ZOU Kai · CHINA 2
122rank
+13.2Butler · 98 bds
+0.13per board
±4.4swing
-0.31vs par /bd · #112/161
+0.22adjusted /bd
by round
vs par split: bidding -0.74 · play +0.44
Strength of schedule: opponents averaged +0.09/bd (a tough draw) → opponent-adjusted +0.22/bd
Card play — on target: opening leads 84.0% #56 of 161 · declarer play 59.1% #149 of 161 · defence 89.6% #71 of 161
Bidding activity — not a pass: 42.9% #96 of 161 (124/289)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (8) | 76.5% (17) |
| Declarer play | 0.0% (2) | 65.0% (20) |
| Defence | 91.7% (12) | 88.9% (36) |
Opening leads by suit led: ♠ 87.5% (8) · ♥ 100.0% (5) · ♦ 66.7% (3) · ♣ 77.8% (9)
vs par by strain: NT +1.44 (18) · a suit -0.70 (80)
vs par by level: part-score -0.11 (36) · game -0.61 (56) · slam +1.33 (6)
By role: declaring -0.01/bd (-2.12 vs par · 50) · defending +0.28/bd (+1.58 vs par · 48)
By vulnerability: vulnerable +0.09/bd (-0.78 vs par · 49) · not vulnerable +0.18/bd (+0.16 vs par · 49)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | X.Gao | V.Vroustis – N.Delimpaltadakis | Open | 14 | -3.9 | -0.28 | -2.36 |
| Round 2 | X.Gao | J.Brzustowski – T.Pawluk | Closed | 14 | +6.9 | +0.49 | +1.71 |
| Round 3 | X.Gao | O.Bahnik – J.Slemr | Closed | 14 | +0.0 | +0.00 | +0.43 |
| Round 4 | X.Gao | Y.Han – T.Yang | Open | 14 | +19.3 | +1.38 | +2.93 |
| Round 6 | X.Gao | Z.Shao – S.Sun | Open | 14 | -5.5 | -0.39 | -3.14 |
| Round 7 | X.Gao | N.Zorlu – A.Ucar | Open | 14 | +6.2 | +0.44 | +0.07 |
| Round 8 | X.Gao | S.Cubukcu – I.Cubukcu | Open | 14 | -9.8 | -0.70 | -1.79 |
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 |
|---|---|---|---|---|---|---|---|
| +9.8 | Round 6 | GX2S | 23 | 6♣ | ♠K | = | -1 |
| +8.4 | Round 1 | DUBOIN | 14 | 7♠ | ♠4 | = | +0 |
| +7.7 | Round 4 | PIONEERS | 23 | 3NT | ♣7 | -1 | +6 |
| +7.5 | Round 4 | PIONEERS | 19 | 7♠ | ♠4 | -2 | +20 |
| +7.0 | Round 2 | FAZOKLUB EKO ROZANKA | 28 | 4♠ | ♥3 | -3 | +11 |
| +7.0 | Round 6 | GX2S | 27 | 4♠ | ♥J | = | +8 |
| +6.1 | Round 7 | AGREMAN | 7 | 3♦ | ♠Q | -3 | +9 |
| +6.0 | Round 7 | AGREMAN | 5 | 2♦x | ♠5 | = | +7 |
| +5.9 | Round 4 | PIONEERS | 20 | 3♣ | ♠A | +1 | +0 |
| +5.9 | Round 6 | GX2S | 21 | 4♠ | ♣4 | -2 | +6 |
| +5.6 | Round 7 | AGREMAN | 9 | 5♦ | ♠6 | = | -1 |
| +5.5 | Round 2 | FAZOKLUB EKO ROZANKA | 17 | 5♠ | ♣K | = | +8 |
| +5.5 | Round 3 | CZECHOSLOVAKIA V2 | 2 | 4♥ | ♣2 | -1 | +10 |
| +5.1 | Round 2 | FAZOKLUB EKO ROZANKA | 24 | 3♥ | ♦A | -2 | +8 |
| +4.7 | Round 8 | AVIXA | 26 | 3♥ | ♦T | = | +0 |
| +4.3 | Round 2 | FAZOKLUB EKO ROZANKA | 15 | 3♠ | ♦A | = | +0 |
| +4.3 | Round 3 | CZECHOSLOVAKIA V2 | 14 | 5♦x | ♣K | -2 | +0 |
| +4.3 | Round 4 | PIONEERS | 18 | 3NT | ♦7 | +3 | +11 |
| +4.2 | Round 3 | CZECHOSLOVAKIA V2 | 4 | 5♦ | ♦5 | = | -13 |
| +4.2 | Round 8 | AVIXA | 17 | 3NT | ♠J | -1 | +10 |
| +4.1 | Round 4 | PIONEERS | 22 | 4♥x | ♦J | = | +9 |
| +3.7 | Round 2 | FAZOKLUB EKO ROZANKA | 23 | 2♣ | ♣K | = | +11 |
| +3.6 | Round 4 | PIONEERS | 15 | 3NT | ♣8 | -1 | +11 |
| +3.5 | Round 1 | DUBOIN | 4 | 3NT | ♥T | = | +0 |
| +3.3 | Round 6 | GX2S | 28 | 3♦ | ♠A | +1 | +0 |
| +3.2 | Round 1 | DUBOIN | 12 | 3NT | ♥J | -1 | +6 |
| +2.8 | Round 8 | AVIXA | 25 | 2♥ | ♦Q | = | +6 |
| +2.3 | Round 1 | DUBOIN | 5 | 3♦ | ♦A | -2 | -11 |
| +2.0 | Round 7 | AGREMAN | 8 | 5♥x | ♣5 | -2 | +9 |
| +1.9 | Round 6 | GX2S | 24 | 2♠ | ♠3 | = | +0 |
| +1.8 | Round 8 | AVIXA | 15 | 4♠ | ♦9 | +1 | +0 |
| +1.7 | Round 1 | DUBOIN | 9 | 2♥ | ♠8 | +3 | -6 |
| +1.7 | Round 3 | CZECHOSLOVAKIA V2 | 1 | 5♦x | ♠J | -1 | +0 |
| +1.7 | Round 4 | PIONEERS | 26 | 2♠ | ♣A | -1 | +0 |
| +1.7 | Round 8 | AVIXA | 20 | 2♦ | ♠6 | -1 | +0 |
| +1.5 | Round 1 | DUBOIN | 6 | 2♠ | ♦A | -1 | +11 |
| +1.5 | Round 6 | GX2S | 26 | 2♠ | ♥4 | -1 | +5 |
| +1.3 | Round 3 | CZECHOSLOVAKIA V2 | 12 | 3NT | ♥Q | +1 | +14 |
| +1.1 | Round 7 | AGREMAN | 3 | 4♥ | ♣K | +1 | +0 |
| +0.9 | Round 3 | CZECHOSLOVAKIA V2 | 3 | 3♣ | ♠A | -1 | +2 |
| +0.9 | Round 7 | AGREMAN | 14 | 4♥ | ♠5 | = | +1 |
| +0.8 | Round 6 | GX2S | 17 | 3NT | ♣3 | +2 | +0 |
| +0.7 | Round 3 | CZECHOSLOVAKIA V2 | 6 | 3NT | ♣T | +2 | +1 |
| +0.7 | Round 4 | PIONEERS | 21 | 3NT | ♠9 | +2 | +0 |
| +0.5 | Round 3 | CZECHOSLOVAKIA V2 | 9 | 3♠ | ♦A | -3 | +8 |
| +0.4 | Round 2 | FAZOKLUB EKO ROZANKA | 27 | 4♠ | ♣9 | = | +0 |
| +0.4 | Round 7 | AGREMAN | 1 | 2♥ | ♣Q | = | +0 |
| +0.4 | Round 7 | AGREMAN | 2 | 3♦ | ♥K | -1 | -2 |
| +0.4 | Round 7 | AGREMAN | 11 | 4♠ | ♣Q | +1 | +0 |
| +0.3 | Round 2 | FAZOKLUB EKO ROZANKA | 16 | 4♥ | ♦9 | +1 | +0 |
| +0.1 | Round 1 | DUBOIN | 2 | 4♠ | ♦A | = | -11 |
| -0.1 | Round 1 | DUBOIN | 10 | 4♥ | ♣A | = | +0 |
| -0.1 | Round 3 | CZECHOSLOVAKIA V2 | 8 | 3NT | ♦3 | = | -1 |
| -0.1 | Round 8 | AVIXA | 28 | 2♠ | ♥A | +1 | -10 |
| -0.2 | Round 4 | PIONEERS | 24 | 4♣ | ♠5 | = | +0 |
| -0.2 | Round 8 | AVIXA | 23 | 2♠ | ♦6 | = | +1 |
| -0.3 | Round 2 | FAZOKLUB EKO ROZANKA | 25 | 3♥ | ♣A | -1 | +2 |
| -0.4 | Round 8 | AVIXA | 22 | 2♠ | ♣K | +1 | -7 |
| -0.5 | Round 1 | DUBOIN | 7 | 5♣ | ♦T | = | -3 |
| -0.5 | Round 2 | FAZOKLUB EKO ROZANKA | 26 | 4♠ | ♥3 | +1 | +0 |
| -0.5 | Round 8 | AVIXA | 18 | 3♥ | ♦A | -1 | +0 |
| -0.6 | Round 4 | PIONEERS | 16 | 3NT | ♥4 | +2 | +0 |
| -0.7 | Round 4 | PIONEERS | 25 | 2♦ | ♥3 | -1 | -5 |
| -0.8 | Round 4 | PIONEERS | 27 | 6♥ | ♠2 | = | +0 |
| -0.8 | Round 7 | AGREMAN | 6 | 4♥ | ♠A | = | +0 |
| -0.9 | Round 2 | FAZOKLUB EKO ROZANKA | 22 | 4♠ | ♦4 | +1 | -4 |
| -1.0 | Round 2 | FAZOKLUB EKO ROZANKA | 21 | 3♦ | ♣8 | -1 | -2 |
| -1.4 | Round 1 | DUBOIN | 3 | 2♦ | ♠J | +2 | +0 |
| -1.4 | Round 3 | CZECHOSLOVAKIA V2 | 11 | 3♦ | ♦2 | -1 | -4 |
| -1.6 | Round 1 | DUBOIN | 1 | 3♦ | ♠Q | = | +7 |
| -1.6 | Round 8 | AVIXA | 16 | 4♠ | ♣3 | +1 | +0 |
| -1.7 | Round 1 | DUBOIN | 8 | 4♠x | ♥A | -2 | +0 |
| -1.7 | Round 7 | AGREMAN | 4 | 2♣ | ♥4 | +2 | +0 |
| -1.8 | Round 6 | GX2S | 18 | 1NT | ♠6 | -1 | -6 |
| -2.1 | Round 2 | FAZOKLUB EKO ROZANKA | 19 | 5♦ | ♣K | = | +0 |
| -2.1 | Round 3 | CZECHOSLOVAKIA V2 | 5 | 5♥ | ♠3 | -1 | +6 |
| -2.2 | Round 4 | PIONEERS | 17 | 5♣ | ♥Q | = | -11 |
| -2.3 | Round 3 | CZECHOSLOVAKIA V2 | 10 | 3NT | ♦Q | +2 | -1 |
| -2.3 | Round 7 | AGREMAN | 12 | 4♥ | ♠A | -2 | -12 |
| -3.2 | Round 6 | GX2S | 19 | 4♥ | ♠A | -1 | -5 |
| -3.3 | Round 2 | FAZOKLUB EKO ROZANKA | 18 | 4♠ | ♣4 | = | +0 |
| -3.3 | Round 7 | AGREMAN | 10 | 4♥ | ♠A | = | +0 |
| -4.0 | Round 8 | AVIXA | 21 | 3NT | ♠2 | = | +0 |
| -4.2 | Round 6 | GX2S | 22 | 3NT | ♥7 | = | -3 |
| -4.3 | Round 8 | AVIXA | 19 | 4♠ | ♣6 | -1 | -6 |
| -5.0 | Round 3 | CZECHOSLOVAKIA V2 | 13 | 4♠ | ♣3 | -1 | -6 |
| -5.2 | Round 8 | AVIXA | 27 | 4♠ | ♦A | +2 | -11 |
| -5.8 | Round 6 | GX2S | 25 | 4♥ | ♦6 | -2 | -6 |
| -5.9 | Round 6 | GX2S | 16 | 5♣ | ♥K | = | -13 |
| -6.6 | Round 1 | DUBOIN | 11 | 6♦ | ♠2 | -2 | -11 |
| -7.0 | Round 6 | GX2S | 20 | 4♠ | ♥A | +3 | -17 |
| -7.8 | Round 6 | GX2S | 15 | 3NT | ♣6 | -1 | -12 |
| -8.2 | Round 3 | CZECHOSLOVAKIA V2 | 7 | 3NT | ♥T | = | -10 |
| -8.6 | Round 7 | AGREMAN | 13 | 2♠ | ♦6 | +1 | -10 |
| -8.7 | Round 8 | AVIXA | 24 | 3♣x | ♥K | -3 | -8 |
| -11.3 | Round 2 | FAZOKLUB EKO ROZANKA | 20 | 3♦ | ♥3 | -3 | -10 |
| -11.7 | Round 4 | PIONEERS | 28 | 7♣ | ♠A | = | +0 |
| -12.7 | Round 1 | DUBOIN | 13 | 4♥x | ♠T | -4 | -15 |