KNSB FIDE
IM

Isabella Mashall

Rated since January 2023

976 Classic
1501 Rapid

RIVALRY

Nemesis
Jin, Y. (Yu Chen)
Games: 3 · Win rate: 67%
Kryptonite
Cuba de, A. (Alice)
Games: 3 · Win rate: 0%
Easy Target
Ududenko, M. (Michael)
Games: 4 · Win rate: 75%

The good & the bad

Best wins
VOSSEN, J. (JAN) 1699
11661 Open NK Rapid Groep A · Saturday 2 May 2026
SPAANJAARS, P.H.A. (PIM) 1610
13654 DecaChess Groep Z · Sunday 12 April 2026
AYYAPPAN, A. (ARJUN KARTHIK) 1593
11660 Open NK Rapid Jeugd Groep A · Sunday 3 May 2026
KETKAR, A. (ASHISH) 1535
11661 Open NK Rapid Groep A · Saturday 2 May 2026
VISSERS, H.P.J. (HENK) 1514
11661 Open NK Rapid Groep A · Saturday 2 May 2026
Worst losses
TYAGI, S. (SOHAM) 155
6175 SGA TK-D Groep A · Saturday 2 July 2022
JIN, Y. (YU CHEN) 221
6959 SGA Pupillendag F · Sunday 16 April 2023
JIA, H. (HARRY) 313
7432 200 jaar VAS GP Groep 14 · Sunday 9 July 2023
RAJADURAI, H. (HARESH) 327
6959 SGA Pupillendag F · Sunday 16 April 2023
BAO, M. (MARSHAL) 369
7432 200 jaar VAS GP Groep 14 · Sunday 9 July 2023
Open NK Rapid Jeugd Groep A Sunday 3 May 2026 +3–4=0 +54.5
Open NK Rapid Groep A Saturday 2 May 2026 +3–6=0 +72.7
UniClass Science Park Amsterdam Schaaktoernooi Weekendvierkampen Saturday 5 July 2025 +1–2=0
Tata Steel Chess Tournament 2023 Dagvierkampen Friday 13 January 2023 +0–3=0 -0.1
DecaChess Groep Z Sunday 12 April 2026 +5–4=0 +64.4
SGA PK-D Meisjes Saturday 21 March 2026 +3–6=0 -64.3
4e Rapid Toernooi de Volewijckers Groep B Sunday 1 March 2026 +3–4=0 -42.5
GP Caissa Groep A Sunday 25 January 2026 +3–2=2 +40.6
SGA meisjestoernooi Groep D Sunday 18 January 2026 +6–1=0 -2.3
Open Almeers Meisjeskampioenschap Groep 02 Sunday 5 October 2025 +6–0=1 +146.7
Grandprix Amsterdam West Groep G Sunday 28 September 2025 +5–2=0 +66.7
De Volewijckers Weekendvierkamp 2025 Groep 12 Friday 4 July 2025 +1–1=0
Zwarte Veulen Grand-Prix & Super-GP Groep 6 Sunday 29 June 2025 +1–4=0 -56.1
TK-D SGA 2025 Groep A Sunday 25 May 2025 +2–5=0 -11.7
GP De Volewijckers Groep A Sunday 20 October 2024 +2–3=1 -13.1
TK-E SGA TK-E Saturday 15 June 2024 +2–5=0 -40.0
SGA PK E 2024 Groep E Sunday 3 March 2024 +5–4=0 +7.6
SGA PK meisjes Groep E Sunday 28 January 2024 +4–3=0 -20.1
KNSB-Jeugdclubcompetitie Finale E Groep E Saturday 11 November 2023 +2–5=0 -9.0
SGA Jeugdcompetitie 2023-2024 ronde 7 Wednesday 1 November 2023 +0–1=1 -2.0
SGA Jeugdcompetitie 2023-2024 Ronde 4, 5 en 6 Wednesday 1 November 2023 +1–1=0 +20.2
SGA Jeugdcompetitie 2023-2024 Ronde 3 Wednesday 1 November 2023 +0–2=0 -3.9
SGA Jeugdcompetitie 2023-2024 Ronde 1 Wednesday 1 November 2023 +1–0=0
GP De Volewijckers Groep A Sunday 8 October 2023 +3–3=0 +13.7
KNSB-Jeugdclubcompetitie E Halve Finales Groep E Saturday 23 September 2023 +2–5=0 +6.6
200 jaar VAS GP Groep 14 Sunday 9 July 2023 +5–2=0 +27.4
Zukertort Grandprix (en Super GP) Groep K Sunday 18 June 2023 +0–7=0 -58.9
SGA Pupillendag F Sunday 16 April 2023 +2–5=0 -31.9
SGA PK Categorie E Saturday 4 February 2023 +2–4=1 -10.2
Grand Prix Indische buurt Groep 7 Sunday 29 January 2023 +3–4=0 +36.4
SGA Competitie 2e Klasse C Mei Monday 31 October 2022 +1–1=0 +12.5
Externe jeugd competitie SGA 1e klasse C Mei Monday 31 October 2022 +1–1=0 +14.8
SGA Competitie 2e Klasse C Maart Monday 31 October 2022 +1–1=0 +10.5
SGA Competitie 2e Klasse C Februari Monday 31 October 2022 +0–2=0 -4.7
SGA Competitie 2e Klasse C December Monday 31 October 2022 +1–0=1
SGA Competitie 2e Klasse C Groep A Monday 31 October 2022 +2–2=0 +37.4
SGA TK-D Groep A Saturday 2 July 2022 +0–7=0 -32.2

Rating History

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Peak Ratings

Classic 976 May 1, 2024
Rapid 1501 June 1, 2026

Games

Wins 82
Losses 112
Draws 7
Win Rate 41%

Performance by Color

Color Wins Draws Losses Win Rate
White 38 5 51 40%
Black 44 2 61 41%

Recent Matches

Neelakantan, D.N. (Dakshesh Nathan) (1658) Sunday 3 May 2026 LOSS -6.1
Babii, Oriiana (1496) Sunday 3 May 2026 WIN +27.1
Cuba de, A. (Alice) (1665) Sunday 3 May 2026 LOSS -5.8
Ayyappan, A. (Arjun Karthik) (1593) Sunday 3 May 2026 WIN +31.5
Klaassen, M.H.T. (Milan) (1257) Sunday 3 May 2026 WIN +14.2
Moeri, C. (Casper) (1967) Sunday 3 May 2026 LOSS -0.7
Oosthoek, R.A.H. (Rico) (1670) Sunday 3 May 2026 LOSS -5.7
Hagen, M. (Maurits) (1871) Saturday 2 May 2026 LOSS -1.5
Feng, Y. (Elysia) (1842) Saturday 2 May 2026 LOSS -1.9
Mutta, S. (Sevya Sonit) (1933) Saturday 2 May 2026 LOSS -0.9
Vossen, J. (Jan) (1699) Saturday 2 May 2026 WIN +35.2
Ketkar, A. (Ashish) (1535) Saturday 2 May 2026 WIN +29.0
Vissers, H.P.J. (Henk) (1514) Saturday 2 May 2026 WIN +28.0
Kulik, Simon (1600) Saturday 2 May 2026 LOSS -8.2
Deij, C. (Casper) (1706) Saturday 2 May 2026 LOSS -4.6
Koning de, A. (Aaron) (1812) Saturday 2 May 2026 LOSS -2.3
Berg van den, C.H. (Chris) (1090) Sunday 12 April 2026 WIN +9.7
Heima, H.J.M. (Henny) (1605) Sunday 12 April 2026 LOSS -5.4
Laluyan, A. (Adelina) (1365) Sunday 12 April 2026 WIN +24.1
Suldin, S.S. (Serhii) (1593) Sunday 12 April 2026 LOSS -5.8