STARKOWSKI Wlodzimierz · MAZURKIEWICZ
128rank
+38.4Butler · 100 bds
+0.38per board
±3.8swing
+0.63vs par /bd · #93/553
+0.41adjusted /bd
by round
vs par split: bidding +0.96 · play -0.31
Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted +0.41/bd
Card play — on target: opening leads 82.8% #197 of 551 · declarer play 90.0% #24 of 551 · defence 88.7% #141 of 553
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 70.0% (10) | 89.5% (19) |
| Declarer play | 87.5% (8) | 91.7% (12) |
| Defence | 70.6% (17) | 97.2% (36) |
Opening leads by suit led: ♠ 60.0% (5) · ♥ 66.7% (6) · ♦ 100.0% (10) · ♣ 87.5% (8)
vs par by strain: NT +0.74 (35) · a suit +0.59 (64)
vs par by level: part-score -0.28 (36) · game +1.41 (54) · slam -0.22 (9)
By role: declaring +0.29/bd (-2.17 vs par · 46) · defending +0.46/bd (+3.02 vs par · 54)
By vulnerability: vulnerable +0.14/bd (+0.65 vs par · 52) · not vulnerable +0.65/bd (+0.60 vs par · 48)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | S.Golebiowski | C.Teodorescu – B.Vulcan | Closed | 10 | -12.5 | -1.25 | +1.60 |
| Round 2 | S.Golebiowski | B.Gierulski – J.Skrzypczak | Open | 10 | +10.5 | +1.05 | +1.50 |
| Round 3 | S.Golebiowski | G.Percario – A.Franchi | Open | 10 | -12.0 | -1.20 | -0.40 |
| Round 4 | S.Golebiowski | D.Arbel – G.Bar | Open | 10 | +4.9 | +0.49 | +1.00 |
| Round 5 | S.Golebiowski | W.Strzemecki – K.Nowak | Open | 10 | +4.7 | +0.47 | -1.50 |
| Round 6 | S.Golebiowski | J.Osgood – S.Mostyn | Open | 10 | +17.3 | +1.73 | +0.40 |
| Round 7 | S.Golebiowski | A.Gromov – A.Dubinin | Open | 10 | -6.4 | -0.64 | -0.20 |
| Round 8 | S.Golebiowski | R.Van Prooijen – J.Verhees | Open | 10 | +17.5 | +1.75 | +1.10 |
| Round 9 | S.Golebiowski | A.Birman – P.Lakatos | Open | 10 | +12.3 | +1.23 | +1.30 |
| Round 10 | S.Golebiowski | S.Kolata – I.Kandemir | Open | 10 | +2.1 | +0.21 | +1.50 |
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 |
|---|---|---|---|---|---|---|---|
| +11.5 | Round 9 | GAMAX | 25 | 4♠x | ♥A | -2 | +12 |
| +10.0 | Round 2 | VYTAS | 11 | 6♠ | ♦8 | -1 | +11 |
| +9.7 | Round 6 | MOSTYN | 26 | 6♥ | ♥5 | = | +0 |
| +7.5 | Round 5 | ZAWADA | 20 | 3NT | ♠4 | +2 | +0 |
| +7.2 | Round 4 | LEONARDO | 2 | 3NT | ♠2 | -2 | +13 |
| +6.8 | Round 9 | GAMAX | 21 | 3♦x | ♦Q | -2 | +4 |
| +5.6 | Round 8 | NETHERLANDS RED | 14 | 3NT | ♣J | = | +3 |
| +5.4 | Round 9 | GAMAX | 26 | 3NT | ♠K | -2 | +2 |
| +5.3 | Round 10 | SHOKOLATA | 8 | 5♦x | ♥A | = | +6 |
| +4.8 | Round 2 | VYTAS | 12 | 2NT | ♠5 | +3 | +6 |
| +4.5 | Round 8 | NETHERLANDS RED | 18 | 5♦ | ♠2 | -1 | +6 |
| +4.4 | Round 1 | 1ST OF JULY | 3 | 3NT | ♠10 | +1 | +8 |
| +4.1 | Round 5 | ZAWADA | 11 | 3NT | ♣6 | = | +0 |
| +4.1 | Round 6 | MOSTYN | 22 | 4♠ | ♦7 | = | +0 |
| +3.7 | Round 4 | LEONARDO | 3 | 4♠ | ♥Q | +1 | +11 |
| +3.4 | Round 7 | ERA | 2 | 4♥ | ♠Q | = | +0 |
| +3.4 | Round 10 | SHOKOLATA | 7 | 3♥ | ♥2 | -1 | +5 |
| +3.2 | Round 2 | VYTAS | 17 | 2♠ | ♠2 | -2 | +5 |
| +3.1 | Round 4 | LEONARDO | 8 | 6♠ | ♥5 | +1 | -11 |
| +3.0 | Round 5 | ZAWADA | 17 | 3NT | ♦J | -1 | +5 |
| +3.0 | Round 9 | GAMAX | 30 | 3♥ | ♦A | = | +7 |
| +2.9 | Round 4 | LEONARDO | 9 | 4♥ | ♠7 | -1 | +10 |
| +2.8 | Round 8 | NETHERLANDS RED | 12 | 4♥ | ♠K | = | +1 |
| +2.7 | Round 1 | 1ST OF JULY | 9 | 5♦ | ♣5 | +2 | +10 |
| +2.7 | Round 8 | NETHERLANDS RED | 13 | 3NT | ♠K | +1 | +0 |
| +2.7 | Round 10 | SHOKOLATA | 10 | 4♠ | ♥5 | -2 | +7 |
| +2.6 | Round 8 | NETHERLANDS RED | 11 | 6♥ | ♥2 | +1 | +11 |
| +2.5 | Round 6 | MOSTYN | 30 | 4♥ | ♦9 | -2 | +11 |
| +2.3 | Round 9 | GAMAX | 28 | 3♥ | ♠K | -1 | -1 |
| +1.8 | Round 2 | VYTAS | 16 | 4♠ | ♣A | +1 | +0 |
| +1.7 | Round 10 | SHOKOLATA | 2 | 4♠ | ♣Q | -3 | +2 |
| +1.4 | Round 1 | 1ST OF JULY | 8 | 3NT | ♥6 | +1 | +11 |
| +1.4 | Round 5 | ZAWADA | 14 | 3NT | ♣J | +2 | -11 |
| +1.3 | Round 2 | VYTAS | 15 | 2♠ | ♥A | = | -1 |
| +1.3 | Round 4 | LEONARDO | 4 | 1NT | ♦4 | +1 | +1 |
| +1.3 | Round 6 | MOSTYN | 27 | 3NT | ♥9 | +2 | +1 |
| +1.2 | Round 8 | NETHERLANDS RED | 19 | 1NT | ♠5 | = | +8 |
| +1.1 | Round 7 | ERA | 1 | 2♥ | ♦K | +2 | +6 |
| +1.0 | Round 1 | 1ST OF JULY | 4 | 3NT | ♥9 | +3 | +12 |
| +1.0 | Round 7 | ERA | 7 | 2♦ | ♠3 | +2 | +10 |
| +1.0 | Round 8 | NETHERLANDS RED | 17 | 1NT | ♥K | = | -1 |
| +1.0 | Round 10 | SHOKOLATA | 6 | 4♥ | ♦6 | +1 | +0 |
| +0.9 | Round 6 | MOSTYN | 23 | 4♥ | ♣10 | -1 | +12 |
| +0.9 | Round 7 | ERA | 5 | 3NT | ♠6 | +1 | +0 |
| +0.9 | Round 7 | ERA | 6 | 3NT | ♦K | +1 | +0 |
| +0.8 | Round 10 | SHOKOLATA | 4 | 3NT | ♠8 | +3 | +1 |
| +0.8 | Round 10 | SHOKOLATA | 5 | 3NT | ♣8 | +1 | -1 |
| +0.7 | Round 5 | ZAWADA | 18 | 4♥ | ♣5 | = | +0 |
| +0.7 | Round 7 | ERA | 4 | 3NT | ♦9 | = | +1 |
| +0.6 | Round 6 | MOSTYN | 25 | 4♥ | ♠K | +2 | -8 |
| +0.5 | Round 3 | BRENO | 23 | 2♦ | ♥J | = | -1 |
| +0.2 | Round 2 | VYTAS | 14 | 1NT | ♠A | +1 | +0 |
| +0.2 | Round 6 | MOSTYN | 28 | 3NT | ♠9 | +1 | +0 |
| -0.0 | Round 1 | 1ST OF JULY | 7 | 4♥ | ♦8 | = | +0 |
| -0.1 | Round 2 | VYTAS | 18 | 1NT | ♣6 | -1 | +0 |
| -0.1 | Round 3 | BRENO | 26 | 3♣ | ♦A | +1 | +0 |
| -0.1 | Round 3 | BRENO | 27 | 2♠ | ♦9 | +2 | -7 |
| -0.1 | Round 6 | MOSTYN | 24 | 3NT | ♠6 | +1 | +1 |
| -0.1 | Round 6 | MOSTYN | 29 | 2♥ | ♣2 | +4 | -13 |
| -0.1 | Round 7 | ERA | 8 | 5♣x | ♥4 | -2 | -3 |
| -0.1 | Round 9 | GAMAX | 27 | 4♥ | ♣6 | +1 | +0 |
| -0.2 | Round 4 | LEONARDO | 10 | 4♠ | ♦7 | = | +0 |
| -0.4 | Round 2 | VYTAS | 20 | 2♠ | ♦8 | -1 | +0 |
| -0.4 | Round 7 | ERA | 3 | 1NT | ♣3 | = | +0 |
| -0.4 | Round 8 | NETHERLANDS RED | 20 | 3♥ | ♣8 | = | +0 |
| -0.6 | Round 9 | GAMAX | 22 | 5♣ | ♠2 | -1 | -4 |
| -0.6 | Round 9 | GAMAX | 29 | 3NT | ♠8 | +1 | +0 |
| -0.6 | Round 10 | SHOKOLATA | 3 | 2♥x | ♠6 | -1 | -5 |
| -1.0 | Round 8 | NETHERLANDS RED | 16 | 4♥ | ♠Q | -1 | -12 |
| -1.1 | Round 3 | BRENO | 22 | 2♠ | ♥10 | +1 | +10 |
| -1.2 | Round 3 | BRENO | 24 | 3NT | ♣J | +3 | -2 |
| -1.3 | Round 3 | BRENO | 30 | 3♠ | ♥Q | -1 | -4 |
| -1.4 | Round 5 | ZAWADA | 12 | 4♠ | ♥K | +2 | -1 |
| -1.5 | Round 8 | NETHERLANDS RED | 15 | 1NT | ♣Q | = | -5 |
| -1.7 | Round 3 | BRENO | 21 | 2♥ | ♦K | +1 | +0 |
| -1.7 | Round 3 | BRENO | 25 | 2♠ | ♥Q | -1 | +1 |
| -1.8 | Round 4 | LEONARDO | 1 | 2♥ | ♣5 | -1 | -4 |
| -1.8 | Round 4 | LEONARDO | 7 | 3NT | ♥K | = | +2 |
| -1.8 | Round 6 | MOSTYN | 21 | 2♠ | ♥A | -1 | +0 |
| -2.0 | Round 1 | 1ST OF JULY | 1 | 6♠ | ♦A | = | +0 |
| -2.1 | Round 5 | ZAWADA | 13 | 3NT | ♣2 | +2 | +0 |
| -2.1 | Round 5 | ZAWADA | 16 | 3♥ | ♦5 | = | +0 |
| -2.4 | Round 3 | BRENO | 28 | 4♠ | ♦7 | = | +0 |
| -2.6 | Round 4 | LEONARDO | 5 | 4♠ | ♣4 | -1 | -5 |
| -2.9 | Round 3 | BRENO | 29 | Adj. | ♦K | -1 | |
| -3.0 | Round 5 | ZAWADA | 15 | 1NT | ♣Q | = | -5 |
| -3.4 | Round 1 | 1ST OF JULY | 10 | 3NT | ♥3 | -4 | -6 |
| -3.4 | Round 5 | ZAWADA | 19 | 3♠ | ♥A | -4 | -3 |
| -3.4 | Round 10 | SHOKOLATA | 9 | 4♣ | ♦K | = | +0 |
| -3.8 | Round 2 | VYTAS | 19 | 3NT | ♣6 | -2 | -6 |
| -4.9 | Round 1 | 1ST OF JULY | 2 | 5♥ | ♠A | -2 | -6 |
| -5.7 | Round 1 | 1ST OF JULY | 5 | 6♥ | ♣3 | = | -12 |
| -6.0 | Round 1 | 1ST OF JULY | 6 | 6♠ | ♦6 | +1 | -1 |
| -6.2 | Round 7 | ERA | 9 | 2♥ | ♠8 | -3 | -4 |
| -6.5 | Round 2 | VYTAS | 13 | 6♠ | ♣5 | = | +0 |
| -6.9 | Round 4 | LEONARDO | 6 | 3♦ | ♥6 | -2 | -7 |
| -7.6 | Round 9 | GAMAX | 23 | 3NT | ♥2 | +2 | -12 |
| -7.7 | Round 7 | ERA | 10 | 3♣ | ♦9 | -1 | -12 |
| -7.8 | Round 9 | GAMAX | 24 | 5♥x | ♠6 | -4 | +5 |
| -9.6 | Round 10 | SHOKOLATA | 1 | 7♥ | ♣5 | = | +0 |