E81t — King’s Indian: Saemisch, 5…O-O 6.Be3 Nbd7 7.Qd2 c5 8.Nge2 a6

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nbd7 7.Qd2 c5 8.Nge2 a6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte f4….

Atouts. Les Blancs s'appuient sur les cases fortes f4 et d5, un fou actif en e3 et 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 fou f1 et les tours a1 et h1).

♚ 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 la paire de fous.

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

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

Plans. ...d5 (Rupture) ; ...e6 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● g2→f3, f3→e4	● d6→c5, b7→a6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 0)
Be3	● Be3 Actif (mob. 5)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	3 (● f1, ● a1, ● h1)	2 (● 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	● d4-d5, ● e4-e5, ● f3-f4	● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1937 Brno – Round 10 – Koblencs, Alexander – 1-0 – Haida, August Konrad – G20 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nbd7 6. Be3 O-O 7. Qd2 c5 8. Nge2 a6 9. Ng3 cxd4 10. Bxd4 Qa5
1938 Lodz – Round 1 – Regedzinski, Theodor – 1/2-1/2 – Foltys, Jan – G55 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 Nbd7 6. f3 O-O 7. Be3 c5 8. Qd2 a6 9. Rd1 Qa5 10. dxc5 Nxc5
1954 Olympiad prel III – Round 1 – Aloni, Itzchak – 1-0 – Andersen, Baltser – G11 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. g4 cxd4 10. Nxd4 Ne5
1955 CSR Ch – Round 15 – Rejfir, Josef – 1-0 – Ujtelky, Maximilian – G115 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. Rd1 Qc7 10. Nf4 e6
1956 Moscow olm fin-B – Round 8 – Gromek, Jozef – 1-0 – Ader Hausman, Walter – G83 1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 c5 6. Nge2 O-O 7. Be3 Nbd7 8. Qd2 a6 9. g3 Rb8 10. a4 Re8
1958 Munich olm fin-A – Round 2 – Golombek, Harry – 1/2-1/2 – Toran Albero, Roman – G13 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. Bh6 Qa5 10. Bxg7 Kxg7
1958 Munich olm prel – Round 5 – Darga, Klaus – 1/2-1/2 – Toran Albero, Roman – G106 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. dxc5 Nxc5 10. Nd4 Ne6
1958 Munich olm prel – Round 6 – Allison Mariama Stern – 0-1 – Rossolimo, Nicolas – G134 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nbd7 6. Be3 c5 7. Nge2 O-O 8. Qd2 a6 9. g4 Qa5 10. Ng3 cxd4
1958 Munich olm prel – Round 8 – Minev, Nikolay N – 1-0 – Boutteville, Cesar – G180 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. Rd1 Qc7 10. Nc1 Nb6
1958 New York ch-USA – Round 10 – Sherwin, James T – 0-1 – Reshevsky, Samuel – G47 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. Nc1 cxd4 10. Bxd4 Ne5
1959 Santiago – Round 10 – Jauregui, Carlos – 1-0 – Fischer, Robert J – G57 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Nge2 a6 8. Qd2 c5 9. a3 Rb8 10. b4 cxd4
1959 URS Team Ch – Round 1 – Gurgenidze, Bukhuti – 1-0 – Giterman, Shlomo – G9 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 Nbd7 6. Be3 O-O 7. Qd2 c5 8. Nge2 a6 9. g4 cxd4 10. Nxd4 Ne5
1960 Avantgard Ch – Round 1 – Zamikhovsky, Abram – 1-0 – Sakhanovich – G1 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nbd7 6. Be3 O-O 7. Qd2 c5 8. Nge2 a6 9. O-O-O b5 10. dxc5 Qa5
1961 Balcarce – Round 1 – Behrensen, Jorge – 1-0 – Goldenberg, Edgardo – G12 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f3 c5 6. Nge2 d6 7. Be3 Nbd7 8. Qd2 a6 9. dxc5 Nxc5 10. Nf4 Be6
1961 DDR-ch2 – Round ? – Pallwitz, Otto – 1/2-1/2 – Pietzsch, Wolfgang – G9 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Nge2 c5 8. Qd2 a6 9. g4 Qa5 10. Ng3 cxd4
1961 Katowice ch18-POL – Round 2 – Gniot, Tadeusz – 0-1 – Balcerowski, Witold – G27 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. a4 Qa5 10. Nc1 cxd4
1961 Moskou – Round 1 – Polugaevsky, Lev – 1/2-1/2 – Boleslavsky, Isaac – G48 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. Rd1 Qc7 10. Nc1 cxd4
1961 Moskou ZShK – Round 10 – Pachman, Ludek – 1/2-1/2 – Vasiukov, Evgeni – G49 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. O-O-O Qa5 10. Kb1 b5
1961 United States Open Championship – Round 11 – Weaver, Norris – 0-1 – Osbun, Erik – G10 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be3 d6 6. f3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. O-O-O 9. ... b5 10. dxc5 dxc5
1961 URS Ch sf Batumi GEO – Round ? – Arakelov, Ilya – 0-1 – Buslaev, Aleksander – G57 1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. g4 Rb8 10. Ng3 cxd4
1961 Wch U20 fin-B – Round 11 – Rubinetti, Jorge – 0-1 – Gilden, Lawrence – G16 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Nge2 c5 8. Qd2 a6 9. g4 Rb8 10. Ng3 cxd4
1961 Yugoslavia Cup – Round 1 – Stupica, Janez – 1-0 – Bogdanovic, Rajko – G1 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. Rd1 Qa5 10. Nc1 cxd4
1962 Bucharest ROM – Round 14 – Popov, Luben – 1/2-1/2 – Gheorghiu, Florin – G37 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f3 d6 6. Be3 Nbd7 7. Nge2 c5 8. Qd2 a6 9. O-O-O Qa5 10. Kb1 b5
1962 Sarajevo – Round 2 – Bobotsov, Milko G – 1/2-1/2 – Darga, Klaus – G20 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Nge2 c5 8. Qd2 a6 9. Rd1 Qa5 10. Nc1 cxd4
1962 Stockholm Interzonal – Round 11 – Bilek, Istvan – 1-0 – Cuellar Alpire, Mariana – G96 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. f3 Nbd7 7. Be3 c5 8. Qd2 a6 9. O-O-O Qa5 10. Kb1 Re8
1962 Stockholm Interzonal – Round 3 – Aaron, Manuel – 0-1 – Fischer, Robert J – G23 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. Ng3 cxd4 10. Bxd4 Ne5
1962 URS Team Ch – Round 1 – Nei, Iivo – 1/2-1/2 – Suetin, Alexey S – G12 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 O-O 5. f3 d6 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. O-O-O Qc7 10. g4 cxd4
1963 Capablanca Memorial – Round 6 – O'Kelly, Albéric de Galway – 1/2-1/2 – Perez Perez, Francisco Jose – G53 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Nge2 c5 7. Be3 Nbd7 8. Qd2 a6 9. d5 Ne5 10. Ng3 e6
1963 Halle zt – Round ? – Kanko, Ilkka – 1/2-1/2 – Johansson, Martin 1979 – G146 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. Rd1 Qc7 10. Nc1 cxd4
1963 LAT Ch – Round ? – Zelinsky, Yuri – 1-0 – Peterson, Andrejs – G26 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nbd7 6. Be3 c5 7. Qd2 O-O 8. Nge2 a6 9. g4 cxd4 10. Nxd4 Nc5
1963 POL Ch 20th – Round 9 – Fronczek, Heinrich – 0-1 – Tarnowski, Alfred – G57 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nbd7 6. Be3 c5 7. Nge2 O-O 8. Qd2 a6 9. g4 Qa5 10. Bh6 b5
1964 Magdeburg – Round 13 – Bruemmer, Ullrich – 1/2-1/2 – Starck, Bodo – G45 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. Bh6 Rb8 10. Bxg7 Kxg7
1966 La Habana olm prel – Round 5 – Yepez, Olavo – 1-0 – Garcia Soruco, Julio – G183 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nbd7 6. Be3 O-O 7. Qd2 c5 8. Nge2 a6 9. a4 e5 10. dxc5 Nxc5
1966 WchT U26 fin-A 13th – Round 6 – Westerinen, Heikki M.J. – 1/2-1/2 – Gat, Israel – G15 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Nge2 c5 8. Qd2 a6 9. Rd1 Qa5 10. Nc1 cxd4
1967 US Open – Round 12 – Vano, Edward – 0-1 – Benko, Pal – G38 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be3 d6 6. f3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. d5 Ne5 10. Ng3 e6
1968 Meldorf U26 – Round 11 – Westerinen, Heikki M.J. – 1-0 – Andersson, Ulf 1949 – G43 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. O-O-O Qa5 10. Kb1 Re8
1969 Zagreb – Round 13 – Grdinic, Zvonimir – 0-1 – Udovcic, Mijo – G90 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nd7 5. Nge2 c5 6. Be3 Ngf6 7. f3 O-O 8. Qd2 a6 9. Nc1 Qc7 10. Nb3 cxd4
Amber-blind 3rd 1994 – Round 5 – Kramnik, Vladimir – 1-0 – Piket, Jeroen – G21 1. e4 d6 2. d4 Nf6 3. f3 g6 4. Be3 Bg7 5. Qd2 O-O 6. Ne2 Nbd7 7. c4 c5 8. Nbc3 a6 9. Rd1 Qc7 10. Nf4 e6

E81t — Saemisch

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nbd7 7.Qd2 c5 8.Nge2 a6

Les coups candidats

9.Rd1 — 26.8% (349 parties)

Ambassadeurs : Carow, Johannes, Dr. (5x), Spasov, Vancho (4x), Hareux, Hubert (3x), Antic, Dejan (3x), Postny, Evgeny (3x), Munkhgal, Gombosuren (3x), Humburg, Philipp (3x), Neef, Maximilian (3x)

9.d5 — 17.1% (223 parties)

Ambassadeurs : Czerwonski, Aleksander (4x), Horvath, Maria (4x), Gunina, Valentina (3x), Ozolin, Maxim (3x), Nahalka, Jan (3x), Lee, Jayden Z (3x), Skacelik, Petr (3x), Fuhrmann, Daniel (2x)

9.O-O-O — 13.6% (177 parties)

Ambassadeurs : Rupp, Markus (3x), Ballo, Emanuel (3x), Bilek, Istvan (2x), Zamikhovsky, Abram (2x), Bobotsov (2x), Roos, Michel (2x), Saidy, Anthony (2x), Reeh, Oliver (2x)

9.dxc5 — 13.4% (175 parties)

Ambassadeurs : Estremera Panos, Sergio (4x), Svetushkin, Dmitry (3x), Khenkin, Igor (3x), Jorczik, Julian (3x), Sorin, Ariel (2x), Nunn, John D M (2x), Ham, Stephen E (2x), Lanka, Zigurds (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Rd1	9.d5	9.O-O-O	9.dxc5
<1800	23	13%	22%	13%	22%
1800-2200	438	27%	19%	12%	10%
2200-2600	604	30%	19%	11%	18%
2600+	13	54%	8%	—	31%

Évolution par décennie (% des parties)

Décennie	N parties	9.Rd1	9.d5	9.O-O-O	9.dxc5
1930s	2	50%	—	—	—
1950s	28	11%	—	25%	11%
1960s	38	16%	11%	34%	3%
1970s	17	6%	—	41%	12%
1980s	50	20%	8%	24%	12%
1990s	291	20%	14%	19%	11%
2000s	352	25%	20%	13%	12%
2010s	488	36%	19%	7%	17%
2020s	38	24%	26%	11%	18%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Rd1	36%	24%	▼ -12.0%
9.d5	19%	26%	▲ +6.8%
9.O-O-O	7%	11%	▲ +3.8%
9.dxc5	17%	18%	▲ +1.8%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

9.Rd1 — 26.8% (349 parties)

1938 — Regedzinski, Theodor vs Foltys, Jan — 1/2-1/2 — Lodz POL
1954 — Calderon Rivera, Ximena Valentina vs Jerolim, J — 1-0 — Amsterdam NED
1955 — Rejfir, Josef vs Ujtelky, Maximilian — 1-0 — Prague CZE
1958 — Minev, Nikolay N vs Boutteville, Cesar — 1-0 — Munich GER
1960 — Saidy, Anthony vs Reshevsky, Samuel — 0-1 — New York Metropolita

9.d5 — 17.1% (223 parties)

1963 — O'Kelly, Albéric de Galway vs Perez Perez, Francisco Jose — 1/2-1/2 — Havana CUB
1966 — Kerins, Nick vs Gat, Israel — 0-1 — Oerebro
1967 — Vano, Edward vs Benko, Pal — 0-1 — Atlanta
1968 — Fonrobert Gert Wolfgang vs Everard Mario — 0-1 — Sao Bernardo
1980 — Hoi, Carsten vs Fuller, Maxwell L — 0-1 — Kopenhagen open

9.O-O-O — 13.6% (177 parties)

1955 — Juettler Helmut vs Bruentrup, Dieter — 1/2-1/2 — Zittau GER
1956 — Valshanov vs Prahov, Valentin — 0-1 — Bulgaria
1956 — Zamikhovsky, Abram vs Nezhmetdinov, Rashid — 1/2-1/2 — Kharkov UKR
1958 — Bobotsov vs Al Tal, Ammar — 0-1 — Varna BUL
1958 — Bobotsov vs Tal, Mikhail — 0-1 — Varna BUL

9.dxc5 — 13.4% (175 parties)

1954 — Zamikhovsky vs Skotorenko, W. — 1-0 — Leningrad ch22-SU sf
1955 — Padevsky, Nikola vs Tringov, Georgi P — 0-1 — Sofia BUL
1958 — Darga, Klaus vs Toran Albero, Roman — 1/2-1/2 — Munich GER
1961 — Behrensen, Jorge vs Goldenberg, Edgardo — 1-0 — Balcarce
1976 — Zilberstein, Valery I vs Petrushin, Alexander I — 1/2-1/2 — Novosibirsk RUS

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