In order to simplify all of the information regarding the systems I have laid out here for use in 2/1, the charts below contain the same information in a tabular format. Those with green highlights require opener to say "forcing" upon hearing responder's bid. Those highlighted in yellow require opener to say "alert" upon hearing responder's bid.
Responses to 1H
| Bid | HCP | Clubs | Diamonds | Hearts | Spades | Forcing | Name |
| 1S | 6+ | any | any | <4 | 4+ | ||
| 1NT | 6-12 | any | any | <4 | <4 | 1 | Forcing 1NT |
| 2C | 13+ | 4+ | any | <4 | any | G | 2/1 |
| 2D | 13+ | any | 4+ | <4 | any | G | 2/1 |
| 2H | 6-9 | any | any | =3 | any | G | Bergen |
| 2S | 16+ | 5+ | 5+ | <4 | <4 | G | |
| 2NT | 16+ | any | any | 4+ | any | G | Bergen |
| 3C | 7-9 | any | any | 4+ | any | Bergen | |
| 3D | 10-12 | any | any | 4+ | any | Bergen | |
| 3H | 0-6 | * | * | 4+ | * | Bergen | |
| 3S | 13-15 | * | * | 4+ | * | G | Bergen |
| 3NT | 13-15 | ** | ** | 2 | ** | ||
| 4C | 13-15 | *** | *** | 4-7 | *** | G | Inverted Trump Swiss |
| 4D | 13-15 | *** | *** | 4-7 | *** | G | Inverted Trump Swiss |
| 4H | 0-6 | any | any | 5+ | any | Bergen |
Responses to 1S
| Bid | HCP | Clubs | Diamonds | Hearts | Spades | Forcing | Name |
| 1NT | 6-12 | any | any | any | <4 | 1 | Forcing 1NT |
| 2C | 13+ | 4+ | any | any | <4 | G | 2/1 |
| 2D | 13+ | any | 4+ | any | <4 | G | 2/1 |
| 2H | 13+ | any | any | 5+ | <4 | G | 2/1 |
| 2S | 6-9 | any | any | any | =3 | Bergen | |
| 2NT | 16+ | any | any | any | 4+ | G | Bergen |
| 3C | 7-9 | any | any | any | 4+ | Bergen | |
| 3D | 10-12 | any | any | any | 4+ | Bergen | |
| 3H | 13-15 | * | * | * | 4+ | G | Bergen |
| 3S | 0-6 | any | any | any | =4 | Bergen | |
| 3NT | 13-15 | ** | ** | ** | 2 | ||
| 4C | 13-15 | *** | *** | *** | 4-7 | G | Inverted Trump Swiss |
| 4D | 13-15 | *** | *** | *** | 4-7 | G | Inverted Trump Swiss |
| 4H | pre-empt | any | any | 8+ | <4 | ||
| 4S | 0-6 | any | any | any | 5+ | Bergen |