IMHerman Grooten
NED · FIDE ID 1000330 · 193 tournament games since 2022
Standard
2170
#340 in NED (active)
Rapid
2184
#118 in NED (active)
Blitz
2120
#248 in NED (active)
Score
45%
73 W · 27 D · 93 L
Opp. avg
2198
Last 50 games
Last game
2026-09-12
Dutch Blitz Championship 2026 | Voorronde AB
Prep summary
- As White: 1.d4 in 85% of games (scores 47%).
- Against 1.e4: 1...c5 in 22 of 44 games (Sicilian Defense), scoring 41%.
- Against 1.d4: 1...Nf6 in 30 of 31 games (Indian Defense), scoring 32%.
- Weak spot: Queen's Gambit Declined: Ragozin Defense, Alekhine Variation as White, only 20% in 5 games.
- By opponent strength: 27% against higher-rated players, 58% against lower-rated.
Based on 193 over-the-board games (27 classical · 26 blitz · 25 rapid). 97 with White (45%), 96 with Black (45%).
Openings as White
First move
| 1.d4 | 82 | 47% |
| 1.Nf3 | 15 | 33% |
Most played
| Opening | Games | Score |
|---|---|---|
| Bogo-Indian Defense: Grünfeld Variation | 6 | 33% |
| Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | 5 | 20% |
| Slav Defense: Modern Line | 5 | 50% |
| Semi-Slav Defense | 4 | 38% |
| Queen's Gambit Declined: Three Knights Variation | 4 | 38% |
Openings as Black
Against 1.e4 (44 games)
| 1...c5 Sicilian Defense | 22 | 41% |
| 1...c6 Caro-Kann Defense | 21 | 52% |
| 1...e6 French Defense | 1 | 0% |
Against 1.d4 (31 games)
| 1...Nf6 Indian Defense | 30 | 32% |
| 1...c5 Benoni Defense | 1 | 100% |
Most played
| Opening | Games | Score |
|---|---|---|
| Caro-Kann Defense: Advance Variation, Tal Variation | 6 | 25% |
| English Opening: Symmetrical Variation, Hedgehog Defense | 4 | 75% |
| Zukertort Opening | 4 | 63% |
| Sicilian Defense: Delayed Alapin Variation | 3 | 50% |
| Queen's Indian Defense: Kasparov Variation | 3 | 33% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-09-12 | Mees Van Batenburg Dutch Blitz Championship 2026 | Voorronde AB · blitz | L |
| 2026-09-12 | Joey Grochal (2271) Dutch Blitz Championship 2026 | Voorronde AB · blitz | L |
| 2026-09-12 | Lars Vereggen (2412) Dutch Blitz Championship 2026 | Voorronde AB · blitz | L |
| 2026-09-12 | Roger Labruyere (2230) Dutch Blitz Championship 2026 | Voorronde AB · blitz | L |
| 2026-09-12 | Hing Ting Lai Dutch Blitz Championship 2026 | Voorronde AB · blitz | L |
| 2026-09-09 | Quang Thai Ngo (2343) Mülheimer 5 Tagesnorm 2026 | IM-Norm · classical | L |
| 2026-09-06 | Marc Erwich (2361) Mülheimer 5 Tagesnorm 2026 | IM-Norm · classical | L |
| 2026-09-06 | Sidney Panjer (2288) Mülheimer 5 Tagesnorm 2026 | IM-Norm · classical | W |
| 2026-08-17 | Marcel Becker (2324) Mülheimer 5 Tagesnorm 2026 | IM-Norm · classical | ½ |
| 2026-08-17 | Timo Kueppers (2355) Mülheimer 5 Tagesnorm 2026 | IM-Norm · classical | 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.