E72a - 5…* - Normal Variation, Deferred Fianchetto (1936)

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E72a —
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.g3
Les coups candidats
Ambassadeurs : Gawronski, Miroslaw (12x), Petran, Peter (12x), Aigmueller, Max Ing (10x), Holfelder, Hans-Joachim (9x), Boehme, Erich (9x), Mulder van Leens Dijkstra, Kornelis (7x), Iliesco, Juan (6x), Moura, Paulo Jorge Alves B. (6x)
5…c5 — 3.7% (45 parties)
Ambassadeurs : Reshevsky, Samuel (3x), Gligorić, Svetozar (2x), Gligoric, Svetozar (2x), Ledakov, Alexandr (2x), Eliskases, Erich (1x), Penna, Antonio (1x), Gregory Juma Mwangi (1x), Griffiths, Peter C (1x)
5…Nbd7 — 2.9% (35 parties)
Ambassadeurs : Winter, William (2x), Wood, Gabriel (2x), Heemsoth, Hermann (2x), Von Bardeleben, Curt (1x), Riemann, Fritz (1x), Thomas Andrew (1x), Wood, Gabriel Jacquin (1x), Trifunovic, Petar (1x)
5…e5 — 1.9% (23 parties)
Ambassadeurs : Steiner, Herman (2x), Lopez Masis, Kenard Evans (1x), Barden, Leonard (1x), Schmid, Lothar (1x), Szabo, Ladislav (1x), Flohr, Salo (1x), Evans, Larry (1x), Lilienthal, Andor (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…O-O 5…c5 5…Nbd7 5…e5
<1800 48 92% — 2% —
1800-2200 388 93% 2% 1% 1%
2200-2600 218 86% 9% 1% 1%
Évolution par décennie (% des parties)
Décennie N parties 5…O-O 5…c5 5…Nbd7 5…e5
1880s 1 — — 100% —
1920s 11 91% — 9% —
1930s 28 71% — 11% 4%
1940s 62 76% 2% 11% 6%
1950s 101 88% 1% 3% 7%
1960s 53 85% 6% 4% 2%
1970s 63 87% 10% — —
1980s 46 93% 2% 4% —
1990s 265 89% 5% 1% 2%
2000s 317 86% 5% 3% 1%
2010s 240 92% 2% 2% 0%
2020s 34 91% — — 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…O-O 92% 91% ▼ -0.9%
5…c5 2% 0% ▼ -2.5%
5…Nbd7 2% 0% ▼ -1.7%
5…e5 0% 3% ▲ +2.5%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 4 parties
Euwe, Max — 1 partie
Parties historiques
5…O-O — 87.7% (1071 parties)
1922 — Reti, Richard vs Yates, Frederic D — 1-0 — Hastings Town Hall
1924 — Straat, Evert vs De Haas, Ephraim — 1/2-1/2 — Amsterdam NED
1925 — Levenfish, Grigory vs Romanovsky, Pjotr — 1-0 — Leningrad RUS
1925 — Gilg, Karl vs Urbach, Isaak — 1-0 — Breslau GER
1925 — Straat, Evert vs De Brie, Gerardus — 1-0 — NED
5…c5 — 3.7% (45 parties)
1941 — Eliskases, Erich vs Penna, Antonio — 1-0 — Brazil
1958 — Decreton Keller, Henrique vs Gereben, Erno — 0-1 — Lugano SUI
1960 — Pomar Salamanca, Arturo vs Gligorić, Svetozar — 1/2-1/2 — Madrid ESP
1962 — Gregory Juma Mwangi vs Griffiths, Peter C — 1/2-1/2 — ?
1969 — Wiedemann, Franz vs Schulze, Ulrich — 1/2-1/2 — Hamburg GER
5…Nbd7 — 2.9% (35 parties)
1883 — Von Bardeleben, Curt vs Riemann, Fritz — 1/2-1/2 — Nuerenberg GER
1923 — Euwe, Max vs Spaans, Bart — 1-0 — Amsterdam NED
1936 — Winter, William vs Parr, Frank — 1-0 — Bournemouth
1939 — Landau, Salo vs Flohr, Salo — 1-0 — Amsterdam NED
1939 — O'Hanlon, John vs Molina Moller, Brando Felipe — 0-1 — Buenos Aires ol pr-C
5…e5 — 1.9% (23 parties)
1939 — Szabo, Ladislav vs Flohr, Salo — 1/2-1/2 — Amsterdam NED
1948 — Lopez Masis, Kenard Evans vs Steiner, Herman — 0-1 — New York, NY USA
1948 — Barden, Leonard vs Schmid, Lothar — 0-1 — corr BdF
1948 — Evans, Larry vs Steiner, Herman — 0-1 — South Fallsburg ch-U
1949 — Lilienthal, Andor vs Aronin, Lev — 1/2-1/2 — Moskou ch-URS