At about 1353 Eastern time, the airplane experienced a total loss of engine power during cruise flight. The pilot subsequently made an off-airport forced landing to a field and, during the landing roll, the airplane nosed over. The private pilot was not injured. The airplane sustained substantial damage to the vertical stabilizer and rudder. Visual conditions prevailed. While flying at 2000 feet, the engine lost power. The pilot moved the fuel selector to the left fuel tank and both fuel tank positions, but was unable to restore engine power. Subsequently, the pilot made a forced landed into a field and the airplane nosed over.