CChessStats

SEM 2025 Title Tournament Open

Round-RobinStandard

10 players participated in this 9-round tournament, held from 12 Jul 2025 to 20 Jul 2025 in Disentis, Switzerland. 10 titled players. Top 10 Elo average was 2391, and top seed was Sebastian Bogner (🇨🇭 SUI, GM, 2543).

Sebastian Bogner (🇨🇭 SUI, GM, 2543) won with 7.0/9, ahead of Li Min Peng (6.5) and Teimur Toktomushev (6.0). Bogner clinched sole first place in the final round.

The biggest upset came in round 9: Teimur Toktomushev (IM, 2401) beat Li Min Peng (GM, 2509), a +108-point gap.

Location
🇨🇭Disentis, Switzerland
Dates
12 Jul 2025 → 20 Jul 2025
Time control
Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1
System
Round-robin · 9 rounds
Top seed
🇨🇭GMSebastian Bogner2543
Avg top 10
2,391
Participants
10
Titled players · 10
GM×3
IM×4
FM×3
Federations · 1 represented
🇨🇭Switzerland×10
Top 3

How it unfolded

Top 10 · 9 rounds

GM Sebastian Bogner led from R2 onwards, the runner-up race stayed tight.

Co-leaders
2
1
1
2
2
1
2
1
1
#1#2#5#10R1R2R3R4R5R6R7R8R9Peng takes leadBogner takes lead
R8 · LEADER CHANGE19 Jul

GM Li Min Peng takes the sole lead (6.5/8).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

GM Sebastian Bogner drew with GM Li Min Peng (Black).

WIN STREAKS · 3 top finishers

GM Sebastian Bogner 3 wins (R1–R3)GM Li Min Peng 3 wins (R2–R4)IM Teimur Toktomushev 3 wins (R7–R9)

Cross-table

#PlayerElo12345678910PtsSBBhΔ EloPerf
1🇨🇭GMBogner, Sebastian2543*½1½11½½117.028.7538.0+5.42594
2🇨🇭GMPeng, Li Min2509½*01½½11116.524.2538.5+4.52543
3🇨🇭IMToktomushev, Teimur240101*½0½11116.022.0039.0+13.42514
4🇨🇭FMFecker, Noah2347½0½*1½1½½15.521.2539.5+15.82475
5🇨🇭IMKurmann, Oliver24170½10*1½½½15.019.5040.0+1.42431
6🇨🇭IMFischer, Daniel23610½½½0*11½½4.517.5040.5+4.02394
7🇨🇭GMGallagher, Joseph G.2400½000½0*1½13.511.5041.5-11.32309
8🇨🇭FMGantner, Matthias2271½00½½00*½13.011.2542.0+1.22279
9🇨🇭IMGaehwiler, Gabriel2380000½½½½½*½3.011.2542.0-13.72267
10🇨🇭FMMattenberger, Matthias227600000½00½*1.03.7544.0-40.22052

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets