Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● d6→e5, b7→c6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (3v2)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Ok (mob. 2)
Be7		● Be7 Ok (mob. 1)
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, ● d4-d5	● …c6-c5, ● …d6-d5

A55e — Old Indian: 5.e4 Be7 6.g3 c6 7.Bg2 O-O 8.O-O Qc7

1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4 Be7 6.g3 c6 7.Bg2 O-O 8.O-O Qc7 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Attaque sur l'aile roi (h3 dans 64 % des parties).

Atouts. Les Blancs s'appuient sur un contrôle dominant de g5.

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

Plans. h3 (Empêcher ...Bg4 — 64 % des parties) ; b3 (Préparer le fianchetto — 17 % des parties) ; Be3 (Fou actif (mobilité 5), Développer c1 — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Jeu au centre (rupture c6-c5).

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

Plans. ...Re8 (47 % des parties) ; ...a6 (Préparer expansion aile dame — 33 % des parties) ; ...Rd8 (8 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1923 Karlsbad – Round 1 – Rubinstein, Akiba – 1/2-1/2 – Chajes, Oscar – G42 1. d4 Nf6 2. Nf3 d6 3. c4 Nbd7 4. Nc3 c6 5. g3 e5 6. Bg2 Be7 7. O-O O-O 8. e4 Qc7 9. b3 Rd8 10. Bb2 Nf8
1925 Debrecen – Round 1 – Gruenfeld, Ernst – 1-0 – Kitaeff Mattison, Andres Constantin – G21 1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 e5 5. g3 Be7 6. Bg2 O-O 7. O-O c6 8. e4 Qc7 9. h3 Re8 10. Be3 Bf8
1925 Marienbad – Round 1 – Rubinstein, Akiba – 1-0 – Przepiorka, Dawid – G2 1. c4 e5 2. Nf3 d6 3. d4 Nd7 4. e4 Ngf6 5. Nc3 Be7 6. g3 O-O 7. Bg2 c6 8. O-O Qc7 9. h3 Re8 10. Be3 Bf8
1936 Nottingham – Round 1 – Botvinnik, Mikhail – 1-0 – Tartakower, Savielly – G60 1. Nf3 Nf6 2. c4 d6 3. d4 Nbd7 4. g3 e5 5. Bg2 Be7 6. O-O O-O 7. Nc3 c6 8. e4 Qc7 9. h3 Re8 10. Be3 Nf8
1938 Bad Harzburg – Round 2 – Eliskases, Erich – 0-1 – Kieninger, Georg – G5 1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 e5 5. e4 Be7 6. g3 O-O 7. Bg2 c6 8. O-O Qc7 9. b3 Re8 10. h3 a6
1938 Stockholm – Round 1 – Bergkvist, Anders – 1/2-1/2 – Ekenberg, Bengt – G2 1. c4 Nf6 2. Nf3 d6 3. d4 Nbd7 4. Nc3 e5 5. g3 Be7 6. Bg2 O-O 7. O-O c6 8. e4 Qc7 9. b3 Re8 10. Bb2 a6
1946 Hamburg Union – Round 7 – Maicherczyk, Georg – 0-1 – Schoenmann, Wilhelm – G8 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. g3 Be7 6. Bg2 O-O 7. O-O c6 8. e4 Qc7 9. b3 Re8 10. Bb2 Bf8
1947 Schlechter Memorial – Round 8 – Gruenfeld, Ernst – 1/2-1/2 – Grob, Henry – G26 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 Be7 6. Bg2 O-O 7. O-O c6 8. e4 Qc7 9. h3 Re8 10. Be3 b6
1947 Yugoslavia Ch – Round 14 – Gligoric, Svetozar – 1-0 – Bidev, Pavle – G69 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. g3 c6 6. e4 Be7 7. Bg2 O-O 8. O-O Qc7 9. h3 a6 10. a4 a5
1950 Hungary – Round 1 – Monostori, Lajos – 1-0 – Vajda, Arpad – G40 1. d4 Nf6 2. Nf3 d6 3. g3 Nbd7 4. Bg2 e5 5. c4 Be7 6. O-O O-O 7. Nc3 c6 8. e4 Qc7 9. Be3 Rd8 10. Rc1 Nf8
1952 URS Ch sf – Round ? – Khasin, Abram – 1-0 – Noakh Mikhail – G24 1. Nf3 d6 2. d4 Nd7 3. c4 e5 4. Nc3 Ngf6 5. g3 Be7 6. Bg2 O-O 7. O-O c6 8. e4 Qc7 9. b3 Re8 10. Bb2 Bf8
1953 Venice Venice ITA – Round 1 – Van Scheltinga, Theo – 1-0 – Castaldi, Vincenzo – G1 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. g3 Be7 6. Bg2 O-O 7. O-O c6 8. e4 Qc7 9. h3 a6 10. Be3 b5
1954 Olympiad final B – Round 11 – Flater, Odd – 0-1 – Bohatyrchuk, Fedir Parfenovych – G64 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nf3 Be7 6. g3 O-O 7. Bg2 c6 8. O-O Qc7 9. h3 Re8 10. Be3 Nf8
1958 Corr – Round 1 – Marsalek, Jaromir – 1-0 – Schoenmann, Wilhelm – G5 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. g3 Be7 6. Bg2 O-O 7. O-O c6 8. e4 Qc7 9. b3 Re8 10. Bb2 Bf8
1959 HUN Ch 15th – Round 12 – Forintos, Gyozo V – 1-0 – Koberl, Ferenc – G43 1. Nf3 Nf6 2. g3 d6 3. d4 c6 4. Bg2 Nbd7 5. c4 e5 6. Nc3 Be7 7. O-O O-O 8. e4 Qc7 9. h3 Re8 10. Be3 Nf8
1962 It IIb – Round 8 – Kramer, Haije – 1/2-1/2 – Smederevac, Petar – G16 1. c4 Nf6 2. Nc3 e5 3. g3 d6 4. Bg2 Be7 5. Nf3 c6 6. O-O Nbd7 7. e4 O-O 8. d4 Qc7 9. h3 Ne8 10. Be3 g6
1962 Mar del Plata Latin – Round ? – Garcia Rodriguez, Raimundo – 1-0 – Alvarez Espinoza, Crishopher Damian – G23 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 Be7 6. g3 O-O 7. Bg2 c6 8. O-O Qc7 9. Rb1 a5 10. h3 Rd8
1964 ARG Ch – Round 8 – Najdorf, Miguel – 1-0 – Luna, Julio – G34 1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 e5 5. e4 Be7 6. g3 O-O 7. Bg2 c6 8. O-O Qc7 9. b3 Re8 10. Bb2 Nf8
1964 Corr FS – Round 1 – Stoltze K – 0-1 – Schoenmann, Wilhelm – G7 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 Be7 6. g3 O-O 7. Bg2 c6 8. O-O Qc7 9. h3 b6 10. Be3 Bb7
1964 WchT U26 11. qual-F – Round 1.1 – Liptay, Laszlo Dr. – 1/2-1/2 – Stepak, Yedael – G1 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nf3 Be7 6. g3 O-O 7. Bg2 c6 8. O-O Qc7 9. b3 a6 10. a4 a5
1967 Szczecin ch POL – Round 5 – Gromek, Jozef – 0-1 – Filipowicz, Andrzej – G22 1. c4 Nf6 2. Nc3 e5 3. Nf3 d6 4. d4 Nbd7 5. g3 Be7 6. Bg2 O-O 7. O-O c6 8. e4 Qc7 9. h3 Re8 10. Be3 Bf8
1969 It – Round 12 – Vukic, Milan – 1-0 – Espig, Lutz – G10 1. d4 d6 2. Nf3 Nf6 3. c4 Nbd7 4. Nc3 e5 5. g3 Be7 6. Bg2 O-O 7. O-O c6 8. e4 Qc7 9. h3 a6 10. dxe5 dxe5
1969 WchT U26 fin-A 16th – Round 3.2 – Despotovic, Momcilo – 1/2-1/2 – Schoeneberg, Manfred – G20 1. d4 d6 2. Nf3 Nf6 3. c4 Nbd7 4. Nc3 e5 5. g3 Be7 6. Bg2 O-O 7. O-O c6 8. e4 Qc7 9. h3 a5 10. Be3 Re8
1972 Skopje ol (Men) fin-A – Round 2 – Kavalek, Lubomir – 1-0 – Hug, Werner – G124 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. g3 Be7 6. Bg2 O-O 7. O-O c6 8. e4 Qc7 9. b3 Re8 10. Bb2 Nf8

A55e —

1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4 Be7 6.g3 c6 7.Bg2 O-O 8.O-O Qc7

Les coups candidats

9.h3 — 66.1% (424 parties)

Ambassadeurs : Vadasz, Laszlo (2x), Bajec, Ivo (2x), Ugrinovic, Dragan (2x), Ricardi, Pablo (2x), Spraggett, Kevin (2x), Osnos, Viatcheslav (2x), Vorotnikov, Vladislav V (2x), OBrien, Erik Michael (2x)

9.b3 — 15.6% (100 parties)

Ambassadeurs : Manea, Alexandru (2x), Florescu, Codrut-Constantin (2x), Khasin, Abram (1x), Akhil Naik (1x), Marsalek, Jaromir (1x), Schoenmann, Wilhelm (1x), Liptay, Laszlo Dr. (1x), Stepak, Yedael (1x)

9.Re1 — 5.8% (37 parties)

Ambassadeurs : Facchetti, Gianni (2x), Skalik, Przemyslaw (1x), Orzechowski, Jacek (1x), Tibensky, Robert (1x), Hagara, Eduard (1x), Vernersson, Per (1x), Nilsson, Bengt (1x), Bison, Beniamino (1x)

9.Be3 — 3.0% (19 parties)

Ambassadeurs : Korchnoi, Viktor (2x), Shashin, Boris (2x), Slapikas, Vytautas (2x), Monostori, Lajos (1x), Vajda, Arpad (1x), Quinteros, Miguel A. (1x), Grefe, John A (1x), Andersson, Ulf (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.h3	9.b3	9.Re1	9.Be3
<1800	20	45%	10%	5%	5%
1800-2200	306	63%	18%	8%	1%
2200-2600	249	71%	13%	4%	5%

Évolution par décennie (% des parties)

Décennie	N parties	9.h3	9.b3	9.Re1	9.Be3
1950s	15	80%	13%	—	7%
1960s	20	70%	10%	—	10%
1970s	18	72%	22%	—	6%
1980s	25	52%	4%	4%	12%
1990s	119	61%	24%	6%	2%
2000s	174	61%	20%	7%	2%
2010s	213	71%	12%	4%	3%
2020s	57	72%	4%	14%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.h3	71%	72%	▲ +0.6%
9.b3	12%	4%	▼ -8.7%
9.Re1	4%	14%	▲ +9.8%
9.Be3	3%	0%	▼ -2.8%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie

Parties historiques

9.h3 — 66.1% (424 parties)

1953 — Bosch van Rosenthal, Edzard vs Castaldi, Vincenzo — 1-0 — Venice Venice ITA
1953 — Keller-Hermann, Edith vs Krause, Kurt — 1/2-1/2 — Jena GER
1954 — Calatayud, M. vs Svensson, Torgil — 1-0 — Buenos Aires ARG
1954 — Farestveit, Odd Eirik vs Bohatyrchuk, Fedir Parfenovych — 0-1 — Amsterdam olm
1956 — Dodero, Emilio vs Garcia Rodriguez, Ricardo — 1-0 — Santa Fe

9.b3 — 15.6% (100 parties)

1952 — Khasin, Abram vs Akhil Naik — 1-0 — Leningrad RUS
1958 — Marsalek, Jaromir vs Schoenmann, Wilhelm — 1-0 — cr.
1964 — Liptay, Laszlo Dr. vs Stepak, Yedael — 1/2-1/2 — Krakow POL
1964 — Miguel, Nahuel vs Luna, Julio — 1-0 — Buenos Aires ARG
1970 — Rukavina, Josip vs Koraksic, Ljubomir — 1-0 — Porec CRO

9.Re1 — 5.8% (37 parties)

1988 — Skalik, Przemyslaw vs Orzechowski, Jacek — 1/2-1/2 — Bielsko Biala
1995 — Herdin, Hans-Ulrich vs Fischer, Emil — 0-1 — Bayern RLNW
1996 — Leontiev, Aleksandr V. vs Aleksikov — 1-0 — Moscow RUS
1997 — Fuchs, Heinz vs von Kiedrowski, Klemens — 1/2-1/2 — Baunatal GER
1998 — Tibensky, Robert vs Hagara, Eduard — 1/2-1/2 — Slovakia

9.Be3 — 3.0% (19 parties)

1950 — Monostori, Lajos vs Vajda, Arpad — 1-0 — Budapest HUN
1965 — Korchnoi, Viktor vs Shashin, Boris — 1-0 — Yerevan URS
1965 — Korchnoi, Viktor vs Shashin, Boris — 1-0 — Erevan ARM
1975 — Quinteros, Miguel A. vs Grefe, John A — 1-0 — Cleveland, OH USA
1982 — Andersson, Ulf vs Goransson, Rolf — 1-0 — Simferopol UKR

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