Index - O
| on | BishBosh.Property.Switchable |
| OnymousResult | BishBosh.ContextualNotation.QualifiedMoveForest |
| OpenInterval | BishBosh.Evaluation.QuantifiedGame |
| Opposable | BishBosh.Property.Opposable |
| opposites | BishBosh.Direction.Direction |
| Options | BishBosh.Input.Options |
| OptionsMutator | BishBosh.Input.CategorisedCommandLineOptions |
| optionTag | BishBosh.Input.CECPFeatures |
| ordinateParser | BishBosh.Notation.PureCoordinate |
| Orientated | BishBosh.Property.Orientated |
| outputConfigFilePathTag | BishBosh.Input.IOOptions |