C70i - 4…Bc5 - Ruy Lopez: Morphy Defense, Classical Defense Deferred

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C70i — Ruy Lopez: Morphy Defense, Classical Defense Deferred
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Bc5
Les coups candidats
5.O-O — 53.6% (2019 parties)
Ambassadeurs : Marcotulli, Giancarlo (16x), Baer Werner (12x), Bak, Karol (8x), Thieme, Joerg (8x), Sahl, Bjarke (7x), Grimm, Wolfgang, Dr. (7x), Nakamura, Hikaru (7x), Breitenstein, Erich (6x)
5.c3 — 39.9% (1505 parties)
Ambassadeurs : Nikolov, Nikolay Petrov (14x), Marcotulli, Giancarlo (11x), Ivanisevic, Ivan (10x), Nakamura, Hikaru (10x), Burmeister, Ferdinand (9x), Koneru, Humpy (9x), Maltsevskaya, Aleksandra (8x), Praggnanandhaa R (7x)
5.d3 — 2.9% (110 parties)
Ambassadeurs : Vnucec, Marina (2x), Larsen, Bent Ravn (1x), Lopez, Lupe (1x), Koenner, Martin (1x), Gueroff, Eduard (1x), Westerinen, Heikki M.J. (1x), Kristiansen, Erling (1x), Cuadrado Jaime (1x)
5.Nc3 — 1.7% (65 parties)
Ambassadeurs : Ries, David (2x), Wall, Bill (1x), Wall, Steven (1x), Sepulveda, Maria (1x), Chepte Dilip (1x), Evans, Kyle (1x), Bryant, Barry (1x), Verch, Marco (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.O-O 5.c3 5.d3 5.Nc3
<1800 481 60% 31% 5% 2%
1800-2200 1283 55% 39% 3% 1%
2200-2600 1023 47% 48% 2% 2%
2600+ 90 23% 76% — 1%
Évolution par décennie (% des parties)
Décennie N parties 5.O-O 5.c3 5.d3 5.Nc3
1950s 18 61% 39% — —
1960s 38 47% 47% 3% —
1970s 49 53% 39% 2% 2%
1980s 55 56% 42% 2% —
1990s 459 55% 37% 3% 2%
2000s 1032 61% 32% 3% 2%
2010s 748 59% 34% 3% 1%
2020s 1370 44% 50% 3% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.O-O 59% 44% ▼ -15.0%
5.c3 34% 50% ▲ +15.9%
5.d3 3% 3% ▼ -0.8%
5.Nc3 1% 2% ▲ +1.0%
Joueurs célèbres
Champions du monde dans cette position
Gukesh D — 5 parties
Carlsen, Magnus — 4 parties
Kasparov, Garry — 2 parties
Hou, Yifan — 2 parties
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
5.O-O — 53.6% (2019 parties)
1950 — Pilnik, Herman vs Pinzon Solis, Felipe — 1-0 — Olympiad Dubrovnik YUG
1951 — Abiolla James vs Prins, Lodewijk — 1-0 — Bad Pyrmont GER
1951 — Lemos, Jorge Joao vs Siqueira, Alexandre Carneiro — 1-0 — Fortaleza BRA
1952 — Pedersen, Eigil vs Kupferstich, Moises — 1-0 — Herning
1957 — Zacharias, Joao vs Eidelman, Mauricio — 0-1 — Sao Paulo BRA
5.c3 — 39.9% (1505 parties)
1950 — Cafferty, Bernard vs Aclam, G. — 1-0 — Blackburn
1951 — Cordaro, J vs Aviles, O. — 0-1 — Santiago de Chile
1953 — Gilg, Karl vs Eisinger, Max Jr — 1-0 — Berlin West
1955 — Alster, Ladislav vs Al Husari, Zita Fatima — 1/2-1/2 — Prague CZE
1956 — Rapaka Samuel Paul vs Schulz, Fred — 1/2-1/2 — Victoria
5.d3 — 2.9% (110 parties)
1967 — Larsen, Bent Ravn vs Lopez, Lupe — 0-1 — Hayward Chess Festival,
1974 — Westerinen, Heikki M.J. vs Kristiansen, Erling — 1-0 — Oslo NOR
1986 — Koenner, Martin vs Gueroff, Eduard — 0-1 — Wuppertal II
1991 — Meter, M. vs Gilgenbach, Klaus-Dieter — 1/2-1/2 — corr Tch-GER
1991 — Hadzic Jasmina vs Drozd , Alexandr — 1-0 — ?
5.Nc3 — 1.7% (65 parties)
1970 — Wall, Bill vs Wall, Steven — 1-0 — North Augusta,SC
1994 — Sepulveda, Maria vs Chepte Dilip — 1-0 — Moscow RUS
1994 — Guzman, Enrique vs Aguilar Flores, Julio Alexis — 1-0 — Santiago ARAIS tt
1996 — Verch, Marco vs Weber, Adrian — 1-0 — Jugendvereinsturnier
1997 — Evans, Kyle vs Bryant, Barry — 0-1 — IECC