E97d — King’s Indian: Mar del Plata, 8.d5 Ne7

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 * ○ Trait aux Blancs

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 g5 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. Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ 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 la case forte g4 et 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. ...Bg4 (Développer Bc8, clouer Nf3) ; ...c6 (Rupture) ; ...c5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c4→d5, e4→d5	● d6→e5, c7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● g5 (2v0)	● g4 (2v0)
Cases faibles	—	● d5
Centre	● d4 (2v1), ● d5 (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. 5)
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	● …c7-c6, ● …c7-c5

Partie
1952 Hungary Ch – Round 12 – Szabo, Ladislav – 1/2-1/2 – Szabo - Thomka, Daniel – G70 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Rb1 a5 10. a3 b6
1954 ITA-ch17 Trieste – Round 6 – Magrin, Antonio – 0-1 – Primavera, Giuseppe – G6 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e4 d6 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. h3 Ne8 10. b4 f5
1954 Munich zt – Round 18 – Golombek, Harry – 1-0 – Lokvenc, Josef – G115 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Be3 Nd7 10. Qd2 Kh8
1956 Moscow olm fin-B – Round 7 – Moller, Baldur Helgi – 1/2-1/2 – Dworzynski, Roman – G74 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. d5 Ne7 9. Rb1 Nd7 10. b4 f5
1957 CSR Ch sf – Round 15 – Malcanek, Oldrich – 1/2-1/2 – Vesely, Jiri – G56 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. h3 Nd7 10. g4 f5
1957 URS Ch, semi final – Round 7 – Aronson, Lev – 1-0 – Borisenko, Georgy K – G84 1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. a3 c5 10. b4 b6
1959 Stevenson Memorial – Round 9 – Gereben, Erno – 1-0 – Wood, Baruch – G39 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. d5 Ne7 9. Rb1 a5 10. a3 Ne8
1960 Sao Paulo zt – Round 11 – German, Eugenio – 1-0 – Canabrava, Antonio – G62 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d6 5. e4 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. h3 Nd7 10. Qc2 b6
1961 Netanya – Round 9 – Kraidman, Yair – 1-0 – Szapiro, Grzegorz – G55 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Nh4 Nd7 10. g3 f5
41. Olympiad Open 2014 – Round 10.5 – Gajewski, Grzegorz – 1-0 – Cheparinov, Ivan – G727 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. a4 a5 10. Ne1 Nd7
43. Olympiad 2018 – Round 6.19 – Iturrizaga Bonelli, Eduardo – 0-1 – Popovic, Dusan – G379 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be2 d6 6. Nf3 e5 7. O-O Nc6 8. d5 Ne7 9. a4 a5 10. b3 Nd7
43. Olympiad 2018 – Round 6.8 – Sibashvili, Giorgi – 1-0 – Van Foreest, Jorden – G423 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Be3 Nd7 10. Nd2 f5
SportAccord Blindfold Men 2012 – Round 5.3 – Nakamura, Hikaru – 1-0 – Radjabov, Teimour – G35 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Kh1 Ne8 10. Ne1 f5
World Blitz 2021 – Round 21.44 – Gajewski, Grzegorz – 0-1 – Shevchenko, Kirill – G1235 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. a4 Nh5 10. a5 h6
World Cup 1989 – Round 1 – Korchnoi, Viktor – 0-1 – Kasparov, Garry – G82 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 Nc6 7. O-O e5 8. d5 Ne7 9. a4 a5 10. Ne1 Nd7
World Cup 1989 – Round 1 – Korchnoi, Viktor – 0-1 – Kasparov, Garry – G83 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 Nc6 7. O-O e5 8. d5 Ne7 9. a4 a5 10. Ne1 Nd7
World Rapid 2016 – Round 2.27 – Wojtaszek, Radoslaw – 1-0 – Belyakov, Bogdan – G67 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. a4 a5 10. Ne1 Nd7
World Rapid 2019 – Round 14.77 – Gajewski, Grzegorz – 1-0 – Makarian, Rudik – G938 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. a4 Nd7 10. a5 h6

E97d — 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.d5 Ne7

Les coups candidats

9.Ne1 — 42.8% (22338 parties) →

Ambassadeurs : Pogorelov, Ruslan (65x), Lanz Calavia, José María (55x), Kozul, Zdenko (52x), Susla, Vitaliy (52x), Ikonnikov, Vyacheslav (49x), Kazoks, Aivars (46x), Neverov, Valeriy (45x), Ftacnik, Lubomir (43x)

9.b4 — 37.4% (19534 parties) →

Ambassadeurs : Van Wely, Loek (94x), Malakhatko, Vadim (60x), Epishin, Vladimir (55x), Savchenko, Stanislav (55x), Weber, Karlheinz (55x), Gonzaga Grego, Luís (54x), Veingold, Aleksandr (48x), Pott, Brian (46x)

9.Nd2 — 11.8% (6154 parties) →

Ambassadeurs : Gleizerov, Evgeny (69x), Ftacnik, Lubomir (59x), Chuchelov, Vladimir (47x), Ulybin, Mikhail (47x), Nemet, Ivan (46x), Sinkovics, Peter (42x), Lputian, Smbat (36x), Farago, Ivan (27x)

9.Bg5 — 2.2% (1162 parties) →

Ambassadeurs : Nikcevic, Nebojsa (20x), Gonda, Laszlo (14x), Berczes, David (13x), Belov, Igor (12x), Legky, Nikolay A (12x), Xu, Yinglun (12x), Eingorn, Vereslav S (9x), Galyas, Miklos (8x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Ne1	9.b4	9.Nd2	9.Bg5
<1800	920	40%	41%	6%	2%
1800-2200	16046	46%	39%	8%	2%
2200-2600	25684	40%	39%	13%	2%
2600+	915	26%	44%	20%	2%

Évolution par décennie (% des parties)

Décennie	N parties	9.Ne1	9.b4	9.Nd2	9.Bg5
1920s	1	100%	—	—	—
1930s	2	100%	—	—	—
1940s	2	50%	—	—	—
1950s	161	68%	19%	—	1%
1960s	442	67%	24%	5%	0%
1970s	1003	50%	13%	25%	0%
1980s	2258	57%	10%	28%	1%
1990s	11818	43%	26%	24%	3%
2000s	14966	36%	46%	10%	3%
2010s	18207	46%	40%	5%	2%
2020s	3326	37%	53%	2%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Ne1	46%	37%	▼ -8.7%
9.b4	40%	53%	▲ +13.3%
9.Nd2	5%	2%	▼ -2.8%
9.Bg5	2%	3%	▲ +1.1%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Ju, Wenjun — 10 parties
Ding, Liren — 10 parties
Carlsen, Magnus — 9 parties
Karpov, Anatoly — 7 parties
Karpov, Aleksandr — 5 parties
Smyslov, Vladimir — 3 parties
Euwe, Max — 3 parties
Gukesh D — 3 parties
Botvinnik, Mikhail — 1 partie
Fischer, Robert James — 1 partie

Parties historiques

9.Ne1 — 42.8% (22338 parties)

1926 — Hoenlinger, Baldur vs Duenmann, Arthur — 0-1 — Vienna AUT
1936 — Van Scheltinga, Theo vs Poschauko, Karl — 1/2-1/2 — Munich GER
1937 — Reinhardt, Enrique vs Lange, Wilfried — 1-0 — Hamburg GER
1946 — Cabrera, Alexis vs De la Torre Infante, Antony R. — 1-0 — Match Ch Oriente, Cu
1952 — Taimanov, Mark vs Bronstein, David I — 1-0 — Moskou ch-URS

9.b4 — 37.4% (19534 parties)

1955 — Veltmander, Iogannes vs Abroshin, M.S — 0-1 — USSR ch-03 5557
1955 — Kevitz, Alexander vs Pinkus, Albert — 1/2-1/2 — New York, NY USA
1956 — Chaplinsky, Edgar vs Khalamez — 1-0 — Soviet Union
1956 — Taimanov, Mark vs Ciocaltea, Victor — 1-0 — Moscow RUS
1956 — Taimanov, Mark vs Ciocaltea, Victor — 1-0 — Moscow RUS

9.Nd2 — 11.8% (6154 parties)

1960 — Udovcic, Mijo vs Bulat, Ante — 1-0 — Ljubljana
1961 — Shamkovich, Leonid vs Nezhmetdinov, Rashid — 0-1 — Baku ch-URS
1962 — Levit, Roman vs Zhukhovitsky, Samuel — 1-0 — Moscow RUS
1962 — Nikolaevsky, Yuri V vs Savon, Vladimir A — 1-0 — Kiev UKR
1962 — Nikolaevsky, Yuri V vs Tukmakov, Vladimir B — 1-0 — Kiev UKR

9.Bg5 — 2.2% (1162 parties)

1954 — Golombek, Harry vs Bronstein, David I — 0-1 — London ENG
1961 — Ilivitsky, Grigory vs Shakhov, Mikhail — 1-0 — Kirov
1966 — Rosenburg, Hauke vs Palatnik, Semon — 0-1 — ?
1970 — Lopez Rodriguez, Antonio 2012 vs Soria Berregal, Victoriano — 0-1 — Aviles ESP
1971 — Basso Oscar vs Coto Alban Miguel A — 0-1 — CADAP II LAm-cup pr '69 APA.V

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