Rostov Region Championship 2025 B-15 Standard

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38 players participated in this 9-round tournament, held from 25 Jun 2025 to 01 Jul 2025 in Rostov-on-Don, Russia. 2 federations represented. Top 10 Elo average was 1741, and top seed was Nikolay Birmenko ( FID, 2005).

Andrey Kryakvin (🇷🇺 RUS, 1977) won with 7.5/9, ahead of Ivan Kolmagorov (6.5) and Martin Elamiryan (6.5). Kryakvin shared the lead from round 7 and broke clear in the final round.

The biggest upset came in round 9: Gleb Fomenko (1575) beat Martin Elamiryan (1858), a +283-point gap.

Location

🇷🇺Rostov-on-Don, Russia

Dates

25 Jun 2025 → 01 Jul 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

Nikolay Birmenko2005

Avg top 10

1,741

Participants

Federations · 2 represented

🇷🇺Russia×33

FIDE (no federation)×1

Top 3

🥇
Andrey Kryakvin
🇷🇺RUS·1977
7.5pts·2108perf+20.8
🥈
Ivan Kolmagorov
🇷🇺RUS·1657
6.5pts·1819perf+66.8
🥉
Martin Elamiryan
🇷🇺RUS·1858
6.5pts·1840perf+1.2

How it unfolded

Top 6 · 9 rounds

Andrey Kryakvin led from R9; +1.0-point edge over the runner-up.

Co-leaders

Kryakvin7.5Elamiryan6.5Kolmagorov6.5Cherkashin6.5Fomenko6Kilo6

R6 · LEADER CHANGE28 Jun

Martin Elamiryan takes the sole lead (5.5/6).

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Andrey Kryakvin beat Martin Elamiryan (Black).

WIN STREAKS · 3 top finishers

Andrey Kryakvin 6 wins (R3–R9)Martin Elamiryan 3 wins (R1–R3)Ivan Kolmagorov 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Andrey Kryakvin	*	1	1	1
2Martin Elamiryan	0	*	1	½
3Ivan Kolmagorov	0	0	*	1
4Matvey Cherkashin	0	½	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Kryakvin, Andrey	1977	RUS	+10B	=5N	+9B	F	+2N	+4B	+3N	+13B	+12N	7.5	46.5	48.5	43.50	2108	+20.8
2	Kolmagorov, Ivan	1657	RUS	+15N	+12B	+7N	+11B	−1B	−3N	+14N	+4B	=8N	6.5	47.0	52.0	35.25	1819	+66.8
3	Elamiryan, Martin	1858	RUS	+18N	+23B	+13N	=4B	+11N	+2B	−1B	+6N	−7B	6.5	47.0	51.0	34.25	1840	+1.2
4	Cherkashin, Matvey	1815	RUS	+32B	+33N	+36B	=3N	+5B	−1N	+6B	−2N	+11B	6.5	43.0	45.0	27.75	1897	+36.4
5	Kilo, Matvey	1608	RUS	+26N	=1B	+20N	+13B	−4N	−7B	=12N	+22B	+14N	6.0	43.5	47.0	28.25	1690	+36.0
6	Sokolov, Denis D	1597	RUS	−20N	+28B	+27N	+18B	+7N	+12B	−4N	−3B	+13N	6.0	41.5	45.0	27.50	1749	+47.6
7	Fomenko, Gleb	1575	RUS	+38B	+22N	−2B	+33N	−6B	+5N	=11N	=12B	+3N	6.0	41.5	42.0	24.50	1716	+58.0
8	Sokolov, Mikhail D	1489	RUS	+28N	=20B	−14N	=10B	=9B	+29N	+18B	=11N	=2B	5.5	40.0	43.5	25.00	1564	+18.8
9	Semeno, Andrey	0	RUS	=17N	+?B	−1N	+20B	=8N	−11B	=24N	+26B	+19N	5.5	39.5	39.5	19.75	1596	0.0
10	Shamov, Fedor	1504	RUS	−1N	=26B	+30N	=8N	−19B	=34B	+27N	+24B	+18N	5.5	36.5	38.5	21.00	1600	+10.8
11	Kilo, Ilya	1706	RUS	+16B	+21N	+19B	−2N	−3B	+9N	=7B	=8B	−4N	5.0	46.0	50.5	25.25	1526	-64.8
12	Zhirkov, German	1435	RUS	+25B	−2N	+15B	+19N	+22B	−6N	=5B	=7N	−1B	5.0	45.5	49.5	23.50	1498	+17.6
13	Sayadov, Ruslan	1535	RUS	+31N	+27B	−3B	−5N	+16B	+33N	+22B	−1N	−6B	5.0	41.5	44.0	18.00	1567	-34.0
14	Berov, Valeriy	1527	RUS	+35B	−36N	+8B	−22N	+15B	+19N	−2B	+16N	−5B	5.0	38.5	40.5	22.00	1390	-35.2
15	Golenishchev, Sergey	0	RUS	−2B	+34N	−12N	+24B	−14N	+30B	+23N	−18B	+31N	5.0	35.5	37.5	16.50	1274	-60.8
16	Luspikaev, Andrey	0	RUS	−11N	−24B	+28N	+37B	−13N	+17N	+31B	−14B	+23N	5.0	34.5	35.5	16.50	1427	0.0
17	Zimovnov, Kirill	0	RUS	=9B	−19N	+31N	=23B	−27N	−16B	+37N	+34B	+22N	5.0	31.5	32.5	14.75	1552	0.0
18	Boldyrev, Dmitriy	1407	RUS	−3B	+35N	+21B	−6N	=29B	+27B	−8N	+15N	−10B	4.5	40.0	42.0	16.75	1342	-18.0
19	Ermilov, Mikhail	0	RUS	+?N	+17B	−11N	−12B	+10N	−14B	=33B	+21N	−9B	4.5	38.0	38.0	16.25	1544	0.0
20	Kireenko, Ivan	0	RUS	+6B	=8N	−5B	−9N	−?B	+35N	−21B	+32N	+26B	4.5	36.0	36.0	17.25	1388	0.0
21	Bogunov, Stepan	1512	RUS	+24N	−11B	−18N	=30B	=31N	=26B	+20N	−19B	+27N	4.5	33.0	36.0	17.00	771	-34.4
22	Volkanov, Kirill	1500	RUS	+30N	−7B	+37N	+14B	−12N	+23B	−13N	−5N	−17B	4.0	39.5	40.5	13.50	1430	-22.4
23	Deryagin, Konstantin	1547	RUS	+34B	−3N	=29B	=17N	+32B	−22N	−15B	+25N	−16B	4.0	36.0	38.0	13.25	879	-29.6
24	FIDE 55885071	0	—	−21B	+16N	−33B	−15N	+28N	+32B	=9B	−10N	=29B	4.0	35.5	38.0	16.00	742	0.0
25	Vaschilov, Demyan	0	RUS	−12N	=31B	−26N	−28B	+38N	=37B	+32N	−23B	+34N	4.0	25.0	25.5	7.50	695	0.0
26	Sabidov, Aleksandr	0	RUS	−5B	=10N	+25B	=29N	−33B	=21N	+28B	−9N	−20N	3.5	37.0	39.5	14.25	1359	0.0
27	Kravchenko, Dmitrii	0	RUS	+37B	−13N	−6B	=34N	+17B	−18N	−10B	+35N	−21B	3.5	34.5	35.5	9.00	736	0.0
28	FIDE 540031853	0	—	−8B	−6N	−16B	+25N	−24B	+38B	−26N	+37N	=35B	3.5	31.0	31.5	6.50	744	0.0
29	Kurilov, Mikhail	0	RUS	−36B	+38N	=23N	=26B	=18N	−8B	=34N	−31B	=24N	3.5	28.5	29.0	9.50	1423	0.0
30	FIDE 540060330	0	—	−22B	+32N	−10B	=21N	=34B	−15N	−35B	=38N	+37B	3.5	27.0	27.5	7.50	1232	0.0
31	Merinov, Yaroslav	0	RUS	−13B	=25N	−17B	+38N	=21B	F	−16N	+29N	−15B	3.0	32.5	32.5	8.25	1394	0.0
32	Chakiridi, Matvey	0	RUS	−4N	−30B	+35N	+?B	−23N	−24N	−25B	−20B	+38N	3.0	29.0	29.0	2.50	1502	0.0
33	Pukhovskiy, Mikhail	1611	RUS	F	−4B	+24N	−7B	+26N	−13B	=19N	F	F	2.5	29.5	29.5	9.75	884	-48.8
34	Kadyrov, Aleksey	0	RUS	−23N	−15B	F	=27B	=30N	=10N	=29B	−17N	−25B	2.0	34.0	34.0	8.00	1340	0.0
35	FIDE 540059413	0	—	−14N	−18B	−32B	F	=37N	−20B	+30N	−27B	=28N	2.0	28.5	28.5	5.75	664	0.0
36	Birmenko, Nikolay	2005	FID	+29N	+14B	−4N	F	F	F	F	F	F	2.0	22.5	22.5	8.50	1710	-26.8
37	Budanov, Vladislav	0	RUS	−27N	F	−22B	−16N	=35B	=25N	−17B	−28B	−30N	1.0	30.5	30.5	3.00	700	0.0
38	Goncharov, Dmitriy N	0	RUS	−7N	−29B	−?N	−31B	−25B	−28N	F	=30B	−32B	0.5	26.5	26.5	1.75	739	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Kolmagorov, IvanRUS
+66.8
6.5 pts · #3
2Fomenko, GlebRUS
+58.0
6.0 pts · #5
3Sokolov, Denis DRUS
+47.6
6.0 pts · #7

Top rating losers

1Kilo, IlyaRUS
-64.8
5.0 pts · #11
2Golenishchev, SergeyRUS
-60.8
5.0 pts · #24
3Pukhovskiy, MikhailRUS
-48.8
2.5 pts · #38

Biggest upsets

R9+283 Elo gap
Fomenko, Gleb1575 beat Elamiryan, Martin1858
R3+190 Elo gap
Cherkashin, Matvey1815 beat Birmenko, Nikolay2005
R8+158 Elo gap
Kolmagorov, Ivan1657 beat Cherkashin, Matvey1815