GRZEJDZIAK Sabina · POLAND MIXT
212rank
-8.9Butler · 80 bds
-0.11per board
±4.6swing
-1.32vs par /bd · #335/360
-0.03adjusted /bd
by round
vs par split: bidding -1.23 · play -0.10
Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted -0.03/bd
Card play — on target: opening leads 66.7% #294 of 360 · declarer play 66.7% #221 of 360 · defence 90.0% #82 of 360
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 66.7% (9) |
| Declarer play | 50.0% (6) | 75.0% (12) |
| Defence | 100.0% (7) | 87.0% (23) |
Opening leads by suit led: ♥ 0.0% (2) · ♦ 66.7% (3) · ♣ 100.0% (4)
vs par by strain: NT -2.67 (21) · a suit -0.85 (59)
vs par by level: part-score -0.08 (25) · game -1.80 (49) · slam -2.67 (6)
By role: declaring -0.54/bd (-3.26 vs par · 50) · defending +0.60/bd (+1.90 vs par · 30)
By vulnerability: vulnerable +0.12/bd (-1.50 vs par · 42) · not vulnerable -0.37/bd (-1.13 vs par · 38)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | I.Grzejdziak | I.Chamar – M.Farhani Goncalves | Closed | 10 | -14.2 | -1.42 | -2.10 |
| Round 2 | I.Grzejdziak | P.Batra – A.Sharma | Closed | 10 | +26.0 | +2.60 | +2.50 |
| Round 3 | I.Grzejdziak | S.Weinberger – M.Strafner | Closed | 10 | -5.1 | -0.51 | -2.00 |
| Round 5 | I.Grzejdziak | N.Beninger – B.Robbins | Closed | 10 | -3.2 | -0.32 | -2.70 |
| Round 6 | I.Grzejdziak | R.Cooper – B.Thompson | Open | 10 | +6.5 | +0.65 | -1.30 |
| Round 8 | I.Grzejdziak | P.Goncalves – R.Gomez | Open | 10 | -10.8 | -1.08 | -0.80 |
| Round 9 | I.Grzejdziak | C.He – J.Luo | Open | 10 | +3.0 | +0.30 | -1.70 |
| Round 10 | I.Grzejdziak | H.Yang – N.Shen | Open | 10 | -11.1 | -1.11 | -2.50 |
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 |
|---|---|---|---|---|---|---|---|
| +11.1 | Round 6 | AUSTRALIA MIXED | 20 | 2♠x | ♠2 | -3 | +5 |
| +10.3 | Round 1 | MASARAHLOU | 9 | 5♦x | ♥A | -3 | +9 |
| +10.0 | Round 2 | INDIA WOMEN | 5 | 5♠x | ♦A | -2 | +12 |
| +9.4 | Round 6 | AUSTRALIA MIXED | 17 | 6♠ | ♠7 | = | +0 |
| +8.0 | Round 8 | AUPALETI | 10 | 4♥ | ♦Q | = | +10 |
| +8.0 | Round 9 | CANADA MIXED | 20 | 5♠x | ♦9 | -3 | +5 |
| +6.8 | Round 2 | INDIA WOMEN | 8 | 4♥ | ♠K | = | +11 |
| +6.7 | Round 10 | TPE SENIORS | 30 | 6♥ | ♦J | = | +0 |
| +5.9 | Round 2 | INDIA WOMEN | 10 | 3NT | ♠Q | = | +0 |
| +5.6 | Round 5 | MEXICO | 2 | 3♠ | ♣7 | +1 | +6 |
| +4.3 | Round 10 | TPE SENIORS | 25 | 6♥ | ♣K | = | +1 |
| +4.0 | Round 2 | INDIA WOMEN | 1 | 3NT | ♠9 | -1 | +10 |
| +4.0 | Round 9 | CANADA MIXED | 12 | 5♥ | ♣3 | = | +0 |
| +3.5 | Round 8 | AUPALETI | 9 | 4♥ | ♣J | -1 | +10 |
| +3.5 | Round 10 | TPE SENIORS | 27 | 2♥x | ♥10 | -1 | +5 |
| +3.2 | Round 5 | MEXICO | 1 | 1NT | ♠3 | -1 | -2 |
| +3.1 | Round 8 | AUPALETI | 2 | 4♠ | ♥A | = | +1 |
| +2.8 | Round 9 | CANADA MIXED | 18 | 2♠ | ♣2 | +1 | +12 |
| +2.5 | Round 5 | MEXICO | 5 | 7♣ | ♦2 | = | -2 |
| +2.2 | Round 3 | AUSTRIA | 18 | 4♠ | ♦8 | +1 | +0 |
| +2.1 | Round 3 | AUSTRIA | 13 | 5♦ | ♥3 | -1 | +7 |
| +2.0 | Round 2 | INDIA WOMEN | 3 | 4♥ | ♠2 | +1 | +0 |
| +2.0 | Round 5 | MEXICO | 6 | 4♠ | ♦J | +1 | +1 |
| +2.0 | Round 8 | AUPALETI | 6 | 3NT | ♣10 | +1 | +0 |
| +2.0 | Round 9 | CANADA MIXED | 11 | 5♥ | ♣A | = | -8 |
| +1.7 | Round 3 | AUSTRIA | 19 | 3NT | ♣10 | +1 | -1 |
| +1.6 | Round 5 | MEXICO | 4 | 4♥ | ♣7 | = | +0 |
| +1.1 | Round 9 | CANADA MIXED | 16 | 4♠ | ♥A | -1 | -2 |
| +1.0 | Round 1 | MASARAHLOU | 10 | 1NT | ♥5 | -1 | -1 |
| +0.9 | Round 1 | MASARAHLOU | 7 | 1NT | ♠2 | = | +5 |
| +0.9 | Round 3 | AUSTRIA | 15 | 3NT | ♥2 | = | -2 |
| +0.9 | Round 6 | AUSTRALIA MIXED | 11 | 3♥ | ♦K | -2 | +0 |
| +0.7 | Round 8 | AUPALETI | 7 | 1NT | ♥3 | +1 | +0 |
| +0.5 | Round 9 | CANADA MIXED | 15 | 2♥ | ♠2 | -1 | +10 |
| +0.4 | Round 6 | AUSTRALIA MIXED | 14 | 3NT | ♥J | +2 | +0 |
| +0.4 | Round 10 | TPE SENIORS | 29 | 1NT | ♣9 | -1 | +0 |
| +0.3 | Round 2 | INDIA WOMEN | 7 | 4♠ | ♣10 | = | +0 |
| +0.1 | Round 1 | MASARAHLOU | 5 | 4♥ | ♣J | = | -1 |
| +0.1 | Round 2 | INDIA WOMEN | 9 | 3♥ | ♣A | -2 | -11 |
| +0.1 | Round 3 | AUSTRIA | 20 | 2♥ | ♠4 | = | -6 |
| -0.0 | Round 2 | INDIA WOMEN | 2 | 4♣ | ♠J | +1 | +10 |
| -0.2 | Round 2 | INDIA WOMEN | 4 | 4♠ | ♥J | +1 | +0 |
| -0.2 | Round 6 | AUSTRALIA MIXED | 13 | 4♠ | ♦5 | = | +3 |
| -0.3 | Round 1 | MASARAHLOU | 1 | 1♠ | ♠6 | = | +5 |
| -0.4 | Round 5 | MEXICO | 9 | 4♠ | ♣Q | +2 | -14 |
| -0.8 | Round 3 | AUSTRIA | 11 | 3♣ | ♣9 | +1 | +0 |
| -0.9 | Round 10 | TPE SENIORS | 22 | 4♠ | ♣K | +2 | +1 |
| -1.2 | Round 8 | AUPALETI | 8 | 3♣ | ♦3 | +1 | +0 |
| -1.3 | Round 1 | MASARAHLOU | 4 | 4♥ | ♣5 | -1 | +1 |
| -1.3 | Round 6 | AUSTRALIA MIXED | 18 | 3NT | ♠8 | +1 | +10 |
| -1.8 | Round 3 | AUSTRIA | 14 | 3♥ | ♣A | -2 | +1 |
| -1.8 | Round 5 | MEXICO | 7 | 4♥ | ♦5 | = | +0 |
| -1.8 | Round 9 | CANADA MIXED | 19 | 3NT | ♣J | +4 | -17 |
| -2.0 | Round 10 | TPE SENIORS | 21 | 4♥ | ♥6 | -1 | -5 |
| -2.3 | Round 3 | AUSTRIA | 16 | 2♠ | ♣8 | -2 | +0 |
| -2.5 | Round 6 | AUSTRALIA MIXED | 15 | 3♥ | ♣K | +2 | -10 |
| -2.5 | Round 9 | CANADA MIXED | 13 | 4♥ | ♣10 | = | +0 |
| -2.7 | Round 5 | MEXICO | 3 | 3NT | ♠9 | -1 | -10 |
| -2.7 | Round 5 | MEXICO | 8 | 4♠ | ♦7 | -2 | -6 |
| -2.7 | Round 9 | CANADA MIXED | 17 | 2NT | ♠8 | -1 | -5 |
| -2.9 | Round 2 | INDIA WOMEN | 6 | 3♠ | ♣3 | -2 | -7 |
| -3.0 | Round 3 | AUSTRIA | 17 | 3NT | ♠5 | = | -14 |
| -3.2 | Round 8 | AUPALETI | 4 | 3NT | ♦3 | -2 | -8 |
| -3.5 | Round 6 | AUSTRALIA MIXED | 19 | 4♥ | ♣9 | -2 | -11 |
| -3.6 | Round 1 | MASARAHLOU | 6 | 4♥ | ♣A | -1 | -6 |
| -3.8 | Round 6 | AUSTRALIA MIXED | 12 | 5♦ | ♣10 | -1 | -9 |
| -4.0 | Round 6 | AUSTRALIA MIXED | 16 | 2♥ | ♥3 | +1 | -1 |
| -4.0 | Round 10 | TPE SENIORS | 24 | 3NT | ♥2 | = | +9 |
| -4.2 | Round 3 | AUSTRIA | 12 | 4♥ | ♠6 | -1 | -5 |
| -4.2 | Round 10 | TPE SENIORS | 26 | 4♥ | ♦8 | -1 | -12 |
| -4.6 | Round 8 | AUPALETI | 1 | 4♥ | ♦4 | -1 | -8 |
| -5.0 | Round 1 | MASARAHLOU | 3 | 3♦ | ♣Q | +2 | -10 |
| -5.0 | Round 10 | TPE SENIORS | 28 | 3♠ | ♥K | -1 | -8 |
| -6.3 | Round 1 | MASARAHLOU | 8 | 4♠ | ♥A | -1 | -9 |
| -8.4 | Round 9 | CANADA MIXED | 14 | 4♠ | ♣6 | -3 | -12 |
| -9.5 | Round 8 | AUPALETI | 5 | 6♠ | ♥A | = | -1 |
| -9.6 | Round 8 | AUPALETI | 3 | 4♥ | ♠4 | -1 | -12 |
| -9.9 | Round 10 | TPE SENIORS | 23 | 3NT | ♠4 | -1 | -16 |
| -10.0 | Round 1 | MASARAHLOU | 2 | 6NT | ♠2 | -1 | -14 |
| -10.5 | Round 5 | MEXICO | 10 | 3NT | ♣A | = | +0 |