Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, g2→h3, c3→d4	● a6→b5, d6→e5, c7→d6, g7→h6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● e4 (3v1)	● e5 (3v2)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bc2	● Bc2 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 6)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	3 (● c8, ● f8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c3-c4	● …d6-d5

C93j — Spanish: Closed, Smyslov, 12.Bc2

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 h6 10.d4 Re8 11.Nbd2 Bf8 12.Bc2 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. a3 (Préparer expansion aile dame — 27 % des parties) ; Nf1 (24 % des parties) ; d5 (Occuper le centre — 16 % des parties) ; a4 (13 % des parties) ; dxe5 (Capture en e5, Occuper le centre — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bb7 (Développer c8 — 56 % des parties) ; ...Bd7 (Fou actif (mobilité 5), Développer c8 — 37 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1962 Erevan ch-URS – Round 1 – Savon, Vladimir – 1/2-1/2 – Krogius, Nikolai V – G129 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Be7 7. c3 O-O 8. h3 b5 9. Bb3 h6 10. d4 Re8
1962 Varna olm – Round 5 – Keres, Paul Petrovich – 1-0 – Blatny, Frantisek – G239 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1964 Hoogovens Beverwijk NED – Round 1 – Keres, Paul Petrovich – 1-0 – Filip, Miroslav – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1964 Rubinstein Memorial – Round 14 – Parma, Bruno – 1/2-1/2 – Schmidt, Waldemar – G64 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1964 URS – Round ? – Skuja Roberts – 0-1 – Zaitsev, Alexander – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1965 Asztalos Memorial 8th – Round 9 – Haag, Ervin – 1/2-1/2 – Kluger, Gyula – G59 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1965 Hamburg etc – Round 1 – Ciric, Dimitrije – 0-1 – Dely, Peter – G38 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1965 HUN Ch 21th – Round ? – Haag, Ervin – 1/2-1/2 – Barczay, Laszlo – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1965 It – Round 9 – Dely, Peter – 1/2-1/2 – Sokolov, Vladimir – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1965 Stevenson Memorial 13th – Round 9 – Littlewood, Norman – 0-1 – O'Kelly de Galway, Alberic – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1966 Havana CUB – Round 5 – Johansson, Martin 1979 – 1-0 – Boutteville, Cesar – G41 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1967 Vrnjacka Banja zt – Round 1 – Jansa, Vlastimil – 1-0 – Bilyap, Siracettin – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1968 Kislovodsk – Round 6 – Shamkovich, Leonid – 1/2-1/2 – Geller, Efim P – G56 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1968 Manila – Round 8 – Balinas, Rosendo C – 1/2-1/2 – Gligorić, Svetozar – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1968 Olympiad Lugano SUI – Round 1 – Cuijpers, Frans Andre – 1/2-1/2 – Kraidman, Yair – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1968 URS Team Ch – Round 1 – Stein, Leonid – 1/2-1/2 – Geller, Efim P – G151 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1969 Liberation – Round 4 – Tringov, Georgi P – 1/2-1/2 – Hecht, Hans-Joachim – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1969 Ljubljana – Round 1 – Byrne, Ray – 1-0 – Stupica, Janez – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1969 Ljubljana – Round 1 – Parma, Bruno – 1/2-1/2 – Gligorić, Svetozar – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1969 Moskou ch-URS – Round 1 – Stein, Leon Rico – 1/2-1/2 – Geller, Efim P – G167 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Re8 10. d4 h6
1969 Tbilisi – Round 1 – Shamkovich, Leonid – 1/2-1/2 – Kostro, Jerzy – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
43. Olympiad 2018 – Round 11.6 – Adams, Michael – 1-0 – Jumabayev, Rinat – G754 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 d6 7. c3 O-O 8. Re1 Re8 9. h3 h6 10. d4 b5
Saint Louis Blitz 2021 – Round 10.4 – Caruana, Fabiano – 1-0 – Svidler, Peter – G47 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 d6 7. c3 O-O 8. Re1 Re8 9. Nbd2 Bf8 10. h3 h6
World Rapid Final 2012 – Round 13 – Morozevich, Alexander – 1/2-1/2 – Tkachiev, Vladislav – G101 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 d6 7. c3 O-O 8. Re1 Re8 9. Nbd2 Bf8 10. h3 h6

C93j — Closed, Smyslov (1962)

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 h6 10.d4 Re8 11.Nbd2 Bf8 12.Bc2

Les coups candidats

12…Bb7 — 57.7% (221 parties)

Ambassadeurs : Azarov, Sergei (3x), Zaitsev, Alexander (2x), Gligoric, Sofija (2x), Ostermeyer, Peter, Dr. (2x), Shamkovich, Leonid (2x), Kratochvíl, Jan (2x), Brioschi, Camillo (2x), Flecher, Joseph (2x)

12…Bd7 — 30.0% (115 parties)

Ambassadeurs : Geller, Efim P. (5x), Haag, Ervin (3x), Stein, Leonid (2x), Ivanov, Igor V. (2x), Sanakoev, Grigory (2x), Shamkovich, Leonid (1x), Bednarski, Jacek (1x), Kostro, Jerzy (1x)

12…g6 — 6.3% (24 parties)

Ambassadeurs : Xie, Jun (3x), Balashov, Yuri (3x), Piccoli, Fabio Bidart (2x), Sanakoev, Grigory (1x), Jansen, Casey (1x), Ye, Jiangchuan (1x), Djuric, Stefan (1x), Galliamova, Alisa (1x)

12…exd4 — 1.8% (7 parties)

Ambassadeurs : Johannsen, Ingbert (1x), Gruber, Albert (1x), Radovic, Goran (1x), Mitrovic, Goran (1x), Grandelius, Nils (1x), Jahncke, Giso (1x), Perez Ponsa, Federico (1x), Abdulla Hesham Alkhoori (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12…Bb7	12…Bd7	12…g6	12…exd4
<1800	18	67%	17%	—	—
1800-2200	98	64%	22%	5%	3%
2200-2600	157	49%	36%	11%	3%
2600+	14	86%	14%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	12…Bb7	12…Bd7	12…g6	12…exd4
1960s	40	50%	42%	2%	—
1970s	35	63%	34%	—	—
1980s	45	49%	44%	2%	—
1990s	58	48%	40%	10%	—
2000s	77	51%	26%	14%	3%
2010s	90	71%	19%	2%	3%
2020s	38	68%	16%	8%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12…Bb7	71%	68%	▼ -2.7%
12…Bd7	19%	16%	▼ -3.1%
12…g6	2%	8%	▲ +5.7%
12…exd4	3%	5%	▲ +1.9%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 1 partie

Parties historiques

12…Bb7 — 57.7% (221 parties)

1961 — Ajanski, Jordan S vs Filchev, Rusko — 0-1 — Sofia BUL
1962 — Savon, Vladimir vs Krogius, Nikolai V — 1/2-1/2 — Erevan ch-URS
1963 — Filep, Tibor vs Portisch, Lajos — 1/2-1/2 — Budapest HUN
1963 — Bogunovic, Dragan vs Sanakoev, Grigory Konstant'ch — 0-1 — USSR ch-06 6364
1963 — Zaitsev, Alexander vs Sanakoev, Grigory Konstan'ch — 1-0 — 06 ch USSR 6364

12…Bd7 — 30.0% (115 parties)

1962 — Bannik, Anatolij vs Zilber, Israel — 1/2-1/2 — Leningrad RUS
1962 — Keres, Paul Petrovich vs Blatny, Frantisek — 1-0 — Varna BUL
1964 — Parma, Bruno vs Schmidt, Wlodzimierz — 1/2-1/2 — Polanica Zdroj POL
1965 — Dely, Peter vs Sokolov, Vladimir — 1/2-1/2 — Belgrade SRB
1965 — Haag, Ervin vs Polgar, Istvan — 1/2-1/2 — Budapest HUN

12…g6 — 6.3% (24 parties)

1968 — Sanakoev, Grigory vs Jansen, Casey — 1-0 — corr Wch6
1984 — Ye, Jiangchuan vs Djuric, Stefan — 1/2-1/2 — Subotica SRB
1990 — Timoscenko, Gennadij vs Balashov, Yuri — 0-1 — Podolsk RUS
1990 — Timoshenko, Georgy vs Balashov, Yuri — 0-1 — Podolsk tt
1990 — Sion Castro, Marcelino vs Perez, Johnny Jose — 1-0 — Novi Sad SRB

12…exd4 — 1.8% (7 parties)

2002 — Johannsen, Ingbert vs Gruber, Albert — 1-0 — Sparow (13.09.-21.09)
2009 — Radovic, Goran vs Mitrovic, Goran — 1/2-1/2 — Belgrade SRB
2016 — Grandelius, Nils vs Jahncke, Giso — 1/2-1/2 — Denmark
2018 — Perez Ponsa, Federico vs Abdulla Hesham Alkhoori — 0-1 — Batumi GEO
2018 — Pourramezanali, Amirreza vs Sindarov, Javokhir — 1-0 — Hamedan IRI

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