CChessStats

International chess tournamment for kids"Shumen 2025", Chess Autumn U10, under the aegis of BSCF

Open SwissStandard

16 players participated in this 6-round tournament, held from 04 Oct 2025 to 05 Oct 2025 in Shumen, Bulgaria. 2 federations represented. Top 10 Elo average was 899, and top seed was Daniel Tokmachov (🇺🇸 USA, 1616).

Ivona Ruseva (🇧🇬 BUL, 1402) won with 5.5/6, ahead of Dobromir Totev (5.0) and Tsvetan Danev (4.5). Ruseva shared the lead from round 5 and broke clear in the final round.

The biggest upset came in round 6: Ivona Ruseva (1402) beat Tsvetan Danev (1591), a +189-point gap.

Location
🇧🇬Shumen, Bulgaria
Dates
04 Oct 2025 → 05 Oct 2025
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇺🇸Daniel Tokmachov1616
Avg top 10
899
Participants
16
Federations · 2 represented
🇧🇬Bulgaria×10
🇺🇸United States of America×1
Top 3

How it unfolded

Top 6 · 6 rounds

Ivona Ruseva led from R6; +0.5-point edge over the runner-up.

Co-leaders
8
4
2
1
2
1
1.534.56R1R2R3R4R5R6Ruseva takes lead
R6 · LEADER CHANGE05 Oct

Ivona Ruseva takes the sole lead (5.5/6).

WIN STREAKS · 3 top finishers

Ivona Ruseva 4 wins (R3–R6)Dobromir Totev 3 wins (R4–R6)Tsvetan Danev 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Ivona Ruseva*
1
½
2Dobromir Totev*
1
3Tsvetan Danev
0
*
½
4Daniel Tokmachov
½
0
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Ruseva, Ivona1402BUL+8N=4B+10N+9B+6N+3N5.518.521.519.501884+87.2
2Totev, Dobromir0BUL+?B+16N6N+5B+8N+4B5.015.015.011.5016060.0
3Danev, Tsvetan1591BUL+15N+10B+9N+6B=4N1B4.519.020.012.501604+5.6
4Tokmachov, Daniel1616USA+16B=1N+7B+11N=3B2N4.020.520.510.501626+0.8
5Racheva, Mihaela0BUL7B+?N+13B2N+11B+9B4.014.514.56.007050.0
6Dragiev, Teodor1525BUL+12B+13N+2B3N1B=7N3.520.521.59.751228-54.8
7Hristov, Georgi1450BUL+5N9B4N+12B+10N=6B3.517.519.510.751538+5.6
8FIDE 297608001B+12N=?B+14N2B+15N3.514.514.54.006200.0
9Borisov, Samuil0BUL+14B+7N3B1N+?B5N3.018.518.54.5013760.0
10Piseva, Marina1402BUL+11B3N1B+13N7B+14N3.016.517.54.00701-44.4
11FIDE 2968380010N+15B+14N4B5N12B2.014.015.02.007110.0
12Petrova, Viktoriya0BUL6N8BF7N+13B+11N2.013.513.53.007490.0
13Velkov, Yavor0BULF6B5N10B12N+16B1.012.512.50.006980.0
14FIDE 297375809NF11B8B+16N10B1.011.511.50.006030.0
15FIDE 297436303B11N+16B?NF8B1.010.010.00.007770.0
16FIDE 297607204N2B15NF14B13N0.012.012.00.008190.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets