Etude Summer Classic A
10 players participated in this 9-round tournament, held from 11 Jun 2025 to 15 Jun 2025 in Novosibirsk, Russia. Top 10 Elo average was 1823, and top seed was Stanislav Vorobjov (🇷🇺 RUS, 2119).
Yaroslav Tupitsin (🇷🇺 RUS, 1994) won with 8.0/9, ahead of Mikhail Levin (6.0) and Maxim Chepurnoy (6.0). Tupitsin won solo starting round 6.
The biggest upset came in round 1: Mariya Shishkina (1641) beat Stanislav Vorobjov (2119), a +478-point gap.
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How it unfolded
Top 10 · 9 roundsYaroslav Tupitsin led from R4 onwards, the title was decided early.
Yaroslav Tupitsin never relinquished the lead after R4; final gap +2.0 over the runner-up.
Yaroslav Tupitsin opens a +1.5-point gap over the chasing pack (closest: Maxim Chepurnoy); the title is out of reach before R9.
Yaroslav Tupitsin beat Maxim Chepurnoy (White).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇷🇺Tupitsin, Yaroslav | 1994 | * | ½ | 1 | ½ | 1 | 1 | 1 | 1 | 1 | 1 | 8.0 | 31.25 | 37.0 | +76.4 | 2176 |
| 3 | 🇷🇺Levin, Mikhail | 1856 | ½ | * | 1 | 0 | ½ | ½ | 1 | 1 | 1 | ½ | 6.0 | 24.25 | 39.0 | +50.0 | 1945 |
| 2 | 🇷🇺Chepurnoy, Maxim | 2068 | 0 | 0 | * | ½ | 1 | 1 | ½ | 1 | 1 | 1 | 6.0 | 20.00 | 39.0 | -13.6 | 1973 |
| 4 | 🇷🇺Vorobjov, Stanislav | 2119 | ½ | 1 | ½ | * | ½ | ½ | ½ | 1 | 0 | 1 | 5.5 | 23.25 | 39.5 | -31.4 | 1945 |
| 5 | 🇷🇺Potorokin, Maksim | 1566 | 0 | ½ | 0 | ½ | * | 1 | 0 | 1 | 1 | 1 | 5.0 | 15.75 | 40.0 | +114.0 | 1856 |
| 6 | 🇷🇺Fomkin, Alexander | 2038 | 0 | ½ | 0 | ½ | 0 | * | 1 | 1 | 1 | 1 | 5.0 | 15.25 | 40.0 | -29.0 | 1881 |
| 7 | 🇷🇺Kalyndu, Aldynbek | 1950 | 0 | 0 | ½ | ½ | 1 | 0 | * | ½ | 1 | 1 | 4.5 | 14.50 | 40.5 | -24.0 | 1817 |
| 8 | 🇷🇺Zorina, Viktoriya | 1484 | 0 | 0 | 0 | 0 | 0 | 0 | ½ | * | 1 | 1 | 2.5 | 4.75 | 42.5 | +26.8 | 1627 |
| 9 | 🇷🇺Shishkina, Mariya | 1641 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | * | 1 | 2.0 | 6.00 | 43.0 | -19.6 | 1606 |
| 10 | 🇷🇺Redkus, Denis | 1512 | 0 | ½ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | * | 0.5 | 3.00 | 44.5 | -51.6 | 1346 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Potorokin, MaksimRUS+114.05.0 pts · #5
- 2Tupitsin, YaroslavRUS+76.48.0 pts · #1
- 3Levin, MikhailRUS+50.06.0 pts · #3
- 1Redkus, DenisRUS-51.60.5 pts · #10
- 2Vorobjov, StanislavRUS-31.45.5 pts · #4
- 3Fomkin, AlexanderRUS-29.05.0 pts · #6
- R1+478 Elo gap
- R9+472 Elo gap
- R3+212 Elo gap