CChessStats

Aberdeen Congress Open 2026

Open SwissStandard

25 players participated in this 5-round tournament, held from 10 Apr 2026 to 12 Apr 2026 in Aberdeen, Scotland. 2 titled players from 5 federations. Top 10 Elo average was 2047, and top seed was Murad Abdulla (🇬🇧 SCO, FM, 2318).

Murad Abdulla (🇬🇧 SCO, FM, 2318) won with 4.5/5, ahead of Nurlykhan Kudaibergen (4.5) and Jan Berg (4.0). Abdulla shared the lead from round 1, winning on tie-break.

The biggest upset came in round 3: Connor Sibbald (1619) beat Robin J Nandi (1872), a +253-point gap.

Location
🇬🇧Aberdeen, Scotland
Dates
10 Apr 2026 → 12 Apr 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
🇬🇧FMMurad Abdulla2318
Avg top 10
2,047
Participants
25
Titled players · 2
IM×1
FM×1
Federations · 5 represented
🇬🇧Scotland×18
🇬🇧England×4
🇰🇿Kazakhstan×1
🇺🇦Ukraine×1
🇨🇭Switzerland×1
Top 3

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 2 players tied at 4.5/5, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 2 at the finish.

Co-leaders
9
4
2
3
2
1.52.545R1R2R3R4R5
Kudaibergen4.5Abdulla4.5Berg4Borsos3.5Gunn-Russell3Jennings3
R5 · TIEBREAK CLUSTER

2 players finish on 4.5/5. Abdulla takes the title on Buchholz Cut1 (14.5).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Nurlykhan Kudaibergen drew with FM Murad Abdulla (Black).

WIN STREAKS · 2 top finishers

Nurlykhan Kudaibergen 3 wins (R1–R3)FM Murad Abdulla 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Nurlykhan Kudaibergen*
½
—
1
2FMMurad Abdulla
½
*
1
—
3Jan Berg—
0
*—
4IMBogdan Borsos
0
——*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Abdulla, MuradFM2318SCO+23N+7B+3N=2B+5N4.514.515.513.252366+4.6
2Kudaibergen, Nurlykhan2188KAZ+16B+9N+5B=1N+4B4.514.016.013.752415+23.0
3Berg, Jan1952SCO+22B+24N−1B+20N+6B4.09.510.56.002065+11.0
4Borsos, BogdanIM2101UKR=14N+15B+10N+8B−2N3.512.014.08.502128+2.3
5Palairet, Alexander2025SUI+12N+6B−2N+21B−1B3.014.515.56.502044+3.0
6Donofrio, Luke0SCO+11B−5N+22B+7B−3N3.012.513.56.5019240.0
7Gunn-Russell, Charles1882SCO+20B−1N+24B−6N+16B3.010.511.54.002079+37.6
8McCormack, Derek1918SCO=18N+14B+13B−4N=15B3.010.011.56.252005+12.0
9Jennings, Richard1927SCO+19N−2B=21B=13N+20B3.09.510.54.251980+8.0
10Lothian, Robert2039SCO+17B=21N−4B=15N=11B2.510.011.04.751912-16.4
11McNaught, Jordan J1881SCO−6N=12B=18N+22B=10N2.59.510.54.251931+5.0
12Kane, Robert1788ENG−5B=11N=14N=23B+19N2.59.010.04.251886+13.2
13Spencer, Edwin A2075SCOF+18B−8N=9B+21N2.58.58.54.001961-10.8
14Bramson, Mike1866ENG=4B−8N=12B=19N=17N2.011.012.54.751807-9.0
15Mittal, Advik1886SCOF−4N+17B=10B=8N2.011.011.04.751968+16.4
16Nandi, Robin J1872ENG−2N+19B−20N+18B−7N2.010.511.53.001769-14.8
17Wynarczyk, Raymond1812ENG−10N=25B−15N+24N=14B2.07.58.02.251824+1.2
18Nield, Christopher1736SCO=8B−13N=11B−16N=23B1.510.011.03.251776+3.6
19Galbraith, David1778SCO−9B−16N+23N=14B−12B1.59.510.52.001718-8.0
20Sibbald, Connor1619SCO−7NF+16B−3B−9N1.012.012.02.001715+14.8
21Mitchell, Jeremy J1881SCOF=10B=9N−5N−13B1.011.011.02.751824-11.6
22Uegaki, Haruo1781SCO−3N+23B−6N−11NF1.010.510.51.001779+0.4
23Campbell, Duncan A F1880SCO−1B−22N−19B=12N=18N1.010.011.02.001633-33.6
24Murray, Thomas W J1769SCO+25N−3B−7N−17BF1.09.59.50.501699-14.0
25Babin, Andre1922SCO−24B=17NFFF0.53.03.01.001598-17.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets