- classical
- 2341
- rapid
- 2233
- blitz
- 2236
Openings
Download PGN (16)As White6 games · +1 =0 −5
- Sicilian Defense3 · 0%
- Caro-Kann Defense1 · 100%
- Philidor Defense1 · 0%
- Scandinavian Defense1 · 0%
As Black10 games · +1 =2 −7
- Sicilian Defense5 · 20%
- King's Indian Defense2 · 0%
- Ruy Lopez1 · 0%
- King's Indian Attack1 · 100%
16 stored games (Lichess broadcasts since 2023 and FIDE reports): +2 =2 −12 (19%). Score is from Siem's side.
Events
Dutch Meesterklasse 2026-2027Netherlands · 2026-09-19#331½/3Grand Prix PlusCityOpen Austrian Championship · Rapid Team · 2026-05-110/1Grand Prix PlusCityOpen Austrian Championship · Blitz · 2026-05-110/2Grand Prix PlusCityOpen Austrian Championship · Rapid · 2026-05-110/2Dutch Meesterklasse 2025/262025-09-190/1Grenke Chess Festival 2026Grenke Open A · 2026-03-02½/2Hoogeveen Open 20232023-10-21½/2Hit Open 20232023-03-190/1European Chess Championship 20232023-03-030/2Dutch Meesterklasse 2024-20252024-09-211/2
Games (16)
IMArthur De Winter2435Dutch Meesterklasse 2024-2025 · Round 20GMThomas Beerdsen2508Dutch Meesterklasse 2024-2025 · Round 31FMJan Breukelman2403Dutch Meesterklasse 2026-2027 · Round 11GMDanilo Milanovic2439Grand Prix PlusCity · Open Austrian Championship · Rapid Team · Round 50GMDenis Kadric2497Grand Prix PlusCity · Open Austrian Championship · Blitz · Round 90GMJaime Santos Latasa2600Grand Prix PlusCity · Open Austrian Championship · Blitz · Round 20GMCristobal Henriquez Villagra2605Grand Prix PlusCity · Open Austrian Championship · Rapid · Round 50GMJan Subelj2536Grand Prix PlusCity · Open Austrian Championship · Rapid · Round 30GMLiam Vrolijk2529Dutch Meesterklasse 2025/26 · Round 90GMZeng Chongsheng2546Grenke Chess Festival 2026 · Grenke Open A · Round 60GMThomas Beerdsen2524Grenke Chess Festival 2026 · Grenke Open A · Round 5½FMArthur De Winter2397Hoogeveen Open 2023 · Round 6½GMLorenzo Lodici2537Hoogeveen Open 2023 · Round 30GMSabino Brunello2512Hit Open 2023 · Round 40IMKhazar Babazada2481European Chess Championship 2023 · Round 100GMMaxim Rodshtein2622European Chess Championship 2023 · Round 10