CChessStats

Open City Chess Club Cup - stage 2 A

Open SwissStandard

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.

Location
🇷🇺Tomsk, Russia
Dates
07 Feb 2026 → 14 Feb 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇷🇺Nadezhda Nikolaeva1974
Avg top 10
1,708
Participants
12
Federations · 1 represented
🇷🇺Russia×12
Top 3

How it unfolded

Top 6 · 7 rounds

Tight race until R4; 2 players tied at 6.0/7, decided on Buchholz.

Co-leaders
4
3
2
1
1
2
2
23.55.57R1R2R3R4R5R6R7
Lozhnikov6Nikolaeva6Karataev5Potorokin4.5Kakurin4Radionenko3.5
R4–R7 · LEAD HELD

Platon Lozhnikov held the sole lead from R4 through R7 without losing it.

R7 · TIEBREAK CLUSTER

2 players finish on 6.0/7. Nikolaeva takes the title on Buchholz Cut1 (25.5).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Platon Lozhnikov beat Nadezhda Nikolaeva (White).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Platon Lozhnikov*
1
½
½
2Nadezhda Nikolaeva
0
*
1
1
3Roman M. Karataev
½
0
*
½
4Maksim Potorokin
½
0
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Nikolaeva, Nadezhda1974RUS+4B+5N+3B−2N+7B+8N+10N6.025.526.520.502034+9.0
2Lozhnikov, Platon1799RUS+9B+11N+5B+1B=3N=4B+6N6.025.026.021.251995+61.6
3Karataev, Roman M.1763RUS+10B+8N−1N+6B=2B+7N=4B5.026.027.015.751872+43.2
4Potorokin, Maksim1714RUS−1N+6B=7N+11B+9B=2N=3N4.526.027.013.751767+22.4
5Kakurin, Artem1765RUS+7N−1B−2N+12B−6N+11B+8N4.022.522.57.001728-8.4
6Mutalibov, Daniil1582RUS=8B−4N+10B−3N+5B+9N−2B3.524.025.08.251713+46.4
7Radionenko, Igor1534RUS−5B+10N=4B+8N−1N−3B+11N3.523.024.06.751718+59.6
8Konev, Alexander1889RUS=6N−3B+12N−7B+10N−1B−5B2.523.023.02.751560-55.8
9Shachnev, Gleb1550RUS−2N+12B+11BF−4N−6BF2.015.015.01.001540-5.2
10Martiushev, Matvey1507RUS−3N−7B−6NF−8B+12N−1B1.020.520.50.001425-28.8
11Averchenko, Snezhana1455RUSF−2B−9N−4N+12B−5N−7B1.020.020.00.001373-24.8
12Khomyakova, Mariya1512RUSF−9N−8B−5N−11N−10BF0.010.510.50.00834-72.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets