C83j — Spanish: Open, Classical, 10.Nbd2 O-O 11.Bc2 f5 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 Be7 10.Nbd2 O-O 11.Bc2 f5 12.Nb3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte d4.

Atouts. Les Blancs s'appuient sur la case forte d4, la paire de fous, la colonne semi-ouverte d et un pion passé en e5.

Côté adverse. Un mauvais fou en e6.

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

Plans. Be3 (Développer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte c4….

Atouts. Les Noirs s'appuient sur les cases fortes c4, e4 et c5, un fou actif en e7, la paire de fous et la colonne semi-ouverte e.

Côté adverse. Le fou enfermé en c1.

Plans. ...d4 (Rupture) ; ...f4 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3	● a6→b5
Passés	● e5	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (4v1)	● c4 (2v0), ● e4 (2v1), ● c5 (2v1)
Cases faibles	—	● g5
Centre	● d4 (4v1)	● d5 (2v1), ● 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)
Be6		● Be6 Mauvais (mob. 3)
Be7		● Be7 Actif (mob. 7)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	1 (● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c3-c4	● …d5-d4, ● …f5-f4

Partie
1902 DSB-13.Kongress Hauptturnier A – Round 19 – Cohn, Erich – 0-1 – Neumann, Augustin – G53 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
1920 Amsterdam – Round 1 – Weenink, Henri – 0-1 – Euwe, Max – G6 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 Be7 10. Nbd2 O-O
1920 Simul, 25b – Round ? – Lasker, Emanuel – 1/2-1/2 – H G Reeders – G6 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 Be7 10. Nbd2 O-O
1920 Stockholm/Gothenburg m – Round 5 – Bogoljubow, Efim – 1/2-1/2 – Rubinstein, Akiba – G6 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 Be7 10. Nbd2 O-O
1923 Karlsbad – Round ? – Chajes, Oscar – 0-1 – Tarrasch, Siegbert – G153 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 Be7 10. Nbd2 O-O
1923 Karlsbad – Round 1 – Chajes, Oscar – 0-1 – Bellod Thomas, Gonzalo – G82 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 Be7 10. Nbd2 O-O
1938 Krakow – Round ? – Ropstorff – 0-1 – Pytlakowski, Andrzej – G13 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 Be7 10. Nbd2 O-O
1940 URS-sf – Round 1 – Rauzer, Vsevolod – 0-1 – Zhukhovitsky, Samuel – G68 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 Be7 10. Nbd2 O-O
1954 URS Ch sf – Round 5 – Boleslavsky, Isaac – 1/2-1/2 – Zagorovsky, Vladimir – 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 Be7 10. Nbd2 O-O
1957 Leningrad Ch – Round 18 – Bykov, Vladimir – 1/2-1/2 – Ravinsky, Grigory – G136 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 Be7 10. Nbd2 O-O
1966 Santa Monica – Round 14 – Fischer, Raphael – 1/2-1/2 – Unzicker, Wolfgang – G61 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 Be7 10. Bc2 O-O
1966 Santa Monica – Round 14 – Fischer, Robert J – 1/2-1/2 – Unzicker, Wolfgang – G60 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 Be7 10. Bc2 O-O
1968 Lugano ol (Men) – Round ? – Spassky, Boris Vasily – 1/2-1/2 – Unzicker, Wolfgang – G94 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 Be7 10. Nbd2 O-O
1968 Skopje/Ohrid – Round 3 – Geller, Efim P – 1/2-1/2 – Savon, Vladimir – 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 Be7 10. Nbd2 O-O
36. Olympiad 2004 – Round 11 – Sutovsky, Emil – 1/2-1/2 – Mamedyarov, Shakhriyar – G400 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. Nbd2 Be7 10. c3 O-O
43. Olympiad 2018 – Round 10.9 – Navara, David – 1/2-1/2 – Anton Guijarro, David – G692 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. Nbd2 Be7 10. c3 O-O
43. Olympiad 2018 – Round 6.6 – Vitiugov, Nikita – 1/2-1/2 – Vidit, Santosh Gujrathi – G416 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. Nbd2 Be7 10. c3 O-O
80. Tata Steel GpA 2018 – Round 12.4 – Anand, Viswanathan – 1/2-1/2 – So, Wesley – G70 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. Nbd2 Be7 10. c3 O-O
Corus A 2006 – Round 11 – Karjakin, Sergey – 1-0 – Sokolov, Ivan. – G70 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. Nbd2 Be7 10. c3 O-O
Corus A 2007 – Round 12 – Karjakin, Sergey – 1/2-1/2 – Carlsen, Magnus – G78 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. Nbd2 Be7 10. c3 O-O
FIDE World Cup 2017 – Round 3.1 – Caruana, Fabiano – 1/2-1/2 – Najer, Evgeniy – G325 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. Nbd2 Be7 10. c3 O-O
Moscow FIDE Grand Prix 2019 – Round 1.2 – Svidler, Peter – 1-0 – Vitiugov, Nikita – 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. Nbd2 Be7 10. c3 O-O
Novi Sad olm 1990 – Round 12 – Nunn, John D M – 1-0 – Wedberg, Tom – G86 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. Nbd2 Be7 10. c3 O-O
Renova FIDE GP Zug 2013 – Round 1.6 – Leko, Peter – 1/2-1/2 – Kamsky, Gata – G6 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. Nbd2 Be7 10. c3 O-O
Riga Interzonal 1979 – Round 8 – Gruenfeld, Yehuda – 1/2-1/2 – Tal, Mikhail – 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 Be7 10. Nbd2 O-O
Tata Steel India Blitz 2018 – Round 1.2 – So, Wesley – 1/2-1/2 – Anand, Viswanathan – 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. Nbd2 Be7 10. c3 O-O
Tata Steel India Blitz 2018 – Round 8.1 – Harikrishna, Pentala – 1/2-1/2 – Anand, Viswanathan – G36 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. Nbd2 Be7 10. c3 O-O
Turin ol (Men) 37th 2006 – Round 8 – Almasi, Zoltan – 1/2-1/2 – Vallejo Pons, Francisco – G111 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. Nbd2 Be7 10. c3 O-O
USA Ch 2022 – Round 7.7 – Shankland, Sam – 1/2-1/2 – Sevian, Samuel – G48 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. Nbd2 Be7 10. c3 O-O
USA Ch 2022 – Round 9.2 – Dominguez Perez, Leinier – 1/2-1/2 – Sevian, Samuel – G57 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 Be7 10. Nbd2 O-O
World Blitz 2017 – Round 12.17 – Leko, Peter – 1-0 – Vidit, Santosh Gujrathi – G610 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. Nbd2 Be7 10. c3 O-O
World Blitz 2021 – Round 15.11 – Grischuk, Alexander – 1/2-1/2 – Oparin, Grigoriy – G864 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 Be7 10. Bc2 O-O
World Rapid 2021 – Round 3.27 – Niemann, Hans Moke – 1/2-1/2 – Matlakov, Maxim – G152 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 Be7 10. Nbd2 O-O

C83j — Open Classical

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 Be7 10.Nbd2 O-O 11.Bc2 f5 12.Nb3

Eval: [+0.40]

Les coups candidats

12…Qd7 — 98.0% (590 parties)

Ambassadeurs : Thomae, Eberhard (12x), Szulc, Stanislaw (9x), Roques, Pascal (8x), Demarre, Jacques (7x), Unzicker, Wolfgang (7x), Ferre Pérez, Alberto (7x), Ernst, Sipke (6x), Karjakin, Sergey (6x)

12…Qe8 — 0.7% (4 parties)

Ambassadeurs : Toshev, Yury (1x), Gligoric, Svetozar (1x), Dutschko, Westphal Siegfried (1x), Kohn, Willibald (1x), Prandstetter, Eduard (1x), Vanecek, Jiri (1x), Lazarus, Ben (1x), Pettersen, Joar Gullestad (1x)

12…Nc5 — 0.3% (2 parties)

Ambassadeurs : Eastman, George (1x), Whitfield, Kenneth (1x), Stieg, Hans-Juergen (1x), Ekenlov Lars (1x)

12…f4 — 0.3% (2 parties)

Ambassadeurs : Spitz, Patrick (1x), Elyakim, Daniel (1x), Padovani, Florian (1x), Madeleine Jean (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12…Qd7	12…Qe8	12…Nc5	12…f4
<1800	16	100%	—	—	—
1800-2200	159	99%	1%	—	—
2200-2600	236	99%	—	—	0%
2600+	60	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	12…Qd7	12…Qe8	12…Nc5	12…f4
1910s	1	100%	—	—	—
1920s	9	78%	—	11%	—
1930s	3	100%	—	—	—
1940s	3	67%	33%	—	—
1950s	5	100%	—	—	—
1960s	8	100%	—	—	—
1970s	18	100%	—	—	—
1980s	46	96%	—	2%	—
1990s	55	93%	4%	—	4%
2000s	150	99%	1%	—	—
2010s	216	99%	—	—	—
2020s	88	100%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12…Qd7	99%	100%	▲ +0.9%
12…Qe8	0%	0%	+0.0%
12…Nc5	0%	0%	+0.0%
12…f4	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 5 parties
Carlsen, Magnus — 3 parties
Euwe, Max — 2 parties
Hou, Yifan — 2 parties
Lasker, Emanuel — 1 partie
Tal, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Karpov, Anatoly — 1 partie

Parties historiques

12…Qd7 — 98.0% (590 parties)

1919 — Pedzich, Dominik vs Flamberg, Alexander — 1-0 — Warsaw POL
1920 — Lasker, Emanuel vs H G Reeders — 1/2-1/2 — Amsterdam NED
1920 — Bogoljubow, Efim vs Rubinstein, Akiba — 1/2-1/2 — Stockholm / Goteburg m
1920 — Weenink, Henri vs Euwe, Max — 0-1 — Amsterdam NED
1923 — Chajes, Oscar vs Tarrasch, Siegbert — 0-1 — Carlsbad CZE

12…Qe8 — 0.7% (4 parties)

1945 — Toshev, Yury vs Gligoric, Svetozar — 1/2-1/2 — Sofia BUL
1990 — Dutschko, Westphal Siegfried vs Kohn, Willibald — 1/2-1/2 — ?
1992 — Prandstetter, Eduard vs Vanecek, Jiri — 1-0 — Pardubice CZE
2008 — Lazarus, Ben vs Pettersen, Joar Gullestad — 1/2-1/2 — Gibraltar ENG

12…Nc5 — 0.3% (2 parties)

1926 — Eastman, George vs Whitfield, Kenneth — 1-0 — Montreal CAN
1987 — Stieg, Hans-Juergen vs Ekenlov Lars — 1-0 — corr DDR

12…f4 — 0.3% (2 parties)

1996 — Padovani, Florian vs Madeleine Jean — 1-0 — ?
1999 — Spitz, Patrick vs Elyakim, Daniel — 1/2-1/2 — ?