I suggest playing Gladiator at (1M) 1NT, which is more effective against a major
suit opening, especially 1♠. Aggressor can have 5 hearts at (1♠) 1NT because 2♥
would be an underbid. We get an additional cuebid to invite with 3 hearts,
roughly equivalent to Puppet Stayman. There is also an indirect 3NT for choice
of games with 3 hearts.
This version of Gladiator originates from a BTU gadget.
(1♠) 1NT
(1♠) 1NT-
STR ~BAL
2♣!
(R), Gladiator
2♦♥
INV, 5+#
2♠!
STAY, INV+, 4=♥
2♠ 3♠!
Choice of games, e.g. MAX 3433
2NT!
NF INV, 5+♣
3X
FG, 5+#
3♠!
SPL, 0–1♠, 4=♥
4♣♦!
Leaping Michaels, 5+♥, usually 5+#
4♥
S/O, 6+♥
4♠!
Leaping Michaels, 5+♦, 5+♣
(1♠) 1NT-2♣
Gladiator
2♦!
P/C
2♥!
P/C, 5+♦
2♠!
MAX, 4=♥, 4+♦
(1♠) 1NT-2♣ 2♦-
P/C
P
S/O, 5+♦
2♥
S/O, 5+♥
2♠!
INV, 3=♥
2NT
BAL INV
3♣
S/O, 6+♣
3♦♥
INV, 6+#
3♠!
SPL, 0–1♠, 0–3♥
3NT!
Choice of games, 3=♥
Slow 3NT still has 3=♥ if RHO bids up to 2NT.
(1♠) 1NT (2♣♦♥♠)
-
2NT!
TRF LEB
3♣!
TRF INV+, 5+♦
3♦!
TRF INV+, 5+♥
3♥!
FG STAY, 4=♥
3♠!
SPL, 0–1♠, 4=♥
(1♠) 1NT (2♣♦♥♠) 2NT
TRF LEB
3♣!
P/C
3♣-3♠!
SPL, 0–1♠, 0–3♥
3♣-3NT!
Choice of games, 3=♥
3♦!
P/C, 5+♣
3♥!
P/C, MAX, 4+♦, 4+♣
(1♠) 1NT (2NT) - (3♠-P)
-
X
PEN, 3=♥
3NT!
Choice of games, 3=♥
I have not yet come up with how we utilize the slow cuebid.
(1♥) 1NT
(1♥) 1NT-
STR ~BAL
2♣!
(R), Gladiator
2♦♠
INV, 5+#
2♥!
STAY, INV+, 4=♠
2♥ 3♥!
Choice of games, e.g. MAX 4333
2NT!
NF INV, 5+♣
3X
FG, 5+#
3♥!
SPL, 0–1♥, 4=♠
4♣♦!
Leaping Michaels, 5+♠, usually 5+#
4♥!
Leaping Michaels, 5+♦, 5+♣
4♠
S/O, 6+♠
(1♥) 1NT-2♣
Gladiator
2♦!
P/C
2♥!
P/C, 5+♦
2♠!
P/C, MAX, 4=♠, 4+♦
(1♥) 1NT-2♣ 2♦-
P/C
P
S/O, 5+♦
2♠!
S/O, 5+♠
2NT
BAL INV
3♣
S/O, 6+♣
3♦♠
INV, 6+#
3♥!
SPL, 0–1♥, 0–3♠
(1♣♦) 1NT
Otherwise, I suggest ignoring the minor suit opening. Take the 1NT overcall as
a strong notrump opening.