Merge pull request google-deepmind#1403 from gmweinberg:yacht

PiperOrigin-RevId: 855955235
Change-Id: I9f7a52d328385960dd6fc2c4ddc87917747ba151

Author: lanctot

docs/games.md

@@ -96,3 +96,4 @@ Status                                                                 | Game
 🔶                                                                      | [Ultimate Tic-Tac-Toe](https://en.wikipedia.org/wiki/Ultimate_tic-tac-toe)                     | 2       | ✅              | ✅            | Players try and form a pattern in local boards and a meta-board.
 🔶                                                                      | Weighted Voting Games                                                                          | 1+      | ✅              | ✅            | Classic coalitional game. Players each have a weight w_i, and there is a quota q. Denote p the binary vector representing a coalition over n players. The utility is 1 if p · w ≥ q, 0 otherwise. References: [Chalkiadakis, Elkind, & Wooldridge '12](https://link.springer.com/book/10.1007/978-3-031-01558-8).
 🟢                                                                      | [Y](https://en.wikipedia.org/wiki/Y_\(game\))                                                  | 2       | ✅              | ✅            | Players place tokens to try and connect sides of a triangular board.
+🔶 | [Yacht](https://en.wikipedia.org/wiki/Yacht_(dice_game)) | 1–10 | ❌ | ✅ | Dice game where players score points in different categories. Rules follow Knizia, which is slightly different from the Wikipedia rules. Reference: Knizia 1999 *Dice Games Properly Explained*.

open_spiel/games/CMakeLists.txt

@@ -214,6 +214,8 @@ set(GAME_SOURCES
   ultimate_tic_tac_toe/ultimate_tic_tac_toe.cc
   y/y.cc
   y/y.h
+  yacht/yacht.cc
+  yacht/yacht.h
 )
 
 if (${OPEN_SPIEL_BUILD_WITH_HANABI})
@@ -709,3 +711,7 @@ endif()
 add_executable(y_test y/y_test.cc ${OPEN_SPIEL_OBJECTS}
                $<TARGET_OBJECTS:tests>)
 add_test(y_test y_test)
+
+add_executable(yacht_test yacht/yacht_test.cc ${OPEN_SPIEL_OBJECTS}
+               $<TARGET_OBJECTS:tests>)
+add_test(yacht_test yacht_test)