GMThomas Beerdsen
NED · FIDE ID 1030108 · 646 tournament games since 2019
Standard
2514
#16 in NED (active)
Rapid
2505
#15 in NED (active)
Blitz
2559
#10 in NED (active)
Score
69%
350 W · 192 D · 104 L
Opp. avg
2303
Last 50 games
Last game
2026-09-19
Dutch Meesterklasse 2026-2027
Prep summary
- As White: 1.e4 in 92% of games (scores 71%).
- Against 1.e4: 1...c5 in 61 of 129 games (Sicilian Defense), scoring 60%.
- Against 1.d4: 1...d5 in 74 of 127 games (Queen's Pawn Game), scoring 70%.
- Comfort zone: Caro-Kann Defense: Maróczy Variation as White, 80% in 15 games.
- By opponent strength: 30% against higher-rated players, 80% against lower-rated.
Based on 646 over-the-board games (106 classical · 46 rapid · 24 blitz). 333 with White (71%), 313 with Black (67%).
Openings as White
First move
| 1.e4 | 306 | 71% |
| 1.d4 | 12 | 63% |
| 1.c4 | 8 | 69% |
| 1.Nf3 | 4 | 75% |
Most played
| Opening | Games | Score |
|---|---|---|
| Sicilian Defense: Najdorf Variation | 24 | 56% |
| Caro-Kann Defense: Maróczy Variation | 15 | 80% |
| Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | 9 | 50% |
| French Defense: Rubinstein Variation, Blackburne Defense | 8 | 81% |
| Italian Game: Classical Variation, Giuoco Pianissimo | 7 | 71% |
Openings as Black
Against 1.e4 (129 games)
| 1...c5 Sicilian Defense | 61 | 60% |
| 1...e5 King's Pawn Game | 45 | 76% |
| 1...c6 Caro-Kann Defense | 22 | 75% |
Against 1.d4 (127 games)
| 1...d5 Queen's Pawn Game | 74 | 70% |
| 1...Nf6 Indian Defense | 45 | 70% |
| 1...d6 Queen's Pawn Game | 3 | 100% |
Most played
| Opening | Games | Score |
|---|---|---|
| Caro-Kann Defense: Tartakower Variation | 7 | 79% |
| Ruy Lopez: Schliemann Defense | 7 | 79% |
| Slav Defense: Quiet Variation, Schallopp Defense | 7 | 43% |
| Sicilian Defense: Moscow Variation | 7 | 57% |
| Sicilian Defense: Taimanov Variation, Bastrikov Variation | 7 | 57% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-09-19 | Natan Pirard (2356) Dutch Meesterklasse 2026-2027 | ½ |
| 2026-09-13 | Liam Vrolijk (2518) Jan Timman Schaal 2026 | Jan Timman Schaal · rapid | W |
| 2026-09-13 | Liam Vrolijk (2518) Jan Timman Schaal 2026 | Jan Timman Schaal · rapid | L |
| 2026-09-13 | Luca Suvorov (2196) Jan Timman Schaal 2026 | Jan Timman Schaal · rapid | W |
| 2026-09-12 | Roger Labruyere (2230) Dutch Blitz Championship 2026 | Finale A · blitz | W |
| 2026-09-12 | Liam Vrolijk (2528) Dutch Blitz Championship 2026 | Finale A · blitz | W |
| 2026-09-12 | Max Warmerdam (2564) Dutch Blitz Championship 2026 | Finale A · blitz | W |
| 2026-09-12 | Lucas Van Foreest Dutch Blitz Championship 2026 | Finale A · blitz | L |
| 2026-09-12 | Luuk Meulmeester (2171) Dutch Blitz Championship 2026 | Finale A · blitz | W |
| 2026-09-12 | Arthur De Winter Dutch Blitz Championship 2026 | Finale A · blitz | L |
Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.