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Adjust weights and pips calculation

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This commit is contained in:
Trevor Slocum 2023-12-02 19:49:22 -08:00
parent f41a9bd734
commit 89331e1220
1 changed files with 16 additions and 12 deletions
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28
board.go
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@ -8,9 +8,9 @@ import (
)
var (
WeightBlot = 2.0
WeightHit = -2.0
WeightOppScore = -1.0
WeightBlot = 1.5
WeightHit = -1.5
WeightOppScore = -0.25
)
const (
@ -292,16 +292,12 @@ func (b Board) Past(player int) bool {
func (b Board) Pips(player int) int {
var pips int
if player == 1 {
pips += int(b.Checkers(player, SpaceBarPlayer)) * (25 + 12)
pips += int(b.Checkers(player, SpaceBarPlayer)) * (50 + 12)
} else {
pips += int(b.Checkers(player, SpaceBarOpponent)) * (25 + 12)
pips += int(b.Checkers(player, SpaceBarOpponent)) * (50 + 12)
}
for space := 1; space < 25; space++ {
v := spaceValue(player, space) + 6
if (player == 1 && space > 6) || (player == 2 && space < 19) {
v += 6
}
pips += int(b.Checkers(player, space)) * v
pips += int(b.Checkers(player, space)) * pseudoPips(player, space)
}
return pips
}
@ -314,7 +310,7 @@ func (b Board) Blots(player int) int {
if checkers != 1 {
continue
}
pips += int(checkers) * spaceValue(o, space)
pips += int(checkers) * pseudoPips(o, space)
}
return pips
}
@ -373,7 +369,7 @@ func queueAnalysis(a *Analysis, w *sync.WaitGroup, b Board, player int, availabl
checkers := b.Checkers(o, move[1])
hs := startingHitScore
if checkers == 1 {
hs += spaceValue(o, move[1])
hs += pseudoPips(o, move[1])
}
a := &Analysis{
@ -512,6 +508,14 @@ func spaceValue(player int, space int) int {
}
}
func pseudoPips(player int, space int) int {
v := spaceValue(player, space)*2 + 6
if (player == 1 && space > 6) || (player == 2 && space < 19) {
v += 6
}
return v
}
func spaceDiff(from int, to int) int {
if from < 0 || from > 27 || to < 0 || to > 27 {
return 0