Stefan Koper
CZE · FIDE ID 306606 · 55 tournament games since 2021
Standard
1873
#2332 in CZE (active)
Rapid
1946
#1098 in CZE (active)
Blitz
1803
#1734 in CZE (active)
Score
48%
18 W · 17 D · 20 L
Opp. avg
1942
Last 50 games
Last game
2026-06-20
Teplice Open 2026 B-group
Prep summary
- As White: 1.d4 in 91% of games (scores 57%).
- Against 1.e4: 1...g6 in 9 of 17 games (Modern Defense), scoring 50%.
- Against 1.d4: 1...g6 in 4 of 10 games (Queen's Pawn Game), scoring 75%.
- Weak spot: Czech Defense as Black, only 17% in 3 games.
- Comfort zone: Modern Defense as Black, 80% in 5 games.
- By opponent strength: 28% against higher-rated players, 64% against lower-rated.
Based on 55 over-the-board games (6 classical). 23 with White (59%), 32 with Black (41%).
Openings as White
First move
| 1.d4 | 21 | 57% |
| 1.Nf3 | 2 | 75% |
Most played
| Opening | Games | Score |
|---|---|---|
| Indian Defense: Anti-Nimzo-Indian | 2 | 75% |
| Slav Indian | 2 | 100% |
| Queen's Gambit Declined: Exchange Variation, Positional Variation | 2 | 75% |
| King's Indian Defense: Fianchetto Variation, Larsen Defense | 1 | 100% |
| Grünfeld Defense: Three Knights Variation, Hungarian Variation | 1 | 100% |
Openings as Black
Against 1.e4 (17 games)
| 1...g6 Modern Defense | 9 | 50% |
| 1...d6 Pirc Defense | 6 | 33% |
| 1...e6 French Defense | 1 | 0% |
Against 1.d4 (10 games)
| 1...g6 Queen's Pawn Game | 4 | 75% |
| 1...Nf6 Indian Defense | 3 | 33% |
| 1...d5 Queen's Pawn Game | 2 | 50% |
Most played
| Opening | Games | Score |
|---|---|---|
| Modern Defense | 5 | 80% |
| Czech Defense | 3 | 17% |
| Queen's Pawn Game: Modern Defense | 3 | 67% |
| Pirc Defense | 2 | 25% |
| Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | 2 | 25% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-06-20 | Antonin Friml (1983) Teplice Open 2026 B-group | L |
| 2026-06-16 | Frantisek Mrkvan (1914) Teplice Open 2026 B-group | W |
| 2026-06-14 | Jan Zebisch (1688) Teplice Open 2026 B-group | ½ |
| 2026-06-13 | Bogdan Hlynsky (1773) Teplice Open 2026 B-group | L |
| 2026-05-10 | Vladimir Rajnys (1941) FIDE OPEN Dalovice 2026 · classical | W |
| 2026-05-09 | Felix Zimmermann (1977) FIDE OPEN Dalovice 2026 · classical | ½ |
| 2026-05-08 | Edvard Kolar (1934) FIDE OPEN Dalovice 2026 · classical | L |
| 2026-05-07 | Jan Jeronym Benes (1963) FIDE OPEN Dalovice 2026 · classical | W |
| 2026-05-07 | Jaroslav Zahorbensky (2020) FIDE OPEN Dalovice 2026 · classical | ½ |
| 2026-05-06 | Rudolf Hlavac (1965) FIDE OPEN Dalovice 2026 · classical | ½ |
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.