CChessStats

Kstovo City day 2025

Open SwissStandard

12 players participated in this 7-round tournament, held from 20 Sept 2025 to 05 Oct 2025 in Kstovo, Russia. Top 10 Elo average was 1744, and top seed was Nikita Nagornov (πŸ‡·πŸ‡Ί RUS, 2200).

Ivan Chernov (πŸ‡·πŸ‡Ί RUS, 1756) won with 6.5/7, ahead of Matvey A Pyatnitsyn (5.5) and Alexander Borsch (4.5). Chernov shared the lead from round 4 and won solo starting round 5.

The biggest upset came in round 2: Alexander Borsch (1832) beat Nikita Nagornov (2200), a +368-point gap.

Location
πŸ‡·πŸ‡ΊKstovo, Russia
Dates
20 Sept 2025 β†’ 05 Oct 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss Β· 7 rounds
Top seed
πŸ‡·πŸ‡ΊNikita Nagornov2200
Avg top 10
1,744
Participants
12
Federations Β· 1 represented
πŸ‡·πŸ‡ΊRussiaΓ—12
Top 3

How it unfolded

Top 6 Β· 7 rounds

Ivan Chernov led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
6
3
1
2
1
1
1
23.55.57R1R2R3R4R5R6R7Chernov takes lead
Chernov6.5Pyatnitsyn5.5Borsch4.5Kozlov4Skvortsov3.5Mayorov2
R5 Β· LEADER CHANGE04 Oct

Ivan Chernov takes the sole lead (4.5/5).

R3 Β· HEAD-TO-HEAD Β· WINNER VS 2ND

Ivan Chernov drew with Matvey A Pyatnitsyn (Black).

WIN STREAKS Β· 2 top finishers

Ivan Chernov 4 wins (R4–R7)Alexander Borsch 3 wins (R1–R3)

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1Ivan Chernov*
Β½
1
1
2Matvey A Pyatnitsyn
Β½
*
0
1
3Alexander Borsch
0
1
*
1
4Kirill Dm. Kozlov
0
0
0
*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΞ”
1Chernov, Ivan1756RUS+9N+5B=2N+3B+8B+4N+6B6.521.022.019.252114+96.4
2Pyatnitsyn, Matvey A1850RUS+7B+4N=1B+9Nβˆ’3B+10N+5B5.521.522.514.751903+20.0
3Borsch, Alexander1832RUS+8B+11N+4Bβˆ’1N+2N=5BF4.522.022.013.751996+48.0
4Kozlov, Kirill Dm.1683RUS+10Nβˆ’2Bβˆ’3N+6B+5Nβˆ’1B+8N4.023.524.58.001746+24.8
5Skvortsov, Vladislav V.1773RUS+12Bβˆ’1N+7B+8Nβˆ’4B=3Nβˆ’2N3.524.024.56.251689-29.2
6Buldakov, Ivan1620RUSβˆ’11Bβˆ’8N+12Bβˆ’4N+10BFβˆ’1N2.014.514.51.501540-29.6
7Mayorov, Mark1644RUSβˆ’2N+10Bβˆ’5N+12BFFF2.011.511.51.501650-0.8
8Safonova, Anastasiya1552RUSβˆ’3N+6BFβˆ’5Bβˆ’1N=12Nβˆ’4B1.521.522.02.251500-18.0
9Belmesov, Mark1531RUSβˆ’1B+12NFβˆ’2BFFF1.015.515.50.501575+4.4
10Tselovalnikov, Stepan1482RUSβˆ’4Bβˆ’7NFFβˆ’6Nβˆ’2B+12N1.015.515.50.501419-17.2
11Nagornov, Nikita2200RUS+6Nβˆ’3BFFFFF1.07.57.52.001817-32.8
12Sheyko, Konstantin1491RUSβˆ’5Nβˆ’9Bβˆ’6Nβˆ’7NF=8Bβˆ’10B0.511.011.00.751201-66.0

Key insights

Biggest movers and upsets β€” the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
Kstovo City day 2025 β€” Kstovo, Russia | Chess Tournament Results | ChessStats