| TRICK SCORE | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Scored by declarer's side if the contract is fulfilled | ||||||||||||
| IF TRUMPS ARE | ![]() | ![]() | ![]() | ![]() | ||||||||
| For each odd trick bid and made | ||||||||||||
| Undoubled | 20 | 20 | 30 | 30 | ||||||||
| Doubled | 40 | 40 | 60 | 60 | ||||||||
| Redoubled | 80 | 80 | 120 | 120 | ||||||||
| AT A NOTRUMP CONTRACT | ||||||||||||
| UNDOUBLED | DOUBLED | REDOUBLED | ||||||||||
| For the first odd trick bid and made | 40 | 80 | 160 | |||||||||
| For each additional odd trick | 30 | 60 | 120 | |||||||||
| A trick score of 100 points or more, made on one board, is GAME | ||||||||||||
| A trick score of less than 100 points is a PARTSCORE | ||||||||||||
| PREMIUM SCORE | ||||||||||||
| Scored by declarer's side | ||||||||||||
| SLAMS | ||||||||||||
| For making a slam | Not Vulnerable | Vulnerable | ||||||||||
| Small Slam (12 tricks) bid and made | 500 | 750 | ||||||||||
| Grand Slam (all 13 tricks) bid and made | 1000 | 1500 | ||||||||||
| OVERTRICKS | ||||||||||||
| For each OVERTRICK | Not Vulnerable | Vulnerable | ||||||||||
| (tricks made in excess of contract) | ||||||||||||
| Undoubled | Trick Value | Trick Value | ||||||||||
| Doubled | 100 | 200 | ||||||||||
| Redoubled | 200 | 400 | ||||||||||
| PREMIUMS FOR GAME, PARTSCORE, FULFILLING CONTRACT | ||||||||||||
| For making GAME, vulnerable | 500 | |||||||||||
| For making GAME, not vulnerable | 300 | |||||||||||
| For making any PARTSCORE | 50 | |||||||||||
| For making any doubled, but not redoubled contract | 50 | |||||||||||
| For making any redoubled contract | 100 | |||||||||||
| UNDERTRICK PENALTIES | ||||||||||||
| Scored by declarer's opponents if the contract is not fulfilled | ||||||||||||
| UNDERTRICKS | ||||||||||||
| Tricks by which declarer falls short of the contract | ||||||||||||
| Not Vulnerable | Vulnerable | |||||||||||
| Undbld | Dbld | Rdbld | Undbld | Dbld | Rdbld | |||||||
| For first undertrick | 50 | 100 | 200 | 100 | 200 | 400 | ||||||
| For each additional undertrick | 50 | 200 | 400 | 100 | 300 | 600 | ||||||
| Bonus for fourth and | | |||||||||||
| each subsequent undertrick | 0 | 100 | 200 | 0 | 0 | 0 | ||||||


| Difference | Difference | Difference | |||||
| in points | IMPs | in points | IMPs | in points | IMPs | ||
| 20 - 40 | 1 | 370 - 420 | 9 | 1500 - 1740 | 17 | ||
| 50 - 80 | 2 | 430 - 490 | 10 | 1750 - 1990 | 18 | ||
| 90 - 120 | 3 | 500 - 590 | 11 | 2000 - 2240 | 19 | ||
| 130 - 160 | 4 | 600 - 740 | 12 | 2250 - 2490 | 20 | ||
| 170 - 210 | 5 | 750 - 890 | 13 | 2500 - 2990 | 21 | ||
| 220 - 260 | 6 | 900 - 1090 | 14 | 3000 - 3490 | 22 | ||
| 270 - 310 | 7 | 1100 - 1290 | 15 | 3500 - 3990 | 23 | ||
| 320 - 360 | 8 | 1300 - 1490 | 16 | 4000 & upwards | 24 |


time, this correction period
expires 30 minutes after the official score has been made available for
inspection.
An earlier time may be specified when required by the special nature of a contest.

