A05w — Reti: KIA

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d3 d6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte f4….

Atouts. Les Blancs s'appuient sur les cases fortes f4 et g5 et la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour 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

Plan principal. Exploiter la case forte g4….

Atouts. Les Noirs s'appuient sur les cases fortes g4 et f5 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et g2.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8, le fou c8 et la tour a8).

Plans. ...Nbd7 (Développer Nb8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...c6 (Rupture) ; ...c5 (Rupture) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c2→d3, e2→d3, f2→g3, h2→g3	● c7→d6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● g5 (2v0)	● g4 (2v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (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. 5)
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, ● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1942 Mar del Plata ARG – Round 2 – Pelikan, Jan – 1-0 – Graf, Sascha – G1 1. Nf3 Nf6 2. g3 d6 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. e4 Nc6 7. Nc3 h6 8. Ne1 e5 9. h3 Be6 10. f4 Qe7
1949 Mar del Plata – Round 1 – Eliskases, Erich – 1-0 – Alvarez Martin, Pedro – G31 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 e5 7. Nh4 Nc6 8. Nc3 Bg4 9. f3 Be6 10. Bd2 h6
1949 Mar del Plata – Round 1 – Eliskases, Erich – 1/2-1/2 – Pomar Salamanca, Arturo – G30 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 e5 7. Nbd2 Nbd7 8. Nc4 Nc5 9. Ne3 Ne6 10. c3 c6
1952 Helsinki olm – Round 1 – Plater, Kazimierz – 1-0 – Larocca Muller, Paolo – G302 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O d6 5. d3 O-O 6. e4 Nc6 7. Nc3 e5 8. h3 h6 9. Kh2 Ne8 10. Nd5 Ne7
1953 CSR Ch Prague – Round 1 – Filip, Miroslav – 1-0 – Pachman, Ludek – G6 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. Nbd2 Nc6 8. Nc4 Rb8 9. a4 b6 10. c3 a6
1954 CSR Ch – Round 11.3 – Olexa, Vilem – 1-0 – Alster, Ladislav – G96 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. Nbd2 c5 7. e4 Nc6 8. c3 Rb8 9. d4 cxd4 10. cxd4 Qb6
1954 Liberation – Round 17 – Pilnik, Herman – 1/2-1/2 – Wade, Robert G – G36 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. c4 Nc6 7. Nc3 Bd7 8. Rb1 a5 9. a3 Qc8 10. Re1 Bh3
1954 Mar del Plata ARG – Round 19 – Pilnik, Herman – 1/2-1/2 – Cruz, Walter – G18 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 e5 7. c3 b6 8. Re1 Bb7 9. Nbd2 Re8 10. Nc4 Nbd7
1954 New York – Round 1 – Petrosian, Tigran A. – 1/2-1/2 – Bisguier, Arthur B – G9 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 e5 7. Nbd2 Nbd7 8. Nc4 Ne8 9. d4 Qe7 10. dxe5 dxe5
1955 EU-Cup Gr3 – Round 5.6 – Lange, Wilfried – 1-0 – Stalter Theodor – G12 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. Nc3 c6 7. e4 Nbd7 8. Ne2 Qc7 9. c3 e5 10. Qc2 d5
1955 Hungary Ch – Round 1 – Tapaszto Binet, Laszlo – 0-1 – Florian, Tibor – G72 1. g3 Nf6 2. Bg2 g6 3. Nf3 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. h3 Nc6 8. Nc3 e5 9. Nh4 Rb8 10. Ne2 Nh5
1955 Ljubljana – Round 2 – Grosek, Branko – 1-0 – Bogdanovic, Rajko – G18 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 e5 7. c3 Nc6 8. Re1 Re8 9. Nbd2 h6 10. h3 Nd7
1955 Zittau-A 5th – Round 6 – Bruentrup, Dieter – 0-1 – Bertholdt, Dieter – G23 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. Nbd2 Nc6 8. c3 Bg4 9. h3 Bd7 10. Re1 e5
1956 CAN-op – Round ? – Fischer, Robert J – 0-1 – Fox, Maurice – G14 1. Nf3 Nf6 2. g3 d6 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. e4 e5 7. Nbd2 c6 8. c3 Qc7 9. Nh4 a5 10. f4 Nbd7
1956 Montevideo – Round 1 – De Souza Mendes, Joao – 0-1 – Alvarez del Monte, Jose – G48 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. c4 c6 7. Nc3 e5 8. Rb1 Qe7 9. b4 Rd8 10. b5 d5
1956 New York – Round ? – Fischer, Robert J – 0-1 – Pavey, Max – G10 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 Nbd7 7. Nbd2 e5 8. Ne1 Nc5 9. f4 exf4 10. gxf4 Ng4
1956 Oklahoma City Open – Round 1 – Fischer, Raphael – 1-0 – Popovych, Orest – G10 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. Nbd2 e5 7. e4 Ne8 8. c3 f5 9. d4 f4 10. dxe5 dxe5
1956 Oklahoma City Open – Round 1 – Fischer, Raphael – 1/2-1/2 – Popel, Stepan – G9 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. Nbd2 Nc6 8. a4 a6 9. Nc4 Rb8 10. a5 Be6
1957 GBR Ch 44th – Round 3.13 – Mardle, Denis – 1-0 – Pourot Redon, Mael – G11 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 Nc6 7. Nbd2 Bd7 8. h3 Qc8 9. Kh2 Nh5 10. Ng1 e5
1957 Leningrad – Round 1 – Zilber, Israel – 1/2-1/2 – Bykov, Vladimir – G29 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. Nbd2 Nc6 8. c3 Bd7 9. h3 b5 10. Re1 Rc8
1957 New York ch-USA – Round 8 – Kramer, Gerald – 0-1 – Fischer, Raphael – G51 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. c3 Nc6 8. Ne1 Rb8 9. f4 Ne8 10. Be3 Bd7
1959 Lodz ch POL – Round 4 – Doda, Zbigniew – 1-0 – Lubienski, Tadeusz – G20 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 Nbd7 7. Nc3 c5 8. Nh4 Rb8 9. a4 a6 10. a5 Ne5
1960 Asztalos Memorial 3rd – Round 6 – Bilek, Istvan – 0-1 – Damjanovic, Mato – G10 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. Nh4 Nc6 8. f4 Ng4 9. c3 f5 10. Na3 Nh6
1960 Tarragona – Round 6 – Catalan Escale, Enric – 0-1 – Durao, Joaquim – G23 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 e5 7. c3 Nc6 8. Nbd2 Nh5 9. h3 Qe8 10. Nc4 f5
1961 Budapest ch-HUN – Round 1 – Barcza, Gedeon – 0-1 – Bilek, Istvan – G123 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. Nh4 e5 8. Nc3 Nc6 9. f4 exf4 10. gxf4 Nxe4
1961 Dortmund – Round 1 – Bilek, Istvan – 1/2-1/2 – Andres Lange, Elke – G37 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. Nbd2 Nc6 8. c3 e5 9. a3 Bd7 10. b4 b5
1961 Oberhausen etc – Round 1 – Bilek, Istvan – 1-0 – Jansa, Vlastimil – G48 1. g3 g6 2. Bg2 Bg7 3. Nf3 Nf6 4. O-O O-O 5. d3 d6 6. e4 c5 7. c3 Nc6 8. Nbd2 Bd7 9. a3 Ne8 10. Qc2 b5
1961 URS-ch29 sf Novgorod – Round 3 – Gusev, Yuri S – 1-0 – Suetin, Alexey S – G9 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. c3 Nc6 8. Nbd2 e5 9. Nc4 b5 10. Ne3 Rb8
1962 Bucharest ROM – Round 7 – Kozma, Julius – 1/2-1/2 – Georgescu, Vasile-Maxim – G18 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. Nbd2 Nc6 8. a4 Bd7 9. Nc4 Ne8 10. c3 Rc8
1962 Stevenson Memorial 10th – Round 2 – Cafferty, Bernard – 0-1 – Nemet, Ivan – G7 1. g3 g6 2. Bg2 Bg7 3. Nf3 Nf6 4. O-O O-O 5. d3 d6 6. e4 c5 7. Nbd2 Nc6 8. c3 e5 9. a4 h6 10. Nh4 Nh5
1962 URS Ch sf Riga LAT – Round ? – Zilber, Israel – 1-0 – Tukmakov, Vladimir B – G14 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. Nbd2 Nc6 8. c3 e5 9. a4 d5 10. exd5 Nxd5
1963 City of B'ham Open – Round 3 – Bell, DW. – 1/2-1/2 – Griffiths, Peter C – G3 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 d6 5. O-O O-O 6. e4 c6 7. h3 Nbd7 8. Be3 e5 9. Qd2 d5 10. exd5 Nxd5
1963 Hastings-B6364 – Round 8 – Gaprindashvili, Nona – 0-1 – Taylor, John M – G16 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. Nc3 Nc6 8. h3 Bd7 9. Nd2 Nh5 10. Nc4 Nd4
1963 Nt Helmbrechts GER – Round 4 – Pesch, Hans – 1/2-1/2 – Delander, Adolf – G18 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 e5 7. Ne1 d5 8. Qe2 dxe4 9. dxe4 c6 10. Nd3 Qc7
1963 Zenica ch YUG – Round 10 – Masic, Ljubomir – 0-1 – Trifunovic, Petar – G56 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. Nh4 e5 8. f4 exf4 9. gxf4 Nxe4 10. dxe4 Qxh4
1963 Zenica ch YUG – Round 17 – Masic, Ljubomir – 0-1 – Bukic, Enver – G97 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. Nh4 Nc6 8. f4 Bg4 9. Qe1 Nd4 10. Rf2 Bd7
1964 Tel Aviv olm – Round 1 – Solmundarson, Magnus – 0-1 – Zinser, Sylvain – G127 1. Nf3 Nf6 2. g3 d6 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. e4 c5 7. Nbd2 Nc6 8. c3 e5 9. a4 Rb8 10. Re1 a6
1964 WchT U26 11. fin-B – Round 6.1 – Rabassa, Luis – 0-1 – Hollis, Adrian – G26 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. Nbd2 e5 7. e4 Nc6 8. c3 Nh5 9. Nc4 Kh8 10. Ne3 Ne7
1964 Worcester US Open – Round 8 – Lapiken, P. – 0-1 – Zalys, Ignas – G7 1. g3 g6 2. Nf3 Bg7 3. Bg2 Nf6 4. O-O O-O 5. d3 d6 6. Nbd2 Nbd7 7. a4 Rb8 8. e4 e5 9. Nc4 Nc5 10. b4 Ne6
1965 London June Training – Round 4 – Chesters, Graham – 0-1 – Hartston, William R – G11 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 e5 7. h3 Nbd7 8. c4 a5 9. Nc3 Ne8 10. Qe2 Nc5
1965 POL Ch 23th sf – Round 10 – Lewi, Jerzy – 1-0 – Pietrusiak, Bogdan – G27 1. g3 Nf6 2. Bg2 g6 3. Nf3 Bg7 4. O-O O-O 5. d3 d6 6. c3 c5 7. e4 Nc6 8. Qc2 Bd7 9. Nbd2 Rc8 10. Nc4 b5
1965 Sarajevo – Round 1 – Tringov, Georgi P – 1-0 – Mestrovic, Zvonimir – G24 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. c3 e5 8. a3 Nc6 9. b4 b6 10. Nbd2 Qc7
1966 Helsinki – Round 4 – Kiviaho, Allan – 1/2-1/2 – Book, Eero – G20 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 e5 7. Nbd2 Nc6 8. c3 Nd7 9. Nc4 b6 10. Ne3 Bb7
1966 Oberhausen ol women – Round 7 – Gaprindashvili, Nona – 1-0 – Vreeken, Corry – G38 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. Nbd2 e5 7. Rb1 Nc6 8. c4 Qe7 9. Ne1 Be6 10. b4 d5
1966 Reggio Emilia ITA – Round 6 – Kozma, Julius – 1/2-1/2 – Paoli, Enrico – G8 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 e5 7. Nbd2 Nbd7 8. c3 c6 9. Nc4 Qc7 10. Re1 Re8
1966 Sukhumi – Round 3 – Gaprindashvili, Nona – 1-0 – Stadler, Tereza – G30 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. Nc3 Nc6 7. Bd2 Re8 8. Rb1 Bd7 9. b4 Qc8 10. Re1 e5
1967 Oxford ch-BCF – Round 1 – Thynne, Trefor F – 0-1 – Hartston, William R – G19 1. Nf3 g6 2. g3 Bg7 3. Bg2 Nf6 4. O-O O-O 5. d3 d6 6. e4 e5 7. Nbd2 Nbd7 8. Nc4 Nc5 9. Ne3 Ng4 10. Nh4 Nxe3
1967 Sousse Interzonal – Round 4 – Bilek, Istvan – 1-0 – Bouaziz, Slim – G40 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 Nc6 7. c3 e5 8. Nbd2 Re8 9. Re1 h6 10. Qc2 Nb8
1968 Belgrade (Women) 4th – Round 8 – Gaprindashvili, Nona – 1-0 – Radikovska, Kristina – G31 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. Nbd2 c5 7. e4 Nc6 8. c3 Bg4 9. h3 Bxf3 10. Qxf3 Rb8
1968 Meldorf U26 – Round 10 – Andersson, Ulf 1949 – 0-1 – Mestrovic, Zvonimir – G42 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. Nc3 e5 7. e4 c5 8. a3 Nc6 9. h3 Nd4 10. b4 b6
1969 Wch jr final A – Round 9 – Andersson, Ulf 1949 – 1/2-1/2 – Juhnke, Juergen – G25 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. Nbd2 Nc6 8. c3 Bg4 9. h3 Bd7 10. Nh4 e5
1971 Moscow – Round ? – Krasnov, Sergey – 0-1 – Kotkov, Yuri M – G229 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. e5 dxe5 8. Nxe5 Nfd7 9. Nc4 Nb6 10. Nxb6 axb6
1975 URS Team Ch – Round 1 – Guseva, Evgenia M. – 0-1 – Agababean, Naira – G544 1. Nf3 g6 2. g3 Bg7 3. Bg2 Nf6 4. O-O O-O 5. d3 d6 6. Nbd2 e5 7. c4 c6 8. Qc2 Nbd7 9. Rb1 Re8 10. b3 d5
6. World Blitz 2010 – Round 7.2 – Karjakin, Sergey – 1/2-1/2 – Vachier-Lagrave, Maxime – G42 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. c4 c6 7. Nc3 Nbd7 8. Rb1 a5 9. e4 e5 10. h3 Nc5
Lindores Abbey Tal Memorial 2021 – Round 18.35 – Chigaev, Maksim – 1-0 – Donchenko, Alexander – G774 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. Re1 Nc6 8. Nbd2 Rb8 9. a4 a6 10. e5 dxe5
Reykjavik ISL, 22th Open 2006 – Round 8 – Svidler, Peter – 1-0 – Svidler, Peter – G27 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. h3 Nc6 8. Nh4 Bd7 9. f4 Rb8 10. f5 b5
World Blitz 2017 – Round 9.19 – Petrosian, Tigran L. – 1-0 – Onyshchuk, Volodymyr – G455 1. Nf3 g6 2. g3 Bg7 3. Bg2 Nf6 4. O-O O-O 5. d3 d6 6. e4 c5 7. Nh4 Nc6 8. f4 Nd7 9. f5 b5 10. Nc3 c4
World Blitz 2018 – Round 14.15 – Amin, Bassem – 1/2-1/2 – Grischuk, Alexander – G815 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 e5 7. Re1 Nbd7 8. c3 b6 9. d4 Bb7 10. d5 Nc5
World Blitz 2019 – Round 12.42 – Petrosian, Tigran L. – 0-1 – Ganguly, Surya Shekhar – G822 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 c5 7. Nh4 Nc6 8. f4 Bg4 9. Qe1 Nd4 10. Rf2 Bd7
World Blitz 2019 – Round 4.13 – Petrosian, Tigran L. – 1/2-1/2 – Mamedyarov, Shakhriyar – G236 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 e5 7. a4 a5 8. Nbd2 Re8 9. Nc4 Be6 10. b3 h6

A05w — KIA

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d3 d6

Les coups candidats

6.e4 — 59.4% (2822 parties)

Ambassadeurs : Muench, Ursula, Dr. (14x), Weindl, Alfred (12x), Kende, Gyorgy Dr. (9x), Gierse, Heinz-Dieter, Dr. (9x), Niermann, Michael, Dr. (8x), Haub, Thorsten Michael (8x), Bilek, Istvan (7x), Vuillerme, Francois (6x)

6.c4 — 16.5% (782 parties)

Ambassadeurs : Lomakina, Galja (12x), Kapischka, Jens (5x), Mirumian, Vigen (5x), Zivkovic, Zivojin (5x), Serafim Junior, Arnor (5x), Shoker, Samy (5x), Zielinska, Jolanta (4x), Fekete, Albert (4x)

6.Nbd2 — 15.3% (725 parties)

Ambassadeurs : Paetzold, Ortwin (6x), Maczkowiak, Thomas (5x), Anastassopulos, Anastasios (3x), Moody, David W (3x), Lendwai, Reinhard (3x), Bobzin, Pierre (3x), Nurbekoglu, Michael (3x), Hebels, Alex (3x)

6.c3 — 4.3% (204 parties)

Ambassadeurs : Vujadinovic, Goran (6x), Habibi, Ali (6x), Cejic Dusica (3x), Terwitte, Lukas (3x), Brigljevic, Milan (3x), Enzmann, Steffen (3x), Shoker, Samy (3x), Bognar, Csaba Dr. (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.e4	6.c4	6.Nbd2	6.c3
<1800	177	56%	14%	18%	4%
1800-2200	2028	60%	15%	16%	4%
2200-2600	1192	61%	22%	9%	5%
2600+	11	73%	27%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6.e4	6.c4	6.Nbd2	6.c3
1940s	3	100%	—	—	—
1950s	57	61%	23%	14%	—
1960s	104	61%	23%	11%	2%
1970s	137	55%	21%	17%	4%
1980s	266	62%	16%	15%	3%
1990s	1290	63%	13%	16%	4%
2000s	1412	59%	17%	16%	3%
2010s	1298	56%	19%	14%	6%
2020s	184	59%	18%	11%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.e4	56%	59%	▲ +2.5%
6.c4	19%	18%	▼ -0.6%
6.Nbd2	14%	11%	▼ -2.8%
6.c3	6%	7%	+0.4%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 2 parties
Smyslov, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Ding, Liren — 1 partie

Parties historiques

6.e4 — 59.4% (2822 parties)

1942 — Pelikan, Jan vs Graf, Sascha — 1-0 — Mar del Plata ARG
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

6.c4 — 16.5% (782 parties)

1951 — Petrosian, Tigran A. vs Khachaturov Andre — 1-0 — Moscow RUS
1954 — Pilnik, Herman vs Wade, Robert G — 1/2-1/2 — Belgrade SRB
1956 — De Souza Mendes, Joao vs Alvarez del Monte, Jose — 0-1 — Montevideo URU
1956 — Grogan, Richard vs Clarke, Paul R H — 0-1 — Moskou olm
1956 — Smyslov, Vladimir vs Stahlberg, Gideon — 1-0 — A.Alekhin memorial, Moscow

6.Nbd2 — 15.3% (725 parties)

1954 — Olexa, Vilem vs Alster, Ladislav — 1-0 — Prague CZE
1955 — Frankel, Z. vs Sarapu, O. — 0-1 — New Zealand ch
1956 — Fischer, Raphael vs Popovych, Orest — 1-0 — Oklahoma City open
1957 — Wagner, Carl E vs Brandts, Paul — 0-1 — East Orange
1957 — Golubev, Valerii vs Zakharov, Vasiliy — 1-0 — Soviet Union

6.c3 — 4.3% (204 parties)

1964 — Nezhmetdinov, Rashid vs Cherepkov, Alexander V — 1-0 — Spartak-ch Moscow RUS
1965 — Lewi, Jerzy vs Pietrusiak, Bogdan — 1-0 — Poznan POL
1974 — Rocha, Antonio vs Alves, Francisco H B Severino — 1-0 — Rio de Janeiro BRA
1975 — McCullough, H. vs Caldwell, Susan Linda — 0-1 — Glasgow SCO
1976 — Azadharf, Farrokh vs Ahad, Wazin — 1-0 — Groningen NED

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