MANGYSTAU CLASSIC-21

Open SwissStandard

37 players participated in this 9-round tournament, held from 12 Dec 2025 to 14 Dec 2025 in Aktau, Kazakhstan. Top 10 Elo average was 1541, and top seed was Nurzhan Iskhozhaev (🇰🇿 KAZ, 1576).

Artur Nurbergen (🇰🇿 KAZ, 1567) won with 8.0/9, ahead of Nurzhan Iskhozhaev (7.0) and Arsen Utebayev (6.5). Nurbergen won solo starting round 8.

The biggest upset came in round 2: Tamerlan Nugiyev (1424) beat Dias Bektursynuly (1550), a +126-point gap.

Location

🇰🇿Aktau, Kazakhstan

Dates

12 Dec 2025 → 14 Dec 2025

Time control

Standard: 30 minutes for game with 30 seconds increment from move 1

System

Swiss · 9 rounds

Top seed

🇰🇿Nurzhan Iskhozhaev1576

Avg top 10

1,541

Participants

Federations · 1 represented

🇰🇿Kazakhstan×34

Top 3

🥇
Artur Nurbergen
🇰🇿KAZ·1567
8.0pts·1758perf+56.8
🥈
Nurzhan Iskhozhaev
🇰🇿KAZ·1576
7.0pts·1631perf+21.6
🥉
Arsen Utebayev
🇰🇿KAZ·1529
6.5pts·1702perf+56.8

How it unfolded

Top 6 · 9 rounds

Artur Nurbergen led from R4; +1.0-point edge over the runner-up.

Co-leaders

Nurbergen8Iskhozhaev7Utebayev6.5Kalilaev6.5Tanzharbay6.5Amirov6

R4–R9 · LEAD HELD

Artur Nurbergen never relinquished the lead after R4; final gap +1.0 over the runner-up.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Artur Nurbergen drew with Nurzhan Iskhozhaev (Black).

WIN STREAKS · 2 top finishers

Artur Nurbergen 4+3 wins (R1–R4, R7–R9)Arsen Utebayev 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Artur Nurbergen	*	½	1	—
2Nurzhan Iskhozhaev	½	*	0	½
3Arsen Utebayev	0	1	*	½
4Eskali Kalilaev	—	½	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Nurbergen, Artur	1567	KAZ	+13N	+23B	+14N	+3B	=2N	=17B	+6N	+16B	+7N	8.0	42.5	46.0	40.50	1758	+56.8
2	Iskhozhaev, Nurzhan	1576	KAZ	+6B	+20N	=4B	+10N	=1B	+7N	+5B	−3N	+11B	7.0	49.5	53.5	39.75	1631	+21.6
3	Utebayev, Arsen	1529	KAZ	+29N	+22B	+7N	−1N	+10B	−6N	+8B	+2B	=4N	6.5	48.0	51.0	33.75	1702	+56.8
4	Kalilaev, Eskali	1521	KAZ	+12N	+26B	=2N	−21B	+16N	+9B	=17N	+6B	=3B	6.5	41.5	44.5	32.25	1557	+11.6
5	Tanzharbay, Tansholpan	1509	KAZ	−22N	+32B	+26N	=9B	+19N	+18B	−2N	+27B	+17N	6.5	34.0	36.0	22.75	1654	+37.6
6	Abish, Aknur	0	KAZ	−2N	+12B	+28N	+14B	+18N	+3B	−1B	−4N	+16N	6.0	45.5	48.5	27.00	1512	0.0
7	Amirov, Zakariya	1474	KAZ	+30B	+16N	−3B	+31N	+21N	−2B	+27N	+17B	−1B	6.0	38.5	41.0	19.50	1572	+52.0
8	Mussabayev, Dulat	1484	KAZ	−26N	+37B	+22N	−16B	+29N	+13B	−3N	+21N	+10B	6.0	33.0	33.0	19.50	1490	+1.6
9	Nugiyev, Tamerlan	1424	KAZ	+35B	+31N	−17B	=5N	+24B	−4N	=21B	=15N	+19B	5.5	35.0	36.0	18.25	1522	+22.0
10	Turkmenbay, Nysanali	1452	KAZ	+34N	+28B	+21N	−2B	−3N	−16B	+13N	+18B	−8N	5.0	38.5	39.5	16.00	1374	-37.2
11	Nurmukhambet, Nurbergen	0	KAZ	+18N	−14B	+23N	+32B	−17N	+21B	−16N	+19B	−2N	5.0	34.5	36.5	17.00	1514	0.0
12	Kobeisin, Raiymbek	0	KAZ	−4B	−6N	+33B	−27N	=25B	+29B	=20N	+24N	+15B	5.0	34.0	35.0	15.75	1284	0.0
13	Akhmet, Yersin	0	KAZ	−1B	+27N	−16B	+30N	+15B	−8N	−10B	+28N	=23B	4.5	37.0	39.5	14.75	1114	0.0
14	Sundetbay, Sabyrzhan	1526	KAZ	+33B	+11N	−1B	−6N	−27B	+20N	−15B	=22N	+30B	4.5	36.5	37.5	14.25	754	0.0
15	Kopbayev, Zhan	0	KAZ	+17N	−21B	+19N	−18B	−13N	+26B	+14N	=9B	−12N	4.5	35.0	38.0	18.25	1495	0.0
16	Zhumagaliyev, Sayat	0	KAZ	F	−7B	+13N	+8N	−4B	+10N	+11B	−1N	−6B	4.0	47.0	47.0	20.50	1426	-3.6
17	Ermekbaev, Mukagali	1518	KAZ	−15B	+33N	+9N	F	+11B	=1N	=4B	−7N	−5B	4.0	43.0	44.0	18.75	1425	-24.4
18	Sarybai, Sanzhar	1485	KAZ	−11B	+30N	+34B	+15N	−6B	−5N	+24B	−10N	−27B	4.0	36.0	37.0	11.50	701	-37.2
19	Mered, Raiymbek	1549	KAZ	−20B	+24N	−15B	+22N	−5B	+34N	+28B	−11N	−9N	4.0	35.5	36.5	11.00	684	-43.2
20	Beibit, Alua	0	KAZ	+19N	−2B	−35N	=26B	+32N	−14B	=12B	−23N	+25B	4.0	32.5	33.5	13.50	1486	0.0
21	Zhasulankyzy, Mariyam	1566	KAZ	+36B	+15N	−10B	+4N	−7B	−11N	=9N	−8B	−22B	3.5	42.0	42.0	13.75	1329	-49.2
22	Mukhiden, Erasyl	0	KAZ	+5B	−3N	−8B	−19B	=26N	=30N	F	=14B	+21N	3.5	36.5	36.5	15.00	1436	0.0
23	Amirova, Alsu	1442	KAZ	+27B	−1N	−11B	−24N	=30B	=25N	F	+20B	=13N	3.5	34.0	35.0	12.25	1299	-14.0
24	Oteubayeva, Kundyz	1406	KAZ	=32N	−19B	+36N	+23B	−9N	=28B	−18N	−12B	=33N	3.5	28.0	28.0	6.50	1278	0.0
25	Mergenbai, Nurasyl	1441	KAZ	−28N	−29B	−32N	+36B	=12N	=23B	=26N	+33B	−20N	3.5	24.5	24.5	6.75	1436	+0.4
26	Orynbay, Zhanbolat	0	KAZ	+8B	−4N	−5B	=20N	=22B	−15N	=25B	=30N	−29B	3.0	37.5	40.0	12.75	1401	0.0
27	Sharin, Mark	0	KAZ	−23N	−13B	F	+12B	+14N	F	−7B	−5N	+18N	3.0	36.5	36.5	13.50	1273	0.0
28	Toktarbai, Sezym	0	KAZ	+25B	−10N	−6B	+33N	=31B	=24N	−19N	−13B	F	3.0	30.0	30.0	7.50	1410	0.0
29	Erkanatuly, Aldiyar	0	KAZ	−3B	+25N	−31B	+34N	−8B	−12N	−30B	F	+26N	3.0	30.0	30.0	7.50	1303	0.0
30	FIDE 447071583	0	—	−7N	−18B	F	−13B	=23N	=22B	+29N	=26B	−14N	2.5	32.0	32.0	8.00	1178	0.0
31	Bektursynuly, Dias	1550	KAZ	+37N	−9B	+29N	−7B	=28N	F	F	F	F	2.5	20.5	20.5	4.50	647	-51.6
32	Zhauymbai, Sayat	0	KAZ	=24B	−5N	+25B	−11N	−20B	=33N	F	F	F	2.0	23.5	23.5	5.75	1471	0.0
33	Kaldybai, Rasul	0	KAZ	−14N	−17B	−12N	−28B	F	=32B	F	−25N	=24B	1.0	25.5	25.5	2.75	672	0.0
34	Samenov, Saken	0	KAZ	−10B	F	−18N	−29B	+36N	−19B	F	F	F	1.0	19.5	19.5	0.00	694	0.0
35	FIDE 447073250	0	—	−9N	F	+20B	F	F	F	F	F	F	1.0	13.5	13.5	4.00	655	0.0
36	Amraliyev, Miras	0	KAZ	−21N	F	−24B	−25N	−34B	F	F	F	F	0.0	13.5	13.5	0.00	672	0.0
37	FIDE 557018502	0	—	−31B	−8N	F	F	F	F	F	F	F	0.0	11.0	11.0	0.00	719	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Utebayev, ArsenKAZ
+56.8
6.5 pts · #2
2Nurbergen, ArturKAZ
+56.8
8.0 pts · #1
3Amirov, ZakariyaKAZ
+52.0
6.0 pts · #4

Top rating losers

1Bektursynuly, DiasKAZ
-51.6
2.5 pts · #33
2Zhasulankyzy, MariyamKAZ
-49.2
3.5 pts · #17
3Mered, RaiymbekKAZ
-43.2
4.0 pts · #29

Biggest upsets

R2+126 Elo gap
Nugiyev, Tamerlan1424 beat Bektursynuly, Dias1550
R9+125 Elo gap
Nugiyev, Tamerlan1424 beat Mered, Raiymbek1549
R3+114 Elo gap
Turkmenbay, Nysanali1452 beat Zhasulankyzy, Mariyam1566