KNSB FIDE
PY

Peter Ypma

Rated since January 2023

2271 Classic
2270 Rapid
2289 Blitz

RIVALRY

Nemesis
Roobol, M. (Martin)
Games: 5 · Win rate: 40%

The good & the bad

Best wins
MICHIELSEN, J.R. (JOOST) (IM) 2391
6551 KNSB competitie 2022-2023 Beker ronde 3 · Sunday 5 February 2023
FREEKE, M.F. (MATTHIEU) (FM) 2316
11990 KNSB competitie 2025-2026 Klasse 1 ronde 2 · Saturday 4 October 2025
ROOBOL, M. (MARTIN) (FM) 2308
9208 RSB Competitie 2023-2024 beker ronde 5 · Thursday 30 May 2024
BAKIJA, A. (ALAN) 2267
10180 RSB Competitie 2024-2025 8-tallen december · Monday 2 December 2024
VLIET VAN DER, F.R. (FRED) (FM) 2250
6233 KNSB competitie 2022-2023 Klasse 2 ronde 5 · Saturday 17 December 2022
Worst losses
FLORIS, FEDERICO 2096
FE 2 Sardinia World Chess - A · Monday 28 April 2025
TIMMERMAN, G.J. (GERT) (FM) 2106
13177 RSB Competitie 2025-2026 Achttallen februari · Monday 23 February 2026
GIJSEN, W. (WILLIAM) 2126
7578 KNSB competitie 2023-2024 Klasse 2 ronde 1 · Saturday 16 September 2023
BOER DEN, L. (LENNARD) 2129
6730 KNSB competitie 2022-2023 Klasse 2 ronde 7 · Saturday 11 March 2023
STRAVER, R. (ROBERT) 2143
8529 RSB Competitie 2023-2024 8-tallen februari · Monday 5 February 2024
FE 2 Sardinia World Chess - A Saturday 26 April 2025 +3–2=4 -22.6
KNSB competitie 2025-2026 Klasse 1 ronde 9 Saturday 20 September 2025 +0–0=1 -4.6
KNSB competitie 2025-2026 Klasse 1 ronde 6 Saturday 20 September 2025 +0–0=1 -0.6
KNSB competitie 2025-2026 Klasse 1 ronde 8 Saturday 20 September 2025 +0–0=1 -2.1
KNSB competitie 2025-2026 Klasse 1 ronde 5 Saturday 20 September 2025 +0–0=1 +1.4
KNSB competitie 2025-2026 Klasse 1 Ronde 4 Saturday 20 September 2025 +0–0=1 -1.1
KNSB competitie 2025-2026 Klasse 1 ronde 2 Saturday 20 September 2025 +1–0=0 +8.6
KNSB competitie 2025-2026 Klasse 1 ronde 1 Saturday 20 September 2025 +1–0=0 +5.1
RSB Competitie 2025-2026 Achttallen april Monday 1 September 2025 +1–0=0 +5.7
RSB Competitie 2025-2026 Achttallen februari Monday 1 September 2025 +0–1=0 -11.5
RSB Competitie 2025-2026 Beker ronde 3 Monday 1 September 2025 +0–0=1 -3.4
RSB Competitie 2025-2026 Achtallen december Monday 1 September 2025 +0–1=0 -9.0
RSB Competitie 2025-2026 Achtallen november Monday 1 September 2025 +1–0=0 +4.4
RSB Competitie 2025-2026 Achttallen september Monday 1 September 2025 +1–0=0 +2.7
KNSB competitie 2024-2025 Klasse 2 ronde 9 Saturday 21 September 2024 +1–0=0 +5.1
KNSB competitie 2024-2025 Klasse 2 ronde 7 Saturday 21 September 2024 +1–0=0 +2.3
KNSB competitie 2024-2025 Klasse 2 ronde 6 Saturday 21 September 2024 +1–0=0 +0.9
KNSB competitie 2024-2025 Klasse 2 ronde 5 Saturday 21 September 2024 +0–0=1 -5.3
KNSB competitie 2024-2025 Klasse 2 ronde 2 Saturday 21 September 2024 +0–0=1 -4.3
KNSB competitie 2024-2025 Klasse 2 ronde 1 Saturday 21 September 2024 +1–0=0 +2.4
RSB Competitie 2024-2025 8-tallen april Sunday 1 September 2024 +1–0=0 +1.1
RSB Competitie 2024-2025 8-tallen maart Sunday 1 September 2024 +0–1=0 -7.6
RSB Competitie 2024-2025 8-tallen februari Sunday 1 September 2024 +1–0=0 +0.4
RSB Competitie 2024-2025 Beker ronde 2 Sunday 1 September 2024 +1–0=0 +3.5
RSB Competitie 2024-2025 8-tallen december Sunday 1 September 2024 +1–0=0 +7.2
RSB Competitie 2024-2025 8-tallen oktober Sunday 1 September 2024 +1–0=0 +4.0
Snelschaak Teams (tijdens NK 2024) Saturday 13 July 2024 +9–3=2 +1.9
14e Karel Kuip Vierkampen Groep A Friday 3 May 2024 +0–0=2 -4.1
KNSB competitie 2023-2024 Klasse 2 ronde 9 Saturday 16 September 2023 +0–1=0 -4.6
KNSB competitie 2023-2024 Klasse 2 ronde 8 Saturday 16 September 2023 +0–0=1 -0.5
KNSB competitie 2023-2024 KNSB Beker 2023-2024 ronde 3 Saturday 16 September 2023 +0–0=1 -2.8
KNSB competitie 2023-2024 Klasse 2 ronde 6 Saturday 16 September 2023 +1–0=0 +0.0
KNSB competitie 2023-2024 Klasse 2 ronde 5 Saturday 16 September 2023 +1–0=0 +4.7
KNSB competitie 2023-2024 Klasse 2 ronde 4 Saturday 16 September 2023 +1–0=0 +5.4
KNSB competitie 2023-2024 KNSB Beker 2023-2024 voor decemberlijst Saturday 16 September 2023 +1–0=0 +3.4
KNSB competitie 2023-2024 Klasse 2 ronde 1 Saturday 16 September 2023 +0–1=0 -10.8
RSB Competitie 2023-2024 beker ronde 5 Friday 1 September 2023 +1–0=0 +8.4
RSB Competitie 2023-2024 8-tallen mei Friday 1 September 2023 +1–0=0 +1.3
RSB Competitie 2023-2024 Beker ronde 4 Friday 1 September 2023 +1–0=0 +2.2
RSB Competitie 2023-2024 8-tallen april Friday 1 September 2023 +0–0=1 -1.3
RSB Competitie 2023-2024 Beker ronde 3 Friday 1 September 2023 +1–0=0 +1.5
RSB Competitie 2023-2024 8-tallen februari Friday 1 September 2023 +0–1=0 -10.6
RSB Competitie 2023-2024 Beker ronde 2 Friday 1 September 2023 +1–0=0 +2.2
RSB Competitie 2023-2024 8-tallen december Friday 1 September 2023 +0–1=0 -8.2
RSB Competitie 2023-2024 8-tallen november Friday 1 September 2023 +1–1=0 -1.1
KNSB competitie 2022-2023 Klasse 2 ronde 9 Saturday 17 September 2022 +0–1=0 -9.4
KNSB competitie 2022-2023 Klasse 2 ronde 8 Saturday 17 September 2022 +0–0=1 -2.5
KNSB competitie 2022-2023 Klasse 2 ronde 7 Saturday 17 September 2022 +0–1=0 -10.5
KNSB competitie 2022-2023 Klasse 2 ronde 6 Saturday 17 September 2022 +0–0=1 +1.5
KNSB competitie 2022-2023 Beker ronde 3 Saturday 17 September 2022 +1–0=0 +9.0
KNSB competitie 2022-2023 Klasse 2 ronde 5 Saturday 17 September 2022 +1–0=0 +6.2
KNSB competitie 2022-2023 Klasse 2 ronde 4 Saturday 17 September 2022 +0–0=1 -4.9
RSB Competitie 2022-2023 Beker Juli Thursday 1 September 2022 +1–0=0 +4.9
RSB Competitie 2022-2023 8-tallen juli Thursday 1 September 2022 +1–0=0 +2.7
RSB Competitie 2022-2023 8-tallen mei Thursday 1 September 2022 +1–0=0 +4.6
RSB Competitie 2022-2023 Beker ronde 4 Thursday 1 September 2022 +1–0=0 +7.4
RSB Competitie 2022-2023 8-tallen april Thursday 1 September 2022 +0–1=0 -7.9
RSB Competitie 2022-2023 Beker ronde 3 Thursday 1 September 2022 +0–0=1 -3.9
RSB Competitie 2022-2023 8-tallen maart Thursday 1 September 2022 +1–0=0 +1.7

Team Competition

Current teams
Amsterdam Berserkers 1
Klasse 1B · 2025-2026 · 7 games
Messemaker 1
Hoofdklasse · 2025-2026 · 5 games
Past teams
Amsterdam Berserkers 1
Klasse 2B · 2024-2025
Messemaker 1
Hoofdklasse · 2024-2025
Messemaker 1
Hoofdklasse · 2023-2024
Messemaker 1847 1
Klasse 2B · 2023-2024
Messemaker 1847 1
Hoofdklasse · 2022-2023
Messemaker 1847 1
Klasse 2C · 2022-2023
Messemaker 1847 1
Klasse 2D · 2021-2022

Rating History

Loading rating history...

Peak Ratings

Classic 2319 March 1, 2023
Rapid 2273 March 1, 2026
Blitz 2289 Oct. 1, 2024

Games

Wins 43
Losses 16
Draws 23
Win Rate 52%

Performance by Color

Color Wins Draws Losses Win Rate
White 25 12 7 57%
Black 18 11 9 47%

Recent Matches

Besseling, M.T. (Michiel) (2156) Monday 20 April 2026 WIN +5.7
Bergmans, D. (Dirk) (2048) Saturday 11 April 2026 DRAW -4.6
IM Cardon, H.R.A. (Helmut) (2245) Saturday 28 March 2026 DRAW -0.6
Edwardss, D. (Dylan) (2181) Saturday 7 March 2026 DRAW -2.1
FM Timmerman, G.J. (Gert) (2106) Monday 23 February 2026 LOSS -11.5
Both, E. (Erik) (2121) Saturday 7 February 2026 DRAW -3.4
IM Wessel van, R.W.B. (Rudy) (2360) Saturday 13 December 2025 DRAW +1.4
CM Dorp van, Q.T. (Quirinius) (2232) Friday 28 November 2025 LOSS -9.0
CM Wink, L. (Luka) (2241) Saturday 22 November 2025 DRAW -1.1
Both, E. (Erik) (2133) Monday 3 November 2025 WIN +4.4
FM Freeke, M.F. (Matthieu) (2316) Saturday 4 October 2025 WIN +8.6
Kamerman, C.G. (Gijsbert) (1998) Friday 26 September 2025 WIN +2.7
Stork, O.J. (Ornett) (2140) Saturday 20 September 2025 WIN +5.1
Oudshoorn, A. (Arres) (2173) Saturday 10 May 2025 WIN +5.1
Fulgentini, Edoardo (2113) Saturday 3 May 2025 DRAW -3.6
Duraccio, Walter Mattia (2020) Friday 2 May 2025 DRAW -5.1
Rubinshtein, Kamilla (2058) Thursday 1 May 2025 WIN +3.2
WFM Hu, Jiani (2091) Wednesday 30 April 2025 DRAW -4.0
Karanikolas, Dimitrios (2054) Wednesday 30 April 2025 DRAW -4.6
Cedriano, Mattia (2067) Tuesday 29 April 2025 WIN +3.3