Thursday, March 24, 2011

What is a Tie Break in a chess tournament?

TBrk  stands for Tie Break calculations. Often these numbers are not published and only seen by the tournament director so it is reasonable that many players may not have seen them before. These numbers are calculations made by the computer in an effort to put a number a player’s performance and are often used to break ties when two or more players have the same score.
There are probably 20 or more different calculations that could be made. The TD selects the ones in use at the event. The ones shown are the standard ones we use at most of our events where it is not practical to have playoff games.
The first order of tie break is if the players have actually played each other. That solves many ties straight away.
The TBrk C stands for cumulative score and is the first computer calculation we tend to use. It is simply a round by round accumulation of a player’s score. For example if a player wins every game their score after round one will be 1.0, after round 2 it will be 2.0, and so on. The calculation adds the score at the end of each round, ie 1.0 plus 2.0 plus 3.0 plus 4.0 plus 5.0 for a maximum total of 15.
Now let’s look at what happens to two hypothetical players who each score 4.0. One is challenging for the championship. He has won all four games playing on the top board against the top contenders who, like him are unbeaten. Unfortunately he loses the big final match. His running score at the end of each round would look like 1.0, 2.0, 3.0, 4.0, 4.0. If you add them all together you get 14.
The other player loses his first game. This puts him on the other side of the pairings where he will only play people who have already lost a game. Lets say he wins his next 4 games so his round by round score would look like 0.0, 1.0, 2.0, 3.0, 4.0. If you add these numbers together you get 10. This reflects the fact that his path to 4.0 points was significantly easier than the first player. In a tie the computer would place the first player ahead of the second.
If this calculation still does not resolve a tie the next one is used. TBrk (P) measures the performance of the opposition a player faces. This calculation attempts to recognize the performance of the competition that a player met on the day. The math is a bit complicated but in simple terms a win against a strong player who won all his other games is worth more than a win against a weak player who lost every game he played.

Five of our team players qualify to play at Oregon State Scholastic Chess Championships!

Here they are:
1. Pike Jordan
2. Stefan Caplazi
3. Jacob Deklyen
4. Grant Gustavson
5. Andrea Botez

The OSCF State Championship is the premier scholastic chess tournament in the state — a two-day extravaganza in the beautiful resort town of Seaside, Oregon in April each year. Before the main event on Saturday, the 250 or so participants get a chance to unwind with the chaotic but fun blitz and bughouse tournaments late Friday afternoon. On Saturday morning players are divided into fourteen different playing sections defined by age and skill level to compete for large, heavy trophy cups filled with delicious, fresh salt-water taffy made right in Seaside.

Congrats!

HAPPY VALLEY ELEMENTARY RANKING MARCH 24TH 2011

Friday, March 18, 2011

FAQs About Ratings (From OSCF website)

Q: What is a “rating” and why do I need one?
A: A chess rating is a numerical grading that indicates the history of a player’s performance – and a statistical prediction of his/her near-future performance among other players in the same rating community
A rating helps players to measure individual progress and seek out appropriate competition. Tournament directors use ratings for making appropriate pairings in tournaments.
Q: There are a lot of different kinds of ratings: NWSRS, USCF, FIDE, ICC, Chessmaster, chess.com., etc. What’s the difference?
A:
The most widespread rating system in the United States is managed by the US Chess Federation (USCF). To get a USCF rating, a player must join the USCF and play in a USCF-rated tournament. There are scores of USCF tournaments in Oregon every year, and hundreds of Oregon players are USCF members with ratings.  However, because the cost of USCF membership is a deterrent for many young Oregonian novices to go to their first tournaments, OSCF also endorses Northwest Scholastic Rating System (NWSRS). No membership is required and no membership fees. To get an NWSRS rating, simply play in an NWSRS tournament, and you will automatically earn a rating. OSCF endorses and uses both USCF and NWSRS ratings.
FIDE ratings are for international events. Although very common in Europe, there are very few FIDE rated tournaments in the US. There are many websites (ICC, playchess.com, chess.com, World Chess Live, etc.) that host rated internet chess games, but these ratings have little relationship to over-the-board ratings and are not used by OSCF. Some chess-playing computer software packages also assign ratings. The ratings given by these programs can be vastly different from NWSRS and USCF ratings. E.g., Chessmaster ratings tend to be hundreds of points higher than USCF ratings.
Q: What’s my Rating?
A: The OSCF supports and endorses two rating systems. If you are a USCF member, you can look up your rating here:  USCF. If you have played in an NWSRS-rated event, you can find your rating here: NWSRS.
Q: Why use NWSRS ratings at all? Why not just use USCF ratings exclusively?
A: The short answer is that NWSRS gives the benefits of ratings without membership fees. This makes it much easier for parents to bring their young novices to their first tournaments. As a result the number of active scholastic chess players has undergone phenomenal growth since OSCF started using the NWSRS.
In addition, OSCF and NWSRS give great support to parents and teachers who want to organize rated tournaments. A new, would-be USCF tournament director must be a USCF member (about $40 per year for an adult), must have a USCF affiliate (another $40 per year), must get official USCF certification (no charge), and must pay $20-40 per event for ratings fees. For a new tournament director to run his or her first NWSRS tournament, there are no membership fees, no affiliate fees, no ratings fees, and no official certification required. Instead, OSCF will send an experienced TD at no cost to help run that first tournament or two. This friendly, helpful, and economical environment makes it easy for chess parents and chess coaches to host tournaments. As a result of the OSCF’s efforts, many chess parents have stepped into organizing NWSRS tournaments, and the opportunities for Oregon juniors to play competitive chess have expanded enormously since OSCF adopted NWSRS.
For more on NWSRS and USCF ratings, click here.
Q: What’s a “good” rating for a scholastic player?
A: USCF ratings range from 100 to about 2800, and NWSRS scholastic ratings range from 400 to about 2000 (but higher ratings are certainly possible!). Most scholastic players start out with NWSRS ratings around 500, and it normally takes a couple years to advance above 1000. The vast majority of active scholastic chess players in America have USCF ratings under 1200. In October 2010, there were fewer than 25 scholastic players in Oregon with ratings over 1500 and only one over 2000.
See data.
Q: What is the difference between established and provisional ratings?
A:When a player has not played many rated games, there is not enough information to get a good measure of his or her playing strength, so new ratings are considered provisional and can fluctuate wildly. Provisional ratings are not very reliable. The ratings formulas have a built-in mechanism to dampen fluctuations as more games are played, so inevitably your rating will settle down to a realistic level and gradually change as you improve. Established ratings are those in which a minimum number of games have been rated and the wild fluctuations are strongly damped. In the NWSRS, the minimum is 15 games. In the US Chess Federation, the minimum number of rated games is 26.
Q: I already have a rating. Do I have to start “from scratch” when I play under another rating system?
A: NWSRS: Some Oregon players enter the NWSRS system with a previously established USCF rating. If you already have a USCF rating when you play in your first NWSRS rated tournament, give the tournament organizer your USCF member ID and rating; that will be your initial rating in the NWSRS. When an unrated player (both in USCF and NWSRS) competes in a NWSRS rated tournament, his/her baseline rating is based on age and performance at that first tournament. Thereafter the rating is based purely on performance.
USCF: Scholastic players who are new to the USCF start out as “unrated” — no other rating system rating is accepted as a starting point. When an unrated player competes in a USCF rated tournament, his/her baseline rating is based on age and performance at that first tournament. Thereafter the rating is based purely on performance.
No over-the-board rating system, that we know of, accepts computer or online ratings as a “baseline” or for new players.
Q: Why does the OSCF think ratings are beneficial to scholastic players?
A: Ratings provide many benefits to both players and organizers:
  • As Chess Master Carl Haessler points out, “Ratings provide a forum where kids of all ages and playing strengths are able to measure themselves, not by comparing themselves to others, but by evaluating their individual progress.”
  • Ratings help players and organizers seek out appropriate competition.
  • When appropriately used with computerized tournament pairing programs, ratings make for fairer — and more exciting events. The winners are less likely to earn awards based on the “luck of the draw” in getting paired with less skilled players.
Ratings have potential drawbacks as well. Some players avoid certain competitions out of fear of losing ratings points. For example, some players will avoid short time controls because they play better at longer time controls. And some strong scholastic players avoid scholastic tournaments because they know that a lot of young players are underrated. When your opponent is stronger than his or her rating indicates, you don’t gain as many points as you “should” if you win, and you lose more points than you “should” if you lose. Bah!! Have courage and have fun playing! In the long run, you’ll be happier and a stronger player and have a higher rating because of it.
Q: My NWSRS and USCF ratings are very different. Why is that?
A: First, let’s define “very different.” The USCF considers two players to be in the same class grouping if their ratings are within 200 points of each other. Ratings within 100 points are considered nearly equal by the rating algorithms. Differences of less than 100 are normal and can easily result from random variation.
Greater differences can also sometimes be explained by random variation — especially when ratings are provisional. Provisional ratings are not very accurate and can change dramatically in a short period of time. When ratings are still provisional, a few games that are rated in one of the systems but not the other can lead to big differences in ratings between USCF and NWSRS.
In addition, players with NWSRS ratings under 1200 frequently find that their USCF ratings are quite a bit lower than their NWSRS ratings. There are two principal reasons for this. First is that the minimum USCF rating is 100, while the minimum NWSRS rating is 400, so there’s a 300 point difference built into the system for novice players. A second reason is that Oregon juniors tend to play way more NWSRS events than USCF events in their first few years of tournament play. To see how this works, suppose your first tournament is dual-rated, and you get identical initial USCF and NWSRS ratings. Then, you go to six more NWSRS tournaments that are not USCF rated over the next year, and your play become substantially stronger. Your NWSRS rating will increase along with your playing strength. However, your USCF rating won’t change at all until you play another USCF event.
The differences between the ratings gradually diminish as both rise above 1200, and there is little difference between the ratings once NWSRS exceeds 1500. How so? Players rated above 1500 rarely play anyone rated below 1000, so the differential minimum ratings between the systems does not have nearly the impact as it does for novices. In addition, stronger players tend to play many more USCF events than do novices, so their USCF rating tracks changes in playing strength just as well as their NWSRS ratings do.

Wednesday, March 9, 2011

Oregon State qualifiers tournaments March 11-13, 2011

For grade 6th only, 2 day tournament:

1. Oregon High School Chess Team Association



INDIVIDUAL  Open to Oregon and Washington students grades 6-12.

5 ROUND SCHEDULE
Friday, March 11th
3:30pm-5:00pm: Check-In at Sherwood HS
5:00pm: Player's meeting
5:30pm: Round 1
8:00pm: Round 2
 
Sat, March 12th
9:00am: Round 3
11:30am: Round 4
2:00pm: Round 5
5:00pm (approx): Awards ceremony
 
Click here to register...   Registration Form
Sherwood High School: 16956 Southwest Meinecke Road, Sherwood, OR 97140-9356
 
 
2.  Chess Vision Quads

Date: Sun, Mar 13, 2011
Time: 1:00 PM - 5:00 PM
Location: Portland Chess Club (weather)
Category: OR-OSCF Champ. Qualifiers
Description
REGISTRATION
www.chessvision.net

Tournaments are a great way to help players apply knowledge and gain the necessary practical skills to achieve success. The Chess Season Scholastic Quads are half day chess tournaments designed for those busy players who have conflicts on other days of the week. Each tournament counts as one OSCF Qualifier. So get qualified early!

Dates/Times: These Quads (Round Robin Style tournaments) at the Portland Chess Club. Check in typically starts around 12:30 pm and play ends around 5 pm.

Eligibility: The tournaments are NWSRS rated. USCF membership requirement has been discontinued.

Players are ranked high to low by NWSRS rating, then grouped sections into round robin groups for the rest.

Rounds/Times:
- 4 or 5 Rounds for 5 or 6 persons Round Robins
Game/30 (25/5 for time delay clocks)

Awards:
- Cash awards for top round Round Robin group of 6 players (w/a minimum of 15 attendees)
- Non-cash awards for the remaining Round Robins


Enrollment Limit:
- 40 player limit per tournament day. If enrollment exceeds this number for a particular day, then your name will be given priority for the next tournament day.
Registration:
- Entry fee is as follows:
Pre-registration: $15.00 paid in advance

No refunds or date change on prepaid events.

At the door : $20.00

Mail registration with the following information:

Tournament dates desired and child's name to:

Chess Vision Inc.
11918 SE Division St #279
Portland Oregon 97266

Ask about about special rates.
Advanced Registration through www.oscf.org is required by Saturday at noon. Click on Online Registration on the left menu bar on the main page of the website. (Or click on the "More Information" link, below.) If you are not a member of OSCF, you will be asked to enroll (free to all) and then input your registration information.

For more information, contact Tony (503-880-0581 )
FIRST PLACE PRIZE FUND $40
SECOND PLACE PRIZE FUND $20
Minimum 20 players for cash awards
IN CASE OF TIES FOR FIRST PLACE, ONLY THE PRIZE MONEY FOR FIRST PLACE WILL BE SPLIT BETWEEN TIE HOLDERS.

SIMILARLY, IF THERE IS A TIE FOR SECOND PLACE, ONLY THE SECOND PLACE PRIZE MONEY WILL BE SPLIT BETWEEN TIE HOLDERS.

IF THERE ARE THREE OR FOUR WAY TIES FOR FIRST PLACE, THE ENTIRE PRIZE POOL WILL BE DIVIDED AMONG TIE HOLDERS.

YOU MUST HAVE AT LEAST ONE WIN TO WIN A PRIZE.


5 OR 6 PERSON ROUND ROBINS

FIRST PLACE TROPHY
SECOND PLACE TROPHY
THIRD PLACE MEDAL

IN CASE OF TIES FOR FIRST AND SECOND PLACE, A 5 MINUTE BLITZ TIE BREAK WILL BE USED TO AWARD TROPHIES. IF THERE IS A THREE OR MORE WAY TIE, THEN THERE WILL BE A ROUND ROBIN 5 MIN. BLITZ.

IF THERE IS A TIE FOR THIRD PLACE, ALL THIRD PLACE TIE HOLDERS WILL GET MEDALS.

ONLY 1 AWARD PER PERSON PER EVENT.

Contact: Tony
Email: tony@chessvision.net
Phone: 503-880-0581
More Info: www.chessvision.net

Location Details

Portland Chess Club
8205 SW 24th Ave
Portland OR 97219 USA


Directions

From Barbur Blvd., turn NW on SW 24th Ave. Go to the deadend. Club is in the basement of a converted home, below the attorney's office.
Contact: Tony Hann
Phone: 503-880-0581
Location Details
Portland Chess Club
8205 SW 24th Ave
PortlandOR97219USA
Location Contact: Message Phone
Location Phone: 503-246-2978             
Directions
From Barbur Blvd., turn NW on SW 24th Ave. Go to the deadend. Club is in the basement of a converted home, below the attorney's office.

Chess books I recomand

In order of difficulty:

1. Chess Vision study books
2. Bobby Fischer Teaches Chess
3. Chess Tactics for Students
4. The Chess Tactics Workbook 
5. Pandolfini's Endgame Course

Pictures from our first open tournament: "V" from victory!

Thursday, March 3, 2011

Your homework for next week:

Just click, print, solve and bring to the club next week!
 

Links that might answer some of your questions

Oregon Scholastic Chess Federation is the main site you will need. Here you can find info about past and future tournaments, ratings, Seaside State tournament:
http://oscf.org/

From that site you can get here for:

1) Oregon tournament reports: http://chess.ratingsnw.com/tournreports.html?state=OR&when=season  , also our Happy Valley Elementary is listed there: http://chess.ratingsnw.com/report10-11/HappyValleyFirst.html

2) Details about State tournament at Seaside:
http://oscf.org/files/2011_OSCF_Champs.pdf

3) Very useful link is the calendar for scholastic tournaments in OR (green letters) and WA:
http://www.calendarwiz.com/calendars/calendar.php?crd=nwsrsevents&

4) For up to date Ratings:
http://chess.ratingsnw.com/ratings.html
Just pick the first letter of the player last name on the left and search alphabetically in the data provided.


Here is another site that can be used to find kids ratings, the only minus is that some time the updates are delayed:
http://myrating.chess4life.com/nwsrs_players/search