Coffee Game

Coffee Game is a paper and pencil game where there will be all winners and one loser. The loser have to pay a coffee or whatever you want. ;-) A random player, called the writer, write an hidden number from 1 to 999. The player on his left start the game calling a number from 1 to 999 trying to not guess the written number. The writer tell if the number is higher or lower to the written number. The next player have to call a number in the remain range trying to not guess the written number. The writer tell if the called number is higher or lower to the written number. The range will always be lower. If the turn come back to the writer he have to call a -2 or +2 from the last called number. Calls continue in clockwise order until a player guess the number. Who guess the number lost the game. Example of play. 4 player A, B, C and D. A is the writer. A write 334 hidden. B have to call a number from 1 to 999. B call 562. Higher. C have to call a number from 1 to 562. C call 275. Lower. D have to call a number from 275 to 562. D call 499. Higher. A, the writer, have to call a -2 number from the last call (499). A call 497. Higher. B have to call a number from 275 to 497. B call 330. Lower. C have to call a number from 330 to 497. C call 399. Higher. D have to call a number from 330 to 399. D call 331. Lower. A, the writer, have to call a +2 number from last called 331. A call 333. Lower. B have to call a number from 333 to 399. B call 340. Higher. C have to call a number from 333 to 340. C call 334. Guessed. C lost the game and have to pay a coffee.