KNSB FIDE
RK

Rob Kalkman

Rated since January 2023

1912 Classic
1914 Rapid
1914 Blitz

Team Competition

Current team
Spijkenisse 3
Klasse 6N · 2025-2026 · 7 games
Past teams
Spijkenisse 1
Hoofdklasse · 2024-2025
7 games
Spijkenisse 3
Klasse 6I · 2024-2025
7 games
Spijkenisse 1
Klasse 1B · 2023-2024
7 games
Spijkenisse 3
Klasse 6H · 2023-2024
7 games
Spijkenisse 1
Klasse 1A · 2022-2023
7 games
Spijkenisse 1
Klasse 1B · 2022-2023
1 game
Spijkenisse 2
Klasse 3F · 2022-2023
8 games
Spijkenisse 1
Hoofdklasse · 2021-2022
5 games
Spijkenisse 2
Klasse 4G · 2021-2022
7 games

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
HOF VAN 'T, W. (WOUTER) 1894
12668 RSB Competitie 2025-2026 Viertallen december · Thursday 27 November 2025
WILDEMANS, J. (JURIAN) 1868
13872 RSB Competitie 2025-2026 Viertallen mei · Thursday 21 May 2026
EMBDEN VAN, A. (ALEX) 1823
13316 KNSB competitie 2025-2026 Klasse 6 ronde 5 · Saturday 28 March 2026
WASZAK, L.W. (LUKASZ) 1819
13249 KNSB competitie 2025-2026 Klasse 6 ronde 7 · Saturday 7 March 2026
CORNELISSEN, R.A. (RODERICK) 1817
13178 RSB Competitie 2025-2026 Viertallen februari · Thursday 12 February 2026
Worst losses
RAMPAART, T. (TIM) 1760
12595 KNSB competitie 2025-2026 Klasse 6 ronde 4 · Saturday 13 December 2025
MOOLENAAR, A.A. (ANTON) 1884
11336 RSB Competitie 2024-2025 4-tallen mei · Thursday 15 May 2025
KLUTE, L.R.W. (LEON) 1889
11588 Open Vierkampen Schaaktoernooi van Spijkenisse 2026 Groep A · Saturday 28 February 2026
BERENDSEN, D. (DAVID) 1908
13686 RSB Competitie 2025-2026 Viertallen april · Monday 13 April 2026
KEMPEN VAN, A. (ARNOUT) 1943
11337 RSB Competitie 2024-2025 8-tallen mei · Friday 23 May 2025
No FIDE-rated tournaments found.
Open Vierkampen Schaaktoernooi van Spijkenisse 2026 Groep A Friday 27 February 2026 +0–1=2 -10.2
KNSB competitie 2025-2026 Klasse 6 ronde 5 Saturday 20 September 2025 +1–0=0 +9.7
KNSB competitie 2025-2026 Klasse 6 ronde 7 Saturday 20 September 2025 +1–0=0 +9.5
KNSB competitie 2025-2026 Klasse 6 ronde 6 Saturday 20 September 2025 +1–0=0 +9.3
KNSB competitie 2025-2026 Klasse 6 ronde 4 Saturday 20 September 2025 +0–1=0 -8.3
KNSB competitie 2025-2026 Klasse 6 Ronde 3 Saturday 20 September 2025 +1–0=0 +8.6
KNSB competitie 2025-2026 Klasse 6 ronde 2 Saturday 20 September 2025 +1–0=0 +9.3
KNSB competitie 2025-2026 Klasse 6 ronde 1 Saturday 20 September 2025 +1–0=0 +10.7
RSB Competitie 2025-2026 Viertallen mei Monday 1 September 2025 +1–0=0 +11.4
RSB Competitie 2025-2026 Viertallen april Monday 1 September 2025 +0–1=0 -12.7
RSB Competitie 2025-2026 Viertallen februari Monday 1 September 2025 +1–0=0 +10.1
RSB Competitie 2025-2026 Viertallen december Monday 1 September 2025 +1–0=0 +13.6
RSB Competitie 2024-2025 8-tallen mei Sunday 1 September 2024 +0–1=0 -10.1
RSB Competitie 2024-2025 4-tallen mei Sunday 1 September 2024 +0–1=0 -12.2

Rating History

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Peak Ratings

Classic 1914 April 1, 2026
Rapid 1914 April 1, 2026
Blitz 1914 April 1, 2026

Games

Wins 9
Losses 5
Draws 2
Win Rate 56%

Performance by Color

Color Wins Draws Losses Win Rate
White 8 1 3 67%
Black 1 1 2 25%

Recent Matches

Wildemans, J. (Jurian) (1868) Thursday 21 May 2026 WIN +11.4
Berendsen, D. (David) (1908) Monday 13 April 2026 LOSS -12.7
Embden van, A. (Alex) (1823) Saturday 28 March 2026 WIN +9.7
Waszak, L.W. (Lukasz) (1819) Saturday 7 March 2026 WIN +9.5
Mac Lean, H.M. (Murdoch) (1933) Saturday 28 February 2026 DRAW +1.6
Toor van, C.F. (Kees) (1902) Saturday 28 February 2026 DRAW +0.6
Klute, L.R.W. (Leon) (1889) Saturday 28 February 2026 LOSS -12.4
Cornelissen, R.A. (Roderick) (1817) Thursday 12 February 2026 WIN +10.1
Kraaijeveld, P. (Peter) (1792) Saturday 7 February 2026 WIN +9.3
Rampaart, T. (Tim) (1760) Saturday 13 December 2025 LOSS -8.3
Hof van 't, W. (Wouter) (1894) Thursday 27 November 2025 WIN +13.6
Dek, E. (Eric) (1748) Saturday 22 November 2025 WIN +8.6
Kort de, W. (Willem) (1771) Saturday 1 November 2025 WIN +9.3
Pisaneschi, M. (Maxime) (1801) Saturday 4 October 2025 WIN +10.7
Kempen van, A. (Arnout) (1943) Friday 23 May 2025 LOSS -10.1
Moolenaar, A.A. (Anton) (1884) Thursday 15 May 2025 LOSS -12.2