Diagonales AbiertasReview of Chess Openings Played in FIDE Grand Swiss 2025
Contents
Find out which openings were the favorites in the 2025 FIDE Grand Swiss and which ones performed best for Black and White.
Statistics on openings played in the 2025 FIDE Swiss Grand
The data we present is intended to show the spectrum of openings played in a tournament considered to be of the highest level.
Tournaments represent trends and interpretations of the game by chess players. They belong to a particular era.
It would be ideal to analyze the different stages of the tournament and at different levels, but it’s a start.
Summary of the results of the FIDE Grand Swiss 2025 after 4 rounds
In total, each competitor will play 11 games in the FIDE Grand Swiss 2025.
There are 116 players, so 58 games are played each day.
After the third day of play, the following table shows a summary of the results and percentages for white and black.
| Games | White wins | Black wins | Draws | % White | % Black | % Draws |
|---|---|---|---|---|---|---|
| 232 | 58 | 36 | 138 | 25 | 15.5 | 59.5 |
Openings chosen in the Grand Swiss 2025
This other table shows the openings and variations of the openings that have been used during this Swiss System tournament.
The Sicilian Defense and the Queen’s Gambit Declined have been the most played openings so far. Together, out of 232 games played, they add up to 84.
Few games have been played so far, but as you can see, Black has had good results with the Caro-Kahn and the Ragozin variation of the QGD.
White has benefited from the QGD after the move 4.Nf3, also from the QGD line leading to 5…c6, from the Canal-Sokolsky attack of the Sicilian Defense, and from the classic attack of the Petrov Defense.
| Opening | Games | White Wins | Black Wins | Draws | White % | Black % | Draw % |
|---|---|---|---|---|---|---|---|
| B30 | Sicilian | Nimzovich-Rossolimo attack (without ...d6) | 10 | 2 | 3 | 5 | 20.0 | 30.0 | 50.0 |
| C50 | Giuoco Pianissimo | 5 | 1 | 1 | 3 | 20.0 | 20.0 | 60.0 |
| C55 | Two knights defence (Modern bishop's opening) | 5 | 0 | 0 | 5 | 0.0 | 0.0 | 100.0 |
| B12 | Caro-Kann | advance variation | 5 | 0 | 2 | 3 | 0.0 | 40.0 | 60.0 |
| D37 | QGD | 4.Nf3 | 5 | 2 | 0 | 3 | 40.0 | 0.0 | 60.0 |
| B40 | Sicilian | Anderssen variation | 4 | 1 | 0 | 3 | 25.0 | 0.0 | 75.0 |
| D38 | QGD | Ragozin variation | 4 | 1 | 2 | 1 | 25.0 | 50.0 | 25.0 |
| D35 | QGD | exchange, positional line, 5...c6 | 4 | 2 | 0 | 2 | 50.0 | 0.0 | 50.0 |
| B52 | Sicilian | Canal-Sokolsky attack, 3...Bd7 | 4 | 3 | 0 | 1 | 75.0 | 0.0 | 25.0 |
| C53 | Giuoco Piano | 4 | 1 | 1 | 2 | 25.0 | 25.0 | 50.0 |
| E06 | Catalan | closed, 5.Nf3 | 4 | 1 | 0 | 3 | 25.0 | 0.0 | 75.0 |
| C42 | Petrov | classical attack | 4 | 2 | 0 | 2 | 50.0 | 0.0 | 50.0 |
| B31 | Sicilian | Nimzovich-Rossolimo attack (with ...g6, without ...d6) | 3 | 1 | 0 | 2 | 33.3 | 0.0 | 66.7 |
| C65 | Ruy Lopez | Berlin defence | 3 | 0 | 1 | 2 | 0.0 | 33.3 | 66.7 |
| D43 | QGD semi-Slav | 3 | 1 | 0 | 2 | 33.3 | 0.0 | 66.7 |
| D02 | Queen's pawn game | 3 | 1 | 1 | 1 | 33.3 | 33.3 | 33.3 |
| D35 | QGD | exchange, positional line | 3 | 1 | 1 | 1 | 33.3 | 33.3 | 33.3 |
| D02 | Queen's bishop game | 3 | 0 | 0 | 3 | 0.0 | 0.0 | 100.0 |
| C42 | Petrov | Nimzovich attack | 3 | 1 | 0 | 2 | 33.3 | 0.0 | 66.7 |
| A05 | Reti opening | 3 | 1 | 0 | 2 | 33.3 | 0.0 | 66.7 |
| C84 | Ruy Lopez | closed defence | 3 | 0 | 0 | 3 | 0.0 | 0.0 | 100.0 |
| E01 | Catalan | closed | 3 | 0 | 0 | 3 | 0.0 | 0.0 | 100.0 |
| A14 | English | Neo-Catalan declined | 3 | 0 | 0 | 3 | 0.0 | 0.0 | 100.0 |
| C43 | Petrov | modern attack, Symmetrical variation | 2 | 0 | 1 | 1 | 0.0 | 50.0 | 50.0 |
| A28 | English | four knights, Romanishin variation | 2 | 0 | 1 | 1 | 0.0 | 50.0 | 50.0 |
| D33 | QGD | Tarrasch, Prague variation | 2 | 2 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| C11 | French | Steinitz, Boleslavsky variation | 2 | 1 | 0 | 1 | 50.0 | 0.0 | 50.0 |
| A21 | English, Kramnik-Shirov counterattack | 2 | 1 | 1 | 0 | 50.0 | 50.0 | 0.0 |
| E21 | Nimzo-Indian | three knights variation | 2 | 1 | 0 | 1 | 50.0 | 0.0 | 50.0 |
| E49 | Nimzo-Indian | 4.e3, Botvinnik system | 2 | 0 | 0 | 2 | 0.0 | 0.0 | 100.0 |
| B51 | Sicilian | Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack | 2 | 1 | 0 | 1 | 50.0 | 0.0 | 50.0 |
| A15 | English opening | 2 | 0 | 0 | 2 | 0.0 | 0.0 | 100.0 |
| B40 | Sicilian defence | 2 | 0 | 1 | 1 | 0.0 | 50.0 | 50.0 |
| B22 | Sicilian | Alapin's variation (2.c3) | 2 | 0 | 0 | 2 | 0.0 | 0.0 | 100.0 |
| D45 | QGD semi-Slav | Stoltz variation | 2 | 0 | 0 | 2 | 0.0 | 0.0 | 100.0 |
| E41 | Nimzo-Indian | 4.e3 c5 | 2 | 0 | 1 | 1 | 0.0 | 50.0 | 50.0 |
| C50 | Giuoco Pianissimo | Italian four knights variation | 2 | 1 | 0 | 1 | 50.0 | 0.0 | 50.0 |
| D45 | QGD semi-Slav | 5...Nd7 | 2 | 0 | 0 | 2 | 0.0 | 0.0 | 100.0 |
| B90 | Sicilian | Najdorf, Lipnitzky attack | 2 | 1 | 1 | 0 | 50.0 | 50.0 | 0.0 |
| E60 | King's Indian | 3.g3 | 2 | 0 | 0 | 2 | 0.0 | 0.0 | 100.0 |
| B90 | Sicilian | Najdorf | 2 | 0 | 0 | 2 | 0.0 | 0.0 | 100.0 |
| E32 | Nimzo-Indian | classical variation | 2 | 1 | 0 | 1 | 50.0 | 0.0 | 50.0 |
| D31 | QGD | 3.Nc3 | 2 | 0 | 1 | 1 | 0.0 | 50.0 | 50.0 |
| B92 | Sicilian | Najdorf, Opovcensky variation | 2 | 1 | 1 | 0 | 50.0 | 50.0 | 0.0 |
| A07 | Reti | King's Indian attack (Barcza system) | 2 | 0 | 1 | 1 | 0.0 | 50.0 | 50.0 |
| B90 | Sicilian | Najdorf, Byrne (English) attack | 2 | 0 | 2 | 0 | 0.0 | 100.0 | 0.0 |
| C42 | Petrov's defence | 2 | 0 | 1 | 1 | 0.0 | 50.0 | 50.0 |
| D32 | QGD | Tarrasch defence | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| E20 | Nimzo-Indian | Romanishin-Kasparov (Steiner) system | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| B33 | Sicilian | Pelikan (Lasker/Sveshnikov) variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C47 | Four knights | Scotch, 4...exd4 | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C45 | Scotch game | 1 | 0 | 1 | 0 | 0.0 | 100.0 | 0.0 |
| A08 | Reti | King's Indian attack | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C43 | Petrov | modern attack, main line | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C92 | Ruy Lopez | closed, Flohr-Zaitsev system (Lenzerheide variation) | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C80 | Ruy Lopez | open, 6.d4 | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| C95 | Ruy Lopez | closed, Breyer, Borisenko variation | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| D40 | QGD | Semi-Tarrasch defence | 1 | 0 | 1 | 0 | 0.0 | 100.0 | 0.0 |
| D78 | Neo-Gruenfeld, 6.O-O c6 | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| B08 | Pirc | classical system, 5.Be2 | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| B47 | Sicilian | Taimanov (Bastrikov) variation | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| C88 | Ruy Lopez | closed, 7...O-O | 1 | 0 | 1 | 0 | 0.0 | 100.0 | 0.0 |
| D85 | Gruenfeld | modern exchange variation | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| B01 | Scandinavian (centre counter) defence | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| C79 | Ruy Lopez | Steinitz defence deferred (Russian defence) | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| E60 | King's Indian, 3.Nf3 | 1 | 0 | 1 | 0 | 0.0 | 100.0 | 0.0 |
| C85 | Ruy Lopez | Exchange variation doubly deferred (DERLD) | 1 | 0 | 1 | 0 | 0.0 | 100.0 | 0.0 |
| D37 | QGD | classical variation (5.Bf4) | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C45 | Scotch | Tartakower variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| A81 | Dutch defence | 1 | 0 | 1 | 0 | 0.0 | 100.0 | 0.0 |
| C45 | Scotch | Mieses variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| A45 | Queen's pawn game | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C82 | Ruy Lopez | open, Dilworth variation | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| B53 | Sicilian, Chekhover variation | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| D45 | QGD semi-Slav | accelerated Meran (Alekhine variation) | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| E54 | Nimzo-Indian | 4.e3, Gligoric system with 7...dc | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C88 | Ruy Lopez | closed, anti-Marshall 8.a4 | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| D16 | QGD Slav | Soultanbeieff variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| E39 | Nimzo-Indian | classical, Pirc variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| A20 | English, Nimzovich, Flohr variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C24 | Bishop's opening | Berlin defence | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C07 | French | Tarrasch, open variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| E20 | Nimzo-Indian | Kmoch variation | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| E90 | King's Indian | 5.Nf3 | 1 | 0 | 1 | 0 | 0.0 | 100.0 | 0.0 |
| A61 | Benoni defence | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| B67 | Sicilian | Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7 | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| A46 | Queen's pawn game | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| B45 | Sicilian | Taimanov variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C67 | Ruy Lopez | Berlin defence, open variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C72 | Ruy Lopez | modern Steinitz defence, 5.O-O | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C01 | French | exchange variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| A00 | Van't Kruijs opening | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| E11 | Bogo-Indian defence, Gruenfeld variation | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| D11 | QGD Slav | 4.e3 | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| B33 | Sicilian | Pelikan, Chelyabinsk variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C02 | French | advance variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| E15 | Queen's Indian | Nimzovich variation (exaggerated fianchetto) | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| D07 | QGD | Chigorin defence | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| A20 | English opening | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C93 | Ruy Lopez | closed, Smyslov defence | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| A35 | English | symmetrical, four knights system | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| E11 | Bogo-Indian defence | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| B30 | Sicilian defence | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| D10 | QGD Slav defence | exchange variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| D86 | Gruenfeld | exchange, classical variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| D31 | QGD | Charousek (Petrosian) variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C84 | Ruy Lopez | closed, Basque gambit (North Spanish variation) | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| E36 | Nimzo-Indian | classical, Noa variation, 5.a3 | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| D26 | QGA | classical variation, 6.O-O | 1 | 0 | 1 | 0 | 0.0 | 100.0 | 0.0 |
| B44 | Sicilian defence | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| B42 | Sicilian | Kan, 5.Bd3 | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| A28 | English | four knights, Nimzovich variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C69 | Ruy Lopez | exchange variation, 5.O-O | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| E92 | King's Indian | Petrosian system, Stein variation | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| D35 | QGD | exchange variation | 1 | 0 | 1 | 0 | 0.0 | 100.0 | 0.0 |
| D00 | Queen's pawn game | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C92 | Ruy Lopez | closed, 9.h3 | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C77 | Ruy Lopez | Anderssen variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| D30 | Queen's gambit declined | 1 | 0 | 1 | 0 | 0.0 | 100.0 | 0.0 |
| A04 | Reti opening | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| D20 | QGA | 3.e4 | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| D00 | Queen's pawn | Chigorin variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| C58 | Two knights defence | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| A18 | English | Mikenas-Carls, Flohr variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| E66 | King's Indian | fianchetto, Yugoslav Panno | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| C42 | Petrov | classical attack, Marshall variation | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| E10 | Queen's pawn game | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| B11 | Caro-Kann | two knights, 3...Bg4 | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| D04 | Queen's pawn game | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| D75 | Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| A29 | English | four knights, kingside fianchetto | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| E04 | Catalan | open, 5.Nf3 | 1 | 0 | 1 | 0 | 0.0 | 100.0 | 0.0 |
| A45 | Trompovsky attack (Ruth, Opovcensky opening) | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| E91 | King's Indian | Kazakh variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| A07 | Reti | King's Indian attack | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| D12 | QGD Slav | 4.e3 Bf5 | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| E67 | King's Indian | fianchetto, classical variation | 1 | 0 | 1 | 0 | 0.0 | 100.0 | 0.0 |
| A34 | English | symmetrical, three knights system | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |
| A30 | English | symmetrical variation | 1 | 0 | 0 | 1 | 0.0 | 0.0 | 100.0 |
| B90 | Sicilian | Najdorf, Adams attack | 1 | 1 | 0 | 0 | 100.0 | 0.0 | 0.0 |