diff --git a/internal/math/vec.go b/internal/math/vec.go
index 8f23fdd..140928b 100644
--- a/internal/math/vec.go
+++ b/internal/math/vec.go
@@ -2,6 +2,7 @@ package math
 
 import (
 	"encoding/json"
+	"fmt"
 )
 
 type Vec struct {
@@ -9,6 +10,8 @@ type Vec struct {
 	Y int
 }
 
+func (v Vec) String() string { return fmt.Sprintf("(%d, %d)", v.X, v.Y) }
+
 func (v Vec) MarshalJSON() ([]byte, error) {
 	return json.Marshal([2]int{v.X, v.Y})
 }
diff --git a/internal/sim/player.go b/internal/sim/player.go
index 1b155a0..ed5ec80 100644
--- a/internal/sim/player.go
+++ b/internal/sim/player.go
@@ -180,7 +180,7 @@ func (Move) NetTag() string { return "move" }
 func (m *Move) exec(w *world, r *room, p *player, seq int) result {
 	pos := p.avatar.Position
 	target := pos.Add(math.Vec(*m))
-	p.Info("running move for player %s from %v to %v", p.name, *m, target)
+	p.Info("running move for player %s from %v to %v", p.name, p.avatar.Position, target)
 	if !r.Contains(target) {
 		return result{reply: wire.Errorf("target cell (%d, %d) is out of bounds", target.X, target.Y)}
 	}
diff --git a/internal/sim/room.go b/internal/sim/room.go
index 5a1d68b..cbf7373 100644
--- a/internal/sim/room.go
+++ b/internal/sim/room.go
@@ -60,6 +60,6 @@ func (r *room) getTile(pos math.Vec) *tile {
 	if !r.Contains(pos) {
 		return nil
 	}
-	n := pos.X*r.Width + pos.Y
+	n := r.Width*pos.Y + pos.X
 	return &r.tiles[n]
 }
diff --git a/internal/sim/world.go b/internal/sim/world.go
index 487352f..014ed18 100644
--- a/internal/sim/world.go
+++ b/internal/sim/world.go
@@ -173,8 +173,15 @@ func (w *world) handleRequest(req Request) {
 
 func (w *world) register(c connect) {
 	w.Info("register: %#v", c.login)
-	foyer := w.rooms["foyer"]
-	if len(foyer.players) >= 100 {
+
+	r := w.rooms["foyer"]
+	if hall, ok := w.rooms["hall"]; ok {
+		if len(hall.players) < len(r.players) {
+			r = hall
+		}
+	}
+
+	if len(r.players) >= 100 {
 		c.failed <- fmt.Errorf("room is full")
 		close(c.failed)
 		return
@@ -190,11 +197,11 @@ func (w *world) register(c connect) {
 			Wants: &spawnPlayer{},
 		},
 	}
-	foyer.players[c.login.Name] = &p
+	r.players[c.login.Name] = &p
 	w.players[c.login.Name] = &p
 
 	w.Info("starting player...")
-	p.start(w.inbox, c.conn, foyer)
+	p.start(w.inbox, c.conn, r)
 }
 
 func (w *world) stop() error {