Torneo Gironi infernali under 1800 - Girone 4
Round-RobinStandard
6 players participated in this 5-round tournament, held on 12 Oct 2025 in Vigevano, Italy. Top 10 Elo average was 1529, and top seed was Chiara Ferrazza (🇮🇹 ITA, 1553).
Pietro Pionni (🇮🇹 ITA, 1505) won with 3.0/5, ahead of Chiara Ferrazza (3.0) and Leonardo Grumi (3.0). Pionni shared the lead from round 3, winning on tie-break.
Location
🇮🇹Vigevano, Italy
Dates
12 Oct 2025
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Round-robin · 5 rounds
Federations · 1 represented
🇮🇹Italy×6
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsPietro Pionni led from R4 onwards, the runner-up race stayed tight.
Co-leaders
3
1
3
1
3
R4 · LEADER CHANGE12 Oct
Pietro Pionni takes the sole lead (3.0/4).
R3 · HEAD-TO-HEAD · WINNER VS 2ND
Pietro Pionni beat Chiara Ferrazza (White).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇮🇹Pionni, Pietro | 1505 | * | 1 | 1 | 0 | 1 | 0 | 3.0 | 8.00 | 12.0 | +32.0 | 1610 |
| 2 | 🇮🇹Ferrazza, Chiara | 1553 | 0 | * | 1 | 1 | 0 | 1 | 3.0 | 7.00 | 12.0 | +5.8 | 1598 |
| 3 | 🇮🇹Grumi, Leonardo | 1523 | 0 | 0 | * | 1 | 1 | 1 | 3.0 | 6.00 | 12.0 | +23.2 | 1605 |
| 4 | 🇮🇹Koureas, Panicos | 1515 | 1 | 0 | 0 | * | 1 | ½ | 2.5 | 5.75 | 12.5 | +2.8 | 1534 |
| 5 | 🇮🇹Mancuso, Monica | 1543 | 0 | 1 | 0 | 0 | * | 1 | 2.0 | 4.50 | 13.0 | -30.8 | 1452 |
| 6 | 🇮🇹Riggi, Jose Eugenio | 1536 | 1 | 0 | 0 | ½ | 0 | * | 1.5 | 4.25 | 13.5 | -41.6 | 1381 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Pionni, PietroITA+32.03.0 pts · #1
- 2Grumi, LeonardoITA+23.23.0 pts · #3
- 3Ferrazza, ChiaraITA+5.83.0 pts · #2
Top rating losers
- 1Riggi, Jose EugenioITA-41.61.5 pts · #6
- 2Mancuso, MonicaITA-30.82.0 pts · #5
- 3Koureas, PanicosITA2.82.5 pts · #4