CChessStats

RSF open 1800- III posms-2026

Open SwissStandard

21 players participated in this 7-round tournament, held from 01 May 2026 to 03 May 2026 in Riga, Latvia. Top 10 Elo average was 1707, and top seed was Lauma Mierina (🇱🇻 LAT, 1775).

Valerijs Rizihs (🇱🇻 LAT, 1707) won with 6.5/7, ahead of Aleksejs Azarkevics (5.0) and Maxim Andryushin (5.0). Rizihs won solo starting round 4.

The biggest upset came in round 1: Vladimirs Smalijs (1544) beat Ernests Strekalovs (1769), a +225-point gap.

Location
🇱🇻Riga, Latvia
Dates
01 May 2026 → 03 May 2026
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇱🇻Lauma Mierina1775
Avg top 10
1,707
Participants
21
Federations · 1 represented
🇱🇻Latvia×20
Top 3

How it unfolded

Top 6 · 7 rounds

Valerijs Rizihs led from R4; +1.5-point edge over the runner-up.

Co-leaders
9
4
2
1
1
1
1
23.55.57R1R2R3R4R5R6R7
Rizihs6.5Andryushin5Azarkevics5Aliev4.5Mierina4.5Tkacovs4
R4–R7 · LEAD HELD

Valerijs Rizihs never relinquished the lead after R4; final gap +1.5 over the runner-up.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Valerijs Rizihs drew with Maxim Andryushin (White).

WIN STREAKS · 2 top finishers

Valerijs Rizihs 5 wins (R1–R5)Aleksejs Azarkevics 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Valerijs Rizihs*
½
1
1
2Maxim Andryushin
½
*
0
—
3Aleksejs Azarkevics
0
1
*
1
4Iskander Aliev
0
—
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Rizihs, Valerijs1707LAT+20N+21B+4N+2B+6N=3B+5N6.523.023.020.502064+43.2
2Azarkevics, Aleksejs1653LAT+14B+5N+3B−1N+8B−4N+6B5.028.531.520.501809+25.4
3Andryushin, Maxim1769LAT+6N+13B−2N=12B+7N=1N+4B5.027.030.020.251835+12.8
4Mierina, Lauma1775LAT+12B+10N−1B+14N=5B+2B−3N4.527.530.516.751741-9.6
5Aliev, Iskander1725LAT+17N−2B+9N+13B=4N+12B−1B4.525.527.513.751762+15.6
6Tkacovs, Stanislavs1585LAT−3B+15N+10B+11N−1B+13B−2N4.026.529.513.001691+41.6
7Strekalovs, Ernests1769LAT−8B=11N+17B+9N−3B=10N+12B4.022.524.512.001683-29.6
8Smalijs, Vladimirs1544LAT+7N=9B−13N+18B−2N+15B=11N4.022.023.512.001669+47.2
9Gailums, Makss1722LAT+18B=8N−5B−7B=11N+14N=10B3.522.524.010.001579-46.4
10Smilga, Olivers1654LAT+16N−4B−6N+19B=12N=7B=9N3.522.022.58.751540-30.8
11Eglitis, Roberts1636LAT=19N=7B=18N−6B=9B+20N=8B3.517.517.56.751596-6.4
12Bakass, Artjoms1595LAT−4N+19B+16B=3N=10B−5N−7N3.024.525.07.751498-21.6
13Liepins, Arturs1656LAT+15B−3N+8B−5N+14B−6N−16N3.023.526.510.001535-32.0
14Valainis, Alberts0LAT−2N+17B+19N−4B−13N−9B+20B3.018.518.52.5015060.0
15Antoniskis, Markuss1411LAT−13N−6B+20N+16BF−8N+18B3.015.515.54.501477+16.0
16Jukams, Rihards0LAT−10BF−12N−15N+19B+17N+13B3.015.015.05.5014940.0
17Strekalovs, Rinalds1512LAT−5B−14N−7N+20B+18N−16BF2.016.016.01.501613+20.0
18Kalve, Andris1488LAT−9N+20B=11B−8N−17BF−15N1.516.016.01.751356-20.8
19Eglitis, Rudolfs0LAT=11B−12N−14B−10N−16NFF0.516.016.01.7513550.0
20Aronovics, Boriss1470LAT−1B−18N−15B−17NF−11B−14N0.019.519.50.00751-78.8
21FIDE 116576500—F−1NFFFFF0.06.56.50.009070.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets