D50f - 4…c5 5.e3 - QGD: Dutch-Peruvian (1949)

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D50f — Dutch-Peruvian
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 c5 5.e3
Les coups candidats
5…cxd4 — 75.9% (192 parties)
Ambassadeurs : Inkiov, Ventzislav (6x), Hocevar, Nikola (6x), Fairhurst, William (3x), Letzelter, Jean-Claude (3x), Bowen, Alfred William (2x), Terpugov, Evgeny (2x), Pafnutieff, Vladimir (2x), Pomar Salamanca, Arturo (2x)
5…Nc6 — 11.5% (29 parties)
Ambassadeurs : Alderete Ureta, Lucia (1x), Batista Grau, Ricardo (1x), Frey Beckman, Kenneth (1x), Burgess, Ammar (1x), Hruska, Tomas (1x), Suchanek, Ladislav (1x), Boudelet, Georges (1x), Riddell, John (1x)
5…Be7 — 5.1% (13 parties)
Ambassadeurs : Assem, Magdy (1x), Pupols, Viktors (1x), de Wall, Robert (1x), Jaden Armand Zachary, Delgado (1x), Ratkovsky, Stanislav (1x), Lalkova, Natalia (1x), Gamboa Jimenez, Federico (1x), Villa Olvera, Victor Manuel (1x)
5…Qb6 — 2.8% (7 parties)
Ambassadeurs : Czerniak, Moshe (1x), Lasker, Edward (1x), Balcerowski, Witold (1x), Zinn, Lothar (1x), Vyzantiadis, Lazaros (1x), Myagmarsuren, Lkhamsuren (1x), Kuszko, Juliusz (1x), Schinzel, Wladyslaw (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…cxd4 5…Nc6 5…Be7 5…Qb6
<1800 5 20% 20% 60% —
1800-2200 72 83% 11% 1% 1%
2200-2600 47 91% 6% 2% —
2600+ 2 50% — 50% —
Évolution par décennie (% des parties)
Décennie N parties 5…cxd4 5…Nc6 5…Be7 5…Qb6
1900s 2 — 50% — —
1920s 1 — 100% — —
1940s 2 50% — — 50%
1950s 21 100% — — —
1960s 28 79% 7% — 11%
1970s 16 75% 6% 6% 6%
1980s 12 92% — 8% —
1990s 64 75% 14% 2% 3%
2000s 62 77% 13% 5% —
2010s 39 64% 15% 15% —
2020s 6 67% 17% 17% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…cxd4 64% 67% ▲ +2.6%
5…Nc6 15% 17% ▲ +1.3%
5…Be7 15% 17% ▲ +1.3%
5…Qb6 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Parties historiques
5…cxd4 — 75.9% (192 parties)
1949 — Fairhurst, William vs Barden, Leonard — 1-0 — Felixstowe
1950 — Aabel Thomas Eapen vs Penrose, Justin — 0-1 — Southsea
1950 — Koberl, Ferenc vs Kottnauer, Cenek — 1/2-1/2 — Schiavno Zdroj
1950 — Newman, Richard Hilary vs Bowen, Alfred William — 1/2-1/2 — Buxton
1950 — Fairhurst, William vs Bowen, Alfred William — 1/2-1/2 — Buxton
5…Nc6 — 11.5% (29 parties)
1907 — Frey Beckman, Kenneth vs Burgess, Ammar — 0-1 — New York, NY USA
1928 — Alderete Ureta, Lucia vs Batista Grau, Ricardo — 0-1 — Mar del Plata ARG
1962 — Boudelet, Georges vs Riddell, John — 0-1 — Brussels BEL
1965 — Hruska, Tomas vs Suchanek, Ladislav — 1/2-1/2 — CSR-ch Army Prague CZE
1975 — Wall, Bill vs Zachary, Joe — 1-0 — ?
5…Be7 — 5.1% (13 parties)
1975 — de Wall, Robert vs Jaden Armand Zachary, Delgado — 1-0 — Taylorsville,NC
1987 — Assem, Magdy vs Pupols, Viktors — 1/2-1/2 — Seattle, WA USA
1999 — Ratkovsky, Stanislav vs Lalkova, Natalia — 1-0 — Moscow RUS
2001 — Gamboa Jimenez, Federico vs Villa Olvera, Victor Manuel — 1-0 — ?
2003 — Pirker Krassnig, Reinhold vs Wukits, Josef — 1/2-1/2 — Vienna AUT
5…Qb6 — 2.8% (7 parties)
1949 — Czerniak, Moshe vs Lasker, Edward — 1-0 — Mar del Plata ARG
1964 — Balcerowski, Witold vs Zinn, Lothar — 1-0 — Polancia Zdroj
1965 — Kuszko, Juliusz vs Schinzel, Wladyslaw — 1-0 — Poznan POL
1966 — Vyzantiadis, Lazaros vs Myagmarsuren, Lkhamsuren — 0-1 — La Habana olm fin-C
1970 — James, David J vs Chesters, Graham — 0-1 — Swansea ch-WLS