a total of 520 players participated in a single tennis knock out tournament. what is the total number of matches played in the tournament? ( knockout means if a player loses, he is out of the tournament ). no match ends in a tie.	Choose the most appropriate option:
A) 511	B) 519	C) 256	D) 255	E) 1023
<gadget id="calculator">520 / 2</gadget>
<output>260</output>

<gadget id="calculator">260 / 2</gadget>
<output>130</output>

<gadget id="calculator">130 / 2</gadget>
<output>65</output>

<gadget id="calculator">260 + 130</gadget>
<output>390</output>

<gadget id="calculator">65 + 390</gadget>
<output>455</output>

<gadget id="calculator">65 / 2</gadget>
<output>65/2 = around 32.5</output>

<gadget id="calculator">455 + (65/2)</gadget>
<output>975/2 = around 487.5</output>

<gadget id="calculator">(65/2) / 2</gadget>
<output>65/4 = around 16.25</output>

<gadget id="calculator">(975/2) + (65/4)</gadget>
<output>2_015/4 = around 503.75</output>

<gadget id="calculator">(65/4) / 2</gadget>
<output>65/8 = around 8.125</output>

<gadget id="calculator">(2_015/4) + (65/8)</gadget>
<output>4_095/8 = around 511.875</output>

<gadget id="calculator">(65/8) / 2</gadget>
<output>65/16 = around 4.0625</output>

<gadget id="calculator">(4_095/8) + (65/16)</gadget>
<output>8_255/16 = around 515.9375</output>

<gadget id="calculator">(65/16) / 2</gadget>
<output>65/32 = around 2.03125</output>

<gadget id="calculator">(8_255/16) + (65/32)</gadget>
<output>16_575/32 = around 517.96875</output>

<gadget id="calculator">(65/32) / 2</gadget>
<output>65/64 = around 1.015625</output>

<gadget id="calculator">(16_575/32) + (65/64)</gadget>
<output>33_215/64 = around 518.984375</output>

<result>B</result>
a total of 520 players participated in a single tennis knock out tournament. what is the total number of matches played in the tournament? ( knockout means if a player loses, he is out of the tournament ). no match ends in a tie.
add(add(add(add(add(add(add(divide(divide(divide(520, const_2), const_2), const_2), add(divide(520, const_2), divide(divide(520, const_2), const_2))), divide(divide(divide(divide(520, const_2), const_2), const_2), const_2)), divide(divide(divide(divide(divide(520, const_2), const_2), const_2), const_2), const_2)), divide(divide(divide(divide(divide(divide(520, const_2), const_2), const_2), const_2), const_2), const_2)), divide(divide(divide(divide(divide(divide(divide(520, const_2), const_2), const_2), const_2), const_2), const_2), const_2)), divide(divide(divide(divide(divide(divide(divide(divide(520, const_2), const_2), const_2), const_2), const_2), const_2), const_2), const_2)), divide(divide(divide(divide(divide(divide(divide(divide(divide(520, const_2), const_2), const_2), const_2), const_2), const_2), const_2), const_2), const_2))
there are 520 players , only 1 person wins , 519 players lose . in order to lose , you must have lost a game . 519 games . ans - b