A05t — Reti: KIA

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : 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
● d3 — Libérer Bc1
● 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

A05t — KIA

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

Eval: [+0.16]

Les coups candidats

5.c4 — 35.4% (9428 parties)

Ambassadeurs : Vastrukhin, Oleg (27x), Gutman, Lev (24x), Lopushnoy, Denis (24x), Karlsson, Lars 1937 (22x), Vukic, Milan (21x), Hulak, Krunoslav (20x), Voyska, Margarita (15x), Antonenko, Vladimir Georgievich (15x)

5.d3 — 32.2% (8563 parties) →

Ambassadeurs : Lomakina, Galja (27x), Skeels, Jim (21x), Weindl, Alfred (19x), Niermann, Michael, Dr. (18x), Habibi, Ali (18x), Shoker, Samy (18x), Muench, Ursula, Dr. (17x), Vujadinovic, Goran (17x)

5.d4 — 30.1% (7998 parties) →

Ambassadeurs : Gutman, Lev (85x), Meier, Georg (65x), Bilek, Istvan (53x), Gutman, Leni (47x), Badea, Bela (36x), Forintos, Gyozo V (33x), Piesik, Piotr (33x), Kovalevskaya, Ekaterina (32x)

5.Re1 — 0.7% (178 parties)

Ambassadeurs : Zolnierowicz, Krzysztof (10x), Planinec, Albin (5x), Kurtenkov, Atanas (5x), Onischuk, Vasilisa (5x), Onyshchuk, Volodymyr (4x), Collutiis, Duilio (3x), Stanisavljevic, Mladen (3x), Mesko, Damir (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.c4	5.d3	5.d4	5.Re1
<1800	745	29%	42%	25%	1%
1800-2200	9373	35%	37%	26%	1%
2200-2600	10857	37%	24%	36%	1%
2600+	258	36%	14%	49%	1%

Évolution par décennie (% des parties)

Décennie	N parties	5.c4	5.d3	5.d4	5.Re1
1920s	2	50%	50%	—	—
1930s	7	71%	—	29%	—
1940s	40	35%	20%	45%	—
1950s	552	40%	29%	31%	0%
1960s	749	42%	26%	31%	0%
1970s	994	45%	27%	25%	1%
1980s	1401	43%	33%	22%	0%
1990s	5434	34%	40%	23%	1%
2000s	6254	32%	37%	29%	1%
2010s	8874	36%	29%	33%	1%
2020s	2304	33%	19%	45%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.c4	36%	33%	▼ -2.7%
5.d3	29%	19%	▼ -9.8%
5.d4	33%	45%	▲ +11.6%
5.Re1	1%	1%	+0.2%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 10 parties
Tal, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Kasparov, Garry — 10 parties
Gukesh D — 10 parties
Ding, Liren — 9 parties
Ju, Wenjun — 8 parties
Carlsen, Magnus — 6 parties
Anand, Viswanathan — 4 parties
Kramnik, Vladimir — 3 parties
Euwe, Max — 1 partie

Parties historiques

5.c4 — 35.4% (9428 parties)

1925 — Koenig, Imre vs Havasi Arthur — 1/2-1/2 — Budapest HUN
1936 — Ragozin, Viacheslav vs Chekhover, Vitaly — 1/2-1/2 — Tournament, Leningrad RUS
1936 — Concepcion Villegas, Bryan Uriel vs Bolbochan, J. — 1/2-1/2 — Mar del Plata ARG
1937 — Hoenlinger, Baldur vs Mueller, Hans — 1/2-1/2 — Vienna AUT
1938 — Lisitsin, Georgy vs David Agot Maleer — 1-0 — Leningrad RUS

5.d3 — 32.2% (8563 parties)

1924 — Steiner, Endre vs Norman, George — 1-0 — Hastings Town Hall
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 — Eliskases, Erich vs Pomar Salamanca, Arturo — 1/2-1/2 — Mar del Plata ARG

5.d4 — 30.1% (7998 parties)

1935 — Najdorf, Miguel vs Tartakower, Savielly — 1-0 — Torun m
1937 — Kasparian, Genrikh vs Belavenets, Sergey — 1-0 — Tbilisi ch-URS
1942 — Iliesco, Juan vs Pelikan, Jan — 0-1 — Mar del Plata ARG
1942 — Iliesco vs Vuskovic, V. — 1-0 — Buenos Aires ARG
1943 — Najdorf, Miguel vs Bello AbdulMalik Olamide — 1-0 — Rosario ARG

5.Re1 — 0.7% (178 parties)

1956 — Tylor, Theodore Henry vs Moore, Brian J — 1/2-1/2 — Paignton
1960 — Roux Cabral, Fausto vs Silva Nazzari, Roberto — 1/2-1/2 — Montevideo URU
1967 — Thornally, Frank D vs Osbun, Erik — 0-1 — Mill Valley
1969 — Eising, Johannes vs Degenhardt, Norbert — 1/2-1/2 — FRG-ch Koenigsfeld GER
1972 — Planinec, Albin vs Vukic, Milan — 1-0 — Umag CRO

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● f7→g6, h7→g6
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)
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, ● d2-d3, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
1937 Trebitsch mem3738 – Round 2 – Hoenlinger, Baldur – 1/2-1/2 – Mueller, Hans – G7 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. d3 d5 7. Nbd2 Re8 8. Qc2 e5 9. Re1 Qe7 10. Nf1 Nbd7
1950 Amsterdam ch-NED – Round 10 – Kramer, Hanspeter – 1/2-1/2 – Barendregt, Johan – G45 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c5 6. d4 cxd4 7. Qxd4 Nc6 8. Qh4 Qb6 9. Nc3 Re8 10. Rb1 d6
1952 Ontario Ch – Round 1 – Suk, Ivan – 0-1 – Anderson, Frank Ross – G2 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d5 6. cxd5 Nxd5 7. Nc3 Nxc3 8. bxc3 c5 9. Qb3 Nc6 10. Qb5 Qb6
1955 DDR Ch 06th – Round 8 – Franz, Joachim – 0-1 – Koch, Berthold – G40 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d5 6. cxd5 Nxd5 7. Nc3 c5 8. Nxd5 Qxd5 9. d3 Nc6 10. Be3 Qh5
1955 Hungary – Round 2 – Bilek, Istvan – 1/2-1/2 – Mikenas, Vladas – G7 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. b3 d5 7. Bb2 a5 8. Na3 Na6 9. Qc1 Bg4 10. Be5 Bxf3
1956 Moscow olm fin-B – Round 5 – Olafsson, Fridrik – 0-1 – Stahlberg, Gideon – G55 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. b3 d5 7. Bb2 Re8 8. Qc1 Bg4 9. d4 Qc8 10. Re1 Na6
1957 DDR Ch 08th – Round 12 – Bertholdt, Dieter – 1/2-1/2 – Mannsfeld, Peter – G79 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d5 6. cxd5 Nxd5 7. Nc3 c5 8. Qb3 Nb6 9. d3 Nc6 10. Qd1 Nd7
1957 Mar del Plata – Round 14 – Kotov Lundqvist, Alex – 1-0 – Eliskases, Erich – G124 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. b3 d5 7. Bb2 Nbd7 8. Na3 a5 9. cxd5 Nxd5 10. Bxg7 Kxg7
1957 Toronto wch-jr – Round 3 – Jongsma, Alexander – 1/2-1/2 – Selimanov – G8 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 Nc6 6. Nc3 d6 7. Rb1 Bf5 8. d3 Qd7 9. b4 Bh3 10. Qc2 Bxg2
1958 BUL Ch – Round ? – Kolarov, Atanas S. – 1-0 – Kadrev, Zdravko – G71 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c5 6. d4 cxd4 7. Nxd4 d5 8. cxd5 Nxd5 9. Nb5 Nb4 10. Qa4 N8c6
1959 Asztalos Memorial 2nd – Round 7 – Haag, Ervin – 0-1 – Soos, Bela – G13 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c5 6. d4 Nc6 7. dxc5 Qa5 8. Nc3 Qxc5 9. Nd2 d6 10. Nd5 Nxd5
1959 Lodz ch POL – Round 17 – Szpakowski, Marek – 1/2-1/2 – Drozd, Ryszard – G86 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d5 6. cxd5 Nxd5 7. Nc3 Nxc3 8. dxc3 Nc6 9. Be3 Be6 10. Nd4 Nxd4
1959 Skittles – Round ? – Dommeyer, Carl – 0-1 – Blackstone, John – G51 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. e4 Nxe4 6. d3 Nf6 7. Bg5 h6 8. Be3 d6 9. c4 Nc6 10. d4 e5
1959 Skittles – Round ? – Foley, Donald – 1/2-1/2 – Blackstone, John – G52 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d3 c5 7. Nbd2 Na6 8. a3 Nc7 9. Rb1 Rb8 10. b4 cxb4
1960 Tarragona – Round 2 – Perez Perez, Francisco Jose – 1-0 – Lehmann, Heinz – G7 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d5 6. d3 Nc6 7. cxd5 Nxd5 8. Nbd2 b6 9. Rb1 Bb7 10. Nc4 Qd7
1961 FRG Ch Bad Prymont – Round 7 – Clemens, Christian, Dr. – 0-1 – Pfleger, Helmut, Dr. – G15 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. b3 d5 7. Bb2 Bf5 8. h3 Re8 9. d3 Nbd7 10. g4 Be6
1961 Hungary Ch – Round 1 – Orendi, E. – 1/2-1/2 – Dely, Peter – G11 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c5 6. d4 cxd4 7. Qxd4 Nc6 8. Qh4 d6 9. Nc3 Bg4 10. Rd1 Qc8
1961 Maroczy Memorial Budapest HUN – Round 1 – Haag, Ervin – 1/2-1/2 – Portisch, Lajos – G62 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c5 6. d4 cxd4 7. Nxd4 d5 8. cxd5 Nxd5 9. Nc3 Nxc3 10. bxc3 Nc6
1963 Asztalos Memorial 6th – Round 9 – Filip, Miroslav – 1-0 – Paoli, Enrico – G27 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. b3 d5 7. Bb2 Nbd7 8. Qc2 e6 9. d3 Re8 10. cxd5 exd5
1963 Bath ch-BCF – Round 1 – Hollis, Adrian – 1-0 – Wells, Daniel – G15 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c5 6. d4 Na6 7. Nc3 d6 8. b3 d5 9. cxd5 Nxd5 10. Nxd5 Qxd5
1963 Nt Helmbrechts GER – Round 3 – Besser, Hans – 1/2-1/2 – Kohl, Werner – G14 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. Nc3 d5 7. cxd5 Nxd5 8. Nxd5 Qxd5 9. d4 Qh5 10. Qb3 Nd7
1964 Tel Aviv olm fin-B – Round 11 – Sumar, Julio – 0-1 – Zwaig, Arne – G37 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d5 6. cxd5 Nxd5 7. Nc3 e5 8. Nxd5 Qxd5 9. d3 Nc6 10. Be3 Qd8
1968 Southend – Round 1 – Lee, Peter N – 1/2-1/2 – Hartston, William R – G24 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. Qc2 d6 7. b3 Qa5 8. Bb2 Qh5 9. d3 Bh3 10. Nbd2 Nbd7
1969 Athene zt – Round 4 – Csom, Istvan – 0-1 – Jansa, Vlastimil – G6 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. b3 c5 6. Bb2 d5 7. c4 d4 8. b4 Nfd7 9. d3 Nc6 10. bxc5 Nxc5
1969 FRG Ch Koenigsfeld GER – Round 15 – Eising, Johannes – 1/2-1/2 – Degenhardt, Norbert – G42 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. Re1 d5 6. d3 c5 7. Nbd2 Nc6 8. e4 e6 9. c3 b6 10. e5 Nd7
Norway Supreme Masters Blitz 2013 – Round 3.1 – Karjakin, Sergey – 1-0 – Hammer, Jon Ludvig – G11 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. b3 d5 7. Bb2 Bg4 8. d3 Nbd7 9. Nbd2 Qb8 10. h3 Bxf3
Tata Steel India Blitz 2022 – Round 5.3 – Praggnanandhaa R – 0-1 – Nihal Sarin – G22 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. d3 d5 7. Qc2 Re8 8. Bf4 Nbd7 9. cxd5 Nxd5 10. Bd2 e5
Ultimate Blitz Challenge 2016 – Round 18.1 – Caruana, Fabiano – 0-1 – Kasparov, Garry – G35 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. b3 e5 7. Bb2 c5 8. e3 Nc6 9. Nc3 Bf5 10. d4 e4
World Blitz 2016 – Round 4.10 – Vachier-Lagrave, Maxime – 1-0 – Kozul, Zdenko – G137 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. b3 d5 7. Bb2 Bg4 8. d3 Bxf3 9. Bxf3 e6 10. Qc2 h5
World Blitz 2017 – Round 10.34 – Kuzubov, Yuriy – 1/2-1/2 – Duda, Jan-Krzysztof – G523 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. d3 d5 7. Qb3 Na6 8. cxd5 cxd5 9. d4 Qb6 10. Qxb6 axb6
World Blitz 2019 – Round 10.61 – Gukesh D – 0-1 – Hansen, Eric – G703 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. b3 d5 7. Bb2 Bg4 8. d4 Nbd7 9. Nbd2 a5 10. h3 Bxf3
World Blitz 2022 – Round 7.49 – Aravindh, Chithambaram VR. – 1-0 – Suleymenov, Alisher – G372 1. g3 g6 2. Bg2 Bg7 3. Nf3 Nf6 4. O-O O-O 5. c4 c5 6. Nc3 d5 7. cxd5 Nxd5 8. Qb3 Nb6 9. d3 Be6 10. Qd1 Nc6
World Rapid 2021 – Round 7.14 – Onyshchuk, Volodymyr – 1/2-1/2 – Shevchenko, Kirill – G387 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. Re1 d6 6. e4 e5 7. d4 exd4 8. Nxd4 Re8 9. Nc3 Bd7 10. h3 Nc6

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