KAYAMA Yu · JAPAN
vs par split: bidding -0.70 · play -0.80
Strength of schedule: opponents averaged -0.18/bd (an easy draw) → opponent-adjusted -0.81/bd
Card play — on target: opening leads 50.0% #89 of 89 · declarer play 100.0% #1 of 89 · defence 75.0% #60 of 89
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 50.0% (4) |
| Declarer play | 100.0% (1) | 100.0% (7) |
| Defence | 50.0% (2) | 80.0% (10) |
Opening leads by suit led: ♠ 0.0% (1) · ♥ 100.0% (2) · ♣ 0.0% (1)
vs par by strain: NT -3.91 (11) · a suit -0.10 (19)
vs par by level: part-score -0.83 (12) · game -2.06 (17) · slam +0.00 (1)
By role: declaring +0.06/bd (-2.78 vs par · 18) · defending -1.64/bd (+0.42 vs par · 12)
By vulnerability: vulnerable -1.01/bd (-2.57 vs par · 14) · not vulnerable -0.29/bd (-0.56 vs par · 16)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | R.Abe | V.Anoyrkatis – C.Bedford | Open | 6 | -7.5 | -1.25 | -0.17 |
| Round 2 | R.Abe | Y.Sliwowicz – O.Sabbah | Open | 6 | -13.2 | -2.20 | -3.00 |
| Round 5 | R.Abe | S.Garcia – M.Arreaga Estevez | Open | 6 | +2.2 | +0.37 | -4.17 |
| Round 7 | R.Abe | R.Fu – H.Wu | Open | 6 | +4.8 | +0.80 | +0.00 |
| Round 8 | R.Abe | M.Lysek – A.Pyszko | Open | 6 | -5.0 | -0.83 | -0.17 |
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 |
|---|---|---|---|---|---|---|---|
| +10.9 | Round 7 | MAPLE | 7 | 6♠ | ♣K | = | +0 |
| +9.4 | Round 5 | ECUADOR GIRLS | 26 | 3NT | ♠J | +2 | +1 |
| +5.9 | Round 8 | CZECH REPUBLIC A | 15 | 2♦ | ♣K | -2 | +7 |
| +5.6 | Round 1 | U21 ENGLAND | 3 | 4♥ | ♣9 | -2 | +8 |
| +4.5 | Round 2 | KITKUTIM II | 7 | 4♠ | ♣A | = | +0 |
| +3.9 | Round 1 | U21 ENGLAND | 1 | 4♥ | ♥3 | -3 | +7 |
| +3.3 | Round 7 | MAPLE | 12 | 3♥ | ♦K | = | +1 |
| +3.2 | Round 8 | CZECH REPUBLIC A | 14 | 1♣ | ♦A | = | +5 |
| +3.1 | Round 5 | ECUADOR GIRLS | 27 | 3NT | ♥3 | +4 | +2 |
| +1.8 | Round 8 | CZECH REPUBLIC A | 16 | 3NT | ♦K | = | +3 |
| +1.3 | Round 7 | MAPLE | 10 | 2♠ | ♦4 | = | +6 |
| +1.1 | Round 5 | ECUADOR GIRLS | 30 | 1NT | ♥2 | +2 | -7 |
| +0.4 | Round 8 | CZECH REPUBLIC A | 18 | 4♥ | ♣2 | = | +0 |
| +0.3 | Round 7 | MAPLE | 11 | 2NT | ♥K | = | +1 |
| -1.2 | Round 1 | U21 ENGLAND | 6 | 2NT | ♠Q | = | -7 |
| -1.9 | Round 2 | KITKUTIM II | 9 | 4♠ | ♥5 | = | +0 |
| -2.0 | Round 5 | ECUADOR GIRLS | 28 | 2♥ | ♥2 | -1 | -2 |
| -2.8 | Round 2 | KITKUTIM II | 8 | 4♥ | ♦K | +1 | -1 |
| -2.8 | Round 7 | MAPLE | 9 | 3NT | ♠Q | +2 | +0 |
| -3.1 | Round 2 | KITKUTIM II | 12 | 4♥ | ♦7 | -1 | +2 |
| -3.1 | Round 5 | ECUADOR GIRLS | 29 | 2NT | ♣K | -3 | -5 |
| -3.5 | Round 1 | U21 ENGLAND | 5 | 3♥ | ♠A | +1 | -1 |
| -4.5 | Round 8 | CZECH REPUBLIC A | 17 | 4♠ | ♥Q | = | +1 |
| -4.6 | Round 2 | KITKUTIM II | 10 | 4♠ | ♦7 | -2 | -13 |
| -5.3 | Round 2 | KITKUTIM II | 11 | 3NT | ♠Q | = | -6 |
| -5.8 | Round 1 | U21 ENGLAND | 4 | 3♣ | ♥3 | +1 | +0 |
| -6.3 | Round 5 | ECUADOR GIRLS | 25 | 4♥ | ♦4 | -1 | -14 |
| -6.5 | Round 1 | U21 ENGLAND | 2 | 4♥ | ♠Q | +2 | -8 |
| -8.2 | Round 7 | MAPLE | 8 | 1NTx | ♠5 | -3 | -8 |
| -11.8 | Round 8 | CZECH REPUBLIC A | 13 | 3NT | ♠2 | -3 | -17 |