What is Klein, Robert S's FIDE rating?

Klein, Robert S's current standard FIDE rating is 1635.

What is Klein, Robert S's world ranking?

Klein, Robert S is currently ranked #133,792 in the world (standard rating).

What is Klein, Robert S's ranking in United States of America?

Klein, Robert S is currently ranked #4047 in United States of America.

What is Klein, Robert S's continental ranking?

Klein, Robert S is currently ranked #16,430 in their continent.

What is Klein, Robert S's ranking in the 80+ category?

Klein, Robert S is ranked #18 in United States of America in the 80+ age group.

What is Klein, Robert S's all-time highest FIDE rating?

Klein, Robert S's all-time peak standard rating is 1635.

When did Klein, Robert S receive their first FIDE rating?

Klein, Robert S first appeared in the FIDE rating list in 2023.

Which federation does Klein, Robert S represent?

Klein, Robert S represents United States of America (USA).

How old is Klein, Robert S?

Klein, Robert S was born in 1945 and is 81 years old.

When did Klein, Robert S reach their peak rating?

Klein, Robert S reached their peak standard rating of 1635 in 2026, at age 81.

KR

Klein, Robert S

🇺🇸

FIDE 39940730· Male· United States of America· Born in 1945

Robert S Klein, a 81-year-old American player, is rated 1635 — his current career high. He plays occasionally (7 games in the last 12 months) and took a 12-month break between Dec 2023 and Jan 2025. Recent appearance: 60th American Open - Class A.

Current rating

1635

Standard

Rpd—·Blz—

All-time high

1635

at best
Jan 2026 · age 81

Activity

7

games / yr avg. · ≈1/mo

7 past 12 mo · ≈1/mo
classical only
Occasional

Signature stat

#133,799

#133,799 · players worldwide · of 218,279

Career timeline

9 entries

2026

18th American 80+ player

at age 81 · rated 1635

Jun 2026

All-time peak 1635

at age 81

Jan 2026

2025

Best 12-month gain (+276 Elo)

1348 → 1624

Jan 2025

2024

Crossed 1600

at age 79

Mar 2024

Crossed 1500

at age 79

Mar 2024

Crossed 1400

at age 79

Mar 2024

Standard rating history

Peak

FIDE title

Threshold

First rated

Inactive period

FIDE recal.

Activity & highlights

Top opponent

vs Matthew Hajoon Choe 1,680

60th American Open - Class A · Nov 2025 · +22.6 Elo

Evolution

+11

1624 → 1635

Tournaments

1

8 games

Score

4/ 850.0%

4W0D4L

Top 3 wins

1.[W]vsMatthew Hajoon Choe1,680·60th American Open - Class A·R1·+22.6

2.[W]vsRyan Joonwoo Kim1,627·60th American Open - Class A·R5·+19.5

3.[W]vsRico Adkins1,623·60th American Open - Class A·R2·+19.3

Top 3 losses

1.[L]vsAlbert Hao Wang1,471·60th American Open - Class A·R8·-28.8

2.[L]vsLouie G Rivera1,537·60th American Open - Class A·R7·-25.5

3.[L]vsGavin Tjipto1,646·60th American Open - Class A·R3·-19.4

Last 12 months — tournaments

1 event

Event	Date	Score	Rank	Perf	Δ Elo
60th American Open - Class A Open Swiss	Nov 2025	4/7	#10	1650	+10.8	▸

Rankings

/

United States of America

#4,047

out of 5,510 players

Americas

#16,430

in continent

World

#133,792

out of 400,000+

National ranking

Europe & World

Europe

World

United States of America

1	🇺🇸Nakamura, Hikaru	2,792
1	🇺🇸Caruana, Fabiano	2,792
3	🇺🇸So, Wesley	2,753
4	🇺🇸Niemann, Hans Moke	2,742
5	🇺🇸Dominguez Perez, Leinier	2,732
6	🇺🇸Aronian, Levon	2,724
7	🇺🇸Liang, Awonder	2,696
7	🇺🇸Sevian, Samuel	2,696
9	🇺🇸Xiong, Jeffery	2,656
10	🇺🇸Robson, Ray	2,653
...
4047	🇺🇸Klein, Robert S	1,635

Americas

1	🇺🇸Nakamura, Hikaru	2,792
1	🇺🇸Caruana, Fabiano	2,792
3	🇺🇸So, Wesley	2,753
4	🇺🇸Niemann, Hans Moke	2,742
5	🇺🇸Dominguez Perez, Leinier	2,732
6	🇺🇸Aronian, Levon	2,724
7	🇺🇸Liang, Awonder	2,696
7	🇺🇸Sevian, Samuel	2,696
9	🇺🇸Xiong, Jeffery	2,656
10	🇺🇸Robson, Ray	2,653
...
16430	🇺🇸Klein, Robert S	1,635

World

1	🇳🇴Carlsen, Magnus	2,841
2	🇺🇸Nakamura, Hikaru	2,792
2	🇺🇸Caruana, Fabiano	2,792
4	🇺🇿Abdusattorov, Nodirbek	2,777
4	🇺🇿Sindarov, Javokhir	2,777
6	🇩🇪Keymer, Vincent	2,767
7	🇳🇱Giri, Anish	2,764
8	🇮🇳Erigaisi Arjun	2,761
9	🇺🇸So, Wesley	2,753
9	🇨🇳Wei, Yi	2,753
...
133792	🇺🇸Klein, Robert S	1,635