Quantbox Chennai Grandmasters - Challengers event
10 players participated in this 9-round tournament, held from 07 Aug 2025 to 15 Aug 2025 in Chennai, India. 10 titled players. Top 10 Elo average was 2558, and top seed was Abhimanyu Puranik (🇮🇳 IND, GM, 2635).
Pranesh M (🇮🇳 IND, GM, 2589) won with 6.5/9, ahead of B. Adhiban (6.0) and Abhimanyu Puranik (6.0). M shared the lead from round 6 and won solo starting round 8.
The biggest upset came in round 9: Harshavardhan G B (IM, 2454) beat Pranesh M (GM, 2589), a +135-point gap.
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How it unfolded
Top 10 · 9 roundsGM Pranesh M led from R8 onwards, the runner-up race stayed tight.
GM Pranesh M takes the sole lead (6.5/8).
GM Pranesh M beat GM Abhimanyu Puranik (Black).
GM Pranesh M 3 wins (R6–R8)GM Abhimanyu Puranik 4 wins (R2–R5)
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇮🇳GMPranesh M | 2589 | * | ½ | 1 | ½ | 1 | ½ | 0 | 1 | 1 | 1 | 6.5 | 26.25 | 38.5 | +15.7 | 2720 |
| 3 | 🇮🇳GMAdhiban, B. | 2534 | ½ | * | ½ | 1 | ½ | 1 | 1 | ½ | ½ | ½ | 6.0 | 26.75 | 39.0 | +18.3 | 2685 |
| 2 | 🇮🇳GMPuranik, Abhimanyu | 2635 | 0 | ½ | * | 1 | 0 | 1 | 1 | ½ | 1 | 1 | 6.0 | 22.00 | 39.0 | +4.6 | 2674 |
| 4 | 🇮🇳GMMendonca, Leon Luke | 2606 | ½ | 0 | 0 | * | ½ | 1 | 1 | 1 | 1 | 1 | 6.0 | 21.00 | 39.0 | +8.5 | 2677 |
| 5 | 🇮🇳GMIniyan, Pa | 2586 | 0 | ½ | 1 | ½ | * | ½ | ½ | 1 | 1 | ½ | 5.5 | 22.25 | 39.5 | +6.2 | 2635 |
| 6 | 🇮🇳GMGhosh, Diptayan | 2576 | ½ | 0 | 0 | 0 | ½ | * | 1 | ½ | 1 | 1 | 4.5 | 14.50 | 40.5 | -2.6 | 2556 |
| 7 | 🇮🇳IMHarshavardhan G B | 2454 | 1 | 0 | 0 | 0 | ½ | 0 | * | ½ | 1 | 1 | 4.0 | 13.75 | 41.0 | +9.0 | 2526 |
| 8 | 🇮🇳GMAryan Chopra | 2634 | 0 | ½ | ½ | 0 | 0 | ½ | ½ | * | 1 | 1 | 4.0 | 12.75 | 41.0 | -15.4 | 2506 |
| 9 | 🇮🇳GMDronavalli, Harika | 2487 | 0 | ½ | 0 | 0 | 0 | 0 | 0 | 0 | * | 1 | 1.5 | 4.00 | 43.5 | -20.4 | 2293 |
| 10 | 🇮🇳GMVaishali, Rameshbabu | 2476 | 0 | ½ | 0 | 0 | ½ | 0 | 0 | 0 | 0 | * | 1.0 | 5.75 | 44.0 | -23.9 | 2216 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Adhiban, B.GMIND+18.36.0 pts · #3
- 2Pranesh MGMIND+15.76.5 pts · #1
- 3Harshavardhan G BIMIND+9.04.0 pts · #7
- 1Vaishali, RameshbabuGMIND-23.91.0 pts · #10
- 2Dronavalli, HarikaGMIND-20.41.5 pts · #9
- 3Aryan ChopraGMIND-15.44.0 pts · #8
- R9+135 Elo gap