E99k — King’s Indian: Mar del Plata, 10.f3 f5 11.Nd3 Nf6 12.Bd2

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 Nf6 12.Bd2 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte b5, case forte d5, Bd2 actif, paire de fous.
Faiblesses adverses : Bg7 enfermé, Bc8 enfermé.
Problèmes : Be2 enfermé.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : Be2 enfermé.
Problèmes : Bg7 enfermé, Bc8 enfermé.
Plans :
● ...Bf5 — Développer Bc8
● ...c6 — Rupture
● ...c5 — Rupture
● ...f4 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E99k — 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 Nf6 12.Bd2

Eval: [+0.46]

Les coups candidats

12…f4 — 78.4% (2828 parties) →

Ambassadeurs : Sosonko, Gennadi (20x), Kozul, Zdenko (16x), Ftacnik, Lubomir (13x), Husemann, Andreas (13x), Zubac, Marius (12x), Schmidt, Wlodzimierz (12x), Neverov, Valeriy (11x), Roeder, Matthias (9x)

12…Kh8 — 11.0% (396 parties)

Ambassadeurs : Ftacnik, Lubomir (8x), Nunn, John D M (6x), Geller, Efim P. (5x), Gufeld, Eduard (4x), Kozul, Zdenko (4x), Neverov, Valeriy (4x), Berg, Klaus (4x), Kamp, Christoph (4x)

12…c5 — 4.0% (145 parties)

Ambassadeurs : Biyiasas, Peter (3x), Sznapik, Aleksander (3x), Portisch, Lajos (2x), Zaltsman, Vitaly (2x), Morrison, Robert (2x), Panno, Oscar (2x), Shashin, Alexsander A (2x), Evans, Bill (2x)

12…h5 — 2.2% (79 parties)

Ambassadeurs : Evelev, Vladimir M. (3x), Van Wely, Loek (3x), Van de Pol, Martijn (2x), Scholseth, Tor Kristian (2x), Hallam, John (2x), Norri, Joose (2x), Laakso, Harri (2x), Hausrath, Daniel (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12…f4	12…Kh8	12…c5	12…h5
<1800	36	89%	6%	—	—
1800-2200	1053	82%	8%	4%	1%
2200-2600	1635	77%	12%	4%	3%
2600+	47	60%	26%	4%	6%

Évolution par décennie (% des parties)

Décennie	N parties	12…f4	12…Kh8	12…c5	12…h5
1950s	5	80%	—	—	—
1960s	25	68%	—	20%	4%
1970s	148	82%	5%	9%	—
1980s	464	78%	14%	4%	0%
1990s	1051	72%	16%	4%	5%
2000s	810	80%	10%	4%	2%
2010s	1007	83%	7%	4%	1%
2020s	97	89%	6%	1%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12…f4	83%	89%	▲ +5.7%
12…Kh8	7%	6%	▼ -1.3%
12…c5	4%	1%	▼ -2.7%
12…h5	1%	0%	▼ -0.8%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 7 parties
Tal, Mikhail — 4 parties
Karpov, Anatoly — 1 partie
Ju, Wenjun — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

12…f4 — 78.4% (2828 parties)

1955 — Gurgenidze, Bukhuti vs Tal, Mikhail — 1/2-1/2 — Voroshilovgrad
1955 — Ebralidze, Arkhil vs Gurgenidze, Bukhuti — 0-1 — Tbilisi GEO
1956 — Pachman, Ludek vs Padevsky, Nikola — 1-0 — Dresden GER
1958 — Fernandez, Bernardo vs Ramirez, Hernan — 1/2-1/2 — Pereira
1966 — Larsen, Bent Ravn vs Najdorf, Miguel — 1-0 — Santa Monica, CA USA

12…Kh8 — 11.0% (396 parties)

1970 — Dietz, Gabriel vs Gerlach-Buedinger, Manuela — 1-0 — cr.
1973 — Taimanov, Mark vs Geller, Efim P. — 1-0 — Moskou ch-URS
1973 — Mukhin, Mikhail vs Geller, Efim P. — 1/2-1/2 — Moscow RUS
1977 — Ftacnik, Lubomir vs Geller, Efim P. — 1-0 — Sochi RUS
1977 — Ftacnik, Lubomir vs Geller, Efim P. — 1-0 — Sochi RUS

12…c5 — 4.0% (145 parties)

1968 — Panno, Oscar vs Ocampo, Raul — 1-0 — Buenos Aires ARG
1968 — Bukic, Enver vs Janosevic, Dragoljub — 0-1 — Skopje MKD
1969 — Jansson, Borje vs Portisch, Lajos — 1/2-1/2 — Raach
1969 — Vladimirov, Boris T vs Tseitlin, Mark D — 0-1 — ?
1969 — Aulin-Jansson, Joran vs Portisch, Lajos — 1/2-1/2 — Raach

12…h5 — 2.2% (79 parties)

1968 — Acosta Garcia, Rafael Isaac vs Olsson, Adam — 1/2-1/2 — Lugano SUI
1988 — Zagorovsky vs Farcy, Francis — 0-1 — cr E-04chT
1990 — De La Rocha Prieto, Ramon vs Gallego Jimenez, Victoriano — 1-0 — ?
1990 — Latorre Miralles, Gerard vs Bernard Pochet, Corentin — 1-0 — FRA-ch Angers
1990 — Rasmussen, Lars-Bo vs Fabiano, Giuseppe — 0-1 — Prague CZE

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● g2→f3, f3→e4, c4→d5, e4→d5	● d6→e5, g6→f5, c7→d6, h7→g6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bd2	● Bd2 Actif (mob. 6)
Be2	● Be2 Enfermé (mob. 0)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	1 (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, ● f3-f4	● …c7-c6, ● …c7-c5, ● …f5-f4

Partie
19. Amber Blindfold 2010 – Round 2 – Aronian, Levon – 0-1 – Carlsen, Magnus – G7 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
1953 Glasgow International – Round 7 – Fairhurst, William – 1/2-1/2 – Wade, Robert G – 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. d5 Ne7 9. Ne1 Ne8 10. Nd3 f5
1968 Alma Ata ch-URS – Round 1 – Nikitin, A. – 0-1 – Zaitsev, Igor A – G16 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
1968 Lugano SUI – Round 1 – Acosta Garcia, Rafael Isaac – 1/2-1/2 – Olsson, Adam – G60 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
1968 Skopje/Ohrid – Round 3 – Bukic, Enver – 0-1 – Janosevic, Dragoljub – 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. d5 Ne7 9. Ne1 Ne8 10. Nd3 f5
1968 URS-ch36 – Round 9 – Nikitin, Yuri – 0-1 – Zaitsev, Igor A – 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
1969 Raach zt – Round ? – Jansson, Borje – 1/2-1/2 – Portisch, Lajos – G184 1. c4 Nf6 2. Nf3 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
1972 Skopje ol (Men) fin-A – Round 11 – Schaufelberger, Heinz – 1/2-1/2 – Sznapik, Aleksander – G78 1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Ne8 10. Nd3 f5
1990 Linares 8th – Round 1 – Gelfand, Boris – 1/2-1/2 – Kasparov, Garry – 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. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5
Amber-blindfold 20th 2011 – Round 7 – Giri, Anish – 0-1 – Topalov, Veselin – G21 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5
Hoogovens 1998 – Round 5 – Gelfand, Boris – 1-0 – Nijboer, Friso – G23 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
Moskou ch-URS 1973 – Round 1 – Taimanov, Mark E – 1-0 – Geller, Efim P – G27 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. Bd2 Nd7 10. Ne1 f5
Reggio Emilia9192 1992 – Round 6 – Khalifman, Alexander – 1/2-1/2 – Gelfand, Boris – G19 1. c4 g6 2. Nf3 Bg7 3. e4 d6 4. d4 Nf6 5. Nc3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5
Ultimate Blitz Challenge 2016 – Round 2.2 – Nakamura, Hikaru – 1/2-1/2 – Kasparov, Garry – G4 1. c4 g6 2. e4 Bg7 3. d4 d6 4. Nc3 Nf6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5
World Blitz 2015 – Round 12.45 – Ragger, Markus – 0-1 – Al-Sayed, Mohammed – G756 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

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