KNSB FIDE
HB

Harry de Best

Rated since November 2023

1571 Classic
1548 Rapid
1548 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
MANSHANDEN, L. (LIZ) 1776
13267 Caïssa-Eenhoorn interne competitie 03-03-2026 t/m 03-03-2026 (090008) · Tuesday 3 March 2026
ZYAT, J. (JAMAL) 1745
13004 Caïssa-Eenhoorn interne competitie 10-02-2026 t/m 10-02-2026 (090008) · Tuesday 10 February 2026
BAARS, J.T. (JAN) 1733
14206 Midzomertoernooi 2026 Ronde 9 t/m 12 · Wednesday 19 August 2026
LANGERAK, A. (ARON) 1688
12532 Caïssa-Eenhoorn interne competitie 02-12-2025 t/m 02-12-2025 (090008) · Tuesday 2 December 2025
ALAYOUBI, N. (NIZAR) 1675
12827 Caïssa-Eenhoorn interne competitie 13-01-2026 t/m 13-01-2026 (090008) · Tuesday 13 January 2026
Worst losses
LEEUWEN VAN, A.P. (ANDRE) 1376
14144 Midzomertoernooi 2026 Ronde 5 t/m 8 · Wednesday 22 July 2026
MANTEL, A. (ANDRÉ) 1425
14206 Midzomertoernooi 2026 Ronde 9 t/m 12 · Wednesday 5 August 2026
WIT DE, S. (STEF) 1502
11722 GZ Midzomertoernooi 2025 Groep A ronde 9 t/m 12 · Wednesday 20 August 2025
REUS, N.J.M. (NICO) 1521
11681 GZ Midzomertoernooi 2025 Groep A Midzomer ronde 5-8 · Wednesday 9 July 2025
TADROUS, G. (GEORGE) 1535
10674 GZ Midzomertoernooi 2025 Groep A · Wednesday 25 June 2025
Tata Steel Chess Tournament 2026 Weekendvierkampem Friday 16 January 2026 +0–1=2 -4.6
Oscar Romero Open Hoorns Kampioenschap 2025 + PK NHSB Groep C Friday 22 August 2025 +0–3=3 -23.5
Oscar Romero Open Hoorns Kampioenschap 2026 + PK NHSB Groep C Friday 14 August 2026 +1–3=2 -13.6
Midzomertoernooi 2026 Ronde 9 t/m 12 Wednesday 3 June 2026 +2–2=0 +2.0
Midzomertoernooi 2026 Ronde 5 t/m 8 Wednesday 3 June 2026 +3–1=0 +3.9
Midzomertoernooi 2026 Groep A Wednesday 3 June 2026 +1–2=0 +11.4
Caïssa-Eenhoorn interne competitie 19-05-2026 t/m 19-05-2026 (090008) Monday 1 September 2025 +1–0=0 +11.4
Caïssa-Eenhoorn interne competitie 12-05-2026 t/m 12-05-2026 (090008) Monday 1 September 2025 +0–1=0 -6.8
Caïssa-Eenhoorn interne competitie 05-05-2026 t/m 05-05-2026 (090008) Monday 1 September 2025 +1–0=0 +8.4
Caïssa-Eenhoorn interne competitie 28-04-2026 t/m 28-04-2026 (090008) Monday 1 September 2025 +1–0=0 +6.8
Caïssa-Eenhoorn interne competitie 17-03-2026 t/m 17-03-2026 (090008) Monday 1 September 2025 +0–1=0 -7.2
Caïssa-Eenhoorn interne competitie 10-03-2026 t/m 10-03-2026 (090008) Monday 1 September 2025 +0–1=0 -4.1
Caïssa-Eenhoorn interne competitie 03-03-2026 t/m 03-03-2026 (090008) Monday 1 September 2025 +1–0=0 +19.9
Caïssa-Eenhoorn interne competitie 17-02-2026 t/m 17-02-2026 (090008) Monday 1 September 2025 +0–1=0 -5.2
Caïssa-Eenhoorn interne competitie 10-02-2026 t/m 10-02-2026 (090008) Monday 1 September 2025 +1–0=0 +19.5
Caïssa-Eenhoorn interne competitie 03-02-2026 t/m 03-02-2026 (090008) Monday 1 September 2025 +0–0=1 -1.5
Caïssa-Eenhoorn interne competitie 27-01-2026 t/m 27-01-2026 (090008) Monday 1 September 2025 +0–1=0 -6.6
Caïssa-Eenhoorn interne competitie 20-01-2026 t/m 20-01-2026 (090008) Monday 1 September 2025 +0–1=0 -4.8
Caïssa-Eenhoorn interne competitie 13-01-2026 t/m 13-01-2026 (090008) Monday 1 September 2025 +1–0=0 +17.8
Caïssa-Eenhoorn interne competitie 06-01-2026 t/m 06-01-2026 (090008) Monday 1 September 2025 +1–0=0 +9.4
Caïssa-Eenhoorn interne competitie 23-12-2025 t/m 23-12-2025 (090008) Monday 1 September 2025 +0–1=0
Caïssa-Eenhoorn interne competitie 09-12-2025 t/m 09-12-2025 (090008) Monday 1 September 2025 +0–1=0 -5.9
Caïssa-Eenhoorn interne competitie 02-12-2025 t/m 02-12-2025 (090008) Monday 1 September 2025 +1–0=0 +18.6
Caïssa-Eenhoorn interne competitie 18-11-2025 t/m 18-11-2025 (090008) Monday 1 September 2025 +1–0=0 +15.1
Caïssa-Eenhoorn interne competitie 04-11-2025 t/m 04-11-2025 (090008) Monday 1 September 2025 +0–1=0 -7.7
Caïssa-Eenhoorn interne competitie 28-10-2025 t/m 28-10-2025 (090008) Monday 1 September 2025 +0–1=0 -3.8
Caïssa-Eenhoorn interne competitie 14-10-2025 t/m 14-10-2025 (090008) Monday 1 September 2025 +1–0=0 +11.2
Caïssa-Eenhoorn interne competitie 07-10-2025 t/m 07-10-2025 (090008) Monday 1 September 2025 +0–0=1 +8.3
Caïssa-Eenhoorn interne competitie 30-09-2025 t/m 30-09-2025 (090008) Monday 1 September 2025 +0–1=0 -3.2
Interne competitie Caïssa-Eenhoorn 2025-2026 2025-09-23 Monday 1 September 2025 +0–1=0 -2.1
GZ Midzomertoernooi 2025 Groep A ronde 9 t/m 12 Wednesday 4 June 2025 +1–2=1 +5.3
GZ Midzomertoernooi 2025 Groep A Midzomer ronde 5-8 Wednesday 4 June 2025 +3–1=0 +14.1
GZ Midzomertoernooi 2025 Groep A Wednesday 4 June 2025 +0–1=0 -12.5
NHSB Lenteveteranenkampioenschap 2025 Groep 3 Wednesday 5 March 2025 +2–3=2 -8.0
Interne competitie Caïssa-Eenhoorn 2024-2025 2025-05-20 Sunday 1 September 2024 +0–1=0 -6.9
Interne competitie Caïssa-Eenhoorn 2024-2025 2025-05-13 Sunday 1 September 2024 +0–1=0 -4.9
Interne competitie Caïssa-Eenhoorn 2024-2025 2025-05-06 Sunday 1 September 2024 +0–0=1 +3.1

Rating History

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Peak Ratings

Classic 1583 Aug. 1, 2026
Rapid 1548 April 1, 2026
Blitz 1548 April 1, 2026

Games

Wins 23
Losses 33
Draws 13
Win Rate 33%

Performance by Color

Color Wins Draws Losses Win Rate
White 14 7 16 38%
Black 9 6 17 28%

Recent Matches

Baars, J.T. (Jan) (1733) Wednesday 19 August 2026 WIN +17.5
Bergshoeff, G. (Bert) (1637) Sunday 16 August 2026 DRAW +1.9
Visweswaran, Vasanth Venkatesh Sunday 16 August 2026 LOSS
Dekker, I. (Ichelle) (1719) Saturday 15 August 2026 LOSS -7.9
Meijers, J.M.M. (John) (1383) Saturday 15 August 2026 WIN +6.1
Elferink, R. (Raymond) (1472) Friday 14 August 2026 DRAW -3.8
Groenendijk, C. (Cees) (1661) Friday 14 August 2026 LOSS -9.8
Wit de, S. (Stef) (1591) Wednesday 12 August 2026 WIN +12.8
Mantel, A. (André) (1425) Wednesday 5 August 2026 LOSS -17.8
Smit, R. (Ron) (1636) Wednesday 29 July 2026 LOSS -10.5
Leeuwen van, A.P. (Andre) (1376) Wednesday 22 July 2026 LOSS -19.0
Schenk, A. (Alfred) Wednesday 15 July 2026 WIN
Tadrous, G. (George) (1530) Wednesday 8 July 2026 WIN +10.8
Snel, R. (Renzo) (1569) Wednesday 1 July 2026 WIN +12.2
Brandt, D. (Dion) (1535) Wednesday 24 June 2026 WIN +11.4
Dijk van, E. (Emil) Wednesday 17 June 2026 LOSS
Karatas, J. (Jehat) Wednesday 3 June 2026 LOSS
Veen van der, W. (Willem) (1524) Tuesday 19 May 2026 WIN +11.4
Roos, G. (Gerrit) (1728) Tuesday 12 May 2026 LOSS -6.8
Maarl van de, J.A. (Joël) (1434) Tuesday 5 May 2026 WIN +8.4