This is also the Polish standard system, Wspolny Jezyk 2005 (WJ2005). This means "common language 2005". A short description by Krzysztof Jassem can be found here.
1 | |
1 | 11 - 17 HCP, 4+ |
1 | 11 - 17 HCP, 5+ |
1 | 11 - 17 HCP, 5+ |
1NT | 15 - 17 balanced |
2 | Precision 2: 11 - 14 HCP, 5 + 4/ or 6+ |
2 | Wilkosz*: Weak, 5-5 with at least one major |
2 | Weak Two* in |
2 | Weak Two* in |
2NT | Unusual: Weak, 5 5 |
Responses to 1
Most responses to 1 are natural. 1 can be either natural or negative.
Response | |
1 | |
1 | 7+ HCP, 4+, longer minor possible |
1 | 7+ HCP, 4+, longer minor possible |
1NT | 9 - 11 balanced |
2 | 12+ HCP, 5+ |
2 | 12+ HCP, 5+ |
2/ | 6+card, 9 - 11 HCP * | 2NT | 12 - 15 balanced |
3/ | 6+card, 9 - 11 HCP |
3/ | GF, asks stopper for 3NT |
Response | |
1 | 12 - 21 HCP, 4-card , or 12 - 14 balanced without 4 |
1 | 12 - 21 HCP, 4-card |
1NT | 18 - 21 balanced |
2 | 15 - 21 HCP, 5+ |
2 | Game Forcing |
2 | Semi GF 5+ |
2 | Semi GF 5+ |
2NT | 22 - 24 balanced |