35th NATO Chess Championship 2025

SwissStandard

116 players participated in this 7-round tournament, held from 17 Aug 2025 to 23 Aug 2025 in Deblin, Poland. 11 titled players from 8 federations. Top 10 Elo average was 2322, and top seed was Muhammed Batuhan Dastan (🇹🇷 TUR, GM, 2562).

Muhammed Batuhan Dastan (🇹🇷 TUR, GM, 2562) won with 6.5/7, ahead of Ataberk Eren (6.0) and Pijus Greicius (5.5). Dastan won solo starting round 6.

The biggest upset came in round 2: Daniel Thompson (2015) beat Robert Stein (FM, 2404), a +389-point gap.

Location

🇵🇱Deblin, Poland

Dates

17 Aug 2025 → 23 Aug 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 7 rounds

Top seed

🇹🇷GMMuhammed Batuhan Dastan2562

Avg top 10

2,322

Participants

116

Titled players · 11

GM×1

IM×2

FM×3

CM×3

WGM×1

WCM×1

Federations · 8 represented

🇺🇸United States of America×11

🇳🇱Netherlands×10

🇬🇧England×10

🇨🇦Canada×10

🇩🇪Germany×9

🇮🇹Italy×8

🇵🇱Poland×8

🇱🇹Lithuania×7

Top 3

🥇
GMMuhammed Batuhan Dastan
🇹🇷TUR·2562
6.5pts·2597perf+1.2
🥈
IMAtaberk Eren
🇹🇷TUR·2427
6.0pts·2452perf+2.1
🥉
Pijus Greicius
🇱🇹LTU·2120
5.5pts·2406perf+49.8

How it unfolded

Top 6 · 7 rounds

GM Muhammed Batuhan Dastan led from R6; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R6.

Co-leaders

Dastan6.5Eren6Tustanowski5.5Ozen5.5Shen5.5Greicius5.5

R6–R7 · LEAD HELD

GM Muhammed Batuhan Dastan held the sole lead from R6 through R7 without losing it.

WIN STREAKS · 3 top finishers

GM Muhammed Batuhan Dastan 6 wins (R1–R6)IM Ataberk Eren 5 wins (R1–R5)Mateusz Tustanowski 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMMuhammed Batuhan Dastan	*	—	½	—
2IMAtaberk Eren	—	*	—	—
3Mateusz Tustanowski	½	—	*	—
4IMDeniz Ozen	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Dastan, Muhammed BatuhanGM	2562	TUR	+89N	+24B	+9N	+14B	+29N	+19B	=5N	6.5	28.0	30.5	27.75	2597	+1.2
2	Eren, AtaberkIM	2427	TUR	+92B	+18N	+17B	+15N	+6B	=7N	=3B	6.0	29.5	32.0	26.75	2452	+2.1
3	Greicius, Pijus	2120	LTU	+75N	+21B	+16N	=8B	=4N	+9B	=2N	5.5	30.5	33.5	25.25	2406	+49.8
4	Ozen, DenizIM	2364	TUR	+62B	+13N	+31B	+30N	=3B	=15N	=10B	5.5	28.0	31.5	24.00	2365	+1.3
5	Tustanowski, Mateusz	2132	POL	+65N	=32B	=20N	+60B	+33N	+16B	=1B	5.5	27.0	30.5	23.00	2293	+26.2
6	Shen, ChristopherFM	2337	USA	+82N	+41B	=29N	+34B	−2N	+21B	+14N	5.5	27.0	30.0	22.00	2316	+0.8
7	Andersen, Hans-Christoph	2190	GER	+25N	+60B	=34N	=32B	+13N	=2B	=8N	5.0	28.5	32.0	22.50	2237	+10.8
8	Dedebas, Emre EminFM	2302	TUR	+45B	=11N	+53B	=3N	+31B	=10N	=7B	5.0	28.5	32.0	21.75	2260	-2.6
9	Jacob, Tobias	2147	GER	+97B	+55N	−1B	+40N	+36B	−3N	+15B	5.0	28.0	30.5	18.50	2239	+16.6
10	Stein, RobertFM	2404	GER	+84N	−37B	+88N	+54B	+17N	=8B	=4N	5.0	25.5	28.0	18.75	2276	-7.0
11	Cheung, Jan	2000	NED	+91N	=8B	=38N	=12B	=54N	+59B	+29N	5.0	25.0	27.5	18.75	2117	+18.8
12	Akin, Tolga	1768	TUR	−39B	+92N	+48B	=11N	=53B	+36N	+31B	5.0	24.5	27.0	18.75	2151	+68.8
13	Peraino, Andrew	2010	USA	+87B	−4B	+93N	+42N	−7B	+70N	+30B	5.0	24.0	26.5	16.00	2124	+15.0
14	Lami, Damiano	2177	ITA	+94B	+23N	+22B	−1N	=18B	+55N	−6B	4.5	29.0	31.5	17.25	2211	+6.8
15	Song, Samuel	2168	CAN	+108N	+47B	+33N	−2B	+32N	=4B	−9N	4.5	28.5	30.5	16.75	2194	+7.0
16	Bacak, Muhammed KaanCM	2224	TUR	+57B	+36N	−3B	+23N	=22B	−5N	+60B	4.5	27.5	31.0	17.75	2115	-16.4
17	Pietruszewski, MarcinCM	2130	POL	+93B	+46N	−2N	+20B	−10B	+53N	=18B	4.5	27.5	30.0	16.75	2188	+10.6
18	Wells, Daniel J	2016	ENG	+69N	−2B	+108N	+45B	=14N	=29B	=17N	4.5	26.5	28.5	16.00	2148	+24.0
19	Reizniece, DanaWGM	2237	LAT	F	+96N	+62B	+41B	+37N	−1N	=28B	4.5	25.0	25.0	16.25	2244	+3.8
20	Almonti, Alessandro	1984	ITA	=71B	+64N	=5B	−17N	+66B	=42N	+56B	4.5	24.5	27.5	16.75	2036	+9.8
21	Ivbulis, Martins	1939	LAT	+70B	−3N	+80B	+73N	=30B	−6N	+68B	4.5	24.5	27.5	14.50	2145	+24.8
22	Hadzicki, Tomasz	2044	POL	+50N	+88B	−14N	+72B	=16N	=30N	=23B	4.5	24.5	27.0	16.00	2115	+14.8
23	Alainis, Artis	1980	LAT	+105N	−14B	+75N	−16B	+64N	+38B	=22N	4.5	24.0	26.0	14.75	2085	+21.0
24	Schott, Guido	2016	GER	+98B	−1N	+79B	=56N	=70B	=35N	+61B	4.5	23.5	26.0	14.25	2038	+3.6
25	Szafranski, Maciej	1860	POL	−7B	=61N	=87B	+67N	+44B	=39N	+73B	4.5	23.0	25.5	15.50	2020	+29.2
26	Marquardt, Christian	2054	GER	=64B	=71N	+57B	=35N	=46B	=33N	+55B	4.5	22.5	25.5	16.25	1973	-11.6
27	Jauk, Wilhelm	2130	GER	=77N	+59B	−32N	=90B	+89N	=51B	+48N	4.5	21.0	23.5	14.75	1960	-24.0
28	Schnabel, Bennett	2020	GER	F	F	+81N	+93B	+65N	+54B	=19N	4.5	17.0	17.0	14.75	2292	+23.0
29	Michalowski, Patryk	2112	POL	+66B	+40N	=6B	+58N	−1B	=18N	−11B	4.0	29.0	32.5	16.00	2128	+2.0
30	Bohn, Ulrich	2154	GER	+72N	+51B	+37N	−4B	=21N	=22B	−13N	4.0	27.5	30.5	15.50	2076	-12.8
31	Ostling, Hakan	2126	SWE	+103B	+48N	−4N	+51B	−8N	+32B	−12N	4.0	27.5	29.5	14.00	2069	-7.6
32	Giedraitis, Mingaudas	1956	LTU	+78B	=5N	+27B	=7N	−15B	−31N	+70B	4.0	26.5	29.5	15.75	2077	+14.8
33	Jeselson, Andrew	1930	USA	+110B	+44N	−15B	+49N	−5B	=26B	=43N	4.0	26.5	28.0	13.75	2097	+26.2
34	Nilsson, Erik	2025	DEN	+96B	+80N	=7B	−6N	=35B	=46N	=40B	4.0	25.5	28.0	14.00	2020	-1.8
35	Stepanek, Stanislav	1918	CZE	+81N	=52B	=43N	=26B	=34N	=24B	=37N	4.0	25.0	28.0	15.50	2047	+20.8
36	Tocco, PaoloCM	1984	ITA	+100N	−16B	+77N	+38B	−9N	−12B	+74N	4.0	24.5	27.0	12.50	1970	-1.4
37	Thompson, Daniel	2015	CAN	+102B	+10N	−30B	+66N	−19B	=56N	=35B	4.0	24.5	26.5	14.25	2077	+21.2
38	Cichy, Kamil	2155	POL	+79B	=53N	=11B	−36N	+58B	−23N	+72B	4.0	23.5	26.5	13.75	1986	-28.6
39	Mautone, Valerio	2018	ITA	+12N	=74B	−54N	=63B	+90N	=25B	=51N	4.0	23.5	26.0	15.00	1911	-31.2
40	Heran-Boily, Samuel	1940	NOR	+106N	−29B	+59N	−9B	+74N	=43B	=34N	4.0	23.5	25.5	12.50	1893	-4.4
41	Kedzierski, Slawomir	1986	POL	+67B	−6N	+103B	−19N	=57B	+98N	=42B	4.0	23.5	25.5	11.75	2010	+3.8
42	Nguyen, Johnny	0	CAN	−58N	+104N	+83B	−13B	+82N	=20B	=41N	4.0	23.0	25.0	12.25	1953	0.0
43	Kersic, Matej	2062	SLO	+104B	=58N	=35B	=55N	=56B	=40N	=33B	4.0	22.5	24.5	13.25	1964	-17.2
44	Casteleijn, Diederick	2109	NED	+99N	−33B	−45N	+77B	−25N	+63B	+75N	4.0	22.0	24.5	12.00	1901	-33.8
45	Filipow, Mateusz	1875	POL	−8N	+91B	+44B	−18N	−73B	+102N	+78B	4.0	22.0	24.0	11.50	1991	+15.8
46	Pirs, Matjaz	1959	SLO	+114N	−17B	=63N	+109B	=26N	=34B	=52N	4.0	22.0	23.0	10.50	1980	+6.8
47	Randall, Gordon	1964	USA	+61B	−15N	−66B	+103N	=87B	+57N	=49B	4.0	21.5	23.5	12.25	1915	-6.6
48	Tenin, Aleksander	1949	ENG	+113B	−31B	−12N	+104N	+71B	+73N	−27B	4.0	21.5	22.5	9.00	1934	-1.8
49	Mestek, Igor	2057	SLO	=63N	+76B	=74N	−33B	=72N	+95B	=47N	4.0	20.5	23.0	12.25	1861	-24.6
50	Stepan, Petr	1796	CZE	−22B	−56N	+116B	=62N	=81B	+85N	+83B	4.0	20.5	20.5	9.25	1937	+23.6
51	Parker, Glen D	1962	ENG	+116B	−30N	+71B	−31N	+113B	=27N	=39B	4.0	20.5	20.5	8.25	1942	0.0
52	Circenis, Kaspars	2108	LAT	+109B	=35N	−58B	+94N	−55B	+88N	=46B	4.0	20.0	21.5	10.50	1956	-52.0
53	Cirkvencic, Franci	1972	SLO	+101N	=38B	−8N	+74B	=12N	−17B	=59N	3.5	25.0	27.5	11.75	1925	-6.4
54	Farrell, John	1904	USA	=95N	+107B	+39B	−10N	=11B	−28N	=64B	3.5	24.5	26.5	11.50	1957	+4.6
55	Pazeriene, Diana	1963	LTU	+111N	−9B	+99N	=43B	+52N	−14B	−26N	3.5	24.5	26.0	10.00	1990	+6.8
56	Briedis, Juris	1913	LAT	−59N	+50B	+113N	=24B	=43N	=37B	−20N	3.5	24.5	25.5	11.25	1975	+16.8
57	Krkoska, Jaroslav	1860	CZE	−16N	+67B	−26N	+69B	=41N	−47B	+91N	3.5	24.0	26.5	11.50	1912	+16.0
58	Violini, Paolo	1917	ITA	+42B	=43B	+52N	−29B	−38N	−61N	+98B	3.5	23.5	26.0	12.50	1909	-1.6
59	Spahi, Edvis	0	ALB	+56B	−27N	−40B	+97N	+85B	−11N	=53B	3.5	23.5	26.0	10.75	1965	0.0
60	Elezi, Xhezair	1974	ALB	+115B	−7N	+97B	−5N	=61B	+87N	−16N	3.5	23.5	24.5	7.75	1906	-18.8
61	Podolski, Edwin	1603	ENG	−47N	=25B	+76N	=88B	=60N	+58B	−24N	3.5	23.0	25.5	11.75	1911	+98.4
62	Adolfssen, Rico	1885	DEN	−4N	+69B	−19N	=50B	=76N	=90B	+100N	3.5	23.0	25.5	10.75	1904	-0.2
63	Bradley, William	1810	ENG	=49B	=85N	=46B	=39N	=68B	−44N	+88B	3.5	22.5	25.0	11.75	2003	+33.8
64	Voroblievas, Arturas	1805	LTU	=26N	−20B	+95N	=85N	−23B	+89B	=54N	3.5	22.5	25.0	10.50	1906	+14.8
65	Simard, Francois	1842	CAN	−5B	−70N	+78B	+80N	−28B	=71N	+87B	3.5	22.0	24.5	10.00	1794	-7.0
66	Woolf, Ben	1824	ENG	−29N	+106B	+47N	−37B	−20N	=76B	+95N	3.5	22.0	24.0	10.00	1816	-2.2
67	Oakes, David	1692	CAN	−41N	−57N	+92B	−25B	+93N	=84B	+90N	3.5	20.0	22.5	9.00	1878	+67.2
68	Van Drie, Rik	2015	NED	=76N	=90B	−72N	+75B	=63N	+91B	−21N	3.5	19.5	22.0	10.00	1814	-35.4
69	Kerns, William	1756	USA	−18B	−62N	+110B	−57N	=79B	+109N	+94B	3.5	18.5	20.0	7.00	1825	+19.6
70	Josso, Benjamin	0	NED	−21N	+65B	=84N	+82B	=24N	−13B	−32N	3.0	24.5	27.5	10.25	1884	0.0
71	Stikane, Evelina	1662	LAT	=20N	=26B	−51N	+86B	−48N	=65B	=84N	3.0	23.5	26.5	10.75	1886	+35.6
72	Porila, Andree	1849	EST	−30B	+78N	+68B	−22N	=49B	=83N	−38N	3.0	23.0	26.0	10.00	1936	+23.2
73	Sauer, Marko	2101	GER	=90N	=77B	+89N	−21B	+45N	−48B	−25N	3.0	22.5	25.0	9.25	1832	-48.4
74	Lavender, Lee	0	ENG	+83B	=39N	=49B	−53N	−40B	+103N	−36B	3.0	22.5	24.5	9.00	1913	0.0
75	Risk, Gregory	1826	USA	−3B	+110N	−23B	−68N	+80B	+113N	−44B	3.0	22.0	23.0	5.50	1256	-17.0
76	Echavarria Hidalgo, Fernando	1752	CAN	=68B	−49N	−61B	+114N	=62B	=66N	=79B	3.0	21.0	22.0	7.75	1772	+2.2
77	Korge, Kersti	1836	EST	=27B	=73N	−36B	−44N	+106B	−78N	+102B	3.0	20.5	22.5	7.75	1940	+11.4
78	Clybouw, Randee	0	BEL	−32N	−72B	−65N	+110B	+86N	+77B	−45N	3.0	20.5	22.0	7.50	1747	0.0
79	Wagenaar, Harm Theo	1852	NED	−38N	+105B	−24N	−91B	=69N	+99B	=76N	3.0	20.0	22.0	7.75	1787	-13.6
80	Ziuras, Tomas	0	LTU	+86N	−34B	−21N	−65B	−75N	+114B	+108N	3.0	20.0	21.0	6.00	1790	0.0
81	Muller, Tyler	0	CAN	−35B	=109N	−28B	+100B	=50N	−94N	+103B	3.0	19.5	21.0	7.25	1798	0.0
82	Rosseel, Kimball	1885	BEL	−6B	=87N	+115B	−70N	−42B	=96N	+107B	3.0	19.5	20.5	5.50	1851	-5.4
83	Driza, ArtaWCM	1938	ALB	−74N	+95B	−42N	+99B	=91N	=72B	−50N	3.0	19.0	21.5	7.75	1794	-15.2
84	Tucker, David S	1888	ENG	−10B	=102N	=70B	−87N	+104B	=67N	=71B	3.0	19.0	21.0	7.75	1760	-23.0
85	Dekker, Ard	1951	NED	=107N	=63B	=90N	=64B	−59N	−50B	+105N	3.0	19.0	21.0	7.75	1775	-22.8
86	Guzman, Dominique	1875	CAN	−80B	=115N	=102B	−71N	−78B	+106N	+113B	3.0	14.0	15.0	4.50	1553	-50.0
87	Yuzsever, Ihsan Cenk	1710	TUR	−13N	=82B	=25N	+84B	=47N	−60B	−65N	2.5	23.5	26.5	8.75	1816	+16.4
88	Skaburskis, Martynas	1910	LTU	+112B	−22N	−10B	=61N	+96B	−52B	−63N	2.5	23.0	24.5	5.75	1749	-52.4
89	Kruit, Erik	1903	NED	−1B	+98N	−73B	+102N	−27B	−64N	=96B	2.5	22.5	24.5	5.75	1842	-14.8
90	Ivsek, Cveto	1814	SLO	=73B	=68N	=85B	=27N	−39B	=62N	−67B	2.5	22.0	25.0	8.75	1868	+6.8
91	Stuhr, Finn	1709	DEN	−11B	−45N	+112B	+79N	=83B	−68N	−57B	2.5	22.0	23.5	6.00	1730	+2.2
92	Hater, David	1899	USA	−2N	−12B	−67N	+107B	=99N	=105B	=101N	2.5	21.5	23.5	5.50	1616	-45.6
93	Steffers, Hendrik	1840	NED	−17N	+111B	−13B	−28N	−67B	=112N	+109B	2.5	20.5	22.0	3.75	1747	-15.2
94	Bublys, Vaidotas	1858	LTU	−14N	=100B	+107N	−52B	−95N	+81B	−69N	2.5	20.0	22.0	6.25	1610	-23.6
95	Verzijden, Robert	0	NED	=54B	−83N	−64B	+115N	+94B	−49N	−66B	2.5	20.0	21.0	5.25	1758	0.0
96	O`Byrne, Daniel	1774	ENG	−34N	−19B	=101N	+105B	−88N	=82B	=89N	2.5	19.0	21.0	6.00	1779	-2.8
97	Middaugh, Jon S	1848	USA	−9N	+101B	−60N	−59B	=105N	−100B	+112B	2.5	19.0	20.5	5.00	1667	-24.6
98	Papler, Peter	1759	SLO	−24N	−89B	=114N	+101B	+109N	−41B	−58N	2.5	18.5	19.5	4.50	1725	-7.8
99	Coulon, Dominic	1821	CAN	−44B	+112N	−55B	−83N	=92B	−79N	+111B	2.5	17.5	19.0	4.25	1694	-19.6
100	Svarc, Valerij	1688	CZE	−36B	=94N	−109B	−81N	+114B	+97N	−62B	2.5	17.0	18.0	4.75	1762	+19.6
101	Cavinato, Ermes	1626	ITA	−53B	−97N	=96B	−98N	=111B	+115N	=92B	2.5	15.0	16.0	4.25	1676	+6.0
102	Windey, Luc	1738	BEL	−37N	=84B	=86N	−89B	+108N	−45B	−77N	2.0	19.5	21.5	5.00	1735	-2.0
103	Smit, Jan	1833	NED	−31N	+114B	−41N	−47B	+112N	−74B	−81N	2.0	19.5	20.5	2.50	1706	-12.6
104	Spatrisano, Diego	1814	ITA	−43N	−42B	+111N	−48B	−84N	−107B	+115N	2.0	18.5	19.5	2.50	1746	-9.2
105	Tatulli, Eugenio	1647	ITA	−23B	−79N	+106B	−96N	=97B	=92N	−85B	2.0	18.0	20.0	4.50	1611	-5.2
106	Hruban, Vladimir	0	CZE	−40B	−66N	−105N	+111B	−77N	−86B	+116N	2.0	17.0	17.0	1.50	1589	0.0
107	Heinat, Alar	0	EST	=85B	−54N	−94B	−92N	=115B	+104N	−82N	2.0	16.5	17.5	4.00	1691	0.0
108	Dowd, Patrick	1857	USA	−15B	+116N	−18B	−113N	−102B	+110N	−80B	2.0	16.5	16.5	1.50	1675	-38.0
109	Van Acker, Mark	1820	BEL	−52N	=81B	+100N	−46N	−98B	−69B	−93N	1.5	19.5	22.0	4.00	1579	-71.6
110	Malo, Artan	0	ALB	−33N	−75B	−69N	−78N	+116B	−108B	=114N	1.5	16.5	16.5	0.50	1547	0.0
111	Lionter, Vladimir	1557	USA	−55B	−93N	−104B	−106N	=101N	+116B	−99N	1.5	15.0	15.0	1.25	1575	-1.2
112	Van Den Branden, Lucas	0	BEL	−88N	−99B	−91N	+116N	−103B	=93B	−97N	1.5	14.5	14.5	1.25	1557	0.0
113	Hoxha, Gazmir	0	ALB	−48N	F	−56B	+108B	−51N	−75B	−86N	1.0	19.5	19.5	2.00	1624	0.0
114	Minnaert, Bob	1519	BEL	−46B	−103N	=98B	−76B	−100N	−80N	=110B	1.0	17.0	18.5	2.00	1424	-8.2
115	Chapman, Chas	1633	ENG	−60N	=86B	−82N	−95B	=107N	−101B	−104B	1.0	16.5	18.5	2.50	1469	-15.6
116	Ghiacy, Jelani	1550	CAN	−51N	−108B	−50N	−112B	−110N	−111N	−106B	0.0	15.0	16.5	0.00	990	-36.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Podolski, EdwinENG
+98.4
3.5 pts · #37
2Akin, TolgaTUR
+68.8
5.0 pts · #11
3Oakes, DavidCAN
+67.2
3.5 pts · #46

Top rating losers

1Van Acker, MarkBEL
-71.6
1.5 pts · #107
2Skaburskis, MartynasLTU
-52.4
2.5 pts · #99
3Circenis, KasparsLAT
-52.0
4.0 pts · #22

Biggest upsets

R2+389 Elo gap
Thompson, Daniel2015 beat FMStein, Robert2404
R7+358 Elo gap
Akin, Tolga1768 beat Ostling, Hakan2126
R6+314 Elo gap
Podolski, Edwin1603 beat Violini, Paolo1917