GMSipke Ernst
NED · FIDE ID 1004689 · 111 tournament games since 2019
Standard
2547
#12 in NED (active)
Rapid
2514
#13 in NED (active)
Blitz
2436
#25 in NED (active)
Score
61%
47 W · 41 D · 23 L
Opp. avg
2415
Last 50 games
Last game
2026-09-19
Dutch Meesterklasse 2026-2027
Prep summary
- As White: 1.d4 in 57% of games (scores 55%), otherwise 1.Nf3 (32%).
- Against 1.e4: 1...e5 in 24 of 30 games (King's Pawn Game), scoring 50%.
- Against 1.d4: 1...d5 in 10 of 17 games (Queen's Pawn Game), scoring 55%.
- By opponent strength: 38% against higher-rated players, 76% against lower-rated.
- Drawish: 37% of games end in a draw.
Based on 111 over-the-board games (17 classical · 9 rapid). 53 with White (64%), 58 with Black (58%).
Openings as White
First move
| 1.d4 | 30 | 55% |
| 1.Nf3 | 17 | 82% |
| 1.e4 | 4 | 63% |
| 1.c4 | 2 | 50% |
Most played
| Opening | Games | Score |
|---|---|---|
| Semi-Slav Defense: Stoltz Variation | 3 | 33% |
| Catalan Opening: Open Defense | 3 | 83% |
| English Opening: Agincourt Defense, Neo-Catalan Declined | 2 | 100% |
| King's Indian Attack: Symmetrical Defense | 2 | 75% |
| Bogo-Indian Defense: Retreat Variation | 2 | 100% |
Openings as Black
Against 1.e4 (30 games)
| 1...e5 King's Pawn Game | 24 | 50% |
| 1...c5 Sicilian Defense | 4 | 75% |
| 1...e6 French Defense | 2 | 50% |
Against 1.d4 (17 games)
| 1...d5 Queen's Pawn Game | 10 | 55% |
| 1...Nf6 Indian Defense | 6 | 67% |
| 1...e6 Horwitz Defense | 1 | 100% |
Most played
| Opening | Games | Score |
|---|---|---|
| Scotch Game: Schmidt Variation | 2 | 75% |
| Four Knights Game: Spanish Variation, Nimzowitsch Variation | 2 | 50% |
| Ruy Lopez: Morphy Defense, Møller Variation | 2 | 25% |
| Four Knights Game: Spanish Variation, Classical Variation | 2 | 50% |
| English Opening: Agincourt Defense | 2 | 75% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-09-19 | Liam Vrolijk (2506) Dutch Meesterklasse 2026-2027 | L |
| 2026-08-23 | Piotr Brzezina (2398) Olomouc Chess Summer 2026 | A - GM · rapid | W |
| 2026-08-22 | Pavel Simacek (2372) Olomouc Chess Summer 2026 | A - GM · rapid | ½ |
| 2026-08-21 | Marsel Efroimski (2360) Olomouc Chess Summer 2026 | A - GM · rapid | W |
| 2026-08-19 | Bayarjavkhlan Delgerdalai (2392) Olomouc Chess Summer 2026 | A - GM · rapid | W |
| 2026-08-18 | Azer Mirzoev (2401) Olomouc Chess Summer 2026 | A - GM · rapid | ½ |
| 2026-08-17 | Ilias Van der Lende (2393) Olomouc Chess Summer 2026 | A - GM · rapid | W |
| 2026-08-17 | Rakshitta Ravi (2352) Olomouc Chess Summer 2026 | A - GM · rapid | W |
| 2026-08-16 | Miguoel Admiraal (2470) Olomouc Chess Summer 2026 | A - GM · rapid | ½ |
| 2026-08-15 | Jacek Szwed (2301) Olomouc Chess Summer 2026 | A - GM · rapid | W |
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.