KORBEL Daniel · ZHANG
vs par split: bidding -0.52 · play -0.71
Strength of schedule: opponents averaged +0.23/bd (a tough draw) → opponent-adjusted -0.06/bd
Card play — on target: opening leads 70.0% #71 of 94 · declarer play 75.0% #56 of 94 · defence 84.2% #43 of 94
Bidding activity — not a pass: 55.6% #4 of 94 (84/151)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 66.7% (9) |
| Declarer play | 66.7% (6) | 80.0% (10) |
| Defence | 100.0% (4) | 80.0% (15) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (1) · ♦ 50.0% (2) · ♣ 75.0% (4)
vs par by strain: NT -0.41 (17) · a suit -1.59 (39)
vs par by level: part-score -0.19 (21) · game -1.86 (35)
By role: declaring -0.49/bd (-2.87 vs par · 37) · defending +0.10/bd (+1.95 vs par · 19)
By vulnerability: vulnerable -1.02/bd (-2.04 vs par · 28) · not vulnerable +0.44/bd (-0.43 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | S.Zhang | B.Dessi – L.Cima | Open | 8 | -10.1 | -1.26 | -2.50 |
| Round 2 | S.Zhang | L.Kohutova – O.Bahnik | Closed | 8 | +0.9 | +0.11 | -3.12 |
| Round 3 | S.Zhang | R.Jagniewski – D.Lucka | Open | 8 | -4.5 | -0.56 | +2.25 |
| Round 4 | S.Zhang | N.Hammelev – E.Rosthoej | Closed | 8 | +4.7 | +0.59 | -3.00 |
| Round 5 | S.Zhang | S.Hult – A.Lundberg | Open | 8 | +15.5 | +1.94 | +1.88 |
| Round 6 | S.Zhang | A.Tartarin – Q.Robert | Open | 8 | -5.3 | -0.66 | -1.88 |
| Round 7 | S.Zhang | N.Sver – V.Zoric | Closed | 8 | -17.4 | -2.17 | -2.25 |
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 |
|---|---|---|---|---|---|---|---|
| +7.5 | Round 7 | CROATIA | 31 | 3♠x | ♣5 | -2 | +3 |
| +7.1 | Round 1 | BERNAL | 1 | 5♣x | ♥3 | -3 | +8 |
| +7.0 | Round 2 | BAHNICI | 11 | 3♦ | ♣A | -1 | +8 |
| +6.9 | Round 5 | LUNDBERG | 10 | 4♥ | ♠A | = | +0 |
| +6.7 | Round 6 | DAISY CHAIN | 23 | 3NT | ♥T | = | +0 |
| +4.9 | Round 1 | BERNAL | 5 | 4♥ | ♦J | +1 | +1 |
| +4.3 | Round 3 | GROUP ONE TEAM | 19 | 3NT | ♥3 | -1 | +11 |
| +4.3 | Round 5 | LUNDBERG | 11 | 4♥ | ♦Q | = | +7 |
| +4.3 | Round 6 | DAISY CHAIN | 20 | 4♣ | ♠2 | -2 | +3 |
| +3.3 | Round 4 | 2 MANY GINGERS | 8 | 2♠ | ♠T | +1 | -7 |
| +3.3 | Round 5 | LUNDBERG | 14 | 1NT | ♣2 | -1 | +4 |
| +2.6 | Round 4 | 2 MANY GINGERS | 5 | 4♥ | ♣A | = | +0 |
| +2.4 | Round 3 | GROUP ONE TEAM | 23 | 4♥ | ♣7 | +1 | +0 |
| +2.4 | Round 5 | LUNDBERG | 13 | 3NT | ♠Q | +3 | +1 |
| +2.3 | Round 4 | 2 MANY GINGERS | 1 | 3NT | ♠5 | +4 | +2 |
| +2.2 | Round 7 | CROATIA | 28 | 1♥ | ♣6 | +3 | +7 |
| +1.9 | Round 7 | CROATIA | 32 | 3NT | ♣6 | +2 | +0 |
| +1.8 | Round 4 | 2 MANY GINGERS | 2 | 2♦ | ♠T | = | -1 |
| +1.5 | Round 7 | CROATIA | 25 | 2♦ | ♣4 | -1 | -1 |
| +1.4 | Round 2 | BAHNICI | 16 | 4♥ | ♣K | +2 | -12 |
| +1.4 | Round 3 | GROUP ONE TEAM | 20 | 3♠ | ♠T | = | +10 |
| +1.4 | Round 4 | 2 MANY GINGERS | 7 | 3NT | ♥6 | +2 | +1 |
| +1.3 | Round 4 | 2 MANY GINGERS | 3 | 5♦x | ♠8 | -3 | -4 |
| +1.2 | Round 3 | GROUP ONE TEAM | 21 | 2♠ | ♣3 | +3 | +10 |
| +1.2 | Round 5 | LUNDBERG | 16 | 3NT | ♥4 | +3 | +1 |
| +1.1 | Round 1 | BERNAL | 2 | 3NT | ♥3 | +1 | +0 |
| +0.8 | Round 3 | GROUP ONE TEAM | 18 | 1NT | ♣8 | +1 | +0 |
| +0.5 | Round 3 | GROUP ONE TEAM | 22 | 3NT | ♦2 | = | -1 |
| +0.5 | Round 4 | 2 MANY GINGERS | 6 | 4♥ | ♣3 | -1 | -6 |
| +0.4 | Round 5 | LUNDBERG | 9 | 4♥ | ♣5 | = | +0 |
| +0.4 | Round 6 | DAISY CHAIN | 19 | 4♠ | ♦2 | -1 | +10 |
| +0.3 | Round 6 | DAISY CHAIN | 18 | 4♥ | ♠5 | = | +0 |
| +0.1 | Round 2 | BAHNICI | 10 | 4♠ | ♣A | = | +0 |
| -0.2 | Round 2 | BAHNICI | 13 | 4♥ | ♦J | +2 | +13 |
| -0.5 | Round 2 | BAHNICI | 14 | 4♥ | ♣2 | -2 | -5 |
| -0.7 | Round 2 | BAHNICI | 15 | 1NT | ♦Q | +1 | -7 |
| -0.8 | Round 1 | BERNAL | 8 | 3NT | ♥6 | = | -1 |
| -1.3 | Round 6 | DAISY CHAIN | 17 | 2♠ | ♠3 | +1 | -1 |
| -1.4 | Round 3 | GROUP ONE TEAM | 24 | 3♥ | ♣A | -1 | +2 |
| -1.4 | Round 5 | LUNDBERG | 15 | 1NT | ♣A | = | +0 |
| -1.5 | Round 7 | CROATIA | 27 | 2♥ | ♦K | -2 | +1 |
| -1.6 | Round 5 | LUNDBERG | 12 | 1NT | ♣T | = | +2 |
| -1.8 | Round 6 | DAISY CHAIN | 24 | 4♠ | ♥Q | -1 | -11 |
| -2.4 | Round 2 | BAHNICI | 12 | 2NT | ♦2 | -1 | -10 |
| -3.8 | Round 2 | BAHNICI | 9 | 4♥ | ♠Q | -1 | -12 |
| -4.0 | Round 7 | CROATIA | 30 | 4♠ | ♥A | -1 | -5 |
| -5.0 | Round 1 | BERNAL | 7 | 3♣ | ♦3 | = | -5 |
| -5.1 | Round 1 | BERNAL | 6 | 4♥ | ♣3 | = | +0 |
| -5.2 | Round 1 | BERNAL | 4 | 5♦ | ♥Q | = | -13 |
| -6.2 | Round 6 | DAISY CHAIN | 21 | 4♥x | ♣K | -2 | -5 |
| -7.1 | Round 1 | BERNAL | 3 | 3NT | ♥4 | -3 | -10 |
| -7.7 | Round 6 | DAISY CHAIN | 22 | 3♦ | ♠J | -2 | -11 |
| -8.5 | Round 4 | 2 MANY GINGERS | 4 | 4♥ | ♦A | = | -9 |
| -12.2 | Round 7 | CROATIA | 26 | 4♠ | ♦T | -1 | -12 |
| -12.8 | Round 7 | CROATIA | 29 | 2♠x | ♠A | -4 | -11 |
| -13.7 | Round 3 | GROUP ONE TEAM | 17 | 4♠x | ♥4 | -4 | -14 |