Placements

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How in the world does RIOT place a player who went 7-3 in placement games against silver 4 players in bronze 3????? WTF is wrong with RIOT?

I did not make this and it was taken from a post here: http://forums.euw.leagueoflegends.com/board/showthread.php?t=1562059 Based on the data below, estimate your pre-reset mmr. I will refer to this number as X. (X-(X+1200)/2)/50 = number of wins you need more than losses to get your pre-reset mmr back (2N-10)*50+(X+1200)/2 = mmr you will get for N wins in your placements. Here is a spreadsheet by /u/atlphenom https://www.dropbox.com/s/g142os2eag5r61z/promo%20calcs.xlsx?dl=0 Bronze IV = 230-459 Bronze III = 460-689 Bronze II = 690-919 Bronze I = 920-1149

• • • ( You are now in Silver ELO) - - - Silver V = 1150-1219 Silver IV = 1220-1289 Silver III = 1290-1359 Silver II = 1360-1429 Silver I = 1430-1499
• • • ( You are now in Gold ELO ) - - - Gold V = 1500-1569 Gold IV = 1570-1639 Gold III = 1640-1709 Gold II = 1710-1779 Gold I = 1780-1849
• • • ( You are now in Platinum ELO ) - - - Platinum V = 1850-1919 Platinum IV = 1920-1989 Platinum III = 1990-2059 Platinum II = 2060-2129 Platinum I = 2130-2199
• • • ( You are now in Diamond ELO ) - - - Diamond V = 2200-2269 Diamond IV = 2270-2339 Diamond III = 2340-2409 Diamond II = 2410-2479 Diamond I = 2480-2550 Note: The earlier games in your series affect your placements more. So if you win or lose early on it will have a bigger impact than winning or losing the 2 last placement games. Note2: Playing as duo or with more will affect your placements, since your MMR will start to get closer to each other. So ones MMR will get higher and the others might get lower, depending on if you win or lose. There's no exact MMR for Master and Challenger Tier so there's no real way to calculate it, unless you take the average MMR from Master and Challenger tier. And there's a slight possibility for the Diamond MMR being a bit off.