🇯🇵 YAMAMOTO Tetsutaro · JAPAN
vs par split: bidding +0.93 · play +0.21
Strength of schedule: opponents averaged -0.33/bd (an easy draw) → opponent-adjusted +0.89/bd
Card play — on target: opening leads 77.8% #68 of 95 · declarer play 81.2% #27 of 95 · defence 86.7% #31 of 95
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 20.0% (5) | 100.0% (13) |
| Declarer play | 75.0% (8) | 87.5% (8) |
| Defence | 85.7% (7) | 87.0% (23) |
Opening leads by suit led: ♠ 33.3% (3) · ♥ 85.7% (7) · ♦ 75.0% (4) · ♣ 100.0% (4)
vs par by strain: NT -0.31 (16) · a suit +1.73 (40)
vs par by level: part-score +0.95 (19) · game +0.56 (32) · slam +5.60 (5)
By role: declaring +1.63/bd (-0.54 vs par · 26) · defending +0.87/bd (+2.60 vs par · 30)
By vulnerability: vulnerable +2.01/bd (+2.07 vs par · 28) · not vulnerable +0.43/bd (+0.21 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | E.Imakiire | K.Bossonney – B.Perez | Open | 8 | +22.7 | +2.84 | +5.12 |
| Round 2 | E.Imakiire | I.Leeming – H.Tuus | Closed | 8 | +3.7 | +0.46 | -2.38 |
| Round 3 | E.Imakiire | C.Liu – H.Wei | Closed | 8 | +5.3 | +0.66 | +3.25 |
| Round 4 | E.Imakiire | S.Beukema – E.Vandewiele | Closed | 8 | +1.6 | +0.20 | +0.88 |
| Round 5 | E.Imakiire | BOSE BABHRUBAHAN – KAR SOUVIK | Closed | 8 | +3.6 | +0.45 | -2.25 |
| Round 6 | E.Imakiire | T.Sprinkhuizen – G.Mendes De Leon | Closed | 8 | -10.8 | -1.35 | -1.38 |
| Round 7 | E.Imakiire | M.Wu – T.Hung | Closed | 8 | +42.3 | +5.29 | +4.75 |
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 |
|---|---|---|---|---|---|---|---|
| +14.6 | Round 1 | 🇨🇱 CHILE | 4 | 4♥x | ♣A | = | +15 |
| +12.3 | Round 7 | 🇭🇰 HONG KONG | 22 | 6♦ | ♥8 | -3 | +15 |
| +12.2 | Round 7 | 🇭🇰 HONG KONG | 19 | 5♣x | ♥A | -3 | +9 |
| +11.9 | Round 4 | 🇧🇪 BELGIUM | 29 | 4♠ | ♣Q | -4 | +14 |
| +10.6 | Round 2 | ALSO INDIA | 9 | 2♥ | ♦10 | -2 | +11 |
| +8.0 | Round 7 | 🇭🇰 HONG KONG | 24 | 3NT | ♦A | -6 | +9 |
| +7.1 | Round 7 | 🇭🇰 HONG KONG | 20 | 3NT | ♦7 | +2 | +0 |
| +7.0 | Round 5 | 🇮🇳 INDIA | 5 | 6♠ | ♦4 | = | +0 |
| +6.8 | Round 1 | 🇨🇱 CHILE | 2 | 2♠x | ♥J | -2 | +10 |
| +6.2 | Round 3 | 🇨🇳 CHINA RDFZ HU | 24 | 3♦x | ♠6 | -2 | +5 |
| +4.5 | Round 1 | 🇨🇱 CHILE | 3 | 3NT | ♥6 | +1 | +7 |
| +4.3 | Round 7 | 🇭🇰 HONG KONG | 21 | 4♠ | ♦K | +1 | +7 |
| +4.2 | Round 5 | 🇮🇳 INDIA | 1 | 3NT | ♦9 | -2 | +6 |
| +3.6 | Round 3 | 🇨🇳 CHINA RDFZ HU | 19 | 6♠ | ♦3 | -2 | +13 |
| +3.1 | Round 2 | ALSO INDIA | 13 | 4♠ | ♥K | +1 | +0 |
| +3.1 | Round 3 | 🇨🇳 CHINA RDFZ HU | 23 | 2♠ | ♣Q | = | -1 |
| +3.0 | Round 2 | ALSO INDIA | 16 | 4♥ | ♣7 | -3 | -3 |
| +2.9 | Round 4 | 🇧🇪 BELGIUM | 31 | 4♠ | ♣3 | = | -1 |
| +2.9 | Round 6 | 🇳🇱 NETHERLANDS | 16 | 5♣ | ♠4 | -1 | +12 |
| +2.6 | Round 7 | 🇭🇰 HONG KONG | 17 | 2NT | ♣6 | = | +0 |
| +2.3 | Round 1 | 🇨🇱 CHILE | 8 | 4♠ | ♥A | -1 | +4 |
| +1.9 | Round 6 | 🇳🇱 NETHERLANDS | 9 | 4♥ | ♣Q | = | +0 |
| +1.7 | Round 2 | ALSO INDIA | 15 | 3♦ | ♦J | = | -1 |
| +1.4 | Round 2 | ALSO INDIA | 11 | 4♥ | ♠A | +1 | +0 |
| +1.2 | Round 3 | 🇨🇳 CHINA RDFZ HU | 20 | 3NT | ♠3 | +1 | +10 |
| +1.2 | Round 4 | 🇧🇪 BELGIUM | 30 | 3NT | ♣5 | = | -2 |
| +0.9 | Round 1 | 🇨🇱 CHILE | 5 | 2♥ | ♥4 | = | +1 |
| +0.9 | Round 3 | 🇨🇳 CHINA RDFZ HU | 22 | 2♥ | ♥3 | = | +0 |
| +0.8 | Round 5 | 🇮🇳 INDIA | 2 | 3♥ | ♦K | -1 | -2 |
| +0.6 | Round 5 | 🇮🇳 INDIA | 6 | 3NT | ♠Q | +3 | -11 |
| +0.4 | Round 5 | 🇮🇳 INDIA | 7 | 3NT | ♠6 | -2 | +7 |
| +0.3 | Round 4 | 🇧🇪 BELGIUM | 27 | 4♥ | ♦A | = | +0 |
| +0.1 | Round 1 | 🇨🇱 CHILE | 6 | 3♦ | ♣5 | +2 | +10 |
| -0.1 | Round 3 | 🇨🇳 CHINA RDFZ HU | 18 | 6NT | ♥10 | +1 | +11 |
| -0.6 | Round 6 | 🇳🇱 NETHERLANDS | 13 | 4♥ | ♠4 | +1 | +0 |
| -0.7 | Round 4 | 🇧🇪 BELGIUM | 28 | 3♠ | ♦Q | +1 | -1 |
| -0.9 | Round 4 | 🇧🇪 BELGIUM | 26 | 2♥ | ♠2 | -1 | +0 |
| -1.0 | Round 5 | 🇮🇳 INDIA | 4 | 1NT | ♠3 | = | +0 |
| -1.0 | Round 7 | 🇭🇰 HONG KONG | 18 | 4♠ | ♣J | -1 | -1 |
| -1.2 | Round 6 | 🇳🇱 NETHERLANDS | 12 | 4♥ | ♠A | = | +0 |
| -1.3 | Round 6 | 🇳🇱 NETHERLANDS | 15 | 5♥ | ♦A | = | +0 |
| -1.7 | Round 1 | 🇨🇱 CHILE | 7 | 3♥ | ♣K | = | +0 |
| -1.8 | Round 5 | 🇮🇳 INDIA | 3 | 3NT | ♣J | +3 | -14 |
| -1.9 | Round 3 | 🇨🇳 CHINA RDFZ HU | 21 | 3♠ | ♦4 | +1 | -1 |
| -2.3 | Round 6 | 🇳🇱 NETHERLANDS | 14 | 4♥ | ♦K | -1 | -10 |
| -2.5 | Round 4 | 🇧🇪 BELGIUM | 25 | 2♥ | ♦10 | +1 | +0 |
| -3.2 | Round 7 | 🇭🇰 HONG KONG | 23 | 2♥ | ♣4 | +2 | -1 |
| -3.8 | Round 2 | ALSO INDIA | 14 | 2♦ | ♥4 | = | -6 |
| -4.8 | Round 1 | 🇨🇱 CHILE | 1 | 2NT | ♥4 | = | -6 |
| -4.8 | Round 6 | 🇳🇱 NETHERLANDS | 10 | 3NT | ♥2 | -1 | -6 |
| -4.9 | Round 2 | ALSO INDIA | 10 | 4♥ | ♣Q | -3 | -7 |
| -5.4 | Round 6 | 🇳🇱 NETHERLANDS | 11 | 4♥ | ♣J | = | -7 |
| -6.6 | Round 5 | 🇮🇳 INDIA | 8 | 4♥ | ♣10 | -1 | -4 |
| -7.4 | Round 2 | ALSO INDIA | 12 | 3NT | ♣7 | -1 | -13 |
| -7.7 | Round 3 | 🇨🇳 CHINA RDFZ HU | 17 | 6♥ | ♦A | -1 | -11 |
| -10.6 | Round 4 | 🇧🇪 BELGIUM | 32 | 3NT | ♠4 | = | -3 |