A05e — Reti: KIA

1.Nf3 Nf6 2.g3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 5 pièces non développées (B1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, menace e5, libère Bf1
● Nbd2 — Développer Nb1
● d3 — Libérer Bc1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (B8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Bd6 — Développer Bf8
● ...Bg4 — Clouer Nf3

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A05e — KIA

1.Nf3 Nf6 2.g3

Eval: [+0.25]

Les coups candidats

2…g6 — 46.0% (49951 parties) →

Ambassadeurs : Gutman, Lev (168x), Loginov, Valery A (119x), Badea, Bela (111x), Dizdar, Goran (96x), Bilek, Istvan (89x), Barcza, Gedeon (82x), Vukic, Milan (76x), Hausrath, Daniel (74x)

2…d5 — 27.2% (29567 parties) →

Ambassadeurs : Romanishin, Oleg M (91x), Gutman, Lev (86x), Koehler, Josef (82x), Dizdarevic, Emir (69x), Farago, Ivan (61x), Dizdar, Goran (56x), Kirov, Nino (48x), Loginov, Valery A (44x)

2…b6 — 9.8% (10593 parties) →

Ambassadeurs : Tiviakov, Sergei (36x), Kirov, Nino (35x), Gutman, Lev (34x), Barcza, Gedeon (29x), Csom, Istvan (22x), Ribli, Zoltan (22x), Seeman, Tarvo (19x), Shafigullina, Zarina (18x)

2…c5 — 5.1% (5547 parties) →

Ambassadeurs : Karjakin, Sergey (15x), Auger, Bertrand (14x), Kruse, Herbert (14x), Alburt, Lev (13x), Loginov, Valery A (13x), Gutman, Lev (12x), Leventic, Ivan (12x), Vukic, Milan (12x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	2…g6	2…d5	2…b6	2…c5
<1800	3115	44%	29%	8%	4%
1800-2200	36221	47%	26%	9%	5%
2200-2600	49223	45%	28%	11%	5%
2600+	1876	37%	36%	10%	9%

Évolution par décennie (% des parties)

Décennie	N parties	2…g6	2…d5	2…b6	2…c5
1850s	1	—	—	100%	—
1860s	2	50%	50%	—	—
1920s	27	19%	22%	41%	7%
1930s	69	16%	25%	45%	4%
1940s	249	23%	31%	32%	4%
1950s	1529	56%	19%	13%	5%
1960s	2054	56%	24%	6%	5%
1970s	3481	52%	22%	11%	4%
1980s	5708	44%	27%	14%	4%
1990s	18795	52%	24%	9%	5%
2000s	25038	46%	28%	10%	5%
2010s	39359	44%	29%	10%	5%
2020s	12210	42%	29%	8%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
2…g6	44%	42%	▼ -2.1%
2…d5	29%	29%	-0.3%
2…b6	10%	8%	▼ -1.1%
2…c5	5%	7%	▲ +1.6%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 10 parties
Euwe, Max — 10 parties
Botvinnik, Mikhail — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Karpov, Aleksandr — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Ding, Liren — 10 parties
Ju, Wenjun — 10 parties
Hou, Yifan — 10 parties
Kramnik, Vladimir — 10 parties
Gukesh D — 10 parties
Alekhine, Alexander — 2 parties

Parties historiques

2…g6 — 46.0% (49951 parties)

1865 — Jobin, Gilles vs Murray, Andre — 1-0 — Montreal CAN
1923 — Tartacover, Xavier vs Marshall, Frank — 1-0 — Tour.Int.CARLSBAD
1923 — Réti, Richard vs Muffang, André — 1/2-1/2 — Margate ENG
1924 — Steiner, Endre vs Norman, George — 1-0 — Hastings Town Hall
1925 — Koenig, Imre vs Havasi Arthur — 1/2-1/2 — Budapest HUN

2…d5 — 27.2% (29567 parties)

1861 — Navarovszky vs Lengyel, Agnes — 1-0 — ?
1923 — Reti, Richard vs Gruenfeld, Ernst — 0-1 — Margate ENG
1923 — Prokes, Ladislav vs Tereba, R. — 1/2-1/2 — Pardubice ch CZE
1923 — Hansen Eigil vs Andersen, Erik — 0-1 — Copenhagen DEN
1925 — Grigoriev, Nikolai vs Sergeev, Alexander — 0-1 — Moscow RUS

2…b6 — 9.8% (10593 parties)

1850 — Bonnerjee, Mohishunder vs Cochrane, John Miles — 0-1 — Calcutta IND
1923 — Gruber, Theo vs Fischer Martinez, Fabian Andres — 1/2-1/2 — Vienna AUT
1923 — Reti, Richard vs Bernstein, Jacob — 1-0 — Carlsbad CZE
1923 — Opocensky, Karel vs Takacs, Sandor — 1/2-1/2 — Vienna AUT
1925 — Anaya Oger, Hector vs Rivas Pastor, Manuel — 0-1 — Montevideo URU

2…c5 — 5.1% (5547 parties)

1923 — Oskam, Arent Jan vs Euwe, Max — 1/2-1/2 — Amsterdam NED
1924 — Romanovsky, Pjotr vs Bogoljubow, Efim — 0-1 — Leningrad RUS
1933 — Gonzalez Klein, Alberto vs Van Seters, Frits — 1-0 — Brussels BEL
1936 — Simonson, Albert vs Steiner, Heinrich Jun. — 1-0 — USA-ch New York, NY USA
1939 — Engels, Ludwig vs Rellstab, Ludwig — 0-1 — Bad Oeynhausen ch-GER

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (1v0)	● d5 (1v0), ● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	5 (b1, c1, f1, a1, h1)	5 (b8, c8, f8, a8, h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Au centre !
Droits de roque	O-O / O-O-O	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c2-c3, ● d2-d3, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
1940 Ventnor City – Round 2 – Santasiere, Anthony – 0-1 – Ulvestad, Olaf – G8 1. Nf3 Nf6 2. g3 Nc6 3. d4 d5 4. Bg2 Bf5 5. O-O h6 6. c4 e6 7. Nc3 Nb4 8. Bf4 c6 9. a3 Na6 10. c5 Be7
1949 URS Ch, semi final – Round 9 – Petrosian, Tigran A. – 1-0 – Klaman, Konstantin Mikhailovich – G76 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. c4 Nc6 5. Nc3 Be7 6. d4 O-O 7. O-O Bg4 8. d5 Nb8 9. h3 Bc8 10. e4 a5
1952 Hagen – Round 1 – Lange, Wilfried – 1-0 – Ernst, Wilhelm – G2 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. d3 c6 5. c4 Be7 6. Nc3 O-O 7. O-O Qc7 8. Bd2 Nbd7 9. b4 Re8 10. Qb3 Nf8
1954 It – Round 4 – Kramer, Haije – 0-1 – Pirc, Vasja – G3 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. d3 Be7 5. O-O O-O 6. e4 Nbd7 7. Nbd2 a5 8. Nc4 Nc5 9. Be3 Ne6 10. Nh4 g6
1954 Prague zt – Round 1 – Sajtar, Jaroslav – 1/2-1/2 – Barcza, Gedeon – G8 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. d3 Be7 5. O-O O-O 6. c4 c6 7. Nc3 Nbd7 8. e4 Nc5 9. h3 Re8 10. Be3 Bf8
1955 Wch U20 final-A – Round 7 – Farre Mallofre, Miguel – 1/2-1/2 – Keller, Dieter – G31 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. O-O c6 5. d3 Be7 6. e4 O-O 7. Nbd2 Qc7 8. Qe2 Nbd7 9. Ne1 d5 10. c3 dxe4
1956 Candidats Tournament – Round 7 – Filip, Marius Liviu – 0-1 – Petrosian, Tigran A. – G33 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. d3 g6 5. O-O Bg7 6. e4 O-O 7. Nbd2 Nbd7 8. a4 a5 9. Nc4 Nc5 10. Be3 Ne6
1956 Moskou olm – Round 1 – Campomanes, Florencio – 1-0 – Conrady, Alphonse – G93 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. d3 c6 5. c4 Be7 6. Nc3 Nbd7 7. O-O a5 8. d4 O-O 9. e3 Qc7 10. b3 Ne8
1956 Moskou olm – Round 1 – Johannsson, I. – 1/2-1/2 – Penrose, Justin – G89 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. O-O c6 5. c4 Be7 6. Nc3 O-O 7. d4 Qc7 8. e4 Bg4 9. Be3 Re8 10. h3 Bh5
1956 URS Ch sf – Round ? – Zilber, Israel – 0-1 – Aronin, Lev – G137 1. Nf3 Nf6 2. g3 Nc6 3. d4 d5 4. Bg2 Bf5 5. O-O e6 6. c4 Be7 7. cxd5 exd5 8. Nc3 O-O 9. Ne5 Ne4 10. Nxc6 bxc6
1958 Danmarksmesterskabet – Round 5 – Nielsen, Axel – 1/2-1/2 – Norman Hansen, Holger – G18 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. d3 Be7 5. O-O O-O 6. e4 Nc6 7. Nc3 h6 8. h3 Be6 9. d4 Nxd4 10. Nxd4 exd4
1958 Mar del Plata – Round 11 – Sumar, Julio – 0-1 – Foguelman, Alberto – G85 1. Nf3 Nf6 2. g3 e6 3. b3 b6 4. Bg2 Bb7 5. O-O Be7 6. Bb2 O-O 7. c4 Ne8 8. Nc3 f5 9. d4 Bf6 10. Re1 Nd6
1959 HUN Ch 15th – Round 12 – Barcza, Gedeon – 1-0 – Szily, Jozsef – G44 1. Nf3 Nf6 2. g3 e6 3. Bg2 b6 4. Ne5 c6 5. O-O Bb7 6. e4 d6 7. Ng4 Nbd7 8. d3 Nxg4 9. Qxg4 h5 10. Qe2 h4
1959 Lima – Round 6 – Sumar, Julio – 0-1 – Pachman, Ludek – G35 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. d3 g6 5. O-O Bg7 6. e4 O-O 7. h3 Nbd7 8. Be3 d5 9. Nh4 d4 10. Bd2 Ne8
1962 Mar del Plata – Round 2 – Smyslov, Vladimir – 1/2-1/2 – Parma, Bruno – G29 1. Nf3 Nf6 2. g3 e6 3. Bg2 Be7 4. O-O O-O 5. b3 d5 6. Bb2 b6 7. d4 Bb7 8. Nbd2 c5 9. e3 a5 10. c4 a4
1962 Moscow RUS – Round 1 – Barcza, Gedeon – 1-0 – Aronin, Lev – G29 1. Nf3 Nf6 2. g3 Nc6 3. d4 d5 4. Bg2 Bf5 5. Ne5 Nb4 6. Na3 e6 7. c3 Na6 8. Nc2 c6 9. O-O Be7 10. Ne3 Be4
1962 Stockholm Interzonal – Round 23 – Bilek, Istvan – 1-0 – Aaron, Manuel – G209 1. Nf3 Nf6 2. g3 d6 3. Bg2 Nbd7 4. O-O g6 5. c4 e5 6. Nc3 Bg7 7. d3 O-O 8. Bd2 Re8 9. Ne1 c6 10. Nc2 a5
1962 Varna olm – Round 1 – Kramer, Hanspeter – 0-1 – Tal, Mikhail – G77 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. d3 Be7 5. e4 O-O 6. O-O Nc6 7. Nc3 Ne8 8. Ne1 f5 9. exf5 Bxf5 10. f4 Qd7
1963 Reggio Emilia 6364 06th – Round 11 – Gereben, Erno – 1-0 – Beggi, Pierluigi – G38 1. Nf3 Nf6 2. g3 Nc6 3. d4 d5 4. Bg2 e6 5. O-O Bd6 6. c4 dxc4 7. Na3 O-O 8. Nxc4 Ne4 9. b3 f5 10. Bb2 Ne7
1967 Capablanca Memorial – Round 1 – Filip, Marius Liviu – 1/2-1/2 – Taimanov, Mark E – G12 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. c4 c6 5. O-O Be7 6. Nc3 O-O 7. Qc2 Bg4 8. c5 Bxf3 9. cxd6 Bxg2 10. dxe7 Qxe7
1968 Alma Ata ch-URS – Round 1 – Vasiukov, Evgeni – 1-0 – Cherepkov, Alexander V – G33 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. O-O c6 5. d3 Be7 6. c4 Nbd7 7. Nc3 O-O 8. e4 a5 9. Kh1 Qc7 10. Nh4 Nc5
1968 Churchill Memorial Open 16th – Round 2 – Hart, TW. – 0-1 – Doda, Zbigniew – G6 1. Nf3 Nf6 2. g3 d6 3. Bg2 c6 4. Na3 g6 5. b4 Bg7 6. Rb1 O-O 7. Bb2 Nbd7 8. d3 e5 9. O-O Qe7 10. b5 c5
1968 It Lublin POL – Round 4 – Filep, Tibor – 1-0 – Sydor, Andrzej – G7 1. Nf3 Nf6 2. g3 Nc6 3. Bg2 e5 4. d3 Be7 5. c4 O-O 6. Nc3 d5 7. cxd5 Nxd5 8. O-O Nb6 9. a3 Be6 10. b4 Nd4
FIDE World Blitz Championship 2014 – Round 10.23 – Malakhov, Vladimir – 1-0 – Jobava, Baadur – G82 1. Nf3 Nf6 2. g3 c6 3. Bg2 d6 4. O-O Bf5 5. b3 h6 6. Bb2 e6 7. d3 Be7 8. e4 Bh7 9. e5 dxe5 10. Nxe5 O-O
World Blitz 2015 – Round 6.81 – Piorun, Kacper – 1/2-1/2 – Carlstedt, Jonathan – G398 1. Nf3 Nf6 2. g3 e6 3. Bg2 b5 4. O-O Bb7 5. d3 c5 6. Nbd2 Be7 7. e4 d6 8. Re1 Nbd7 9. c3 O-O 10. a4 a6

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