E97c — King’s Indian: Mar del Plata, 8.Be3 Ng4

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.Be3 Ng4 9.Bg5 f6 10.Bc1 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte b5….

Atouts. Les Blancs s'appuient sur les cases fortes b5 et d5 et la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. Be3 (Développer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Jeu au centre (rupture d6-d5).

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

Côté adverse. Les fous enfermés en c1 et e2.

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

Plans. ...d5 (Rupture) ; ...f5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● d6→e5, f6→e5, c7→d6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (3v0)	—
Cases faibles	● d4	—
Centre	● d5 (3v0), ● e4 (1v0)	● e5 (4v2)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Be2	● Be2 Enfermé (mob. 1)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 3)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	2 (● c8, ● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5, ● d4-d5	● …d6-d5, ● …f6-f5

Partie
1953 Buenos Aires m – Round 1 – Reshevsky, Samuel – 1-0 – Najdorf, Miguel – G1 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Nh6
1953 Candidats Tournament – Round 10 – Taimanov, Mark E – 1/2-1/2 – Boleslavsky, Isaac – G60 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. e4 e5 6. Be2 O-O 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 exd4
1953 Opatija IT – Round ? – Udovcic, Mijo – 1-0 – Milic, Borislav – G18 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Nh6
1953 Opatija IT – Round 2 – Golombek, Harry – 1/2-1/2 – Rabar, Braslav – G1 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 f5
1953 Opatija IT – Round 9 – Udovcic, Mijo – 1-0 – Bertok, Mario Jr. – G11 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 f5
1953 Zagreb – Round 15 – Udovcic, Mijo – 1/2-1/2 – Rabar, Braslav – G115 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 f5
1953 Zagreb – Round 4 – Gligorić, Svetozar – 1/2-1/2 – Udovcic, Mijo – G47 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Nh6
1954 DDR Ch 05th – Round 12 – Schlieder, Rolf – 0-1 – Franz, Joachim – G63 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Nh6
1955 Voros Lobogo – Round 5 – Portisch, Lajos – 1/2-1/2 – Gasztonyi, Endre – G26 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Nh6
1955 Wch U20 final-A – Round 5 – Keller, Dieter – 0-1 – Spassky, Boris Vasily – G18 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Nh6
1955 Wch U20 prel-B – Round 3 – Portisch, Lajos – 1/2-1/2 – Tringov, Georgi P – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 f5
1957 Bratislava Bratislava SVK – Round 12 – Prameshuber, Alexander – 1/2-1/2 – Tringov, Georgi P – G50 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 f5
1957 It – Round 13 – Rellstab, Ludwig – 1/2-1/2 – Uhlmann, Wolfgang – G20 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 exd4
1957 Leningrad Ch – Round 3 – Zilber, Israel – 0-1 – Taimanov, Mark E – G20 1. c4 g6 2. d4 Nf6 3. Nf3 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 exd4
1957 Madrid – Round 2 – Rossolimo, Nicolas – 1/2-1/2 – Diez del Corral, Jesus – G14 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. e4 d6 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Nh6
1960 Buenos Aires – Round 14 – Ivkov, Borislav – 1/2-1/2 – Evans, Larry M – G148 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Kh8
1960 GBR Ch 47th – Round 8.1 – Barden, Leonard – 1/2-1/2 – Penrose, Jonathan – G64 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Kh8
1960 Madrid zt – Round 4 – Giustolisi, Alberto – 1-0 – Penrose, Justin – G31 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 exd4
1960 New York ch-USA – Round 3 – Reshevsky, Samuel – 1-0 – Berliner, Hans – G11 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 f5
1961 New York ch-USA – Round 7 – Byrne, David – 1/2-1/2 – Evans Lianda – G34 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Kh8
1962 LAT Ch – Round ? – Zilber, Israel – 1/2-1/2 – Gipslis, Aivars – G72 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. d4 d6 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Nh6
1966 La Habana olm fin-A – Round 13 – Simon Cobo, Enrique – 1/2-1/2 – Byrne, Ray – G243 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Kh8
1969 Capablanca Memorial – Round 8 – Uhlmann, Wolfgang – 0-1 – Donner, Jan-Hein – G61 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. Be3 Ng4 8. Bg5 f6 9. Bc1 Nc6 10. O-O f5
1969 San Juan – Round 7 – Donner, Jan-Hein – 1-0 – Kavalek, Lubomir – G46 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. Be3 Ng4 8. Bg5 f6 9. Bc1 Nc6 10. O-O exd4
1990 Linares 8th – Round 3 – Portisch, Lajos – 0-1 – Kasparov, Garry – G16 1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. c4 Nf6 5. Nc3 O-O 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 f5
43. Olympiad 2018 – Round 6.3 – Svane, Rasmus – 0-1 – Sutovsky, Emil – G398 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 f5
FIDE-Wch k.o. 1999 – Round 2.2 – Sokolov, Ivan. – 0-1 – Shirov, Alexei – G61 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 f5
Geneve Credit Suisse 1996 – Round 4.2 – Kasparov, Garry – 0-1 – Anand, Viswanathan – G9 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. Be3 Ng4 8. Bg5 f6 9. Bc1 Nc6 10. O-O f5
Novi Sad olm 1990 – Round 10 – Agdestein, Simen – 1/2-1/2 – Milos, Gilberto – G66 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Nxd4
Torneo Magistral 6th 1997 – Round 5 – San Segundo Carrillo, Pablo – 1/2-1/2 – Topalov, Veselin – G20 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 f5

E97c — Mar del Plata

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.Be3 Ng4 9.Bg5 f6 10.Bc1

Les coups candidats

10…f5 — 39.2% (396 parties)

Ambassadeurs : Cebalo, Miso (9x), Portisch, Lajos (8x), Ingersol, Harry (7x), Vera Gonzalez-Quevedo, Reynaldo (6x), Van Wely, Loek (6x), Van der Sterren, Paul (5x), Bologan, Victor (5x), Hazai, Laszlo Dr. (4x)

10…Nh6 — 25.3% (255 parties)

Ambassadeurs : Cebalo, Miso (11x), Vukic, Milan (7x), Groszpeter, Attila (6x), Cvitan, Ognjen (5x), Reshevsky, Samuel (4x), Najdorf, Miguel (3x), Timoscenko, Gennadij (3x), Portisch, Lajos (3x)

10…Kh8 — 14.2% (143 parties)

Ambassadeurs : Cebalo, Miso (7x), Uhlmann, Wolfgang (4x), Jackelen, Thomas (4x), Fish, Gennadij (3x), Horvath, Jozsef (3x), Zaremba, Artur (3x), Borriss, Martin, Dr. (3x), Xie, Jun (3x)

10…exd4 — 13.7% (138 parties)

Ambassadeurs : Cebalo, Miso (7x), Levacic, Patrick (3x), Sofrevski, Jovan (3x), Taimanov, Mark (2x), Sznapik, Aleksander (2x), Maric, Alisa (2x), Miles, Anthony J (2x), Adamski, Jan (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10…f5	10…Nh6	10…Kh8	10…exd4
<1800	4	50%	25%	25%	—
1800-2200	201	51%	23%	6%	13%
2200-2600	654	36%	25%	16%	15%
2600+	19	68%	11%	11%	—

Évolution par décennie (% des parties)

Décennie	N parties	10…f5	10…Nh6	10…Kh8	10…exd4
1950s	22	27%	55%	5%	14%
1960s	20	25%	25%	25%	15%
1970s	17	41%	24%	24%	12%
1980s	51	12%	45%	20%	12%
1990s	402	30%	27%	20%	13%
2000s	169	44%	21%	16%	14%
2010s	221	53%	20%	5%	16%
2020s	107	57%	20%	3%	12%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10…f5	53%	57%	▲ +4.1%
10…Nh6	20%	20%	▼ -0.7%
10…Kh8	5%	3%	▼ -2.2%
10…exd4	16%	12%	▼ -3.7%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 3 parties
Anand, Viswanathan — 1 partie

Parties historiques

10…f5 — 39.2% (396 parties)

1953 — Golombek, Harry vs Rabar, Braslav — 1/2-1/2 — Opatija IT
1953 — Udovcic, Mijo vs Rabar, Braslav — 1/2-1/2 — Zagreb CRO
1953 — Udovcic, Mijo vs Bertok, Mario Jr. — 1-0 — Opatija IT
1955 — Portisch, Lajos vs Tringov, Georgi P — 1/2-1/2 — Antwerp BEL
1957 — Prameshuber, Alexander vs Tringov, Georgi P — 1/2-1/2 — Bratislava Bratislava SVK

10…Nh6 — 25.3% (255 parties)

1953 — Reshevsky, Samuel vs Najdorf, Miguel — 1-0 — Buenos Aires ARG
1953 — Reshevsky, Samuel vs Najdorf, Miguel — 1-0 — Buenos Aires ARG
1953 — Udovcic, Mijo vs Milic, Borislav — 1-0 — Opatija IT
1953 — Gligorić, Svetozar vs Udovcic, Mijo — 1/2-1/2 — Zagreb CRO
1953 — Reshevsky, Samuel vs Najdorf, Miguel — 1-0 — Buenos Aires ARG

10…Kh8 — 14.2% (143 parties)

1953 — Reshevsky, Samuel vs Najdorf, Miguel — 1-0 — Buenos Aires ARG
1960 — Barden, Leonard vs Penrose, Jonathan — 1/2-1/2 — Leicester
1960 — Ivkov, Borislav vs Evans, Larry — 1/2-1/2 — Buenos Aires ARG
1961 — Minaya, Juan vs Kuettner, Uwe — 1-0 — The Hague NED
1961 — Byrne, David vs Evans Lianda — 1/2-1/2 — New York, NY USA

10…exd4 — 13.7% (138 parties)

1953 — Taimanov, Mark vs Boleslavsky, Isaac — 1/2-1/2 — Zurich SUI
1957 — Zilber, Israel vs Taimanov, Mark — 0-1 — Leningrad RUS
1957 — Rellstab, Ludwig vs Uhlmann, Wolfgang — 1/2-1/2 — Gotha GER
1960 — Giustolisi, Alberto vs Penrose, Justin — 1-0 — Madrid ESP
1961 — Neikirkh, Oleg vs Kostov Petkov, Petko — 1-0 — Sofia BUL

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