CChessStats

Tournament with the KMS norm december

Open SwissStandard

10 players participated in this 7-round tournament, held from 30 Nov 2025 to 05 Dec 2025 in Astana, Kazakhstan. Top 10 Elo average was 1093, and top seed was Arlan Bolat (🇰🇿 KAZ, 1770).

Ratmir Nurullin (🇰🇿 KAZ, 1514) won with 5.5/7, ahead of Arlan Bolat (4.0) and Kapkhkhan Eskendir (3.5). Nurullin shared the lead from round 4 and won solo starting round 5.

The biggest upset came in round 4: Ratmir Nurullin (1514) beat Arlan Bolat (1770), a +256-point gap.

Location
🇰🇿Astana, Kazakhstan
Dates
30 Nov 2025 → 05 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇰🇿Arlan Bolat1770
Avg top 10
1,093
Participants
10
Federations · 1 represented
🇰🇿Kazakhstan×10
Top 3

How it unfolded

Top 6 · 7 rounds

Ratmir Nurullin led from R5; +1.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
4
2
1
2
1
1
1
23.55.57R1R2R3R4R5R6R7Nurullin takes lead
R5 · LEADER CHANGE03 Dec

Ratmir Nurullin takes the sole lead (4.0/5).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Ratmir Nurullin beat Arlan Bolat (White).

WIN STREAKS · 3 top finishers

Ratmir Nurullin 5 wins (R2–R6)Arlan Bolat 3 wins (R1–R3)Bakhtiyar Gusmanov 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Nurullin, Ratmir1514KAZ3N+8N+4B+2B+7N+5N=6B5.520.022.517.501947+60.3
2Bolat, Arlan1770KAZ+5B+7N+3B1NF4B+9B4.020.522.511.501532-48.4
3Kapkhkhan Eskendir0KAZ+1B+10B2N=5N+8B6NF3.522.024.011.751573+34.4
4Gusmanov, Bakhtiyar1606KAZ7N=6B1N+9B+5B+2NF3.522.024.011.001562-13.6
5Dulatov, Arman1508KAZ2N+9B+10N=3B4N1B+8N3.521.023.08.251420-18.8
6Mukhit, Ernur1513KAZ=8B=4N=7B10N9N+3B=1N3.019.521.510.501454-14.0
7Oralbekov, Eldar1470KAZ+4B2B=6N+8N1B9NF2.520.522.57.501518+2.4
8Raikhan, Nursultan0KAZ=6N1B+9N7B3N+10B5B2.520.022.05.5013660.0
9Bakdaulet, Asanali0KAZ10N5N8B4N+6B+7B2N2.019.021.05.501451+1.2
10Omirali, Ilkhan1551KAZ+9B3N5B+6BF8NF2.019.021.05.001512-4.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets