Search found 211 matches

by clp
Wed Dec 31, 2025 20:32
Forum: het Nieuwe Forum
Topic: Tiebreak
Replies: 84
Views: 106655

Oudejaars Sneldamtoernooi van IJmuiden 2025 (Blitz)


SB...... Sonneborn-Berger
f-bets.. fair bets

Pl FMJD-id Title Name Cn FMJD Pt N + = - Pts SB Rk f-bets
1 1 10383 mi Johan Wiering nl 2273 27 22 9 9 4 27 570 1 31.735
2 2 10017 gmi Hein Meijer nl 2274 27 22 9 9 4 27 564 2 31.654
3 3 10937 mi Ivo de Jong nl 2233 26 22 8 10 4 26 556 3 29.810
4 4 ...
by clp
Sat Jul 12, 2025 18:05
Forum: het Nieuwe Forum
Topic: Tiebreak
Replies: 84
Views: 106655

FMJD World Cup ✭✭✭ Riga Open 2025

FMJD World Cup ✭✭✭ Riga Open 2025


rElo...... Relatieve Elo rating, FMJD Annex 5, Appendix D. Tournament performance rating.
A400..... AVG 400, lsq / Par * 800, lsq = grs(ε = 0, γ = 1), A400 ≈ rElo between [-300, +300].
L400..... Laplace`s rule of succession, L400 = grs(ε = 2, γ = 1/Par ...
by clp
Tue Jul 01, 2025 16:59
Forum: Technical
Topic: Rating #125 - Ukraine?
Replies: 1
Views: 43180

Rating #125 - Ukraine?

Note: Nationality Ukraine disappeared from FMJD rating list A #125 July/September 2025 (page 3-90).

Unfortunately, I have not been able to find an explanation.

5. Various sub-ratings, p 52

Countries

Open
1). = Netherlands 2425 -5
2). = Israel 2352 +2
3). +1 Cameroon 2307 -3
4). +1 France ...
by clp
Tue Jun 24, 2025 17:11
Forum: Technical
Topic: DrA, wrong tiebreak
Replies: 0
Views: 29142

DrA, wrong tiebreak

Tiebreak definition:
From: FMJD annexes, 5.11.1.2.1. For round robin tournaments (p31)

"the best results obtained in order of the classification"

There is something weird with this definition. Output is a desired sequence. But this is also the input.

We can rephrase the definition based on ...
by clp
Tue Jun 24, 2025 10:33
Forum: het Nieuwe Forum
Topic: Tiebreak
Replies: 84
Views: 106655

WC 2025 - Final

World Championship 2025 - Final


rElo...... Relatieve Elo rating, FMJD Annex 5, Appendix D. Tournament performance rating.
A400..... AVG 400, lsq / Par * 800, lsq = grs(ε = 0, γ = 1), A400 ≈ rElo between [-300, +300].
L400..... Laplace`s rule of succession, L400 = grs(ε = 2, γ = 1/Par) * 800 ...
by clp
Tue Jun 10, 2025 13:39
Forum: Draughts, Computer, Internet
Topic: Funny game
Replies: 6
Views: 35466

Re: Funny game - second example

Composition Andreas Kuijken

This example is more challenging. The engine has to understand that loss is imminent and take the appropriate action.

[Event "Composition"]
[Date "2025.06.10"]
[White ""]
[Black "Andreas Kuijken"]
[Result "0-2"]
1. 33-28 18-23 2. 31-27 20-24 3. 34-30 17-21 4. 37-31 ...
by clp
Thu Jun 05, 2025 17:56
Forum: Technical
Topic: DAP - Draughts Arbiter Pro
Replies: 4
Views: 56058

DAP - forfeit draws?

Suppose in a Swiss tournament players miss the first round.
The arbiter wants to give these players a draw by a bye (half point bye).
The question is: can this be done in Draughts Arbiter Pro and, if so, how?

Or suppose the arbiter wants to award a forfeit draw to two equally strong players.
How ...
by clp
Wed May 21, 2025 13:51
Forum: het Nieuwe Forum
Topic: Tiebreak
Replies: 84
Views: 106655

UEFA Champions League layout

Dit jaar is het formaat van de Champions League grondig gewijzigd. Wat heeft dit met dammen te maken? Ook onze competitie wordt statisch ingedeeld in Ereklasse, Hoofdklasse, 1e en 2e klasse. Stel dat je in één groep wil spelen b.v. voor de KNDB beker, dan kan het Champions League formaat een ...
by clp
Mon Apr 28, 2025 20:41
Forum: het Nieuwe Forum
Topic: Tiebreak
Replies: 84
Views: 106655

Bourges International Open 2025, World Cup ***

Are rElo, A400, L400 roughly equivalent to Solkoff, Solkoff plus in standard FMJD Swiss (on Solkoff)?

rElo..... relatieve Elo rating, FMJD Annex 5, Appendix D. Tournament performance rating.
A400... AVG 400
L400.... Laplace rule of succession [-400, 400], Colley Matrix

==> Unaniem (3x ...
by clp
Mon Apr 21, 2025 16:58
Forum: het Nieuwe Forum
Topic: Tiebreak
Replies: 84
Views: 106655

Paastoernooi Amsterdam Noord-Holland 2025

Spannend, op de valreep gewonnen door Luuk.
Dankzij de overwinning van Bé Eggens op Kries Kalidin in de slotronde.


rElo..... relatieve Elo rating (Elo - Ch 3.4)
A400... AVG 400
L400.... Laplace rule of succession [-400, 400], Colley Matrix
F-bets.. Scoring of Web Pages and Tournaments ...
by clp
Sun Apr 06, 2025 10:39
Forum: het Nieuwe Forum
Topic: LEAP klokken
Replies: 2
Views: 3178

Re: LEAP klokken - geheugen posities?

Heeft deze klok geheugen posities om een programma op te slaan?
by clp
Sun Nov 17, 2024 16:35
Forum: het Nieuwe Forum
Topic: Tiebreak
Replies: 84
Views: 106655

Lishui Open World Cup China 2024


rElo..... relatieve Elo rating (Elo - Ch 3.4)
A400... AVG 400, Verwachtinsfunctie A400 = DP / 800 + 50%
Lapl.... Colley Matrix (Laplace rule of succession)
F-bets.. Scoring of Web Pages and Tournaments -Axiomatizations , Slutzki & Volij, 2004.


Rk Title Name Fed. Pts TB1 TB2 N + = |A400|Rk ...
by clp
Tue Jun 11, 2024 14:38
Forum: het Nederlands
Topic: Rekenregels Rating KNDB 2024
Replies: 0
Views: 36182

Rekenregels Rating KNDB 2024

Rekenregels Rating KNDB 2024

Een nieuwe versie van Rekenregels Rating KNDB is gepubliceerd. Ten opzichte van de vorige 2022 versie zijn er diverse wijzigingen doorgevoerd, waaronder:

Een fragment onbegrijpelijke tekst is verwijderd.
De grens ≥ 30 is veranderd in > 30.
De grenzen ≤ 150, 200 ...
by clp
Fri Jun 07, 2024 15:35
Forum: het Nieuwe Forum
Topic: Tiebreak
Replies: 84
Views: 106655

EC classic Chianciano Terme 2024

Opnieuw een afgetekende overwinning voor Jan Groenendijk.
Jan scoorde +4. Zijn concurrenten bleven steken op +2.


rElo..... relatieve Elo rating (Elo - Ch 3.4)
A400... AVG 400, Verwachtinsfunctie A400 = DP / 800 + 50%
Lapl.... Colley Matrix (Laplace rule of succession)
f-bets.. fair bets ...
by clp
Wed May 15, 2024 17:49
Forum: het Nieuwe Forum
Topic: Moeten rekenregels KNDB-rating veranderd worden?
Replies: 5
Views: 7176

Re: Moeten rekenregels KNDB-rating veranderd worden?

Voorstel.

No = Aantal partijen vóór de ratingdatum.
Cmax = 800 / (2 * N).
Rn = Ro + C * som(WP - NP).
PcN = (WP - NP) / (2 * N).
+-------+----------+-----+-------+-----+
| Rating| No | N | PcN | C = |
+-------+----------+-----+-------+-----+
| Geen | | | | Cmax|
| Ro | < 25 | | | Cmax|
| Ro ...