A05c — Reti: Santasiere’s folly

1.Nf3 Nf6 2.b4 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 5 pièces non développées (B1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, menace e5, libère Bf1
● Nbd2 — Développer Nb1
● d3 — Libérer Bc1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (B8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Bd6 — Développer Bf8
● ...Bg4 — Clouer Nf3

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A05c — Santasiere’s folly

1.Nf3 Nf6 2.b4

Eval: [-0.18]

Les coups candidats

2…e6 — 34.6% (433 parties)

Ambassadeurs : Whittaker, Ian P (10x), Avchinikov, Viktor (7x), Santasiere, Anthony (6x), Schulz, Hans-Juergen (6x), Matveenko, Yury (6x), Liptak, Tibor (5x), Chandler, Patrick (5x), Uddin, Md. Saif (5x)

2…g6 — 27.4% (343 parties)

Ambassadeurs : Feldstein Esq, Robert A (7x), Santasiere, Anthony (5x), Ebert, Lutz (5x), Ivanets, Vladimir (5x), ? (4x), Mrozinski, Werner (4x), Kossobudzki, Robert (4x), Nikolaevsky, Yuri V (3x)

2…d5 — 20.4% (256 parties) →

Ambassadeurs : Avchinikov, Viktor (13x), Whittaker, Ian P (7x), Benassi, Aspasio (6x), Cirulis, Ilmars (6x), Gurgenidze, Bukhuti (4x), Uddin, Md. Saif (4x), Schueller Rudolf (3x), Ederer, Karel (3x)

2…d6 — 4.7% (59 parties)

Ambassadeurs : Chandler, Patrick (3x), Mrozinski, Werner (2x), Skalicka, Karel (1x), Bianco Esposito, Antonio (1x), Santasiere, Anthony (1x), Bronstein, David I (1x), Schlaugat, Michael (1x), Vieten, Siegbert (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	2…e6	2…g6	2…d5	2…d6
<1800	45	40%	33%	11%	4%
1800-2200	497	34%	27%	20%	6%
2200-2600	340	30%	29%	24%	4%
2600+	3	33%	33%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	2…e6	2…g6	2…d5	2…d6
1920s	3	67%	—	33%	—
1930s	11	55%	27%	18%	—
1940s	13	46%	15%	15%	15%
1950s	12	42%	33%	—	—
1960s	31	45%	45%	3%	—
1970s	41	37%	37%	15%	2%
1980s	90	34%	26%	20%	4%
1990s	228	35%	29%	19%	6%
2000s	345	33%	28%	19%	5%
2010s	404	34%	24%	25%	4%
2020s	74	32%	27%	26%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
2…e6	34%	32%	▼ -1.2%
2…g6	24%	27%	▲ +2.8%
2…d5	25%	26%	▲ +0.9%
2…d6	4%	4%	-0.4%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 1 partie

Parties historiques

2…e6 — 34.6% (433 parties)

1924 — Skalicka, Karel vs Reca, Damian M — 0-1 — Paris FRA
1924 — Muffang, Andre vs Casier, Robert — 1-0 — Strasbourg FRA
1933 — Querencio vs Calandrelli, Alessandro — 0-1 — Buenos Aires ARG
1936 — Santasiere, Anthony vs Reinfeld, Fred — 1-0 — New York, NY USA
1938 — Villegas, Benito vs Acero Falcon, Lucas Esteban — 1/2-1/2 — Buenos Aires ARG

2…g6 — 27.4% (343 parties)

1930 — Noteboom, Daniel vs Landau, Salo — 1/2-1/2 — Amsterdam NED
1936 — Skalicka, Karel vs Frydman, Paulino — 0-1 — Podebrady CZE
1936 — Skalicka, Karel vs Menchik, Vera — 0-1 — Podebrady CZE
1945 — Santasiere, Anthony vs Davidson Gallego, Jorge — 1-0 — Peoria
1945 — Santasiere, Anthony vs Keltz, B — 1-0 — Ventnor City

2…d5 — 20.4% (256 parties)

1926 — Sapira, Emmanuel vs Goldstein, Alexander — 1/2-1/2 — Antwerp BEL
1931 — Richter, Kurt P vs Rellstab, Ludwig Sr — 1-0 — Swinemuende
1939 — Santasiere, Anthony vs Levin, Jerome A — 1/2-1/2 — Ventnor City
1948 — Hayden Aranha vs Winser Correa, Agustin Sebastian — 1-0 — Hastings ENG
1949 — Drummond, Redpath vs Anderson, Frank Ross — 0-1 — Arvida

2…d6 — 4.7% (59 parties)

1945 — Skalicka, Karel vs Bianco Esposito, Antonio — 1/2-1/2 — Quilmes
1945 — Santasiere, Anthony vs Bronstein, David I — 0-1 — USA-URS radio
1976 — Salas Leal, Mario vs Cote, Frederic — 1/2-1/2 — Haifa ISR
1982 — Cuellar, Jorge vs Sieiro Gonzalez, Luis — 1/2-1/2 — La Habana RADIO REBE
1986 — Schlaugat, Michael vs Vieten, Siegbert — 0-1 — Germany West

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (1v0)	● d5 (1v0), ● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bf1	● Bf1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	5 (b1, c1, f1, a1, h1)	5 (b8, c8, f8, a8, h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Au centre !
Droits de roque	O-O / O-O-O	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c2-c3, ● d2-d3, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
1924 Paris f-B – Round 7 – Skalicka, Karel – 0-1 – Reca, Damian M – G33 1. Nf3 Nf6 2. b4 e6 3. a3 c5 4. bxc5 Bxc5 5. d4 Be7 6. e3 d5 7. Bd3 O-O 8. O-O b6 9. Nbd2 Bb7 10. c4 Ne4
1936 Podebrady – Round ? – Skalicka, Karel – 0-1 – Menchik, Vera – G148 1. Nf3 Nf6 2. b4 g6 3. Bb2 Bg7 4. e3 O-O 5. Be2 d6 6. d4 Nfd7 7. Nbd2 e5 8. dxe5 dxe5 9. O-O Qe7 10. e4 Re8
1938 Argentina – Round 5 – Villegas, Benito – 1/2-1/2 – Acero Falcon, Lucas Esteban – G14 1. Nf3 Nf6 2. b4 e6 3. a3 c5 4. bxc5 Bxc5 5. e3 O-O 6. d4 Be7 7. Nbd2 b6 8. Bd3 d5 9. c4 Ba6 10. Bb2 Nc6
1939 Buenos Aires ol f-A – Round 10 – Skalicka, Karel – 0-1 – Salas Romo, Julio – G205 1. Nf3 Nf6 2. b4 e6 3. a3 a5 4. b5 d5 5. Bb2 Nbd7 6. d4 Nb6 7. Ne5 Bd7 8. e3 Bd6 9. c4 dxc4 10. Nxc4 Nxc4
1939 Buenos Aires ol prel-A – Round 3 – Skalicka, Karel – 1/2-1/2 – Opsahl, Haakon – G12 1. Nf3 Nf6 2. b4 e6 3. a3 b6 4. c4 c5 5. b5 d5 6. e3 Nbd7 7. Bb2 Bd6 8. d4 O-O 9. Nbd2 Bb7 10. Ne5 Rc8
1945 Quilmes – Round 1 – Skalicka, Karel – 1/2-1/2 – Bianco Esposito, Antonio – G12 1. Nf3 Nf6 2. b4 d6 3. d4 g6 4. Bb2 Bg7 5. e3 O-O 6. Be2 e5 7. dxe5 Nfd7 8. c4 a5 9. b5 Nxe5 10. Nxe5 dxe5
1945 USA-URS radio-m – Round 2 – Santasiere, Anthony – 0-1 – Bronstein, David I – G15 1. Nf3 Nf6 2. b4 d6 3. d4 g6 4. c4 Bg7 5. Bb2 O-O 6. Nbd2 a5 7. a3 e5 8. dxe5 Nfd7 9. e3 Nc6 10. Qb3 axb4
1945 Ventnor City – Round 9 – Santasiere, Anthony – 1-0 – Keltz, B – G25 1. Nf3 Nf6 2. b4 g6 3. d4 Bg7 4. e3 O-O 5. Nbd2 a5 6. b5 d6 7. Be2 Nbd7 8. O-O e5 9. c4 exd4 10. exd4 Re8
1946 New York ch-USA – Round 1 – Santasiere, Anthony – 1-0 – Fink, Alea – G51 1. Nf3 Nf6 2. b4 e6 3. a3 Be7 4. e3 O-O 5. c4 d5 6. Bb2 Nbd7 7. d4 Ne4 8. Nbd2 f5 9. Be2 c6 10. O-O Bd6
1947 AUS Ch – Round 6.1 – Stapleton, Ian – 0-1 – Steiner, Lajos – G1 1. Nf3 Nf6 2. b4 e6 3. a3 a5 4. b5 c5 5. e3 b6 6. Bb2 Bb7 7. c4 Be7 8. Bd3 d6 9. Nc3 Nbd7 10. Qc2 Qc7
1948 South Fallsburg ch-USA – Round 1 – Santasiere, Anthony – 0-1 – Hesse, Hartmut – G140 1. Nf3 Nf6 2. b4 e6 3. a3 a5 4. b5 c5 5. e3 d5 6. Bb2 Bd6 7. c4 Nbd7 8. d4 Qc7 9. Nbd2 b6 10. Bd3 Bb7
1948 South Fallsburg ch-USA – Round 1 – Santasiere, Anthony – 1-0 – Almgren, Sven – G141 1. Nf3 Nf6 2. b4 e6 3. a3 d5 4. e3 Bd6 5. Bb2 O-O 6. c4 c6 7. d4 Nbd7 8. Nbd2 a5 9. c5 Bc7 10. Bd3 e5
1952 Buenos Aires – Round 1 – Benko, Francisco – 0-1 – Aponte De La Corte, Jose Manuel – G22 1. Nf3 Nf6 2. b4 e6 3. a3 a5 4. b5 d5 5. e3 c5 6. c4 Nbd7 7. d3 Be7 8. Nbd2 O-O 9. Bb2 Ne8 10. Be2 Bf6
1953 Hastings ch-BCF – Round 1 – Mardle, Denis – 1/2-1/2 – Harris Mateu, Gido – G19 1. Nf3 Nf6 2. b4 e6 3. a3 d5 4. Bb2 c5 5. bxc5 Bxc5 6. e3 Nc6 7. d4 Bd6 8. c4 dxc4 9. Bxc4 O-O 10. O-O b6
1959 UKR Ch – Round 12 – ? – 1-0 – Bannik, Anatolij – G94 1. Nf3 Nf6 2. b4 g6 3. Bb2 Bg7 4. e3 O-O 5. Be2 d6 6. d4 c5 7. b5 Nbd7 8. O-O cxd4 9. Bxd4 Nc5 10. Nbd2 Bf5
1963 OWL Ch – Round 11 – Lachmann, Hans G – 0-1 – Bilo, Heinz – G32 1. Nf3 Nf6 2. b4 e6 3. a3 a5 4. b5 d5 5. Bb2 Be7 6. c4 c5 7. e3 O-O 8. Be2 Nbd7 9. d3 dxc4 10. dxc4 Ne4
1964 Amsterdam Interzonal – Round 17 – Bronstein, David I – 1/2-1/2 – Ivkov, Borislav – G175 1. Nf3 Nf6 2. b4 e6 3. a3 b6 4. g3 Bb7 5. Bg2 c5 6. bxc5 bxc5 7. c4 Nc6 8. O-O Be7 9. Nc3 O-O 10. d3 Rb8
1964 WchT U26 11. fin-A – Round 1.1 – Khodos, German – 1/2-1/2 – Bednarski, Jacek B – G6 1. Nf3 Nf6 2. b4 e6 3. a3 a5 4. b5 c5 5. Bb2 d5 6. e3 Nbd7 7. Be2 Bd6 8. d3 O-O 9. Nbd2 Re8 10. c4 b6
1965 Tbilisi Tbilisi GEO – Round 1 – Gurgenidze, Bukhuti – 1/2-1/2 – Buslaev, Aleksander – G63 1. Nf3 Nf6 2. b4 e6 3. a3 d5 4. e3 c5 5. bxc5 Bxc5 6. Be2 O-O 7. O-O Nc6 8. d4 Bd6 9. Nbd2 e5 10. Bb2 exd4
1966 Harrachov U26 – Round 9 – Janata, Michael – 1/2-1/2 – Voboril, Pavel – G35 1. Nf3 Nf6 2. b4 g6 3. Bb2 Bg7 4. c4 O-O 5. e3 d6 6. d4 c5 7. a3 a5 8. bxc5 dxc5 9. Nc3 cxd4 10. exd4 Bg4
1967 Moscow RUS – Round 1 – Smyslov, Vladimir – 1-0 – Uhlmann, Wolfgang – G19 1. Nf3 Nf6 2. b4 g6 3. Bb2 Bg7 4. c4 O-O 5. e3 c6 6. Be2 d5 7. O-O Bg4 8. Na3 Nbd7 9. b5 cxb5 10. Nxb5 dxc4
1967 POL Ch 24th – Round 10 – Gromek, Jozef – 0-1 – Sliwinski, Henryk – G21 1. Nf3 Nf6 2. b4 e6 3. b5 a6 4. bxa6 Nxa6 5. d4 d5 6. e3 Bd6 7. Nbd2 O-O 8. Ne5 c5 9. f4 Qa5 10. Bxa6 Rxa6
1968 CSR Team Ch Harrachov – Round 5 – Hort, Vlastimil – 1-0 – Smetana, Jaroslav – G19 1. Nf3 Nf6 2. b4 e6 3. b5 c5 4. c4 d5 5. e3 Be7 6. Bb2 O-O 7. Be2 Nbd7 8. O-O dxc4 9. Na3 a6 10. bxa6 bxa6
1968 Toronto CAN Open – Round 11 – Brodie, Hugh – 1/2-1/2 – Fraser, Gabriel – G23 1. Nf3 Nf6 2. b4 g6 3. Bb2 Bg7 4. c4 b6 5. g3 Bb7 6. Bg2 O-O 7. O-O d6 8. d3 Nbd7 9. Nbd2 c5 10. b5 a6
1968 Toronto CAN Open – Round 2 – Brodie, Hugh – 0-1 – Doubleday, William G. – G5 1. Nf3 Nf6 2. b4 e6 3. b5 Be7 4. c4 a6 5. bxa6 Nxa6 6. g3 b6 7. Bg2 Bb7 8. O-O O-O 9. Nc3 Nc5 10. d3 d6
1968 Varna BUL – Round 10 – Nikolaevsky, Yuri V – 1-0 – Flesch, Janos – G31 1. Nf3 Nf6 2. b4 e6 3. a3 a5 4. b5 d5 5. c4 c5 6. g3 Bd6 7. Bg2 O-O 8. O-O Re8 9. Qc2 Nbd7 10. Bb2 b6
Moscow 1975 – Round 1 – Spassky, Boris V. – 1/2-1/2 – Lengyel, Laszlo – G51 1. Nf3 Nf6 2. b4 e6 3. a3 b6 4. Bb2 Bb7 5. e3 Be7 6. c4 d5 7. cxd5 exd5 8. b5 a6 9. a4 axb5 10. axb5 Rxa1

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