YUEN Michael · GRIZZLY KOALAS
vs par split: bidding -1.10 · play -0.02
Strength of schedule: opponents averaged +0.35/bd (a tough draw) → opponent-adjusted -0.72/bd
Card play — on target: opening leads 60.0% #143 of 148 · declarer play 70.6% #103 of 148 · defence 92.3% #16 of 148
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 57.1% (7) |
| Declarer play | 71.4% (7) | 70.0% (10) |
| Defence | 75.0% (8) | 100.0% (18) |
Opening leads by suit led: ♠ 33.3% (3) · ♥ 100.0% (3) · ♦ 100.0% (1) · ♣ 33.3% (3)
vs par by strain: NT +0.50 (16) · a suit -1.71 (44)
vs par by level: part-score -0.09 (23) · game -2.23 (30) · slam +0.29 (7)
By role: declaring -1.42/bd (-3.82 vs par · 34) · defending -0.62/bd (+2.42 vs par · 26)
By vulnerability: vulnerable -1.34/bd (-2.13 vs par · 31) · not vulnerable -0.79/bd (-0.03 vs par · 29)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | N.Stock | R.Passal – L.Griffey | Open | 10 | -3.0 | -0.30 | -3.00 |
| Round 2 | N.Stock | D.Simson – J.Aker | Closed | 10 | -16.0 | -1.60 | -4.30 |
| Round 4 | N.Stock | L.Proto – H.Oliveira | Closed | 10 | -5.9 | -0.59 | -1.10 |
| Round 6 | N.Stock | P.Tuszynski – W.Starkowski | Closed | 10 | -2.5 | -0.25 | +0.60 |
| Round 7 | N.Stock | K.Woolsey – B.Bramley | Closed | 10 | -19.6 | -1.96 | +1.50 |
| Round 9 | N.Stock | R.Wegman – F.King | Open | 10 | -17.6 | -1.76 | -0.40 |
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 |
|---|---|---|---|---|---|---|---|
| +9.9 | Round 4 | PROTO | 13 | 6NT | ♦Q | -1 | +13 |
| +7.7 | Round 9 | CAPPELLI | 5 | 4♠x | ♥2 | -2 | +5 |
| +6.0 | Round 7 | WOLFSON | 14 | 4♠ | ♦J | = | +11 |
| +5.3 | Round 6 | VYTAS | 8 | 6♣ | ♥A | -1 | +16 |
| +4.0 | Round 6 | VYTAS | 1 | 5♣x | ♠8 | -1 | +5 |
| +3.7 | Round 6 | VYTAS | 5 | 3NT | ♥6 | = | +7 |
| +3.3 | Round 2 | SIMSON | 11 | 2NT | ♥3 | = | +0 |
| +3.2 | Round 1 | PREMO | 4 | 4♥ | ♣5 | -2 | -9 |
| +3.1 | Round 2 | SIMSON | 14 | 5♣x | ♥6 | -1 | -5 |
| +3.0 | Round 7 | WOLFSON | 16 | 3♠ | ♦9 | -1 | +6 |
| +2.5 | Round 9 | CAPPELLI | 3 | 2♠ | ♦Q | = | +1 |
| +2.4 | Round 4 | PROTO | 14 | 3NT | ♥3 | -1 | +5 |
| +2.3 | Round 1 | PREMO | 1 | 3♦ | ♣A | +1 | +6 |
| +2.2 | Round 4 | PROTO | 12 | 6NT | ♠4 | = | +0 |
| +2.1 | Round 4 | PROTO | 18 | 2NT | ♣7 | +1 | +0 |
| +2.0 | Round 2 | SIMSON | 15 | 4♥ | ♥2 | +2 | +2 |
| +1.6 | Round 1 | PREMO | 8 | 2♦ | ♥8 | = | +0 |
| +1.5 | Round 1 | PREMO | 5 | 4♠ | ♥10 | -2 | +0 |
| +1.4 | Round 2 | SIMSON | 17 | 2♥ | ♣J | = | +0 |
| +1.0 | Round 6 | VYTAS | 10 | 2♠ | ♥8 | +1 | +0 |
| +0.9 | Round 6 | VYTAS | 7 | 4♥ | ♠A | +2 | +1 |
| +0.7 | Round 2 | SIMSON | 16 | 6♦ | ♥2 | +1 | -11 |
| +0.6 | Round 1 | PREMO | 6 | 3♦ | ♥3 | = | +0 |
| +0.6 | Round 9 | CAPPELLI | 2 | 4♠ | ♦K | -1 | +5 |
| +0.5 | Round 4 | PROTO | 19 | 1NT | ♠A | +2 | +1 |
| +0.4 | Round 9 | CAPPELLI | 9 | 4♠ | ♣10 | +1 | +1 |
| +0.3 | Round 2 | SIMSON | 18 | 3NT | ♥4 | +1 | +1 |
| +0.1 | Round 1 | PREMO | 7 | 3♣ | ♣J | +1 | +0 |
| +0.1 | Round 7 | WOLFSON | 12 | 2♦ | ♥3 | +2 | +7 |
| +0.0 | Round 4 | PROTO | 20 | 3NT | ♦2 | +2 | -13 |
| +0.0 | Round 9 | CAPPELLI | 4 | 4♥ | ♣A | +1 | +0 |
| -0.5 | Round 1 | PREMO | 10 | 2NT | ♣3 | -1 | -6 |
| -0.7 | Round 7 | WOLFSON | 11 | 4♥ | ♣K | +1 | -11 |
| -0.8 | Round 2 | SIMSON | 12 | 2♠ | ♦10 | -2 | -1 |
| -0.8 | Round 9 | CAPPELLI | 8 | 4♠ | ♥J | = | +0 |
| -1.2 | Round 6 | VYTAS | 4 | 4♥ | ♣K | = | -3 |
| -1.2 | Round 7 | WOLFSON | 13 | 2♠ | ♣4 | -1 | +0 |
| -1.3 | Round 1 | PREMO | 9 | 2♥ | ♣A | -1 | -4 |
| -1.3 | Round 6 | VYTAS | 9 | 2NT | ♣5 | -1 | +4 |
| -1.9 | Round 6 | VYTAS | 6 | 2NT | ♣6 | +1 | +0 |
| -2.4 | Round 7 | WOLFSON | 15 | 3♣ | ♠4 | = | -5 |
| -2.8 | Round 4 | PROTO | 15 | 4♠ | ♥K | +1 | +0 |
| -3.0 | Round 1 | PREMO | 3 | 1♣ | ♦K | -1 | -5 |
| -3.2 | Round 7 | WOLFSON | 19 | 2NT | ♠4 | +2 | +8 |
| -3.4 | Round 7 | WOLFSON | 18 | 4♥ | ♠10 | = | +1 |
| -3.7 | Round 2 | SIMSON | 20 | 3♦ | ♦4 | -3 | -4 |
| -4.7 | Round 9 | CAPPELLI | 6 | 4♥ | ♣7 | -1 | -5 |
| -5.0 | Round 6 | VYTAS | 3 | 4♥ | ♣9 | +2 | -13 |
| -5.1 | Round 4 | PROTO | 16 | 5♥x | ♠K | = | -2 |
| -5.4 | Round 9 | CAPPELLI | 10 | 4♠ | ♣4 | -1 | -12 |
| -6.6 | Round 2 | SIMSON | 19 | 4♥ | ♠4 | -1 | -10 |
| -7.1 | Round 4 | PROTO | 17 | 5♥x | ♠3 | = | -5 |
| -7.3 | Round 7 | WOLFSON | 17 | 6♣ | ♦9 | +1 | +11 |
| -7.5 | Round 1 | PREMO | 2 | 6♥ | ♠7 | -1 | -12 |
| -8.0 | Round 4 | PROTO | 11 | 4♦ | ♦3 | -1 | -10 |
| -8.0 | Round 6 | VYTAS | 2 | 4♥ | ♦K | -1 | -11 |
| -8.0 | Round 9 | CAPPELLI | 1 | 3NT | ♠7 | = | +0 |
| -9.9 | Round 9 | CAPPELLI | 7 | 3NT | ♦A | = | +1 |
| -10.5 | Round 7 | WOLFSON | 20 | 3NT | ♣4 | -1 | -13 |
| -15.7 | Round 2 | SIMSON | 13 | 7♠ | ♣10 | -1 | -15 |