D15g - 4…a6 5.e3 - Chameleon (1964)

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D15g — Chameleon (1964)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 a6 5.e3
Les coups candidats
Ambassadeurs : Volkov, Sergey (46x), Velicka, Petr (41x), Burmakin, Vladimir (37x), Prie, Eric (25x), Dovzik, Juri (22x), Wang, Yue (20x), Acs, Peter (20x), Bukal, Vladimir Jr. (19x)
5…Bf5 — 15.7% (1719 parties)
Ambassadeurs : Lin, Chen (13x), Riazantsev, Alexander (11x), Antipov, Mikhail Al. (10x), Nyback, Tomi (9x), Bacrot, Etienne (8x), Malakhov, Valentyn (8x), Szeberenyi, Adam (8x), Sanchez, Joseph (Peru) (7x)
Ambassadeurs : Vysochin, Spartak (27x), Stefanova, Antoaneta (26x), Malakhatko, Vadim (23x), Kobalia, Mikhail (18x), Iskusnyh, Sergei (16x), Agrest, Evgenij (10x), Haslinger, Stewart G (9x), Najer, Evgeniy (7x)
5…g6 — 5.0% (549 parties)
Ambassadeurs : Kamsky, Gata (40x), Farago, Sandor (8x), Burmakin, Vladimir (7x), Shetty, Shreya A (6x), Prasca Sosa, Rafael Felipe (5x), Mamedyarov, Shakhriyar (5x), Artemiev, Vladislav (5x), Balog, Imre (5x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…b5 5…Bf5 5…e6 5…g6
<1800 438 55% 18% 11% 5%
1800-2200 3605 60% 16% 10% 5%
2200-2600 5776 64% 15% 13% 5%
2600+ 738 58% 18% 15% 8%
Évolution par décennie (% des parties)
Décennie N parties 5…b5 5…Bf5 5…e6 5…g6
1950s 1 100% — — —
1960s 3 — — 33% 67%
1970s 1 100% — — —
1980s 33 79% — 12% 6%
1990s 765 81% 3% 4% 3%
2000s 4221 72% 8% 11% 3%
2010s 4883 56% 20% 12% 7%
2020s 1050 35% 35% 17% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…b5 56% 35% ▼ -20.4%
5…Bf5 20% 35% ▲ +15.0%
5…e6 12% 17% ▲ +5.0%
5…g6 7% 7% +0.4%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Carlsen, Magnus — 10 parties
Ding, Liren — 10 parties
Kramnik, Vladimir — 8 parties
Anand, Viswanathan — 4 parties
Ju, Wenjun — 4 parties
Kasparov, Garry — 3 parties
Parties historiques
5…b5 — 61.9% (6783 parties)
1958 — Lagha, Khelil vs Fairhurst, William — 1/2-1/2 — Munich GER
1975 — Dorfman, Iossif vs Popov, Nikolay — 1-0 — ?
1980 — Asanov, Bolat vs Majorovas, Vitalijus — 1/2-1/2 — Sochi RUS
1980 — Balashov, Yuri vs Maiorov, Vladimir — 1-0 — Klaipeda
1981 — Tukmakov, Vladimir B vs Gavrikov, Viktor — 1/2-1/2 — Frunze ch-URS
5…Bf5 — 15.7% (1719 parties)
1993 — Sutter, Oliver vs Hofmann, Michael — 1/2-1/2 — ?
1994 — Toth, Bela vs Hofmann, Michael — 1/2-1/2 — SWZ-chT
1994 — Dilleigh, Stephen P vs Heasman, Richard — 1-0 — Hanham op
1996 — Malm, Art vs Chang, SW — 1-0 — corr IECC Pyramid
1996 — Csiszar, Csaba vs Kovacs, Zsolt — 1-0 — Budapest HUN
5…e6 — 11.7% (1283 parties)
1961 — Hottes, Dieter vs Pfeiffer, Gerhard — 1/2-1/2 — Bad Pyrmont GER
1980 — Klarius, Gerd vs Stoklas, Vincent — 1-0 — DDR/EU/M
1984 — Vaganian, Rafael A vs Long, Peter — 1-0 — Thessaloniki olm
1985 — Kavalek, Lubomir vs Kogan, Boris — 1/2-1/2 — Estes Park ch-USA
1988 — Krueger, Erich vs Seepe, Udo — 0-1 — GER
5…g6 — 5.0% (549 parties)
1964 — Uhlmann, Wolfgang vs Fairhurst, William — 1-0 — Tel Aviv olm
1964 — Nikolaevsky, Yuri V vs Rachkovsky, Alexander — 1-0 — Kiev UKR
1982 — Liakopoulos, Theodoros vs Vlahos, Athanasios — 0-1 — Piraeus
1987 — Beil, Zdenek vs Anceschi, Vittorio — 1/2-1/2 — Reggio Emilia ITA
1991 — Schmitz, Joachim vs Dresen, Ulrich — 0-1 — GER