CChessStats

VPHS_RIVIERA 2025 23-24 August STANDARD-A

Open SwissStandard

19 players participated in this 7-round tournament, held from 23 Aug 2025 to 24 Aug 2025 in Moscow, Russia. 4 federations represented. Top 10 Elo average was 1587, and top seed was Polina Popovtseva (🇬🇧 ENG, 1758).

Mikhail Andr Zaitsev (🇷🇺 RUS, 1599) won with 5.0/7, ahead of Roman Samoilov (5.0) and Narek Khachatrian (5.0). Zaitsev shared the lead from round 1, winning on tie-break.

The biggest upset came in round 1: Ivan Pechenkin (1473) beat Polina Popovtseva (1758), a +285-point gap.

Location
🇷🇺Moscow, Russia
Dates
23 Aug 2025 → 24 Aug 2025
Time control
Standard: All Moves in 30 Min. Del. 30 Sec. / /
System
Swiss · 7 rounds
Top seed
🇬🇧Polina Popovtseva1758
Avg top 10
1,587
Participants
19
Federations · 4 represented
🇷🇺Russia×14
FIDE (no federation)×1
🇦🇲Armenia×1
🇬🇧England×1
Top 3

How it unfolded

Top 6 · 7 rounds

Tight race until R6; 3 players tied at 5.0/7, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 3 at the finish.

Co-leaders
7
4
2
2
3
1
3
23.55.57R1R2R3R4R5R6R7
Zaitsev5Samoilov5Khachatrian5Fomichev4.5Pechenkin4.5Zolin4.5
R6–R7 · LEAD HELD

Mikhail Andr Zaitsev held the sole lead from R6 through R7 without losing it.

R7 · TIEBREAK CLUSTER

3 players finish on 5.0/7. Zaitsev takes the title on Buchholz Cut1 (26.5).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Mikhail Andr Zaitsev drew with Roman Samoilov (White).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Mikhail Andr Zaitsev*
½
0
½
2Roman Samoilov
½
*—
1
3Narek Khachatrian
1
—*—
4German Fomichev
½
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Zaitsev, Mikhail Andr1599RUS+15B+11N+4B=5N=2B+6N−3B5.026.528.518.751705+39.6
2Samoilov, Roman1713RUS=8B+10N+9BF=1N+5N+4B5.025.526.521.001816+24.4
3Khachatrian, Narek1607ARM−13N+16B=8B+12N=7N+11B+1N5.022.024.017.251592-3.6
4Zolin, Aleksey Al1520RUS+14N+7B−1N+11B=5B+9N−2N4.526.028.516.251669+48.4
5Fomichev, German1531RUS+16N+13B+6N=1B=4N−2B=8N4.525.527.515.751597+22.8
6Pechenkin, Ivan1473FID+9B+18N−5B+10N+8B−1B=7N4.525.526.514.751640+48.6
7Glamazdin, Evgeniy1543RUS+17B−4N+15B=8N=3B+14N=6B4.522.523.512.251505-10.4
8Vavilin, Artem Ev1467RUS=2N+12B=3N=7B−6N+16B=5B4.026.528.514.501502+8.0
9Popovtseva, Polina1758ENG−6N+17B−2N+19B+13N−4B+12N4.020.521.07.001350-82.0
10Urbanov, Viktor Aleks0RUS=12N−2B+17N−6B−14B+13N+15B3.519.520.57.0015270.0
11Gadzhieva, Meseda Mag1527RUS+19B−1B+13N−4N+15B−3N−14B3.021.522.05.001458-19.6
12Tsinamdzgvrishvili, Tikhon0RUS=10B−8N+16B−3B=17N+15N−9B3.020.521.56.2513790.0
13Mishanin, Filat1464RUS+3B−5N−11B=14N−9B−10B+19N2.522.523.06.751413-11.2
14Salomatov, Nikolay D0RUS−4B−15NF=13B+10N−7B+11N2.520.020.07.7513540.0
15Saffiulinna, Dina1457RUS−1N+14B−7N+17B−11N−12B−10N2.021.522.53.50757-43.6
16Grishchenko, Rodion0RUS−5B−3N−12NF+19B−8N+17N2.018.018.01.507350.0
17FIDE 5400457730—−7N−9N−10B−15N=12B=19N−16B1.019.019.51.757860.0
18Meshkov, Evgeny V1599RUSF−6B+19NFFFF1.010.010.00.50674-13.4
19FIDE 5400568050—−11NF−18B−9N−16N=17B−13B0.513.513.50.507870.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets