Open City Chess Club Cup - stage 2 A
12 players participated in this 7-round tournament, held from 07 Feb 2026 to 14 Feb 2026 in Tomsk, Russia. Top 10 Elo average was 1708, and top seed was Nadezhda Nikolaeva (🇷🇺 RUS, 1974).
Nadezhda Nikolaeva (🇷🇺 RUS, 1974) won with 6.0/7, ahead of Platon Lozhnikov (6.0) and Roman M. Karataev (5.0). Nikolaeva shared the lead from round 6, winning on tie-break.
The biggest upset came in round 4: Igor Radionenko (1534) beat Alexander Konev (1889), a +355-point gap.
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How it unfolded
Top 6 · 7 roundsTight race until R4; 2 players tied at 6.0/7, decided on Buchholz.
Platon Lozhnikov held the sole lead from R4 through R7 without losing it.
2 players finish on 6.0/7. Nikolaeva takes the title on Buchholz Cut1 (25.5).
Platon Lozhnikov beat Nadezhda Nikolaeva (White).
Key matchups · top 4
Head-to-head between the four finishersGrille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Nikolaeva, Nadezhda | 1974 | RUS | +4B | +5N | +3B | −2N | +7B | +8N | +10N | 6.0 | 25.5 | 26.5 | 20.50 | 2034 | +9.0 |
| 2 | Lozhnikov, Platon | 1799 | RUS | +9B | +11N | +5B | +1B | =3N | =4B | +6N | 6.0 | 25.0 | 26.0 | 21.25 | 1995 | +61.6 |
| 3 | Karataev, Roman M. | 1763 | RUS | +10B | +8N | −1N | +6B | =2B | +7N | =4B | 5.0 | 26.0 | 27.0 | 15.75 | 1872 | +43.2 |
| 4 | Potorokin, Maksim | 1714 | RUS | −1N | +6B | =7N | +11B | +9B | =2N | =3N | 4.5 | 26.0 | 27.0 | 13.75 | 1767 | +22.4 |
| 5 | Kakurin, Artem | 1765 | RUS | +7N | −1B | −2N | +12B | −6N | +11B | +8N | 4.0 | 22.5 | 22.5 | 7.00 | 1728 | -8.4 |
| 6 | Mutalibov, Daniil | 1582 | RUS | =8B | −4N | +10B | −3N | +5B | +9N | −2B | 3.5 | 24.0 | 25.0 | 8.25 | 1713 | +46.4 |
| 7 | Radionenko, Igor | 1534 | RUS | −5B | +10N | =4B | +8N | −1N | −3B | +11N | 3.5 | 23.0 | 24.0 | 6.75 | 1718 | +59.6 |
| 8 | Konev, Alexander | 1889 | RUS | =6N | −3B | +12N | −7B | +10N | −1B | −5B | 2.5 | 23.0 | 23.0 | 2.75 | 1560 | -55.8 |
| 9 | Shachnev, Gleb | 1550 | RUS | −2N | +12B | +11B | F | −4N | −6B | F | 2.0 | 15.0 | 15.0 | 1.00 | 1540 | -5.2 |
| 10 | Martiushev, Matvey | 1507 | RUS | −3N | −7B | −6N | F | −8B | +12N | −1B | 1.0 | 20.5 | 20.5 | 0.00 | 1425 | -28.8 |
| 11 | Averchenko, Snezhana | 1455 | RUS | F | −2B | −9N | −4N | +12B | −5N | −7B | 1.0 | 20.0 | 20.0 | 0.00 | 1373 | -24.8 |
| 12 | Khomyakova, Mariya | 1512 | RUS | F | −9N | −8B | −5N | −11N | −10B | F | 0.0 | 10.5 | 10.5 | 0.00 | 834 | -72.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Lozhnikov, PlatonRUS+61.66.0 pts · #1
- 2Radionenko, IgorRUS+59.63.5 pts · #6
- 3Mutalibov, DaniilRUS+46.43.5 pts · #7
- 1Khomyakova, MariyaRUS-72.40.0 pts · #12
- 2Konev, AlexanderRUS-55.82.5 pts · #8
- 3Martiushev, MatveyRUS-28.81.0 pts · #11
- R4+355 Elo gap
- R5+183 Elo gap
- R4+175 Elo gap