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Topic: Swap2 Effect on First Player Advantage
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t0afer

Posts: 38
Registered: Jan 7, 2021
Age: 30
Swap2 Effect on First Player Advantage
Posted: Jan 18, 2021, 7:45 AM

Does anyone have any numbers on how effective the swap2 rule has been on mitigating First Player Advantage in Gomoku? And whether or not this would work for high level Pente or Keryo Pente?



t0afer

Posts: 38
Registered: Jan 7, 2021
Age: 30
Re: Swap2 Effect on First Player Advantage
Posted: Jan 22, 2021, 10:56 PM

I did some digging and found a database of Gomoku tournaments on Gomokuworld.com

The Results were pretty impressive

Gomoku Tournaments with Pro opening rule (1989, 1991, 2004, 2008)
Total = 254
B 169 W 85
FPA = 66.5%

Gomoku Tournaments with swap2 opening rule (2010 to 2019)

Total = 5177
B 2692 W 2485
FPA = 52%

Source: Gomokuworld.com game database


Message was edited by: t0afer at Jan 22, 2021, 11:01 PM


t0afer

Posts: 38
Registered: Jan 7, 2021
Age: 30
Re: Swap2 Effect on First Player Advantage
Posted: Jan 22, 2021, 11:00 PM

Pulling Info from the Database here at Pente.org I was able to get these results for a Pente Comparison. It looks like a swap2 pente may well be the way to go for high level Pente play. It seems very effective at mitigating First Player Advantage in a way the Pro tournament and the normal swap rules are not.

Pente with Tournament Rule (Pro):

Rated Games above 2200
3,291
W 2,005 B 1,286
60.9% FPA

Rated Games above 2000
17,084
W 10,105 B 6979
59.14% FPA

Rated Games above 1800
59,697
W 34,328 B 25,369
57.5% FPA

Keryo Pente with Tournament Rules (Pro):

Rated Games above 2000
885
W 525 B 360
59.3% FPA

Rated Games above 1800
3,565
W 2059 B 1506
57.7% FPA

watsu

Posts: 1,182
Registered: Dec 16, 2001
Re: Swap2 Effect on First Player Advantage
Posted: Jan 23, 2021, 4:52 PM

I can't add to your gathered stats currently, but vint.ee switched both gomoku and Pente (both from single swap) to swap 2 a bit under a year ago, I think.

Retired from TB Pente, but still playing live games & exploring variants like D, poof and boat
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