Thumb War!

// include the library code:
#include <LiquidCrystal.h>

int playerOnePin = A0;    // select the input pin for the potentiometer
int playerTwoPin = A1;
int ledPin = 9;      // select the pin for the LED
int ledPin2 = 10;
// Pin 13: Arduino has an LED connected on pin 13
// Pin 11: Teensy 2.0 has the LED on pin 11
// Pin 6: Teensy++ 2.0 has the LED on pin 6
int playerOneScore = 0;  // variable to store the value coming from the sensor
int playerTwoScore = 0;
// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

void setup() {
  // declare the ledPin as an OUTPUT:
  pinMode(ledPin, OUTPUT);
  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.print("hello, world!");
  lcd.display();
  analogWrite(ledPin, 0);
  analogWrite(ledPin2, 0);
}

void loop() {
  // read the value from the sensor:
  playerOneScore = analogRead(playerOnePin);
  playerTwoScore = analogRead(playerTwoPin);
  lcd.clear();
  boolean oneWinning = playerOneScore > playerTwoScore;
  if(oneWinning){
    lcd.print("Player 1 ");
    analogWrite(ledPin, 2^(playerOneScore-playerTwoScore));
    analogWrite(ledPin2, 0);
    lcd.print(playerOneScore-playerTwoScore);
  }
  else{
    lcd.print("Player 2 ");
    analogWrite(ledPin2, 2^(playerTwoScore-playerOneScore));
    analogWrite(ledPin, 0);
    lcd.print(playerTwoScore-playerOneScore);
  }

  delay(200);
}