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Polish Club (Polish: ''Wspólny Język'', literally "Common Language") is a bridge bidding system which was developed in Poland, where it is the most popular bidding system, and which is also used by players of other countries. It is a type of small club system. In the Polish Club, a 1♣ opening bid is forcing for one round but does not necessarily show a strong hand; in most versions of this system it shows either a weak balanced hand (about 12-14HCP), a natural 1♣ opening or any strong hand. Consequently bids of 1♦, 1♥ and 1♠ are limited to about 18HCP, and also 1♦ shows at least four diamonds (five in some versions of the system). The 2♣ opening is usually reserved to show a limited hand with long clubs and possibly a 4-card major, similar to the Precision 2♣ opening. The following outline of the system is based on that given in ''System licytacyjny Wspólny Język 2005 - opis skrócony'' ("Polish Club 2005 - a brief description") by Krzysztof Jassem. == 1♣ opening == # 12–14 HCP, no 5-card major, no 4-card diamond suit. Five clubs are possible if the hand is balanced. Opener should not bid clubs on the next round – even in competition. # 15–17 HCP, five clubs, unbalanced distribution. Opener bids clubs in the next round. # 18+ HCP, any distribution. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Polish Club」の詳細全文を読む スポンサード リンク
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