E99e — King’s Indian: Mar del Plata, 10.f3 f5 11.Nd3 f4

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.Ne1 Nd7 10.f3 f5 11.Nd3 f4 * ○ 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 la case forte b5 et la paire de fous.

Côté adverse. Le fou enfermé en c8 et un mauvais fou en g7.

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

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plan principal. Exploiter la case forte c5.

Atouts. Les Noirs s'appuient sur la case forte c5, un avant-poste en c5 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. ...c6 (Rupture) ; ...c5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● g2→f3, f3→e4, c4→d5, e4→d5	● e5→f4, d6→e5, c7→d6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0)	● c5 (2v1)
Cases faibles	● f4	● d5
Centre	● d5 (3v1), ● e4 (2v0)	● d4 (1v0), ● e5 (3v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 3)
Be2	● Be2 Enfermé (mob. 0)
Bg7		● Bg7 Mauvais (mob. 3)
Bc8		● Bc8 Non développé (mob. 0)
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
1953 Opatija IT – Round 9 – Milic, Borislav – 1/2-1/2 – Matanovic, Aleksandar – G12 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. Ne1 Nd7 10. Nd3 f5
1954 Amsterdam olm – Round 1 – Jerolim, J – 0-1 – Gereben, Erno – G89 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Nc6 7. O-O e5 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5
1954 Bucharest – Round 13 – Furman, Slavomir – 1-0 – Paoli, Enrico – G109 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5
1954 Buenos Aires – Round 1 – Lipiniks, Leonardo – 1-0 – Sanguinetti, Renato – G4 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5
1954 Montevideo – Round 3 – Letelier Martner, Rene – 1-0 – Alvarez del Monte, Jose – 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. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5
1954 RSFSR Ch – Round ? – Veltmander, Iogannes – 1/2-1/2 – Polugaevsky, Lev – G7 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. Ne1 Nd7 10. Nd3 f5
1954 URS Ch sf Gorky – Round 11 – Polugaevsky, Lev – 0-1 – Borisenko, Georgy K – G13 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. Ne1 Nd7 10. Nd3 f5
1954 USA-URS – Round 4 – Taimanov, Mark E – 0-1 – Evans, Larry M – G18 1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 O-O 5. d4 d6 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5
1955 DDR Ch 06th – Round 9 – Raths, Arno – 1/2-1/2 – Zirngibl, Albert – G42 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. Ne1 Nd7 10. Nd3 f5
1956 Alekhine Memorial – Round 1 – Najdorf, Miguel – 1-0 – Uhlmann, Wolfgang – G48 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. Ne1 Nd7 10. Nd3 f5
1956 Marianske Lazne/Praha – Round 17 – Wade, Robert G – 0-1 – Dworzynski, Roman – G111 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. Ne1 Nd7 10. Nd3 f5
1957 JUG Ch – Round 23 – Rabar, Braslav – 0-1 – Smailbegovic, Hasan – G22 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. Ne1 Nd7 10. Nd3 f5
1957 New York ch-USA – Round 13 – Reshevsky, Samuel – 0-1 – Lombardy, William J – G72 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. Ne1 Nd7 10. Nd3 f5
1957 Sombor – Round 1 – Vukovic, Sava – 1-0 – Bogdanovic, Rajko – 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. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5
1957 Sombor – Round 19 – Rabar, Braslav – 1-0 – Udovcic, Mijo – G181 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. Ne1 Nd7 10. Nd3 f5
1958 BUL Ch – Round ? – Kolarov, Atanas S. – 1-0 – Chaprazov Ivan – G69 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. e4 d6 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5
1960 Bariloche – Round ? – Bielicki, Carlos – 0-1 – Emma, Jaime – G38 1. d4 Nc6 2. Nf3 d6 3. d5 Nb8 4. c4 e5 5. e4 g6 6. Be2 Bg7 7. Nc3 Ne7 8. O-O O-O 9. Ne1 f5 10. f3 f4
1960 Bariloche – Round 1 – Bielicki, Carlos – 0-1 – Emma, Jaime – G5 1. d4 Nc6 2. Nf3 d6 3. d5 Nb8 4. c4 e5 5. e4 g6 6. Be2 Bg7 7. Nc3 Ne7 8. O-O O-O 9. Ne1 f5 10. f3 f4
1961 Santa Fe – Round 2 – Rossetto, Hector – 1-0 – Bielicki, Carlos – G13 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. Ne1 Nd7 10. Nd3 f5
1962 Vrnjacka Banja – Round 7 – Damjanovic, Marko – 1/2-1/2 – ? – G68 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. Be2 e5 6. Nf3 O-O 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5
42. Olympiad 2016 – Round 7.17 – Ragger, Markus – 1-0 – Maze, Sebastien – G486 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. Ne1 Nd7 10. Nd3 f5
FIDE World Rapid 2014 – Round 11.37 – Ragger, Markus – 1-0 – Al-Sayed, Mohammed – G259 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. Ne1 Nd7 10. Nd3 f5
Munich Intel Express blitz '5 1994 – Round 1 – Vaganian, Rafael A – 1/2-1/2 – Cvitan, Ognjen – G5 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. Ne1 Nd7 10. Nd3 f5
World Rapid 2016 – Round 11.39 – Mareco, Sandro – 1-0 – Amin, Bassem – G429 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. Ne1 Nd7 10. Nd3 f5
World Rapid 2019 – Round 4.37 – Sadhwani, Raunak – 0-1 – Amin, Bassem – G250 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. Ne1 Nd7 10. Nd3 f5

E99e — 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 9.Ne1 Nd7 10.f3 f5 11.Nd3 f4

Les coups candidats

12.Bd2 — 59.2% (921 parties)

Ambassadeurs : Kurylo, Risard Dr (8x), Kuhne, Detlev (7x), Tyulenko, Yuri Viktorovich (6x), Gatto, Claudio (6x), Froewis, Georg (6x), Lacoste, Alain (5x), Quiroga, Facundo (5x), Sørensen, Michael D. F. (5x)

12.b4 — 28.7% (447 parties)

Ambassadeurs : Broniek, Mariusz Maciej (10x), Frotscher, Thomas (9x), Orekhov, Dmitry Vjacheslavov (8x), Gonzaga Grego, Luís (7x), Langer, Raimund (7x), Shutovs, Artjoms (6x), Schakel, Corky (6x), Lanz Calavia, José María (6x)

12.g4 — 8.0% (125 parties)

Ambassadeurs : Miladinovic, Igor (5x), Lentrodt, Thomas (5x), Milanovic, Danilo (3x), Rada, Hannes (3x), Delisle, Claude (2x), Moy, Kevin (2x), Fernandez Ferri, Carlos Manuel (1x), Bellia, Fabrizio (1x)

12.b3 — 1.6% (25 parties)

Ambassadeurs : Tseng, Wilbur (3x), DeBonis, Patrick (3x), Altrichter, Ulrich (2x), Ensenbach, Marc (2x), Schwenk, Heinrich (2x), Eis, Harald (1x), Werner, Daniel (1x), Runarsson, Gunnar Freyr (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12.Bd2	12.b4	12.g4	12.b3
<1800	26	65%	27%	—	—
1800-2200	472	62%	24%	9%	2%
2200-2600	760	54%	36%	6%	2%
2600+	17	59%	29%	12%	—

Évolution par décennie (% des parties)

Décennie	N parties	12.Bd2	12.b4	12.g4	12.b3
1940s	1	100%	—	—	—
1950s	27	67%	22%	—	—
1960s	16	69%	25%	—	—
1970s	22	68%	27%	5%	—
1980s	79	77%	6%	13%	1%
1990s	177	58%	14%	22%	1%
2000s	211	63%	14%	19%	1%
2010s	722	69%	23%	4%	2%
2020s	302	27%	68%	2%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12.Bd2	69%	27%	▼ -41.8%
12.b4	23%	68%	▲ +44.4%
12.g4	4%	2%	▼ -1.9%
12.b3	2%	1%	▼ -0.9%

Joueurs célèbres

Champions du monde dans cette position

Ju, Wenjun — 3 parties
Gukesh D — 1 partie

Parties historiques

12.Bd2 — 59.2% (921 parties)

1946 — Cabrera, Alexis vs De la Torre Infante, Antony R. — 1-0 — Match Ch Oriente, Cu
1953 — Najdorf, Miguel vs Gligorić, Svetozar — 0-1 — Mar del Plata ARG
1953 — Najdorf, Miguel vs Gligoric, Svetozar — 1-0 — Mar del Plata ARG
1953 — Van Hoorde, Edouard vs Borodin, Vladimir — 0-1 — Antwerp BEL
1954 — Taimanov, Mark vs Evans, Larry — 0-1 — New York, NY USA

12.b4 — 28.7% (447 parties)

1954 — Veltmander, Iogannes vs Skotorenko, Vasily — 1/2-1/2 — Rostov on Don
1954 — Veltmander, Iogannes vs Polugaevsky, Lev — 1/2-1/2 — Rostov on Don
1954 — Polugaevsky, Lev vs Borisenko, Georgy K — 0-1 — URS-ch sf Gorky
1954 — Veltmander, Iogannes vs ? — 1-0 — Leningrad RUS
1957 — Kolarov, Atanas Stefanov vs Popov, Luben — 1/2-1/2 — Sofia BUL

12.g4 — 8.0% (125 parties)

1970 — Wikstrom, Bo-Gunnar vs Johansson Rexner, Melker — 1-0 — cr.
1983 — Fernandez Ferri, Carlos Manuel vs Bellia, Fabrizio — 0-1 — Ravenna jr
1987 — Machacek, Petr vs Stypka, Mieczyslaw — 1-0 — Brno CZE
1988 — Holmsgaard, Henrik vs Forgacs, Gyula — 1/2-1/2 — Wiesbaden GER
1988 — Kristensen, Henrik Lunden vs Jensen, Vagn — 0-1 — Denmark ch corr

12.b3 — 1.6% (25 parties)

1983 — Eis, Harald vs Werner, Daniel — 0-1 — Duitsland tt
1997 — Runarsson, Gunnar Freyr vs Copar, Anton — 0-1 — ICCF
1999 — Kucukali, Arif vs Valeinis, Janis — 0-1 — IECG
2006 — Altrichter, Ulrich vs Martín Vázquez, José Luis — 1-0 — ICCF
2006 — Altrichter, Ulrich vs Jedinger, Andreas — 1/2-1/2 — ICCF

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