![]() |
![]() |
![]() |
ECO CODES | |
![]() |
![]() |
(Click on an opening description to see diagram) |
![]() |
![]() |
E20 - E59 |
![]() |
E20 |
Nimzo-Indian defence 1. d2d4 ![]() ![]() ![]() |
![]() |
E20 |
Nimzo-Indian: Kmoch variation 1. d2d4 ![]() ![]() ![]() |
![]() |
E20 |
Nimzo-Indian: Mikenas attack 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E20 |
Nimzo-Indian: Romanishin-Kasparov (Steiner) system 1. d2d4 ![]() ![]() ![]() |
![]() |
E21 |
Nimzo-Indian: three knights variation 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E21 |
Nimzo-Indian: three knights, Korchnoi variation 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E21 |
Nimzo-Indian: three knights, Euwe variation 1. d2d4 ![]() ![]() ![]() ![]() ![]() |
![]() |
E22 |
Nimzo-Indian: Spielmann variation 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E23 |
Nimzo-Indian: Spielmann, 4...c5, 5.dc Nc6 1. d2d4 ![]() ![]() ![]() ![]() ![]() |
![]() |
E23 |
Nimzo-Indian: Spielmann, Karlsbad variation 1. d2d4 ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() ![]() |
![]() |
E23 |
Nimzo-Indian: Spielmann, San Remo variation 1. d2d4 ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() ![]() |
![]() |
E23 |
Nimzo-Indian: Spielmann, Staahlberg variation 1. d2d4 ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() ![]() ![]() |
![]() |
E24 |
Nimzo-Indian: Saemisch variation 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E24 |
Nimzo-Indian: Saemisch, Botvinnik variation 1. d2d4 ![]() ![]() ![]() ![]() 6. f2f3 d7d5 7. e2e3 0-0 8. c4d5 ![]() |
![]() |
E25 |
Nimzo-Indian: Saemisch variation 1. d2d4 ![]() ![]() ![]() ![]() 6. f2f3 d7d5 7. c4d5 |
![]() |
E25 |
Nimzo-Indian: Saemisch, Keres variation 1. d2d4 ![]() ![]() ![]() ![]() 6. f2f3 d7d5 7. c4d5 ![]() |
![]() |
E25 |
Nimzo-Indian: Saemisch, Romanovsky variation 1. d2d4 ![]() ![]() ![]() ![]() 6. f2f3 d7d5 7. c4d5 ![]() |
![]() |
E26 |
Nimzo-Indian: Saemisch variation 1. d2d4 ![]() ![]() ![]() ![]() 6. e2e3 |
![]() |
E26 |
Nimzo-Indian: Saemisch, O'Kelly variation 1. d2d4 ![]() ![]() ![]() ![]() 6. e2e3 b7b6 |
![]() |
E27 |
Nimzo-Indian: Saemisch variation 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E28 |
Nimzo-Indian: Saemisch variation 1. d2d4 ![]() ![]() ![]() ![]() 6. e2e3 |
![]() |
E29 |
Nimzo-Indian: Saemisch, main line 1. d2d4 ![]() ![]() ![]() ![]() 6. e2e3 c7c5 7. ![]() ![]() |
![]() |
E29 |
Nimzo-Indian: Saemisch, Capablanca variation 1. d2d4 ![]() ![]() ![]() ![]() 6. e2e3 c7c5 7. ![]() ![]() ![]() ![]() |
![]() |
E30 |
Nimzo-Indian: Leningrad variation 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E30 |
Nimzo-Indian: Leningrad, ...b5 gambit 1. d2d4 ![]() ![]() ![]() ![]() ![]() 6. d4d5 b7b5 |
![]() |
E31 |
Nimzo-Indian: Leningrad, main line 1. d2d4 ![]() ![]() ![]() ![]() ![]() 6. d4d5 d7d6 |
![]() |
E32 |
Nimzo-Indian: classical variation 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E32 |
Nimzo-Indian: classical, Adorjan gambit 1. d2d4 ![]() ![]() ![]() ![]() ![]() 6. ![]() |
![]() |
E33 |
Nimzo-Indian: classical, 4...Nc6 1. d2d4 ![]() ![]() ![]() ![]() ![]() |
![]() |
E33 |
Nimzo-Indian: classical, Milner-Barry (Zurich) variation 1. d2d4 ![]() ![]() ![]() ![]() ![]() ![]() |
![]() |
E34 |
Nimzo-Indian: classical, Noa variation 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E35 |
Nimzo-Indian: classical, Noa variation, 5.cd ed 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E36 |
Nimzo-Indian: classical, Noa variation, 5.a3 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E36 |
Nimzo-Indian: classical, Botvinnik variation 1. d2d4 ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() |
![]() |
E36 |
Nimzo-Indian: classical, Noa variation, main line 1. d2d4 ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() |
![]() |
E37 |
Nimzo-Indian: classical, Noa variation, main line, 7.Qc2 1. d2d4 ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() |
![]() |
E37 |
Nimzo-Indian: classical, San Remo variation 1. d2d4 ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() ![]() |
![]() |
E38 |
Nimzo-Indian: classical, 4...c5 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E39 |
Nimzo-Indian: classical, Pirc variation 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E40 |
Nimzo-Indian: 4.e3 1. d2d4 ![]() ![]() ![]() |
![]() |
E40 |
Nimzo-Indian: 4.e3, Taimanov variation 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E41 |
Nimzo-Indian: 4.e3 c5 1. d2d4 ![]() ![]() ![]() |
![]() |
E41 |
Nimzo-Indian: e3, Huebner variation 1. d2d4 ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() |
![]() |
E42 |
Nimzo-Indian: 4.e3 c5, 5.Ne2 (Rubinstein) 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E43 |
Nimzo-Indian: Fischer variation 1. d2d4 ![]() ![]() ![]() |
![]() |
E44 |
Nimzo-Indian: Fischer variation, 5.Ne2 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E45 |
Nimzo-Indian: 4.e3, Bronstein (Byrne) variation 1. d2d4 ![]() ![]() ![]() ![]() ![]() |
![]() |
E46 |
Nimzo-Indian: 4.e3 O-O 1. d2d4 ![]() ![]() ![]() |
![]() |
E46 |
Nimzo-Indian: Reshevsky variation 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E46 |
Nimzo-Indian: Simagin variation 1. d2d4 ![]() ![]() ![]() ![]() 6. a2a3 ![]() |
![]() |
E47 |
Nimzo-Indian: 4.e3 O-O, 5.Bd3 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E48 |
Nimzo-Indian: 4.e3 O-O, 5.Bd3 d5 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E49 |
Nimzo-Indian: 4.e3, Botvinnik system 1. d2d4 ![]() ![]() ![]() ![]() 6. a2a3 ![]() |
![]() |
E50 |
Nimzo-Indian: 4.e3 e8g8, 5.Nf3, without ...d5 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E51 |
Nimzo-Indian: 4.e3 e8g8, 5.Nf3 d7d5 1. d2d4 ![]() ![]() ![]() ![]() |
![]() |
E51 |
Nimzo-Indian: 4.e3, Ragozin variation 1. d2d4 ![]() ![]() ![]() ![]() 6. ![]() ![]() |
![]() |
E52 |
Nimzo-Indian: 4.e3, main line with ...b6 1. d2d4 ![]() ![]() ![]() ![]() 6. ![]() |
![]() |
E53 |
Nimzo-Indian: 4.e3, main line with ...c5 1. d2d4 ![]() ![]() ![]() ![]() 6. ![]() |
![]() |
E53 |
Nimzo-Indian: 4.e3, Keres variation 1. d2d4 ![]() ![]() ![]() ![]() 6. ![]() |
![]() |
E53 |
Nimzo-Indian: 4.e3, Gligoric system with 7...Nbd7 1. d2d4 ![]() ![]() ![]() ![]() 6. ![]() ![]() |
![]() |
E54 |
Nimzo-Indian: 4.e3, Gligoric system with 7...dc 1. d2d4 ![]() ![]() ![]() ![]() 6. ![]() ![]() |
![]() |
E54 |
Nimzo-Indian: 4.e3, Gligoric system, Smyslov variation 1. d2d4 ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() |
![]() |
E55 |
Nimzo-Indian: 4.e3, Gligoric system, Bronstein variation 1. d2d4 ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() |
![]() |
E56 |
Nimzo-Indian: 4.e3, main line with 7...Nc6 1. d2d4 ![]() ![]() ![]() ![]() 6. ![]() ![]() |
![]() |
E57 |
Nimzo-Indian: 4.e3, main line with 8...dc and 9...cd 1. d2d4 ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() |
![]() |
E58 |
Nimzo-Indian: 4.e3, main line with 8...Bxc3 1. d2d4 ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() |
![]() |
E59 |
Nimzo-Indian: 4.e3, main line 1. d2d4 ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() ![]() |
|