E60h — King’s Indian: b3 System

1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b3 d6 5.Bb2 O-O 6.e3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Jeu au centre (rupture c4-c5).

Atouts. Les Blancs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b1, le fou f1 et les tours a1 et h1).

Plans. Nc3 (Développer Nb1) ; Bd3 (Développer Bf1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Attaque sur le roi adverse resté au centre.

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

Côté adverse. Le fou enfermé en f1 et le roi resté au centre.

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	● a2→b3, f2→e3, b3→c4, e3→d4	● c7→d6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● g4 (2v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (4v0), ● e5 (2v1)	● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 2)
Bb2	● Bb2 Ok (mob. 3)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● b1, ● f1, ● a1, ● h1)	3 (● b8, ● c8, ● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e3-e4	● …c7-c6, ● …c7-c5, ● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1933 Leningrad ch-URS – Round 1 – Romanovsky, Pjotr – 1-0 – Bohatyrchuk, Fedir Parfenovych – G54 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 O-O 5. e3 d6 6. d4 Nbd7 7. Be2 c5 8. O-O b6 9. Nc3 Bb7 10. Qc2 Qc7
1936 BCF Ch 29. Major Open A – Round 8 – List, Paul – 1-0 – Bruce, Ronald MacKay – G12 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 O-O 5. e3 d6 6. d4 Nbd7 7. Be2 c6 8. Nbd2 Qc7 9. Qc2 e5 10. O-O Re8
1949 Moskou ch-URS – Round ? – Ragozin, Viacheslav – 0-1 – Lilienthal, Andor – G170 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. b3 Bg7 5. Bb2 O-O 6. e3 Nbd7 7. Be2 e5 8. O-O e4 9. Nfd2 Re8 10. Nc3 Nf8
1949 POL-CSR Katowice POL – Round 2 – Zita, Frantisek – 1/2-1/2 – Plater, Kazimierz – G11 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d6 6. d4 Nbd7 7. Be2 c6 8. O-O Qc7 9. Qc2 e5 10. c5 dxc5
1953 Mar del Plata – Round 17 – Gligorić, Svetozar – 1-0 – Ojanen, Kaarle S – G162 1. c4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d6 6. d4 Nbd7 7. Qc2 Re8 8. Nc3 e5 9. Be2 c6 10. O-O exd4
1954 Amsterdam olm – Round 1 – Trifunovic, Petar – 1/2-1/2 – Czerniak, Magdalena – G68 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d6 6. d4 e5 7. dxe5 Ng4 8. Be2 Nc6 9. Nc3 Ncxe5 10. Nxe5 Nxe5
1955 Novi Sad – Round 1 – Milic, Borislav – 1/2-1/2 – Trajkovic, Mihajlo – G31 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d6 6. d4 e5 7. dxe5 Ng4 8. Be2 Nxe5 9. Nxe5 dxe5 10. O-O Bf5
1955 Novi Sad – Round 3 – Milic, Borislav – 1/2-1/2 – Gligorić, Svetozar – G43 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d6 6. d4 Nbd7 7. Be2 e5 8. dxe5 Ng4 9. O-O Re8 10. Nc3 dxe5
1955 POL-URS Lodz POL – Round ? – Flohr, Salo – 1-0 – Dworzynski, Roman – G12 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d6 6. d4 Nbd7 7. Be2 e5 8. dxe5 Ng4 9. O-O Ngxe5 10. Nc3 Re8
1955 Zittau-A 5th – Round 3 – Eising, Johannes – 1/2-1/2 – Bruentrup, Dieter – G11 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d6 6. d4 Nfd7 7. Be2 e5 8. Nc3 f5 9. O-O e4 10. Nd2 Nc6
1956 Debrecen – Round 1 – Cseh, Andor – 1/2-1/2 – Filip, Miroslav – G18 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 O-O 5. e3 d6 6. d4 c5 7. Be2 cxd4 8. exd4 d5 9. O-O Nc6 10. Ne5 dxc4
1956 Marianske Lazne/Praha – Round 10 – Flohr, Salo – 1-0 – Dworzynski, Roman – G69 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d6 6. d4 Nbd7 7. Be2 e5 8. dxe5 dxe5 9. O-O e4 10. Nd4 c6
1956 Moskou olm – Round 1 – Porath, Yosef – 1/2-1/2 – Matanovic, Aleksandar – G82 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 d6 5. d4 O-O 6. e3 e5 7. dxe5 Ng4 8. Nc3 Nxe5 9. Be2 Nbc6 10. Qd2 Re8
1957 FRG Ch Bad Neuenahr – Round 8 – Lehmann, Heinz – 1/2-1/2 – Darga, Klaus – G25 1. d4 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. Nf3 d6 6. e3 Nbd7 7. Be2 e5 8. dxe5 dxe5 9. O-O e4 10. Nd4 Re8
1957 Hoogovens – Round 1 – Kramer, Haije – 1/2-1/2 – Matanovic, Aleksandar – G7 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 d6 5. d4 O-O 6. e3 e5 7. dxe5 Nfd7 8. Be2 dxe5 9. Nc3 f5 10. e4 c6
1957 Sombor – Round 5 – Cuderman, Vinko – 1/2-1/2 – Nedeljkovic, Srecko M – G65 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 O-O 5. e3 d6 6. d4 Nbd7 7. Be2 e5 8. dxe5 dxe5 9. O-O e4 10. Nd4 Re8
1957 URS Ch, semi final – Round 1 – Prokhorovich, Taras E – 1/2-1/2 – Lutikov, Anatoly S – G29 1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. b3 Bg7 5. Bb2 O-O 6. e3 Nfd7 7. Be2 e5 8. dxe5 dxe5 9. Nc3 e4 10. Nd4 Re8
1957 URS Ch, semi final – Round 1 – Prokhorovich, Taras E – 1/2-1/2 – Vladimirov, Boris T – G32 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d6 6. d4 c5 7. Be2 Ne4 8. O-O Nc6 9. Nbd2 Bf5 10. Nxe4 Bxe4
1958 Mar del Plata – Round 4 – Letelier Martner, Rene – 0-1 – Larsen, Benjamin Holsko – G28 1. e3 Nf6 2. Nf3 d6 3. c4 g6 4. b3 Bg7 5. Bb2 O-O 6. d4 c5 7. Be2 Qa5+ 8. Qd2 Qxd2+ 9. Nbxd2 Bf5 10. O-O Nc6
1958 YUG Ch 13th – Round 10 – Cuderman, Vinko – 0-1 – Matanovic, Aleksandar – G62 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 d6 5. d4 O-O 6. e3 Nbd7 7. Qc2 Re8 8. Be2 e5 9. O-O e4 10. Nfd2 Nf8
1960 BRA-ch27 – Round 4 – Toth, Peter – 0-1 – Camara, Helder – G5 1. c4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d6 6. d4 c5 7. d5 e6 8. Nc3 exd5 9. cxd5 Ne4 10. Qc2 Qa5
1960 Olympiad final A – Round 2 – Lehmann, Heinz – 0-1 – Dittmann, Sieghart – G3 1. c4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d6 6. d4 e5 7. dxe5 Nfd7 8. Be2 dxe5 9. Nc3 Na6 10. O-O Nac5
1960 URS Ch sf – Round 4 – Flohr, Salo – 1/2-1/2 – Peterson, Andrejs – G32 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d6 6. d4 Nbd7 7. Be2 e5 8. dxe5 dxe5 9. O-O e4 10. Nd4 c6
1961 Chigorin Memorial – Round 7 – Flohr, Salo – 1/2-1/2 – Kotkov, Yuri – G15 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d6 6. d4 e5 7. dxe5 Nfd7 8. Nc3 dxe5 9. Be2 c6 10. O-O Qe7
1961 CSR Ch – Round 8 – Skacel, Jan – 1-0 – Trapl, Jindrich – G79 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 O-O 5. c4 d6 6. d4 Nbd7 7. Be2 e5 8. O-O Re8 9. Nc3 e4 10. Nd2 Nf8
1962 Stockholm – Round 7 – Flohr, Salo – 1-0 – Buskenstrom, Sven – G22 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d6 6. d4 e5 7. dxe5 Ng4 8. Nc3 Nxe5 9. Be2 Nbc6 10. O-O Nxf3+
1964 Hoogovens – Round 1 – Kramer, Hanspeter – 1/2-1/2 – Lehmann, Heinz – G56 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d6 6. d4 e5 7. dxe5 Nfd7 8. Nc3 dxe5 9. e4 c6 10. Be2 Na6
1965 Chigorin Memorial – Round 5 – Flohr, Salo – 1-0 – Garcia Martinez, Salomon – G24 1. Nf3 g6 2. d4 Nf6 3. b3 Bg7 4. Bb2 O-O 5. c4 d6 6. e3 e5 7. dxe5 Ng4 8. Nc3 Nxe5 9. Be2 Bg4 10. O-O Nbd7
1967 Rubinstein Memorial – Round 7 – Flohr, Salo – 1-0 – Orbaan, Constant – G23 1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. b3 Bg7 5. Bb2 O-O 6. e3 e5 7. dxe5 Ng4 8. Nc3 Nxe5 9. Be2 Nbc6 10. O-O Bf5
1968 Riga – Round 1 – Pohla, Harry – 1/2-1/2 – Zhidkov, Valery S – G25 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 O-O 5. c4 d6 6. d4 e5 7. dxe5 Ng4 8. Be2 Nxe5 9. Nc3 Nbc6 10. O-O Re8
World Blitz 2018 – Round 3.76 – Reshetnikov, Alexey – 1-0 – Zvjaginsev, Vadim – G195 1. b3 Nf6 2. Bb2 g6 3. c4 Bg7 4. Nf3 O-O 5. e3 d6 6. d4 c6 7. Be2 Bf5 8. O-O a5 9. Nc3 Ne4 10. Nxe4 Bxe4
World Blitz 2019 – Round 3.91 – Blohberger, Felix – 1-0 – Bologan, Victor – G229 1. Nf3 d6 2. d4 Nf6 3. c4 g6 4. b3 Bg7 5. Bb2 O-O 6. e3 Nbd7 7. Be2 a5 8. Nc3 e5 9. O-O Re8 10. Qc2 c6
World Blitz 2021 – Round 10.13 – Puranik, Abhimanyu – 0-1 – Mamedov, Rauf – G573 1. Nf3 Nf6 2. c4 g6 3. b3 d6 4. d4 Bg7 5. Bb2 O-O 6. e3 e5 7. dxe5 dxe5 8. Nc3 Qe7 9. Be2 Rd8 10. Qc1 Nc6
World Blitz 2021 – Round 4.5 – Nakamura, Hikaru – 1/2-1/2 – Puranik, Abhimanyu – G237 1. Nf3 Nf6 2. e3 g6 3. c4 Bg7 4. d4 d6 5. b3 O-O 6. Bb2 Nbd7 7. Be2 e5 8. dxe5 Ng4 9. Nc3 Ngxe5 10. O-O Re8

E60h — System

1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b3 d6 5.Bb2 O-O 6.e3

Les coups candidats

6…Nbd7 — 46.4% (355 parties)

Ambassadeurs : Tolonen, Leo (17x), Flohr, Salo (4x), Montag, Wilfrid Franz (3x), Goletiani, Rusudan (3x), Grathwohl, Roland (3x), Romanovsky, Pjotr (2x), Gligorić, Svetozar (2x), Lehmann, Heinz (2x)

6…e5 — 16.2% (124 parties)

Ambassadeurs : De Jong, Migchiel (5x), Flohr, Salo (4x), Lehmann, Heinz (2x), Matanovic, Aleksandar (2x), Sukharisingh, Ralf (2x), Patwardhan, Omkar (2x), Managadze, Nikoloz (2x), Bu, Xiangzhi (2x)

6…c5 — 14.5% (111 parties)

Ambassadeurs : Habibi, Ali (3x), Montag, Wilfrid Franz (2x), Letelier Martner, Rene (1x), Larsen, Benjamin Holsko (1x), Toth, Peter (1x), Camara, Helder (1x), Cseh, Andor (1x), Filip, Miroslav (1x)

6…c6 — 7.7% (59 parties)

Ambassadeurs : Kabes V (1x), Pechan Z (1x), Flohr, Salo (1x), Andersson, Bjorn 1971 (1x), Eleveld, Henk (1x), Van Wely, Loek (1x), Dobrovolsky, Ladislav (1x), Vokac, Marek (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…Nbd7	6…e5	6…c5	6…c6
<1800	47	55%	9%	9%	9%
1800-2200	273	40%	13%	18%	10%
2200-2600	236	49%	24%	13%	8%
2600+	5	40%	60%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6…Nbd7	6…e5	6…c5	6…c6
1920s	1	—	—	—	—
1930s	4	75%	—	—	—
1940s	3	67%	—	—	—
1950s	26	46%	19%	15%	4%
1960s	15	33%	53%	7%	7%
1970s	23	52%	17%	13%	4%
1980s	34	47%	24%	9%	6%
1990s	160	52%	14%	15%	9%
2000s	200	46%	14%	14%	9%
2010s	224	42%	16%	17%	8%
2020s	75	48%	16%	15%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…Nbd7	42%	48%	▲ +6.5%
6…e5	16%	16%	-0.1%
6…c5	17%	15%	▼ -1.9%
6…c6	8%	5%	▼ -2.7%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 1 partie
Ding, Liren — 1 partie
Gukesh D — 1 partie

Parties historiques

6…Nbd7 — 46.4% (355 parties)

1933 — Romanovsky, Pjotr vs Bohatyrchuk, Fedir Parfenovych — 1-0 — Leningrad ch-URS
1933 — Romanovsky, Pjotr vs Bohatirchuk, Fedor — 1-0 — ?
1936 — List, Paul vs Bruce, Ronald MacKay — 1-0 — Nottingham ENG
1949 — Ragozin, Viacheslav vs Lilienthal, Andor — 0-1 — Moskou ch-URS
1949 — Zita, Frantisek vs Plater, Kazimierz — 1/2-1/2 — POL-CSR Katowice POL

6…e5 — 16.2% (124 parties)

1952 — Truelsen, Ole Illum vs Kolvig, Bent — 0-1 — Copenhagen DEN
1954 — Trifunovic, Petar vs Czerniak, Magdalena — 1/2-1/2 — Amsterdam olm
1955 — Milic, Borislav vs Trajkovic, Mihajlo — 1/2-1/2 — Novi Sad SRB
1956 — Porath, Yosef vs Matanovic, Aleksandar — 1/2-1/2 — Moskou olm
1957 — Kramer, Haije vs Matanovic, Aleksandar — 1/2-1/2 — Beverwijk NED

6…c5 — 14.5% (111 parties)

1955 — Blaszczak, C vs Witkowski, Stanislaw — 1-0 — Wroclaw POL
1956 — Cseh, Andor vs Filip, Miroslav — 1/2-1/2 — Debrecen HUN
1957 — Prokhorovich, Taras E vs Vladimirov, Boris T — 1/2-1/2 — Sverdlovsk
1958 — Letelier Martner, Rene vs Larsen, Benjamin Holsko — 0-1 — Mar del Plata ARG
1960 — Toth, Peter vs Camara, Helder — 0-1 — Fortaleza BRA

6…c6 — 7.7% (59 parties)

1950 — Kabes V vs Pechan Z — 0-1 — Chocen
1962 — Flohr, Salo vs Andersson, Bjorn 1971 — 1-0 — Stockholm int. turneringen
1975 — Kosenkov, Vsevolod Tikhonovich vs Pelts, Roman — 1-0 — Cheliabinsk tt
1982 — Dobrovolsky, Ladislav vs Vokac, Marek — 0-1 — Frenstat
1988 — Eleveld, Henk vs Van Wely, Loek — 0-1 — Groningen rapid

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