Peter Mattmann
SUI · FIDE ID 1325140 · 9 tournament games since 2026
Standard
1750
#1819 in SUI (active)
Rapid
–
Unrated
Blitz
–
Unrated
Score
44%
3 W · 2 D · 4 L
Opp. avg
1718
Last 9 games
Last game
2026-07-23
59th Biel International Chess Festival 2026 | Open | Amateur (ATO)
Prep summary
- As White: 1.e4 in 100% of games (scores 70%).
Based on 9 over-the-board games. 5 with White (70%), 4 with Black (13%).
Openings as White
First move
| 1.e4 | 5 | 70% |
Most played
| Opening | Games | Score |
|---|---|---|
| Sicilian Defense: O'Kelly Variation, Wing Gambit | 1 | 0% |
| Philidor Defense | 1 | 100% |
| Sicilian Defense: Mengarini Variation | 1 | 100% |
| Scandinavian Defense: Marshall Variation | 1 | 50% |
| Bishop's Opening: Ponziani Gambit | 1 | 100% |
Openings as Black
Against 1.e4 (2 games)
| 1...c5 Sicilian Defense | 1 | 0% |
| 1...e5 King's Pawn Game | 1 | 0% |
Against 1.d4 (2 games)
| 1...Nf6 Indian Defense | 1 | 50% |
| 1...d6 Queen's Pawn Game | 1 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| Indian Defense: Accelerated London System | 1 | 50% |
| Sicilian Defense | 1 | 0% |
| Italian Game: Rousseau Gambit | 1 | 0% |
| Lion Defense: Lion's Jaw | 1 | 0% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-07-23 | Noe Koehler (1688) 59th Biel International Chess Festival 2026 | Open | Amateur (ATO) | L |
| 2026-07-22 | Daniel Clausen 59th Biel International Chess Festival 2026 | Open | Amateur (ATO) | ½ |
| 2026-07-21 | Helen Grueter-Schmid (1684) 59th Biel International Chess Festival 2026 | Open | Amateur (ATO) | W |
| 2026-07-21 | Arsenii Filimonov (1958) 59th Biel International Chess Festival 2026 | Open | Amateur (ATO) | L |
| 2026-07-18 | Poedjo Suwendo (1685) 59th Biel International Chess Festival 2026 | Open | Amateur (ATO) | W |
| 2026-07-17 | Leon Jaillet 59th Biel International Chess Festival 2026 | Open | Amateur (ATO) | L |
| 2026-07-16 | Krzysztof Szerszen 59th Biel International Chess Festival 2026 | Open | Amateur (ATO) | ½ |
| 2026-07-15 | Yehor Kutonov (1876) 59th Biel International Chess Festival 2026 | Open | Amateur (ATO) | L |
| 2026-07-15 | Angela Reithmayer (1419) 59th Biel International Chess Festival 2026 | Open | Amateur (ATO) | 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.