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D E Cori Tello 
Photo copyright © 2010 Zeljka Malobabic.  
Deysi Estela Cori Tello
Number of games in database: 195
Years covered: 2003 to 2015
Last FIDE rating: 2421 (2390 rapid, 2366 blitz)
Highest rating achieved in database: 2444
Overall record: +100 -46 =38 (64.7%)*
   * Overall winning percentage = (wins+draws/2) / total games
      Based on games in the database; may be incomplete.
      11 exhibition games, odds games, etc. are excluded from this statistic.

With the White pieces:
 Queen's Pawn Game (36) 
    A46 D02 A40 E10 A41
 King's Indian (25) 
    E60 E62 E63 E61 E76
 Slav (7) 
    D11 D17 D16 D19 D10
 Semi-Slav (5) 
    D45 D46 D47 D44
 Modern Benoni (4) 
    A57 A77 A62
 Grunfeld (4) 
    D75 D79 D97 D80
With the Black pieces:
 French Defense (40) 
    C11 C01 C03 C05 C18
 French (12) 
    C11 C00 C10
 French Tarrasch (12) 
    C03 C05 C04 C07
 Nimzo Indian (9) 
    E32 E43 E47 E20 E59
 English (6) 
    A17 A15 A18 A14 A10
 French Winawer (6) 
    C18 C19 C15
Repertoire Explorer

NOTABLE GAMES: [what is this?]
   D E Cori Tello vs A Muzychuk, 2010 1-0
   P V Nandhidhaa vs D E Cori Tello, 2011 0-1

NOTABLE TOURNAMENTS: [what is this?]
   48th World Junior Championship (Girls) (2009)
   World Junior Championships (Girls) (2011)
   Chess Olympiad (Women) (2014)
   World Junior Championship (Girls) (2012)
   World Junior Championship (Girls) (2013)
   World Junior Championship (Girls) (2010)
   Chess Olympiad (Women) (2010)
   Chess Olympiad (Women) (2012)
   Reykjavik Open (2010)
   Gibraltar (2010)
   Reykjavik Open (2009)
   Chigorin Memorial (2012)

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FIDE player card for Deysi Estela Cori Tello

(born Jul-02-1993, 22 years old) Peru

[what is this?]
Born in Lima, Deysi Cori is a WGM with at least six IM norms and an entitlement to an automatic grant of an IM title because of her qualification to the 2013 World Cup. She is the older sister of GM Jorge Cori.


Cori came 2nd in the Women's Continental Championships in September 2009 and then won the World U16 (Girls) championship held in Antalya, Turkey in November 2009 ahead of Meri Arabidze. In October 2010, she was runner up on count back to Narmin Kazimova in the World Girls U18 Championship, both women scoring 9/11 and in November 2010, she scored 5.5/9 in the Pan American Continental Championships, her only loss being to her brother, Jorge. In December 2010, she was eliminated from the first round of the Women's World Chess Championship (2010) by IM Mariya Muzychuk but in June 2011 she came =1st with 7/9 in the Pan-American Absolute Championship (U20) alongside Argentinian FM Leandro Krysa, and =1st with 8.5/11 in the Women's Continental Championship IN Ecuador alongside Cuban WGM Oleiny Linares Napoles . In July 2011 she made a clean sweep of the field with 8/8 at the Pan American Youth (U​​-18 Women) Tournament. After a modest performance at the World Junior Championship (Girls) (2010), where she scored 8.5/13 to place =7th, she returned the following year to record her greatest triumph so far, to win the World Junior Championships (Girls) (2011) outright with 11/13 (+9 -0 =4), coming from behind with a win in the last round and winning an IM norm. Upon Coriís return to Lima, Peruvian President Humala honored her at a nationally televised award ceremony held at the Golden Hall of the Government Palace by awarding her the medal of honor for sporting achievement, and giving her a 25,000-sol (US$9,100) cash prize. (1) In November 2011, she was the only female in the field that contested the open U18 World Championships. She lost the last round to place =8th, scoring 6/9 for a TPR of 2440. Had she drawn the game, she would have been =5th, and a win would have placed her =2nd. She failed to defend her Junior (Girls) crown by losing the last two rounds to place 6th, a point behind the coleaders of the World Junior Championship (Girls) (2012). She qualified for the FIDE Knock-out Women's World Championship (2012), but lost in the first round to the eventual winner, and 2012 Women's World Champion, Ukrainian IM Anna Ushenina.

In May 2013, she placed 6th in the American Continental Championship and consequently qualified for the World Cup (2013), the only woman to do so via a qualifying tournament apart from Judit Polgar; her opponent in the first round was US super-GM Hikaru Nakamura, to whom she lost and therefore exited the event. In March 2014, she competed in the 7th Women's Championship of the Continental Americas as the rating favorite, but scored only 6/9 to place =4th. In October 2014, she scored 7.5/11 in the American Continental Championship restoring the 14 Elo points lost from her poor showing at the Hostafrancs International Open in August. Cori competed in the FIDE Women's World Chess Championship (2015) but was eliminated in the first round by Tingjie Lei.


Cori played board 1 for Peru at the Chess Olympiad (Women) (2012) in Istanbul, scoring 7.5/11, and again at the Chess Olympiad (Women) (2014), this time scoring 9.5/11, althought this was insufficient for a medal.


Cori came a strong =11th-33rd (26th place on count back) with a 2562 performance in a field of 640 players in the Cappelle la Grande (2010), earning her another IM norm and just short of a GM norm. In August 2010, Cori played in the 12th International Open at Barcelona, scoring 6.5/10 and defeating tournament winner Tomasz Markowski. In April 2011, she scored 5/9 in the American Continental Tournament in Mexico and in August she won the World Girls Junior Championship (see above). She played top board for Peru at the Chess Olympiad (Women) (2010), scoring 8/11 with a 2424 performance rating. In September 2011, she placed outright first in the 2nd Magistral Diez Reinas held in Buenos Aires, scoring 7.5/9, and in November 2011, she scored 6/9 in the 2nd Latin American Cup. Early 2012 has seen a slight downturn in her fortunes with below par performances in the Moscow Open (4/9) and in the Aeroflot Open B (4/9), slicing 29 points from her rating, but a strong 6/9 at the XX Open Ciutat de Montcada in July 2012 and an equally strong 7/10 at the 22nd International Open in Benasque restored the balance while a further result of 7/10 in the powerful Simon Bolivar Tournament in Venezuela in September and October boosted her rating stocks significantly, and also won her another (her 2nd) IM norm, again narrowly missing a GM norm. Like her brother, she scored 6/9 in the Chigorin Memorial (2012), adding a few points to her rating card. However, she started 2013 with a relatively poor 5/9 (+4 =2 -3) at the Copa IPD 2013 "Categoria Especial" in Peru; one of her three losses was to the tournament winner, her brother, Jorge. She gained a measure of revenge by beating Jorge in the 1st Magistral IPD in Lima in February 2013, where she scored at least her 6th IM norm, and picking up 13 rating points for her 5.5/9. A few days later at the 2nd Magistral IPD, she scored a less auspicious 5/10, losing 6 rating points, but still managed to notch a win against Chilean GM Rodrigo Rafael Vasquez Schroeder. In May-June 2013, she came =1st (along with her brother Jorge and others) at the 1st Arequipa International in Peru, scoring 5.5/7.

In June 2014, Cori played in the XXII International Open in Montcada i Reixac, in Spain, scoring a respectable 5.5/9, a point and a half behind the joint winners Ni Hua and Yaroslav Zherebukh. In the following month (July 2014), she scored 6/9 at the 35th International Open at Benasque in Spain. Immediately afterwards, she participated in the 16th International Sant Marti Open in Barcelona where she scored 5/9. In August she scored a relatively poor 6/10 at the International Open in Hostafrancs in Spain.

In December 2014, Cori placed 2nd in the Bolivarian Cup that wss held in Lima. She finished 2014 and started 2015 with =2nd at the 5th Latin American Cup held in Ecuador over the New Year period, scoring 7/9, one point behind the winner Lazaro Bruzon; this event recorded yet another IM norm and she only missed a GM norm as the first two opponents that she defeated were rated too low for her results to be considered, due to the fact that the average rating of all her opponents was slightly below the floor considered under the FIDE regulations for GM norms.


Cori's highest rating to date is 2444, reached in February 2015. Her highest ranking among women was #42 in August 2013 when she was rated 2434, and again in February 2015 (2444).

She has at least 7 IM norms and an automatic qualification as an IM through her qualification to the 2013 World Cup, and the requisite rating for an IM, but it is unclear why she has not yet been awarded the title as she appears to have more than fulfilled all the prerequisites since 2010. (2)

(1):; (2) IM title application from 2010:

Wikipedia article: Deysi Cori

Last update 25 May 2015

 page 1 of 8; games 1-25 of 195  PGN Download
Game  ResultMoves Year Event/LocaleOpening
1. N Paikidze vs D E Cori Tello  1-042 2003 Wch U10 GirlsE73 King's Indian
2. M Pleim vs D E Cori Tello 0-144 2004 36th Olympiad, WomenA48 King's Indian
3. D E Cori Tello vs I Gjorgjieva 1-078 2004 36th Olympiad, WomenD30 Queen's Gambit Declined
4. D E Cori Tello vs N Paikidze  ½-½39 2004 Wch U12 GirlsD31 Queen's Gambit Declined
5. N Paikidze vs D E Cori Tello  ½-½96 2005 Wch U12 GirlsE43 Nimzo-Indian, Fischer Variation
6. S Williams vs D E Cori Tello  1-039 2009 Reykjavik OpenE12 Queen's Indian
7. D E Cori Tello vs P Rout  1-043 2009 48th World Junior Championship (Girls)A57 Benko Gambit
8. D E Cori Tello vs D Tratatovici  0-136 2009 Reykjavik OpenD75 Neo-Grunfeld, Nxd5, 7.O-O c5, 8.dxc5
9. D E Cori Tello vs I Ivakhinova  ½-½80 2009 48th World Junior Championship (Girls)A57 Benko Gambit
10. I Paulet vs D E Cori Tello  0-142 2009 48th World Junior Championship (Girls)C11 French
11. D E Cori Tello vs G Gislason  1-038 2009 Reykjavik OpenE60 King's Indian Defense
12. M Kiran vs D E Cori Tello  0-140 2009 48th World Junior Championship (Girls)C19 French, Winawer, Advance
13. L Shytaj vs D E Cori Tello  1-053 2009 Reykjavik OpenC00 French Defense
14. K Ozturk vs D E Cori Tello  0-158 2009 48th World Junior Championship (Girls)E14 Queen's Indian
15. D E Cori Tello vs S Swaminathan 1-037 2009 48th World Junior Championship (Girls)D17 Queen's Gambit Declined Slav
16. T Thorhallsson vs D E Cori Tello  ½-½38 2009 Reykjavik OpenC11 French
17. D E Cori Tello vs F Steil-Antoni  ½-½41 2009 48th World Junior Championship (Girls)D23 Queen's Gambit Accepted
18. D E Cori Tello vs S Unnarsson  1-037 2009 Reykjavik OpenE68 King's Indian, Fianchetto, Classical Variation, 8.e4
19. L L Aguero Jimenez vs D E Cori Tello  0-159 2009 Capablanca Memorial OpenA05 Reti Opening
20. D E Cori Tello vs T Olsarova  1-042 2009 48th World Junior Championship (Girls)A43 Old Benoni
21. D E Cori Tello vs Zhang Xiaowen  1-083 2009 48th World Junior Championship (Girls)E62 King's Indian, Fianchetto
22. D E Cori Tello vs S Arnalds  1-035 2009 Reykjavik OpenE69 King's Indian, Fianchetto, Classical Main line
23. D E Cori Tello vs N Paikidze  1-048 2009 48th World Junior Championship (Girls)D44 Queen's Gambit Declined Semi-Slav
24. B Thorfinnsson vs D E Cori Tello  1-042 2009 Reykjavik OpenE15 Queen's Indian
25. Z Severiukhina vs D E Cori Tello  1-030 2009 48th World Junior Championship (Girls)C05 French, Tarrasch
 page 1 of 8; games 1-25 of 195  PGN Download
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2) | Cori Tello wins | Cori Tello loses  

Kibitzer's Corner
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Premium Chessgames Member
  Tabanus: Strong 26th place and 2562 perf. today in Cappelle la Grande 2010:

Mar-04-10  BIDMONFA: Deysi Estela Cori Tello

CORI, Deysi E.

Premium Chessgames Member
  Tabanus: She is playing in Open de Sants now, win a nice win today. Games can be followed here:

Premium Chessgames Member
  twinlark: Both Deysi and her brother Jorge are sitting on 3/3. She's probably annoyed about her results in the World Junior Girls where she underperformed.
Aug-24-10  brucejavier: She has beaten top seed in Open International de Sants in round 3. GM Markowski Tomasz amazing result
Premium Chessgames Member
  Tabanus: Yes,

[Event "Open de Sants"]
[Date "2010.08.22"]
[Round "3"]
[White "Markowski, Tomasz"]
[Black "Cori, Deysi"]
[WhiteElo "2628"]
[BlackElo "2403"]
[Result "0-1"]

1. g3 Nf6 2. Bg2 d5 3. Nf3 g6 4. b3 Bg7 5. Bb2 b6 6. O-O Bb7 7. c4 dxc4 8. bxc4 c5 9. Qa4+ Qd7 10. Qxd7+ Nbxd7 11. a4 a6 12. d3 O-O 13. Nbd2 Ne8 14. Rfb1 Nd6 15. Bxg7 Kxg7 16. Ng5 Rfb8 17. Nge4 Nxe4 18. Nxe4 Bc6 19. Nxc5 bxc5 20. Bxc6 Rxb1+ 21. Rxb1 Rb8 22. Rxb8 Nxb8 23. Bb7 a5 24. d4 Nd7 25. Bc6 Nf8 26. d5 g5 27. f3 Ng6 28. Kf2 Ne5 29. Bb5 f5 30. e3 g4 31. f4 Nf3 32. Bd7 Kf6 33. e4 fxe4 34. Bxg4 Nxh2 35. Be2 Kf5 36. Bh5 Ng4+ 37. Ke2 Nf6 38. Bf7 Kg4 39. Kf2 Kh3 40. Be6+ Ng4+ 41. Bxg4+ Kxg4 42. Ke3 h5 43. Kxe4 Kxg3 44. f5 h4 45. d6 exd6 46. f6 h3 47. f7 h2 48. f8=Q h1=Q+ 49. Ke3 Qe1+ 50. Kd3 Qd1+ 51. Ke3 Qd4+ 52. Ke2 Qe4+ 0-1

Well played, but 43. Kxe4 was a blunder.

After this she lost (somewhat unluckily) in rounds 4 and 5, and won again today.

Sep-23-10  jaime gallegos: great performance by Deysi Cori until round 3 in the olympiad, today she defeated Arianne Caoli in 40 moves ...
Premium Chessgames Member
  Caissanist: Not that great really, she won most of her games but she was leading a weak team, so most of her opponents were much lower rated (she lost to the only two higher rated opponents she played). It probably would have helped her development more to play one of the bottom boards for the men's team.
Premium Chessgames Member
  wordfunph: beautiful Cori Deysi!

<World Junior Championships 2011 Rd. 9

Peruvian Cori Deysi grabbed solo lead in the girls division.>

Premium Chessgames Member
  wordfunph: congrats to Deysi Cori for winning the World Girls U-20 Chess Championship!

Aug-15-11  TugasKamagong: Undefeated in 13 rounds with 9 wins and 4 draws. Congratulations, Deysi Estela!
Premium Chessgames Member
  twinlark: Congratulations on winning the World Girls Junior!
Aug-15-11  HeMateMe: Peru, next world chess power! Me gusta!
Premium Chessgames Member
  wordfunph: "Every time I played I thought about Peru; because when I play, my country plays. I feel really proud to be a Peruvian. Now, my objective is to train for next year because my main goal is to become the world supreme champion."

- Deysi Cori

Aug-21-11  Jim Bartle: Tremendous reception, hundreds of people, in the Lima airport when she returned. Then she was whisked off to the Presidential palace.
Premium Chessgames Member
  WannaBe: Helloooooooo future ex-ex-ex-ex-ex wife, by the way, I enjoy walking on the beach, (in Alaska, early November, or late March, where I can hunt, I like to play chess, Oh, you too, what a coincidence. BBQ'ed caribou, or moose, if you prefer. Or what ever else you like, I like it too!! =)

Who are the ther 11 that is ranked ahead of you, I will 'take care' of them!! (I'll send <technical draw>, and he'll beg them for 20$ to death!)

If the list includes <Jim Bartle> I'll do it for freeeeeeee!! =)

Premium Chessgames Member
  twinlark: Congratulations to WGM Deysi Cori for both competing in the "Boys" U18 World Championship, placing as well as she did, and scoring above her rating.
Nov-27-11  asianwarrior: A very beautiful lady.
Premium Chessgames Member
  Caissanist: Regarding Deysi's IM title--the Peruvian chess federation is known for having problems getting title applications approved; Emilio Cordova had to wait a year, and Christian Cruz several years, to receive their GM titles after earning them. She'll no doubt get her IM title eventually, after whatever got messed up is fixed.
Premium Chessgames Member
  waustad: The only IM norm mentioned on the FIDE page is one from the Chigorin Memorial. I am aware that there are many norms out there that are not shown on their pages though:
Aug-10-13  torrefan: Nakamura's beautiful first round opponent at the 2013 world cup. I hope he loses concentration.
Aug-11-13  SirRuthless: Apparently he was not ensnared by her beauty.
Sep-20-13  John Abraham: Deysi is in 2nd place in the World Junior Championship with 5.5/7 (4 wins and 3 draws). She is doing very well and I hope she continues to play great chess
Premium Chessgames Member
  Caissanist: The world junior was not kind to Deysi this year, since she lost to a 14 year old (who won the tournament) and a 13 year old (who came second) in the 11th and 12th rounds, both times with the white pieces. This was her last world junior, must have been a bitter pill for her.
Nov-01-13  Firststep2: Fantastic game by Deysi!
Deysi Cori vs Alberto Angulo
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