Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● g2→f3, f3→e4, c4→d5, e4→d5 ● d6→c5, e7→d6, f7→g6, h7→g6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● b5 (2v0) ● e5 (2v0)
Cases faibles ● d5
Centre ● d4 (2v1), ● d5 (4v1), ● e4 (2v1) ● e5 (2v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bf1 ● Bf1 Non développé (mob. 2)
Be3 ● Be3 Actif (mob. 6)
Bg7 ● Bg7 Ok (mob. 2)
Bc8 ● Bc8 Non développé (mob. 0)
Paire de fous ● Oui ● Oui
Non développées 4 (● g1, ● 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 fermé
Ruptures ● e4-e5 ● …e7-e6

E81s — King’s Indian: Saemisch, 5…O-O 6.Be3 Nbd7 7.Qd2 c5 8.d5

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nbd7 7.Qd2 c5 8.d5 *   ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bB
bQ
bR
bK
bP
bP
bN
bP
bP
bB
bP
bP
bN
bP
Case forte (2v0)
bP
wPPion central
wP
wPPion central
wN
wBFou actif — mobilité 6
wP
wP
wP
wQ
wP
wP
wR
wK
wB
wN
wR
abcdefgh
Plans. g4 (Attaque à l'aile roi — 16 % des parties) ; Bh6 (15 % des parties) ; Bg5 (Fou actif (mobilité 5) — 15 % des parties) ; Nh3 (Développer g1 — 14 % des parties) ; Nge2 (Développer g1 — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wN
wB
wK
wR
wP
wP
wQ
wP
wP
wP
wB
wN
wP
wP
Avant-poste C (accessible)
wP
bP
bP
bN
bP
bP
bB
bP
bP
bN
bP
bP
bK
bR
bQ
bB
bR
hgfedcba
Plans. ...a6 (Préparer expansion aile dame — 36 % des parties) ; ...Ne5 (Cavalier centralisé en e5 — 34 % des parties) ; ...Re8 (16 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1928 The Hague ol (Men) – Round 11 – Schelfhout, Willem – 1-0 – Michel, Walter – G70
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. d5 Ne5 9. g4 Qa5 10. h4 Qb4
1935 GER ch Bad Aachen – Round 11 – Engels, Ludwig – 0-1 – Elstner, Rudolf – G13
1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 O-O 5. Nc3 d6 6. Be3 Nbd7 7. Qd2 c5 8. d5 a6 9. Bh6 Rb8 10. Bxg7 Kxg7
1937 Bad Saarow – Round 4 – Makarczyk, Kazimierz – 0-1 – Engels, Ludwig – G11
1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be3 O-O 7. f3 Nbd7 8. Qd2 a6 9. Bh6 Bxh6 10. Qxh6 Qa5
1950 DDR Ch – Round 14 – Zirngibl, Albert – 1-0 – Schlieder, Rolf – G28
1. d4 Nf6 2. c4 g6 3. f3 d6 4. e4 Bg7 5. Nc3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. d5 a6 9. Bh6 Re8 10. Bxg7 Kxg7
1953 GER Ch 15th – Round 3 – Platz, Hans – 0-1 – Fuchs, Reinhart – G7
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nbd7 6. Be3 c5 7. d5 O-O 8. Qd2 a6 9. Nge2 Ne5 10. Nc1 e6
1954 Belgrade – Round 10 – Czerniak, Moshe – 0-1 – Pilnik, Herman – G88
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. d5 Re8 9. O-O-O a6 10. Kb1 Qa5
1954 Prague zt – Round 17 – Sajtar, Jaroslav – 0-1 – Uhlmann, Wolfgang – G96
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. d5 Qa5 9. Rc1 a6 10. g4 Rb8
1958 Corr – Round 1 – Fridh, Anton – 0-1 – Nattorp, T. – G7
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. d5 a6 9. h4 Qa5 10. Bh6 Bxh6
1958 Munich olm fin-C – Round 7 – Cintron, Rafael L – 0-1 – Primavera, Giuseppe – G18
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. d5 a6 9. Nge2 Rb8 10. Ng3 Qa5
1958 Munich olm fin-C – Round 7 – Romani, Elio – 1-0 – Benitez Diaz, Francisco Javier – G19
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. d5 a6 9. Bh6 Rb8 10. h4 Nh5
1959 Riga – Round 12 – Niemela, Ilmari Aarne – 1-0 – Franz Alpizar, Tomas – G73
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. d5 a6 9. g4 Qa5 10. h4 b5
1960 Leningrad tt – Round 11 – Hallerod, Ralph – 1-0 – Maedler, Juergen, Dr. – G145
1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. d5 Qa5 9. Bd3 Ne5 10. Nge2 a6
1962 Varna olm – Round 6 – Pustina, Ylvi – 0-1 – Penrose, Justin – G256
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. d5 Re8 9. Nge2 Ne5 10. Ng3 e6
1964 Moscow RUS – Round ? – Chistiakov, Alexander – 1-0 – Mutchnik, Larisa – G44
1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. d5 a6 9. Nh3 Rb8 10. Be2 Qa5
1966 Blitz Match – Round 4 – Hort, Vlastimil – 1-0 – Adamski, Jan – G6
1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. d5 Re8 9. Nh3 Ne5 10. Nf2 e6
1966 La Habana olm prel – Round 7 – De Castro, Edgar – 0-1 – Nilsson, Zandor – G272
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. d5 Re8 9. Bd3 a6 10. Nge2 Ne5
1966 WchTJ U26 prel – Round 3 – Stepak, Yedael – 0-1 – Burgener, F. – G18
1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. d5 Re8 9. Be2 a6 10. g4 Rb8
Hoogovens 1985 – Round 2 – Beliavsky, Alexander G – 0-1 – Nunn, John D M – G5
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. d5 Ne5 9. h3 Nh5 10. Bf2 f5
Hoogovens 1985 – Round 6 – Timman, Jan H – 1/2-1/2 – Nunn, John D M – G19
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. d5 Ne5 9. Bg5 a6 10. f4 Ned7

E81s — Saemisch (1928)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nbd7 7.Qd2 c5 8.d5
Les coups candidats
8…Ne5 — 37.7% (298 parties)
Ambassadeurs : Nunn, John D M (5x), Karolyi, Tibor (3x), Weindl, Alfred (3x), Wallace, John Paul (3x), Van Wely, Loek (3x), Degraeve, Jean-Marc (2x), Pelletier, Yannick (2x), Gallagher, Joseph G. (2x)
8…a6 — 35.8% (283 parties)
Ambassadeurs : Soltis, Andrew (2x), Summermatter, Daniel (2x), Barbero, Gerardo F (2x), Geller, Alexander (1x), Shmit, Anatoly (1x), Niemela, Ilmari Aarne (1x), Franz, Joachim (1x), Mann, Steve (1x)
8…Re8 — 11.4% (90 parties)
Ambassadeurs : Khodos, German (2x), Kogan, Aleksander (2x), Sychev, Anatoly V (2x), Miguel, Nahuel (1x), Idigoras Guisasola, Gregorio (1x), Amadou THIERNO (1x), Witt, Laszlo (1x), Kool, Gerard (1x)
8…Qa5 — 5.4% (43 parties)
Ambassadeurs : Suba, Mihai (2x), Ochoa De Echaguen, Francisco Javier (2x), Rudd, Jack (2x), Pleasants, Allan J (2x), Sajtar, Jaroslav (1x), Uhlmann, Wolfgang (1x), Hallerod, Ralph (1x), Maedler, Juergen, Dr. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Ne5 8…a6 8…Re8 8…Qa5
<1800 89 31% 34% 11% 6%
1800-2200 341 33% 39% 12% 6%
2200-2600 176 62% 30% 3% 3%
2600+ 3 100%
Évolution par décennie (% des parties)
Décennie N parties 8…Ne5 8…a6 8…Re8 8…Qa5
1950s 24 42% 46% 8%
1960s 24 33% 50% 12%
1970s 20 15% 45% 20% 10%
1980s 35 51% 26% 9%
1990s 254 47% 33% 6% 3%
2000s 233 42% 33% 10% 5%
2010s 181 28% 43% 10% 9%
2020s 20 40% 35% 15%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Ne5 28% 40% ▲ +11.8%
8…a6 43% 35% ▼ -7.5%
8…Re8 10% 15% ▲ +5.1%
8…Qa5 9% 0% ▼ -9.4%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 2 parties
Karpov, Anatoly — 1 partie
Parties historiques
8…Ne5 — 37.7% (298 parties)
1972 — Lee, Rajiv Adhikari vs Heasman, Richard — 0-1 — Barnstaple op
1973 — Bartolomeis, Eduardo de vs Cagide Manuel — 1-0 — CADAP III LAm-cup '71 APA.IV.
1979 — Nahas, Emmanuel vs Weeks, G. — 0-1 — Arkansas
1985 — Dlugy, Maxim vs Rohde, Michael — 1-0 — Philadelphia, PA USA
1985 — Filutowski, Ryszard vs Jasinski, Miroslaw — 1-0 — Poland corr
8…a6 — 35.8% (283 parties)
1950 — Zirngibl, Albert vs Schlieder, Rolf — 1-0 — Soemmerda GER
1953 — Platz, Hans vs Fuchs, Reinhart — 0-1 — Leipzig GER
1955 — Pavlik, Samuel vs Kozma, Edmund — 1-0 — Stary Smokovec SVK
1956 — Avram, Herbert Mois vs Hudson, John A — 1/2-1/2 — Oklahoma City, OK USA
1958 — Fridh, Anton vs Nattorp, T. — 0-1 — cr.
8…Re8 — 11.4% (90 parties)
1951 — Kalkstein, Rodolfo vs Linskens, Rogelio — 1/2-1/2 — San Rafael
1953 — Borloy, Karoly vs Kluger, Gyula — 1-0 — Budapest HUN
1954 — Czerniak, Moshe vs Pilnik, Herman — 0-1 — Belgrade SRB
1956 — Miguel, Nahuel vs Idigoras Guisasola, Gregorio — 1-0 — Mar del Plata ARG
1956 — Wheeler, John F vs Dore, JC. — 1-0 — Blackpool ENG
8…Qa5 — 5.4% (43 parties)
1954 — Sajtar, Jaroslav vs Uhlmann, Wolfgang — 0-1 — Praag zt
1958 — Holmes, Richard Frank vs Ellison, D George — 1/2-1/2 — Leamington
1960 — Hallerod, Ralph vs Maedler, Juergen, Dr. — 1-0 — Leningrad RUS
1967 — Timman, Jan H vs Goetgeluck, Gerald — 1-0 — The Hague NED
1968 — Sardinha, Helder vs Fuller, Maxwell Leonard — 0-1 — Lugano olm

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