[computer-go] Heuristics for MC/UCT with all-or-nothing payouts

2007-06-10 Thread Eric Boesch
The UCT heuristic of trying every child of a node once before trying any child twice is reasonable when the payoff distribution is unknown. Why try the lever that paid $5 a second time if there might be another lever that pays $1,000,000? But when the set of possible payoffs is known to be {1,

Re: [computer-go] Heuristics for MC/UCT with all-or-nothing payouts

2007-06-10 Thread Brian Slesinsky
With repeat-winners, if there is a move is seems flawless at first but some flaw is eventually found, there might be a rough transition once the flaw is identified, since there is no backup plan. It might make more sense to study two apparently flawless children equally until a flaw is found in

Re: [computer-go] Congratulations to GNU and to MoGoBot19!

2007-06-10 Thread compgo123
Just one comment. The statement that 'it (CrazySton) has a 2k rating on KGS...' could be misleading. Crazystone never achived 2k rating against human player in real gemes. It achieved the ranking by basically winning on time. Daniel Liu -Original Message- From: Nick Wedd [EMAIL

Re: [computer-go] Congratulations to GNU and to MoGoBot19!

2007-06-10 Thread Don Dailey
On Sun, 2007-06-10 at 21:40 -0400, [EMAIL PROTECTED] wrote: Just one comment. The statement that 'it (CrazySton) has a 2k rating on KGS...' could be misleading. Crazystone never achived 2k rating against human player in real gemes. It achieved the ranking by basically winning on time.

Re: [computer-go] Congratulations to GNU and to MoGoBot19!

2007-06-10 Thread Jeff Nowakowski
On Sun, 2007-06-10 at 22:19 -0400, Don Dailey wrote: Did something happen that unfairly caused the player to lose on time? No, but the games were absolute time games where CrazyStone was often in a losing position but ended up winning on time. The endgame in Go takes a long time but is mostly

Re: [computer-go] Congratulations to GNU and to MoGoBot19!

2007-06-10 Thread Don Dailey
On Sun, 2007-06-10 at 22:42 -0400, Jeff Nowakowski wrote: On Sun, 2007-06-10 at 22:19 -0400, Don Dailey wrote: Did something happen that unfairly caused the player to lose on time? No, but the games were absolute time games where CrazyStone was often in a losing position but ended up

Re: [computer-go] Congratulations to GNU and to MoGoBot19!

2007-06-10 Thread steve uurtamo
byo-yomi is important for go, or at the very least, canadian time standards. s. - Original Message From: Jeff Nowakowski [EMAIL PROTECTED] To: [EMAIL PROTECTED]; computer-go computer-go@computer-go.org Sent: Sunday, June 10, 2007 10:42:50 PM Subject: Re: [computer-go] Congratulations