KNSB FIDE
SR

Symon Riedstra

Rated since January 2023

1781 Classic

RIVALRY

Nemesis
Andrade, Ricardo Sarmento
Games: 4 · Win rate: 50%
Kryptonite
Sismeiro, Miguel
Games: 3 · Win rate: 0%
Easy Target
Mendes, Rui Oscar
Games: 3 · Win rate: 100%

The good & the bad

Best wins
PINTOR, SIMAO 2046
Circuito GXP Campeoes Mundiais - Anand · 2026-02-13
NETO, DINIS FONSECA 2005
Circuito GXP Campeoes Mundiais - Fischer · 2025-12-12
FONSECA, PEDRO MIGUEL RAMOS 1955
Circuito GXP Campeoes Mundiais - Karpov · 2026-01-09
FERREIRA, PAULO (CM) 1885
Circuito GXP Campeoes Mundiais - Fischer · 2025-12-12
SOUSA, PEDRO SIMAO 1875
Circuito GXP Campeoes Mundiais - Anand · 2026-02-13
Worst losses
KOLMER, DIOGO 1125
XL Torneio Aberto de Cucujaes 'Memorial Antonio Pinho' · 2022-12-04
JULLIAN, HERVE 1505
CD Porto Semirrapidas 2025-26 · 2025-10-26
PAIVA, MANUEL MARIA FONSECA 1525
CN 2. divisao 2022-23 r.3-4 · 2023-03-25
TEIXEIRA, MATEUS GOMES 1582
Torneio de Sao Martinho do Paredes GC 2025 · 2025-11-09
HOOGEVEEN, L. (LUUK) 1584
6252 Chess Festival Groningen Compact C · 2022-12-28
No FIDE-rated tournaments found.
CD Porto Veteranos Rapidas 2025-26 - S50 Sun, Feb 22, 2026 +3–1=1 +20.0
Circuito GXP Campeoes Mundiais - Anand Fri, Feb 13, 2026 +3–3=0 +39.6
CN 3. divisao 2025-26 r. 4 Sat, Feb 7, 2026 +0–1=0 -9.9
Circuito GXP Campeoes Mundiais - Kramnik Fri, Feb 6, 2026 +2–4=0 -20.1
CN 3. divisao 2025-26 r. 3 Sat, Jan 31, 2026 +0–0=1 -0.6
Circuito GXP Campeoes Mundiais - Kasparov Fri, Jan 30, 2026 +4–2=1 +28.5
Taca de Portugal r. 2 Sun, Jan 11, 2026 +0–0=1 +5.6
CD Porto Semirrapidas Equipas 2025-26 Sat, Jan 10, 2026 +4–1=1 +11.7
Circuito GXP Campeoes Mundiais - Karpov Fri, Jan 9, 2026 +2–2=2 +35.2
Circuito GXP Campeoes Mundiais - Fischer Fri, Dec 12, 2025 +3–3=0 +24.3
Circuito GXP Campeoes Mundiais - Spassky Fri, Nov 28, 2025 +2–4=0 -12.7
Circuito GXP Campeoes Mundiais - Petrosian Fri, Nov 14, 2025 +3–3=0 -0.3
Torneio de Sao Martinho do Paredes GC 2025 Sun, Nov 9, 2025 +2–1=1 -15.6
CD Porto Semirrapidas 2025-26 Sun, Oct 26, 2025 +3–1=0 -7.8
Circuito GXP Campeoes Mundiais - Tal Fri, Oct 24, 2025 +2–3=0 -21.6
Circuito GXP Campeoes Mundiais - Smyslov Fri, Oct 10, 2025 +3–3=0 +8.8
CN 3. divisao 2024-25 r. 6-7 Fri, May 16, 2025 +1–0=1 -0.7
Taca de Portugal 2024-25 3. elim. Sun, Mar 23, 2025 +0–1=0 -4.4
CN 3. divisao 2024-25 r.4 Sat, Mar 15, 2025 +1–0=0 +13.0
CD Porto Veteranos 2024-25 - S50 Sat, Mar 1, 2025 +4–0=0 +27.9
Taca AXP 2024-25 r.2 Sat, Feb 15, 2025 +0–0=1 -3.1
Taca de Portugal 2024-25 2. elim Sun, Feb 9, 2025 +1–0=0 +15.6
CN 3. divisao 2024-25 r. 2-3 Sat, Feb 1, 2025 +0–1=1 -12.5
Taca de Portugal 2024-25 1. elim Sun, Jan 19, 2025 +0–0=1 -6.5
Taca AXP 2024-25 r.1 Sat, Jan 11, 2025 +1–0=0 +6.7
CN 3. divisao 2023-24 r.7 Sat, Jun 22, 2024 +0–1=0 -10.2
CN 3. divisao 2023-24 r.6 Sat, May 11, 2024 +0–1=0 -10.3
CN 3. divisao 2023-24 r.3-4 Sat, Mar 2, 2024 +0–0=1 -1.4
Taca AXP 2023-24 r.3 Sat, Feb 24, 2024 +1–0=0 +7.7
CN 3. divisao 2023-24 r.2 Sat, Feb 3, 2024 +1–0=0 +4.7
Taca AXP 2023-24 r.2 Sat, Jan 20, 2024 +1–0=0 +1.2
CN 3. divisao 2023-24 r.1 Sat, Jan 6, 2024 +1–0=0 +17.6
CN 2. divisao 2022-23 r.8-9 Sat, Jun 3, 2023 +0–2=0 -5.1
CN 2. divisao 2022-23 r.6-7 Sat, May 20, 2023 +0–1=0 -1.2
CN 2. divisao 2022-23 r.5 Sat, Apr 15, 2023 +1–0=0 +19.7
CN 2. divisao 2022-23 r.3-4 Sat, Mar 4, 2023 +0–1=0 -14.1
Taca AXP 2022-23 sf, final Mon, Feb 13, 2023 +0–1=1 +0.6
CN 2. divisao 2022-23 r.2 Sat, Feb 4, 2023 +0–1=0 -0.2
Taca AXP 2022-23 qf Sun, Jan 22, 2023 +0–1=0 -5.8
Taca de Portugal 2022-23 r.2 Sat, Jan 14, 2023 +0–1=0 -1.8
CN 2. divisao 2022-23 r.1 Sat, Jan 7, 2023 +0–1=0 -7.0
Chess Festival Groningen Compact C Wed, Dec 21, 2022 +2–1=1 +6.8
XL Torneio Aberto de Cucujaes 'Memorial Antonio Pinho' Sat, Dec 3, 2022 +0–2=2 -54.5
Taca AXP 2022-23 r.1 Sun, Nov 27, 2022 +0–0=1 -8.2

Rating History

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Peak Ratings

Classic 1782 May 1, 2025
Rapid 1785 April 1, 2026
Blitz 1860 April 1, 2026

Games

Wins 51
Losses 48
Draws 18
Win Rate 44%

Performance by Color

Color Wins Draws Losses Win Rate
White 33 6 21 55%
Black 18 12 27 32%

Recent Matches

Sousa, Nuno (1852) 2026-02-22 LOSS -9.5
Andrade, Ricardo Sarmento (1804) 2026-02-22 WIN +13.9
Cruz, Jose Silva (1694) 2026-02-22 WIN +10.1
Teles, Paulo Sergio (1724) 2026-02-22 DRAW -1.4
Marques, Paulo Miguel (1594) 2026-02-22 WIN +6.9
Neto, Dinis Fonseca (1876) 2026-02-13 LOSS -8.7
Silva, Jose Lucas Ferreira (2106) 2026-02-13 LOSS -2.9
Sousa, Pedro Simao (1875) 2026-02-13 WIN +16.3
FM Sismeiro, Miguel (2213) 2026-02-13 LOSS -1.5
Pintor, Simao (2046) 2026-02-13 WIN +21.0
Silva, Gabriel Joao (1849) 2026-02-13 WIN +15.4
Freitas, Daniel Leonardo M (1857) 2026-02-07 LOSS -9.9
Andrade, Ricardo Sarmento (1804) 2026-02-06 LOSS -11.1
Tenreiro, Manuel (1856) 2026-02-06 LOSS -9.3
Mendes, Bruno Daniel (1747) 2026-02-06 WIN +11.9
Mendes, Rui Oscar (1650) 2026-02-06 WIN +8.6
Costa, Tomas Pereira (1907) 2026-02-06 LOSS -7.7
Montenegro, Matias (1766) 2026-02-06 LOSS -12.4
Lopes, Diogo Alberto Rocha (1765) 2026-01-31 DRAW -0.6
Costa, Nuno Pereira (1740) 2026-01-30 WIN +12.5