KNSB FIDE
AP

Alexander Polak

Rated since January 2023

2133 Classic
2272 Rapid
2242 Blitz

RIVALRY

Nemesis
Goudriaan, R. (Rafael)
Games: 3 · Win rate: 33%
Kryptonite
Pham, K.V. (Khoi)
Games: 3 · Win rate: 0%

The good & the bad

Best wins
DELFT VAN, M. (MERIJN) (IM) 2369
Berserkers Blitz · Saturday 30 August 2025
ELGERSMA, O.J. (ONNO) (FM) 2357
Berserkers Blitz · Saturday 30 August 2025
SMEETS, K. (KOBE) (FM) 2346
Berserkers Blitz · Saturday 30 August 2025
ROVER DE, Y.H. (YONG HOON) (IM) 2326
13973 SGA Rapidcompetitie 2026 Hoofdklasse voorronde · Tuesday 2 June 2026
TONDIVAR, B. (BABAK) (FM) 2326
11249 KNSB competitie 2024-2025 Klasse 1 ronde 9 · Saturday 10 May 2025
Worst losses
DEKKER, C.C. (CASPER) 1884
8784 11e Best of the West Groep A, ronde 5 · Saturday 6 April 2024
SZARVAS, NORA 1888
Budapest Spring Festival 2026 - U2250 · Friday 6 March 2026
SPIGA, GIOVANNI 1902
19th Palaiochora International Tournament 2026 A · Monday 20 July 2026
MARINIDIS, STAVROS 1903
19th Palaiochora International Tournament 2026 A · Saturday 25 July 2026
KOVACS, REKA (WFM) 1920
Budapest Spring Festival 2026 - U2250 · Saturday 7 March 2026
19th Palaiochora International Tournament 2026 A Saturday 18 July 2026 +4–4=1 -12.7
Amsterdam Chess Festival Blitz 2026 + NK Studenten Blitz Groep A Friday 10 July 2026 +7–5=1 -12.8
TAPIJTGIGANT OPEN ASK 2026 Groep A Saturday 4 April 2026 +3–0=1 +16.3
Budapest Spring Festival 2026 - U2250 Friday 27 February 2026 +3–4=2 -52.1
2026 Chess.com Botwinnik Open Groep A Friday 2 January 2026 +2–3=0 -17.9
KNSB competitie 2025-2026 Meesterklasse ronde 5 Saturday 20 September 2025 +0–1=0 -8.6
NK Snelschaken 2025 Groep A Saturday 13 September 2025 +18–8=0 +21.6
Berserkers Blitz Saturday 30 August 2025 +8–7=5 +45.6
2025 Chess.com Botwinnik Rapid toernooi Groep A Saturday 4 January 2025 +4–2=1 -7.1
Amsterdam Chess Open Groep A Friday 27 October 2023 +2–2=2 -23.3
SGA Rapidcompetitie 2026 Hoofdklasse voorronde Wednesday 20 May 2026 +6–1=2 +47.4
SGA Competitie 2025-2026 Hoofdklasse ronde 7 Wednesday 1 October 2025 +0–0=1 +3.7
SGA Competitie 2025-2026 Hoofdklasse ronde 6 en 7 Wednesday 1 October 2025 +1–0=0 +11.9
SGA Competitie 2025-2026 Hoofdklasse ronde 4 Wednesday 1 October 2025 +0–1=0 -7.2
SGA Competitie 2025-2026 Hoofdklasse ronde 3 Wednesday 1 October 2025 +1–0=0 +4.5
SGA Competitie 2025-2026 Hoofdklasse ronde 2 Wednesday 1 October 2025 +0–0=1 +4.4
SGA Competitie 2025-2026 Hoofdklasse ronde 1 Wednesday 1 October 2025 +1–0=0 +11.1
KNSB competitie 2025-2026 Klasse 1 ronde 9 Saturday 20 September 2025 +0–1=0 -5.5
KNSB competitie 2025-2026 Klasse 1 ronde 6 Saturday 20 September 2025 +1–0=0 +6.2
KNSB competitie 2025-2026 Klasse 1 ronde 7 Saturday 20 September 2025 +1–0=0 +7.7
KNSB competitie 2025-2026 Klasse 1 Ronde 4 Saturday 20 September 2025 +0–1=0 -8.3
KNSB competitie 2025-2026 Klasse 1 ronde 3 Saturday 20 September 2025 +1–0=0 +5.8
KNSB competitie 2025-2026 Klasse 1 ronde 2 Saturday 20 September 2025 +0–1=0 -9.1
KNSB competitie 2025-2026 Klasse 1 ronde 1 Saturday 20 September 2025 +0–1=0 -5.0
SGA Rapidcompetitie 2025 Hoofdklasse finales Monday 19 May 2025 +1–1=1 +4.3
SGA Rapidcompetitie 2025 Hoofdklasse voorrondes Monday 19 May 2025 +6–1=1 +47.1
84e Noteboomtoernooi Groep A Friday 21 February 2025 +2–1=2 -4.5
SGA Competitie 2024-2025 Hoofdklasse ronde 7 Monday 30 September 2024 +0–1=0 -13.0
SGA Competitie 2024-2025 Hoofdklasse ronde 6 en 7 Monday 30 September 2024 +1–0=0 +5.0
SGA Competitie 2024-2025 Hoofdklasse ronde 4 Monday 30 September 2024 +1–0=0 +11.9
SGA Competitie 2024-2025 Hoofdklasse ronde 3 Monday 30 September 2024 +0–0=1 -2.0
SGA Competitie 2024-2025 Hoofdklasse ronde 2 Monday 30 September 2024 +0–1=0 -6.9
SGA Competitie 2024-2025 Hoofdklasse ronde 1 en 2 Monday 30 September 2024 +0–0=1 -0.4
KNSB competitie 2024-2025 Klasse 1 ronde 9 Saturday 21 September 2024 +1–0=0 +14.2
KNSB competitie 2024-2025 Klasse 1 ronde 8 Saturday 21 September 2024 +0–1=0 -7.0
KNSB competitie 2024-2025 Klasse 1 ronde 7 Saturday 21 September 2024 +1–0=0 +5.2
KNSB competitie 2024-2025 Klasse 1 ronde 6 Saturday 21 September 2024 +0–1=0 -5.4
KNSB competitie 2024-2025 Klasse 1 ronde 5 Saturday 21 September 2024 +0–0=1 -1.4
KNSB competitie 2024-2025 Klasse 1 ronde 4 Saturday 21 September 2024 +1–0=0 +10.2
KNSB competitie 2024-2025 Klasse 1 ronde 3 Saturday 21 September 2024 +1–0=0 +7.3
KNSB competitie 2024-2025 Klasse 1 ronde 2 Saturday 21 September 2024 +0–1=0 -8.6
KNSB competitie 2024-2025 Klasse 1 ronde 1 Saturday 21 September 2024 +0–1=0 -7.6
Belgian Interclubs 2023-2024 Round 11 Sunday 21 April 2024 +0–0=1 +4.6
Belgian Interclubs 2023-2024 Round 10 Sunday 24 March 2024 +0–1=0 -10.7
Belgian Interclubs 2023-2024 Round 9 Sunday 10 March 2024 +1–0=0 +13.9
Belgian Interclubs 2023-2024 Round 7 Sunday 4 February 2024 +0–0=1 -1.5
Belgian Interclubs 2023-2024 Round 2 Sunday 15 October 2023 +0–1=0 -5.6
15e Kattenburger Open Toernooi Groep A ronde 7 Sunday 1 October 2023 +0–0=1 -4.8
SGA Competitie 2023-2024 Hoofdklasse ronde 6 en 7 Sunday 1 October 2023 +1–0=0 +4.6
15e Kattenburger Open Toernooi Groep A, ronde 6 Sunday 1 October 2023 +1–0=0 +4.5
SGA Competitie 2023-2024 Hoofdklasse ronde 5 en 6 Sunday 1 October 2023 +2–0=0 +19.5
15e Kattenburger Open Toernooi Groep A ronde 5 Sunday 1 October 2023 +1–0=0 +5.4
15e Kattenburger Open Toernooi Groep A ronde 4 Sunday 1 October 2023 +1–0=0 +7.5
SGA Competitie 2023-2024 Hoofdklasse ronde 4 Sunday 1 October 2023 +0–1=0
15e Kattenburger Open Toernooi Groep A ronde 3 Sunday 1 October 2023 +1–0=0 +2.7
15e Kattenburger Open Toernooi Groep A ronde 2 (herstel) Sunday 1 October 2023 +1–0=0 +2.0
SGA Competitie 2023-2024 Hoofdklasse ronde 2 Sunday 1 October 2023 +1–0=0 +9.6
SGA Competitie 2023-2024 Hoofdklasse ronde 1 Sunday 1 October 2023 +0–0=1 -2.7
15e Kattenburger Open Toernooi Groep A Sunday 1 October 2023 +1–0=0 +0.7
11e Best of the West Groep A, ronde 6 Saturday 23 September 2023 +1–0=0 +6.1
11e Best of the West Groep A, ronde 5 Saturday 23 September 2023 +0–1=0 -17.5
11e Best of the West Groep A, ronde 4 Saturday 23 September 2023 +1–0=0 +5.6
11e Best of the West Groep A, ronde 3 Saturday 23 September 2023 +1–0=0 +4.1
11e Best of the West Groep A, ronde 2 Saturday 23 September 2023 +1–0=0 +3.2
11e Best of the West Best of the West, Groep A, ronde 1 Saturday 23 September 2023 +1–0=0 +1.0
Belgian Interclubs 2023-2024 Round 1 Saturday 23 September 2023 +1–0=0 +6.8
59e Vierkampentoernooi van Moira-Domtoren Groep A Friday 22 September 2023 +1–2=0 -23.0
KNSB competitie 2023-2024 Klasse 1 ronde 9 Saturday 16 September 2023 +0–0=1 -3.0
KNSB competitie 2023-2024 Klasse 1 ronde 8 Saturday 16 September 2023 +0–1=0 -13.2
KNSB competitie 2023-2024 Klasse 1 ronde 7 Saturday 16 September 2023 +1–0=0 +12.6
KNSB competitie 2023-2024 Klasse 1 ronde 6 Saturday 16 September 2023 +0–0=1 +3.7
KNSB competitie 2023-2024 Klasse 1 ronde 5 Saturday 16 September 2023 +0–1=0 -7.2
KNSB competitie 2023-2024 Klasse 1 ronde 4 Saturday 16 September 2023 +0–0=1 -5.6
KNSB competitie 2023-2024 Klasse 1 ronde 3 Saturday 16 September 2023 +0–1=0 -8.3
KNSB competitie 2023-2024 Klasse 1 ronde 2 Saturday 16 September 2023 +1–0=0 +8.3
PK Leidse Schaakbond Groep A Monday 15 May 2023 +2–1=1 -4.0
KNSB competitie 2022-2023 Klasse 1 ronde 9 Saturday 17 September 2022 +1–0=0 +1.4
KNSB competitie 2022-2023 Klasse 1 ronde 7 Saturday 17 September 2022 +0–1=0 -8.3
KNSB competitie 2022-2023 Klasse 1 ronde 6 Saturday 17 September 2022 +1–0=0 +7.3
KNSB competitie 2022-2023 Klasse 1 ronde 4 Saturday 17 September 2022 +0–0=1 -4.1

Team Competition

Current teams
Caissa 1
Hoofdklasse · 2025-2026 · 5 games
LSG 1
Meesterklasse · 2025-2026 · 1 game
LSG 2
Klasse 1B · 2025-2026 · 7 games
Past teams
Caissa 1
Hoofdklasse · 2024-2025
LSG 2
Klasse 1A · 2024-2025
Caissa 2
Hoofdklasse · 2023-2024
LSG 2
Klasse 1A · 2023-2024
LSG 2
Klasse 1A · 2022-2023
LSG 2
Klasse 1B · 2021-2022

Rating History

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Peak Ratings

Classic 2201 March 1, 2023
Rapid 2272 July 1, 2026
Blitz 2255 Jan. 1, 2026

Games

Wins 102
Losses 62
Draws 33
Win Rate 52%

Performance by Color

Color Wins Draws Losses Win Rate
White 59 16 26 58%
Black 43 17 36 45%

Recent Matches

Marinidis, Stavros (1903) Saturday 25 July 2026 LOSS -18.2
GM Babujian, Levon (2337) Friday 24 July 2026 LOSS -5.7
FM Celik, Ali Alper (2250) Thursday 23 July 2026 WIN +14.6
Georgiou, Konstantinos (1919) Wednesday 22 July 2026 WIN +4.9
Emmanouilidis, Paschalis (1901) Tuesday 21 July 2026 WIN +4.4
Spiga, Giovanni (1902) Monday 20 July 2026 LOSS -18.2
IM Pham, K.V. (Khoi) (2399) Sunday 19 July 2026 LOSS -4.3
GM Krush, I. (Irina) (2401) Sunday 19 July 2026 DRAW +7.1
Christodoulakis, Michail Em (1812) Saturday 18 July 2026 WIN +2.8
Dekker, M. (Marvin) (1966) Friday 10 July 2026 WIN +2.7
Berg van den, L. (Leon) (1781) Friday 10 July 2026 WIN +0.8
Langeveld, J. (Jonathan) (1923) Friday 10 July 2026 LOSS -7.6
Rogozyanskiy, A. (Alexander) (1982) Friday 10 July 2026 LOSS -7.2
Batenburg van, M. (Mees) (2406) Friday 10 July 2026 LOSS -5.2
IM Roebers, E.A. (Eline) (2462) Friday 10 July 2026 LOSS -4.0
GM De Firmian, Nick (2410) Friday 10 July 2026 DRAW +3.6
Blok, L. (Lukas) (2122) Friday 10 July 2026 WIN +5.5
Altounsi, A. (Abdulwarith) (1993) Friday 10 July 2026 WIN +3.1
Hoff van 't, T. (Tom) (2115) Friday 10 July 2026 WIN +5.4
Emans, J.J. (Job) (2048) Friday 10 July 2026 LOSS -13.2