Negative 1♦

1♣-1♦-ART NEG, 0–7
1♥!F, 4+♥ or BAL 20–24
1♠16–20, 5+♠ or UNBAL 4=♠
1NT17–19, 2–4♠, 2–4♥, 2–6♦, 2–6♣
2♣16–20, 5+♣, 0–3♠, 0–3♥
2♦16–20, 5+♦, 0–3♠, 0–3♥
2♥!P/C, 16–20, 4=♥, 5+♣
2♠21–23, 5+♠ or UNBAL 4=♠
2NTFG, 0–3♥ or BAL 4=♥
3♣21–23, 6+♣, 0–3♠, 0–3♥
3♦21–23, 6+♦, 0–3♠, 0–3♥
3♥21–23, 2–3♥, 5+ 4+ in minors
3♠21–23, 2–3♠, 5+ 4+ in minors

Dutch doubleton 1♥

1♣-1♦-1♥-F, 4+♥ or BAL 20–24
1♠!NF ART NEG, 0–4, 0–5♠, 0–5♥
1NTMAX, 5–7, 0–4♠, 0–2♥
2♣!MAX, 5–7, 5+♠, 0–3♥
2♦!MAX, 5–7, 3=♥
2♥MAX, 5–7, 4=♥
2♠PRE, 0–4, 6+♠
2NT!MAX, 5–7, 5=♥
3♣♦!SPL, 5–7, 0–1#, 5=♥
3♥PRE, 0–4, 6+♥
3NT!MAX, 5–7, 6+♥
3♠!, 4♣♦!SPL, 5–7, 0–1#, 6+♥
1♣-1♦; 1♥-1♠-NF, 0–4
P16–20, 4+♠
1NT20–22, 2–4♠, 2–4♥, 2–6♦, 2–6♣
2♣!16–20, 4–5♥, possibly 5+♦
2♦!21–23, 5+♥ or UNBAL 4=♥
2♥16–20, 6+♥
2♠!FG, 5+♥
2NT23–24, 2–4♠, 2–4♥, 2–6♦, 2–6♣
3♣FG, 4=♥, 5+♣
3♦FG, 4=♥, 5+♦
3♥!FG, 4414 or 4405
3♠!FG, 4441 or 4450
3NTFG, 1444 or 04(54)