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MCA Calendar

December 2019
S M T W T F S
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30 31 1 2 3 4

Scholastic

 

 

Clubs & Organizations: Local, State, National, & International

 

 

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A skittles room is where players play casual, unrated games of chess commonly referred to as skittles games. Skittles is a centuries-old European bowling game played on British lawns and pubs and in German beer halls and beer gardens in which a wooden ball is rolled to knock over wooden pins (skittles). Casual games of chess might have been given the nickname skittles games because during casual games of chess (particularly fast Blitz games) chess pieces (which used to be made exclusively of wood) can fly all over (and off!) the board the same way wooden pins do when struck by a wooden ball.

Sources:

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MD Chess awards trophies to tied players (players with the same final score) in descending order according to US Chess's 4 most standard tiebreak methods—not according to the players' post-tournament unofficial US-Chess ratings. That's why there can frequently be a discrepancy between how players with tied scores are ranked in MD Chess's crosstables (where tied players are listed in descending order of their tiebreaks) and in US Chess's crosstables (where tied players are listed in descending order of their subsequent unofficial US-Chess rating).

Here's a sample of MD Chess's crosstables:

#

Name

Rd 1

Rd 2

Rd 3

Rd 4

Tot

TBrk[M]

TBrk[S]

TBrk[C]

TBrk[O]

1

Player A

W9 (w)

W2 (b)

D5 (w)

D3 (b)

3

8.5

9.5

8.5

23.5

2

Player B

W4 (b)

L1 (w)

W6 (b)

W8 (w)

3

8

9

7

24

3

Player C

D6 (b)

W7 (w)

W8 (b)

D1 (w)

3

6.5

7.5

7.5

20.5

4

Player D

L2 (w)

W10 (b)

W9 (w)

W5 (b)

3

6.5

6.5

6

16

5

Player E

W7 (b)

W8 (w)

D1 (b)

L4 (w)

2.5

7.5

8.5

8

21

6

Player F

D3 (w)

W9 (b)

L2 (w)

D7 (b)

2

4.5

8.5

5.5

18

7

Player G

L5 (w)

L3 (b)

W10 (w)

D6 (w)

1.5

4.5

7.5

2.5

21

8

Player H

W10 (w)

L5 (b)

L3 (w)

L2 (b)

1

5.5

8.5

4

22.5

9

Player I

L1 (b)

L6 (w)

L4 (b)

W10 (w)

1

5

8

1

20

10

Player J

L8 (b)

L4 (w)

L7 (b)

L9 (b)

0

3.5

6.5

0

13.5

From left to right, the 4 tiebreak methods are listed in descending order of importance. Tied players are ranked initially according to the 1st tiebreak method (TBrk[M]); if they remain tied there, then they are ranked secondarily according to the 2nd tiebreak method (TBrk[S]); … 3rd tiebreak method (TBrk[C]); … 4th tiebreak method (TBrk[O]).

1. TBrk[M] : Modified Median
The sum of a player's opponents' scores with the following modifications:

      • If a player has a positive score (≥2.5/4), then subtract the lowest opponent's score;
      • If a player has an even score (2/4), then subtract both the lowest & the highest opponents' scores;
      • If a player has a negative score (≤1.5/4), then subtract the highest opponent's score.

If an opponent received a full-point (1) bye (B) for an unplayed game in a round, then the opponent's score for that round counts as a half-point (.5). (When there is an odd # of players in a section, 1 player cannot be paired during a round and receives a full-point bye for the unplayed game; that player will usually be the lowest-rated player in the lowest score group.)

Exception: In a section with only 1 or 2 rounds, Modified Median will revert from the most important (1st) to the least important (4th) tiebreak method.

2. TBrk[S] : Solkoff
The sum of a player's opponents' scores without the modifications applied in the Modified Median tiebreak method.

If an opponent received a full-point (1) bye (B) for an unplayed game in a round, then the opponent's score for that round counts as a half-point (.5). (When there is an odd # of players in a section, 1 player cannot be paired during a round and receives a full-point bye for the unplayed game; that player will usually be the lowest-rated player in the lowest score group.)

3. TBrk[C] : Cumulative
The sum of a player's total score at the end of each round.

Subtract 1 point for any round in which the player received a full-point (1) bye (B).

4. TBrk[O] : Cumulative of Opposition
The sum of all opponents' cumulative scores.

To learn more about US Chess's tiebreak methods, click on the links below:

To review a player's results at MD Chess's scholastic chess tournaments, click on any tournament-announcement page on MD Chess's home page, scroll down to the following crosstables, & then locate the specific tournament:

Results of the Tournament

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Maryland Chess

PROVISIONAL Scholastic Tournament Calendar 2018 - 2019 v6

(most recent version: 2018.09.13; changes in red)

A tournament is merely provisional until registration for it has been activated

Contact MD Chess at This email address is being protected from spambots. You need JavaScript enabled to view it.

Date

Tournament

Site

Confirmed

2018.09.08

MD Chess Roland Park September

Roland Park EMS

2018.09.22

MD Chess Liberty Christian

Liberty Christian S

2018.10.06

MD Chess McDonogh

McDonogh S

2018.10.20

MD Chess Perry Hall

Perry Hall MS

2018.11.03

Percy Memorial

Roland Park EMS

2018.11.17

MD Chess Roland Park November

Roland Park EMS

2018.12.01

MD Chess Severn

Severn S

2018.12.15

Greater Baltimore Championships

Poly & Western HSs

2019.01.19

Mid-Atlantic Grade Championships

Poly & Western HSs

2019.02.02

MD Chess Roland Park February I

Roland Park EMS

2019.02.16

Greater Mid-Atlantic Championship

Poly & Western HSs

2019.02.23

MD Chess Roland Park February II

Roland Park EMS

2019.03.02-03

MD Sweet 16 (Invitational)

UMBC

2019.03.23

MD Elementary-School Championships

Poly & Western HSs

2019.03.30-31

MD High-School & Middle-School Championships

Roland Park EMS

2019.04.06

Mid-Atlantic Junior Championship: Mednick Memorial

Perry Hall MS

2019.04.13

MD Girl Championship

Cathedral S

2019.05.18

Mid-Atlantic Spring Championship

Roland Park EMS

2019.06.01

MD Chess Roland Park June

Roland Park EMS

2019.06.08

Mid-Atlantic Blitz & Bughouse Championships

Roland Park EMS

 

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If a player is registered for a section for which the player is ineligible by grade, then MCA will take 1 of 2 steps. If MCA thinks a player has been registered intentionally so as to play up or down in a grade-inappropriate section (in the hope of either stronger or weaker competition), then (without notification) MCA will move the player to a grade-appropriate section. (MCA might also impose punitive measures.) Conversely, if MCA thinks a player has been registered accidentally with a discrepancy that, given the player's designated grade, renders the player ineligible for the player's selected section, then (without notification) MCA will pair the player in a section according to whichever is higher: the designated grade or the selected section. For example, a player designated as a 3rd grader but registered in a HS-&-MS or 9th-grade section, will remain in the HS-&-MS or 9th-grade section; conversely, a player designated as a 9th grader but registered in an ES or 3rd-grade section, will be moved to a HS-&-MS or 9th-grade section. Why? Because MCA considers it wiser to err on the side of accidentally letting a player in a low grade play against players in a higher grade or grades, than of accidentally letting a player in a high grade play against players in a lower grade or grades. To prevent your player from being paired in an incorrect section (by grade) because of a registration error, please review both the registration-confirmation email MCA sent you & the Wallcharts below. Send corrections to MCA at This email address is being protected from spambots. You need JavaScript enabled to view it..

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