JB

Joppe Bolderman

Rated since January 2023

1960 Classic
1900 Rapid
1950 Blitz

RIVALRY

Nemesis
Games: 3 · Win rate: 67%
Easy Target
Games: 4 · Win rate: 75%

The good & the bad

Best wins
13149 SGA Competitie 2025-2026 2e Klasse B ronde 3 en 5 · Monday 23 February 2026
10471 Tata Steel Chess Tournament 2026 Weekendvierkampem · Saturday 17 January 2026
12485 SGA Competitie 2025-2026 2e Klasse B ronde 2 en 3 · Thursday 30 October 2025
13248 KNSB competitie 2025-2026 Klasse 5 ronde 7 · Saturday 7 March 2026
12594 KNSB competitie 2025-2026 Klasse 5 ronde 4 · Saturday 13 December 2025
Worst losses
12940 Zwart op Wit interne competitie 01-12-2025 t/m 22-12-2025 (080061) · Monday 8 December 2025
12520 Zwart op Wit interne competitie 03-11-2025 t/m 24-11-2025 (080061) · Monday 17 November 2025
13425 Zwart op Wit interne competitie 16-02-2026 t/m 23-03-2026 (080061) · Monday 2 March 2026
12794 SGA Competitie 2025-2026 2e Klasse B ronde 4 · Tuesday 13 January 2026
13658 Zwart op Wit interne competitie 30-03-2026 t/m 20-04-2026 (080061) · Monday 30 March 2026
Tata Steel Chess Tournament 2026 Weekendvierkampem Friday 16 January 2026 +12=0 -11.4
13e Best of the West Groep A, ronde 5 Saturday 18 October 2025 +10=0 +7.0
13e Best of the West Groep A, ronde 4 Saturday 18 October 2025 +00=1 -3.8
13e Best of the West Groep A, ronde 3 Saturday 18 October 2025 +01=0 -15.0
13e Best of the West Groep A, ronde 2 Saturday 18 October 2025 +10=0 +6.9
17e Kattenburger Open Toernooi 17e Kattenburger Open Ronde 5 Sunday 12 October 2025 +10=0 +11.6
17e Kattenburger Open Toernooi Ronde 3 Sunday 12 October 2025 +00=1 -4.5
SGA Competitie 2025-2026 2e Klasse B ronde 5 en 6 Wednesday 1 October 2025 +10=0 +10.7
SGA Competitie 2025-2026 2e Klasse B ronde 3 en 5 Wednesday 1 October 2025 +10=1 +17.2
SGA Competitie 2025-2026 2e Klasse B ronde 4 Wednesday 1 October 2025 +01=0 -16.4
SGA Competitie 2025-2026 2e Klasse B ronde 2 en 3 Wednesday 1 October 2025 +10=0 +12.1
KNSB competitie 2025-2026 Klasse 5 ronde 5 Saturday 20 September 2025 +01=0 -8.3
KNSB competitie 2025-2026 Klasse 5 ronde 7 Saturday 20 September 2025 +10=0 +11.7
KNSB competitie 2025-2026 Klasse 5 ronde 6 Saturday 20 September 2025 +10=0 +6.2
KNSB competitie 2025-2026 Klasse 5 ronde 4 Saturday 20 September 2025 +10=0 +11.2
KNSB competitie 2025-2026 Klasse 5 ronde 2 Saturday 20 September 2025 +01=0 -12.7
16e Kattenburger Open Toernooi Groep A Monday 1 September 2025 +00=1 -6.2

Rating History

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Peak Ratings

Classic 1970 Jan. 1, 2026
Rapid 1908 Dec. 1, 2024
Blitz 1950 April 1, 2026

Games

Wins 23
Losses 14
Draws 5
Win Rate 55%

Performance by Color

Color Wins Draws Losses Win Rate
White 12 2 8 55%
Black 11 3 6 55%

Recent Matches

Au, W. (Willy) (1542) Monday 20 April 2026 WIN +2.6
Andringa, A.T. (Arjo) (2034) Sunday 19 April 2026 DRAW +2.9
Plukkel, S.P.M. (Simon) (1782) Saturday 18 April 2026 WIN +7.0
Cartanya, P. (Pau) (1828) Monday 13 April 2026 WIN +10.0
Sten, B. (Blanken) (1866) Monday 30 March 2026 LOSS -13.8
Taams, L. (Lisanne) (2067) Saturday 28 March 2026 LOSS -8.3
Valk Bouman van der, J. (Jim) (1894) Monday 23 March 2026 WIN +12.2
Jonkers, B.S. (Bas) (1917) Sunday 22 March 2026 WIN +11.6
Treep, H.J. (Jelle) (1893) Monday 16 March 2026 WIN +10.7
Koelmans, J.W. (Jan Willem) (1831) Saturday 14 March 2026 DRAW -3.8
Kuijken, F.D. (Felix) (1893) Monday 9 March 2026 LOSS -12.8
Prijs, M.A. (Xander) (1922) Saturday 7 March 2026 WIN +11.7
Valk Bouman van der, J. (Jim) (1849) Monday 2 March 2026 LOSS -15.8
Termeulen, A. (Albert) (2051) Monday 23 February 2026 WIN +16.2
Heldoorn, J. (Joep) (1870) Saturday 21 February 2026 LOSS -15.0
Singh, H. (Harman) (1602) Monday 16 February 2026 WIN +4.1
Rooijen van, A.J.C. (Ton) (1839) Sunday 15 February 2026 WIN +9.0
Cartanya, P. (Pau) (1841) Monday 9 February 2026 WIN +11.0
Beverdam, F. (Frank) (1747) Saturday 7 February 2026 WIN +6.2
Heij, F.M.J. (Frans) Monday 2 February 2026 WIN