CAI Bin · HAINAN OLD MAN
109rank
-86.2Butler · 91 bds
-0.95per board
±4.3swing
-2.29vs par /bd · #107/107
-0.74adjusted /bd
by round
vs par split: bidding -0.88 · play -1.47
Strength of schedule: opponents averaged +0.20/bd (a tough draw) → opponent-adjusted -0.74/bd
Card play — on target: opening leads 68.2% #94 of 107 · declarer play 55.6% #99 of 107 · defence 74.4% #103 of 107
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 60.0% (10) | 75.0% (12) |
| Declarer play | 75.0% (8) | 47.4% (19) |
| Defence | 76.9% (13) | 73.3% (30) |
Opening leads by suit led: ♠ 66.7% (6) · ♥ 50.0% (4) · ♦ 75.0% (8) · ♣ 75.0% (4)
vs par by strain: NT -0.71 (28) · a suit -3.08 (62)
vs par by level: part-score -1.96 (44) · game -2.15 (41) · slam -7.40 (5)
By role: declaring -1.63/bd (-4.96 vs par · 47) · defending -0.35/bd (+0.51 vs par · 43)
By vulnerability: vulnerable -2.10/bd (-4.19 vs par · 48) · not vulnerable +0.34/bd (-0.16 vs par · 43)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Y.Jiang | M.Yeung – A.Leigh | Open | 7 | -1.3 | -0.19 | -2.29 |
| Round 4 | Y.Jiang | Y.Wang – L.Weng | Open | 7 | -1.3 | -0.19 | -4.29 |
| Round 5 | Y.Jiang | V.Li – P.Chun | Closed | 7 | -0.5 | -0.07 | -0.86 |
| Round 8 | Y.Jiang | T.Imakura – S.Morimura | Closed | 7 | -12.8 | -1.83 | -2.00 |
| Round 11 | Y.Jiang | V.Melman – V.Markowicz | Open | 7 | +8.4 | +1.20 | +2.29 |
| Round 12 | Y.Jiang | A.Kowalski – J.Romanski | Closed | 7 | -12.3 | -1.76 | -5.14 |
| Round 14 | Y.Jiang | J.Schermer – N.Chambers | Closed | 7 | -17.6 | -2.51 | -3.00 |
| Round 15 | Y.Jiang | B.Bramley – L.Stansby | Open | 7 | -10.9 | -1.56 | -1.29 |
| Round 17 | Y.Jiang | P.Hackett – J.Sansom | Open | 7 | -4.5 | -0.64 | -2.14 |
| Round 18 | Y.Jiang | H.Lasut – E.Manoppo | Open | 7 | -6.4 | -0.91 | +0.57 |
| Round 19 | Y.Jiang | A.Yamada – K.Ohno | Closed | 7 | -18.0 | -2.57 | -3.86 |
| Round 20 | Y.Jiang | M.Dumbovich – P.Magyar | Closed | 7 | -4.0 | -0.57 | -2.14 |
| Round 21 | Y.Jiang | H.Dhariwal – R.Lyall | Open | 7 | -5.0 | -0.71 | -5.57 |
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 |
|---|---|---|---|---|---|---|---|
| +10.6 | Round 15 | LYNCH | 1 | 6NT | ♦2 | = | +11 |
| +9.8 | Round 4 | SICHUAN DAHE COMPANY | 24 | 3NT | ♠5 | -1 | +11 |
| +9.3 | Round 5 | HK SENIOR FRIENDS | 4 | 3NT | ♥2 | -2 | +13 |
| +7.8 | Round 12 | MILNER | 2 | 4♠ | ♥5 | -1 | +12 |
| +6.6 | Round 17 | HACKETT | 15 | 3NT | ♠5 | -2 | +7 |
| +5.6 | Round 8 | IMAX | 1 | A♦J | ♠9 | +3 | |
| +5.0 | Round 21 | ENGINEERS | 20 | 2♠ | ♦A | -2 | +8 |
| +4.7 | Round 11 | MARKOWICZ | 27 | 3♣ | ♠A | -1 | +10 |
| +4.5 | Round 4 | SICHUAN DAHE COMPANY | 27 | 5♣ | ♥4 | = | +0 |
| +3.8 | Round 5 | HK SENIOR FRIENDS | 1 | 3NT | ♥7 | +1 | +1 |
| +3.6 | Round 17 | HACKETT | 16 | 4♠ | ♠J | +2 | -13 |
| +3.4 | Round 1 | MASTER MINDS | 2 | 2♣ | ♠5 | = | -1 |
| +3.3 | Round 11 | MARKOWICZ | 24 | 2♠ | ♦A | +2 | +6 |
| +3.2 | Round 11 | MARKOWICZ | 23 | 3NT | ♦6 | +1 | +11 |
| +3.0 | Round 11 | MARKOWICZ | 28 | 3NT | ♠J | +4 | +3 |
| +3.0 | Round 20 | HUNGARY | 8 | 3NT | ♠8 | -2 | +5 |
| +3.0 | Round 21 | ENGINEERS | 18 | 6♣ | ♠6 | = | -11 |
| +2.5 | Round 8 | IMAX | 2 | 1NT | ♠10 | +1 | +11 |
| +2.0 | Round 18 | INDONESIA | 25 | 2♠ | ♠2 | +2 | +6 |
| +2.0 | Round 20 | HUNGARY | 9 | 3♠ | ♥5 | = | +0 |
| +1.8 | Round 14 | STERNBERG | 17 | 2♠ | ♥6 | -2 | +0 |
| +1.6 | Round 19 | PLATINUM | 4 | 2♠ | ♦7 | +1 | +0 |
| +1.3 | Round 1 | MASTER MINDS | 1 | 2♦ | ♠A | -2 | +5 |
| +1.3 | Round 1 | MASTER MINDS | 7 | 3NT | ♥J | +1 | +0 |
| +1.1 | Round 1 | MASTER MINDS | 5 | 2♠ | ♥10 | = | +1 |
| +1.1 | Round 14 | STERNBERG | 19 | 3♥ | ♠Q | +1 | -1 |
| +1.1 | Round 20 | HUNGARY | 10 | 2♠ | ♦K | = | -1 |
| +1.1 | Round 21 | ENGINEERS | 15 | 1NT | ♦2 | = | +0 |
| +0.9 | Round 18 | INDONESIA | 26 | 4♥ | ♦Q | = | -1 |
| +0.8 | Round 12 | MILNER | 4 | 2♥ | ♦A | = | +0 |
| +0.5 | Round 14 | STERNBERG | 15 | 2♥ | ♦K | = | +0 |
| +0.2 | Round 19 | PLATINUM | 5 | 2♥ | ♦A | = | -1 |
| +0.1 | Round 1 | MASTER MINDS | 6 | 2♣ | ♦Q | +3 | -6 |
| -0.0 | Round 4 | SICHUAN DAHE COMPANY | 28 | 3NT | ♣4 | -1 | +6 |
| -0.0 | Round 15 | LYNCH | 4 | 4♥ | ♦10 | +1 | +0 |
| -0.0 | Round 17 | HACKETT | 19 | 3NT | ♠9 | +1 | +0 |
| -0.2 | Round 4 | SICHUAN DAHE COMPANY | 22 | 2♥ | ♦K | +1 | +0 |
| -0.2 | Round 15 | LYNCH | 5 | 4♥ | ♦A | +1 | -4 |
| -0.3 | Round 20 | HUNGARY | 11 | 2NT | ♠6 | -1 | -10 |
| -0.6 | Round 5 | HK SENIOR FRIENDS | 7 | 4♠ | ♥5 | = | +0 |
| -0.6 | Round 8 | IMAX | 6 | 1NT | ♥4 | +1 | -10 |
| -0.6 | Round 20 | HUNGARY | 14 | 3NT | ♦7 | +1 | +1 |
| -0.7 | Round 4 | SICHUAN DAHE COMPANY | 23 | 6♣ | ♦10 | -1 | -17 |
| -0.7 | Round 5 | HK SENIOR FRIENDS | 2 | 2♥ | ♣4 | = | -1 |
| -0.7 | Round 18 | INDONESIA | 22 | 3NT | ♦6 | +1 | +0 |
| -0.7 | Round 18 | INDONESIA | 28 | 4♣ | ♠A | = | +5 |
| -0.8 | Round 17 | HACKETT | 17 | 5♦ | ♦8 | = | +1 |
| -1.1 | Round 1 | MASTER MINDS | 4 | 2♠ | ♦8 | = | -6 |
| -1.3 | Round 18 | INDONESIA | 27 | 1♥ | ♠K | +2 | +0 |
| -1.3 | Round 21 | ENGINEERS | 19 | 3♠ | ♣K | = | -10 |
| -1.4 | Round 12 | MILNER | 1 | 1NT | ♠3 | = | -7 |
| -1.4 | Round 12 | MILNER | 5 | 4♠ | ♦4 | = | -10 |
| -1.5 | Round 5 | HK SENIOR FRIENDS | 5 | 3♦ | ♥Q | -3 | +0 |
| -1.7 | Round 11 | MARKOWICZ | 25 | 3NT | ♣K | +1 | +1 |
| -1.8 | Round 8 | IMAX | 7 | 4♠ | ♣8 | -1 | -6 |
| -1.8 | Round 15 | LYNCH | 7 | 4♥ | ♣6 | +2 | -1 |
| -1.9 | Round 11 | MARKOWICZ | 22 | 2♠ | ♦K | = | -6 |
| -1.9 | Round 21 | ENGINEERS | 21 | 2♠ | ♣9 | -1 | -4 |
| -2.0 | Round 4 | SICHUAN DAHE COMPANY | 25 | 5♦ | ♣A | = | -13 |
| -2.1 | Round 19 | PLATINUM | 2 | 2♠ | ♥6 | +1 | -1 |
| -2.2 | Round 5 | HK SENIOR FRIENDS | 6 | 6♣ | ♠8 | +1 | -13 |
| -2.2 | Round 11 | MARKOWICZ | 26 | 4♠ | ♣7 | = | -9 |
| -2.4 | Round 14 | STERNBERG | 21 | 1♠ | ♥Q | = | +1 |
| -2.5 | Round 18 | INDONESIA | 23 | 4♥ | ♦7 | = | +0 |
| -2.6 | Round 19 | PLATINUM | 6 | 3♠ | ♣3 | +1 | -10 |
| -2.8 | Round 20 | HUNGARY | 13 | 6♠x | ♣A | -3 | -7 |
| -3.6 | Round 15 | LYNCH | 6 | 3♠ | ♣A | = | -6 |
| -3.6 | Round 19 | PLATINUM | 7 | 1NT | ♦5 | -2 | -2 |
| -3.7 | Round 8 | IMAX | 3 | 3♥ | ♠K | -1 | -6 |
| -3.7 | Round 17 | HACKETT | 18 | 5♣x | ♦K | -1 | -6 |
| -3.9 | Round 19 | PLATINUM | 1 | 2♠ | ♥A | +2 | -7 |
| -4.0 | Round 12 | MILNER | 7 | 3♦ | ♣4 | = | -6 |
| -4.1 | Round 18 | INDONESIA | 24 | 3NT | ♥2 | -3 | -6 |
| -4.2 | Round 8 | IMAX | 5 | 4♥x | ♠K | -1 | -6 |
| -4.2 | Round 17 | HACKETT | 21 | 4♣ | ♦9 | -1 | -5 |
| -4.6 | Round 12 | MILNER | 6 | 3NT | ♣2 | +2 | -11 |
| -4.6 | Round 14 | STERNBERG | 16 | 2NT | ♦7 | = | -6 |
| -5.2 | Round 21 | ENGINEERS | 16 | 4♣ | ♦5 | -1 | -12 |
| -5.7 | Round 21 | ENGINEERS | 17 | 4♥ | ♠K | -1 | -10 |
| -6.0 | Round 17 | HACKETT | 20 | 5♣ | ♠A | = | +1 |
| -6.4 | Round 20 | HUNGARY | 12 | 3NT | ♥5 | = | -3 |
| -6.6 | Round 14 | STERNBERG | 18 | 4♥ | ♦Q | -1 | -10 |
| -6.8 | Round 15 | LYNCH | 3 | 2♣ | ♥10 | +1 | -5 |
| -7.4 | Round 1 | MASTER MINDS | 3 | 3NT | ♣Q | -5 | -9 |
| -7.4 | Round 14 | STERNBERG | 20 | 3♥ | ♣4 | -3 | -5 |
| -7.6 | Round 19 | PLATINUM | 3 | 4♥ | ♣9 | -1 | -6 |
| -8.6 | Round 5 | HK SENIOR FRIENDS | 3 | 3NT | ♠J | = | -6 |
| -9.1 | Round 15 | LYNCH | 2 | 2♥x | ♠A | -4 | -4 |
| -9.5 | Round 12 | MILNER | 3 | 3NT | ♣6 | -3 | -14 |
| -10.6 | Round 8 | IMAX | 4 | 4♥ | ♠Q | = | +0 |
| -12.7 | Round 4 | SICHUAN DAHE COMPANY | 26 | 3NT | ♣A | -3 | -17 |