BOGO Kaare · POLAR FORMOSA
338rank
-28.1Butler · 112 bds
-0.25per board
±4.1swing
-0.65vs par /bd · #385/488
-0.02adjusted /bd
by round
vs par split: bidding -0.61 · play -0.07
Strength of schedule: opponents averaged +0.23/bd (a tough draw) → opponent-adjusted -0.02/bd
Card play — on target: opening leads 82.1% #237 of 488 · declarer play 74.1% #249 of 488 · defence 89.7% #175 of 488
Bidding activity — not a pass: 45.3% #133 of 488 (150/331)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 85.7% (7) | 81.0% (21) |
| Declarer play | 75.0% (4) | 73.9% (23) |
| Defence | 89.5% (19) | 89.7% (39) |
Opening leads by suit led: ♠ 71.4% (7) · ♥ 91.7% (12) · ♦ 80.0% (5) · ♣ 75.0% (4)
vs par by strain: NT +2.32 (28) · a suit -1.70 (83)
vs par by level: part-score -2.57 (28) · game +0.18 (76) · slam -2.57 (7)
By role: declaring -0.47/bd (-4.26 vs par · 53) · defending -0.05/bd (+2.59 vs par · 58)
By vulnerability: vulnerable -0.07/bd (-0.71 vs par · 56) · not vulnerable -0.43/bd (-0.59 vs par · 56)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | R.Sivertsvik | A.Ghitescu – B.Neagu | Open | 14 | -0.4 | -0.03 | -2.57 |
| Round 2 | R.Sivertsvik | H.Setton – P.Franceschetti | Closed | 14 | -4.1 | -0.29 | -0.07 |
| Round 3 | R.Sivertsvik | F.Dalpozzo – F.Porta | Open | 14 | -9.9 | -0.71 | -1.07 |
| Round 4 | R.Sivertsvik | A.Asulin – A.Lengy | Open | 14 | +24.2 | +1.73 | +2.07 |
| Round 5 | R.Sivertsvik | C.Henner – U.Ivatury | Closed | 14 | +2.1 | +0.15 | -1.43 |
| Round 6 | R.Sivertsvik | D.Hsieh – L.Chen | Open | 14 | -25.1 | -1.79 | -0.86 |
| Round 7 | R.Sivertsvik | M.Mestric – T.Brkljacic | Open | 14 | +9.3 | +0.66 | +0.93 |
| Round 8 | R.Sivertsvik | Z.Xie – Z.Liao | Open | 14 | -24.2 | -1.73 | -2.21 |
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 |
|---|---|---|---|---|---|---|---|
| +9.3 | Round 4 | PATRICK SAADA | 15 | 3NT | ♣J | -1 | +11 |
| +9.3 | Round 4 | PATRICK SAADA | 27 | 4♠x | ♣A | = | +5 |
| +9.2 | Round 2 | DAISY CHAIN | 19 | 3NT | ♠2 | +1 | +1 |
| +8.3 | Round 5 | MIXED NUTS | 4 | 4♥ | ♦5 | = | +0 |
| +8.2 | Round 7 | DITI | 4 | 4♠ | ♥6 | -1 | +6 |
| +7.8 | Round 2 | DAISY CHAIN | 21 | 5♥ | ♦Q | = | +4 |
| +7.2 | Round 4 | PATRICK SAADA | 19 | 5♣ | ♠7 | +2 | +17 |
| +6.6 | Round 2 | DAISY CHAIN | 23 | 3NT | ♠2 | +4 | +16 |
| +6.6 | Round 7 | DITI | 7 | 6♦ | ♠A | +1 | -7 |
| +6.3 | Round 1 | FLYHIGH | 2 | 5♥x | ♠A | -4 | +0 |
| +5.1 | Round 3 | CARE | 2 | 5♦x | ♠A | -1 | +0 |
| +5.0 | Round 8 | CHINA1 | 24 | 3NT | ♣5 | -1 | +5 |
| +4.6 | Round 3 | CARE | 9 | 3NT | ♥6 | -3 | +9 |
| +4.3 | Round 5 | MIXED NUTS | 14 | 3♣x | ♥J | -1 | +5 |
| +4.1 | Round 1 | FLYHIGH | 7 | 4♥ | ♠A | -4 | +5 |
| +3.8 | Round 4 | PATRICK SAADA | 16 | 1NTx | ♥4 | -1 | +3 |
| +3.5 | Round 4 | PATRICK SAADA | 18 | 4♠ | ♣Q | = | +3 |
| +3.5 | Round 5 | MIXED NUTS | 7 | 4♠ | ♥2 | +1 | -10 |
| +3.3 | Round 4 | PATRICK SAADA | 24 | 3NT | ♣3 | -3 | +6 |
| +3.2 | Round 1 | FLYHIGH | 4 | 4♥ | ♣Q | -2 | +2 |
| +3.2 | Round 4 | PATRICK SAADA | 17 | 4♥ | ♥8 | = | +0 |
| +2.9 | Round 1 | FLYHIGH | 13 | 6♦ | ♣A | = | -13 |
| +2.9 | Round 6 | DH888 | 21 | 4♥ | ♠Q | -1 | +5 |
| +2.7 | Round 7 | DITI | 9 | 3NT | ♥6 | = | +13 |
| +2.4 | Round 2 | DAISY CHAIN | 20 | 4♠ | ♦K | +1 | +0 |
| +2.2 | Round 1 | FLYHIGH | 12 | 4♥ | ♣K | +1 | +0 |
| +2.2 | Round 2 | DAISY CHAIN | 25 | 3NT | ♣5 | -1 | +0 |
| +2.1 | Round 5 | MIXED NUTS | 12 | 2♠ | ♦A | = | +0 |
| +2.0 | Round 3 | CARE | 3 | 4♥ | ♣2 | -1 | +5 |
| +1.7 | Round 8 | CHINA1 | 16 | 4♠ | ♥9 | +1 | +1 |
| +1.6 | Round 6 | DH888 | 19 | 3NT | ♥6 | = | -1 |
| +1.5 | Round 2 | DAISY CHAIN | 17 | 3NT | ♠2 | +3 | +11 |
| +1.5 | Round 2 | DAISY CHAIN | 22 | 4♠ | ♦5 | = | -11 |
| +1.4 | Round 7 | DITI | 11 | 1NT | ♥6 | = | +8 |
| +1.1 | Round 4 | PATRICK SAADA | 23 | 4♠ | ♥T | -1 | +6 |
| +1.1 | Round 5 | MIXED NUTS | 13 | 5♣ | ♥J | = | -13 |
| +0.9 | Round 4 | PATRICK SAADA | 21 | 2♠ | ♦3 | +1 | +0 |
| +0.9 | Round 5 | MIXED NUTS | 2 | 3NT | ♥6 | = | +0 |
| +0.8 | Round 7 | DITI | 2 | 1NT | ♠5 | +2 | -1 |
| +0.6 | Round 1 | FLYHIGH | 3 | 4♠ | ♦3 | = | +0 |
| +0.6 | Round 7 | DITI | 10 | 3NT | ♠T | +1 | -1 |
| +0.5 | Round 7 | DITI | 13 | 6♥ | ♥6 | +1 | +13 |
| +0.5 | Round 8 | CHINA1 | 18 | 3♠ | ♦A | +1 | +6 |
| +0.4 | Round 5 | MIXED NUTS | 9 | 1♠ | ♥Q | +2 | -6 |
| +0.3 | Round 1 | FLYHIGH | 1 | 4♥ | ♠7 | +3 | -10 |
| +0.3 | Round 5 | MIXED NUTS | 6 | 3♦ | ♥3 | +3 | -6 |
| +0.3 | Round 7 | DITI | 6 | 4♥ | ♦K | = | +0 |
| +0.3 | Round 8 | CHINA1 | 22 | 4♠ | ♥K | +2 | -11 |
| +0.2 | Round 4 | PATRICK SAADA | 22 | 2♥ | ♦Q | +2 | -6 |
| +0.2 | Round 6 | DH888 | 25 | 4♠ | ♣3 | +1 | +0 |
| +0.1 | Round 5 | MIXED NUTS | 3 | 4♠ | ♥A | = | +13 |
| +0.0 | Round 1 | FLYHIGH | 8 | 5♣x | ♥A | -1 | +0 |
| +0.0 | Round 5 | MIXED NUTS | 1 | Pass | +3 | ||
| -0.1 | Round 6 | DH888 | 28 | 4♠ | ♦6 | +1 | +11 |
| -0.1 | Round 8 | CHINA1 | 21 | 2♠ | ♣T | = | +1 |
| -0.2 | Round 3 | CARE | 11 | 3NT | ♦5 | +2 | +0 |
| -0.3 | Round 6 | DH888 | 16 | 4♥ | ♦6 | = | +0 |
| -0.3 | Round 7 | DITI | 8 | 4♥ | ♣7 | = | +0 |
| -0.4 | Round 3 | CARE | 7 | 4♥ | ♦6 | = | +0 |
| -0.5 | Round 7 | DITI | 14 | 4♠ | ♥9 | -1 | -4 |
| -0.5 | Round 8 | CHINA1 | 23 | 2♠ | ♥Q | = | -9 |
| -0.5 | Round 8 | CHINA1 | 25 | 3NT | ♦5 | +2 | +0 |
| -0.6 | Round 1 | FLYHIGH | 5 | 2♦ | ♥5 | -1 | -3 |
| -0.6 | Round 3 | CARE | 6 | 2♠ | ♥4 | -1 | -7 |
| -0.8 | Round 1 | FLYHIGH | 10 | 4♥ | ♦7 | +1 | +0 |
| -0.8 | Round 3 | CARE | 13 | 6♥ | ♥2 | +1 | -13 |
| -0.9 | Round 2 | DAISY CHAIN | 27 | 4♥ | ♣5 | +1 | +0 |
| -0.9 | Round 5 | MIXED NUTS | 11 | 4♠ | ♥T | +1 | -1 |
| -0.9 | Round 6 | DH888 | 27 | 4♥ | ♠A | = | +1 |
| -1.0 | Round 3 | CARE | 4 | 3NT | ♠5 | +3 | +17 |
| -1.0 | Round 6 | DH888 | 26 | 3NT | ♥4 | = | +1 |
| -1.1 | Round 3 | CARE | 5 | 4♥ | ♦2 | +1 | +0 |
| -1.1 | Round 3 | CARE | 14 | 4♠ | ♣3 | +1 | +0 |
| -1.1 | Round 7 | DITI | 12 | 4♠ | ♠8 | -1 | +3 |
| -1.2 | Round 8 | CHINA1 | 26 | 3♥ | ♠K | -2 | -3 |
| -1.5 | Round 1 | FLYHIGH | 14 | 4♥ | ♠5 | +1 | +0 |
| -1.6 | Round 7 | DITI | 5 | 2♦ | ♥T | -1 | +0 |
| -1.9 | Round 2 | DAISY CHAIN | 28 | 3NT | ♣6 | +1 | +1 |
| -2.0 | Round 3 | CARE | 1 | 4♥ | ♠A | -2 | +0 |
| -2.2 | Round 1 | FLYHIGH | 9 | 3♠ | ♥A | = | -7 |
| -2.2 | Round 4 | PATRICK SAADA | 20 | 3NT | ♦6 | -2 | -2 |
| -2.5 | Round 4 | PATRICK SAADA | 28 | 3♠ | ♦9 | -1 | -5 |
| -2.5 | Round 6 | DH888 | 23 | 3♦ | ♣K | -1 | +0 |
| -2.6 | Round 3 | CARE | 12 | 3♥ | ♠5 | +1 | -10 |
| -2.6 | Round 6 | DH888 | 15 | 1♠ | ♥T | -1 | -5 |
| -2.6 | Round 6 | DH888 | 24 | 4♠ | ♥A | = | -3 |
| -2.8 | Round 6 | DH888 | 17 | 4♥ | ♦K | = | -3 |
| -2.8 | Round 8 | CHINA1 | 17 | 6NT | ♥6 | = | +0 |
| -2.9 | Round 6 | DH888 | 20 | 3NT | ♦9 | -1 | -6 |
| -3.2 | Round 2 | DAISY CHAIN | 16 | 3♠ | ♥K | -2 | -1 |
| -3.4 | Round 2 | DAISY CHAIN | 15 | 3♦ | ♥K | -2 | -2 |
| -3.4 | Round 8 | CHINA1 | 28 | 4♠ | ♥Q | -2 | -11 |
| -3.5 | Round 5 | MIXED NUTS | 5 | 3♥ | ♠8 | -2 | -7 |
| -3.7 | Round 7 | DITI | 1 | 4♥ | ♠2 | -1 | -10 |
| -4.5 | Round 4 | PATRICK SAADA | 25 | 3♦ | ♥2 | -2 | -6 |
| -4.6 | Round 7 | DITI | 3 | 1♠ | ♣3 | -3 | -7 |
| -4.6 | Round 8 | CHINA1 | 27 | 4♠ | ♣T | -3 | -6 |
| -5.3 | Round 6 | DH888 | 22 | 4♥ | ♠J | -1 | -5 |
| -5.4 | Round 2 | DAISY CHAIN | 26 | 3♠ | ♥9 | = | +0 |
| -5.7 | Round 3 | CARE | 8 | 3NT | ♣2 | -1 | -10 |
| -5.8 | Round 1 | FLYHIGH | 11 | 3NT | ♥9 | = | +0 |
| -6.0 | Round 8 | CHINA1 | 19 | 4♠ | ♥A | = | +0 |
| -6.1 | Round 3 | CARE | 10 | 3NT | ♦Q | -1 | -6 |
| -6.2 | Round 8 | CHINA1 | 15 | 6♠ | ♣6 | = | +0 |
| -6.4 | Round 8 | CHINA1 | 20 | 4♣ | ♠3 | -3 | -4 |
| -6.7 | Round 5 | MIXED NUTS | 10 | 3NT | ♣K | +1 | +0 |
| -7.8 | Round 5 | MIXED NUTS | 8 | 6♣ | ♥6 | = | +2 |
| -8.4 | Round 4 | PATRICK SAADA | 26 | 4♠ | ♣3 | = | -3 |
| -8.8 | Round 6 | DH888 | 18 | 5♣ | ♦2 | = | -7 |
| -9.1 | Round 1 | FLYHIGH | 6 | 4♥ | ♣A | -1 | -10 |
| -9.4 | Round 2 | DAISY CHAIN | 18 | 3NT | ♦T | -3 | -10 |
| -11.1 | Round 2 | DAISY CHAIN | 24 | 5♣x | ♦2 | = | -10 |