GONG Kai Lu · GREEN PRIMARY SCHOOL
vs par split: bidding +0.87 · play +0.85
Strength of schedule: opponents averaged -0.97/bd (an easy draw) → opponent-adjusted +0.03/bd
Card play — on target: opening leads 81.8% #37 of 73 · declarer play 75.0% #29 of 73 · defence 88.2% #7 of 73
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 71.4% (7) | 86.7% (15) |
| Declarer play | 50.0% (2) | 83.3% (6) |
| Defence | 72.7% (11) | 95.7% (23) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 66.7% (9) · ♦ 100.0% (4) · ♣ 83.3% (6)
vs par by strain: NT +4.00 (18) · a suit +0.74 (42)
vs par by level: part-score +1.83 (36) · game +1.54 (24)
By role: declaring +0.78/bd (-0.39 vs par · 26) · defending +1.17/bd (+3.32 vs par · 34)
By vulnerability: vulnerable +1.23/bd (+1.90 vs par · 30) · not vulnerable +0.77/bd (+1.53 vs par · 30)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | X.Liu | Z.Sha – T.Jin | Open | 10 | -24.5 | -2.45 | -0.30 |
| Round 2 | X.Liu | O.Colburn – A.Vassileva | Open | 10 | +45.3 | +4.53 | +5.60 |
| Round 3 | L.Bai | H.Li – S.Liu | Open | 10 | +10.4 | +1.04 | +1.40 |
| Round 4 | L.Bai | V.Lamoureux – MILLER JASON | Open | 10 | +2.5 | +0.25 | -3.10 |
| Round 5 | L.Bai | E.Berman – A.Ladyzhensky | Open | 10 | -19.0 | -1.90 | -1.00 |
| Round 7 | L.Bai | S.Edwards – M.Novak | Open | 10 | +45.2 | +4.52 | +7.70 |
Every board — best Butler first↑ top
vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +11.9 | Round 7 | MIDNIGHT SUNS | 2 | 3NT | ♣4 | -1 | +17 |
| +11.8 | Round 2 | BRIDGEMATES | 15 | 4♥ | ♣4 | = | +10 |
| +10.6 | Round 7 | MIDNIGHT SUNS | 1 | 2NT | ♥2 | -4 | +12 |
| +9.8 | Round 2 | BRIDGEMATES | 19 | 2NT | ♠2 | -2 | +13 |
| +9.0 | Round 7 | MIDNIGHT SUNS | 10 | 3NT | ♦A | = | -1 |
| +7.8 | Round 2 | BRIDGEMATES | 17 | 3♦ | ♠7 | +3 | +15 |
| +7.3 | Round 2 | BRIDGEMATES | 12 | 4♠ | ♦2 | -1 | +11 |
| +6.8 | Round 7 | MIDNIGHT SUNS | 6 | 3NT | ♦A | +1 | +14 |
| +5.6 | Round 7 | MIDNIGHT SUNS | 7 | 2NT | ♥3 | +2 | +15 |
| +5.2 | Round 4 | BERK S | 8 | 2♦ | ♣8 | = | +7 |
| +5.2 | Round 7 | MIDNIGHT SUNS | 5 | 2♦ | ♥8 | +3 | +13 |
| +4.4 | Round 1 | CHINA XNWY | 10 | 4♥ | ♦4 | -2 | +8 |
| +4.4 | Round 2 | BRIDGEMATES | 18 | 5♦ | ♠10 | = | +11 |
| +4.4 | Round 3 | CHINA WFL | 24 | 4♠ | ♦2 | +2 | -1 |
| +3.4 | Round 3 | CHINA WFL | 26 | 3NT | ♣10 | +1 | +13 |
| +3.4 | Round 3 | CHINA WFL | 28 | 3♠ | ♣2 | +1 | +6 |
| +3.3 | Round 4 | BERK S | 6 | 5♦ | ♥A | -2 | -5 |
| +2.8 | Round 2 | BRIDGEMATES | 14 | 3NT | ♦2 | +2 | +0 |
| +2.4 | Round 3 | CHINA WFL | 25 | 4♠ | ♥A | -1 | -3 |
| +2.2 | Round 2 | BRIDGEMATES | 13 | 2♦ | ♠A | +2 | +0 |
| +1.7 | Round 1 | CHINA XNWY | 9 | 2♠ | ♥4 | = | +6 |
| +1.3 | Round 4 | BERK S | 5 | 4♠ | ♥4 | +2 | -11 |
| +1.2 | Round 3 | CHINA WFL | 23 | 3♣ | ♦10 | = | +0 |
| +1.0 | Round 5 | BERMAN | 17 | 2♣ | ♥Q | +2 | +7 |
| +0.8 | Round 2 | BRIDGEMATES | 20 | 2♦ | ♥10 | +1 | +0 |
| +0.8 | Round 4 | BERK S | 4 | 1NT | ♣3 | +1 | +1 |
| +0.6 | Round 4 | BERK S | 1 | 5♦ | ♣K | -2 | -5 |
| +0.5 | Round 3 | CHINA WFL | 22 | 3NT | ♦J | +1 | +0 |
| +0.5 | Round 4 | BERK S | 9 | 3NT | ♥9 | +1 | -13 |
| +0.4 | Round 7 | MIDNIGHT SUNS | 8 | 1♥ | ♦4 | -1 | -2 |
| +0.2 | Round 4 | BERK S | 2 | 3♥ | ♦A | -1 | +2 |
| +0.1 | Round 2 | BRIDGEMATES | 16 | 3♠ | ♣4 | = | +0 |
| +0.1 | Round 5 | BERMAN | 15 | 2♠ | ♦K | = | -7 |
| +0.0 | Round 1 | CHINA XNWY | 8 | 2♥ | ♣3 | -1 | +9 |
| -0.2 | Round 4 | BERK S | 3 | 4♥ | ♦A | -1 | -2 |
| -0.3 | Round 1 | CHINA XNWY | 1 | 3NT | ♣A | +1 | +0 |
| -0.8 | Round 1 | CHINA XNWY | 4 | 2♥ | ♦A | -1 | -1 |
| -0.8 | Round 3 | CHINA WFL | 21 | 4♣ | ♠A | = | +0 |
| -0.8 | Round 7 | MIDNIGHT SUNS | 3 | 3♣ | ♥A | +1 | +0 |
| -1.0 | Round 3 | CHINA WFL | 29 | 1NT | ♣8 | +3 | -2 |
| -1.0 | Round 4 | BERK S | 7 | 1♥ | ♣Q | = | -4 |
| -1.4 | Round 5 | BERMAN | 12 | 3NT | ♦5 | = | +1 |
| -1.4 | Round 5 | BERMAN | 19 | 2♥ | ♠K | = | +0 |
| -1.4 | Round 7 | MIDNIGHT SUNS | 4 | 2♠ | ♦A | -3 | +8 |
| -1.5 | Round 3 | CHINA WFL | 30 | 3♣ | ♥A | = | +0 |
| -1.5 | Round 5 | BERMAN | 20 | 2♦ | ♣9 | -1 | -5 |
| -1.6 | Round 3 | CHINA WFL | 27 | 1♥ | ♠A | +1 | +1 |
| -1.7 | Round 2 | BRIDGEMATES | 11 | 1♠ | ♣3 | -1 | -4 |
| -1.9 | Round 5 | BERMAN | 11 | 3NT | ♣2 | +1 | +11 |
| -2.1 | Round 7 | MIDNIGHT SUNS | 9 | 1♣ | ♥5 | = | +1 |
| -2.2 | Round 1 | CHINA XNWY | 2 | 2♠ | ♠J | +1 | +0 |
| -2.2 | Round 5 | BERMAN | 13 | 4♠ | ♥K | = | +0 |
| -3.6 | Round 1 | CHINA XNWY | 7 | 2NT | ♦8 | -2 | -2 |
| -3.6 | Round 5 | BERMAN | 14 | 1NT | ♦2 | +1 | -6 |
| -3.6 | Round 5 | BERMAN | 16 | 2♥ | ♥A | -2 | -3 |
| -4.2 | Round 1 | CHINA XNWY | 3 | 2♠ | ♥5 | -2 | -6 |
| -4.5 | Round 5 | BERMAN | 18 | 4♦ | ♥K | -1 | -8 |
| -8.2 | Round 4 | BERK S | 10 | 3NT | ♦A | +1 | -1 |
| -9.0 | Round 1 | CHINA XNWY | 6 | 4♠ | ♦K | +1 | +0 |
| -10.5 | Round 1 | CHINA XNWY | 5 | 5♥ | ♣4 | -1 | -17 |