KNSB FIDE
ST

Stefan Tabak

Rated since January 2023

RIVALRY

Nemesis
Smeets, K. (Kobe)
Games: 3 · Win rate: 33%
Kryptonite
Man, K. (Kenji)
Games: 4 · Win rate: 25%
Easy Target
Geerlings, V. (Vincent)
Games: 4 · Win rate: 100%

The good & the bad

Best wins
SLAGBOOM, L. (LEANDRO) (FM) 2386
11017 KNSB competitie 2024-2025 Meesterklasse ronde 8 · Saturday 5 April 2025
LOPEZ, J.J. (JASEL JUSTO) (IM) 2382
9643 KNSB competitie 2024-2025 Klasse 4 ronde 2 · Saturday 12 October 2024
FOREEST VAN, M. (MACHTELD) (FM) 2364
8250 16e BPB Limburg Open 2024 Groep A · Friday 17 May 2024
ARNOLD, R.N.R. (RHYS) (FM) 2287
11900 Charlois Europoort Rapid en Blitz competitie Blitz december · Friday 19 December 2025
BOSMAN, M.J.T. (MICHIEL) (IM) 2280
13524 KNSB competitie 2025-2026 Meesterklasse ronde 9 · Saturday 11 April 2026
Worst losses
PERLOG, C.P. (CRISTIAN) 1636
11447 Open Blitzkampioenschap Charlois Europoort Voorjaar 2025 Open Snelsc… · Friday 27 June 2025
HE, TOM JUNDE (CM) 1759
JSCA Rilton Blitz 2026 · Thursday 1 January 2026
AGRAWAL, S.A. (SHIVAM) 1770
11447 Open Blitzkampioenschap Charlois Europoort Voorjaar 2025 Open Snelsc… · Friday 27 June 2025
TANG, YIHENG 1778
Rilton U2200 2024-2025 · Friday 3 January 2025
EL HENDAWY, OMAR 1780
11447 Open Blitzkampioenschap Charlois Europoort Voorjaar 2025 Open Snelsc… · Friday 27 June 2025
Belgian Interclubs Round 2025-2026 Ronde 10 Sunday 29 March 2026 +1–0=0 +8.4
Belgian Interclubs Round 2025-2026 Ronde 9 Sunday 15 March 2026 +1–0=0 +11.0
Belgian Interclubs Round 2025-2026 Ronde 8 Sunday 1 March 2026 +1–0=0 +3.5
85e Daniel Noteboomtoernooi Groep A Friday 20 February 2026 +6–2=4 +59.2
Belgian Interclubs Round 2025-2026 Ronde 7 Sunday 8 February 2026 +0–0=1 +5.3
Charlois Europoort Rapid en Blitz competitie Rapid Februari Friday 6 February 2026 +6–2=2 -19.9
Belgian Interclubs Round 2025-2026 Ronde 6 Sunday 25 January 2026 +0–2=0 -19.0
Tata Steel Chess Tournament 2026 Weekendvierkampem Friday 16 January 2026 +1–1=1 +12.9
Rilton U2200 2025-2026 Saturday 27 December 2025 +4–4=10 -101.3
Charlois Europoort Rapid en Blitz competitie Blitz december Friday 19 December 2025 +7–2=2 +27.6
Belgian Interclubs Round 2025-2026 Ronde 5 Sunday 7 December 2025 +0–0=1 -5.2
Belgian Interclubs Round 2025-2026 Ronde 4 Sunday 23 November 2025 +0–1=0 -10.9
Belgian Interclubs Round 2025-2026 Ronde 3 Sunday 16 November 2025 +0–1=0 -5.4
Charlois Europoort Rapid en Blitz competitie Rapid november Friday 14 November 2025 +3–1=1 +1.2
Belgian Interclubs Round 2025-2026 Ronde 2 Sunday 12 October 2025 +1–0=0 +5.3
Charlois Europoort Rapid en Blitz competitie Charlois Europoort Blit… Friday 10 October 2025 +10–0=0 +44.5
KNSB competitie 2025-2026 Meesterklasse ronde 9 Saturday 20 September 2025 +1–0=0 +18.6
KNSB competitie 2025-2026 Meesterklasse ronde 4 Saturday 20 September 2025 +0–1=0 -2.9
KNSB competitie 2025-2026 Meesterklasse ronde 3 Saturday 20 September 2025 +0–1=0 -5.0
KNSB competitie 2025-2026 Meesterklasse ronde 2 Saturday 20 September 2025 +0–1=0 -5.2
Open Blitzkampioenschap Charlois Europoort Voorjaar 2025 Open Snelsc… Friday 27 June 2025 +7–4=0 -38.5
HSG Open 2025 Groep A Friday 20 June 2025 +1–2=1 -25.6
Open interne competitie Charlois Europoort Interne ronde 2 t/m 4 Friday 21 February 2025 +0–1=1 -11.5
Tata Steel Chess Tournament 2025 Weekendvierkampen Friday 17 January 2025 +3–0=0 +23.4
KNSB competitie 2024-2025 Meesterklasse ronde 9 Saturday 21 September 2024 +1–0=0 +13.2
KNSB competitie 2024-2025 Meesterklasse ronde 8 Saturday 21 September 2024 +1–0=0 +21.1
KNSB competitie 2024-2025 Meesterklasse ronde 6 Saturday 21 September 2024 +0–1=0 -3.5
KNSB competitie 2024-2025 Meesterklasse ronde 4 Saturday 21 September 2024 +0–1=0 -5.9
KNSB competitie 2024-2025 Meesterklasse ronde 3 Saturday 21 September 2024 +1–0=0 +4.4
HSG Open 2024 Groep A Friday 21 June 2024 +3–0=0 +10.3
16e BPB Limburg Open 2024 Groep A Friday 17 May 2024 +3–3=1 +23.6
Tata Steel Chess Tournament 2024 Weekendvierkampen Friday 12 January 2024 +0–1=2 +1.7
15e BPB Limburg Open 2023 Groep A Friday 26 May 2023 +1–3=3 -42.1
Tata Steel Chess Tournament 2023 Weekendvierkampen Friday 13 January 2023 +2–0=1 +22.4
JSCA Rilton Blitz 2026 Thursday 1 January 2026 +12–8=0 -58.6
Belgian Interclubs Round 2025-2026 Ronde 1 Sunday 28 September 2025 +0–1=0 -5.4
KNSB competitie 2025-2026 Klasse 4 ronde 6 Saturday 20 September 2025 +0–1=0 -14.9
KNSB competitie 2025-2026 Klasse 4 ronde 8 Saturday 20 September 2025 +1–0=0 +6.0
KNSB competitie 2025-2026 Klasse 4 ronde 7 Saturday 20 September 2025 +0–0=2 -8.8
KNSB competitie 2025-2026 KNSB Beker ronde 2 voor januari rating Saturday 20 September 2025 +1–0=0 +14.5
KNSB competitie 2025-2026 Klasse 4 ronde 5 Saturday 20 September 2025 +1–0=0 +6.5
KNSB competitie 2025-2026 Klasse 4 ronde 1 Saturday 20 September 2025 +1–0=0 +14.2
RSB Competitie 2025-2026 Viertallen april Monday 1 September 2025 +1–0=0 +5.9
RSB Competitie 2025-2026 Achttallen maart Monday 1 September 2025 +0–0=1 +0.4
RSB Competitie 2025-2026 Achttallen februari Monday 1 September 2025 +2–0=0 +7.1
RSB Competitie 2025-2026 Achtallen december Monday 1 September 2025 +1–0=0 +8.6
RSB Competitie 2025-2026 Achtallen november Monday 1 September 2025 +1–0=0 +12.5
Open competitie Charlois Europoort November CE November Monday 1 September 2025 +1–0=0 +7.5
RSB Competitie 2025-2026 Achttallen september Monday 1 September 2025 +0–0=1 +7.9
34th OPEN CHESS TOURNAMENT OF KAVALA VASILIS THEODORIDIS A Monday 28 July 2025 +3–5=1 -14.5
Warsaw Chess Festival - XXIV Miguel Najdorf Memorial -group A Tuesday 8 July 2025 +3–5=0 -21.5
Int. Graz Open 2025 - A Saturday 15 February 2025 +3–6=0 -79.0
Rilton U2200 2024-2025 Friday 27 December 2024 +6–2=1 -7.5
KNSB competitie 2024-2025 Klasse 4 ronde 7 Saturday 21 September 2024 +0–0=1 -6.6
KNSB competitie 2024-2025 KNSB Beker ronde 2 voor januarilijst Saturday 21 September 2024 +0–0=1 -3.1
KNSB competitie 2024-2025 Klasse 4 ronde 5 Saturday 21 September 2024 +1–0=0 +1.6
KNSB competitie 2024-2025 Klasse 4 ronde 2 Saturday 21 September 2024 +1–0=0 +16.6
KNSB competitie 2024-2025 Klasse 4 ronde 1 Saturday 21 September 2024 +1–0=0 +7.7
RSB Competitie 2024-2025 Bekerfinale Sunday 1 September 2024 +1–0=0 +15.4
RSB Competitie 2024-2025 8-tallen mei Sunday 1 September 2024 +0–1=0 -12.3
RSB Competitie 2024-2025 8-tallen april Sunday 1 September 2024 +1–0=0 +4.3
RSB Competitie 2024-2025 Beker ronde 2 Sunday 1 September 2024 +1–0=0 +1.2
RSB Competitie 2024-2025 8-tallen oktober Sunday 1 September 2024 +0–0=1 -2.4
Lewis Chess Legends Open 2024 Tuesday 6 August 2024 +3–3=3 -11.5
40 Open Internacional Andorra Saturday 20 July 2024 +3–3=3 -17.8
KNSB competitie 2023-2024 Klasse 1 ronde 9 Saturday 16 September 2023 +1–0=0 +14.7
KNSB competitie 2023-2024 Klasse 1 ronde 8 Saturday 16 September 2023 +1–0=0 +16.2
KNSB competitie 2023-2024 Klasse 1 ronde 7 Saturday 16 September 2023 +1–0=0 +13.0
KNSB competitie 2023-2024 Klasse 1 ronde 6 Saturday 16 September 2023 +0–1=0 -12.4
KNSB competitie 2023-2024 Klasse 1 ronde 5 Saturday 16 September 2023 +1–0=0 +13.0
KNSB competitie 2023-2024 KNSB Beker 2023-2024 voor januarilijst Saturday 16 September 2023 +0–1=0 -4.2
KNSB competitie 2023-2024 Klasse 1 ronde 4 Saturday 16 September 2023 +0–1=0 -5.7
KNSB competitie 2023-2024 Klasse 1 ronde 3 Saturday 16 September 2023 +0–0=1 +0.5
KNSB competitie 2023-2024 Klasse 1 ronde 2 Saturday 16 September 2023 +1–0=0 +15.2
KNSB competitie 2023-2024 Klasse 1 ronde 1 Saturday 16 September 2023 +0–0=1 +1.5
RSB Competitie 2023-2024 8-tallen maart Friday 1 September 2023 +1–0=0 +6.0
RSB Competitie 2023-2024 4-tallen maart Friday 1 September 2023 +1–0=0 +6.5
Chess Festival Groningen Open A Wednesday 21 December 2022 +2–4=3 -5.3
KNSB competitie 2022-2023 Klasse 1 ronde 9 Saturday 17 September 2022 +0–0=1 +4.8
KNSB competitie 2022-2023 Klasse 1 ronde 8 Saturday 17 September 2022 +0–0=1 +5.8
KNSB competitie 2022-2023 Klasse 1 ronde 7 Saturday 17 September 2022 +0–0=1 +7.8
KNSB competitie 2022-2023 Klasse 1 ronde 6 Saturday 17 September 2022 +1–0=0 +7.1
KNSB competitie 2022-2023 Beker ronde 3 Saturday 17 September 2022 +0–1=0 -4.4
KNSB competitie 2022-2023 Klasse 1 ronde 5 Saturday 17 September 2022 +0–0=1 +10.0
KNSB competitie 2022-2023 Beker ronde 2 Saturday 17 September 2022 +0–1=0 -13.5
KNSB competitie 2022-2023 Klasse 1 ronde 4 Saturday 17 September 2022 +1–0=0 +5.4
RSB Competitie 2022-2023 8-tallen juli Thursday 1 September 2022 +0–1=0 -17.2
RSB Competitie 2022-2023 4-tallen juni Thursday 1 September 2022 +1–0=0 +2.1
RSB Competitie 2022-2023 8-tallen mei Thursday 1 September 2022 +0–1=0 -6.8
RSB Competitie 2022-2023 Beker ronde 4 Thursday 1 September 2022 +0–1=0 -4.2
RSB Competitie 2022-2023 4-tallen mei Thursday 1 September 2022 +0–0=1 -2.0
RSB Competitie 2022-2023 8-tallen april Thursday 1 September 2022 +0–0=1 -1.0
RSB Competitie 2022-2023 Beker ronde 3 Thursday 1 September 2022 +1–0=0 +6.5
RSB Competitie 2022-2023 8-tallen maart Thursday 1 September 2022 +0–0=1 -5.7
RSB Competitie 2022-2023 8-tallen januari Thursday 1 September 2022 +0–0=1 -0.5
RSB Competitie 2022-2023 4-tallen januari Thursday 1 September 2022 +0–0=1 -1.5

Rating History

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Peak Ratings

Classic 2205 Feb. 1, 2025
Rapid 2090 Dec. 1, 2025
Blitz 2157 Jan. 1, 2026

Games

Wins 127
Losses 82
Draws 60
Win Rate 47%

Performance by Color

Color Wins Draws Losses Win Rate
White 68 28 37 51%
Black 59 32 45 43%

Recent Matches

Berkel van, A.P.J. (Anton) (1886) Monday 13 April 2026 WIN +5.9
IM Bosman, M.J.T. (Michiel) (2280) Saturday 11 April 2026 WIN +18.6
Mareels Dutry, Jasper (1975) Sunday 29 March 2026 WIN +8.4
Zalm van der, M. (Marnix) (2027) Saturday 28 March 2026 LOSS -14.9
Gupta, A. (Akul) (2052) Sunday 15 March 2026 WIN +11.0
FM Timmerman, G.J. (Gert) (2108) Friday 13 March 2026 DRAW +0.4
Bosch van den, W.L.P. (William) (1895) Saturday 7 March 2026 WIN +6.0
Herrygers, Rik (1786) Sunday 1 March 2026 WIN +3.5
Vlokhoven van, F.J.M. (Franka) (1832) Tuesday 24 February 2026 WIN +3.6
Vlokhoven van, F.J.M. (Franka) (1832) Tuesday 24 February 2026 WIN +3.6
Berkelmans, T. (Tom) (2049) Sunday 22 February 2026 WIN +9.3
IM Admiraal, M. (Miguoel) (2454) Sunday 22 February 2026 LOSS -3.0
Berkelmans, T. (Tom) (2049) Sunday 22 February 2026 WIN +9.3
IM Admiraal, M. (Miguoel) (2454) Sunday 22 February 2026 LOSS -3.0
FM Smeets, K. (Kobe) (2328) Saturday 21 February 2026 DRAW +6.1
FM Dijk van, H. (Harold) (2231) Saturday 21 February 2026 WIN +15.2
FM Smeets, K. (Kobe) (2328) Saturday 21 February 2026 DRAW +6.1
FM Dijk van, H. (Harold) (2231) Saturday 21 February 2026 WIN +15.2
Wilbrink, M. (Marijn) (1979) Friday 20 February 2026 WIN +7.2
Busa, R. (Ryan) (1962) Friday 20 February 2026 DRAW -5.2