C84b — Spanish: Closed, 6.Nc3

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Nc3 *   ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bBFou enfermé — mobilité 0
bQ
bKRoi au centre — vulnérable
bR
bP
bP
bP
bB
bP
bP
bP
bP
bN
bN
Case forte (2v1)
bPPion sous pression
wB
wPPion central
wN
wN
wP
wP
wP
wP
wP
wP
wP
wR
wB
wQ
wR
wK
abcdefgh
Atouts. Les Blancs s'appuient sur la case forte d5 et la paire de fous.

Côté adverse. Le fou enfermé en c8 et le roi resté au centre.

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

Plans. d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4) ; c3 (Préparer d4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wQ
wBFou enfermé — mobilité 0
wR
wP
wP
wP
wP
wP
wP
wP
wN
wN
wP
Case forte (2v1)
Case forte (2v0)
wB
bP
bN
bN
bP
bP
bP
bP
bBFou actif — mobilité 5
bP
bP
bP
bR
bK
bQ
bB
bR
hgfedcba
Atouts. Les Noirs s'appuient sur les cases fortes b4 et d4, un fou actif en e7 et la paire de fous.

Côté adverse. Le fou enfermé en c1.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le fou c8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Bg4 (Clouer Nf3) ; ...d5 (Rupture).
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● b7→a6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● d5 (2v1) ● b4 (2v0), ● d4 (2v1)
Cases faibles
Centre ● d5 (2v1) ● d4 (2v1)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 0)
Ba4 ● Ba4 Ok (mob. 3)
Be7 ● Be7 Actif (mob. 5)
Bc8 ● Bc8 Non développé (mob. 0)
Paire de fous ● Oui ● Oui
Non développées 2 (c1, a1) 3 (c8, a8, h8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Roqué ● Au centre !
Droits de roque O-O / O-O-O
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre fermé
Ruptures ● d2-d3 ● …d7-d6, ● …d7-d5
Partie
1900 Paris – Round ? – Lasker, Emanuel – 1/2-1/2 – Chigorin, Mikhail – G111
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. d4 Nd7 8. Nd5 Nxd4 9. Nxd4 exd4 10. Qxd4 O-O
1900 Paris – Round 1 – Lasker, Emanuel – 1/2-1/2 – Chigorin, Nikolay – G17
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. d4 Nd7 8. Nd5 exd4 9. Nxd4 Nxd4 10. Qxd4 O-O
1900 Paris – Round 1 – Maroczy, Geza – 1/2-1/2 – Chigorin, M. – G18
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. d4 b5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qxd8+ Bxd8
1902 It (Men) Monte Carlo MNC – Round 1 – Napier, William – 1-0 – Tartakower, Savielly – G8
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. d3 Bg4 8. Be3 Qd7 9. Nd5 b5 10. Bb3 O-O
1902 It (Men) Vienna AUT – Round 3 – Kostic, Boris – 1/2-1/2 – Forgacs, Leo – G5
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. d3 Bg4 8. Be3 O-O 9. Ne2 Nh5 10. Nd2 Bg5
1902 Monte Carlo Monte Carlo MNC – Round ? – Marco, Georg – 0-1 – Janowski, Dawid – G28
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. h3 Qc8
1903 It (Men) Monte Carlo MNC – Round 19 – Spielmann, Rudolf – 1-0 – Marco, Georg – G89
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. d3 O-O 8. h3 h6 9. Re1 Bd7 10. Ne2 b5
1903 It (Men) Monte Carlo MNC – Round 2 – Wolf, Hans-Josef – 0-1 – D Marco, Gianni – G12
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nde2 O-O
1903 It (Men) Monte Carlo MNC – Round 3 – Marco, Georg – 1/2-1/2 – Rubinstein, Akiba – G16
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. d4 exd4 8. Nxd4 Bd7 9. Nxc6 Bxc6 10. Bxc6+ bxc6
1903 Monte Carlo – Round 14 – Mason, Jack – 0-1 – D Marco, Gianni – G26
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. h3 O-O
1904 DSB-14.Kongress – Round 4 – Bernstein, Ossip – 1/2-1/2 – D Marco, Gianni – G20
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. b3 c5
1904 DSB-14.Kongress – Round 8 – John, Walter – 0-1 – D Marco, Gianni – G39
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. d3 b5 8. Bb3 Bg4 9. Be3 O-O 10. h3 Bh5
1905 Barmen-B – Round ? – Reggio, Arturo – 1-0 – Post, Erhard – G25
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. f4 O-O
1906 Stockholm – Round 1 – Suechting, Hugo – 1-0 – Pettersson, AH. – G4
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. b3 O-O
1907 Berlin Jubilee – Round 6 – Cohn, Erich – 0-1 – Leonhardt, Paul – G28
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Be7 6. O-O d6 7. d3 b5 8. Bb3 Na5 9. Ne2 O-O 10. Ng3 Kh8
1907 Berlin Jubilee – Round 8 – Cohn, Erich – 0-1 – Post, Erhard – G35
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. d3 O-O 8. Ne2 b5 9. Bb3 Na5 10. Ng3 Ne8
1909 Gothenburg-A – Round ? – Důras, Oldřich – 1-0 – Sjoberg, Victor – G8
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 Nd7 9. dxe5 Nxe5 10. Nxe5 dxe5
1910 Hamburg Hauptturnier-A – Round 1 – Nyholm, Gustav – 0-1 – Hromadka, Karel – G9
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Be7 6. O-O O-O 7. d3 b5 8. Bb3 d6 9. h3 Na5 10. Ne2 c5
1911 Match Cologne GER – Round 10 – Breyer, Gyula – 1-0 – Blackburne, Joseph – G10
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. d4 Bd7 8. Bxc6 Bxc6 9. Qd3 exd4 10. Nxd4 O-O
1912 DSB-18.Kongress – Round 3 – Tarrasch, Siegbert – 1/2-1/2 – Barasz, Zsigmond – G20
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. d4 exd4 8. Nxd4 Bd7 9. Bxc6 bxc6 10. b3 O-O
1912 DSB-18.Kongress – Round 5 – Tarrasch, Siegbert – 1-0 – Breyer, Gyula – G38
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. d4 exd4 8. Nxd4 Bd7 9. Nxc6 bxc6 10. Qd3 O-O
1912 It (Men) San Sebastian ESP – Round 20 – Spielmann, Rudolf – 1/2-1/2 – Rubinstein, Akiba – G43
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. d4 Bd7 8. Bxc6 Bxc6 9. Qd3 exd4 10. Nxd4 Bd7
1919 NLD tour sim – Round ? – Réti, Richard – 1-0 – De Haas, Efraim – G9
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Be7 6. O-O d6 7. d4 b5 8. dxe5 dxe5 9. Qxd8+ Bxd8 10. Bb3 Bg4
1921 BCF Ch 14th – Round 4 – Thomas, George Alan – 0-1 – Wainwright snr, George Edward – G5
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. d3 O-O 8. h3 Nd7 9. Be3 f5 10. exf5 Rxf5
1923 Hastings2324 – Round 8 – Euwe, Max – 1-0 – Yates, Frederic D – G34
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. d4 exd4 8. Nxd4 Bd7 9. Bxc6 bxc6 10. Qd3 O-O
1923 Scheveningen – Round 6 – Norman Hansen, Holger – 1/2-1/2 – Weenink, Henri – G62
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Be7 6. O-O d6 7. d4 b5 8. dxe5 dxe5 9. Qxd8+ Nxd8 10. Bb3 Bd6
1925 Leningrad ch-URS – Round 1 – Bogoljubow, Efim – 1/2-1/2 – Sergeev Veselinov, Alexander – G1
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Bf4 O-O
1926 Ghent – Round 5 – Yates, Frederic D – 1-0 – Thomas, George Alan – G16
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Qxd4 O-O 10. Bg5 h6
1927 London olm – Round 1 – Norman Hansen, Holger – 1-0 – Monticelli D Elias, Maria Lucia – G15
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Be7 6. O-O d6 7. d4 b5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qxd8+ Bxd8
1937 Stockholm ol – Round 9 – Thomas, George Alan – 0-1 – Aitken, James – G51
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Be7 6. O-O d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Qf3 c5
1949 CAN Ch Arvida – Round 1 – Bohatyrchuk, Fedir Parfenovych – 0-1 – Fox, Maurice – G1
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 Nd7 9. Be3 O-O 10. Ne2 Bf6
1950 Candidats Tournament – Round 13 – Keres, Paul – 1/2-1/2 – Smyslov, Vladimir – G57
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 Nd7 9. dxe5 dxe5 10. Be3 Bd6
1953 Hastings Premier 1952/53 28th – Round 5 – Penrose, Jonathan – 1-0 – Blau, Max – G14
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 Nd7 9. dxe5 dxe5 10. Be3 O-O
1956 Candidats Tournament – Round 15 – Keres, Paul – 1/2-1/2 – Smyslov, Vladimir – G72
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 Nd7 9. dxe5 dxe5 10. Na4 O-O
1956 Danmarksmesterskabet – Round 3 – Enevoldsen, Jens – 1/2-1/2 – Ingerslev, Aage – G7
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Nd5 O-O 8. Nxe7+ Qxe7 9. d3 b5 10. Bb3 Na5
1956 Moscow olm fin-A – Round 4 – Balanel, Ion – 0-1 – Filip, Marius Liviu – G60
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 Nd7 9. dxe5 dxe5 10. Ne2 O-O
1957 URS-JUG – Round 4 – Keres, Paul – 1-0 – Udovcic, Mijo – G18
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 Nd7 9. dxe5 dxe5 10. Na4 O-O
1957 Warchau ch POL – Round 3 – Witkowski, Stefan – 1/2-1/2 – Solecki, Zbigniew – G18
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Be7 6. O-O d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Qf3 O-O
1958 Sarajevo Sarajevo BIH – Round 1 – Smailbegovic, Hasan – 1/2-1/2 – Puc, Stojan – G35
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 Nd7 9. dxe5 dxe5 10. Na4 O-O
1959 CSR Ch – Round 9 – Fichtl, Jiri – 1-0 – Kupka, Slavoj – G73
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 c5 10. Nc6 Qd7
1960 URU Ch – Round ? – Silva Nazzari, Roberto – 1-0 – Ostiante, C. – G24
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 Bg4 9. dxe5 Bxf3 10. Qxf3 dxe5
1961 Katowice ch18-POL – Round 11 – Klaput, Edward – 0-1 – Tarnowski, Alfred – G71
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 Nd7 9. dxe5 dxe5 10. Na4 f6
1963 URS Ch sf – Round ? – Nei, Iivo – 1-0 – Novopashin, Arkady – G13
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 Nd7 9. dxe5 dxe5 10. Be3 f6
1966 Hoogovens 28th – Round 14 – Cuijpers, Frans Andre – 1/2-1/2 – Szabo, Laszlo – G41
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 Nd7 9. b3 Bf6 10. Bb2 c5
1966 La Habana olm fin-C – Round 13 – Suer, Nevzat – 0-1 – Alvarez del Monte, Jose – G89
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. d4 exd4 8. Nxd4 Bd7 9. Nxc6 Bxc6 10. Bb3 O-O
1967 Venice Venice ITA – Round 3 – Kupper, Josef – 1/2-1/2 – Robatsch, Karl – G12
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 Nd7 9. dxe5 dxe5 10. Na4 a5
1968 URS Team Ch – Round 1 – Keres, Paul Petrovich – 1/2-1/2 – Mosionzhik, Ilya – G145
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Qf3 O-O
World Blitz 2022 – Round 14.42 – Kovalev, Vladislav – 1-0 – Amin, Bassem – G757
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Be7 6. O-O d6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Qf3 O-O
C84b — Closed
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Nc3
Eval: [-0.04]
Les coups candidats
Ambassadeurs : Alekhine, Alexander (18x), Baer Werner (13x), Janowski, Dawid (11x), Spielmann, Rudolf (11x), Teichmann, Richard (11x), Keres, Paul Petrovich (11x), Hjorth, Jesper (11x), Euwe, Max (10x)
6…d6 — 12.3% (178 parties)
Ambassadeurs : Baird, David (5x), Janowski, Dawid (5x), Tarrasch, Siegbert (5x), D Marco, Gianni (5x), Capablanca, Jose (5x), Schlechter, Carl (4x), Mieses, Jacques (4x), Maroczy, Geza (4x)
6…O-O — 3.7% (54 parties)
Ambassadeurs : Lindholm, Sonja (2x), Räisänen, Timo (2x), Congdon, J. (1x), Perrin, Fleur (1x), Nyholm, Gustav (1x), Hromadka, Karel (1x), Archibald, John Gordon (1x), Hough, William (1x)
6…Nd4 — 0.1% (1 parties)
Ambassadeurs : de Wall, Robert (1x), Latell, John (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…b5 6…d6 6…O-O 6…Nd4
<1800 61 89% 8% 3%
1800-2200 381 89% 8% 3%
2200-2600 248 96% 3% 1%
2600+ 26 92% 8%
Évolution par décennie (% des parties)
Décennie N parties 6…b5 6…d6 6…O-O 6…Nd4
1850s 2 50% 50%
1860s 7 100%
1870s 9 56% 33% 11%
1880s 6 33% 67%
1890s 29 31% 69%
1900s 113 72% 27% 2%
1910s 43 74% 23% 2%
1920s 66 85% 15%
1930s 13 77% 23%
1940s 31 81% 19%
1950s 61 80% 20%
1960s 75 81% 17% 1%
1970s 27 93% 7%
1980s 26 85% 12% 4%
1990s 89 81% 7% 12%
2000s 267 82% 8% 9%
2010s 477 91% 6% 3%
2020s 111 95% 4% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…b5 91% 95% ▲ +4.3%
6…d6 6% 4% ▼ -2.5%
6…O-O 3% 1% ▼ -1.6%
6…Nd4 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 10 parties
Euwe, Max — 10 parties
Lasker, Emanuel — 8 parties
Carlsen, Magnus — 4 parties
Smyslov, Vladimir — 2 parties
Parties historiques
6…b5 — 83.9% (1218 parties)
1859 — Journoud, Paul C vs Arnous de Riviere, Jules — 0-1 — Paris m2 Paris FRA
1861 — Kolisch, Ignac vs Anderssen, Adolf — 1-0 — London ENG
1864 — Neumann, Gernot vs Paulsen, Laurids — 1/2-1/2 — Leipzig GER
1864 — Neumann, Gernot vs Paulsen, Laurids — 0-1 — Leipzig GER
1864 — Neumann, Gustav vs Paulsen, Louis — 1-0 — GER
6…d6 — 12.3% (178 parties)
1859 — Morphy, Paul vs Cattley — 1-0 — London ENG
1874 — Judd, Max vs Bock, Frederic — 1/2-1/2 — Chicago, IL USA
1876 — Gunston, William H vs Oswald, John — 1-0 — West End CC
1877 — Schallopp, Emil vs Paulsen, Wilfried — 1-0 — Leipzig GER
1888 — Riemann, Fritz vs Mieses, Jacques — 0-1 — Leipzig GER
6…O-O — 3.7% (54 parties)
1874 — Congdon, J. vs Perrin, Fleur — 1-0 — Chicago, IL USA
1904 — Brown, Bertram Goulding vs Roome, Henry Delacombe — 1/2-1/2 — St Georges CC
1906 — Archibald, John Gordon vs Hough, William — 1-0 — St Georges CC
1910 — Nyholm, Gustav vs Hromadka, Karel — 0-1 — Hamburg GER
1968 — Eichhorn, Ernst vs McGrillen, Hugh — 1/2-1/2 — Ybbs
6…Nd4 — 0.1% (1 parties)
1985 — de Wall, Robert vs Latell, John — 1-0 — Palo Alto,CA

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