Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3	● a6→b5
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (4v2)	● c4 (2v0), ● e4 (2v1)
Cases faibles	● f2	● g5
Centre	● d4 (4v2)	● e4 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bc2	● Bc2 Ok (mob. 3)
Bc5		● Bc5 Actif (mob. 9)
Bf5		● Bf5 Actif (mob. 6)
Paire de fous	● Oui	● Oui
Clouages	● pawn f2	—
Non développées	2 (● c1, ● a1)	1 (● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● c3-c4, ● e5-e6	● …d5-d4, ● …f7-f6

C82n — Spanish: Open, Baguio, 12.Nb3

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Bc5 10.Nbd2 O-O 11.Bc2 Bf5 12.Nb3 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Centraliser les pièces (Nfd4 dans 51 % des parties).

Atouts. Les Blancs s'appuient sur un contrôle dominant de d4 et la colonne semi-ouverte d.

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

Plans. Nfd4 (Cavalier centralisé en d4 — 51 % des parties) ; Nxc5 (Cavalier actif en c5 — 27 % des parties) ; h3 (Empêcher ...Bg4 — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Jeu au centre (rupture d5-d4).

Atouts. Les Noirs s'appuient sur un contrôle dominant de c4 et e4, des fous actifs en c5 et f5 et la colonne semi-ouverte e.

Plans. ...Bg6 (54 % des parties) ; ...Bg4 (Fou actif (mobilité 7) — 34 % des parties) ; ...Bb6 (Clouer f2, Fou actif (mobilité 6) — 8 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1927 Bremen – Round 4 – Brinckmann, Alfred – 1-0 – Krueger, Paul – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
1944 URS-ch13 – Round ? – Bronstein, David I – 0-1 – Flohr, Salo – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
1947 Mar del Plata – Round 16 – Euwe, Max – 1-0 – Eliskases, Erich – G140 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
1952 POL-ch10 – Round 1 – Szymanski, Aleksander – 1-0 – Szukszta, Janus – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
1952 URS Ch sf – Round ? – Byvshev, Vasily – 1-0 – Kondratiev, Pavel E – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
1963 Europe Team Ch qual – Round 2.11 – Unzicker, Wolfgang – 1-0 – Beni, Alfred – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
1964 Moscow Ch – Round ? – Zaitsev, Igor A – 1/2-1/2 – Bebchuk, Evgeni – G87 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
1966 Santa Monica – Round 6 – Fischer, Raphael – 0-1 – Larsen, Benjamin Holsko – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
1967 Hastings6768 – Round 8 – Hartston, William R – 1/2-1/2 – Kaplan, Julio – G39 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
1967 It II Beverwijk NED – Round 10 – Scholl, Eddie C – 1-0 – Medina-Garcia, Antonio – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
1967 Venice – Round 4 – Robatsch, Karl – 1-0 – Zinser, Sylvain – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
1968 Corr – Round ? – Johansson, Martin 1979 – 1-0 – Hultquist Per Anders Torsten – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
1968 Lugano ol (Men) fin-D – Round 7 – Constantinou, Agathoclis – 1/2-1/2 – Boutteville, Cesar – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
1968 Lugano ol (Men) qual-B – Round 1 – Reshevsky, Samuel – 1-0 – Boutteville, Cesar – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
1969 Moskou ch-URS – Round 1 – Tukmakov, Vladimir B – 0-1 – Savon, Vladimir – G159 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
1971 Moscow – Round 17 – Karpov, Anatoly – 1-0 – Savon, Vladimir Andreevichndreevich – G180 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
1975 URS Team Ch – Round 2 – Katalymov, Boris – 1/2-1/2 – Tukmakov, Vladimir B – G418 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
Bugojno 1984 – Round ? – Ljubojevic, Ljubomir – 1/2-1/2 – Timman, Jan H – G69 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
Karpov - Korchnoi World Championship Match 1978 – Round 14 – Karpov, Anatoly – 1-0 – Korchnoi, Viktor – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
KRO-tweekamp 1987 – Round 6 – Ljubojevic, Ljubomir – 0-1 – Timman, Jan H – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Bc2 O-O
Melody Amber, Rapidplay, Monaco 1995 – Round 2 – Polgar, Judit – 1/2-1/2 – Anand, Viswanathan – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
Moskou 1981 – Round 1 – Timman, Jan H – 1-0 – Geller, Efim P – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
Niksic 1983 – Round 1 – Ljubojevic, Ljubomir – 1/2-1/2 – Tal, Mikhail – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
Tilburg 1988 – Round ? – Short, Nigel D – 1/2-1/2 – Timman, Jan H – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
World Blitz 2021 – Round 7.47 – Pichot, Alan – 1-0 – Bologan, Victor – G420 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
World Championship 29th 1978 – Round 2 – Karpov, Anatoly – 1/2-1/2 – Korchnoi, Viktor – G1 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
World Championship 29th 1978 – Round 4 – Karpov, Anatoly – 1/2-1/2 – Korchnoi, Viktor – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
World Championship 30th 1981 – Round 6 – Karpov, Anatoly – 0-1 – Korchnoi, Viktor – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O
World Cup 1988 – Round ? – Short, Nigel D – 1-0 – Jussupow, Artur – G89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O

C82n — Open, Baguio (1927)

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Bc5 10.Nbd2 O-O 11.Bc2 Bf5 12.Nb3

Les coups candidats

12…Bg6 — 64.1% (415 parties)

Ambassadeurs : Timman, Jan H (12x), Korchnoi, Viktor (9x), Jussupow, Artur (8x), Heiermann, Ludger (7x), Ernst, Thomas (6x), Ljubojevic, Ljubomir (5x), Short, Nigel D (4x), Korneev, Oleg (4x)

12…Bg4 — 19.8% (128 parties)

Ambassadeurs : Karpov, Anatoly (6x), Beliavsky, Alexander G (4x), Timoscenko, Gennadij (4x), Kaminskij, Sergej (4x), Semeniuk, Alexander A (3x), Ellinger, Peter (3x), Balogh, Janos (2x), Boutteville, Cesar (2x)

12…Bb6 — 9.7% (63 parties)

Ambassadeurs : Tringov, Georgi P (1x), Bobotsov, Milko G (1x), Tukmakov, Vladimir B (1x), Savon, Vladimir (1x), Roca Cruz, Rafael (1x), Ibora, Rivera (1x), Truong, H. Paul (1x), Gisler, Maurice (1x)

12…Bxf2+ — 4.6% (30 parties)

Ambassadeurs : Murey, Jacob (6x), Seirawan, Yasser (2x), Oren, Itamar (2x), Piket, Jeroen (2x), Mascarenhas, Alberto Pinheiro (2x), Arnason, Jon L (1x), Arnason, Aevar (1x), Ali, Zak (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12…Bg6	12…Bg4	12…Bb6	12…Bxf2+
<1800	22	64%	14%	23%	—
1800-2200	175	64%	16%	13%	4%
2200-2600	211	68%	13%	11%	7%
2600+	33	79%	18%	—	3%

Évolution par décennie (% des parties)

Décennie	N parties	12…Bg6	12…Bg4	12…Bb6	12…Bxf2+
1950s	5	—	80%	20%	—
1960s	19	11%	84%	5%	—
1970s	42	7%	83%	10%	—
1980s	159	72%	16%	6%	5%
1990s	174	74%	10%	8%	6%
2000s	97	59%	14%	15%	8%
2010s	121	74%	12%	9%	2%
2020s	30	73%	3%	23%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12…Bg6	74%	73%	-0.2%
12…Bg4	12%	3%	▼ -8.2%
12…Bb6	9%	23%	▲ +14.2%
12…Bxf2+	2%	0%	▼ -2.5%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 10 parties
Tal, Mikhail — 2 parties
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

12…Bg6 — 64.1% (415 parties)

1960 — Schneider, Klaus vs Illgen, Hans — 1/2-1/2 — Detmold
1964 — Zaitsev, Igor A vs Bebchuk, Evgeni — 1/2-1/2 — Moscow RUS
1971 — Karpov, Anatoly vs Savon, Vladimir — 1-0 — Moscow RUS
1975 — Georgsson, Harvey vs Pioch, Thomas — 0-1 — ?
1979 — Ivanov, Alexander vs Jussupow, Artur — 1/2-1/2 — Frunze KGZ

12…Bg4 — 19.8% (128 parties)

1952 — Szymanski, Aleksander vs Szukszta, Janus — 1-0 — Katowice POL
1952 — Byvshev, Vasily vs Efimov, Kondrat — 1-0 — Leningrad RUS
1959 — Endzelins, Lucius vs Balogh, Janos — 1/2-1/2 — ICCF
1959 — Salm, Maxwell vs Balogh, Janos — 1-0 — 3rd CC World Ch Final 5962
1963 — Unzicker, Ferdinand, Dr. vs Beni, Alfred — 1-0 — Bad Pyrmont GER

12…Bb6 — 9.7% (63 parties)

1955 — Tringov, Georgi P vs Bobotsov, Milko G — 1/2-1/2 — Bulgaria ch
1969 — Tukmakov, Vladimir B vs Savon, Vladimir — 0-1 — Moskou ch-URS
1971 — Chapman, Terry P D vs Aranda, Berenger — 0-1 — London ENG
1973 — Rubinetti, Jorge vs Palermo, Vicente — 1/2-1/2 — Buenos Aires ARG
1973 — Kostro, Jerzy vs Pioch, Zygmunt — 1-0 — POL-ch Gdynia POL

12…Bxf2+ — 4.6% (30 parties)

1980 — Gruenfeld, Yehuda vs Murey, Jacob — 1/2-1/2 — Beer Sheba ISR
1982 — Arnason, Jon L vs Murey, Jacob — 0-1 — Brighton ENG
1982 — Arnason, Aevar vs Murey, Jacob — 0-1 — Brighton ENG
1984 — Morovic Fernandez, Ivan vs Murey, Jacob — 1-0 — Thessaloniki GRE
1989 — Seirawan, Yasser vs Ali, Zak — 0-1 — Lugano op

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