C70g - 4…Bb4 - Ruy Lopez: Morphy Defense, Alapin's Defense Deferred (1905)

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C70g — Ruy Lopez: Morphy Defense, Alapin's Defense Deferred (1905)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Bb4
Les coups candidats
5.c3 — 66.3% (55 parties)
Ambassadeurs : Babits, Andras (7x), Steiner, Herman (2x), Meleghegyi, Csaba (2x), Vecsey, Dr. Zoltan (2x), Evans, Larry (1x), Hadi, Adrian (1x), Sifton, It (1x), Peckar, Mark (1x)
5.O-O — 30.1% (25 parties)
Ambassadeurs : Babits, Andras (3x), Steiner, Herman (2x), Janata, Michael (1x), Nilsson, Nils S (1x), Burger, Robert (1x), Rankis, August (1x), Kaufman, Allen J (1x), Fuderer, Andrija (1x)
5.Bb3 — 1.2% (1 parties)
Ambassadeurs : Rubinetti, Jorge (1x), Roebuck, Ector (1x)
5.a3 — 1.2% (1 parties)
Ambassadeurs : Buhr, Thomas (1x), Calhoun, Frank H (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.c3 5.O-O 5.Bb3 5.a3
<1800 6 67% 33% — —
1800-2200 24 71% 29% — —
2200-2600 4 75% 25% — —
Évolution par décennie (% des parties)
Décennie N parties 5.c3 5.O-O 5.Bb3 5.a3
1950s 13 38% 54% — 8%
1960s 8 75% 12% 12% —
1970s 3 33% 67% — —
1980s 3 100% — — —
1990s 9 67% 22% — —
2000s 18 67% 33% — —
2010s 24 79% 21% — —
2020s 5 60% 40% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.c3 79% 60% ▼ -19.2%
5.O-O 21% 40% ▲ +19.2%
5.Bb3 0% 0% +0.0%
5.a3 0% 0% +0.0%
Parties historiques
5.c3 — 66.3% (55 parties)
1952 — Evans, Larry vs Steiner, Herman — 1/2-1/2 — USA
1953 — Bolbochan, Jacobo vs Steiner, Herman — 1/2-1/2 — Mar del Plata ARG
1955 — Drakert, William vs Kaufmann, Allan — 0-1 — New York, NY USA
1957 — Peckar, Mark vs Kaufman, Alan — 0-1 — New York, NY USA
1958 — Bogdanovic, Rajko vs Foldi, Jozsef — 1-0 — Varna BUL
5.O-O — 30.1% (25 parties)
1950 — Fuderer, Andrija vs Tartakower, Savielly — 1-0 — Bled SLO
1952 — Dake, Arthur William vs Steiner, Heinrich Jun. — 1/2-1/2 — Hollywood
1953 — Burger, Robert vs Steiner, Herman — 1/2-1/2 — Los Angeles, CA USA
1953 — Medina-Garcia, Antonio vs Steiner, Herman — 1/2-1/2 — Mar del Plata ARG
1954 — Fertesagy vs Vecsey, Z. — 1-0 — Budapest HUN
5.Bb3 — 1.2% (1 parties)
1968 — Rubinetti, Jorge vs Roebuck, Ector — 1-0 — Lugano SUI
5.a3 — 1.2% (1 parties)
1950 — Buhr, Thomas vs Calhoun, Frank H — 0-1 — Vancouver