My chess bio:

Place of birth & birth date:

Chernovci, Ukraine-January 29,1974

Current residence:

Tarragona, Spain since about 5 years;

But I spent more than 20 years in Israel ( I immigrated from Ukraine when I was 2 years old!) ,and I had the luck to stay 3 years in France (Cannes, Tulouse and Paris) 1 year in Prague ,8 months in Switzerland, half year in Ljubliana (Slovenia) and Budapest…

And many other great places around the world!

Marital status:

Married since 25 of July 2003! (with women international master Plachkinova-Kogan Tatiana).I am proud to be a father of a wonderful girl called Carolina (born in 2004) and of a sweet boy called Rafael ( born in 2014).

- - My chess style:

Playing for harmony to make all the pieces smile! ( positionally and tactically ..)

Especially with aggressive , tactical , inventive and creative chess!

- - Favorite Openings:

I like many openings .I’ve tried practically most of them .But I’ve used above all ,with big success: Sicilian (Taimanov) Sozin Attack with white,Rossolimo (with both colors!) and a s black the Volga Gambit ,Nimzo, and the Scandinav defense. (often I made it to be an attack:-))

- - Chess heroes that influenced me the most:

World Champions GM’s Alechin ,Fischer, Smyslov and Tal…ok, also Kasparov!

When and how I achieved my chess title:

1991 Biel – 1st International master norm and Loyds Bank – 2nd International master norm

1993 Groningen 3rd International master norm

1994 Kecskemet (HUN) 9 points out of 11 -1st Grandmaster norm

1997 Koszeg (HUN) 8 p. out of 11 – 2nd Grandmaster norm

1998 Novi Sad (Yugoslavia) 9 p. out of 12 – 3rd Grandmaster norm

Major tournaments and match results:

1981-1989 Winner of Town open championships in Israel of Bat-Yam, Holon , Rishon-Lezioh, Petan – Tikva…and many junior events…

1989 -World Championship under 16 – 2-4th place

1994 – Saanen cat 5- 2nd place

1994 – Lenk 2nd place before GM’s Gofshtein , Georgeio…

1994 – Draw with Kasparov in Simul

1995 – Winning the CZE league with a team of Prague,

1995 – 3rd place in open Ch. of Slovakia

1996 – Winning the Team Championship of Israel -with Elitzur club ,( scoring 8,5 points out of 10)

1996 – Formie (FRA) 1st place (5,5 points out of 6)

1996 – Vlissingen – 1st place ( 6 points out of 7 ) ,before GM’s like Ehlvest , Hort, Bagirov…

1996 – Sas Van Gent open (Holland) -1st place

1996 – Israeli Championship – 4th place (6,5 p. out of 9)

1996 – Ischia (Italy) -1st place (7 p. out of 8)

1997 – Pak Atom Cup (Hun) – 2nd place ( 7 p. out of 11)

1997/98 -Team Championship playing with Nice – 2nd place

1998 – Ljubliana (Slovenia)- share 1st place with Avruch & Sax ( 7 p. out of 9)

1998 – Pyramiden cup( Germany) – 1st place ( 7 p. of 9) before Gm’s like Hickl ,Onischuk ,Hamdouchi

1999 – Ljubliana , share 1st place ( 7 p. of 9 ) with gms Sveshnikov, Kozul, Kujraica

2000 – Cannes Master (Fra) – ; Beating GM Nisipeano (who just came back finishing 3th in the world champion in Las-Vegas!) 2-0! , losing 1/2 final to Savchenko 3,5-2,5

2000 – Almassora (Esp) – 1st place ( 7 p. out of 9 )

2000 – Cutro open ( Italy ) – 1st place (7,5 p. out of 9 )

2000 – Quebec open Ch ,Montreal – 1st place (7 p. / 9)

2001 – Nordic Scandinavian open Championship ,Bergen – 1st place ( 8 points out of 9! )

2001 – Lisbon ( Portugal ) – 2nd place ( 7 points out of 9 ) with Oratovsky -after GM Piket ,before Gm’s like Atalik , Kotronias , Ftachnik…

2001 – Salou Costa Dorada close tournament ( Spain ) – 1st place ( 6,5 points out of 11)

2002 – Genove ( Italy ) – 1st place ( 7 of 9 )

2002 – Merida ( MEX ) went till the 1/4 final after beating GM Lalic in the 1/8 1.5-0.5…

2003 – Zaragoza open – 2-3 place ( 7,5 points out of 9 )

2003 – Winner of Aragon Championship with the team of Olivar (4 points out of 6) first board

2003 – French Team Championship ( 2nd division ) with club of Evry ( 6 points out of 7 ) at 1st-2nd board

2003-Close tournament Costa Dorada-3rd place

2004-International Open tournament Dos Hermanas-3rd place

2004-International tournament of Salou-shared 1-2 (2ºplace with 7p out of 9)

2004-International Open of Benasque- share 1-5place( 2ºplace with 8points out of 9)

2004-International Tournament of Tarragona -shared 1-4place ( 2ºplace with 7p out of 9)

2005-Shared first place in Paris open

2005 Tarragona open 1th place!

2006 Ashdod open (Israel) Shared first place with Sutovsky and Smirin!

2006-Ashdod Open(in Israel) shared 1ºplace with Sutovsky and Smirin

2007-International tournament Poble de Lillet- 1ºplace (7p.out of 9) http://www.jeruchess.com/chess/koganniko/kogang0.htm

2008-Bornholm International (3ºplace)

http://www.balticseacup.dk/bsc08/.\runde_pgn\bsc08-Fort-R10.htm

2009-Champion of Israel team Ch.

2010- Champion of Israel for teams with Ashdod and of Bulgaria with Vidin http://dejanbojkov.blogspot.com/2010/06/bulgarian-team-championships.html

Second place in Frannch league with Evry.

2010 Xanxenxo,Spain – 1th place

2010-Champion Copa Tarragona

2011- st in the Internacional tournament of Torredembarra

2011- Captain and trainer of the Italian Olympic men team with a historical result on the Europen team championship.

2014-winner of the I International tournamenr of “Centro Goya Las Palmas de Gran Canaria”( Spain)

2017- winner of the International tournament of the island La Palma(Spain)

2018- winner of the I ligue of Catalan team championship with the club ‘Escola Escacs Salou’

2019- winner of the Isrealy team championship with the club of Ashdot.

2019- winner of international tournament of San Cristóbal de la Laguna (Teerife, Spain)

Blitz- good results:

.Won Games against Gm’s Adams ,Grishchuk, Van – Wely…

.Winner of Israeli blitz chess under 20

.3rd place in Israeli Blitz Champinship 1999

1-2nd in Zurich 2001 9 p. of 11 .

-2 times 1st in Vendrell rapidas

etc…

Important rapid chess results:

Geneve 1994 1st place with 6.5 of 7

2 times Ramat -Gan (Isr) ch Open:

(7 points out of 9 ) share with gm Smirin before Gm’s like Psahis,Yudasin,Sutovski,Huzman…

(6 points out of 7 ) before GM’s like Golod , Oratovsky, Huzman…..

Bilbao 2001 ( 8 points out of 9!) shared place with GM Strikovich, but won the blitz match against him… 2-0 win in the final ; passing many Gm’s like Shirov, Suba , Palac,Damlianovic etc…

Carboneras (Esp) 2002 -win with 7 points out of 8 , Before Bruzon and many other strong Gm’s

2003 – Utrera rapid – 2nd -3rd place ( 7,5 points out of 9 )2006 1th in Tamarite Career

2004-2006 -1ºplace in Vendrell

2005- Venaco 1º-2ºplace with Anand! ,having one point more than him and many other famous GM’s just before the last round…

My chess bio:

Chernovci, Ukraine-January 29,1974

Tarragona, Spain since about 5 years;

But I spent more than 20 years in Israel ( I immigrated from Ukraine when I was 2 years old!) ,and I had the luck to stay 3 years in France (Cannes, Tulouse and Paris) 1 year in Prague ,8 months in Switzerland, half year in Ljubliana (Slovenia) and Budapest…

And many other great places around the world!

Married since 25 of July 2003! (with women international master Plachkinova-Kogan Tatiana).I am proud to be a father of a wonderful girl called Carolina (born in 2004) and of a sweet boy called Rafael ( born in 2014).

My chess style:

Playing for harmony to make all the pieces smile! ( positionally and tactically ..)

Especially with aggressive , tactical , inventive and creative chess!

Favorite Openings:

I like many openings .I’ve tried practically most of them .But I’ve used above all ,with big success: Sicilian (Taimanov) Sozin Attack with white,Rossolimo (with both colors!) and a s black the Volga Gambit ,Nimzo, and the Scandinav defense. (often I made it to be an attack:-))

Chess heroes that influenced me the most:

World Champions GM’s Alechin ,Fischer, Smyslov and Tal…ok, also Kasparov!

When and how I achieved my chess title:

1991 Biel – 1st International master norm and Loyds Bank – 2nd International master norm

1993 Groningen 3rd International master norm

1994 Kecskemet (HUN) 9 points out of 11 -1st Grandmaster norm

1997 Koszeg (HUN) 8 p. out of 11 – 2nd Grandmaster norm

1998 Novi Sad (Yugoslavia) 9 p. out of 12 – 3rd Grandmaster norm

Major tournaments and match results:

1981-1989 Winner of Town open championships in Israel of Bat-Yam, Holon , Rishon-Lezioh, Petan – Tikva…and many junior events…

1989 -World Championship under 16 – 2-4th place

1994 – Saanen cat 5- 2nd place

1994 – Lenk 2nd place before GM’s Gofshtein , Georgeio…

1994 – Draw with Kasparov in Simul

1995 – Winning the CZE league with a team of Prague,

1995 – 3rd place in open Ch. of Slovakia

1996 – Winning the Team Championship of Israel -with Elitzur club ,( scoring 8,5 points out of 10)

1996 – Formie (FRA) 1st place (5,5 points out of 6)

1996 – Vlissingen – 1st place ( 6 points out of 7 ) ,before GM’s like Ehlvest , Hort, Bagirov…

1996 – Sas Van Gent open (Holland) -1st place

1996 – Israeli Championship – 4th place (6,5 p. out of 9)

1996 – Ischia (Italy) -1st place (7 p. out of 8)

1997 – Pak Atom Cup (Hun) – 2nd place ( 7 p. out of 11)

1997/98 -Team Championship playing with Nice – 2nd place

1998 – Ljubliana (Slovenia)- share 1st place with Avruch & Sax ( 7 p. out of 9)

1998 – Pyramiden cup( Germany) – 1st place ( 7 p. of 9) before Gm’s like Hickl ,Onischuk ,Hamdouchi

1999 – Ljubliana , share 1st place ( 7 p. of 9 ) with gms Sveshnikov, Kozul, Kujraica

2000 – Cannes Master (Fra) – ; Beating GM Nisipeano (who just came back finishing 3th in the world champion in Las-Vegas!) 2-0! , losing 1/2 final to Savchenko 3,5-2,5

2000 – Almassora (Esp) – 1st place ( 7 p. out of 9 )

2000 – Cutro open ( Italy ) – 1st place (7,5 p. out of 9 )

2000 – Quebec open Ch ,Montreal – 1st place (7 p. / 9)

2001 – Nordic Scandinavian open Championship ,Bergen – 1st place ( 8 points out of 9! )

2001 – Lisbon ( Portugal ) – 2nd place ( 7 points out of 9 ) with Oratovsky -after GM Piket ,before Gm’s like Atalik , Kotronias , Ftachnik…

2001 – Salou Costa Dorada close tournament ( Spain ) – 1st place ( 6,5 points out of 11)

2002 – Genove ( Italy ) – 1st place ( 7 of 9 )

2002 – Merida ( MEX ) went till the 1/4 final after beating GM Lalic in the 1/8 1.5-0.5…

2003 – Zaragoza open – 2-3 place ( 7,5 points out of 9 )

2003 – Winner of Aragon Championship with the team of Olivar (4 points out of 6) first board

2003 – French Team Championship ( 2nd division ) with club of Evry ( 6 points out of 7 ) at 1st-2nd board

2003-Close tournament Costa Dorada-3rd place

2004-International Open tournament Dos Hermanas-3rd place

2004-International tournament of Salou-shared 1-2 (2ºplace with 7p out of 9)

2004-International Open of Benasque- share 1-5place( 2ºplace with 8points out of 9)

2004-International Tournament of Tarragona -shared 1-4place ( 2ºplace with 7p out of 9)

2005-Shared first place in Paris open

2005 Tarragona open 1th place!

2006 Ashdod open (Israel) Shared first place with Sutovsky and Smirin!

2006-Ashdod Open(in Israel) shared 1ºplace with Sutovsky and Smirin

2007-International tournament Poble de Lillet- 1ºplace (7p.out of 9) http://www.jeruchess.com/chess/koganniko/kogang0.htm

2008-Bornholm International (3ºplace)

http://www.balticseacup.dk/bsc08/.\runde_pgn\bsc08-Fort-R10.htm

2009-Champion of Israel team Ch.

2010- Champion of Israel for teams with Ashdod and of Bulgaria with Vidin http://dejanbojkov.blogspot.com/2010/06/bulgarian-team-championships.html

Second place in Frannch league with Evry.

2010 Xanxenxo,Spain – 1th place

2010-Champion Copa Tarragona

2011- st in the Internacional tournament of Torredembarra

2011- Captain and trainer of the Italian Olympic men team with a historical result on the Europen team championship.

2014-winner of the I International tournamenr of “Centro Goya Las Palmas de Gran Canaria”( Spain)

2017- winner of the International tournament of the island La Palma(Spain)

2018- winner of the I ligue of Catalan team championship with the club ‘Escola Escacs Salou’

2019- winner of the Isrealy team championship with the club of Ashdot.

2019- winner of international tournament of San Cristóbal de la Laguna (Teerife, Spain)

Blitz- good results:

.Won Games against Gm’s Adams ,Grishchuk, Van – Wely…

.Winner of Israeli blitz chess under 20

.3rd place in Israeli Blitz Champinship 1999

1-2nd in Zurich 2001 9 p. of 11 .

-2 times 1st in Vendrell rapidas