CChessStats

Astrakhan Region Championship 2025

Open SwissStandard

27 players participated in this 7-round tournament, held from 20 Oct 2025 to 26 Oct 2025 in Astrakhan, Russia. 1 titled players. Top 10 Elo average was 1850, and top seed was Armen Shaginjan (🇷🇺 RUS, IM, 2378).

Nikolay Marchenko (🇷🇺 RUS, 2143) won with 6.5/7, ahead of Nikita Chernov (5.0) and Kirill Kurochkin (5.0). Marchenko won solo starting round 6.

The biggest upset came in round 5: Kirill Kurochkin (1522) beat Armen Shaginjan (IM, 2378), a +856-point gap.

Location
🇷🇺Astrakhan, Russia
Dates
20 Oct 2025 → 26 Oct 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇷🇺IMArmen Shaginjan2378
Avg top 10
1,850
Participants
27
Titled players · 1
IM×1
Federations · 1 represented
🇷🇺Russia×27
Top 3

How it unfolded

Top 6 · 7 rounds

Nikolay Marchenko led from R6; +1.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R6.

Co-leaders
13
5
2
2
2
1
1
23.55.57R1R2R3R4R5R6R7
Marchenko6.5Chernov5Sokolov5Kurochkin5Sediki4.5Koshelev4.5
R6–R7 · LEAD HELD

Nikolay Marchenko never relinquished the lead after R6; final gap +1.5 over the runner-up.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Nikolay Marchenko beat Nikita Chernov (Black).

WIN STREAKS · 2 top finishers

Nikolay Marchenko 3+3 wins (R1–R3, R5–R7)Nikita Chernov 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Nikolay Marchenko*
1
1
½
2Nikita Chernov
0
*
0
1
3Vladimir Sokolov
0
1
*—
4Kirill Kurochkin
½
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Marchenko, Nikolay2143RUS+7N+6B+2N=3B+4N+12B+5N6.528.532.029.502205+5.4
2Chernov, Nikita1748RUS+20B+9N−1B+5N+6B+3N−4B5.029.532.020.501876+39.2
3Kurochkin, Kirill1522RUS+17N+25B+12N=1N+13B−2B=6N5.026.027.016.501933+76.4
4Sokolov, Vladimir1985RUS+21B+19N=5B=13N−1B+15N+2N5.025.027.517.002051+11.0
5Sediki, Shapur1849RUS+11N+15B=4N−2B+9B+7N−1B4.529.032.018.001859+11.6
6Khodovets, Sergey0RUS+10B−1N+23B+24B−2N+17N=3B4.525.527.513.5016510.0
7Koshelev, Alexander1570RUS−1B+23N=19B+8B+24N−5B+12N4.523.525.513.251745+50.8
8Sabelnikov, Konstantin Al1523RUS+14N=12B−13B−7N+27N+16B+9B4.522.022.012.251694+40.8
9Mukhtedinov, Roman1551RUS+18N−2B+25N+15B−5N+10B−8N4.024.025.011.001550-3.6
10Chikin, Kirill Dm0RUS−6N+11B−15N+22B+16B−9N+17B4.021.524.012.5014930.0
11Bolonkin, Nikolay1449RUS−5B−10N+20B−23N+26N+18B+15B4.019.020.09.501841+53.6
12Mescheriakov, Andrei A1757RUS+26B=8N−3B+14N+19B−1N−7B3.526.527.59.251596-27.0
13Shaginjan, ArmenIM2378RUS+16BF+8N=4B−3NF+14N3.521.021.013.502075-11.8
14Mukhanov, Damir1669RUS−8B=20N+21B−12B+25N+19N−13B3.519.020.07.251509-46.8
15Paschenko, Konstantin1853RUS+27B−5N+10B−9N+23B−4B−11N3.023.523.56.00910-104.0
16Krasovsky, Sergey S0RUS−13N+22B−18N+27B−10N−8N+23B3.019.519.54.5011510.0
17Pushkinskiy, Gleb0RUS−3B+27N−24N+25B+18N−6B−10N3.019.519.54.007300.0
18Islamgaziev, Ilgam0RUS−9B+21N+16B−19N−17B−11N+26N3.019.020.06.506970.0
19Krasovsky, Kirill Vik1487RUS+22N−4B=7N+18B−12N−14B−20N2.522.024.57.751301-39.2
20Bondarenko, Mikhail1454RUS−2N=14B−11N−26BF+22N+19B2.518.518.56.751502+7.6
21Golubkin, Aleksandr0RUS−4N−18B−14NF=22B+23N+25B2.517.017.04.2510270.0
22Akhmedov, Rakhmet0RUS−19B−16N+26B−10N=21N−20B+27N2.515.515.52.256700.0
23Kunitsyn, Yaroslav0RUS+24N−7B−6N+11B−15N−21B−16N2.021.523.56.0016020.0
24Tomeev, Daniel1537RUS−23B+26N+17B−6N−7BFF2.015.015.04.00770-18.0
25Dosumbaev, Bulat0RUSF−3N−9B−17N−14B+27B−21N1.018.018.00.007820.0
26Umerov, Amirkhan0RUS−12N−24B−22N+20N−11BF−18B1.017.517.52.5013550.0
27Akhmedov, Tamerlan0RUS−15N−17BF−16N−8B−25N−22B0.017.017.00.008880.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets