NISHIDA Natsuko · ALLINA AND MAK
53rank
-7.2Butler · 90 bds
-0.08per board
±4.3swing
-0.32vs par /bd · #56/84
-0.30adjusted /bd
by round
vs par split: bidding -0.11 · play -0.21
Strength of schedule: opponents averaged -0.22/bd (an easy draw) → opponent-adjusted -0.30/bd
Card play — on target: opening leads 83.3% #30 of 84 · declarer play 65.4% #69 of 84 · defence 78.6% #69 of 84
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (4) | 78.6% (14) |
| Declarer play | 63.6% (11) | 66.7% (15) |
| Defence | 80.0% (10) | 78.1% (32) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 100.0% (4) · ♦ 33.3% (3) · ♣ 87.5% (8)
vs par by strain: NT -0.78 (27) · a suit -0.13 (63)
vs par by level: part-score +0.28 (40) · game -0.80 (44) · slam -0.83 (6)
By role: declaring +0.32/bd (-1.25 vs par · 48) · defending -0.54/bd (+0.74 vs par · 42)
By vulnerability: vulnerable +0.22/bd (-0.42 vs par · 45) · not vulnerable -0.38/bd (-0.22 vs par · 45)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | M.Sato | T.Sokolow – J.Seamon-Molson | Open | 10 | +5.2 | +0.52 | +2.70 |
| Round 2 | M.Sato | C.Rimstedt – I.Gronkvist | Open | 10 | -10.9 | -1.09 | +1.40 |
| Round 3 | M.Sato | F.Brown – S.Brock | Closed | 10 | -4.5 | -0.45 | -3.30 |
| Round 4 | M.Sato | P.Mcleish – D.Smart | Open | 10 | +4.9 | +0.49 | +0.40 |
| Round 5 | M.Sato | Y.Lu – Y.Zheng | Closed | 10 | +4.4 | +0.44 | -1.50 |
| Round 6 | M.Sato | J.Zmuda – K.Dufrat | Closed | 10 | +2.1 | +0.21 | +1.70 |
| Round 7 | M.Sato | M.Bruijnsteen – L.Dekkers | Open | 10 | -19.5 | -1.95 | -4.90 |
| Round 9 | M.Sato | D.Balkin – K.Driver | Closed | 10 | +3.1 | +0.31 | -0.20 |
| Round 10 | M.Sato | S.Strul – L.Berkowitz | Closed | 10 | +8.0 | +0.80 | +0.80 |
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 3 | BAKER | 5 | 3♣ | ♥A | +2 | +11 |
| +10.2 | Round 9 | ROSSLEE | 2 | 4♠ | ♠A | = | +7 |
| +9.8 | Round 6 | WESTHEIMER | 3 | 6♥ | ♦A | = | +0 |
| +9.5 | Round 1 | JOEL | 9 | 2♦x | ♥A | +1 | +10 |
| +7.2 | Round 10 | STRUL | 16 | 3NT | ♠5 | = | +10 |
| +6.9 | Round 5 | CHINA XHJT | 26 | 3NT | ♥10 | = | +0 |
| +6.1 | Round 9 | ROSSLEE | 9 | 3♠ | ♣10 | +1 | +6 |
| +5.4 | Round 9 | ROSSLEE | 1 | 3NT | ♥10 | = | +0 |
| +5.3 | Round 1 | JOEL | 3 | 2♥ | ♥A | +1 | +7 |
| +5.1 | Round 4 | AUSTRALIA WOMEN | 11 | 2NT | ♣2 | +1 | +7 |
| +5.0 | Round 4 | AUSTRALIA WOMEN | 16 | 4♥ | ♠A | +1 | -4 |
| +5.0 | Round 4 | AUSTRALIA WOMEN | 18 | 4♠ | ♥4 | -2 | +8 |
| +4.8 | Round 4 | AUSTRALIA WOMEN | 13 | 4♠ | ♦Q | = | -1 |
| +3.7 | Round 1 | JOEL | 10 | 3NT | ♣3 | -2 | +8 |
| +3.7 | Round 10 | STRUL | 19 | 3NT | ♣3 | -2 | +6 |
| +3.3 | Round 10 | STRUL | 18 | 1NT | ♦10 | = | +5 |
| +3.2 | Round 5 | CHINA XHJT | 24 | 6NT | ♠J | +1 | +1 |
| +3.2 | Round 7 | NETHERLANDS WOMEN | 15 | 4♠ | ♥3 | -2 | +7 |
| +2.5 | Round 1 | JOEL | 2 | 4♠x | ♥3 | -2 | +5 |
| +2.5 | Round 3 | BAKER | 2 | 1NT | ♥6 | +1 | -7 |
| +2.3 | Round 2 | KODA | 11 | 3NT | ♠K | -1 | +5 |
| +2.2 | Round 5 | CHINA XHJT | 27 | 3♥ | ♥7 | +1 | -6 |
| +2.0 | Round 4 | AUSTRALIA WOMEN | 17 | 5♥ | ♣A | = | +0 |
| +2.0 | Round 10 | STRUL | 11 | 4♦ | ♥4 | -2 | +6 |
| +1.9 | Round 10 | STRUL | 20 | 3NT | ♠10 | +2 | +0 |
| +1.7 | Round 7 | NETHERLANDS WOMEN | 19 | 3♣ | ♥K | -1 | -10 |
| +1.6 | Round 3 | BAKER | 4 | 3♥ | ♠10 | = | +0 |
| +1.6 | Round 5 | CHINA XHJT | 30 | 2♠ | ♥2 | -2 | +0 |
| +1.5 | Round 4 | AUSTRALIA WOMEN | 19 | 1NT | ♥Q | = | +1 |
| +1.4 | Round 2 | KODA | 18 | 3NT | ♥9 | +2 | +0 |
| +1.4 | Round 6 | WESTHEIMER | 6 | 2♠ | ♦A | -1 | +1 |
| +1.3 | Round 2 | KODA | 12 | 3♦ | ♠Q | -2 | +1 |
| +1.2 | Round 6 | WESTHEIMER | 2 | 4♥ | ♦K | = | -1 |
| +1.1 | Round 5 | CHINA XHJT | 21 | 3NT | ♦9 | = | +0 |
| +0.9 | Round 3 | BAKER | 9 | 3♠ | ♥2 | = | +0 |
| +0.9 | Round 4 | AUSTRALIA WOMEN | 12 | 6♦ | ♣A | = | +2 |
| +0.8 | Round 7 | NETHERLANDS WOMEN | 12 | 4♦ | ♥3 | = | -7 |
| +0.4 | Round 2 | KODA | 20 | 2♠ | ♦A | +1 | +0 |
| +0.3 | Round 2 | KODA | 19 | 3♥ | ♦K | +1 | +6 |
| +0.3 | Round 3 | BAKER | 6 | 3NT | ♠2 | = | +0 |
| +0.3 | Round 9 | ROSSLEE | 4 | 4♥ | ♣K | +1 | +0 |
| +0.2 | Round 9 | ROSSLEE | 8 | 4♠ | ♣J | = | +0 |
| +0.1 | Round 4 | AUSTRALIA WOMEN | 20 | 4♠ | ♠2 | +1 | +13 |
| +0.1 | Round 9 | ROSSLEE | 6 | 2♥ | ♦3 | +1 | +0 |
| -0.1 | Round 1 | JOEL | 1 | 3♦ | ♠K | = | -5 |
| -0.1 | Round 5 | CHINA XHJT | 23 | 4♣ | ♠J | = | +0 |
| -0.1 | Round 6 | WESTHEIMER | 7 | 4♥ | ♣4 | +1 | +0 |
| -0.1 | Round 10 | STRUL | 14 | 3NT | ♥6 | +1 | +0 |
| -0.2 | Round 6 | WESTHEIMER | 10 | 2♠ | ♥8 | +1 | +0 |
| -0.3 | Round 6 | WESTHEIMER | 9 | 3♠ | ♣A | -1 | +4 |
| -0.3 | Round 10 | STRUL | 17 | 2♥ | ♦5 | = | +1 |
| -0.7 | Round 1 | JOEL | 4 | 2♥ | ♦10 | -1 | +11 |
| -0.7 | Round 6 | WESTHEIMER | 4 | 4♥ | ♣K | = | -3 |
| -0.7 | Round 7 | NETHERLANDS WOMEN | 11 | 4♠x | ♥3 | -3 | +10 |
| -1.0 | Round 5 | CHINA XHJT | 28 | 2♠ | ♥A | = | +0 |
| -1.1 | Round 7 | NETHERLANDS WOMEN | 16 | 4♠x | ♣K | -1 | -8 |
| -1.3 | Round 5 | CHINA XHJT | 29 | 3NT | ♥7 | +1 | +0 |
| -1.4 | Round 6 | WESTHEIMER | 8 | 5♣ | ♠3 | +1 | +14 |
| -1.5 | Round 2 | KODA | 14 | 2♠ | ♦7 | +1 | +6 |
| -1.5 | Round 10 | STRUL | 15 | 4♥ | ♦A | -1 | +2 |
| -1.6 | Round 1 | JOEL | 8 | 1NT | ♥Q | +1 | -1 |
| -1.7 | Round 7 | NETHERLANDS WOMEN | 13 | 1♠ | ♣K | -1 | -5 |
| -1.9 | Round 2 | KODA | 13 | 6♠ | ♣10 | = | -8 |
| -2.2 | Round 7 | NETHERLANDS WOMEN | 20 | 4♠ | ♥J | +1 | +0 |
| -2.2 | Round 9 | ROSSLEE | 3 | 1NT | ♣4 | = | +0 |
| -2.3 | Round 1 | JOEL | 7 | 3♣ | ♠A | +1 | +0 |
| -2.4 | Round 3 | BAKER | 10 | 2NT | ♠3 | -1 | +0 |
| -2.5 | Round 5 | CHINA XHJT | 25 | 3NT | ♥J | +2 | +0 |
| -2.9 | Round 1 | JOEL | 5 | 3♥ | ♣5 | = | -1 |
| -2.9 | Round 3 | BAKER | 8 | 4♠ | ♠8 | = | -7 |
| -3.3 | Round 2 | KODA | 15 | 4♥ | ♦6 | +2 | -2 |
| -3.3 | Round 3 | BAKER | 7 | 3NT | ♣K | -1 | -12 |
| -3.4 | Round 10 | STRUL | 12 | 2♠ | ♦5 | -1 | -5 |
| -3.5 | Round 6 | WESTHEIMER | 1 | 3♠ | ♦J | -2 | +0 |
| -3.9 | Round 2 | KODA | 16 | 6♠ | ♠2 | +1 | +11 |
| -4.1 | Round 6 | WESTHEIMER | 5 | 1NT | ♠Q | +3 | +2 |
| -4.6 | Round 9 | ROSSLEE | 7 | 2♥ | ♠K | = | -12 |
| -4.8 | Round 10 | STRUL | 13 | 4NT | ♥J | +1 | -17 |
| -5.3 | Round 3 | BAKER | 3 | 3NT | ♥8 | -2 | -13 |
| -5.3 | Round 4 | AUSTRALIA WOMEN | 14 | 4♠ | ♦9 | -3 | -7 |
| -5.5 | Round 9 | ROSSLEE | 5 | 4♠x | ♣5 | -1 | +0 |
| -5.7 | Round 5 | CHINA XHJT | 22 | 2♥ | ♣3 | +2 | -10 |
| -5.8 | Round 7 | NETHERLANDS WOMEN | 17 | 5♣ | ♦9 | +2 | -14 |
| -6.0 | Round 2 | KODA | 17 | 2♠x | ♥8 | -2 | -5 |
| -6.5 | Round 3 | BAKER | 1 | 3NT | ♥3 | -1 | -5 |
| -6.7 | Round 7 | NETHERLANDS WOMEN | 18 | 6NT | ♦K | -2 | -11 |
| -6.9 | Round 9 | ROSSLEE | 10 | 4♠ | ♦4 | = | -3 |
| -7.0 | Round 7 | NETHERLANDS WOMEN | 14 | 4♠ | ♦J | = | -11 |
| -8.2 | Round 1 | JOEL | 6 | 4♠ | ♦9 | = | -7 |
| -14.2 | Round 4 | AUSTRALIA WOMEN | 15 | 4♥x | ♠A | = | -15 |