De Yu Siu

SGP · 17 yrs · K=40 · Peak 1751 (Aug 2026)

Best performance: 1864 at Bishan Chess Club 19 Nov 2024 Rapid Tournament (FIDE Rated)(Best of 2024)

World #=116734 live13653#103,081 publishedSingapore #401

OCT26 Rating

1619

Live Rating

1596.6

Change

-22.4

Games Played

How live ratings are calculated

Rating History · Rapid

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Official rapid rating by month

List	Rating	Change
Oct 2026	1619	-30
Sep 2026	1649	-102
Aug 2026	1751	+120
Jul 2026	1631	+38
Jun 2026	1593	-12
May 2026	1605	0
Apr 2026	1605	+1
Mar 2026	1604	0
Feb 2026	1604	0
Jan 2026	1604	0
Dec 2025	1604	0
Nov 2025	1604	0

Rapid games since the October list

Tournament	Score	Change	TPR	After
42nd Chess.sg Rapid Championship \| 15+10 7 Rds \| Sat Oct 3 \| $35Oct 3TPR 1560	4½/7	-11.4	1560	1607.6
72nd Go Checkmate Age Group FIDE Rated Rapid \| Under 13 & 18 @ 2.30 PM to 7.00 PMOct 10TPR 1779	5/6	+41.4	1779	1649.0
SP Open 2026Oct 17TPR 1406	1/4	-42.6	1406	1606.4
Intchess Asia Rapid - 25th Oct 2026Oct 25TPR 1613	4/6	-9.9	1613	1596.6

Event timeline · Rapid

12 of 21 events · All years

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

Intchess Asia Rapid - 25th Oct 2026-9.9
Oct 2026Individualchess-results.com
#6 in 2026Score 4/6TPR 1613Opp avg 1613Start 1619
SP Open 2026-42.6
Oct 2026Teamchess-results.com
#12 in 2026Score 1/4TPR 1406Opp avg 1599Start 1619
72nd Go Checkmate Age Group FIDE Rated Rapid | Under 13 & 18 @ 2.30 PM to 7.00 PM+41.4
Oct 2026Individualchess-results.com
#3 in 2026Score 5/6TPR 1779Opp avg 1506Start 1619
42nd Chess.sg Rapid Championship | 15+10 7 Rds | Sat Oct 3 | $35-11.4
Oct 2026Individualchess-results.com
#9 in 2026Score 4½/7TPR 1560Opp avg 1560Start 1619
Intchess Tuesday Night Rapid - 1 Sep 20261535
Sep 2026Swisschess-results.com
#10 in 2026Score 2½/6Opp avg 1535Start 1649
Pesta Sukan Rapid 20261407
Aug 2026Swisschess-results.com
#11 in 2026Score 4/9Opp avg 1532Start 1751
[26 Jul] Chess for All Speed Chess - Rapid1822
Jul 2026Swisschess-results.com
Best of 2026Score 4/6Opp avg 1697Start 1631
Go Checkmate Clementi Branch - 2nd Anniversary Open FIDE Rated Chess Tournament1755
Jul 2026Swissfederation source
#4 in 2026Score 4/6Opp avg 1515Start 1631
TPWCC Blitz & Rapid 2026 - Open [5th July]1812
Jul 2026Swisschess-results.com
#2 in 2026Score 4/7Opp avg 1740Start 1631
35th Chess.sg Rapid Championship | 15+10 7 Rds | Sat June 27 | $351748
Jun 2026Swisschess-results.com
#5 in 2026Score 5/7Opp avg 1623Start 1593
[30 May] SMU Chess Meet Summer 20261580
May 2026Swisschess-results.com
#7 in 2026Score 4/7Opp avg 1652Start 1605
32nd Chess.sg Rapid Championship | 15+10 7 Rds | Sat May 16 | $351573
May 2026Swisschess-results.com
#8 in 2026Score 4/7Opp avg 1766Start 1605

Rated near De Yu Siu · Rapid

World

#=116734Soizhin Bazyrzhapova1596.6
#=116734Maksim Isaev1596.6
#=116734De Yu Siu1596.6
#=116734Axel Tatarusanu1596.6
#=116734Fatima Mendez Machado1596.6

Singapore

#=399Yu Zhe Jarius Yeo1597.0
#=399Shane Lucas Yeo1597.0
#401De Yu Siu1596.6
#402Wei-En Kho1596.0
#=403Hao Wei Jayden Ho1595.0

Live ratings projected from the OCT26 published list · Not affiliated with FIDE