KNSB FIDE
PH

Pieter Heijboer

Rated since April 2007

1955 Classical

The good & the bad

Best wins
HUMMEL, JOOP 1987
Tata Steel Chess 2026 - Tienkampen · 2026-01-23
DESSENNE, FRANCOIS 1943
Tata Steel Chess 2026 - Tienkampen · 2026-01-23
LOUTER, ROWAN 1928
Tata Steel Chess 2026 - Tienkampen · 2026-01-23
Worst losses
HAGEMAN, GER 1976
Tata Steel Chess 2026 - Tienkampen · 2026-01-23
BOTTENBERG, FRANS 1987
Tata Steel Chess 2026 - Tienkampen · 2026-01-23
DE HAAN, MATTEO 2011
Tata Steel Chess 2026 - Tienkampen · 2026-01-23
HOFFMANN, ANDRE 2034
Tata Steel Chess 2026 - Tienkampen · 2026-01-23

FIDE Tournaments

Tata Steel Chess 2026 - Tienkampen 2026-01-23 +3–4=2 -13.6
Tata Steel Chess Tournament 2026 Tienkampen Friday 16 January 2026 +3–4=2 -6.2
Tata Steel Chess Tournament 2025 Tienkampen Friday 17 January 2025 +3–4=1 +3.4
Tata Steel Chess Tournament 2024 Tienkampen Friday 12 January 2024 +3–4=2 -8.9

Rating History

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Peak Ratings

Classical 2113

Games

Wins 3
Losses 4
Draws 2
Win Rate 33%

Performance by Color

Color Wins Draws Losses Win Rate
White 2 0 2 50%
Black 1 2 2 20%

All-time Games (from rating history)

Classical 126

Recent Matches

Leeuwerik, Hans (1903) 2026-01-23 DRAW -1.8
Dessenne, Francois (1943) 2026-01-23 WIN +9.2
Hageman, Ger (1976) 2026-01-23 LOSS -9.8
De Haan, Matteo (2011) 2026-01-23 LOSS -8.8
Hoffmann, Andre (2034) 2026-01-23 LOSS -8.2
Hummel, Joop (1987) 2026-01-23 WIN +10.6
Louter, Rowan (1928) 2026-01-23 WIN +8.8
Margaryan, Aren (1811) 2026-01-23 DRAW -4.2
Bottenberg, Frans (1987) 2026-01-23 LOSS -9.4