SPb B15 Championship Semifinal 2025

Open SwissStandard

61 players participated in this 7-round tournament, held from 26 Oct 2025 to 01 Nov 2025 in St. Petersburg, Russia. 2 federations represented. Top 10 Elo average was 1677, and top seed was Serafim Markov (🇷🇺 RUS, 1752).

Artyom Vereteshkin (🇷🇺 RUS, 1619) won with 6.5/7, ahead of Mikhail Bazhenkov (6.0) and Sergey Khalyapin (5.5). Vereteshkin won solo starting round 4.

The biggest upset came in round 5: Fedor Aniskin (1485) beat Serafim Markov (1752), a +267-point gap.

Location

🇷🇺St. Petersburg, Russia

Dates

26 Oct 2025 → 01 Nov 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 7 rounds

Top seed

🇷🇺Serafim Markov1752

Avg top 10

1,677

Participants

Federations · 2 represented

🇷🇺Russia×56

FIDE (no federation)×1

Top 3

🥇
Artyom Vereteshkin
🇷🇺RUS·1619
6.5pts·2027perf+101.2
🥈
Mikhail Bazhenkov
🇷🇺RUS·1751
6.0pts·1852perf+25.6
🥉
Sergey Khalyapin
🇷🇺RUS·1748
5.5pts·1807perf+19.6

How it unfolded

Top 6 · 7 rounds

Artyom Vereteshkin led from R4; +0.5-point edge over the runner-up.

Co-leaders

Vereteshkin6.5Bazhenkov6Khalyapin5.5Belyakov5Kondratyev5Piankov5

R4–R7 · LEAD HELD

Artyom Vereteshkin held the sole lead from R4 through R7 without losing it.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Artyom Vereteshkin drew with Mikhail Bazhenkov (Black).

WIN STREAKS · 3 top finishers

Artyom Vereteshkin 5 wins (R1–R5)Mikhail Bazhenkov 3 wins (R1–R3)Sergey Khalyapin 4 wins (R2–R5)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Artyom Vereteshkin	*	½	—	—
2Mikhail Bazhenkov	½	*	—	½
3Sergey Khalyapin	—	—	*	—
4Semen Belyakov	—	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Vereteshkin, Artyom	1619	RUS	+11B	+8N	+10B	+19N	+18B	=2N	+4B	6.5	28.5	32.5	29.50	2027	+101.2
2	Bazhenkov, Mikhail	1751	RUS	+21N	+41B	+23N	=5B	+9N	=1B	+7N	6.0	29.0	32.0	26.25	1852	+25.6
3	Khalyapin, Sergey	1748	RUS	−46B	+54N	+52B	+42N	+10B	=4N	+6B	5.5	22.0	24.0	19.00	1807	+19.6
4	Kondratyev, Alexey	1649	RUS	+31N	+15B	=9N	+25B	+5N	=3B	−1N	5.0	30.0	33.5	22.00	1732	+31.6
5	Belyakov, Semen	1577	RUS	+50B	+46N	+35B	=2N	−4B	+8N	=13B	5.0	25.5	27.5	17.25	1729	+56.8
6	Antonov, Savva Dm	1570	RUS	+47N	+39B	−18N	+36B	+24N	+12B	−3N	5.0	24.0	26.5	17.00	1621	+14.0
7	Piankov, Radim	1561	RUS	−39N	+61B	+34N	+35B	+23N	+18B	−2B	5.0	23.0	23.0	14.00	1662	+32.0
8	Nekrasov, Ivan And	1521	RUS	+30N	−1B	+49N	+26B	+22N	−5B	=9N	4.5	27.5	29.5	15.75	1616	+32.0
9	Ivanov, Andrei Al	1477	RUS	+56B	+38N	=4B	+14N	−2B	=13N	=8B	4.5	27.5	29.0	16.00	1658	+62.0
10	Doliner, Aleksei	1733	RUS	+51N	+49B	−1N	+20B	−3N	+34B	=14B	4.5	25.5	27.5	13.25	1628	-29.6
11	Mishin, Mikhail I	0	RUS	−1N	=30B	+56N	=15B	+41N	+25B	=27N	4.5	25.5	27.0	14.50	1583	0.0
12	Zolin, Artem	1553	RUS	+20B	−35N	+29B	+50N	+19B	−6N	=17B	4.5	24.5	26.5	16.25	1617	+22.8
13	Grigorov, Vladislav	1605	RUS	=37N	=34B	=21N	+30B	+31N	=9B	=5N	4.5	23.5	26.5	16.75	1566	-12.4
14	Lobanov, Roman P	1499	RUS	=59B	+32N	+44B	−9B	=26N	+22B	=10N	4.5	23.0	24.0	14.75	1640	+36.8
15	Gagarinov, Miroslav	1522	RUS	+57B	−4N	=45B	=11N	+37B	=35N	+30B	4.5	21.5	22.5	12.50	1520	-0.8
16	Gadasin, Ivan	1623	RUS	+53N	=44B	−24N	+47B	=25N	=21B	+31N	4.5	20.5	22.5	13.25	1610	-3.2
17	Lovchikov, Andrey A	1546	RUS	−49N	+60B	+57N	−22B	+36N	+23B	=12N	4.5	18.5	19.5	11.25	1559	+4.0
18	Parashchenko, Anton Rom	1540	RUS	F	+42N	+6B	+24B	−1N	−7N	+19B	4.0	27.5	27.5	16.00	1683	+38.8
19	Yankovskiy, Artem	1558	RUS	+58N	+22B	+26N	−1B	−12N	+20B	−18N	4.0	27.0	28.0	13.00	1577	+6.0
20	Uskov, Sevastian	1562	RUS	−12N	+27B	+28B	−10N	+29B	−19N	+40B	4.0	25.0	28.0	15.00	1626	+26.4
21	Samoilov, Roman D	1521	RUS	−2B	+55N	=13B	=37N	+38B	=16N	=26N	4.0	25.0	27.0	13.00	1625	+42.4
22	Nazarov, Mikhail Yu	1667	RUS	+29B	−19N	+46B	+17N	−8B	−14N	+34B	4.0	24.5	27.0	14.00	1571	-37.6
23	Nekrasov, Fedor And	1572	RUS	+55B	+36N	−2B	+38N	−7B	−17N	+37B	4.0	24.5	26.5	11.00	1604	+13.2
24	Kurguev, Dmitry	0	RUS	+28B	+43N	+16B	−18N	−6B	=40N	=35B	4.0	23.5	26.5	14.50	1547	0.0
25	Mikhailov, Timofey Ig	1563	RUS	=32B	+59N	+37B	−4N	=16B	−11N	+38B	4.0	23.5	24.5	11.00	1679	+24.8
26	Babaev, Adam	1501	RUS	+54B	+52N	−19B	−8N	=14B	+45N	=21B	4.0	21.5	23.5	10.75	1498	-0.8
27	Mersin, Timur	1615	RUS	−36B	−20N	+55B	=45N	+44B	+47N	=11B	4.0	19.0	21.0	10.50	1493	-33.2
28	Rakitianskii, Mikhail	1477	RUS	−24N	+51B	−20N	−34B	+60N	+36B	+52N	4.0	18.0	19.0	8.00	1485	+1.2
29	Kuznetsov, Vladislav And.	1476	RUS	−22N	+58B	−12N	+49B	−20N	+57B	+51N	4.0	17.5	18.5	6.00	1383	-18.0
30	Dmitrenko, Aleksandr	0	RUS	−8B	=11N	+48B	−13N	+46B	+33B	−15N	3.5	24.0	26.5	10.75	1474	0.0
31	Malyshev, Makar Pavlovich	1534	RUS	−4B	=56N	+32B	+44N	−13B	+48N	−16B	3.5	22.5	24.0	9.25	1499	-6.0
32	Khalizov, Anton	0	RUS	=25N	−14B	−31N	−40B	+49N	+61B	+48B	3.5	19.5	19.5	6.50	1480	0.0
33	Bragin, Konstantin	0	RUS	−38B	−50N	+61B	+58N	=45B	−30N	+44B	3.5	14.5	14.5	4.75	1405	0.0
34	Aniskin, Fedor	1485	RUS	=40B	=13N	−7B	+28N	+42B	−10N	−22N	3.0	25.0	28.0	10.75	1581	+32.8
35	Shtanko, Fedor	1464	RUS	F	+12B	−5N	−7N	+50B	=15B	=24N	3.0	25.0	25.0	10.75	1533	+20.8
36	Salaev, Mikhail	1479	RUS	+27N	−23B	+43B	−6N	−17B	−28N	+45B	3.0	24.5	27.0	9.50	1418	-19.6
37	Mamonov, Maksim	1490	RUS	=13B	+40N	−25N	=21B	−15N	+58B	−23N	3.0	24.0	25.0	8.25	1440	-15.2
38	Zaets, Lev	1574	RUS	+33N	−9B	+40N	−23B	−21N	+41B	−25N	3.0	23.0	26.0	9.50	1412	-52.4
39	Babak, Ivan A	1412	RUS	+7B	−6N	−42B	=52N	−48B	=43N	+50B	3.0	20.5	22.5	9.50	1485	+18.8
40	Shuntov, Andrey	1616	RUS	=34N	−37B	−38B	+32N	+53N	=24B	−20N	3.0	20.5	22.5	9.00	1205	-79.6
41	Timirshin, Igor	1500	RUS	+45B	−2N	−50B	+54N	−11B	−38N	+55B	3.0	20.0	22.0	6.50	1474	-7.2
42	Markov, Serafim	1752	RUS	+60N	−18B	+39N	−3B	−34N	−51B	+49N	3.0	19.5	20.5	6.00	1467	-70.8
43	Zagoskin, Fedor	0	RUS	+61N	−24B	−36N	=53B	−47N	=39B	+57N	3.0	15.5	15.5	3.50	1254	0.0
44	Vlashchenko, Ilya	1465	FID	+48B	=16N	−14N	−31B	−27N	+53B	−33N	2.5	22.5	24.5	6.75	1405	-15.6
45	Doktorov, Roman	1483	RUS	−41N	+53B	=15N	=27B	=33N	−26B	−36N	2.5	22.0	24.0	8.00	1283	-48.8
46	Polyakov, Aleksey Rom.	1571	RUS	+3N	−5B	−22N	=57B	−30N	+56B	F	2.5	22.0	23.0	7.50	1543	-3.6
47	Popov, Kirill Al	0	RUS	−6B	=48N	+59B	−16N	+43B	−27B	F	2.5	21.5	22.5	5.25	1258	0.0
48	Poyarkov, Mikhail	1512	RUS	−44N	=47B	−30N	+56B	+39N	−31B	−32N	2.5	18.5	20.0	5.75	1340	-28.0
49	Shutkov, Maksim	1506	RUS	+17B	−10N	−8B	−29N	−32B	+54N	−42B	2.0	24.0	26.0	6.50	1364	-36.0
50	Kostylev, Ivan D	1444	RUS	−5N	+33B	+41N	−12B	−35N	−52B	−39N	2.0	22.0	24.0	6.50	1214	-66.0
51	Pavlov, Artemiy	0	RUS	−10B	−28N	−53N	F	+54B	+42N	−29B	2.0	19.5	19.5	5.00	1415	0.0
52	Tsyplenkov, Mark	0	RUS	F	−26B	−3N	=39B	=57N	+50N	−28B	2.0	19.5	19.5	4.00	1368	-14.8
53	FIDE 540003760	0	—	−16B	−45N	+51B	=43N	−40B	−44N	=59N	2.0	17.5	18.5	4.00	747	0.0
54	FIDE 55895743	0	—	−26N	−3B	+60N	−41B	−51N	−49B	+61N	2.0	17.5	17.5	1.00	763	0.0
55	Smotrakov, Yurii	1466	RUS	−23N	−21B	−27N	+59N	−58B	+60B	−41N	2.0	17.0	18.0	2.00	749	-64.4
56	FIDE 522057269	0	—	−9N	=31B	−11B	−48N	+59B	−46N	F	1.5	18.5	19.5	2.75	1195	0.0
57	Gavrilov, Egor R	0	RUS	−15N	F	−17B	=46N	=52B	−29N	−43B	1.0	20.5	20.5	2.25	1264	0.0
58	Anufriev, Daniil	0	RUS	−19B	−29N	F	−33B	+55N	−37N	F	1.0	18.0	18.0	2.00	1307	0.0
59	Dembirel, Eker	0	RUS	=14N	−25B	−47N	−55B	−56N	F	=53B	1.0	16.5	16.5	3.25	1241	0.0
60	Khairutdinov, Roman	0	RUS	−42B	−17N	−54B	+61N	−28B	−55N	F	1.0	15.5	15.5	0.00	762	0.0
61	FIDE 540082105	0	—	−43B	−7N	−33N	−60B	F	−32N	−54B	0.0	18.0	18.0	0.00	759	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Vereteshkin, ArtyomRUS
+101.2
6.5 pts · #2
2Ivanov, Andrei AlRUS
+62.0
4.5 pts · #12
3Belyakov, SemenRUS
+56.8
5.0 pts · #3

Top rating losers

1Shuntov, AndreyRUS
-79.6
3.0 pts · #56
2Markov, SerafimRUS
-70.8
3.0 pts · #33
3Kostylev, Ivan DRUS
-66.0
2.0 pts · #47

Biggest upsets

R5+267 Elo gap
Aniskin, Fedor1485 beat Markov, Serafim1752
R2+212 Elo gap
Parashchenko, Anton Rom1540 beat Markov, Serafim1752
R1+177 Elo gap
Polyakov, Aleksey Rom.1571 beat Khalyapin, Sergey1748