Chess problem, 14th century
Sumer Is Icumen In, 13th-century song manuscript
Chess
fingers on chess piece
Above view of chess game
Hand moving a queen chess piece
Chess pieces on a chessboard
Map of climactic zones, 13th century
Biblical astronomer Jonicus, 15th-century manuscript
Mythical monstrous races of humans, 13th century
Chess board
Chess figures
Close-up of chess
Chess move
Chess pieces
チェス
Deep Blue supercomputer racks
Persian map of the world, after Ptolemy, 13th century
Little girl playing chess
Chess game on table, children playing in background
Human hand moving chess piece, close-up
Competition & Cooperation
Man making chess move
Playing chess
Astronomical table, 14th century
Bishop Chess Piece, Close-Up
チェス盤の水仙
Chess Set in Outdoor Setting
Chess Set in Outdoor Setting, Close-Up
Germany, Baden-Wurttemberg, Esslingen, Exterior of 13th century Schelztorturm tower
Box of Chinese chess pieces
High Angle View of Chess Set in Outdoor Setting
The Chess Players, 19th century
Deep Blue supercomputer
Persian astronomy, 15th century
chess on a table
Coins and chess pieces on chess board
Chess Match
Deep Blue chess board
England, East Sussex, Battle, The Annual Battle of Hastings 1066 Re-enactment Festival, Participants Dressed in Medieval Costume Playing Backgammon
Businessman playing chess, mid section
Chess pieces on board with map, digital composite
Waterwheel invention, 14th century
Treatise on perspective, 15th century
Elephant clock invention, 14th century
Peacock water clock invention, 14th century
Comets, 15th century
Chess king
Young boy playing chess
Couple playing chess
Chess Pieces
Medieval constellations, 13th century
Two little boys playing chess
Playing like a chess pro
Glass chess pieces on chess board
Glass chess piece set on chess board
Chess piece on bills
Chess pieces on board
Nepal, Kathmandu, chess competition
Thailand,Bangkok,Chinatown,Men Playing Chess
Chess pieces on chess board, top view
Green and white glass chess pieces on chess board
Assorted money with chess pieces
Green and white chess pieces
Glass chess piece and globe
Sam Loyd, American chess player
Two men playing chess
Global Pawn
Businese
Mansur's Anatomy, 15th century
Game pieces on furry chess board
King chess piece surrounded by opponents
Chess pieces are lined up
Set of white chess pieces, low angle view
Close-up of a king on a chess board
Men playing Chess
Leonardo da Vinci's helicopter design, 15th century
Chess as a metaphor for stock markets
High angle shot of the chess,Tokyo,Japan
Chessborard and Pieces
秋のリゾート
Two boys (4-6) playing chess, close-up
Euro
William Winter
Germany, Bavaria, Wurzburg, Low angle view of Marienberg Fortress exterior
Astrolobe made by Rasulid sultan Yusuf ibn Umar
De sphaera mundi, 13th century astronomy text
The Baptistry of St. John, Pisa, Italy
Spain, Province of Burgos, Castile and Leon, Cathedral of Saint Mary of Burgos at dusk
Spain, Province of Burgos, Castile and Leon, Cathedral of Saint Mary of Burgos and surrounding buildings at dusk
Germany, Baden-Wurttemberg, Ravensburg, Low angle view of medieval Schellenberg Tower
Czech Republic, South Bohemian Region, Cesky Krumlov, Tower of Cesky Krumlov Castle
Germany, Bavaria, Nuremberg, Exterior of historic Tiergartnertorturm
Germany, Bavaria, Nuremberg, Half-timbered house in front of historic Sinwell Tower
Germany, Bavaria, Passau, Veste Oberhaus fort with old town houses in foreground
Germany, Bavaria, Passau, Veste Oberhaus fort overlooking Danube river in summer
Germany, Bavaria, Passau, View of Veste Oberhaus fort in summer with river in background
Germany, Bavaria, Passau, Aerial view of Veste Oberhaus fort in summer
Germany, Bavaria, Passau, Aerial view of Veste Oberhaus fort and surrounding old town
Germany, Schleswig-Holstein, Lubeck, Spires of historic town hall
Italy, Tuscany, Poppi, Tower of Castello dei Conti Guidi castle
Italy, Tuscany, Poppi, Exterior of Castello dei Conti Guidi in summer
Czech Republic, South Bohemian Region, Rozmberk nad Vltavou, Drone view of Rozmberk Castle in autumn
Czech Republic, South Bohemian Region, Rozmberk nad Vltavou, Drone view of Rozmberk Castle and surrounding town in autumn
Switzerland, Canton of Schaffhausen, Stein am Rhein, Aerial view of Hohenklingen Castle
Switzerland, Canton of Fribourg, Gruyeres, Aerial view of Gruyeres Castle in summer
France, Dordogne, Castelnaud-la-Chapelle, Chateau de Castelnaud-La-Chapelle in summer
Finland, Turku, Lawn in front of Turku Castle
Finland, Turku, Entrance of Turku Castle
Norway, Notodden, Heddal, Exterior of Heddal Stave Church
Germany, Baden-Wurttemberg, Brackenheim, Helicopter view of Schloss Stocksberg in summer
Germany, Rhineland-Palatinate, Panorama of empty ruins of Grafenstein Castle
Italy, Province of Barletta-Andria-Trani, Andria, Helicopter view of Castel del Monte in summer
Germany, Hesse, Braunfels, Aerial view of Schloss Braunfels
Germany, Hesse, Braunfels, Panorama of clear sky over Schloss Braunfels
Germany, Hesse, Braunfels, Clear blue sky over Schloss Braunfels
Italy, Province of Barletta-Andria-Trani, Andria, Clouds over Castel del Monte
Italy, Province of Barletta-Andria-Trani, Andria, Low angle view of Castel del Monte
Germany, Bavaria, Regensburg, Medieval city gate Ostentor
Germany, Hesse, Budingen, Aerial view of Budingen Castle and surrounding town houses in summer
Italy, Lazio, Viterbo, Trees in front of Palazzo dei Papi
Italy, Lazio, Viterbo, Terrace fountain of Palazzo dei Papi
Italy, Lazio, Viterbo, Bell tower of Palazzo dei Papi
Italy, Lazio, Viterbo, Arches of Palazzo dei Papi
Italy, Lazio, Viterbo, Piazza San Lorenzo and Palazzo dei Papi
Italy, Lazio, Viterbo, Exterior of Palazzo Gatti at dusk