Pitesti Chess Classic IV - U1500

Open SwissStandard

54 players participated in this 6-round tournament, held from 20 Sept 2025 to 21 Sept 2025 in Pitesti, Romania. Top 10 Elo average was 1485, and top seed was Darius-Matei Stanciu (🇷🇴 ROU, 1498).

Radu Stefan Chiazna (🇷🇴 ROU, 1453) won with 5.5/6, ahead of Ioan-Casian Mazilu (5.5) and Alexandru-Petrut Stanciu (5.0). Chiazna shared the lead from round 3, winning on tie-break.

Location

🇷🇴Pitesti, Romania

Dates

20 Sept 2025 → 21 Sept 2025

Time control

Standard: 30 minutes for game with 30 seconds increment from move 1

System

Swiss · 6 rounds

Top seed

🇷🇴Darius-Matei Stanciu1498

Avg top 10

1,485

Participants

Federations · 1 represented

🇷🇴Romania×48

Top 3

🥇
Radu Stefan Chiazna
🇷🇴ROU·1453
5.5pts·1816perf+70.0
🥈
Ioan-Casian Mazilu
🇷🇴ROU·1435
5.5pts·1748perf+47.2
🥉
Alexandru-Petrut Stanciu
🇷🇴ROU·1472
5.0pts·1726perf+36.4

How it unfolded

Top 6 · 6 rounds

Tight race until R5; 2 players tied at 5.5/6, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders

Chiazna5.5Mazilu5.5Stanciu5Ramureanu5Jitianu4.5Stanciu4.5

R5–R6 · LEAD HELD

Radu Stefan Chiazna held the sole lead from R5 through R6 without losing it.

R6 · TIEBREAK CLUSTER

2 players finish on 5.5/6. Chiazna takes the title on Buchholz Cut1 (22.0).

WIN STREAKS · 2 top finishers

Radu Stefan Chiazna 5 wins (R1–R5)Ioan-Casian Mazilu 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Radu Stefan Chiazna	*	—	½	1
2Ioan-Casian Mazilu	—	*	—	—
3Alexandru-Petrut Stanciu	½	—	*	—
4Ioan-Vladimir Ramureanu	0	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Chiazna, Radu Stefan	1453	ROU	+42N	+19B	+4N	+5B	+8B	=3N	5.5	22.0	24.0	21.50	1816	+70.0
2	Mazilu, Ioan-Casian	1435	ROU	+31B	+10N	=9B	+6N	+18B	+8N	5.5	20.0	23.0	21.00	1748	+47.2
3	Stanciu, Alexandru-Petrut	1472	ROU	+50B	+26N	=18B	+7N	+11N	=1B	5.0	20.5	22.0	17.50	1726	+36.4
4	Ramureanu, Ioan-Vladimir	1488	ROU	+41B	+22N	−1B	+26N	+32B	+13N	5.0	19.0	21.0	15.50	1592	+17.2
5	Jitianu, Nicolae-Ovidiu	1495	ROU	+34B	+27N	=7B	−1N	+37B	+24N	4.5	19.5	22.0	14.25	1588	+26.8
6	Stanciu, Darius-Matei	1498	ROU	=25N	+53B	+20N	−2B	+19N	+12B	4.5	19.5	19.5	12.50	1548	+8.0
7	Gavrila, David-Mihai	1458	ROU	+46N	+43B	=5N	−3B	+25N	+23B	4.5	18.0	20.0	12.75	1473	+3.2
8	Bratu, Agnes-Andreea	1491	ROU	+29N	+16B	+28N	+11B	−1N	−2B	4.0	22.0	25.0	14.00	1450	-4.4
9	Vidan, Rares	1467	ROU	+17N	+32B	=2N	=25B	−12N	+20B	4.0	20.0	23.0	14.75	1423	-6.4
10	Dascalu, Cristian-George	0	ROU	+21N	−2B	+?N	+16B	−13N	+28B	4.0	20.0	20.0	10.50	1473	0.0
11	Burtumac, Maia	1488	ROU	+45N	+38B	+13N	−8N	−3B	+32B	4.0	18.5	20.5	11.50	1344	-20.4
12	Zaharia, Sofia-Ana	1422	ROU	+49B	−18N	+36B	+35N	+9B	−6N	4.0	18.0	20.0	12.00	1477	+7.2
13	Alecu, Daniel	1456	ROU	+44B	+35N	−11B	+47N	+10B	−4B	4.0	18.0	20.0	11.00	679	-38.4
14	Doncu Petcu, Adriana Aylin	1476	ROU	−19N	+42B	+29N	−20B	+45N	+30B	4.0	15.0	17.0	10.00	623	-24.4
15	Mustatea, Ciprian	1479	ROU	+30N	−20B	−43N	+46B	+34N	+25B	4.0	14.5	16.5	11.00	623	-22.0
16	Banica, Eric-Mihai	1413	ROU	+?B	−8N	+44B	−10N	+33B	+?N	4.0	13.0	13.0	5.00	672	0.0
17	Popescu, Alexandru-Mihail	0	ROU	−9B	+?N	−26B	+?N	+35B	+37N	4.0	12.5	12.5	5.50	1448	0.0
18	Tirlea, Cristian-Daniel	0	ROU	F	+12B	=3N	+23B	−2N	+21B	3.5	21.5	21.5	13.50	1489	0.0
19	Ispas, Darius-Andrei	0	ROU	+14B	−1N	+22B	=27N	−6B	+47N	3.5	20.5	22.5	11.00	1477	0.0
20	Dinicescu, Ion	0	ROU	+51B	+15N	−6B	+14N	=24B	−9N	3.5	20.0	21.0	10.75	1470	+12.8
21	Balan, Viorel Andrei	1488	ROU	−10B	+31N	+34B	=38N	+27B	−18N	3.5	16.5	19.0	10.25	2244	+18.4
22	Catrina, Petre-Gabriel	0	ROU	+40N	−4B	−19N	+42B	=29N	+38B	3.5	16.5	18.5	8.50	686	-21.2
23	Tesuica, Eduard-George	1477	ROU	=39B	+52N	+33B	−18N	+38B	−7N	3.5	16.0	17.0	7.75	654	-20.0
24	Vorovenci, Vladimir-Stefan	1428	ROU	−33N	+48B	+41N	+43B	=20N	−5B	3.5	15.0	17.0	7.75	1262	-17.2
25	Teodorescu, Sorin-Mihai	0	ROU	=6B	+39N	+37B	=9N	−7B	−15N	3.0	19.5	22.0	9.25	1389	0.0
26	Stoica, Beatrice Karina	0	ROU	+?N	−3B	+17N	−4B	−30N	+46B	3.0	19.0	19.0	6.00	680	0.0
27	Beldiman, Matei-Ioan	1421	ROU	+54N	−5B	+30N	=19B	−21N	=29B	3.0	17.5	17.5	6.25	679	-36.0
28	Ivascu, George-Sorin	1461	ROU	+36B	+47N	−8B	−32N	+31B	−10N	3.0	17.0	19.0	8.00	672	-9.8
29	Matei, Octavian	0	ROU	−8B	+?N	−14B	+44N	=22B	=27N	3.0	16.5	16.5	5.25	1289	0.0
30	Tudosescu, Maria-Teodora	0	ROU	−15B	+51N	−27B	+49N	+26B	−14N	3.0	16.0	17.0	6.00	670	0.0
31	Osiac-Nedelea, Filip	0	ROU	−2N	−21B	+?N	+41B	−28N	+45B	3.0	16.0	16.0	4.00	655	0.0
32	Ioan, Nicolae	0	ROU	+?B	−9N	+?B	+28B	−4N	−11N	3.0	16.0	16.0	3.00	1277	0.0
33	Ion, Maria-Ines	0	ROU	+24B	=37N	−23N	=?B	−16N	+41B	3.0	15.5	15.5	6.75	1440	0.0
34	Pircan, Andrei-Alexandru	0	ROU	−5N	+54B	−21N	+?B	−15B	+48N	3.0	14.0	14.0	2.00	673	0.0
35	Dochia, Eric-Andrei-Matei	0	ROU	+?N	−13B	+?N	−12B	−17N	+42B	3.0	14.0	14.0	2.00	637	0.0
36	Ivascu, Ilinca	0	ROU	−28N	+?B	−12N	+?B	−39N	+43B	3.0	11.5	11.5	2.00	637	0.0
37	Osiac-Nedelea, David	1436	ROU	+48N	=33B	−25N	+39B	−5N	−17B	2.5	17.0	19.0	6.00	687	-17.2
38	Ramureanu, Maria-Ioana	0	ROU	+?B	−11N	+52B	=21B	−23N	−22N	2.5	15.5	15.5	2.75	1154	0.0
39	Buteica, Tudor-Stefan	0	ROU	=23N	−25B	+53N	−37N	+36B	−?B	2.5	12.0	12.0	4.75	1171	0.0
40	FIDE 529017572	0	—	−22B	−41N	=50B	−?N	+53N	+?B	2.5	7.0	7.0	0.75	704	0.0
41	Lupu, Albert-Andrei	0	ROU	−4N	+40B	−24B	−31N	+49B	−33N	2.0	17.0	19.0	4.50	657	0.0
42	Ciocanea, Mihai	0	ROU	−1B	−14N	+51B	−22N	+?B	−35N	2.0	17.0	17.0	1.00	681	0.0
43	Constantin, David-Stefan	0	ROU	+?B	−7N	+15B	−24N	−?B	−36N	2.0	15.0	15.0	4.00	1322	0.0
44	Netoiu, Eduard-Gabriel	0	ROU	−13N	+?B	−16N	−29B	−?N	+50N	2.0	12.5	12.5	1.50	662	0.0
45	Almajanu, Sofia-Maria	0	ROU	−11B	−?N	+54B	+52N	−14B	−31N	2.0	12.0	12.0	1.00	689	0.0
46	FIDE 42251044	0	—	−7B	−?N	+?B	−15N	+?B	−26N	2.0	11.5	11.5	0.00	658	0.0
47	Stan, Delia-Andreea	0	ROU	+?N	−28B	+?N	−13B	F	−19B	2.0	10.5	10.5	0.00	662	0.0
48	Popescu, Ema-Natalia	0	ROU	−37B	−24N	−?B	+51N	+?B	−34B	2.0	10.0	10.0	1.00	632	0.0
49	FIDE 42249287	0	—	−12N	−?B	+?N	−30B	−41N	+51B	2.0	10.0	10.0	1.00	626	0.0
50	Patru, Nadia-Andreea	0	ROU	−3N	−?B	=40N	+53B	−?N	−44B	1.5	9.5	9.5	1.25	657	0.0
51	FIDE 42250439	0	—	−20N	−30B	−42N	−48B	+52B	−49N	1.0	12.5	13.5	1.00	623	0.0
52	Petcu, Natalia-Mihaela	0	ROU	+?N	−23B	−38N	−45B	−51N	−?N	1.0	9.0	9.0	0.00	1448	0.0
53	FIDE 42239958	0	—	F	−6N	−39B	−50N	−40B	−?N	0.0	11.0	11.0	0.00	695	0.0
54	FIDE 42250110	0	—	−27B	−34N	−45N	−?B	−?B	F	0.0	8.0	8.0	0.00	644	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Chiazna, Radu StefanROU
+70.0
5.5 pts · #2
2Mazilu, Ioan-CasianROU
+47.2
5.5 pts · #8
3Stanciu, Alexandru-PetrutROU
+36.4
5.0 pts · #7

Top rating losers

1Alecu, DanielROU
-38.4
4.0 pts · #49
2Beldiman, Matei-IoanROU
-36.0
3.0 pts · #29
3Doncu Petcu, Adriana AylinROU
-24.4
4.0 pts · #31