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February 27th, 2022

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Winter League 2021

Winter league 2021 took place from June to November, with 12 players taking part. Players ranged from 3d to 7k in strength. Once again, the tournament used a McMahon style with pairing pre-drawn based on player ranks at the start of the tournament. The bar was set at 3k for this season.

Congratulations to Chris, who won the league for the second year in a row, with straight wins. Andrew and Andre placed second and third respectively. Michael was promoted back to 4k during the tournament.

1Chris Welsh3d
2Andrew Davies3d
3Andre Connell2d
4Rocco Vivier2k
5Lloyd Rubidge1d
6Ben Bredenkamp1k
7James Nicolson1k
8Christiaan Maasdrop3k
9Michael Rapson4k
10Paul Edwards1d
11Gordon Wells7k
12Fred Strauss7k

Posted by Michael Rapson as Rank Changes, Tournaments, Uncategorized, Winter League at 1:11 PM, No Comments »

September 26th, 2021

SA Closed tournament: Contenders 2021 results

Contenders was once again held primarily online, using the South Africa room of OGS as the main venue. Players were also given the option of meeting up and playing “over the board” with opponents in their area.

Victor took first place, again with straight wins. Not all the games were as comfortable, however. Andrew managed to keep his game against Victor within 10 points throughout, and Chris had a 15 point lead at move 80 that he didn’t manage to convert. The fight for second was fierce. Andre’s win vs Andrew left him with all to play for in the final game vs Chris. When Chris held on to his 1.5 point lead in end game, David’s early upset win against Andre left Andre on 4 points. This handed Andrew second place, with the tie breaker being Andrew’s head to head win vs Chris.

There was a three way tie between the lower four players, with Christiaan, Rocco, and David all on 2 wins. Christiaan took 5th place, with Rocco in 6th. Head to head games were again the tie breaker. David’s upset win against Andre unfortunately only earned him 7th place, with Ben taking a point off Christiaan.

Congratulations to Christiaan and Rocco who participated in Contenders for the first time. Christiaan also earned promotion to 2k after his win against David.

1Victor Chow, 7d7
2Andrew Davies, 3d5Tie breaker: Andrew beat Chris
3Chris Welsh, 3d5
4Andre Connell, 2d4
5Christiaan Maasdorp, 2k2Tie breaker: Christiaan beat Rocco and David
6Rocco Vivier, 2k2Tie breaker: Rocco beat David
7David Gale, 1k2
8Ben Bredenkamp, 1k1
Final Standings

Posted by Michael Rapson as Rank Changes, SAGA, Tournaments, Uncategorized at 7:54 PM, No Comments »

May 2nd, 2021

Candidates 2021 results

The “Candidates” stage of the SA Closed tournament was played this weekend, May 1 and 2. Each day is a three round Swiss tournament, with the top four players from day one progressing to day two. The top for players from day two move on to the “Contenders” stage of the tournament.

Day one saw an upset with Fred Strauss beating James Gelant in the first round. James managed to stabilise in the next two games, and then went on to win day two. Three players who played day one went on to qualify for Contenders. All three will be playing in Contenders for the first time in 2021. Congratulations to Rocco, Christiaan, and James Gelant. They also earned promotions based on their performance. They are now 2k, 3k, and 3k respectively.

David Gale also secured his place at Contenders. He previously qualified for the tournament in 2018.

Day One:
1: Rocco Vivier
2: Christiaan Maasdorp
3: Michael Rapson
4: James Gelant
5: Fred Strauss
6: James Nicolson
7: Gordon Wells

Day Two:
1: James Gelant
2: Rocco Vivier
3: Christiaan Maasdorp
4: David Gale
5: Michael Rapson
6: Ben Bredenkamp
7: Paul Edwards
8: Paul Steyn

Positions 2-4 and 5-7 are determined by “sum of opponent scores”.

Posted by Michael Rapson as Rank Changes, SAGA, Tournaments, Uncategorized at 9:17 PM, No Comments »

April 19th, 2020

Candidates 2020 day two results

Candidates day two was played on OGS today, April 19. This tournament selects four players to progress to Contenders later in the year. Paul Edwards, Paul Steyn, Ben Bredenkamp, and Lloyd Rubidge are the four who qualified. Congratulations especially to Paul Steyn who made it through for the first time this year, having come close the last few years.

Final standings:
1: Paul Edwards, 3 wins
2: Paul Steyn, 2 wins, 2nd by SOS
3: Ben Bredenkamp, 2 wins, 3rd by SOSOS
4: Lloyd Rubidge, 2 wins
5: Michael Rapson, 1 win, 5th by SOS
6: Christiaan Maasdorp, 1 win, 6th by SOS
7: James Nicolson, 1 win
8: David Gale, 0 wins

Congratulations also to the players who earned rank changes during the Candidates tournament. They are:
David Gale, 1k
Christiaan Maasdorp, 4k
James Gelant, 4k

Posted by Michael Rapson as Rank Changes, SAGA, Tournaments, Uncategorized at 6:20 PM, No Comments »

May 7th, 2018

Andre at WAGC 2018

An update on my results at WAGC 2018 – started poorly but finished well ending on 4 wins & 4 losses. My SOS tiebreaker is bad due to the early losses so I will end up as one of the lowest 4 win players. Will update final position in comments after last round is finished.

Update: final position 40/61 – lowest SOS of all 4/8 players.

Posted by Andre as Uncategorized, WAGC at 8:22 AM, No Comments »

September 8th, 2017

Korea News

Best of luck to Chris Welsh! Chris will be representing South Africa for the 2017 Korea Prime Minister’s Cup. The competition runs from the 9th to the 15th of September (if anyone knows how to follow the results online, please comment below)

And congratulations to Paul Steyn! Paul has been selected to undergo instructor training, sponsored by the Korea Baduk Association (13th to 22nd November)

Posted by Gordon Wells as Uncategorized at 1:39 PM, No Comments »

May 17th, 2017

Burn Go

Dirk and Dirk playing at AfrikaBurn 2017


Posted by Gordon Wells as Uncategorized at 5:29 PM, No Comments »

May 9th, 2017

Game of Go explains zeolite clogging

I’ve often thought the similarities between chemistry and Go deserve more attention


Posted by Gordon Wells as Uncategorized at 4:03 PM, No Comments »

March 12th, 2017

Japan Day 2017 – Blaauwklippen Wine Estate









Posted by Gordon Wells as Uncategorized at 5:59 PM, No Comments »

January 7th, 2017

The Master game records

For those who don’t yet know, Deepmind’s AlphaGo (aka “The Master”) has notched a string of 60 plus victories against top pros online. This zip file should have most of the recent game records.

Posted by Gordon Wells as Uncategorized at 10:24 PM, No Comments »

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