# Akiba Rubinstein

> Russian-Polish chess player

**Wikidata**: [Q318597](https://www.wikidata.org/wiki/Q318597)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Akiba_Rubinstein)  
**Source**: https://4ort.xyz/entity/akiba-rubinstein

## Summary
Akiba Rubinstein was a Russian-Polish chess player and a member of the species Homo sapiens. He is best known for his contributions to chess opening theory, specifically the "Queen's Gambit Declined, Rubinstein Trap," a tactical sequence that results in a material advantage for White.

## Biography
- **Nationality:** Russian-Polish
- **Known for:** The Queen's Gambit Declined, Rubinstein Trap
- **Field(s):** Chess
- **Aliases:** Akiba Kiwelowicz Rubinstein

## Contributions
Akiba Rubinstein is credited with the development of the "Queen's Gambit Declined, Rubinstein Trap." This chess trap occurs in the Queen's Gambit Declined opening, which begins with the moves 1. d4 d5 2. Nf3 Nf6 3. c4 e6. The specific trap sequence involves the moves 4. Bg5 Nbd7 5. e3 Be7 6. Nc3 0-0 7. Rc1 Re8 8. Qc2 a6 9. cxd5 exd5 10. Bd3 c6 11. 0-0 Ne4 12. Bf4. If Black responds with 12... f5, White plays 13 Nxd5 to win a pawn.

## FAQs
**What is the Rubinstein Trap in chess?**
The Rubinstein Trap is a chess trap in the Queen's Gambit Declined opening where White wins a pawn. It occurs after the specific move sequence 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Nbd7 5. e3 Be7 6. Nc3 0-0 7. Rc1 Re8 8. Qc2 a6 9. cxd5 exd5 10. Bd3 c6 11. 0-0 Ne4 12. Bf4 f5 13 Nxd5.

**What is Akiba Rubinstein's full name?**
Akiba Rubinstein's full alias is Akiba Kiwelowicz Rubinstein.

**What countries is Akiba Rubinstein associated with?**
He is described as a Russian-Polish chess player, linking him to both the Russian Empire and Poland.

## Why They Matter
Akiba Rubinstein holds significance in the field of chess for the identification of a specific tactical motif that bears his name. The Rubinstein Trap provides a strategic resource for players of the white pieces in the Queen's Gambit Declined, allowing for a concrete material gain (a pawn) if the opponent falls into the specific sequence. His work contributes to the theoretical body of chess openings studied by players participating in tournaments.

## Notable For
- Originating the Queen's Gambit Declined, Rubinstein Trap.
- Being a notable Russian-Polish chess player.
- Holding the alias Akiba Kiwelowicz Rubinstein.

## Body
### Identity and Background
Akiba Rubinstein, also known as Akiba Kiwelowicz Rubinstein, is a human belonging to the species Homo sapiens. His primary occupation is that of a chess player, defined as an individual who takes part in chess tournaments. He has a recognized presence in knowledge bases with a sitelink count of 39 and a Wikipedia entry titled "Akiba Rubinstein."

### Nationality and Geography
Rubinstein is identified as Russian-Polish, connecting him to two distinct geopolitical entities. His background is associated with the Russian Empire, a former empire in Eurasia and North America that existed from October 22, 1721, until 1917. Additionally, he is linked to Poland, a country in Central Europe. Poland's political history is complex, with various inception dates including the early Civitas Schinesghe in 960, the Kingdom of Poland in 1025, the Duchy of Warsaw in 1807, Congress Poland in 1815, the Kingdom of Poland in 1917, the Second Polish Republic in November 1918, the Polish People's Republic in July 1947, and the Third Polish Republic in December 1989.

### Chess Theory and the Rubinstein Trap
A defining aspect of Rubinstein's legacy lies in chess opening theory. He is the namesake of the "Queen's Gambit Declined, Rubinstein Trap." This trap is laid by White and follows the opening moves 1. d4 d5 2. Nf3 Nf6 3. c4 e6. The tactical sequence continues with 4. Bg5 Nbd7 5. e3 Be7 6. Nc3 0-0 7. Rc1 Re8 8. Qc2 a6 9. cxd5 exd5 10. Bd3 c6 11. 0-0 Ne4 12. Bf4. The critical moment occurs after Black plays 12... f5; White then responds with 13 Nxd5, resulting in a won pawn.

## References

1. Integrated Authority File
2. International Standard Name Identifier
3. [Source](https://www.kwabc.org/en/newsitem/rubinsteins-dob.html)
4. [Source](https://encyklopedia.pwn.pl/haslo/;3969729)
5. Freebase Data Dumps. 2013
6. Virtual International Authority File
7. OlimpBase
8. LIBRIS. 2012
9. Sejm-Wielki.pl