Thyseas Giakoumis

GRE · 13 yrs · Peak 1454 (May 2026)

Best performance: 1744 at JUNIOR ULTIMA SERIES A GROUP by ASOP DIAS Apr 2026 A2(Best of 2026)

NOV26 Rating

—

Live Rating

Unrated

Change

—

Games Played

How live ratings are calculated

Rating History · Blitz

Loading chart…

Blitz rating 1447 to 1422 since October 2025; peak 1454 in May 2026.

Official rating by month

Each month: the rating, its change from the list before, and the rated games FIDE counted.

List	Rapid	Blitz
Nov 2026	1482, +16, 4 games	unrated
Oct 2026	1466, 0, 0 games	unrated
Sep 2026	1466, 0, 0 games	1422, 0, 0 games
Aug 2026	1466, 0, 0 games	1422, +14, 41 games
Jul 2026	1466, 0, 0 games	unrated
Jun 2026	1466, +30, 18 games	1408, -46, 5 games
May 2026	unrated	1454, +32, 9 games
Apr 2026	unrated	1422, +6, 41 games
Feb 2026	1436, +1, 12 games	1416, -33, 6 games
Jan 2026	unrated	1449, +35, 30 games
Dec 2025	1435, 0, 0 games	unrated
Nov 2025	1435, 0 games	1414, 4 games

Form · Blitz

oldest → latest

Longest unbeaten run in 2026: 3 games, Apr 5.

From 253 blitz games on record, the latest on Oct 19.

No blitz rating: this player isn’t on the NOV26 blitz list

Best wins · Blitz

From 161 rated blitz games against rated opponents, 2025–2026

#	Opponent	Rating
1,	Platon Ioannis Zavras, Apr 2026 · JUNIOR ULTIMA SERIES A GROUP by ASOP DIAS Apr 2026 A2	, 1616
2,	Alexandros Chr Anastasiadis, Jun 2026 · Junior Ultima by ASOP DIASJune 2026 - 2A	, 1569
3,	Nikolaos Maras, Apr 2026 · JUNIOR ULTIMA SERIES A GROUP by ASOP DIAS Apr 2026 A2	, 1546
4,	Angelos Chanialidis, Mar 2026 · Junior Ultima Blitz by ASOP DIAS Mar 2026 - 5A	, 1535
5,	Antigoni Syrou, Oct 2026 · JUNIOR ULTIMA SERIES A GROUP by ASOP DIAS 04/10/2026	, 1497
6,	Christos Vrontos, 2 wins, Mar 2026 · Junior Ultima Blitz by ASOP DIAS Mar 2026 - 3A	, 1485
7,	Lamprinos Ntoulas, Sep 2026 · JUNIOR ULTIMA SERIES A GROUP by ASOP DIAS 27/09/2026	, 1482
7,	Orestis Giassias, Feb 2026 · Junior Ultima Blitz by ASOP DIAS Feb 2026 - 1A	, 1482
9,	Dionysios Vorrisis, 2 wins, Jun 2026 · JUNIOR ULTIMA SERIES A GROUP by ASOP DIAS 07/06/2026	, 1473
10,	Panagiota Koliokitsou, 2 wins, May 2025 · ACC Sunday Blitz May 2025 - 3	, 1466

#	Opponent	Overall	Rating
1,	Dimosthenis Panagiot Tzortzatos, Highest-rated meeting: Jun 2026 · Grand Chess Series May Grand Prix Blitz 5'+3''	, ½/4	, 2144
2,	CM Vasileios Fragkos, Highest-rated meeting: May 2025 · Speed Chess by ASOP Dias - Blitz May 2025 - 3	, 0/1	, 2138
3,	Dimitrios Kassios, Highest-rated meeting: May 2025 · PFC by ASOP Dias, K18 May 2025 Bliz	, 0/1	, 2122
3,	FM Nikolaos Poupalos, Highest-rated meeting: May 2025 · Speed Chess by ASOP Dias - Blitz May 2025 - 3	, 0/1	, 2122
5,	Apostolos Lafkidis, Highest-rated meeting: Apr 2025 · Speed Chess by ASOP Dias - Blitz Apr 2025 - 5	, 0/1	, 2080
6,	Fotis Kastis, Highest-rated meeting: May 2025 · Speed Chess by ASOP Dias - Blitz May 2025 - 2	, 0/2	, 2020
7,	Efraim Galanopoulos, Highest-rated meeting: Jun 2026 · Grand Chess Series May Grand Prix Blitz 5'+3''	, 0/5	, 1974
8,	Nikolaos Alexandros Dallas, Highest-rated meeting: Nov 2025 · ACC Sunday Blitz Nov 2025 - 2	, 0/2	, 1912
9,	Panagiotis Kosmadakis, Highest-rated meeting: Apr 2025 · Speed Chess by ASOP Dias - Blitz Apr 2025 - 5	, 0/1	, 1884
10,	Panagiotis Spyridon Galerakis, Highest-rated meeting: Jun 2026 · Grand Chess Series May Grand Prix Blitz 5'+3''	, ½/3	, 1873

Event timeline · Blitz

28 of 40 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.

Performance rating by month

Month	Games	Score	Avg opp	TPR
Oct 2026	13	3	1478	1267
Sep 2026	12	3	1471	1278
Jun 2026	32	4	1641	1319
Apr 2026	10	3	1611	1462
Mar 2026	18	5½	1510	1369
Feb 2026	9	1	1548	1197
Jan 2026	7	1½	1514	1284
Dec 2025	4	1	1580	1387
Nov 2025	10	1	1640	1274

Games count in the month they were played. Each month and year is one performance rating over all of its rated games.

JUNIOR ULTIMA SERIES A GROUP by ASOP DIAS 19/10/2026, 1260
Oct 2026Swisschess-results.com
#12 in 2026Score 2/7Opp avg 1453
JUNIOR ULTIMA SERIES A GROUP by ASOP DIAS 11/10/2026, 697
Oct 2026Swisschess-results.com
Score 2½/6Opp avg 1497
JUNIOR ULTIMA SERIES A GROUP by ASOP DIAS 04/10/2026, 1360
Oct 2026Swisschess-results.com
#7 in 2026Score 3/7Opp avg 1485
JUNIOR ULTIMA SERIES A GROUP by ASOP DIAS 27/09/2026, 1359
Sep 2026Swisschess-results.com
#8 in 2026Score 3/7Opp avg 1484Start 1422
JUNIOR ULTIMA SERIES A GROUP by ASOP DIAS 20/09/2026, 1186
Sep 2026Swisschess-results.com
#13 in 2026Score 2/7Opp avg 1459Start 1422
Tag Team Blitz by ASOP DIAS 25/06/2026, 827
Jun 2026Teamchess-results.com
Score 0/6Opp avg 1627Start 1408
Tag Team Blitz by ASOP DIAS 18/06/2026, 885
Jun 2026Teamchess-results.com
Score 0/4Opp avg 1685Start 1408
Junior Ultima by ASOP DIASJune 2026 - 2A, 1418
Jun 2026Swissfederation source
#4 in 2026Score 3/7Opp avg 1543Start 1408
Tag Team Blitz by ASOP DIAS 11/06/2026, 1475
Jun 2026Teamchess-results.com
#2 in 2026Score 2/4Opp avg 1600Start 1408
JUNIOR ULTIMA SERIES A GROUP by ASOP DIAS 07/06/2026, 1310
Jun 2026Swisschess-results.com
#9 in 2026Score 2/7Opp avg 1550Start 1408
Tag Team Blitz by ASOP DIAS 04/06/2026, 1 rated game
Jun 2026Teamchess-results.com
Score 2/4Opp avg 1430Start 1408
Grand Chess Series May Grand Prix Blitz 5'+3'', 1024
Jun 2026Swisschess-results.com
Score 0/7Opp avg 1824Start 1408
GRAND CHESS SERIES SPEED CHESS GP - Apr 2026 Blitz 1, 866
Apr 2026Swissfederation source
Score 0/7Opp avg 1666Start 1422
JUNIOR ULTIMA SERIES A GROUP by ASOP DIAS Apr 2026 A2, 1744
Apr 2026Round robinfederation source
Best of 2026Score 2/6Opp avg 1619Start 1422
JUNIOR ULTIMA SERIES A GROUP by ASOP DIAS Apr 2026 A, 2 rated games
Apr 2026Swissfederation source
Score 3/7Opp avg 1463Start 1422
Junior Ultima Blitz by ASOP DIAS Mar 2026 - 5A, 1393
Mar 2026Swissfederation source
#5 in 2026Score 2/7Opp avg 1465
Junior Ultima Blitz by ASOP DIAS Mar 2026 - 4A, 1443
Mar 2026Swissfederation source
#3 in 2026Score 4/7Opp avg 1443
GRAND CHESS SERIES SPEED CHESS GP - Mar 2026 Blitz 1, 806
Mar 2026Swissfederation source
Score 1/6Opp avg 1606
Junior Ultima Blitz by ASOP DIAS Mar 2026 - 3A, 1384
Mar 2026Swissfederation source
#6 in 2026Score 3½/7Opp avg 1533
Junior Ultima Blitz by ASOP DIAS Feb 2026 - 3A, 2 rated games
Feb 2026Swissfederation source
Score 3/7Opp avg 1601Start 1416
Junior Ultima Blitz by ASOP DIAS Feb 2026 - 2A, 2 rated games
Feb 2026Swissfederation source
Score 2/6Opp avg 1507Start 1416
Junior Ultima Blitz by ASOP DIAS Feb 2026 - 1A, 1303
Feb 2026Swissfederation source
#10 in 2026Score 2/7Opp avg 1543Start 1416
Junior Ultima Blitz by ASOP DIAS Jan 2026 - 2A, 2 rated games
Jan 2026Swissfederation source
Score 1½/6Opp avg 1483Start 1449
Junior Ultima Blitz by ASOP DIAS Jan 2026 - 1A, 1286
Jan 2026Swissfederation source
#11 in 2026Score 2/8Opp avg 1526Start 1449
Junior Ultima by ASOP DIAS Dec 2025 - 2, 1 rated game
Dec 2025Swissfederation source
Score 1/6Opp avg 1717

Live rating: FIDE’s November list plus every rated game played since. Not affiliated with FIDE.