SAKOWSKA Natalia · POLAND MIXT
11rank
+86.6Butler · 80 bds
+1.08per board
±4.0swing
+2.86vs par /bd · #1/360
+0.69adjusted /bd
by round
vs par split: bidding +1.55 · play +1.31
Strength of schedule: opponents averaged -0.39/bd (an easy draw) → opponent-adjusted +0.69/bd
Card play — on target: opening leads 88.5% #32 of 360 · declarer play 88.2% #12 of 360 · defence 96.2% #8 of 360
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 90.9% (22) |
| Declarer play | 80.0% (5) | 91.7% (12) |
| Defence | 90.9% (11) | 97.6% (41) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 83.3% (6) · ♦ 85.7% (7) · ♣ 88.9% (9)
vs par by strain: NT +2.35 (20) · a suit +3.03 (60)
vs par by level: part-score +1.19 (27) · game +3.53 (49) · slam +6.00 (4)
By role: declaring +1.68/bd (+0.43 vs par · 28) · defending +0.76/bd (+4.17 vs par · 52)
By vulnerability: vulnerable +1.23/bd (+2.83 vs par · 40) · not vulnerable +0.94/bd (+2.90 vs par · 40)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | P.Butryn | R.Ghosn – A.Benoit | Open | 10 | +6.8 | +0.68 | +2.10 |
| Round 2 | P.Butryn | B.Dey – A.Kshirsagar | Open | 10 | +22.4 | +2.24 | +2.90 |
| Round 4 | P.Butryn | A.Levy – E.Mauberquez | Closed | 10 | -10.0 | -1.00 | +0.70 |
| Round 5 | P.Butryn | G.Herrera – P.Herrera | Open | 10 | +37.9 | +3.79 | +6.00 |
| Round 6 | P.Butryn | S.Ashton – D.Wiltshire | Closed | 10 | +25.6 | +2.56 | +4.40 |
| Round 7 | P.Butryn | S.Dinkin – O.Schireson | Closed | 10 | -3.3 | -0.33 | +1.40 |
| Round 9 | P.Butryn | Y.Chen – Z.Hu | Closed | 10 | +4.2 | +0.42 | +2.40 |
| Round 10 | P.Butryn | J.Shih – K.Cheng | Closed | 10 | +3.0 | +0.30 | +3.00 |
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 |
|---|---|---|---|---|---|---|---|
| +10.5 | Round 5 | MEXICO | 10 | 3NT | ♥10 | = | +0 |
| +8.7 | Round 10 | TPE SENIORS | 25 | 4♥ | ♣10 | +2 | +12 |
| +8.5 | Round 2 | INDIA WOMEN | 5 | 4♠ | ♥A | = | +11 |
| +8.4 | Round 5 | MEXICO | 5 | 6♠ | ♥3 | +1 | +13 |
| +7.1 | Round 5 | MEXICO | 4 | 4♠x | ♥3 | -1 | +9 |
| +6.5 | Round 6 | AUSTRALIA MIXED | 20 | 3NT | ♥4 | -2 | +13 |
| +6.5 | Round 9 | CANADA MIXED | 14 | 4♠ | ♣Q | -1 | +11 |
| +6.3 | Round 9 | CANADA MIXED | 12 | 6NT | ♥8 | -1 | +11 |
| +6.2 | Round 1 | MASARAHLOU | 9 | 3♣ | ♠K | -3 | +9 |
| +6.0 | Round 2 | INDIA WOMEN | 1 | 3NT | ♥J | = | +0 |
| +5.2 | Round 10 | TPE SENIORS | 29 | 1NT | ♣8 | +1 | +5 |
| +4.7 | Round 7 | DINKIN | 25 | 3NT | ♦4 | -1 | +6 |
| +4.6 | Round 7 | DINKIN | 29 | 4♥ | ♦Q | = | +0 |
| +4.5 | Round 2 | INDIA WOMEN | 8 | 4♥ | ♣7 | -2 | +0 |
| +4.5 | Round 7 | DINKIN | 22 | 3NT | ♦Q | +3 | +3 |
| +4.3 | Round 7 | DINKIN | 28 | 4♣ | ♣3 | -2 | +11 |
| +4.2 | Round 5 | MEXICO | 3 | 3♥ | ♣8 | -2 | +11 |
| +4.2 | Round 10 | TPE SENIORS | 26 | 4♥ | ♦8 | -1 | +12 |
| +4.0 | Round 6 | AUSTRALIA MIXED | 16 | 3♥ | ♥3 | = | +1 |
| +3.8 | Round 6 | AUSTRALIA MIXED | 12 | 5♦ | ♣9 | -1 | +9 |
| +3.7 | Round 1 | MASARAHLOU | 6 | 3♣ | ♦6 | = | +6 |
| +3.6 | Round 10 | TPE SENIORS | 21 | 4♥ | ♠2 | -2 | +6 |
| +3.5 | Round 1 | MASARAHLOU | 8 | 3♥ | ♥6 | +1 | +6 |
| +3.5 | Round 6 | AUSTRALIA MIXED | 19 | 4♥ | ♠A | -2 | +11 |
| +3.3 | Round 2 | INDIA WOMEN | 2 | 4♥x | ♦K | -2 | -7 |
| +3.2 | Round 6 | AUSTRALIA MIXED | 11 | 3NT | ♥5 | -1 | +4 |
| +3.0 | Round 6 | AUSTRALIA MIXED | 18 | 3NT | ♠J | +3 | -10 |
| +2.7 | Round 5 | MEXICO | 8 | 4♠ | ♦8 | -2 | +6 |
| +2.6 | Round 4 | PAYEN | 28 | 4♥ | ♦5 | +1 | +0 |
| +2.6 | Round 9 | CANADA MIXED | 19 | 3NT | ♠6 | +3 | +17 |
| +2.5 | Round 9 | CANADA MIXED | 15 | 3♠ | ♦K | +1 | -8 |
| +2.3 | Round 5 | MEXICO | 1 | 1NT | ♣6 | +2 | +6 |
| +1.8 | Round 5 | MEXICO | 7 | 4♥ | ♦K | = | +0 |
| +1.7 | Round 6 | AUSTRALIA MIXED | 17 | 4♠ | ♥K | +2 | +11 |
| +1.6 | Round 4 | PAYEN | 30 | 2♠ | ♣9 | -2 | +0 |
| +1.5 | Round 4 | PAYEN | 23 | 3♠ | ♥A | -1 | +5 |
| +1.5 | Round 5 | MEXICO | 2 | 4♠ | ♣9 | +1 | +1 |
| +1.4 | Round 2 | INDIA WOMEN | 10 | 2♠x | ♥7 | -1 | +9 |
| +1.3 | Round 1 | MASARAHLOU | 4 | 4♥ | ♠Q | -1 | -1 |
| +0.9 | Round 10 | TPE SENIORS | 22 | 4♠ | ♣K | +2 | -1 |
| +0.7 | Round 2 | INDIA WOMEN | 7 | 4♥ | ♠9 | +1 | +1 |
| +0.5 | Round 4 | PAYEN | 26 | 3♠ | ♥2 | = | +0 |
| +0.5 | Round 6 | AUSTRALIA MIXED | 14 | 3NT | ♣3 | +1 | +1 |
| +0.4 | Round 5 | MEXICO | 9 | 4♠ | ♣10 | +2 | +14 |
| +0.3 | Round 1 | MASARAHLOU | 1 | 1♠ | ♣J | = | -5 |
| +0.2 | Round 2 | INDIA WOMEN | 4 | 4♠ | ♥2 | +1 | +0 |
| +0.2 | Round 4 | PAYEN | 29 | 4♥ | ♣9 | = | +1 |
| +0.2 | Round 6 | AUSTRALIA MIXED | 15 | 5♣x | ♥5 | -2 | +8 |
| +0.1 | Round 2 | INDIA WOMEN | 6 | 2♠ | ♦7 | -1 | +5 |
| +0.1 | Round 10 | TPE SENIORS | 27 | 1NT | ♠10 | -1 | -2 |
| -0.1 | Round 7 | DINKIN | 26 | 3NT | ♦2 | +1 | +1 |
| -0.3 | Round 2 | INDIA WOMEN | 9 | 2♠ | ♥A | = | +10 |
| -0.4 | Round 1 | MASARAHLOU | 2 | 4♥ | ♦5 | +2 | +11 |
| -0.4 | Round 4 | PAYEN | 24 | 2♠ | ♠K | -1 | +2 |
| -0.5 | Round 7 | DINKIN | 27 | 3♦ | ♦4 | +1 | -7 |
| -0.8 | Round 6 | AUSTRALIA MIXED | 13 | 4♠ | ♣K | +1 | -4 |
| -1.0 | Round 1 | MASARAHLOU | 7 | 1NT | ♥7 | -1 | -5 |
| -1.0 | Round 5 | MEXICO | 6 | 4♠ | ♦J | = | +0 |
| -1.0 | Round 7 | DINKIN | 24 | 3NT | ♠Q | = | +0 |
| -1.0 | Round 9 | CANADA MIXED | 11 | 4♠ | ♣K | = | +9 |
| -1.1 | Round 1 | MASARAHLOU | 5 | 4♥ | ♣J | +1 | +0 |
| -1.1 | Round 9 | CANADA MIXED | 16 | 4♠ | ♥3 | -1 | +2 |
| -1.2 | Round 1 | MASARAHLOU | 10 | 2♦ | ♣A | +1 | +0 |
| -2.0 | Round 2 | INDIA WOMEN | 3 | 4♥ | ♣9 | +1 | +0 |
| -2.1 | Round 9 | CANADA MIXED | 18 | 2♠ | ♥8 | = | -12 |
| -2.3 | Round 4 | PAYEN | 27 | 5♣ | ♠3 | +1 | +11 |
| -2.4 | Round 9 | CANADA MIXED | 20 | 4♠x | ♦10 | -2 | +3 |
| -2.4 | Round 10 | TPE SENIORS | 23 | 3NT | ♠7 | +1 | +12 |
| -2.8 | Round 9 | CANADA MIXED | 17 | 1NT | ♦Q | +2 | -1 |
| -3.0 | Round 4 | PAYEN | 21 | 2♥ | ♦7 | = | +0 |
| -3.2 | Round 7 | DINKIN | 30 | 4♥ | ♦K | +1 | +0 |
| -3.5 | Round 10 | TPE SENIORS | 28 | 4♥ | ♠6 | +1 | +0 |
| -4.0 | Round 4 | PAYEN | 25 | 2♠ | ♣J | +3 | -6 |
| -4.3 | Round 7 | DINKIN | 21 | 3♦ | ♠6 | = | +0 |
| -4.3 | Round 9 | CANADA MIXED | 13 | 3♠ | ♦A | -3 | -8 |
| -4.5 | Round 1 | MASARAHLOU | 3 | 3NT | ♣4 | = | +0 |
| -6.7 | Round 4 | PAYEN | 22 | 4♥ | ♣3 | -1 | -6 |
| -6.7 | Round 10 | TPE SENIORS | 30 | 6♥ | ♦10 | = | +0 |
| -7.1 | Round 10 | TPE SENIORS | 24 | 3NT | ♦3 | -3 | -14 |
| -12.3 | Round 7 | DINKIN | 23 | 6♠ | ♠3 | = | +0 |