ZEEBERG Nikolaj Alexander · KAMAZEE
vs par split: bidding +0.19 · play -0.33
Strength of schedule: opponents averaged +0.26/bd (a tough draw) → opponent-adjusted -0.47/bd
Card play — on target: opening leads 82.6% #57 of 132 · declarer play 63.6% #100 of 132 · defence 84.6% #56 of 132
Bidding activity — not a pass: 46.3% #46 of 132 (87/188)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 84.2% (19) |
| Declarer play | 50.0% (2) | 66.7% (9) |
| Defence | 91.7% (12) | 81.5% (27) |
Opening leads by suit led: ♠ 50.0% (6) · ♥ 100.0% (5) · ♦ 100.0% (8) · ♣ 75.0% (4)
vs par by strain: NT -1.26 (23) · a suit +0.40 (47)
vs par by level: part-score -0.50 (28) · game -0.44 (39) · slam +7.00 (3)
By role: declaring -1.87/bd (-4.77 vs par · 31) · defending +0.18/bd (+3.54 vs par · 39)
By vulnerability: vulnerable -1.05/bd (-0.49 vs par · 35) · not vulnerable -0.41/bd (+0.20 vs par · 35)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | F.Zeeberg | H.Ma – Z.Wang | Open | 10 | -23.2 | -2.32 | -0.80 |
| Round 4 | C.Zeeberg | M.Goor – W.Klarenbeek | Open | 10 | +7.9 | +0.79 | +2.40 |
| Round 5 | F.Zeeberg | J.Luczeczko – C.Morawski | Open | 10 | -2.1 | -0.21 | +0.10 |
| Round 6 | C.Zeeberg | S.Liu – Y.Ni | Open | 10 | +2.9 | +0.29 | +4.40 |
| Round 7 | C.Zeeberg | P.Karlik – F.Kubat | Open | 10 | -5.8 | -0.58 | -0.50 |
| Round 8 | F.Zeeberg | A.Gong – E.Xiao | Open | 10 | -17.3 | -1.73 | -3.30 |
| Round 9 | C.Zeeberg | A.Farine – M.Grabowski | Open | 10 | -13.5 | -1.35 | -3.30 |
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 |
|---|---|---|---|---|---|---|---|
| +12.3 | Round 4 | NONE | 23 | 6♥ | ♦J | -1 | +20 |
| +9.2 | Round 9 | WZBS | 16 | 6NT | ♥8 | = | +0 |
| +7.4 | Round 6 | RDFZ R | 19 | 3NT | ♥Q | -1 | +12 |
| +7.0 | Round 5 | POLAND 2 | 1 | 3NT | ♦3 | -1 | +11 |
| +6.0 | Round 5 | POLAND 2 | 6 | 3NT | ♥7 | -1 | +10 |
| +5.6 | Round 7 | CZECH REPUBLIC | 30 | 3NT | ♥A | -3 | +7 |
| +5.3 | Round 5 | POLAND 2 | 4 | 3♠x | ♠T | -2 | +9 |
| +5.3 | Round 7 | CZECH REPUBLIC | 22 | 3NT | ♦6 | -4 | +7 |
| +5.2 | Round 9 | WZBS | 18 | 4♠ | ♦5 | -1 | +12 |
| +5.1 | Round 6 | RDFZ R | 11 | 5♦ | ♣8 | -1 | +10 |
| +4.9 | Round 9 | WZBS | 17 | 4♥ | ♣A | = | -1 |
| +4.4 | Round 8 | BLITZ | 5 | 4♥ | ♣3 | +2 | -8 |
| +3.8 | Round 4 | NONE | 26 | 6♠ | ♠7 | +1 | +1 |
| +3.6 | Round 8 | BLITZ | 9 | 3♥ | ♦J | = | +1 |
| +3.4 | Round 4 | NONE | 25 | 2NT | ♠K | = | +0 |
| +3.3 | Round 8 | BLITZ | 4 | 3NT | ♠J | +2 | -12 |
| +2.7 | Round 8 | BLITZ | 6 | 4♥ | ♠5 | -1 | +10 |
| +2.2 | Round 4 | NONE | 29 | 4♥ | ♥2 | +1 | +0 |
| +1.9 | Round 6 | RDFZ R | 12 | 3NT | ♣4 | -2 | +5 |
| +1.8 | Round 6 | RDFZ R | 15 | 2♥ | ♠K | +1 | +6 |
| +1.7 | Round 7 | CZECH REPUBLIC | 27 | 2♥ | ♣6 | +2 | +6 |
| +1.5 | Round 5 | POLAND 2 | 3 | 1NT | ♥3 | -1 | -2 |
| +0.9 | Round 3 | RDFZ B | 12 | 5♦ | ♠J | = | -2 |
| +0.9 | Round 5 | POLAND 2 | 2 | 4♣ | ♠7 | = | -7 |
| +0.8 | Round 3 | RDFZ B | 18 | 4♠ | ♦K | +1 | -11 |
| +0.6 | Round 9 | WZBS | 13 | 2NT | ♥8 | = | -11 |
| +0.5 | Round 6 | RDFZ R | 20 | 4♠ | ♦K | +1 | +13 |
| +0.1 | Round 6 | RDFZ R | 14 | 4♠ | ♣8 | +1 | +1 |
| +0.1 | Round 8 | BLITZ | 2 | 4♠ | ♥2 | = | +0 |
| -0.2 | Round 3 | RDFZ B | 15 | 4♠ | ♥K | +1 | +0 |
| -0.2 | Round 3 | RDFZ B | 16 | 4♠ | ♥T | = | +0 |
| -0.2 | Round 7 | CZECH REPUBLIC | 26 | 2♠ | ♦3 | +1 | +0 |
| -0.3 | Round 4 | NONE | 28 | 3♥ | ♥7 | -1 | +1 |
| -0.6 | Round 4 | NONE | 27 | 2♠ | ♥2 | = | +1 |
| -0.7 | Round 3 | RDFZ B | 19 | 3NT | ♣5 | +1 | +11 |
| -0.7 | Round 6 | RDFZ R | 18 | 3♠ | ♣K | = | +0 |
| -0.7 | Round 9 | WZBS | 15 | 3♦ | ♥Q | -2 | +0 |
| -1.0 | Round 7 | CZECH REPUBLIC | 21 | 3♦ | ♠A | = | +0 |
| -1.0 | Round 7 | CZECH REPUBLIC | 25 | 1NT | ♥7 | +1 | +0 |
| -1.3 | Round 3 | RDFZ B | 14 | 5♥ | ♠T | +2 | +7 |
| -1.4 | Round 7 | CZECH REPUBLIC | 28 | 2♠ | ♦A | +1 | +0 |
| -1.4 | Round 8 | BLITZ | 1 | 2♥ | ♦2 | +2 | -1 |
| -1.6 | Round 5 | POLAND 2 | 5 | 5♠ | ♦5 | +1 | -1 |
| -2.1 | Round 4 | NONE | 24 | 4♣ | ♥A | = | +7 |
| -2.2 | Round 9 | WZBS | 11 | 2♠ | ♥3 | +2 | +7 |
| -2.3 | Round 6 | RDFZ R | 13 | 2NT | ♠J | = | +0 |
| -2.6 | Round 3 | RDFZ B | 11 | 2♦ | ♠6 | -1 | +1 |
| -2.6 | Round 4 | NONE | 30 | 5♠ | ♣7 | = | +0 |
| -2.6 | Round 5 | POLAND 2 | 10 | 3NT | ♦T | -2 | -8 |
| -2.8 | Round 5 | POLAND 2 | 7 | 3♣ | ♦A | = | -6 |
| -3.0 | Round 8 | BLITZ | 10 | 3NT | ♥7 | +1 | +0 |
| -3.0 | Round 9 | WZBS | 12 | 2NT | ♦3 | -2 | -6 |
| -3.1 | Round 7 | CZECH REPUBLIC | 29 | 1NT | ♦6 | -1 | -5 |
| -3.2 | Round 5 | POLAND 2 | 8 | 3♠ | ♣6 | -3 | -2 |
| -3.9 | Round 4 | NONE | 21 | 3NT | ♥A | +1 | +0 |
| -4.2 | Round 6 | RDFZ R | 16 | 4♠ | ♦Q | = | +0 |
| -4.3 | Round 4 | NONE | 22 | 4♥ | ♠2 | -1 | -6 |
| -4.4 | Round 7 | CZECH REPUBLIC | 24 | 4♠ | ♣A | = | -8 |
| -5.5 | Round 3 | RDFZ B | 17 | 4♥ | ♠A | +1 | -4 |
| -5.9 | Round 3 | RDFZ B | 20 | 2NT | ♥A | = | -11 |
| -6.3 | Round 8 | BLITZ | 8 | 4♠ | ♦K | = | -1 |
| -6.5 | Round 9 | WZBS | 14 | 3NT | ♦8 | +3 | -14 |
| -6.7 | Round 6 | RDFZ R | 17 | 5♣x | ♦Q | = | -3 |
| -7.3 | Round 7 | CZECH REPUBLIC | 23 | 5♠x | ♣3 | -2 | -12 |
| -7.8 | Round 8 | BLITZ | 3 | 4♥ | ♣K | = | -7 |
| -8.5 | Round 3 | RDFZ B | 13 | 3♠ | ♣3 | +1 | +1 |
| -10.0 | Round 9 | WZBS | 20 | 3NT | ♥3 | -2 | -8 |
| -11.0 | Round 9 | WZBS | 19 | 5♠ | ♦K | -2 | -12 |
| -12.6 | Round 5 | POLAND 2 | 9 | 2♠x | ♥3 | -4 | -3 |
| -12.9 | Round 8 | BLITZ | 7 | 3NTx | ♠5 | -2 | -15 |