CHIANG Jeffrey · RILAKKUMA
vs par split: bidding -0.25 · play -0.13
Strength of schedule: opponents averaged +0.11/bd (a tough draw) → opponent-adjusted -0.06/bd
Card play — on target: opening leads 85.7% #78 of 675 · declarer play 67.9% #555 of 675 · defence 83.9% #432 of 675
Bidding activity — not a pass: 42.5% #377 of 675 (121/285)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 88.9% (9) | 84.2% (19) |
| Declarer play | 62.5% (8) | 70.0% (20) |
| Defence | 72.2% (18) | 89.5% (38) |
Opening leads by suit led: ♠ 100.0% (7) · ♥ 88.9% (9) · ♦ 85.7% (7) · ♣ 60.0% (5)
vs par by strain: NT +0.14 (36) · a suit -0.72 (76)
vs par by level: part-score +0.18 (38) · game -0.69 (68) · slam -1.67 (6)
By role: declaring -0.25/bd (-3.38 vs par · 55) · defending -0.09/bd (+2.39 vs par · 57)
By vulnerability: vulnerable -1.02/bd (-0.75 vs par · 56) · not vulnerable +0.68/bd (-0.14 vs par · 56)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | C.Hui | P.Gruenke – D.Von Arnim | Closed | 14 | +18.4 | +1.31 | +1.43 |
| Round 2 | C.Hui | Y.Liu – Y.Chen | Closed | 14 | -8.8 | -0.63 | -3.57 |
| Round 3 | C.Hui | M.Zaitoun – A.Alruwayeh | Closed | 14 | +17.0 | +1.21 | +1.86 |
| Round 4 | C.Hui | M.Sezer – M.Oncel | Closed | 14 | -8.2 | -0.59 | -1.21 |
| Round 5 | C.Hui | S.Rashti – I.Liran | Closed | 14 | +6.9 | +0.49 | +1.93 |
| Round 6 | C.Hui | J.Kaczorowski – T.Kowalczewski | Closed | 14 | -0.5 | -0.04 | +1.21 |
| Round 7 | C.Hui | O.Ekinci – O.Casur | Closed | 14 | -7.2 | -0.51 | -1.07 |
| Round 8 | C.Hui | Z.Grossack – A.Tebha | Open | 14 | -36.4 | -2.60 | -4.14 |
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 |
|---|---|---|---|---|---|---|---|
| +11.1 | Round 2 | WOLFSON | 26 | 6♠x | ♥K | -3 | +5 |
| +10.8 | Round 1 | DANGERS AND A HAZARD | 4 | 4♠ | ♥5 | +3 | +17 |
| +9.8 | Round 3 | RUWAYEH | 12 | 3NT | ♥Q | +3 | +9 |
| +8.5 | Round 4 | TURKON | 24 | 4♠ | ♣5 | +1 | +1 |
| +8.4 | Round 1 | DANGERS AND A HAZARD | 12 | 4♥ | ♦K | -1 | +10 |
| +8.3 | Round 3 | RUWAYEH | 1 | 4♠ | ♣Q | -1 | +10 |
| +8.0 | Round 1 | DANGERS AND A HAZARD | 3 | 4♥ | ♦T | -2 | +8 |
| +7.7 | Round 7 | KUPCLUB | 10 | 3NT | ♠4 | +1 | +0 |
| +7.5 | Round 2 | WOLFSON | 22 | 7♣ | ♦2 | = | -2 |
| +6.3 | Round 5 | INON LIRAN | 8 | 4♥ | ♣2 | = | +7 |
| +6.2 | Round 1 | DANGERS AND A HAZARD | 1 | 3NTx | ♥K | -2 | +9 |
| +6.0 | Round 4 | TURKON | 17 | 6NT | ♥3 | -1 | +11 |
| +5.9 | Round 5 | INON LIRAN | 4 | 3NT | ♣T | -1 | +12 |
| +4.9 | Round 6 | AGILERO | 16 | 2♥ | ♣7 | +3 | +12 |
| +4.4 | Round 3 | RUWAYEH | 2 | 4♠ | ♣5 | -2 | +12 |
| +4.4 | Round 6 | AGILERO | 15 | 4♠ | ♥7 | = | +11 |
| +4.3 | Round 3 | RUWAYEH | 8 | 3NT | ♣T | -4 | +3 |
| +4.3 | Round 4 | TURKON | 26 | 3♣ | ♣J | +1 | +10 |
| +4.0 | Round 1 | DANGERS AND A HAZARD | 13 | 3♦ | ♠J | +1 | +0 |
| +3.9 | Round 8 | PARKER | 26 | 4♥ | ♠K | +2 | +1 |
| +3.6 | Round 5 | INON LIRAN | 5 | 4♥x | ♣Q | -1 | +0 |
| +3.5 | Round 7 | KUPCLUB | 7 | 3♥ | ♠9 | +1 | +10 |
| +3.4 | Round 3 | RUWAYEH | 10 | 1NT | ♠K | -1 | +11 |
| +3.4 | Round 5 | INON LIRAN | 6 | 3NT | ♥7 | +3 | +1 |
| +3.3 | Round 6 | AGILERO | 24 | 3NT | ♦4 | +1 | +1 |
| +3.2 | Round 4 | TURKON | 25 | 2♠ | ♠A | +2 | +1 |
| +3.1 | Round 7 | KUPCLUB | 11 | 5♣ | ♥A | -1 | +5 |
| +2.5 | Round 1 | DANGERS AND A HAZARD | 6 | 3♠ | ♦6 | +1 | -2 |
| +2.3 | Round 6 | AGILERO | 25 | 2♥ | ♣J | = | -1 |
| +2.2 | Round 4 | TURKON | 16 | 3NT | ♣7 | +2 | +1 |
| +2.2 | Round 7 | KUPCLUB | 8 | 3NT | ♥7 | -1 | +5 |
| +2.1 | Round 1 | DANGERS AND A HAZARD | 9 | 2♥ | ♦3 | +3 | +7 |
| +2.0 | Round 2 | WOLFSON | 16 | 2♥ | ♦J | +1 | +6 |
| +1.9 | Round 7 | KUPCLUB | 14 | 4♥ | ♠3 | = | -1 |
| +1.9 | Round 8 | PARKER | 19 | 3♦ | ♦5 | +1 | +0 |
| +1.8 | Round 3 | RUWAYEH | 7 | 2NT | ♦3 | = | +1 |
| +1.8 | Round 6 | AGILERO | 28 | 1NT | ♠Q | -2 | -1 |
| +1.8 | Round 8 | PARKER | 20 | 4♠ | ♣7 | = | -1 |
| +1.7 | Round 2 | WOLFSON | 23 | 5♣ | ♥K | +1 | -10 |
| +1.7 | Round 5 | INON LIRAN | 11 | 3NT | ♥6 | = | +0 |
| +1.5 | Round 5 | INON LIRAN | 7 | 3NT | ♥4 | +3 | +13 |
| +1.4 | Round 8 | PARKER | 25 | 2♥ | ♠Q | = | +0 |
| +1.2 | Round 7 | KUPCLUB | 3 | 4♠ | ♦J | -1 | -2 |
| +1.0 | Round 2 | WOLFSON | 18 | 1♦ | ♠2 | = | -1 |
| +1.0 | Round 8 | PARKER | 24 | 4♠ | ♥9 | +1 | +0 |
| +0.8 | Round 7 | KUPCLUB | 2 | 5♦ | ♣6 | +2 | -10 |
| +0.7 | Round 6 | AGILERO | 19 | 3NT | ♠6 | +2 | +1 |
| +0.7 | Round 6 | AGILERO | 22 | 3NT | ♥6 | +2 | +0 |
| +0.6 | Round 5 | INON LIRAN | 3 | 4♥ | ♦Q | +1 | +0 |
| +0.5 | Round 2 | WOLFSON | 28 | 3NT | ♥2 | = | +1 |
| +0.5 | Round 5 | INON LIRAN | 1 | 3NT | ♣J | = | -1 |
| +0.3 | Round 2 | WOLFSON | 25 | 5♥ | ♠8 | = | +0 |
| +0.3 | Round 3 | RUWAYEH | 4 | 3♠ | ♥A | -1 | -1 |
| +0.3 | Round 7 | KUPCLUB | 5 | 2♠ | ♦K | +1 | +0 |
| +0.2 | Round 3 | RUWAYEH | 3 | 4♥ | ♠A | +1 | +11 |
| +0.2 | Round 5 | INON LIRAN | 14 | 2♦x | ♠K | -2 | -3 |
| +0.1 | Round 3 | RUWAYEH | 9 | 3NT | ♠2 | -2 | -8 |
| -0.2 | Round 4 | TURKON | 19 | 2♠ | ♣6 | +1 | +10 |
| -0.2 | Round 7 | KUPCLUB | 1 | 4♠ | ♥6 | +1 | +0 |
| -0.3 | Round 2 | WOLFSON | 15 | 3NT | ♠2 | = | -1 |
| -0.7 | Round 3 | RUWAYEH | 11 | 6♣ | ♣2 | = | -11 |
| -0.8 | Round 1 | DANGERS AND A HAZARD | 2 | 3♣ | ♠K | +2 | -11 |
| -0.8 | Round 4 | TURKON | 18 | 4♠ | ♥9 | +2 | -12 |
| -0.8 | Round 4 | TURKON | 27 | 3NT | ♠4 | = | +0 |
| -0.8 | Round 6 | AGILERO | 23 | 3NT | ♣5 | +2 | +0 |
| -0.8 | Round 8 | PARKER | 16 | 4♥ | ♣Q | +2 | -11 |
| -0.9 | Round 6 | AGILERO | 26 | 3♦ | ♥K | +1 | -9 |
| -1.0 | Round 1 | DANGERS AND A HAZARD | 10 | 2♥ | ♥8 | +1 | -10 |
| -1.0 | Round 1 | DANGERS AND A HAZARD | 11 | 4♠ | ♣J | = | +1 |
| -1.0 | Round 4 | TURKON | 15 | 3NT | ♥6 | = | +1 |
| -1.0 | Round 8 | PARKER | 15 | 2♠ | ♥7 | +1 | -1 |
| -1.1 | Round 5 | INON LIRAN | 13 | 3♦ | ♣J | = | -1 |
| -1.3 | Round 1 | DANGERS AND A HAZARD | 5 | 1NT | ♦3 | +3 | -2 |
| -1.7 | Round 5 | INON LIRAN | 12 | 2♥ | ♥9 | +2 | +6 |
| -1.8 | Round 6 | AGILERO | 20 | 1♠ | ♥8 | +2 | +10 |
| -1.9 | Round 6 | AGILERO | 21 | 5♣ | ♠3 | -2 | -2 |
| -1.9 | Round 6 | AGILERO | 27 | 3NT | ♥K | +1 | -10 |
| -2.1 | Round 8 | PARKER | 22 | 4♠ | ♦T | = | +0 |
| -2.3 | Round 4 | TURKON | 22 | 3♦ | ♣A | -1 | -4 |
| -2.5 | Round 1 | DANGERS AND A HAZARD | 14 | 2♠ | ♦3 | = | +0 |
| -2.5 | Round 6 | AGILERO | 18 | 5♣ | ♥A | +1 | +11 |
| -2.8 | Round 3 | RUWAYEH | 5 | 3NT | ♣3 | = | +1 |
| -2.8 | Round 3 | RUWAYEH | 13 | 2♥ | ♦6 | = | +0 |
| -2.9 | Round 7 | KUPCLUB | 12 | 3NT | ♥4 | +1 | +0 |
| -3.0 | Round 8 | PARKER | 27 | 5♣ | ♦5 | -1 | -8 |
| -3.1 | Round 2 | WOLFSON | 24 | 2♦ | ♦5 | +3 | -2 |
| -3.1 | Round 8 | PARKER | 17 | 4♥x | ♥4 | -2 | -11 |
| -3.1 | Round 8 | PARKER | 18 | 2NT | ♣T | = | +0 |
| -3.3 | Round 2 | WOLFSON | 27 | 4♠ | ♥6 | -1 | -5 |
| -3.4 | Round 3 | RUWAYEH | 6 | 5♦ | ♦7 | -2 | -5 |
| -3.5 | Round 7 | KUPCLUB | 6 | 2♠ | ♥A | -3 | -5 |
| -3.6 | Round 4 | TURKON | 23 | 3NT | ♥T | -1 | -12 |
| -3.6 | Round 7 | KUPCLUB | 9 | 3NT | ♠2 | -2 | -7 |
| -4.3 | Round 5 | INON LIRAN | 10 | 2♥ | ♠J | = | +0 |
| -4.5 | Round 2 | WOLFSON | 17 | 3♠ | -2 | -8 | |
| -4.5 | Round 2 | WOLFSON | 20 | 6♥ | ♣5 | -1 | -13 |
| -4.7 | Round 4 | TURKON | 21 | 2♠ | ♦7 | -2 | -3 |
| -4.7 | Round 5 | INON LIRAN | 2 | 3NT | ♣Q | +1 | -1 |
| -5.0 | Round 5 | INON LIRAN | 9 | 3♠x | ♦K | -1 | -6 |
| -5.9 | Round 3 | RUWAYEH | 14 | 4♥x | ♦K | = | -7 |
| -6.1 | Round 2 | WOLFSON | 21 | 3NT | ♠5 | = | -6 |
| -7.3 | Round 8 | PARKER | 28 | 7♠ | ♠3 | = | +0 |
| -7.9 | Round 7 | KUPCLUB | 13 | 3♣ | ♠9 | = | -6 |
| -8.2 | Round 1 | DANGERS AND A HAZARD | 8 | 4♠ | ♥5 | = | -7 |
| -8.5 | Round 4 | TURKON | 20 | 3NT | ♣Q | -3 | -9 |
| -8.8 | Round 1 | DANGERS AND A HAZARD | 7 | 4♠ | ♥A | = | +0 |
| -8.8 | Round 6 | AGILERO | 17 | 5♦x | ♦9 | = | -6 |
| -9.8 | Round 7 | KUPCLUB | 4 | 3NT | ♥J | +1 | -4 |
| -10.5 | Round 4 | TURKON | 28 | 5♥x | ♠A | -4 | -12 |
| -11.1 | Round 2 | WOLFSON | 19 | 3NTx | ♦8 | -3 | -14 |
| -11.7 | Round 8 | PARKER | 23 | 4♠x | ♣T | -2 | -12 |
| -14.3 | Round 8 | PARKER | 21 | 4♥ | ♥4 | -6 | -15 |