Archives des E64a - 6…c5 - King’s Indian: Fianchetto Yugoslav System [+0.26]

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E64a — King’s Indian: Fianchetto Yugoslav System

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c5

Eval: [+0.26]

Les coups candidats

Ambassadeurs : Gligorić, Svetozar (11x), Geller, Efim P. (8x), Donner, Jan-Hein (8x), Byrne, Ray (7x), Arkell, Keith C (7x), Paramos Dominguez, Roberto (6x), Fancsy, Imre (5x), Wojtkiewicz, Aleksander (5x)

7.d5 — 25.9% (1036 parties) →

Ambassadeurs : Najdorf, Miguel (11x), Gligorić, Svetozar (10x), Korchnoi, Viktor (7x), Slipak, Sergio (7x), Donner, Jan-Hein (6x), Udovcic, Mijo (6x), Marovic, Drazen (6x), Boleslavsky, Isaac (5x)

7.dxc5 — 9.1% (364 parties) →

Ambassadeurs : Porath, Yosef (4x), Bryakin, Mikhail (4x), Udovcic, Mijo (3x), Navarovszky, Laszlo (3x), Bruno Pat (3x), Arsovic, Goran (3x), Szuk, Balazs (3x), Mozny, Milos (3x)

7.e3 — 1.1% (44 parties)

Ambassadeurs : Angles d'Auriac, Bernard (1x), Casa, Alex (1x), Kristinsson, Sveinn (1x), Kolarov, Atanas Stefanov (1x), Mallia Blas (1x), Morgado, Juan Sebastian (1x), Christensen Johannes M (1x), Jesso Kurt (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.O-O	7.d5	7.dxc5	7.e3
<1800	119	55%	29%	13%	3%
1800-2200	1269	62%	27%	9%	1%
2200-2600	1614	65%	25%	10%	0%
2600+	63	67%	22%	11%	—

Évolution par décennie (% des parties)

Décennie	N parties	7.O-O	7.d5	7.dxc5	7.e3
1920s	2	50%	50%	—	—
1940s	4	100%	—	—	—
1950s	166	43%	40%	10%	1%
1960s	168	55%	34%	7%	2%
1970s	115	75%	17%	6%	2%
1980s	199	68%	20%	10%	1%
1990s	713	70%	18%	9%	1%
2000s	828	67%	22%	8%	1%
2010s	1118	59%	30%	10%	1%
2020s	689	57%	30%	11%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.O-O	59%	57%	▼ -1.6%
7.d5	30%	30%	▲ +0.9%
7.dxc5	10%	11%	▲ +1.0%
7.e3	1%	0%	▼ -1.2%

Joueurs célèbres

Champions du monde dans cette position

Ju, Wenjun — 4 parties
Euwe, Max — 3 parties
Smyslov, Vladimir — 2 parties
Karpov, Anatoly — 2 parties
Carlsen, Magnus — 2 parties
Botvinnik, Mikhail — 1 partie
Kasparov, Garry — 1 partie

Parties historiques

7.O-O — 62.4% (2498 parties)

1928 — Barlow, Henry Stephens vs Morrison, John Harold — 1-0 — Tenby
1941 — Van den Hoek, Arnold vs Sterk, Jonas — 1-0 — unknown
1942 — Junge, Klaus vs Koesler, Erich — 1/2-1/2 — Dresden GER
1944 — Sanguinetti, Renato vs Pelikan, Jorge — 1/2-1/2 — La Plata
1946 — Laisaari, M. vs Rantanen, Matti — 1/2-1/2 — Helsinki FIN

7.d5 — 25.9% (1036 parties)

1925 — Gruenfeld, Ernst vs Bluemich, Max — 1-0 — Breslau GER
1951 — Brandenberg, Karl Heinz vs Fuderer, Andrija — 0-1 — Match FRG-YUG
1952 — Cruz, Walter vs Rabar, Braslav — 0-1 — Rio de Janeiro BRA
1952 — Gruenfeld, Ernst vs Udovcic, Mijo — 0-1 — Belgrade SRB
1952 — Heemsoth, Hermann vs Carls, Carl — 1-0 — Bremen GER

7.dxc5 — 9.1% (364 parties)

1951 — Stoltz, Gosta vs Fuderer, Andrija — 1/2-1/2 — It Dortmund GER
1952 — Euwe, Max vs Alex Crisovan — 1-0 — Zurich SUI
1952 — Bozic, Aleksandar vs Nedeljkovic, Srecko M — 1-0 — Belgrade SRB
1952 — Bozic, Aleksandar vs Udovcic, Mijo — 1/2-1/2 — Belgrade SRB
1953 — Ojanen, Kaarle S vs Rossetto, Hector — 0-1 — Mar del Plata ARG

7.e3 — 1.1% (44 parties)

1954 — Moiseev, Oleg vs Vasiukov, Evgeni — 1/2-1/2 — Erevan ARM
1955 — Kristinsson, Sveinn vs Kolarov, Atanas Stefanov — 1/2-1/2 — Lyon FRA
1960 — Angles d'Auriac, Bernard vs Casa, Alex — 1-0 — Leipzig GER
1962 — Christensen Johannes M vs Jesso Kurt — 1-0 — ?
1965 — Mallia Blas vs Morgado, Juan Sebastian — 0-1 — cr UDAPA

Partie
1954 Amsterdam olm – Round 1 – Palmason, Gudmundur – 1/2-1/2 – Barden, Leonard – G12 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 c5 7. h3 Nc6 8. Be3 b6 9. O-O Bd7 10. Qd2 Rb8
1954 URS Ch, semi final – Round 1 – Moiseev, Oleg – 1/2-1/2 – Vasiukov, Evgeni – G79 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. d4 c5 7. e3 Nc6 8. O-O Bg4 9. h3 Bxf3 10. Bxf3 Nd7
1955 Ljubljana – Round 16 – Stahlberg, Gideon – 1/2-1/2 – Krivec Slavko – G143 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nc3 c5 7. h3 Nc6 8. Be3 Bd7 9. Rc1 cxd4 10. Nxd4 Nxd4
1956 Moscow olm prel – Round 4 – Stahlberg, Gideon – 1/2-1/2 – Padevsky, Nikola – G120 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c5 7. h3 Nc6 8. Be3 cxd4 9. Nxd4 Bd7 10. Qd2 Qc8
1957 Dublin zt – Round 16 – Van Scheltinga, Theo – 1/2-1/2 – Giustolisi, Alberto – G124 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 c5 7. h3 Nc6 8. Be3 cxd4 9. Nxd4 Bd7 10. Rc1 Qc8
1957 Mar del Plata – Round 12 – Kotov Lundqvist, Alex – 1-0 – Rubio Aguado, Fernando – G105 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 c5 7. Bd2 Nc6 8. d5 Na5 9. b3 a6 10. a4 Bd7
1959 BUL Ch Sofia BUL – Round 1 – Kolarov, Atanas Stefanov – 1-0 – Pantaleev, Dimitar Dimitrov – G4 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d6 5. g3 O-O 6. Bg2 c5 7. h3 Nc6 8. Be3 cxd4 9. Nxd4 Bd7 10. Qd2 Qc8
1960 Leipzig olm fin-C – Round 11 – Angles d'Auriac, Bernard – 1-0 – Casa, Alex – G62 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. d4 c5 7. e3 Nc6 8. O-O Bg4 9. h3 Bxf3 10. Bxf3 Nd7
1960 Madrid zt – Round 1 – Lehmann, Heinz – 1/2-1/2 – Penrose, Justin – G5 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c5 7. h3 Nc6 8. dxc5 dxc5 9. Qxd8 Rxd8 10. Be3 Bf5
1961 Bled – Round 3 – Portisch, Lajos – 1/2-1/2 – Bertok, Mario Jr. – G35 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 O-O 6. Nc3 c5 7. h3 Nc6 8. Be3 cxd4 9. Nxd4 Bd7 10. Rc1 Rc8
1965 Corr UDAPA – Round ? – Mallia Blas – 0-1 – Morgado, Juan Sebastian – G6 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c5 7. e3 Nc6 8. O-O Ne8 9. Re1 Bg4 10. a3 cxd4