C98e - 13.d5 - Closed, Chigorin (1946)

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C98e — Closed, Chigorin (1946)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Nc6 13.d5
Les coups candidats
Ambassadeurs : Zielinski, Sergej (23x), Rubil, Marko (14x), Grotnes, Nils Ragnar (13x), Tuma, Jiri (9x), Arjit Shaw (7x), Nickl, Klaus (7x), Kovachev, Daniel Jakobsen (7x), Hernandez Onna, Roman (6x)
Ambassadeurs : Lengyel, Bela (92x), Mesquita, Fausto Monteiro Jr (7x), Farago, Sandor (6x), Vass, Viktor (6x), Tarnowski, Alfred (5x), Zielinski, Sergej (5x), Averbakh, Yuri L (4x), Narciso, Mário Garcia (4x)
13…Nb8 — 6.9% (117 parties)
Ambassadeurs : Vitolinsh, Alvis (1x), Ryskin, M. (1x), Johansson, Martin 1979 (1x), De Guzman, Norlan P. (1x), Rodriguez Gonzales, Jesus (1x), Aguirre Izaguirre, Pedro Jose (1x), Bouna, Safwan younes (1x), Calero, Andres (1x)
13…Na7 — 1.7% (28 parties)
Ambassadeurs : Schneider, Lars-Ake (4x), Arencibia Rodriguez, Walter (4x), Ardiansyah, Haji (1x), Bachtiar, Arovah (1x), Geller, Efim P. (1x), Hernandez Onna, Roman (1x), Schwetlick, Thomas (1x), Idler, Frank (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 13…Nd8 13…Na5 13…Nb8 13…Na7
<1800 59 68% 17% 7% 7%
1800-2200 608 74% 16% 9% 1%
2200-2600 669 71% 23% 5% 1%
2600+ 7 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 13…Nd8 13…Na5 13…Nb8 13…Na7
1950s 23 70% 30% — —
1960s 58 62% 24% 14% —
1970s 115 68% 25% 4% 3%
1980s 102 71% 23% 5% 2%
1990s 228 64% 25% 7% 4%
2000s 596 69% 21% 7% 2%
2010s 512 76% 16% 7% 1%
2020s 57 84% 11% 5% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
13…Nd8 76% 84% ▲ +8.0%
13…Na5 16% 11% ▼ -5.5%
13…Nb8 7% 5% ▼ -1.6%
13…Na7 1% 0% ▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 6 parties
Botvinnik, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
13…Nd8 — 70.9% (1199 parties)
1950 — Belova, Valentina M vs Rubtsova, Olga — 0-1 — Moscow RUS
1950 — Wagschal, Philippe vs Kahn, Victor — 1/2-1/2 — Aix en Provence
1953 — Medina-Garcia, Antonio vs Cuellar Gacharna, Miguel — 0-1 — Mar del Plata ARG
1953 — Hecht, Hans-Joachim vs Stoeckl, Ernst — 1/2-1/2 — Vienna AUT
1953 — Colon Romero, Arturo vs Reissman, Paul — 1-0 — Puerto Rico ch
13…Na5 — 20.4% (345 parties)
1950 — Aditya Balu Jadhav vs Batchinsky, Basile — 1/2-1/2 — Lucerne SUI
1952 — Bobotsov, Milko G vs Tarnowski, Alfred — 0-1 — Miedzyzdroje
1952 — Dworzynski, Roman vs Tarnowski, Alfred — 1-0 — Katowice POL
1954 — Kan, Ilya A vs Botvinnik, Mikhail — 0-1 — Moscow RUS
1956 — Colon Romero, Arturo vs Badilles, Glicerio — 0-1 — Moskou olm
13…Nb8 — 6.9% (117 parties)
1960 — Rodriguez Gonzales, Jesus vs Aguirre Izaguirre, Pedro Jose — 1-0 — ?
1962 — Bouna, Safwan younes vs Calero, Andres — 1-0 — Varna BUL
1966 — Siveri, Armando vs Vincenti, Mario — 1/2-1/2 — Venice ITA
1966 — OBrien, Erik Michael vs Mueller, Bert — 1-0 — San Jose Chess Club
1967 — Vitolinsh, Alvis vs Ryskin, M. — 1-0 — URS
13…Na7 — 1.7% (28 parties)
1973 — Cano de Meio, Gustavo Roman vs Huttenlocher, Carlos A — 1-0 — ?
1978 — Klovans, Janis vs Schneider, Lars-Ake — 0-1 — Jurmala LAT
1979 — Ardiansyah, Haji vs Bachtiar, Arovah — 1/2-1/2 — Jakarta INA
1980 — Geller, Efim P. vs Hernandez Onna, Roman — 1-0 — Las Palmas ESP
1987 — Schwetlick, Thomas vs Idler, Frank — 1-0 — corr DDR