Rosa Ratsma

Rosa Ratsma
Association	Netherlands
Born	October 17, 1996 Leiden
title	International Champion of Women (2018)
Current  Elo rating	2306 (April 2020)
Best Elo rating	2306 (April 2020)
Tab at the FIDE (English)

Rosa Juliette Ratsma (born October 17, 1996 in Leiden ) is a Dutch chess player .

Life

She learned to play chess from her father at the age of seven. Rosa Ratsma attended the Leiden municipal high school . At Utrecht University , she received a bachelor's degree in clinical psychology in 2017 and a bachelor's degree in artificial intelligence in 2018. In the course of artificial intelligence, she is completing a master’s degree in Utrecht.

She was trained from 2014 to 2016 by the international master Merijn van Delft .

Her older brother Midas (* 1995) is also a chess player and holds the title of FIDE Master (FM).

successes

In May 2014 she won the Dutch U20 championship for women in Rotterdam . At the Dutch women's individual championship in Amsterdam in 2018 , she finished third behind Peng Zhaoqin and Tea Lanchava .

She played for the Dutch women's national team for the first time at the 2018 Chess Olympiad in Batumi . On the reserve board she got 6.5 points from 8 games. She also played on the reserve board in Batumi at the 2019 European Women's Team Championship.

Rosa Ratsma has been playing club chess in the Netherlands for Schaakvereniging Voorschoten since she was eight . In the Belgian top league, the Interclubs, she has been playing for Schaakclub Wachtebeke since the 2017/18 season . In Greece she has been playing for AO Zenon Glyfadas since 2016 .

Since April 2018 she has held the title of International Women's Champion (WIM). She achieved the norms for this at the 8th Chess Festival in Vaujany in July 2017, in the A-group of the Schwarzacher Open in Schwarzach im Pongau in August 2017 with over-fulfillment and at the Haarlemse Meesters in Haarlem in October 2017. A WIM norm that she at Open in Zadar in December 2017, she no longer needed for the title.

Game example

	a	b	c	d	e	f	G	H
8th									8th
7th									7th
6th									6th
5									5
4th									4th
3									3
2									2
1									1
	a	b	c	d	e	f	G	H

Ratsma (2103) - Haslinger (2546)
position after 51. Rh1 – Rh4 ++

At the six-round Hague weekend tournament in November 2014 in The Hague , Rosa Ratsma took fourth place. In the second round she met the English grandmaster Stewart Haslinger , who had 443 Elo points more than her. She defeated him in a Spanish game .

Ratsma - Haslinger 1-0

The Hague , November 15, 2014

Spanish game , C90

1. e2 – e4 e7 – e5 2. Ng1 – f3 Nb8 – c6 3. Bf1 – b5 a7 – b6 4. Bb5 – a4 Ng8 – f6 5. 0–0 Bf8 – e7 6. Rf1 – e1 b7 – b5 7. La4 – b3 d7 – d6 8. c2 – c3 0–0 9. d2 – d3 Sc6 – a5 10. Bb3 – c2 c7 – c5 11. Nb1 – d2 Nf6 – d7 12. Nd2 – f1 Nd7 – b6 13. h2– h3 Sa5 – c6 14. Nf1 – e3 Bc8 – e6 15. Ne3 – f5 Be7 – f6 16. Bc1 – e3 g7 – g6 17. Nf5 – h6 + Kg8 – h8 18. d3 – d4 c5xd4 19. c3xd4 e5xd4 20. Nf3xd4 Nc6 -E5 21. Nd4xLe6 f7xLe6 22. Be3 – d4 Nb6 – c4 23. Re1 – b1 Ra8 – c8 24. Bc2 – b3 Qd8 – e7 25.Nh6 – g4 Ne5xNg4 26. h3xNg4 e6 – e5 27. Bd4 – e3 Nc4xLe3 28. Re1xSe3 Bf6 – g5 29. Re3 – d3 De7 – a7 30. Qd1 – e2 Rf8 – f6 31. Rb1 – f1 Qa7 – b6 32. g2 – g3 a6 – a5 33. Rd3 – f3 Rc8 – f8 34. Rf3xRf6 Rf8xRf6 35. Kg1 – g2 a5 – a4 36. Bb3 – d5 Rf6 – f8 37. De2 – c2 Qb6 – b8 38. b2 – b3 a4 – a3 39. b3 – b4 Rf8 – c8? 40. Dc2 – d3 Bg5 – c1 41. Bd5 – e6 Rc8 – c6 42. Be6 – d7 Tc6 – c4 43. Bd7xb5 Rc4 – d4 44. Qd3 – e2 Lc1 – b2 45. Bb5 – c4 Db8xb4 46. Lc4 – d5 Rd5 –D2 ?? 47. Qe2 – f3 Kh8 – g7 48. Qf3 – f7 + Kg7 – h6 49. Rf1 – h1 + Kh6 – g5 50. Qf7 – e7 + Kg5xg4 51.Rh1 – Rh4 ++ (mate, diagram )

Web links

• Replayable chess games by Rosa Ratsma on chesstempo.com (English)
• Rosa Ratsma on chessqueens.nl (Dutch)

Individual evidence

1. ↑ ^{a b} Interview with Rosa Ratsma on the Schaakvereniging Paul Keres website (Dutch)
2. ↑ WIM application on the website of the World Chess Federation FIDE (English)