KWIECIEN Michal · POLAND Seniors
34rank
+38.0Butler · 84 bds
+0.45per board
±3.6swing
+0.01vs par /bd · #21/30
+0.22adjusted /bd
by round
vs par split: bidding +0.10 · play -0.08
Strength of schedule: opponents averaged -0.23/bd (an easy draw) → opponent-adjusted +0.22/bd
Card play — on target: opening leads 94.4% #1 of 30 · declarer play 66.7% #28 of 30 · defence 88.9% #9 of 30
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (3) | 93.3% (15) |
| Declarer play | 60.0% (5) | 68.8% (16) |
| Defence | 84.6% (13) | 90.6% (32) |
Opening leads by suit led: ♠ 85.7% (7) · ♥ 100.0% (2) · ♦ 100.0% (3) · ♣ 100.0% (6)
vs par by strain: NT +0.04 (25) · a suit +0.00 (59)
vs par by level: part-score +0.66 (38) · game +0.03 (39) · slam -3.57 (7)
By role: declaring -0.24/bd (-2.67 vs par · 39) · defending +1.05/bd (+2.33 vs par · 45)
By vulnerability: vulnerable +0.79/bd (-0.50 vs par · 42) · not vulnerable +0.11/bd (+0.52 vs par · 42)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | W.Starkowski | J.Chen – L.Dong | Closed | 14 | +25.2 | +1.80 | +3.14 |
| Round of 32 | W.Starkowski | J.Liu – J.Li | Closed | 14 | -4.1 | -0.29 | -1.07 |
| Round of 16 | W.Starkowski | J.Hu – Y.Chen | Closed | 14 | -16.5 | -1.18 | -1.14 |
| Round of 16 | W.Starkowski | J.Hu – Y.Chen | Closed | 14 | +19.9 | +1.42 | +0.07 |
| Quarterfinal | W.Starkowski | J.Zhao – Y.Zhang | Closed | 14 | -1.6 | -0.11 | -2.07 |
| Quarterfinal | W.Starkowski | J.Zhao – Y.Zhang | Closed | 14 | +15.1 | +1.08 | +1.14 |
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 |
|---|---|---|---|---|---|---|---|
| +9.5 | Round of 32 | PD TIMES | 14 | 3NT | ♥8 | -1 | +10 |
| +8.3 | Round of 16 | REIGNWOOD | 15 | 4♥ | ♠A | = | -1 |
| +7.7 | Quarterfinal | ZHEJIANGQIANTANG | 12 | 6♥x | ♠2 | -6 | +1 |
| +6.1 | Round of 16 | REIGNWOOD | 25 | 2♣x | ♣4 | -1 | +11 |
| +5.7 | Quarterfinal | ZHEJIANGQIANTANG | 27 | 2♠ | ♦J | +4 | +6 |
| +5.4 | Quarterfinal | ZHEJIANGQIANTANG | 8 | 5♣x | ♠Q | -3 | +9 |
| +5.1 | Round of 32 | PD TIMES | 12 | 4♠ | ♦3 | -3 | +6 |
| +5.0 | Round of 16 | REIGNWOOD | 7 | 4♠x | ♦5 | -1 | +8 |
| +5.0 | Round of 16 | REIGNWOOD | 16 | 1NT | ♠10 | +1 | +1 |
| +4.9 | Quarterfinal | ZHEJIANGQIANTANG | 20 | 3♠ | ♣K | -2 | +13 |
| +4.8 | Round of 32 | PD TIMES | 10 | 1NT | ♠7 | -1 | +5 |
| +4.8 | Round of 32 | PD TIMES | 13 | 3♠ | ♣2 | -2 | +7 |
| +4.6 | Round of 32 | PD TIMES | 3 | 3NT | ♣4 | +1 | +17 |
| +4.3 | Round of 16 | REIGNWOOD | 26 | 2NT | ♦3 | -3 | +5 |
| +4.0 | Quarterfinal | ZHEJIANGQIANTANG | 22 | 4♠ | ♣J | = | +1 |
| +3.8 | Round of 32 | PD TIMES | 9 | 3♠ | ♥K | -1 | +5 |
| +3.8 | Round of 16 | REIGNWOOD | 21 | 3NT | ♠7 | -2 | +5 |
| +3.4 | Quarterfinal | ZHEJIANGQIANTANG | 21 | 3NT | ♠Q | -2 | +11 |
| +3.3 | Quarterfinal | ZHEJIANGQIANTANG | 15 | 4♠ | ♣4 | = | +0 |
| +3.1 | Round of 32 | PD TIMES | 23 | 6♠ | ♦6 | = | +0 |
| +3.0 | Quarterfinal | ZHEJIANGQIANTANG | 24 | 3♠x | ♠7 | -1 | +5 |
| +2.9 | Quarterfinal | ZHEJIANGQIANTANG | 18 | 6♣ | ♥K | -1 | -5 |
| +2.8 | Round of 32 | PD TIMES | 18 | 5♣ | ♦4 | -1 | +5 |
| +2.6 | Round of 32 | PD TIMES | 26 | 6NT | ♣J | = | -13 |
| +2.4 | Quarterfinal | ZHEJIANGQIANTANG | 2 | 1NT | ♦6 | -2 | +0 |
| +2.4 | Quarterfinal | ZHEJIANGQIANTANG | 11 | 3NT | ♠5 | +3 | +1 |
| +2.0 | Quarterfinal | ZHEJIANGQIANTANG | 10 | 1NT | ♦8 | = | +5 |
| +1.9 | Round of 16 | REIGNWOOD | 19 | 5♣ | ♠2 | = | +0 |
| +1.7 | Round of 16 | REIGNWOOD | 6 | 1NT | ♥J | +3 | +1 |
| +1.6 | Round of 16 | REIGNWOOD | 3 | 3♠ | ♠3 | -1 | +2 |
| +1.5 | Round of 16 | REIGNWOOD | 23 | 3♥ | ♣K | = | +0 |
| +1.2 | Round of 16 | REIGNWOOD | 18 | 3NT | ♠8 | = | +0 |
| +1.0 | Round of 16 | REIGNWOOD | 14 | 4♥ | ♦A | = | +9 |
| +0.9 | Quarterfinal | ZHEJIANGQIANTANG | 23 | 1NT | ♦5 | -1 | -1 |
| +0.8 | Round of 32 | PD TIMES | 6 | 2♠ | ♣3 | +1 | +1 |
| +0.8 | Round of 32 | PD TIMES | 27 | 3NT | ♣6 | +1 | +0 |
| +0.7 | Round of 16 | REIGNWOOD | 10 | 2NT | ♠5 | = | +0 |
| +0.5 | Round of 16 | REIGNWOOD | 5 | 3♦ | ♠6 | -1 | -2 |
| +0.3 | Quarterfinal | ZHEJIANGQIANTANG | 26 | 3♣ | ♥A | +2 | +1 |
| +0.1 | Quarterfinal | ZHEJIANGQIANTANG | 14 | 2♥ | ♠3 | = | +0 |
| +0.0 | Round of 32 | PD TIMES | 4 | 2♠ | ♣J | -1 | -5 |
| -0.0 | Round of 32 | PD TIMES | 5 | 4♠ | ♦10 | = | +0 |
| +0.0 | Quarterfinal | ZHEJIANGQIANTANG | 25 | 3NT | ♣10 | +1 | -10 |
| +0.0 | Quarterfinal | ZHEJIANGQIANTANG | 28 | 3♣ | ♠K | -1 | +5 |
| -0.1 | Round of 32 | PD TIMES | 20 | 4♠ | ♦A | = | +0 |
| -0.1 | Round of 16 | REIGNWOOD | 28 | 3♠ | ♦Q | = | +0 |
| -0.3 | Round of 32 | PD TIMES | 16 | 1NT | ♥2 | -1 | -1 |
| -0.3 | Quarterfinal | ZHEJIANGQIANTANG | 13 | 4♠ | ♥2 | +1 | -13 |
| -0.4 | Quarterfinal | ZHEJIANGQIANTANG | 6 | 3♣ | ♠3 | = | -1 |
| -0.5 | Round of 32 | PD TIMES | 15 | 4♠ | ♣4 | = | +0 |
| -0.5 | Round of 32 | PD TIMES | 22 | 5♣ | ♠6 | = | -1 |
| -0.5 | Round of 16 | REIGNWOOD | 8 | 4♠ | ♥4 | = | -1 |
| -0.5 | Round of 16 | REIGNWOOD | 17 | 2♠ | ♠5 | -3 | +0 |
| -0.7 | Round of 32 | PD TIMES | 21 | 2♠ | ♠K | = | -1 |
| -0.9 | Quarterfinal | ZHEJIANGQIANTANG | 9 | 4♠ | ♥3 | -1 | -5 |
| -1.0 | Round of 16 | REIGNWOOD | 9 | 2♥ | ♠Q | = | -1 |
| -1.0 | Quarterfinal | ZHEJIANGQIANTANG | 19 | 2♦ | ♥4 | -1 | +3 |
| -1.3 | Round of 32 | PD TIMES | 8 | 4♠ | ♥8 | +2 | +11 |
| -1.4 | Round of 32 | PD TIMES | 19 | 5♦ | ♣K | = | +2 |
| -1.4 | Round of 16 | REIGNWOOD | 20 | 1NT | ♣4 | -1 | +0 |
| -1.4 | Quarterfinal | ZHEJIANGQIANTANG | 4 | 2♠ | ♥Q | = | -1 |
| -1.5 | Round of 32 | PD TIMES | 7 | 4♥ | ♣4 | = | +1 |
| -1.6 | Round of 32 | PD TIMES | 2 | 3♥ | ♠6 | -1 | -12 |
| -1.7 | Round of 32 | PD TIMES | 11 | 6NT | ♣J | = | +0 |
| -1.8 | Round of 16 | REIGNWOOD | 11 | 4♠ | ♥A | +2 | -1 |
| -1.8 | Round of 16 | REIGNWOOD | 22 | 1NTx | ♥3 | -1 | -5 |
| -1.9 | Round of 16 | REIGNWOOD | 1 | 3♥ | ♣K | -1 | -2 |
| -2.1 | Round of 32 | PD TIMES | 1 | 4♠x | ♥6 | -3 | -2 |
| -2.1 | Round of 32 | PD TIMES | 24 | 4♥x | ♦A | -1 | +0 |
| -2.3 | Round of 32 | PD TIMES | 28 | 2♠ | ♦K | +2 | -2 |
| -2.4 | Round of 16 | REIGNWOOD | 27 | 3NT | ♠J | -2 | -5 |
| -2.7 | Round of 32 | PD TIMES | 17 | 4♠ | ♣A | = | +1 |
| -2.7 | Quarterfinal | ZHEJIANGQIANTANG | 16 | 4♠ | ♦10 | +2 | -1 |
| -2.8 | Round of 32 | PD TIMES | 25 | 4♥ | ♦9 | -1 | -5 |
| -3.0 | Round of 16 | REIGNWOOD | 2 | 3♥ | ♠A | -1 | -5 |
| -3.1 | Quarterfinal | ZHEJIANGQIANTANG | 3 | 3NT | ♥3 | -2 | -11 |
| -3.3 | Quarterfinal | ZHEJIANGQIANTANG | 5 | 2NT | ♦A | -1 | +0 |
| -4.1 | Quarterfinal | ZHEJIANGQIANTANG | 1 | 6♠ | ♥7 | = | +0 |
| -5.0 | Round of 16 | REIGNWOOD | 4 | 5♣x | ♠5 | -3 | -7 |
| -5.7 | Round of 16 | REIGNWOOD | 13 | 6♥ | ♦A | = | -8 |
| -6.0 | Round of 16 | REIGNWOOD | 24 | 4♥ | ♠K | -1 | -10 |
| -8.1 | Round of 16 | REIGNWOOD | 12 | 5♥ | ♠A | -1 | -9 |
| -8.1 | Quarterfinal | ZHEJIANGQIANTANG | 7 | 3NT | ♥3 | -3 | -14 |
| -9.6 | Quarterfinal | ZHEJIANGQIANTANG | 17 | 1♥x | ♠9 | +1 | -12 |