此 has 6 strokes, 些 has 7 strokes, 柴 has 9 strokes, and 砦 has 10 strokes. The 此 in the jinmeiyou kanji in which it appears (except for itself) is written with the leftmost and bottom stroke of 止 written as the katakana "re". Kanji Kentei Kanji Dictionary mentions this, as well.
此 has 6 strokes, 些 has 7 strokes, 柴 has 9 strokes, and 砦 has 10 strokes. The 此 in the jinmeiyou kanji in which it appears (except for itself) is written with the leftmost and bottom stroke of 止 written as the katakana "re". Kanji Kentei Kanji Dictionary mentions this, as well.