C55g - 4.d3 Be7 5.O-O - Two Knights (1963)

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C55g — Two Knights (1963)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Be7 5.O-O
Les coups candidats
Ambassadeurs : Hebden, Mark L (76x), Nevednichy, Vladislav (44x), Yudasin, Leonid (28x), Bologan, Victor (27x), Inkiov, Ventzislav (26x), Degraeve, Jean-Marc (26x), Yandemirov, Valeri (25x), Kahl, Fred (23x)
5…d6 — 16.5% (2329 parties)
Ambassadeurs : Postny, Evgeny (8x), Szell, Lajos (6x), Velicka, Petr (6x), Cruz, Jonathan (6x), Klovans, Janis (5x), Bisguier, Arthur B (4x), Alghamdi, Ahmed M (4x), Halkias, Stelios (4x)
5…h6 — 0.4% (59 parties)
Ambassadeurs : Ranki, Martti (3x), Djurovic, Sasa (1x), Novak, Danijel (1x), Minnebo, Alain (1x), Rasmussen, Lars-Bo (1x), Kopera, Michal (1x), Netti, S. (1x), Kis, Ferenc (1x)
5…d5 — 0.4% (56 parties)
Ambassadeurs : Frias Apablaza, Victor (1x), Bernabe Monteagudo, Francesc (1x), Smith, Vivian J (1x), Warlick, Diane (1x), Kovchan, Alexander (1x), Dvoretskij, Alexey (1x), Kracik, Dobroslav (1x), Novak, Pavel (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…O-O 5…d6 5…h6 5…d5
<1800 855 77% 21% 1% 1%
1800-2200 4966 77% 21% 1% 0%
2200-2600 6745 88% 12% 0% 0%
2600+ 427 94% 6% — —
Évolution par décennie (% des parties)
Décennie N parties 5…O-O 5…d6 5…h6 5…d5
1950s 10 60% 40% — —
1960s 15 47% 53% — —
1970s 38 79% 21% — —
1980s 464 75% 24% 0% 0%
1990s 1775 81% 18% 1% 1%
2000s 3569 81% 18% 0% 0%
2010s 5475 83% 16% 0% 0%
2020s 2754 87% 13% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…O-O 83% 87% ▲ +3.4%
5…d6 16% 13% ▼ -3.1%
5…h6 0% 0% -0.1%
5…d5 0% 0% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Kasparov, Garry — 7 parties
Anand, Viswanathan — 5 parties
Gukesh D — 5 parties
Hou, Yifan — 3 parties
Karpov, Anatoly — 1 partie
Ding, Liren — 1 partie
Parties historiques
5…O-O — 82.5% (11636 parties)
1951 — Staudte, Hans-Hilmar vs Pfeiffer, Gerhard — 1/2-1/2 — Augsburg GER
1952 — Rossolimo, Nicolas vs Ortega, Rogelio — 1-0 — Havana CUB
1955 — Paoli, Enrico vs Grosek, Branko — 0-1 — Ljubljana
1956 — Money, W.T.. vs Burgess, R.E.. — 1-0 — Vancouver
1957 — Moran, Pablo vs Beltran Tassis, Alejandro — 1/2-1/2 — Zaragoza
5…d6 — 16.5% (2329 parties)
1951 — Kunze, Klaus vs Stahl, Franz — 1-0 — Leipzig GER
1957 — Gusev, Yuri S vs Fridstein, Grigory — 1-0 — Moscow RUS
1958 — Khaled, Mohsen vs Goncalves, Jorge — 0-1 — Munich GER
1958 — Pritchard, David Brine vs AGBOLO, Green Laureta — 0-1 — Leamington
1961 — Bakulin, Nikolac I vs Bisguier, Arthur B — 0-1 — Moskou ZShK
5…h6 — 0.4% (59 parties)
1988 — Djurovic, Sasa vs Novak, Danijel — 1-0 — Brezovica
1989 — Minnebo, Alain vs Rasmussen, Lars-Bo — 1-0 — Lugano open
1993 — Kopera, Michal vs Netti, S. — 1-0 — Bratislava SVK
1993 — Svendsen, Thomas Hjelkrem vs Avram, Ioan — 1-0 — Lenk op Lenk SUI
1995 — Nguyen, Thi Dung Than vs Tran T Thanh, Huong — 1/2-1/2 — Hanoi
5…d5 — 0.4% (56 parties)
1984 — Smith, Vivian J vs Warlick, Diane — 1-0 — Thessaloniki GRE
1989 — Frias Apablaza, Victor vs Bernabe Monteagudo, Francesc — 1-0 — ?
1990 — Juarez, Carlos Eleodoro vs Aguila, Gustavo — 0-1 — Buenos Aires ARG
1992 — Mueller, Chr vs Condor, Michael Razvan — 0-1 — GER
1995 — Sancho Cortes, Miguel Angel vs Loscos Villafranca, Jose Miguel — 1-0 — Zaragoza