XXVIII. Caissa-B

Open SwissStandard

45 players participated in this 9-round tournament, held from 21 Aug 2025 to 29 Aug 2025 in Miercurea Ciuc, Romania. 1 titled players from 4 federations. Top 10 Elo average was 1917, and top seed was Sorin Levay (🇷🇴 ROU, FM, 1993).

Iuri Tatarciuc (🇲🇩 MDA, 1935) won with 7.0/9, ahead of Matei Mocanita (7.0) and David Donici-Maier (7.0). Tatarciuc won on tie-break after catching the field in the final round.

The biggest upset came in round 1: Peter Lestyan (1538) beat Eduard-Andrei Panaite (1873), a +335-point gap.

Location

🇷🇴Miercurea Ciuc, Romania

Dates

21 Aug 2025 → 29 Aug 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇷🇴FMSorin Levay1993

Avg top 10

1,917

Participants

Titled players · 1

FM×1

Federations · 4 represented

🇷🇴Romania×36

🇲🇩Moldova×2

🇩🇪Germany×2

🇦🇺Australia×1

Top 3

🥇
Iuri Tatarciuc
🇲🇩MDA·1935
7.0pts·2054perf+26.2
🥈
Matei Mocanita
🇷🇴ROU·1825
7.0pts·2037perf+98.0
🥉
David Donici-Maier
🇷🇴ROU·1975
7.0pts·2035perf+24.7

How it unfolded

Top 6 · 9 rounds

Tight race until R6; 3 players tied at 7.0/9, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 3 at the finish.

Co-leaders

Mocanita7Tatarciuc7Donici-Maier7Bartha6.5Guriencu6Pozna Tokos6

R8 · LEADER CHANGE28 Aug

David Donici-Maier takes the sole lead (6.5/8).

R9 · TIEBREAK CLUSTER

3 players finish on 7.0/9. Tatarciuc takes the title on Buchholz Cut1 (48.0).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Matei Mocanita beat Iuri Tatarciuc (White).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Matei Mocanita	*	1	0	—
2Iuri Tatarciuc	0	*	—	1
3David Donici-Maier	1	—	*	½
4Andrei Bartha	—	0	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Tatarciuc, Iuri	1935	MDA	+8N	+9B	−2N	+4B	+7N	=14N	+19B	=6B	+5N	7.0	48.0	52.5	40.00	2054	+26.2
2	Mocanita, Matei	1825	ROU	+39B	+13N	+1B	+20N	=14B	+19N	=5B	−3N	+11N	7.0	45.0	48.0	35.50	2037	+98.0
3	Donici-Maier, David	1975	ROU	+29B	=20N	+5B	−19N	+11B	+15N	+14B	+2B	=4N	7.0	44.0	48.0	38.00	2035	+24.7
4	Bartha, Andrei	1792	ROU	+31N	−6B	+30N	−1N	+24B	+7B	+22N	+10N	=3B	6.5	44.5	48.0	31.50	1951	+39.8
5	Miron, Dimitrie	1884	ROU	+34N	+25B	−3N	=22B	+9N	+23B	=2N	+14N	−1B	6.0	45.0	48.5	28.75	1922	+12.0
6	Mohonea, Alexandru	1907	ROU	+21B	+4N	+12B	−14N	−19B	+32N	+16B	=1N	=8B	6.0	44.0	47.5	31.50	1912	+9.2
7	Pozna Tokos, Bence	1881	ROU	+27B	+11N	−14B	+21N	−1B	−4N	+25B	+28N	+16B	6.0	42.5	46.5	28.00	1871	+1.1
8	Guriencu, Gabriel-Alexandru	1677	ROU	−1B	−32N	+38B	+39N	+35B	=10N	+29B	+19N	=6N	6.0	37.5	40.5	24.25	1799	+58.8
9	Kiss, Hanna	1752	ROU	+38B	−1N	+37B	=12N	−5B	+13N	−10B	+24N	+20B	5.5	42.0	45.5	24.25	1831	+43.2
10	Panaite, Eduard-Andrei	1873	ROU	−25N	+17B	+33N	+28B	−23N	=8B	+9N	−4B	+21N	5.5	40.5	44.0	25.50	1755	-46.0
11	Nagy, David-Ervin	1734	ROU	+45N	−7B	+34N	=23B	−3N	+40N	+20B	+21N	−2B	5.5	40.0	40.5	18.25	1790	+27.2
12	Velcherean, Vasile-Adrian	1889	ROU	+30N	+22B	−6N	=9B	−15N	+24N	=21B	=26B	+19N	5.5	39.0	43.0	24.75	1818	-14.2
13	Blaga, Mate	1718	ROU	+43N	−2B	=25N	+31B	−16N	−9B	+34N	+30B	+26N	5.5	37.5	38.5	18.75	1720	+3.6
14	Levay, SorinFM	1993	ROU	+28N	+26B	+7N	+6B	=2N	=1B	−3N	−5B	F	5.0	48.0	52.0	27.50	1953	-7.4
15	Huber, Stefan	1814	GER	=35B	+18N	−19B	+27N	+12B	−3B	=23N	−16N	+22B	5.0	40.5	44.0	23.50	1806	-0.6
16	Jugaru, Lucian	1909	ROU	+33N	=24B	F	+35N	+13B	=22B	−6N	+15B	−7N	5.0	38.5	38.5	22.00	1835	-13.0
17	Pasat, Rares-Stefan	1495	ROU	−20B	−10N	+36B	+37N	−21B	−29N	+42B	+32N	+28B	5.0	33.0	35.0	16.50	1610	+31.2
18	Kiss, Abigel	1675	ROU	+44N	−15B	=31N	−24B	+27N	=33B	−26N	+36B	+29B	5.0	33.0	34.0	16.50	1699	+14.4
19	Cernencu, George-Ciprian	1777	ROU	+40N	=23B	+15N	+3B	+6N	−2B	−1N	−8B	−12B	4.5	48.0	51.0	23.25	1816	+16.4
20	Juncu, Nicolae	1820	ROU	+17N	=3B	+24N	−2B	−22N	+34B	−11N	+33B	−9N	4.5	42.5	46.0	20.00	1715	-23.4
21	Grigore, Ioana-Catalina	1618	ROU	−6N	+40B	+26N	−7B	+17N	+28B	=12N	−11B	−10B	4.5	42.0	45.0	19.25	1743	+65.2
22	Rusu, Anastasia	1706	ROU	+42B	−12N	+32B	=5N	+20B	=16N	−4B	=23B	−15N	4.5	40.5	42.5	17.75	1765	+22.8
23	Voegerl, Ronald	1889	GER	+37B	=19N	=35B	=11N	+10B	−5N	=15B	=22N	F	4.5	39.5	43.0	20.50	1768	-21.0
24	Dirmon-Diaconu, David-Marian	1730	ROU	+36B	=16N	−20B	+18N	−4N	−12B	+31N	−9B	+33N	4.5	39.0	42.5	18.00	1702	-12.0
25	Lestyan, Peter	1538	ROU	+10B	−5N	=13B	=26N	−28N	+30B	−7N	=31B	+39N	4.5	39.0	42.0	19.25	1708	+72.4
26	Voda, Costel	1779	ROU	+32B	−14N	−21B	=25B	=31N	+35N	+18B	=12N	−13B	4.5	37.0	40.5	18.75	1649	-28.0
27	Fodor, Eric-Matei	1544	ROU	−7N	=44B	+41N	−15B	−18B	−36N	+45N	+34B	+31N	4.5	29.5	30.0	10.00	1662	+28.4
28	Stoica, Melina-Theodora	1699	ROU	−14B	+39N	+43B	−10N	+25B	−21N	+32B	−7B	−17N	4.0	37.0	38.0	12.00	1582	-46.0
29	Ghinea, Constantin	1685	ROU	−3N	−31B	+44N	−34B	+39N	+17B	−8N	+38B	−18N	4.0	36.5	37.5	12.50	1589	-22.6
30	Balla, Norbert	1571	ROU	−12B	+36N	−4B	+43N	−32B	−25N	+35B	−13N	+40B	4.0	35.5	36.5	11.00	1461	-45.2
31	Farkas, Jozsef	1484	ROU	−4B	+29N	=18B	−13N	=26B	+37N	−24B	=25N	−27B	3.5	39.0	42.5	14.50	1581	+39.2
32	Mohonea, Maria	1479	ROU	−26N	+8B	−22N	+33B	+30N	−6B	−28N	−17B	=38N	3.5	37.5	41.0	15.25	1570	+37.6
33	Donici-Maier, Luca	1648	ROU	−16B	+38N	−10B	−32N	+36B	=18N	+40B	−20N	−24B	3.5	35.0	38.0	12.50	1524	-35.1
34	Zadacencu, Sergiu	1554	ROU	−5B	+42N	−11B	+29N	=40B	−20N	−13B	−27N	+41B	3.5	35.0	37.0	9.50	1459	-35.2
35	Hiznicenco, Valeria	1493	MDA	=15N	+41B	=23N	−16B	−8N	−26B	−30N	=40N	+45B	3.5	34.0	34.5	8.75	1493	-7.2
36	Craita, Miruna-Gabriela	0	ROU	−24N	−30B	−17N	+45B	−33N	+27B	+43B	−18N	=37B	3.5	31.0	31.5	7.75	1365	0.0
37	Antal, Arpad	1566	ROU	−23N	+45B	−9N	−17B	+42N	−31B	=38N	=39B	=36N	3.5	30.5	31.0	7.50	1318	-56.4
38	Pazsint, Botond	1413	ROU	−9N	−33B	−8N	=44B	+43B	+41N	=37B	−29N	=32B	3.5	29.0	30.0	7.00	1420	-2.0
39	Buciu, Alex	1501	AUS	−2N	−28B	+45N	−8B	−29B	=43N	+41B	=37N	−25B	3.0	32.0	32.5	4.75	1249	-55.2
40	Ion, Gianina-Andreea	1437	ROU	−19B	−21N	+42B	+41N	=34N	−11B	−33N	=35B	−30N	3.0	31.0	33.0	7.50	1318	-34.4
41	FIDE 13920103	0	—	F	−35N	−27B	−40B	+45N	−38B	−39N	+42B	−34N	2.0	23.5	23.5	2.50	691	0.0
42	FIDE 42256933	0	—	−22N	−34B	−40N	F	−37B	+45B	−17N	−41N	+43B	2.0	23.0	23.0	1.50	742	0.0
43	FIDE 42230969	0	—	−13B	F	−28N	−30B	−38N	=39B	−36N	=45B	−42N	1.0	26.0	26.0	1.75	1210	0.0
44	Hasznosi, Lorand	1912	ROU	−18B	=27N	−29B	=38N	F	F	F	F	F	1.0	17.0	17.0	4.00	1408	-48.4
45	FIDE 42230950	0	—	−11B	−37N	−39B	−36N	−41B	−42N	−27B	=43N	−35N	0.5	27.5	28.5	0.50	755	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Mocanita, MateiROU
+98.0
7.0 pts · #1
2Lestyan, PeterROU
+72.4
4.5 pts · #17
3Grigore, Ioana-CatalinaROU
+65.2
4.5 pts · #20

Top rating losers

1Antal, ArpadROU
-56.4
3.5 pts · #38
2Buciu, AlexAUS
-55.2
3.0 pts · #42
3Hasznosi, LorandROU
-48.4
1.0 pts · #39

Biggest upsets

R1+335 Elo gap
Lestyan, Peter1538 beat Panaite, Eduard-Andrei1873
R1+237 Elo gap
Kiss, Abigel1675 beat Hasznosi, Lorand1912
R3+227 Elo gap
Ghinea, Constantin1685 beat Hasznosi, Lorand1912