rounds

Radu Tampea led from R4; +1.5-point edge over the runner-up.

Co-leaders
11
5
2
1
1
1
1
23.55.57R1R2R3R4R5R6R7
Tampea6.5Liga5Ambru5Coca5Serbulent4Veneteanu4
R4–R7 · LEAD HELD

Radu Tampea never relinquished the lead after R4; final gap +1.5 over the runner-up.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Radu Tampea beat Matei Liga (Black).

WIN STREAKS · 2 top finishers

Radu Tampea 6 wins (R1–R6)Matei Liga 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Radu Tampea*
1
—
½
2Matei Liga
0
*
0
—
3Dan-Calin Ambru—
1
*
0
4FMCristi-Iulian Coca
½
—
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Tampea, Radu2150ROU+12B+9N+7B+5N+6B+4N=3B6.526.030.027.502279+15.8
2Ambru, Dan-Calin1998ROU+18B+4N=8B=7N+5B−3N+13B5.025.528.019.002044+10.0
3Coca, Cristi-IulianFM2238ROU+16N=6B−5N+17B+20N+2B=1N5.025.528.018.752064-20.2
4Liga, Matei1748ROU+21N−2B+19N+15B+11N−1B+7N5.025.027.015.502018+94.8
5Vitan, Daniel-Attila1737ROU+23B+13N+3B−1B−2N=10N=8B4.028.029.013.501964+76.4
6Milasan, George1784ROU+26B=3N+13B+8N−1N=7B−11N4.027.027.012.002030+82.0
7Pozna Tokos, Bence1933ROU+15N+25B−1N=2B+16N=6N−4B4.026.526.510.501840-27.6
8Serbulent, Huseyin1864TUR+19B+10N=2N−6B=9B=13N=5N4.024.527.014.7518590.0
9Nagy, David-Ervin1799ROU+17N−1B−15N+21B=8N+16B=10N4.023.525.512.001792-2.8
10Cret, Andrei-Rares1703ROU+24N−8B−11N+23B+15N=5B=9B4.020.020.08.001790+31.2
11Veneteanu, Mihai2122ROUFF+10B+22N−4B+20N+6B4.017.517.512.501977-11.0
12Macioca, Laurentiu-Daniel1674ROU−1N−17B+24N+26B−13B+21N+22N4.017.017.04.001766+14.4
13Samu, Sorin-Mihai2026ROU+20N−5B−6N+19B+12N=8B−2N3.523.526.011.001763-42.0
14Trif, Stefan1633ROUF−15B−18N+24B=19N+23B+25N3.59.09.02.251595-10.4
15Guo, Aris-Dian1657ROU−7B+14N+9B−4N−10B=18N=20B3.023.025.510.001683+8.0
16Tarman, Ufuk1703TUR−3B=22N+26N+18B−7B−9N=17B3.020.520.55.001719-0.2
17Krajla, Ciprian-Zoltan1581ROU−9B+12NF−3N+25B=22B=16N3.018.018.06.501702+13.8
18Hale, Eduard1667ROU−2N−21B+14B−16N+23N=15BF2.519.020.06.001624-19.2
19Jacodi, Tudor-Andrei1616ROU−8N+24B−4B−13N=14B+25NF2.518.518.51.751601-11.2
20Paraschiv, Andrei-Cristian1669ROU−13B+23NF+25N−3B−11B=15N2.516.516.52.501719+1.4
21Tamas, Alexandru-Marius1554ROU−4B+18N−22B−9N+24B−12BF2.017.517.52.501557+1.0
22Bucsi, Krisztian1728ROUF=16B+21N−11BF=17N−12B2.016.016.05.001651-24.0
23Popescu, Mihaela1554ROU−5N−20BF−10N−18B−14N+24N1.016.516.50.001374-46.0
24Sandea, Dorin-Gheorghe1460ROU−10B−19N−12B−14N−21NF−23B0.017.017.00.00819-39.4
25FIDE 422479690—F−7NF−20B−17N−19B−14B0.015.515.50.008850.0
26Chiotan, Victor1579ROU−6NF−16B−12NFFF0.011.011.00.00919-38.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets