A56i - 3.d5 d6 - Hromádka System (1924)

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A56i — Hromádka System (1924)
1.d4 Nf6 2.c4 c5 3.d5 d6
Les coups candidats
4.Nc3 — 97.2% (7277 parties)
Ambassadeurs : Gheorghiu, Florin (63x), Ghitescu, Theodor (44x), Gdanski, Jacek (43x), Matulovic, Milan (34x), Suetin, Alexey S (33x), Marin, Mihail (29x), ? (26x), Donner, Jan-Hein (20x)
4.Nf3 — 1.4% (104 parties)
Ambassadeurs : Ree, Hans (2x), Lengyel, Levente (2x), Janosevic, Dragoljub (2x), Whiteley, Andrew Jonathan (2x), Drasko, Milan (2x), Gaprindashvili, Nona (1x), Teters, Arthur (1x), Shewchyk, Yaroslav (1x)
4.g3 — 0.6% (46 parties)
Ambassadeurs : Vukic, Milan (2x), Ciric, Dragoljub M (2x), Gheorghiu, Florin (2x), Nassimbwa Rosette (1x), Rebizzo, Cayetano (1x), Vistaneckis, Isakas (1x), Kholmov, Ratmir D (1x), Rajkovic, Dusan (1x)
4.Qc2 — 0.3% (21 parties)
Ambassadeurs : Watts, Theo (1x), Haggai Mawejje Israel (1x), Blackburn, John (1x), Kolnik, Moss (1x), Zweers, T. (1x), Van der Sluijs, Lothar (1x), Johnson (1x), Colias, Billy (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.Nc3 4.Nf3 4.g3 4.Qc2
<1800 547 95% 2% 1% 0%
1800-2200 2742 97% 2% 0% 0%
2200-2600 2510 98% 1% 1% 0%
2600+ 22 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 4.Nc3 4.Nf3 4.g3 4.Qc2
1950s 131 94% 2% 3% 2%
1960s 422 96% 2% 2% —
1970s 484 98% 1% 1% —
1980s 664 97% 1% 1% 0%
1990s 1578 98% 1% 0% 0%
2000s 1972 97% 2% 0% 0%
2010s 1824 96% 2% 1% 0%
2020s 415 96% 2% 0% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.Nc3 96% 96% ▼ -0.8%
4.Nf3 2% 2% +0.4%
4.g3 1% 0% -0.4%
4.Qc2 0% 1% ▲ +0.6%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 4 parties
Botvinnik, Mikhail — 3 parties
Anand, Viswanathan — 2 parties
Karpov, Anatoly — 2 parties
Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
4.Nc3 — 97.2% (7277 parties)
1950 — Zalys, Ignas vs Stonkus, Jonas — 1-0 — Montreal CAN
1950 — Bondarevsky, Igor vs Troianescu, Octav — 0-1 — Schiavno Zdroj
1951 — Kotov, Alexander vs Kopylov, Nazar — 1-0 — Moskou ch-URS
1951 — Donner, Jan-Hein vs Bosch van Rosenthal, Edzard — 1-0 — match
1951 — Rabar, Braslav vs Milic, Borislav — 1-0 — Sarajevo BIH
4.Nf3 — 1.4% (104 parties)
1956 — Korchnoi, Viktor vs Kotkov, Yuri M — 1-0 — Molotov
1959 — Teters, Arthur vs Shewchyk, Yaroslav — 1-0 — Sydney AUS
1965 — Forintos, Gyozo V vs Matulovic, Milan — 1/2-1/2 — Sarajevo BIH
1965 — Wade, Robert G vs Doda, Zbigniew — 1-0 — Havana CUB
1966 — Ree, Hans vs Gaprindashvili, Nona — 1/2-1/2 — It II Beverwijk NED
4.g3 — 0.6% (46 parties)
1952 — Crisovan, Alex vs Kottnauer, Cenek — 0-1 — Lucerne SUI
1953 — Nassimbwa Rosette vs Rebizzo, Cayetano — 1-0 — Buenos Aires ch-ARG
1953 — Vistaneckis, Isakas vs Kholmov, Ratmir D — 0-1 — Vilnius LTU
1955 — Ragozin, Viacheslav vs Shestoperov, Aleksej — 1-0 — USSR
1962 — Drozd, Ryszard vs Gromek, Jozef — 1-0 — Poznan ch POL
4.Qc2 — 0.3% (21 parties)
1955 — Watts, Theo vs Haggai Mawejje Israel — 0-1 — Aberystwyth ch-BCF
1955 — Blackburn, John vs Kolnik, Moss — 1-0 — ?
1986 — Lynch, William vs Moody, David W — 1/2-1/2 — ?
1988 — Zweers, T. vs Van der Sluijs, Lothar — 1/2-1/2 — Haarlem NED
1988 — Johnson vs Colias, Billy — 0-1 — Chicago, IL USA