JB
Jalt de Boer
RIVALRY
Not enough games to determine rivalries yet.
The good & the bad
Best wins
HIEMSTRA, D. (DYLAN)
1431
13471 Schaak Combinatie Leeuwarden interne competitie 03-02-2026 t/m 24-03… · Tuesday 3 February 2026
13471 Schaak Combinatie Leeuwarden interne competitie 03-02-2026 t/m 24-03… · Tuesday 17 March 2026
VERHOEF, K. (KEES)
1211
12836 Schaak Combinatie Leeuwarden interne competitie 02-12-2025 t/m 20-01… · Tuesday 13 January 2026
AARTSMA, D. (DOETA)
1200
12836 Schaak Combinatie Leeuwarden interne competitie 02-12-2025 t/m 20-01… · Tuesday 20 January 2026
Worst losses
12836 Schaak Combinatie Leeuwarden interne competitie 02-12-2025 t/m 20-01… · Tuesday 9 December 2025
BOSMA, L. (LEO)
1505
13471 Schaak Combinatie Leeuwarden interne competitie 03-02-2026 t/m 24-03… · Tuesday 3 March 2026
WIERSMA, A. (ATTE)
1627
12836 Schaak Combinatie Leeuwarden interne competitie 02-12-2025 t/m 20-01… · Tuesday 2 December 2025
No FIDE-rated tournaments found.
Schaak Combinatie Leeuwarden interne competitie 03-02-2026 t/m 24-03…
Monday 1 September 2025
+2–3=0
+17.5
Schaak Combinatie Leeuwarden interne competitie 02-12-2025 t/m 20-01…
Monday 1 September 2025
+2–2=0
+4.0
Rating History
Loading rating history...
Peak Ratings
Classic
1381
March 1, 2024
Rapid
1360
April 1, 2026
Blitz
1360
April 1, 2026
Games
Wins
4
Losses
5
Draws
0
Win Rate
44%
Performance by Color
| Color | Wins | Draws | Losses | Win Rate |
|---|---|---|---|---|
| White | 3 | 0 | 2 | 60% |
| Black | 1 | 0 | 3 | 25% |