Starts with the letter 'Str'
- Straights. Chess-like Naval Battle game from the end of the 19th Century. (9x11, Cells: 81) Author: John Reece. Inventor: Anne Marriot Watson.
- Straights . Chess-like Naval Battle game from the end of the 19th Century. Author: Young-Hyun Joo. Inventor: Anne Marriot Watson.
- Strand. Three dimensional game with pawns and kings that move along straight lines and must remain adjacent. (4x4x4, Cells: 64) By Mike Cosgriff.
- Strange Chess. A large (12x12) chess variant. (12x12, Cells: 144) By Mark Hedden.
- StrataChess v1.0. separate Strategic and Tactical gameplay. 2-6 players. Element of Chance. Terrain. Build your own armies. By Prussia General.
- Strate-Go Chess. Missing description (8x8, Cells: 64) By John Kipling Lewis.
- Strategems. Chess problem magazine. Author: Ben Good.
- StrateGems . Chess problem magazine. Author: Ben Good.
- StrategiChess . Large multi-player, multi-board chess variant. (14x14, Cells: 196) Author: Alan Cartwright. Inventor: Alan Cartwright and Alastair Taft.
- StrategiChess II . Large, multi-player, mult-board variant with new piece types. (14x14, Cells: 196) Author: Alan Cartwright. Inventor: Alan Cartwright and Alastair Taft.
- Strategy for Losing Chess . Website with strategic tips for Giveaway chess.
- Strato Chess. Information (no rules) about a quarter-century old three dimensional chess variant. (8x8x3, Cells: 192) Author: Jonathan Alden and Mark Hummel.
- Stratomic. Decimal variant with a nuclear missile piece. (10x10, Cells: 100) Author: Jean-Louis Cazaux. Inventor: Robert Montay-Marsais.
- Stratomic Chess. Tactical nuclear missiles may be deployed after a piece is captured. Author: Ed Friedlander.
- String Chess. A one-dimensional variant with a fairy theme. (1x24, Cells: 24) By Aaron Hall.
- String Chess. A one-dimensional variant with a fairy theme. Author: Mathew M. Burke. Inventor: Aaron Hall.
- Strong Pawn Chess. Pawns move in a similar fashion to the pieces they start in front of. (8x8, Cells: 64) By Este.
- Strong Pawns Chess. Pawns move and promote as minor versions of the pieces they represent. Author: Ed Friedlander.
- Strong Yang. Another way of applying the Nearlydouble principle to a variant with Cannons. (13x13, Cells: 169) By Charles Gilman.
Total items listed: 19