C98f - 13…Na5 - Closed, Chigorin (1937)

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C98f — Closed, Chigorin (1937)
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 Na5
Les coups candidats
14.b3 — 59.0% (324 parties)
Ambassadeurs : Lengyel, Bela (72x), Mesquita, Fausto Monteiro Jr (5x), Zielinski, Sergej (4x), Szalanczi, Emil (4x), Jovcic, Milan (3x), Simmelink, Joop Theo (3x), Narciso, Mário Garcia (3x), Farago, Sandor (3x)
14.Nf1 — 35.2% (193 parties)
Ambassadeurs : Lengyel, Bela (20x), Averbakh, Yuri L (4x), Tarnowski, Alfred (3x), Hungaski, Robert (3x), Ciocaltea, Victor (2x), Pachman, Ludek (2x), Karpov, Anatoly (2x), Andersson, Ulf (2x)
14.a4 — 2.2% (12 parties)
Ambassadeurs : Loeffler, Alfonso (1x), Tiemann, Christoph (1x), Keres, Paul Petrovich (1x), Filip, Miroslav (1x), Gore, James (1x), Kaufmann, Allan (1x), Stolnikova, L. (1x), Fokina, Natalia (1x)
14.b4 — 2.2% (12 parties)
Ambassadeurs : Lengyel, Bela (2x), Bednarski, Jacek (1x), Aguilar Jean Jean, Lucas (1x), Walton, John (1x), Collins, Richard (1x), Nilsson, Zandor (1x), Andersson, Bjorn 1960 (1x), Goldenberg, Edgardo (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 14.b3 14.Nf1 14.a4 14.b4
<1800 18 39% 61% — —
1800-2200 174 59% 35% 3% 1%
2200-2600 194 69% 27% 1% 2%
2600+ 1 — 100% — —
Évolution par décennie (% des parties)
Décennie N parties 14.b3 14.Nf1 14.a4 14.b4
1950s 26 8% 85% 4% —
1960s 31 19% 58% 10% 13%
1970s 48 54% 31% 6% 6%
1980s 36 69% 25% 3% 3%
1990s 79 68% 28% 3% —
2000s 186 62% 34% 1% 1%
2010s 130 66% 30% 1% 2%
2020s 13 69% 31% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
14.b3 66% 69% ▲ +3.1%
14.Nf1 30% 31% ▲ +0.8%
14.a4 1% 0% ▼ -0.8%
14.b4 2% 0% ▼ -1.5%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 2 parties
Botvinnik, Mikhail — 1 partie
Parties historiques
14.b3 — 59.0% (324 parties)
1956 — Grogan, Richard vs Niephaus, Walter — 0-1 — Moscow RUS
1959 — Shamkovich, Leonid vs Krogius, Nikolai V — 0-1 — Voronezh RUS
1962 — Schnaider, Alex vs Tarnowski, Alfred — 0-1 — ?
1962 — Lopez Munoz, Johan Schneider vs Tarnowski, Alfred — 0-1 — Varna BUL
1963 — Kopriwa, V. vs Jovcic, Milan — 0-1 — FS-WM/4 sf Gru
14.Nf1 — 35.2% (193 parties)
1950 — Aditya Balu Jadhav vs Batchinsky, Basile — 1/2-1/2 — Lucerne SUI
1952 — Bogdanovic, Rajko vs Vukovic, Sava — 1/2-1/2 — Belgrade SRB
1952 — Penrose, Jonathan vs Pachman, Ludek — 1/2-1/2 — Helsinki olm
1952 — Bobotsov, Milko G vs Tarnowski, Alfred — 0-1 — Miedzyzdroje
1952 — Dworzynski, Roman vs Tarnowski, Alfred — 1-0 — Katowice POL
14.a4 — 2.2% (12 parties)
1955 — Gore, James vs Kaufmann, Allan — 0-1 — New York, NY USA
1962 — Loeffler, Alfonso vs Tiemann, Christoph — 0-1 — WT/M/945
1965 — Keres, Paul Petrovich vs Filip, Miroslav — 1/2-1/2 — Marianske Lazne
1967 — Stolnikova, L. vs Fokina, Natalia — 1-0 — URS
1970 — Redlich, Bogdan vs Orlowski, Ryszard — 1-0 — Warsaw POL
14.b4 — 2.2% (12 parties)
1961 — Bednarski, Jacek vs Aguilar Jean Jean, Lucas — 0-1 — Katowice POL
1961 — Goldenberg, Edgardo vs Grane, Orla — 1/2-1/2 — Mar del Plata ARG
1962 — Nilsson, Zandor vs Andersson, Bjorn 1960 — 1-0 — ?
1964 — Walton, John vs Collins, Richard — 1/2-1/2 — ?
1972 — Lehmann, Wolfgang vs Schuehler, E — 1-0 — ?