D50j - 5…cxd4 - Dutch-Peruvian, Prins Variation (1949)

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D50j — Dutch-Peruvian, Prins Variation (1949)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 c5 5.cxd5 cxd4
Les coups candidats
6.Qxd4 — 81.5% (409 parties)
Ambassadeurs : Meister, Jakob (7x), Bisguier, Arthur B (5x), Prange Eckhard (5x), Prins, Lodewijk (4x), Wade, Robert G (4x), Cornelis, Frans B (4x), Levy, Louis (4x), Ginsburg, Gennadi (4x)
6.Qa4+ — 18.5% (93 parties)
Ambassadeurs : Wade, Robert G (4x), Peretz, Malkiel (2x), Wolf, Gerhard (2x), Gheorghiu, Florin (1x), Moore, Bobby (1x), Evans, Larry (1x), Prins, Lodewijk (1x), Ilinsky, Yury (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.Qxd4 6.Qa4+
<1800 26 92% 8%
1800-2200 138 80% 20%
2200-2600 166 75% 25%
Évolution par décennie (% des parties)
Décennie N parties 6.Qxd4 6.Qa4+
1950s 51 80% 20%
1960s 44 89% 11%
1970s 47 83% 17%
1980s 45 71% 29%
1990s 125 82% 18%
2000s 103 80% 20%
2010s 66 88% 12%
2020s 21 71% 29%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.Qxd4 88% 71% ▼ -16.5%
6.Qa4+ 12% 29% ▲ +16.5%
Parties historiques
6.Qxd4 — 81.5% (409 parties)
1950 — Trifunovic, Petar vs Prins, Lodewijk — 1/2-1/2 — Dubrovnik olm
1950 — Trott, Arthur Henry vs Wade, Robert G — 0-1 — Southsea
1950 — Bogoljubow, Efim vs Wade, Robert G — 1-0 — Southsea
1951 — Hooper, David vs Penrose, Jonathan — 1/2-1/2 — Swansea WLS
1951 — Donner, Jan-Hein vs Prins, Lodewijk — 1/2-1/2 — Bad Pyrmont GER
6.Qa4+ — 18.5% (93 parties)
1950 — Steiner, Herman vs Wade, Robert G — 1/2-1/2 — Venice ITA
1950 — Hooper, David vs Penrose, Jonathan — 0-1 — Buxton
1952 — Evans, Larry vs Prins, Lodewijk — 1/2-1/2 — Helsinki olm
1953 — Nikolac, Juraj vs Wade, Robert G — 1-0 — Opatija
1955 — Moore, Bobby vs Wade, Robert G — 0-1 — Aberystwyth ch-BCF