A05u — Reti: KIA

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte f4, case forte g5, paire de fous.
Faiblesses adverses : Bg7 enfermé, Bc8 enfermé.
Problèmes : Bc1 enfermé, Bg2 enfermé, 3 pièces non développées (B1, C1, A1).
Plans :
● Nbd2 — Développer Nb1
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4
● c3 — Préparer d4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé.
Problèmes : Bg7 enfermé, Bc8 enfermé, 3 pièces non développées (B8, C8, A8).
Plans :
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A05u — KIA

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d3

Eval: [-0.16]

Les coups candidats

5…d6 — 42.3% (3909 parties) →

Ambassadeurs : Lomakina, Galja (14x), Muench, Ursula, Dr. (13x), Weindl, Alfred (10x), Gierse, Heinz-Dieter, Dr. (10x), Moody, David W (9x), Vujadinovic, Goran (9x), Anastassopulos, Anastasios (8x), Bilek, Istvan (7x)

5…d5 — 40.7% (3753 parties)

Ambassadeurs : Skeels, Jim (13x), Lornye, Pylyp (10x), Gaboyan, Susanna (10x), Lomakina, Galja (9x), Shoker, Samy (9x), Duenhaupt, Heinz-Wilhelm Dr (8x), Fiorito, Fabian (8x), Habibi, Ali (8x)

5…c5 — 13.9% (1284 parties) →

Ambassadeurs : Niermann, Michael, Dr. (6x), Anastassopulos, Anastasios (4x), Botvinnik, Mikhail (4x), Koskinen, Veikko (4x), Keschitz, Gyorgy (4x), Stocko, Josip (4x), Seger, Ruediger (4x), Jansa, Vlastimil (3x)

5…Nc6 — 1.4% (128 parties)

Ambassadeurs : Littlewood, John E (2x), Savon, Vladimir A (1x), Heuer, Valter (1x), Vassiades, Constantinos (1x), Teie, Ulf (1x), Lloyd, Kenneth (1x), Hartoch, Robert G (1x), Hebden, Mark L (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…d6	5…d5	5…c5	5…Nc6
<1800	342	39%	45%	11%	2%
1800-2200	3756	44%	40%	13%	1%
2200-2600	2764	38%	42%	18%	1%
2600+	35	31%	43%	26%	—

Évolution par décennie (% des parties)

Décennie	N parties	5…d6	5…d5	5…c5	5…Nc6
1920s	1	—	—	—	—
1940s	8	25%	75%	—	—
1950s	159	32%	50%	17%	—
1960s	198	49%	36%	14%	1%
1970s	284	43%	37%	16%	1%
1980s	477	48%	37%	14%	1%
1990s	2340	45%	38%	14%	1%
2000s	2525	44%	39%	13%	2%
2010s	2779	39%	44%	14%	2%
2020s	461	34%	48%	15%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…d6	39%	34%	▼ -5.0%
5…d5	44%	48%	▲ +3.9%
5…c5	14%	15%	▲ +1.4%
5…Nc6	2%	1%	▼ -0.7%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 5 parties
Smyslov, Vladimir — 3 parties
Anand, Viswanathan — 2 parties
Carlsen, Magnus — 1 partie
Ding, Liren — 1 partie
Gukesh D — 1 partie

Parties historiques

5…d6 — 42.3% (3909 parties)

1949 — Eliskases, Erich vs Pomar Salamanca, Arturo — 1/2-1/2 — Mar del Plata ARG
1949 — Eliskases, Erich vs Alvarez Martin, Pedro — 1-0 — Mar del Plata ARG
1950 — Kabes V vs Novak, Zbynek — 1/2-1/2 — Chocen
1950 — Tsvetkov, Alexandar K vs Mechkarov, Stefan — 0-1 — Sofia BUL
1951 — Petrosian, Tigran A. vs Khachaturov Andre — 1-0 — Moscow RUS

5…d5 — 40.7% (3753 parties)

1945 — Pelikan, Jan vs Czerniak, Magdalena — 1/2-1/2 — Buenos Aires ARG
1947 — De Freitas, Marcio Elisio vs Almeida Soares Jose C — 1/2-1/2 — Porto Alegre
1947 — Petrosian, Tigran A. vs Liublinsky, Victor — 1-0 — Moscow RUS
1949 — Nejkirch vs Sajtar, Jaroslav — 1/2-1/2 — BUL-CSR Sofia BUL
1949 — Iliesco, Juan vs Blanco Cruz, Wara — 1-0 — Mar del Plata ARG

5…c5 — 13.9% (1284 parties)

1951 — Andres Lange, Elke vs Rossolimo, Nicolas — 0-1 — Dortmund GER
1952 — Zita, Filip vs Heinicke, Herbert — 1/2-1/2 — Helsinki olm
1953 — Ojanen, Kaarle S vs Bolbochan, J. — 1/2-1/2 — Mar del Plata ARG
1954 — Smyslov, Vladimir vs Botvinnik, Mikhail — 1/2-1/2 — Moskou wch-m
1954 — Hodja, B. vs Sajtar, Jaroslav — 0-1 — Prague CZE

5…Nc6 — 1.4% (128 parties)

1961 — Savon, Vladimir A vs Heuer, Valter — 0-1 — Novgorod RUS
1970 — Vassiades, Constantinos vs Teie, Ulf — 1/2-1/2 — Groningen NED
1975 — Camps Trullen, Roger vs De Greiff, B. — 1/2-1/2 — Cienfuegos B
1979 — Lloyd, Kenneth vs Littlewood, John E — 0-1 — Chester ch-BCF
1979 — Chipalambwe Lloyd vs Littlewood, John E — 0-1 — Chester

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c2→d3, e2→d3, f2→g3, h2→g3	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (1v0)	● d5 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	3 (b1, c1, a1)	3 (b8, c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c2-c3, ● d3-d4, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
1924 Hastings Premier Section 2 /25 5th – Round 1 – Steiner, Endre – 1-0 – Norman, George – G4 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 Re8 6. e4 e5 7. Nc3 d6 8. Be3 Nc6 9. Qc1 Be6 10. Bh6 Qc8
1949 BUL-CSR Sofia BUL – Round 1 – Nejkirch – 1/2-1/2 – Sajtar, Jaroslav – G5 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c6 7. e4 Qb6 8. Qe2 dxe4 9. dxe4 h6 10. h3 Be6
1949 Mar del Plata – Round 8 – Iliesco, Juan – 1-0 – Blanco Cruz, Wara – G80 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nbd7 7. e4 e5 8. Re1 c6 9. h3 Qc7 10. Nf1 Ne8
1952 USSR – Round 1 – Geller, Efim P – 1/2-1/2 – Botvinnik, Mikhail – G13 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nc6 7. e4 e5 8. c3 a5 9. a4 h6 10. exd5 Nxd5
1953 Bucharest – Round 19 – Radulescu, Mihai – 1/2-1/2 – Boleslavsky, Isaac – G186 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. c4 c5 7. Na3 Nc6 8. d4 cxd4 9. Nxd4 Nxd4 10. Qxd4 Be6
1954 Leningrad ch22-SU sf – Round 8 – Kuzminykh, Evgeny – 1-0 – Zurakhov, Vladlen Y – G22 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nc6 7. e4 e5 8. exd5 Nxd5 9. Nc4 Re8 10. Ng5 f6
1955 Hamburg – Round 1 – Wold, Even Lange – 1-0 – Schmidt, Waldemar – G26 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Bf5 7. c4 dxc4 8. Nxc4 Qc8 9. Qb3 c6 10. Qa3 Na6
1955 Hamburg – Round 5 – Lange, Wilfried – 1/2-1/2 – Stahlberg, Gideon – G50 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nc3 c6 7. e4 dxe4 8. dxe4 Qxd1 9. Rxd1 Na6 10. Ne1 Nd7
1955 Johannesburg – Round 7 – Wilken, Leon – 0-1 – Heidenfeld, Wolfgang – G12 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nbd7 7. e4 e5 8. exd5 Nxd5 9. a4 c6 10. a5 f5
1955 Poland ch13 – Round 1 – Pytlakowski, Andrzej – 1/2-1/2 – Witkowski, Stanislaw – G13 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nbd7 7. e4 e5 8. h3 dxe4 9. dxe4 b6 10. Re1 Bb7
1955 Poland ch13 – Round 1 – Stoklasa, Jan – 1/2-1/2 – Dworzynski, Roman – G14 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Re8 7. e4 e5 8. Re1 Nbd7 9. c3 c6 10. Nb3 a5
1955 Wroclaw – Round 11 – Plater, Kazimierz – 1-0 – Szymanski, Jacek – G20 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nc6 7. c4 d4 8. a3 a5 9. b3 e5 10. Rb1 Qe7
1957 Dallas – Round ? – Evans, Larry M – 1-0 – Olafsson, Fridrik – G61 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nc6 7. e4 e5 8. c3 a5 9. Re1 dxe4 10. dxe4 Nd7
1957 USA Ch Open 58th – Round 9 – Saidy, Anthony – 1/2-1/2 – Santasiere, Anthony – G66 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nc6 7. e4 dxe4 8. dxe4 Bg4 9. h3 Bxf3 10. Qxf3 Nd7
1958 Buenos Aires V – Round 10 – Pelikan, Anna – 1-0 – Emma, Jaime – G42 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Bd2 Re8 7. Qc1 e5 8. Bg5 Nbd7 9. Nc3 c6 10. e4 dxe4
1958 Buenos Aires V – Round 8 – Pelikan, Anna – 1/2-1/2 – Shocron, Ruben – G37 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Bd2 Re8 7. Qc1 e5 8. Bg5 Nbd7 9. Nc3 c6 10. e4 Qc7
1958 COL Ch – Round 9 – Cuellar Gacharna, Miguel – 1-0 – Estrada Vicente – G25 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 e6 6. e4 d6 7. Nc3 Nbd7 8. d4 c6 9. d5 cxd5 10. exd5 e5
1958 Open – Round 6 – Schlosser, Max Dr – 1/2-1/2 – Blackstone, John – G10 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c6 7. e4 Bg4 8. h3 Bxf3 9. Bxf3 e6 10. Bg2 h6
1959 Argentina – Round 5 – Wexler, Francisco – 1-0 – Piazzini, Luis – G30 1. Nf3 g6 2. g3 Bg7 3. Bg2 Nf6 4. O-O O-O 5. d3 d5 6. Nbd2 Re8 7. e4 dxe4 8. dxe4 Nc6 9. h3 e5 10. c3 b6
1959 Buenos Aires JM – Round 1 – Steinbaum, Fernando – 1/2-1/2 – Acosta Garcia, Rafael Isaac – G13 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nc6 7. e4 dxe4 8. dxe4 Be6 9. c3 h6 10. Qe2 Qd7
1961 Budapest ch-HUN – Round 1 – Flesch, Jean-benoit – 0-1 – Honfi, K. – G124 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nc6 7. e4 e5 8. Re1 h6 9. c3 Be6 10. Qc2 Qd7
1961 Oberhausen etc – Round 1 – Udovcic, Mijo – 1/2-1/2 – Puig, Pedro – G57 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nc6 7. e4 e5 8. exd5 Nxd5 9. Re1 Re8 10. Nc4 h6
1961 Zagreb – Round 11 – Cuderman, Vinko – 1/2-1/2 – Rabar, Braslav – G99 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 b6 7. a4 Bb7 8. a5 Qc8 9. c3 Nc6 10. b4 Rb8
1962 Argentina – Round 1 – Bazan, Osvaldo – 1-0 – Bielicki, Carlos – G30 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nc6 7. e4 e5 8. c3 a5 9. a4 h6 10. Re1 Be6
1962 Poznan ch POL – Round 1 – Grabczewski, Romuald – 1/2-1/2 – Brzozka, Stefan – G7 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 b6 7. Re1 Bb7 8. e4 dxe4 9. Ne5 Nc6 10. Nxe4 Nd5
1962 Whitby ch-BCF – Round 6.3 – Franklin Sheunesu Mhembere – 1-0 – Mardle, Denis – G77 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nc6 7. c3 e5 8. e4 Bg4 9. h3 Bxf3 10. Qxf3 d4
1964 Baku Baku AZE – Round ? – Antoshin, Vladimir S – 1/2-1/2 – Listergarten, Leonid B – G10 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Bg4 7. c4 Qc8 8. cxd5 Nxd5 9. Qb3 Nb6 10. Ne4 Nc6
1966 La Habana olm fin-C – Round 4 – Schorr Blank, Leon – 0-1 – Tatai, Stefano – G11 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. c3 c5 7. Nbd2 Nc6 8. e4 e5 9. Re1 Rb8 10. a4 b6
1967 Asztalos Memorial 10th – Round 11 – Flesch, Janos – 1/2-1/2 – Barcza, Gedeon – G59 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nc6 7. e4 dxe4 8. dxe4 e5 9. c3 b5 10. Qc2 Be6
41. Olympiad Open 2014 – Round 11.17 – Amin, Bassem – 1-0 – Stefansson, Hannes – G767 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nc6 7. c3 e5 8. e4 a5 9. a4 Re8 10. Re1 h6
Superbet Blitz 2023 – Round 16.3 – Shevchenko, Kirill – 0-1 – Rapport, Richard – G78 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nc6 7. e4 e5 8. exd5 Nxd5 9. Re1 Re8 10. c3 a5

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