Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● b5 (2v0), ● d5 (2v1) ● d4 (2v0)
Cases faibles
Centre ● d5 (2v1) ● d4 (2v0), ● e5 (1v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 0)
Ba4 ● Ba4 Actif (mob. 4)
Bc8 ● Bc8 Non développé (mob. 0)
Bf8 ● Bf8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Clouages ● pawn d7
Non développées 3 (● c1, ● a1, ● h1) 4 (● c8, ● f8, ● a8, ● h8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Au centre ● Au centre
Droits de roque O-O / O-O-O O-O / O-O-O
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre fermé
Ruptures ● d2-d4 ● …d7-d5

C48n — Four Knights: Rubinstein, 5.Ba4 Nxf3+

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Ba4 Nxf3+ *   ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bB
bQ
bK
bB
bR
bP
bP
bP
bPPion sous pression
bP
bP
bP
bN
Case forte (2v0)
Case forte (2v1)
bP
wBFou actif — mobilité 4
wPPion central
wN
bNknight en prise !
wP
wP
wP
wP
wP
wP
wP
wR
wB
wQ
wK
wR
abcdefgh
Plans. Qxf3 (Centraliser la dame, Prépare O-O-O — 96 % des parties) ; gxf3 (Capture en f3 — 4 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wK
wQ
wB
wR
wP
wP
wP
wP
wP
wP
wP
bNknight en prise !
wN
wP
Case forte (2v0)
wB
bP
bN
bP
bP
bP
bPPion sous pression
bP
bP
bP
bR
bBFou actif — mobilité 5
bK
bQ
bB
bR
hgfedcba
Plans. ...c6 (Renforcer le centre — 59 % des parties) ; ...Bc5 (Fou actif (mobilité 9), Développer f8 — 26 % des parties) ; ...Be7 (Fou actif (mobilité 5), Développer f8 — 15 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1906 Ostende – Round ? – Janowski, Dawid – 0-1 – Schlechter, Carl – G45
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 Bb4 7. d3 O-O 8. O-O c6 9. Bg5 Be7 10. h3 d6
1906 Ostende – Round 1 – Janowski, Dawid – 0-1 – Schlechter, Carl – G35
1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 Bb4 7. d3 O-O 8. O-O c6 9. Bg5 Be7 10. h3 d6
1912 San Sebastian – Round 5 – Nimzowitsch, Aron – 0-1 – Perlis, Julius – G12
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 Be7 7. Qg3 O-O 8. Qxe5 Re8 9. Qf4 Bb4 10. f3 b5
1932 Bad Sliac – Round 1 – Maroczy, Geza – 1/2-1/2 – Rohacek, Ivan – G71
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 c6 7. d3 d6 8. O-O Be7 9. h3 h6 10. Bb3 Be6
1949 Moscow Ch – Round 1 – Steinsapir, Yury – 1-0 – Ravinsky, Grigory – G37
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 c6 7. O-O d6 8. h3 Be7 9. d3 O-O 10. Qe2 Be6
1949 Moscow RUS – Round 1 – Ravinsky, Grigory – 0-1 – Simagin, Vladimir – G25
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 c6 7. d3 d6 8. Bg5 Be7 9. O-O O-O 10. Qe2 Nxe4
1949 URS Ch, semi final – Round 14 – Kasparian, Genrikh – 0-1 – Solmanis, Zigfrids – G102
1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 c6 7. d3 g6 8. Bb3 Bg7 9. Bg5 d6 10. h3 Be6
1950 Mar del Plata – Round 9 – Michel, Pascal – 1/2-1/2 – Bolbochan, J. – G75
1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 Bc5 7. d3 O-O 8. O-O d6 9. Bg5 c6 10. Bb3 h6
1953 Bucharest – Round 13 – Radulescu, Mihai – 1/2-1/2 – Stoltz, Gösta – G128
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 Be7 7. d3 O-O 8. O-O d6 9. h3 Be6 10. Bb3 Qd7
1958 YUG Ch 13th – Round 13 – Lukic, Arsenije – 1/2-1/2 – Karaklajic, Nikola – G72
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Nd4 5. Ba4 Nxf3+ 6. Qxf3 c6 7. O-O d6 8. d3 Be7 9. Bb3 O-O 10. h3 Be6
1959 URS Team Ch – Round 1 – Goglidze, Viktor – 0-1 – Klovans, Janis – G88
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 Be7 7. d3 O-O 8. O-O d6 9. h3 c6 10. Bb3 Be6
1960 Baltic Nations – Round 5 – Mikenas, Vladas – 1/2-1/2 – Borisenko, Georgy K – G11
1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 c6 7. d3 Bc5 8. Bb3 d6 9. h3 Be6 10. Bd2 b5
1960 Leningrad Baltic Nat – Round 5 – Mikenas, Vladas – 1/2-1/2 – Borisenko, Georgy K – G8
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 c6 7. d3 Bc5 8. Bb3 d6 9. h3 Be6 10. Bd2 b5
1960 Madrid zt – Round 11 – Pachman, Ludek – 1/2-1/2 – Gligorić, Svetozar – G83
1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 c6 7. O-O d6 8. d3 Be6 9. Qe2 Nd7 10. Bb3 Nc5
1960 Varna Varna BUL – Round 12 – Milev, Zdravko – 1/2-1/2 – Trifunovic, Petar – G48
1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 Bc5 7. d3 O-O 8. Bg5 c6 9. Bb3 Be7 10. h3 d6
1966 Palma de Mallorca – Round 15 – Pfleger, Helmut, Dr. – 1/2-1/2 – Trifunovic, Petar – G91
1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 c6 7. d3 d6 8. h3 Be7 9. Bg5 h6 10. Bxf6 Bxf6
1969 URS Team Ch Grozny – Round 1 – Bagirov, Vladimir – 1-0 – Nikitin, Aleksander S – G11
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 Be7 7. Qg3 O-O 8. Qxe5 c6 9. O-O Ng4 10. Qg3 d5
Dortmund 1992 – Round 1 – Anand, Viswanathan – 1/2-1/2 – Ivanchuk, Vasyl – G8
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 c6 7. d3 d6 8. Bb3 Be7 9. Qe2 O-O 10. f4 Bg4
Dortmund 1992 – Round 5 – Kamsky, Gata – 1/2-1/2 – Adams, Michael – G27
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 c6 7. d3 d6 8. O-O Be7 9. Nd5 Nd7 10. Nxe7 Qxe7
Linares 1992 – Round 2 – Short, Nigel D – 0-1 – Beliavsky, Alexander G – G11
1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 Bc5 7. d3 c6 8. Bb3 d6 9. O-O h6 10. Be3 Bb6
Linares 1994 – Round 6 – Shirov, Alexei – 1-0 – Ivanchuk, Vasyl – G7
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Nxf3+ 6. Qxf3 Bb4 7. Ne2 O-O 8. c3 Ba5 9. h3 d5 10. d3 Bd7

C48n — Rubinstein (1906)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Ba4 Nxf3+
Les coups candidats
6.Qxf3 — 93.4% (453 parties)
Ambassadeurs : Istratescu, Andrei (7x), Maros, Milan (7x), Borisenko, Georgy K (3x), Ganguly, Surya Shekhar (3x), Mikenas, Vladas (2x), Trifunovic, Petar (2x), Nun, Josef (2x), Najjar, Ahmad (2x)
6.gxf3 — 6.6% (32 parties)
Ambassadeurs : Willow, Jonah B (2x), Hungaski, Robert (2x), Canal, Esteban (1x), Nievergelt, Erwin (1x), Dubinin, Peter (1x), Maseev Leon Iosifovich (1x), Nikolenko, Oleg (1x), Solozhenkin, Evgeniy (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.Qxf3 6.gxf3
<1800 23 100%
1800-2200 179 96% 4%
2200-2600 188 93% 7%
2600+ 9 89% 11%
Évolution par décennie (% des parties)
Décennie N parties 6.Qxf3 6.gxf3
1950s 7 86% 14%
1960s 13 92% 8%
1970s 13 100%
1980s 13 100%
1990s 130 91% 9%
2000s 138 96% 4%
2010s 144 96% 4%
2020s 27 74% 26%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.Qxf3 96% 74% ▼ -21.8%
6.gxf3 4% 26% ▲ +21.8%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 1 partie
Parties historiques
6.Qxf3 — 93.4% (453 parties)
1950 — Michel, Clement Paul vs Bolbochan, Julio — 1/2-1/2 — Mar del Plata ARG
1953 — Radulescu, Mihai vs Stoltz, Gösta — 1/2-1/2 — Bucharest ROU
1956 — Kasparian, Genrikh vs Buslaev, Aleksander — 1-0 — Erevan ARM
1958 — Lukic, Arsenije vs Aadhitha Karikalan — 1/2-1/2 — Sarajevo BIH
1959 — Goglidze, Viktor vs Klovans, Janis — 0-1 — Moscow RUS
6.gxf3 — 6.6% (32 parties)
1952 — Canal, Esteban vs Nievergelt, Erwin — 1-0 — Zuerich Zurich SUI
1960 — Dubinin, Peter vs Maseev Leon Iosifovich — 1-0 — ?
1992 — Nikolenko, Oleg vs Solozhenkin, Evgeniy — 1-0 — RUS-chT Podolsk
1992 — Nunn, John D M vs Cooper, Lawrence H — 1-0 — Walsall
1993 — Da Silveira, Rene M vs Da Silva, Silverio P — 0-1 — ?

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