🇿🇦 BOSENBERG Christopher Henry · SOUTH AFRICA
37rank
-105.5Butler · 153 bds
-0.69per board
±5.0swing
-0.32vs par /bd · #15/18
-0.30adjusted /bd
by round
vs par split: bidding -0.35 · play -0.34
Strength of schedule: opponents averaged +0.39/bd (a tough draw) → opponent-adjusted -0.30/bd
Card play — on target: opening leads 100.0% #1 of 18 · declarer play 68.4% #16 of 18 · defence 81.8% #17 of 18
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 100.0% (18) |
| Declarer play | · | 68.4% (19) |
| Defence | · | 81.8% (44) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 100.0% (6) · ♦ 100.0% (5) · ♣ 100.0% (4)
vs par by strain: a suit -0.42 (101)
vs par by level: part-score +0.32 (50) · game -1.26 (43) · slam -0.50 (8)
By role: declaring -1.32/bd (-2.19 vs par · 78) · defending -0.04/bd (+1.52 vs par · 75)
By vulnerability: vulnerable -0.60/bd (-0.90 vs par · 67) · not vulnerable -0.76/bd (+0.23 vs par · 86)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | N.Eber | F.Fantoni – C.Nunes | Open | 16 | +41.6 | +2.60 | +1.00 |
| Quarterfinal | N.Eber | G.Duboin – N.Bocchi | Closed | 16 | -10.5 | -0.66 | +0.50 |
| Quarterfinal | N.Eber | N.Bocchi – G.Duboin | Closed | 16 | -6.1 | -0.38 | +0.62 |
| Quarterfinal | N.Eber | N.Bocchi – G.Duboin | Closed | 16 | -7.5 | -0.47 | +1.06 |
| Quarterfinal | N.Eber | G.Duboin – N.Bocchi | Closed | 16 | -41.0 | -2.56 | · |
| Semifinal | N.Eber | M.Rosenberg – Z.Mahmood | Open | 16 | -10.9 | -0.68 | -2.75 |
| Semifinal | N.Eber | M.Rosenberg – Z.Mahmood | Open | 9 | -14.1 | -1.57 | -2.11 |
| Play-off | N.Eber | B.Drijver – S.Brink | Closed | 16 | -16.0 | -1.00 | -0.88 |
| Play-off | N.Eber | B.Drijver – S.Brink | Closed | 16 | -46.0 | -2.88 | -1.50 |
| Play-off | N.Eber | T.Bakkeren – H.Bertens | Open | 16 | +5.0 | +0.31 | +0.38 |
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 |
|---|---|---|---|---|---|---|---|
| +14.0 | Play-off | 🇳🇱 NETHERLANDS | 16 | 6♣ | ♦A | -1 | +10 |
| +11.0 | Play-off | 🇳🇱 NETHERLANDS | 8 | 3N | ♣J | = | -1 |
| +11.0 | Play-off | 🇳🇱 NETHERLANDS | 17 | 4♠ | ♥Q | +2 | +11 |
| +11.0 | Play-off | 🇳🇱 NETHERLANDS | 34 | 3♥ | ♠8 | -2 | -11 |
| +11.0 | Play-off | 🇳🇱 NETHERLANDS | 39 | 4♠ | ♥K | -1 | +9 |
| +10.0 | Play-off | 🇳🇱 NETHERLANDS | 6 | 5♦ | ♠K | = | +0 |
| +9.3 | Quarterfinal | 🇮🇹 ITALY | 31 | 6♠ | ♦ | -1 | +14 |
| +7.9 | Quarterfinal | 🇮🇹 ITALY | 5 | 3♣ | ♠7 | = | +9 |
| +7.6 | Quarterfinal | 🇮🇹 ITALY | 2 | 6♣ | ♠6 | = | +0 |
| +7.0 | Semifinal | 🇺🇸 USA 1 | 22 | 3N | ♠6 | = | +11 |
| +6.7 | Quarterfinal | 🇮🇹 ITALY | 15 | 4♠x | ♥A | = | +9 |
| +6.1 | Quarterfinal | 🇮🇹 ITALY | 96 | 6♠ | ♣ | = | · |
| +6.0 | Play-off | 🇳🇱 NETHERLANDS | 25 | 1♠ | ♣K | +2 | -10 |
| +5.6 | Quarterfinal | 🇮🇹 ITALY | 12 | 4♠ | ♣K | -2 | +7 |
| +5.6 | Quarterfinal | 🇮🇹 ITALY | 44 | 3♦ | ♥8 | -1 | +5 |
| +5.4 | Quarterfinal | 🇮🇹 ITALY | 11 | 3♣ | ♣A | -1 | +5 |
| +5.0 | Play-off | 🇳🇱 NETHERLANDS | 40 | 3♦ | ♠Q | -2 | +0 |
| +4.0 | Quarterfinal | 🇮🇹 ITALY | 1 | 3♥ | ♣A | -1 | +4 |
| +3.7 | Semifinal | 🇺🇸 USA 1 | 29 | 6♦ | ♠K | +1 | -13 |
| +3.6 | Quarterfinal | 🇮🇹 ITALY | 55 | 4♠ | ♥10 | +1 | +13 |
| +3.4 | Quarterfinal | 🇮🇹 ITALY | 91 | 3N | ♥4 | = | · |
| +3.3 | Quarterfinal | 🇮🇹 ITALY | 40 | 4♥ | ♣A | -2 | +6 |
| +3.3 | Semifinal | 🇺🇸 USA 1 | 25 | 1N | ♥Q | = | -1 |
| +3.0 | Semifinal | 🇺🇸 USA 1 | 17 | 4♥ | ♦7 | = | +3 |
| +2.9 | Quarterfinal | 🇮🇹 ITALY | 8 | 2♦ | ♣7 | -1 | +2 |
| +2.9 | Quarterfinal | 🇮🇹 ITALY | 46 | 2♦ | ♦ | = | +0 |
| +2.7 | Semifinal | 🇺🇸 USA 1 | 24 | 3N | ♦10 | -3 | +7 |
| +2.3 | Quarterfinal | 🇮🇹 ITALY | 18 | 1N | ♠ | -1 | +4 |
| +2.0 | Quarterfinal | 🇮🇹 ITALY | 26 | 6♣ | ♥10 | +1 | +7 |
| +2.0 | Quarterfinal | 🇮🇹 ITALY | 85 | 4♠ | ♦3 | = | · |
| +2.0 | Semifinal | 🇺🇸 USA 1 | 18 | 1N | ♦10 | +3 | -6 |
| +2.0 | Play-off | 🇳🇱 NETHERLANDS | 36 | 2♥ | ♦2 | +1 | +0 |
| +2.0 | Play-off | 🇳🇱 NETHERLANDS | 38 | 4♥ | ♦K | -1 | -5 |
| +1.9 | Quarterfinal | 🇮🇹 ITALY | 7 | 3♠ | ♣A | = | +0 |
| +1.9 | Quarterfinal | 🇮🇹 ITALY | 60 | 4♦ | ♠2 | -1 | +6 |
| +1.7 | Quarterfinal | 🇮🇹 ITALY | 27 | 4♠ | ♦A | +1 | +0 |
| +1.7 | Semifinal | 🇺🇸 USA 1 | 34 | 2♠ | ♥2 | +3 | +10 |
| +1.5 | Semifinal | 🇺🇸 USA 1 | 48 | 3♦ | ♥3 | -1 | +0 |
| +1.4 | Quarterfinal | 🇮🇹 ITALY | 4 | 2♥ | ♠J | +3 | -9 |
| +1.3 | Quarterfinal | 🇮🇹 ITALY | 50 | 4♥ | ♦A | -3 | +4 |
| +1.1 | Quarterfinal | 🇮🇹 ITALY | 23 | 4♦ | ♣ | +1 | +10 |
| +1.1 | Quarterfinal | 🇮🇹 ITALY | 34 | 3♣ | ♣5 | = | +9 |
| +1.1 | Quarterfinal | 🇮🇹 ITALY | 62 | 2♦ | ♣3 | +1 | +0 |
| +1.0 | Semifinal | 🇺🇸 USA 1 | 23 | 2♦ | ♥A | -1 | -5 |
| +1.0 | Play-off | 🇳🇱 NETHERLANDS | 44 | 1N | ♥3 | +1 | -1 |
| +0.9 | Quarterfinal | 🇮🇹 ITALY | 36 | 2♦ | ♣6 | +2 | +0 |
| +0.9 | Quarterfinal | 🇮🇹 ITALY | 56 | 4♥ | ♠A | -1 | +2 |
| +0.7 | Quarterfinal | 🇮🇹 ITALY | 28 | 3N | +3 | +11 | |
| +0.7 | Quarterfinal | 🇮🇹 ITALY | 83 | 1N | ♥3 | +2 | · |
| +0.6 | Quarterfinal | 🇮🇹 ITALY | 13 | 3♦ | ♦4 | +1 | +0 |
| +0.6 | Quarterfinal | 🇮🇹 ITALY | 14 | 4♠ | ♣6 | = | -11 |
| +0.6 | Quarterfinal | 🇮🇹 ITALY | 57 | 5♦x | ♠K | -1 | -5 |
| +0.4 | Quarterfinal | 🇮🇹 ITALY | 3 | 4♥ | ♣4 | +1 | +0 |
| +0.3 | Quarterfinal | 🇮🇹 ITALY | 45 | 4♥ | ♥2 | +1 | +0 |
| +0.3 | Semifinal | 🇺🇸 USA 1 | 26 | 3N | ♠3 | +2 | +0 |
| -0.0 | Quarterfinal | 🇮🇹 ITALY | 9 | 1N | ♣6 | = | +1 |
| -0.0 | Quarterfinal | 🇮🇹 ITALY | 10 | 4♠ | ♠4 | +1 | +0 |
| +0.0 | Quarterfinal | 🇮🇹 ITALY | 19 | 4♥ | ♠9 | = | -1 |
| -0.0 | Quarterfinal | 🇮🇹 ITALY | 38 | 4♠ | ♠6 | = | +0 |
| -0.0 | Quarterfinal | 🇮🇹 ITALY | 52 | 3♣ | ♠K | +1 | +0 |
| -0.0 | Quarterfinal | 🇮🇹 ITALY | 59 | 4♠ | ♠2 | +1 | +0 |
| +0.0 | Quarterfinal | 🇮🇹 ITALY | 88 | 4♥ | ♦3 | -2 | · |
| +0.0 | Quarterfinal | 🇮🇹 ITALY | 92 | 6N | ♥10 | = | · |
| -0.0 | Semifinal | 🇺🇸 USA 1 | 28 | 5♥ | ♠6 | -1 | -6 |
| -0.0 | Semifinal | 🇺🇸 USA 1 | 32 | 2N | ♦4 | +1 | +0 |
| -0.0 | Semifinal | 🇺🇸 USA 1 | 43 | 4♥ | ♦2 | = | -1 |
| -0.0 | Semifinal | 🇺🇸 USA 1 | 46 | 4♥ | ♣J | -1 | -4 |
| -0.0 | Semifinal | 🇺🇸 USA 1 | 47 | 3♦ | ♠3 | +1 | +0 |
| -0.0 | Play-off | 🇳🇱 NETHERLANDS | 1 | 1N | ♥4 | +2 | -1 |
| -0.0 | Play-off | 🇳🇱 NETHERLANDS | 4 | 1N | ♠3 | +2 | +10 |
| -0.0 | Play-off | 🇳🇱 NETHERLANDS | 5 | 5♥ | ♦K | = | -11 |
| -0.0 | Play-off | 🇳🇱 NETHERLANDS | 10 | 3♠x | ♥A | -2 | -8 |
| -0.0 | Play-off | 🇳🇱 NETHERLANDS | 12 | 4♥ | ♠Q | +2 | -11 |
| -0.0 | Play-off | 🇳🇱 NETHERLANDS | 15 | 4♥ | ♦9 | -3 | -2 |
| -0.0 | Play-off | 🇳🇱 NETHERLANDS | 19 | 3♠ | ♦J | = | +6 |
| -0.0 | Play-off | 🇳🇱 NETHERLANDS | 21 | 4♥ | ♠7 | = | -8 |
| -0.0 | Play-off | 🇳🇱 NETHERLANDS | 23 | 3N | ♣J | -3 | -14 |
| -0.0 | Play-off | 🇳🇱 NETHERLANDS | 24 | 5♠ | ♦K | +1 | -8 |
| -0.0 | Play-off | 🇳🇱 NETHERLANDS | 27 | 4♠ | ♦3 | -1 | +10 |
| -0.0 | Play-off | 🇳🇱 NETHERLANDS | 30 | 3N | ♣J | = | +0 |
| -0.0 | Play-off | 🇳🇱 NETHERLANDS | 31 | 4♠ | ♣3 | = | -10 |
| +0.0 | Play-off | 🇳🇱 NETHERLANDS | 41 | 4♥ | ♠A | = | +11 |
| +0.0 | Play-off | 🇳🇱 NETHERLANDS | 42 | 4♠ | ♥A | +1 | +0 |
| +0.0 | Play-off | 🇳🇱 NETHERLANDS | 43 | 2♦ | = | +0 | |
| +0.0 | Play-off | 🇳🇱 NETHERLANDS | 46 | 3N | ♣ | -2 | +6 |
| +0.0 | Play-off | 🇳🇱 NETHERLANDS | 47 | 3N | ♠7 | -2 | +11 |
| -0.1 | Quarterfinal | 🇮🇹 ITALY | 16 | 3N | ♦5 | +1 | +1 |
| -0.3 | Quarterfinal | 🇮🇹 ITALY | 47 | 3N | ♣6 | +1 | +0 |
| -0.3 | Semifinal | 🇺🇸 USA 1 | 20 | 1N | ♦5 | +1 | +1 |
| -0.4 | Quarterfinal | 🇮🇹 ITALY | 87 | 3N | ♥2 | -1 | · |
| -0.6 | Quarterfinal | 🇮🇹 ITALY | 21 | 3N | ♠8 | +1 | +0 |
| -0.7 | Quarterfinal | 🇮🇹 ITALY | 54 | 3♠ | ♦K | = | +0 |
| -0.7 | Quarterfinal | 🇮🇹 ITALY | 95 | 1N | ♥4 | +1 | · |
| -0.9 | Quarterfinal | 🇮🇹 ITALY | 30 | 5♦ | ♥K | -2 | +5 |
| -1.0 | Quarterfinal | 🇮🇹 ITALY | 35 | 4♥ | ♦4 | = | -1 |
| -1.0 | Quarterfinal | 🇮🇹 ITALY | 39 | 3N | ♠Q | = | -1 |
| -1.0 | Play-off | 🇳🇱 NETHERLANDS | 3 | 4♥ | ♦3 | +2 | +11 |
| -1.0 | Play-off | 🇳🇱 NETHERLANDS | 14 | 1N | ♣2 | +3 | +6 |
| -1.0 | Play-off | 🇳🇱 NETHERLANDS | 48 | 3N | ♥10 | = | -1 |
| -1.1 | Quarterfinal | 🇮🇹 ITALY | 33 | 3N | ♥3 | +3 | -1 |
| -1.1 | Quarterfinal | 🇮🇹 ITALY | 41 | 3♣ | ♥A | = | +0 |
| -1.1 | Quarterfinal | 🇮🇹 ITALY | 61 | 1N | ♥4 | = | -5 |
| -1.1 | Quarterfinal | 🇮🇹 ITALY | 63 | 3N | ♣4 | +2 | -1 |
| -1.4 | Quarterfinal | 🇮🇹 ITALY | 37 | 4♦ | ♠9 | +1 | +8 |
| -1.7 | Quarterfinal | 🇮🇹 ITALY | 24 | 2♥ | -3 | -1 | |
| -1.9 | Quarterfinal | 🇮🇹 ITALY | 49 | 3N | ♣4 | +2 | +11 |
| -2.0 | Quarterfinal | 🇮🇹 ITALY | 86 | 5♣x | ♠2 | -2 | · |
| -2.0 | Semifinal | 🇺🇸 USA 1 | 33 | 1N | ♣A | = | +0 |
| -2.0 | Play-off | 🇳🇱 NETHERLANDS | 45 | 3N | ♦6 | = | -1 |
| -2.3 | Quarterfinal | 🇮🇹 ITALY | 58 | 3♥ | ♣4 | -1 | +1 |
| -2.4 | Quarterfinal | 🇮🇹 ITALY | 20 | 6♣ | ♥K | = | -7 |
| -2.4 | Quarterfinal | 🇮🇹 ITALY | 82 | 1N | ♥10 | -1 | · |
| -2.6 | Quarterfinal | 🇮🇹 ITALY | 17 | 3♦ | ♣K | = | -1 |
| -2.6 | Quarterfinal | 🇮🇹 ITALY | 53 | 3♥ | ♣K | -1 | +2 |
| -3.0 | Quarterfinal | 🇮🇹 ITALY | 22 | 3N | ♥A | = | -10 |
| -3.0 | Semifinal | 🇺🇸 USA 1 | 30 | 3♦ | ♦3 | -3 | -6 |
| -3.0 | Semifinal | 🇺🇸 USA 1 | 45 | 4♠ | ♥5 | -2 | -13 |
| -3.0 | Play-off | 🇳🇱 NETHERLANDS | 20 | 2♥ | ♣K | -3 | +8 |
| -3.1 | Quarterfinal | 🇮🇹 ITALY | 51 | 3N | ♦7 | = | +1 |
| -3.3 | Quarterfinal | 🇮🇹 ITALY | 6 | 4♥x | ♥6 | -2 | -2 |
| -3.7 | Quarterfinal | 🇮🇹 ITALY | 93 | 3N | ♥3 | +1 | · |
| -4.0 | Play-off | 🇳🇱 NETHERLANDS | 33 | 2♥x | ♦Q | -2 | +3 |
| -4.1 | Quarterfinal | 🇮🇹 ITALY | 64 | 5♥ | ♠A | -1 | -12 |
| -4.3 | Quarterfinal | 🇮🇹 ITALY | 48 | 3N | ♠2 | -3 | -10 |
| -4.3 | Semifinal | 🇺🇸 USA 1 | 37 | 4♠x | ♣A | -1 | -6 |
| -4.6 | Quarterfinal | 🇮🇹 ITALY | 42 | 2♥ | ♣10 | = | -5 |
| -4.7 | Semifinal | 🇺🇸 USA 1 | 27 | 3♦ | ♣A | -2 | +8 |
| -4.9 | Quarterfinal | 🇮🇹 ITALY | 29 | 3♠ | = | +0 | |
| -5.3 | Quarterfinal | 🇮🇹 ITALY | 94 | 4♥x | ♠8 | -1 | · |
| -5.3 | Semifinal | 🇺🇸 USA 1 | 31 | 2♠ | ♥Q | = | -6 |
| -5.4 | Quarterfinal | 🇮🇹 ITALY | 43 | 4♣ | ♠3 | -2 | +0 |
| -5.6 | Quarterfinal | 🇮🇹 ITALY | 25 | 3N | ♠10 | -1 | -10 |
| -5.9 | Quarterfinal | 🇮🇹 ITALY | 32 | 4♠ | ♠2 | = | -13 |
| -6.0 | Play-off | 🇳🇱 NETHERLANDS | 9 | 3♠ | ♠5 | -1 | +1 |
| -6.3 | Quarterfinal | 🇮🇹 ITALY | 84 | 3N | ♠J | -1 | · |
| -7.0 | Play-off | 🇳🇱 NETHERLANDS | 29 | 3♠ | ♣Q | -1 | -6 |
| -7.0 | Play-off | 🇳🇱 NETHERLANDS | 32 | 2♥ | ♣K | +1 | -7 |
| -7.0 | Play-off | 🇳🇱 NETHERLANDS | 35 | 1N | ♠2 | = | -2 |
| -8.0 | Semifinal | 🇺🇸 USA 1 | 42 | 4♥ | ♦5 | -3 | -5 |
| -8.0 | Play-off | 🇳🇱 NETHERLANDS | 7 | 2♥ | ♣4 | +1 | +0 |
| -8.4 | Quarterfinal | 🇮🇹 ITALY | 89 | 4♠x | ♣K | -2 | · |
| -9.0 | Play-off | 🇳🇱 NETHERLANDS | 11 | 2♠ | ♥K | +2 | +1 |
| -9.0 | Play-off | 🇳🇱 NETHERLANDS | 26 | 2♥ | ♦10 | = | +0 |
| -9.3 | Semifinal | 🇺🇸 USA 1 | 21 | 7♠ | ♥6 | -2 | -14 |
| -10.0 | Play-off | 🇳🇱 NETHERLANDS | 22 | 4♠ | ♣8 | = | -7 |
| -11.3 | Semifinal | 🇺🇸 USA 1 | 19 | 7Nx | -1 | -17 | |
| -11.6 | Quarterfinal | 🇮🇹 ITALY | 90 | 6♥x | ♦K | -1 | · |
| -12.0 | Play-off | 🇳🇱 NETHERLANDS | 2 | 3♠ | ♥K | = | -7 |
| -12.4 | Quarterfinal | 🇮🇹 ITALY | 81 | 4♠x | ♥2 | -4 | · |
| -13.0 | Play-off | 🇳🇱 NETHERLANDS | 18 | 6♠ | ♦6 | = | -1 |
| -13.0 | Play-off | 🇳🇱 NETHERLANDS | 37 | 4♠ | ♣K | +2 | -13 |
| -14.0 | Play-off | 🇳🇱 NETHERLANDS | 13 | 3♠x | ♥9 | -3 | -12 |
| -14.0 | Play-off | 🇳🇱 NETHERLANDS | 28 | 2♥x | ♠A | -4 | +12 |