CChessStats

Chess tournament for kids CUP SOFIA, Under the aegis of BSCF

Open SwissStandard

18 players participated in this 7-round tournament, held from 24 May 2025 to 25 May 2025 in Sofia, Bulgaria. Top 10 Elo average was 906, and top seed was Nikola N. Chalakov (🇧🇬 BUL, 1590).

Tsvetan Danev (🇧🇬 BUL, 1474) won with 5.5/7, ahead of Georgi S Stefanov (5.5) and Atanas Mirchev (5.0). Danev shared the lead from round 4, winning on tie-break.

Location
🇧🇬Sofia, Bulgaria
Dates
24 May 2025 → 25 May 2025
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇧🇬Nikola N. Chalakov1590
Avg top 10
906
Participants
18
Federations · 1 represented
🇧🇬Bulgaria×16
Top 3

How it unfolded

Top 6 · 7 rounds

Tight race until R5; 2 players tied at 5.5/7, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders
9
4
1
2
1
1
2
23.55.57R1R2R3R4R5R6R7Danev takes lead
Danev5.5Stefanov5.5Mirchev5Petkov5Iliev4.5Dokov4.5— ex-leaders:Dokovled R3, #8
R5 · LEADER CHANGE25 May

Tsvetan Danev takes the sole lead (4.5/5).

R7 · TIEBREAK CLUSTER

2 players finish on 5.5/7. Danev takes the title on Buchholz Cut1 (28.0).

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Tsvetan Danev lost to Georgi S Stefanov (Black).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Danev, Tsvetan1474BUL+16B+9N=5B+6B+3N+4B2N5.528.030.522.751515+4.8
2Stefanov, Georgi S1507BUL+13N=3B4N+9B+15N+5B+1B5.526.529.021.501494-2.4
3Mirchev, Atanas0BUL+7B=2N+14B+5N1B+11N=6B5.027.030.019.5015090.0
4Petkov, Velizar1515BUL+12B5N+2B+17N+11B1N+15B5.024.026.016.001630+18.4
5Iliev, Iliya Iliev0BUL+8N+4B=1N3B+6N2N+10B4.529.533.019.7515430.0
6Dokov, David0BUL+?B+?N+11B1N5B+12N=3N4.521.021.08.5015000.0
7Kotsev, Momchil1442BUL3N+10B13N+16B=9N=8B+12N4.022.024.512.751589+8.0
8Chalakov, Nikola N.1590BUL5B+18N9B+14N=12B=7N+11B4.021.023.011.501677+8.4
9Statkov, Kaloyan0BUL+?B1B+8N2N=7B15N+?B3.521.521.56.0014180.0
10Petrov, Vladimir M.0BUL=18B7N+?B12N+?B+13B5N3.516.516.54.006410.0
11Mladenov, Bozhidar1527BUL+17N+14B6N+13B4N3B8N3.024.526.58.00752-37.2
12Kirilov, Boris0BUL4N+?B=15N+10B=8N6B7B3.023.523.56.7512420.0
13Kotsev, Kalin0BUL2B+?N+7B11N+17B10N14B3.021.021.06.0013700.0
14Choranov, Borislav0BUL+15B11N3N8BF+17B+13N3.019.519.57.507580.0
15Shapkov, Boris0BUL14NF=12B+18N2B+9B4N2.522.022.07.007150.0
16Lesov, Mihail0BUL1N17BF7N+18B=?N+?N2.513.513.52.006570.0
17FIDE 2961571011B+16N+?B4B13N14NF2.016.516.52.507210.0
18FIDE 29694160=10N8B=?N15B16NF+?B2.012.512.51.757890.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers