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Ardsley, NY (Youth PM)
May 9, 2009
Division A
					Rating
Rank		Name	W–L	Spread	Old Perf	New +/−	Round-by-Round Results
1		MATTHEW OCONNOR	4–0	+660	1063 1440	1075 +12		W4 2 1		W3 2 1		W2 2 1		W2 2 1
2		DANILO VICIOSO	2–2	+114	532 782	551 +19		W3 2 1		W4 2 1		L1 1 2		L1 1 2
3		AAKASH JHAVERI	1–3	−316		500		L2 1 2		L1 1 2		L4 1 2		W4 2 1
4		JORDAN STEIN	1–3	−458		500		L1 1 2		L2 1 2		W3 2 1		L3 1 2
Division B
					Rating
Rank		Name	W–L	Spread	Old Perf	New +/−	Round-by-Round Results
1		AMY ROWLAND	4–0	+862	592 1375	665 +73		W3 2 1		W4 2 1		W2 2 1		W2 2 1
2		EVAN WINSTON	2–2	+289	397 546	409 +12		W4 2 1		W3 2 1		L1 1 2		L1 1 2
3		R TERENCE JR SMITH	2–2	−683		500		L1 1 2		L2 1 2		W4 2 1		B +50
4		CIARAN KAGER	1–3	−568		500		L2 1 2		L1 1 2		L3 1 2		B +50

Legend

Rank

A player’s rank at the tournament, based on their wins, losses and spread. May be incorrect if a director has submitted bye-related data in a deprecated format.

Name

A player’s name as it appears in the ratings list.

W-L

A player’s record of wins and losses. Byes count as wins, forfeits as losses, and ties as half-win/half-losses.

Spread

The difference between the number of points a player scores and the number of points scored by all of the opponents.

Old

A player’s pretournament rating.

Perf

A player’s performance rating, representing the player’s strength counting only this event.

New

A player’s post-tournament rating.

+/−

The difference between the player’s pretournament and post-tournament ratings.

Traditional Rating

A player’s rating computed using the original normal expectation curve.

2008 Revised Rating

A player’s rating computed using the new logistic expectation curve, introduced at the beginning of October 2008.

Rating

A player’s rating according to the rating system in effect for this tournament. If more than one pair of columns is given, this event was split-rated because of its length.

Round-by-Round Results

A player’s list of opponents, with photos where available (hover mouse over photo for name), one of WLTB (win, loss, tie or bye), opponent rank, player score and opponent score.