CChessStats

VPHS_RIVIERA 2025 December STANDARD-A

Open SwissStandard

27 players participated in this 7-round tournament, held from 27 Dec 2025 to 28 Dec 2025 in Moscow, Russia. Top 10 Elo average was 1595, and top seed was Alexey Melnik (🇷🇺 RUS, 1749).

Stepan Efimov (🇷🇺 RUS, 0) won with 7.0/7, ahead of Aleksandr Art Rozhko (6.0) and Daniil Klyot (5.0). Efimov won solo starting round 5.

The biggest upset came in round 6: Aleksandr Art Rozhko (1533) beat Alexey Melnik (1749), a +216-point gap.

Location
🇷🇺Moscow, Russia
Dates
27 Dec 2025 → 28 Dec 2025
Time control
Standard: All Moves in 30 Min. Del. 30 Sec. / /
System
Swiss · 7 rounds
Top seed
🇷🇺Alexey Melnik1749
Avg top 10
1,595
Participants
27
Federations · 1 represented
🇷🇺Russia×25
Top 3

How it unfolded

Top 6 · 7 rounds

Stepan Efimov 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
12
5
3
2
1
1
1
23.55.57R1R2R3R4R5R6R7
Efimov7Rozhko6Ter-Parsegov5Klyot5Vasilyev4.5Golubeva4.5
R5–R7 · LEAD HELD

Stepan Efimov never relinquished the lead after R5; final gap +1.0 over the runner-up.

R2 · HEAD-TO-HEAD · WINNER VS 2ND

Stepan Efimov beat Aleksandr Art Rozhko (White).

WIN STREAKS · 3 top finishers

Stepan Efimov 7 wins (R1–R7)Aleksandr Art Rozhko 5 wins (R3–R7)Vladimir Ter-Parsegov 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Stepan Efimov*
1
1
1
2Aleksandr Art Rozhko
0
*——
3Vladimir Ter-Parsegov
0
—*—
4Daniil Klyot
0
——*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Efimov, Stepan0RUS+9N+2B+14N+7B+11B+3N+4B7.028.031.531.5017200.0
2Rozhko, Aleksandr Art1533RUS+12B−1N+23B+17N+8B+11N+10B6.025.527.020.002434+73.2
3Klyot, Daniil1660RUS=5N+21B=19N+6B+10N−1B+9N5.026.028.017.751684+4.8
4Ter-Parsegov, Vladimir1688RUS+18N=19B=5N+9B+7N+14B−1N5.025.527.517.251711+4.4
5Vasilyev, Evgeniy Al1482RUS=3B+16N=4B−8N+19N=7B+14N4.524.526.515.501617+51.6
6Golubeva, Vera And0RUS+15B−8N+22B−3N+13B+12N=7B4.524.026.015.0014860.0
7Lavrentiev, Egor Ev1458RUS+26N+13B+8B−1N−4B=5N=6N4.028.529.513.001672+41.6
8Grishchenko, Rodion1584RUS+24N+6B−7N+5B−2N−9B+20N4.025.026.012.001477-22.0
9Sanaev, Ivan0RUS−1B+20N+25B−4N+23B+8N−3B4.024.525.58.5015890.0
10Fomichev, German1569RUS+20B+25N−11B+13N−3B+17N−2N4.023.024.09.001521-14.8
11Melnik, Alexey1749RUS+27N+17B+10N+19B−1N−2BF4.021.521.58.501658-12.8
12Surkov, Vladimir Andr0RUS−2N+27B−13N+18B+16N−6B+24N4.020.520.56.5014060.0
13Shirokov, Viktor1579RUS+16N−7N+12B−10B−6N+18B=17B3.522.024.510.751379-16.0
14Malyshev, Mikhail Rom1648RUS+22B=23N−1B+25N+21B−4N−5B3.522.023.05.751409-11.6
15Psyrkov, Dmitriy Ser0RUS−6N+24B−18N−16B+25B=19N+21B3.515.016.05.001466-8.0
16Buturlimov, Georgy0RUS−13B−5B+27N+15N−12B−24N+22N3.018.518.55.507190.0
17Chobotov, Daniil0RUSF−11N+26B−2B+20N−10B=13N2.520.520.54.7514260.0
18Tyulina, Vera1450RUS−4B−26N+15B−12N+22B−13N=19B2.520.021.06.501309-22.0
19Fatin, Vasiliy Maks1462RUSF=4N=3B−11N−5B=15B=18N2.024.524.58.001456-8.4
20Koltygin, Dmitriy1422RUS−10N−9BF+23N−17B+21N−8B2.018.018.03.501410-1.0
21Korobeynikov, Pavel1453RUS−23B−3N+24B+22N−14N−20B−15N2.017.518.53.00721-25.0
22Neklyudov, Sergey V0RUS−14N+?B−6N−21B−18N+23N−16B2.017.017.01.506660.0
23Goman, Andrey0RUS+21N=14B−2N−20B−9N−22BF1.519.519.53.7513890.0
24Rozhkov, Andrey0RUS−8B−15N−21NFF+16B−12B1.017.517.53.007170.0
25Bashlakov, Sergey0RUS+?N−10B−9N−14B−15NFF1.015.015.00.007250.0
26FIDE 5700036100—−7B+18B−17NFFFF1.010.010.02.5014700.0
27FIDE 5220494790—−11B−12N−16BFFFF0.012.012.00.009500.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets