CChessStats

Ilfov County Chess Championship 2026 - U10

Open SwissStandard

24 players participated in this 6-round tournament, held from 07 Mar 2026 to 08 Mar 2026 in Otopeni, Romania. Top 10 Elo average was 1584, and top seed was Daniel Sava (🇷🇴 ROU, 1689).

David-Andrei Calotescu (🇷🇴 ROU, 1653) won with 5.0/6, ahead of Maria Apostoaiei (5.0) and Daniel Sava (4.5). Calotescu won on tie-break after catching the field in the final round.

The biggest upset came in round 1: Maria Apostoaiei (1463) beat Daniel Sava (1689), a +226-point gap.

Location
🇷🇴Otopeni, Romania
Dates
07 Mar 2026 → 08 Mar 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇷🇴Daniel Sava1689
Avg top 10
1,584
Participants
24
Federations · 1 represented
🇷🇴Romania×22
Top 3

How it unfolded

Top 6 · 6 rounds

Tight race until R5; 2 players tied at 5.0/6, decided on Buchholz.

Co-leaders
11
5
3
1
1
2
1.534.56R1R2R3R4R5R6Apostoaiei takes lead
Apostoaiei5Calotescu5Sava4.5Buteica4.5Dumitru4.5Momirleanu4
R5 · LEADER CHANGE08 Mar

Maria Apostoaiei takes the sole lead (4.5/5).

R6 · TIEBREAK CLUSTER

2 players finish on 5.0/6. Calotescu takes the title on Buchholz Cut1 (20.5).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Maria Apostoaiei drew with David-Andrei Calotescu (White).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Maria Apostoaiei*
½
1
—
2David-Andrei Calotescu
½
*—
1
3Daniel Sava
0
—*
½
4Tudor-Stefan Buteica—
0
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Calotescu, David-Andrei1653ROU+10B+4N+11B=2N=8B+6N5.020.523.519.251774+24.0
2Apostoaiei, Maria1463ROU+3B+15N+13B=1B+6N=5B5.020.522.517.751853+112.0
3Sava, Daniel1689ROU−2N+14B=4N+7B+10N+11B4.520.022.515.251644-9.2
4Buteica, Tudor-Stefan1486ROU+24N−1B=3B+13N+12N+8B4.518.518.511.251731+65.2
5Dumitru, Miruna-Ioana1495ROU+23B−8N+16B+17N+9B=2N4.516.016.010.001604+31.2
6Momirleanu, Mihai-Vlad1546ROU+16B+7N+8B+15N−2B−1B4.019.521.511.501580+9.2
7Matala, Sophia-Lenina1449ROU+9B−6B+12N−3N+15B+16N4.017.019.010.501664+58.8
8Mocanu, Amalia-Ioana1416ROU+22N+5B−6N+11B=1N−4N3.521.021.510.501597+56.4
9Tanasa, Vlad1634ROU−7N+19B=10N+14B−5N+13B3.517.018.07.751432-44.4
10Apostoaiei, Magdalena1460ROU−1N+24B=9B+19N−3B+14N3.516.516.55.251385-27.6
11Puscasu, Iosif-Calin1476ROU+21B+12B−1N−8N+18B−3N3.018.018.55.501386-20.0
12Deaconu, Raul-Alexandru-Adrian1552ROU+18B−11N−7B+21N−4B+15N3.015.516.04.501295-54.4
13Haidau, Tudor-Andrei1595ROU=14N+20B−2N−4B+22N−9N2.516.517.02.751360-49.2
14Balint, Ionut-Cezar0ROU=13B−3N+22B−9N+21N−10B2.514.515.02.2514730.0
15Popa-Cirlig, Petru1548ROU+19N−2B+20N−6B−7N−12B2.017.018.02.00706-87.2
16Balaban-Grajdan, Mihail0ROU−6N+22B−5NF+17B−7B2.015.516.02.5014390.0
17Ardeleanu, Carina1510ROU−20N+23B+18N−5B−16NF2.09.59.52.00656-22.4
18Apostoaiei, Malvina0ROU−12N+21B−17BF−11N+19B2.09.59.51.507110.0
19Ionescu, Ilinca0ROU−15B−9N+23N−10BF−18N1.011.011.00.007850.0
20Anton, Anne-Maria0ROU+17B−13N−15BFFF1.08.58.52.0014180.0
21Stanciu, Edward-Florin-Cristian0ROU−11N−18NF−12B−14B=22N0.511.011.00.2512760.0
22Pasca, Tudor-Petru1613ROU−8B−16N−14NF−13B=21B0.511.011.00.25709-50.4
23FIDE 5290175720—−5N−17N−19BFFF0.09.59.50.006770.0
24FIDE 422497670—−4B−10NFFFF0.08.08.00.007350.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets