STRZEMECKI Wojciech · ZAWADA
308rank
-16.7Butler · 100 bds
-0.17per board
±3.8swing
-0.86vs par /bd · #414/478
+0.06adjusted /bd
by round
vs par split: bidding -1.18 · play +0.28
Strength of schedule: opponents averaged +0.23/bd (a tough draw) → opponent-adjusted +0.06/bd
Card play — on target: opening leads 70.8% #303 of 476 · declarer play 77.3% #247 of 478 · defence 86.5% #213 of 478
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 70.0% (10) | 71.4% (14) |
| Declarer play | 66.7% (12) | 90.0% (10) |
| Defence | 88.2% (17) | 85.7% (35) |
Opening leads by suit led: ♠ 85.7% (7) · ♥ 75.0% (4) · ♦ 50.0% (6) · ♣ 71.4% (7)
vs par by strain: NT -1.85 (39) · a suit -0.28 (60)
vs par by level: part-score -1.05 (40) · game -0.83 (52) · slam -0.57 (7)
By role: declaring +0.03/bd (-2.40 vs par · 47) · defending -0.34/bd (+0.51 vs par · 53)
By vulnerability: vulnerable +0.34/bd (-1.04 vs par · 48) · not vulnerable -0.64/bd (-0.69 vs par · 52)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | P.Zawada | T.Sprinkhuizen – G.Mendes De Leon | Open | 10 | +26.5 | +2.65 | +1.00 |
| Round 2 | P.Zawada | B.Van Den Bos – J.Van Lankveld | Closed | 10 | -5.1 | -0.51 | -1.10 |
| Round 3 | P.Zawada | B.Thompson – R.Ekeblad | Open | 10 | +2.0 | +0.20 | +0.20 |
| Round 4 | P.Zawada | P.Tondel – G.Groetheim | Open | 10 | -15.5 | -1.55 | -2.60 |
| Round 5 | P.Zawada | C.Pellegrini – C.Lucena | Open | 10 | -5.0 | -0.50 | -2.30 |
| Round 6 | P.Zawada | K.Bathurst – K.Dwyer | Open | 10 | +21.3 | +2.13 | -0.40 |
| Round 7 | P.Zawada | R.Pachtman – P.Zatorski | Open | 10 | -4.4 | -0.44 | +1.50 |
| Round 8 | P.Zawada | J.Stamatov – D.Danailov | Open | 10 | -32.6 | -3.26 | -5.50 |
| Round 9 | P.Zawada | B.Nab – B.Drijver | Open | 10 | -16.9 | -1.69 | -2.50 |
| Round 10 | P.Zawada | J.Haffer – P.Markey | Closed | 10 | +13.0 | +1.30 | +3.10 |
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 |
|---|---|---|---|---|---|---|---|
| +10.8 | Round 3 | DALLEY | 10 | 4♥x | ♣9 | -3 | +14 |
| +10.6 | Round 1 | NETHERLANDS JUNIORS | 4 | 6♣ | ♥4 | = | +7 |
| +9.5 | Round 1 | NETHERLANDS JUNIORS | 7 | 3NT | ♠5 | -1 | +12 |
| +8.4 | Round 6 | MOSS | 6 | 4♠ | ♣K | = | +7 |
| +6.5 | Round 10 | HAFFER | 26 | 1NT | ♥10 | +2 | +10 |
| +5.8 | Round 1 | NETHERLANDS JUNIORS | 8 | 4♠x | ♣Q | -3 | +2 |
| +5.8 | Round 1 | NETHERLANDS JUNIORS | 9 | 5♦x | ♥3 | = | +4 |
| +5.8 | Round 10 | HAFFER | 23 | 3♦ | ♣A | +1 | +7 |
| +5.1 | Round 6 | MOSS | 2 | 5♦ | ♠7 | +1 | +3 |
| +4.8 | Round 6 | MOSS | 10 | 1NT | ♣3 | +1 | +0 |
| +4.7 | Round 10 | HAFFER | 27 | 4♥ | ♠5 | -2 | +11 |
| +4.5 | Round 3 | DALLEY | 4 | 2♥ | ♦6 | -1 | +5 |
| +4.4 | Round 7 | MITTELMAN | 14 | 4♠ | ♥K | = | +11 |
| +4.0 | Round 10 | HAFFER | 21 | 2♠ | ♥7 | +3 | +5 |
| +3.7 | Round 1 | NETHERLANDS JUNIORS | 5 | 2♥ | ♦10 | -1 | -1 |
| +3.7 | Round 2 | MAHAFFEY | 15 | 5♥ | ♠A | = | +6 |
| +3.6 | Round 7 | MITTELMAN | 11 | 3NT | ♥7 | -2 | +6 |
| +3.3 | Round 4 | VIKING NATURAL | 17 | 3NT | ♥5 | +2 | +1 |
| +2.9 | Round 5 | ARGENTINA | 24 | 6♥ | ♠9 | = | +0 |
| +2.6 | Round 3 | DALLEY | 1 | 2NT | ♣5 | +1 | +1 |
| +2.3 | Round 6 | MOSS | 1 | 3NT | ♠3 | -2 | +5 |
| +2.3 | Round 6 | MOSS | 7 | 1NT | ♥7 | +3 | +1 |
| +2.1 | Round 4 | VIKING NATURAL | 11 | 3♠ | ♣2 | +1 | +6 |
| +2.0 | Round 6 | MOSS | 9 | 2♦ | ♣4 | -1 | +0 |
| +1.9 | Round 1 | NETHERLANDS JUNIORS | 2 | 3♥ | ♦10 | = | +0 |
| +1.9 | Round 9 | PDC | 11 | 3NT | ♣3 | = | -1 |
| +1.8 | Round 2 | MAHAFFEY | 17 | 3NT | ♠9 | +1 | +0 |
| +1.7 | Round 7 | MITTELMAN | 20 | 2♠ | ♠2 | +2 | +1 |
| +1.6 | Round 10 | HAFFER | 28 | 1NT | ♠Q | -2 | +0 |
| +1.5 | Round 2 | MAHAFFEY | 16 | 4♠ | ♣9 | +1 | +11 |
| +1.4 | Round 9 | PDC | 12 | 6NT | ♠6 | = | +0 |
| +1.2 | Round 8 | SCHWARTZ | 2 | 1NT | ♥3 | +2 | -6 |
| +1.0 | Round 4 | VIKING NATURAL | 18 | 2♥ | ♣6 | +1 | +1 |
| +1.0 | Round 5 | ARGENTINA | 30 | 4♠ | ♦3 | +1 | +1 |
| +0.8 | Round 5 | ARGENTINA | 28 | Pass | +3 | ||
| +0.7 | Round 2 | MAHAFFEY | 13 | 4♥ | ♦J | +1 | +0 |
| +0.6 | Round 6 | MOSS | 3 | 1NT | ♥J | = | -2 |
| +0.5 | Round 7 | MITTELMAN | 18 | 3NT | ♥4 | +1 | -1 |
| +0.4 | Round 1 | NETHERLANDS JUNIORS | 10 | 4♥ | ♠2 | +1 | +0 |
| +0.2 | Round 5 | ARGENTINA | 29 | 3NT | ♥J | +1 | +1 |
| +0.1 | Round 9 | PDC | 20 | 3NT | ♥4 | +2 | -13 |
| -0.0 | Round 5 | ARGENTINA | 26 | 2♠ | ♥3 | = | +1 |
| -0.1 | Round 2 | MAHAFFEY | 18 | 3NT | ♠Q | +1 | +0 |
| -0.1 | Round 3 | DALLEY | 7 | 3NT | ♠3 | +1 | +0 |
| -0.2 | Round 6 | MOSS | 5 | 3♠ | ♦5 | -1 | -2 |
| -0.4 | Round 4 | VIKING NATURAL | 16 | 1NT | ♥5 | -1 | +0 |
| -0.4 | Round 4 | VIKING NATURAL | 19 | 3♥ | ♣2 | = | +0 |
| -0.4 | Round 5 | ARGENTINA | 22 | 2♠ | ♥3 | = | +0 |
| -0.5 | Round 8 | SCHWARTZ | 6 | 3NT | ♠Q | = | +0 |
| -0.5 | Round 9 | PDC | 16 | 4♥ | ♠A | +2 | +3 |
| -0.6 | Round 5 | ARGENTINA | 25 | 3NT | ♥3 | +2 | -1 |
| -0.6 | Round 10 | HAFFER | 29 | 3NT | ♥5 | = | -1 |
| -0.7 | Round 6 | MOSS | 4 | 2♥ | ♦9 | -1 | -11 |
| -0.8 | Round 7 | MITTELMAN | 16 | 6♣ | ♥4 | +1 | +11 |
| -0.8 | Round 10 | HAFFER | 30 | 2♦ | ♦8 | = | +0 |
| -0.9 | Round 8 | SCHWARTZ | 5 | 5♣ | ♥4 | = | +2 |
| -1.0 | Round 2 | MAHAFFEY | 12 | 2♥ | ♦K | +1 | +0 |
| -1.0 | Round 2 | MAHAFFEY | 19 | 3NT | ♦2 | -1 | -12 |
| -1.0 | Round 3 | DALLEY | 9 | 3NT | ♠2 | +1 | +0 |
| -1.0 | Round 5 | ARGENTINA | 27 | 1NT | ♦7 | -1 | -5 |
| -1.2 | Round 1 | NETHERLANDS JUNIORS | 1 | 3♠ | ♣A | = | +0 |
| -1.2 | Round 7 | MITTELMAN | 12 | 1NT | ♦A | +2 | -1 |
| -1.2 | Round 9 | PDC | 19 | 1NT | ♠A | = | -1 |
| -1.2 | Round 10 | HAFFER | 24 | 6NT | ♥6 | = | +0 |
| -1.2 | Round 10 | HAFFER | 25 | 5♦ | ♥J | = | -2 |
| -1.3 | Round 7 | MITTELMAN | 15 | 4♥ | ♦7 | = | +0 |
| -1.6 | Round 3 | DALLEY | 8 | 4♠ | ♣K | -1 | -4 |
| -1.6 | Round 4 | VIKING NATURAL | 20 | 2♥ | ♦A | = | -5 |
| -1.6 | Round 8 | SCHWARTZ | 10 | 3NT | ♠4 | -1 | +0 |
| -1.6 | Round 9 | PDC | 15 | 4♠ | ♣5 | +1 | +0 |
| -1.8 | Round 9 | PDC | 13 | 3NT | ♠7 | +2 | +0 |
| -2.4 | Round 2 | MAHAFFEY | 14 | 2♥ | ♣A | = | -5 |
| -2.4 | Round 3 | DALLEY | 6 | 2♠ | ♣9 | = | +0 |
| -2.8 | Round 7 | MITTELMAN | 17 | 3♥ | ♦J | = | -1 |
| -2.9 | Round 4 | VIKING NATURAL | 13 | 2NT | ♥A | -1 | -6 |
| -3.0 | Round 9 | PDC | 17 | 5♥ | ♠3 | = | +0 |
| -3.1 | Round 8 | SCHWARTZ | 4 | 4♥ | ♠10 | -1 | -6 |
| -3.3 | Round 4 | VIKING NATURAL | 12 | 3♠ | ♣6 | = | -1 |
| -3.3 | Round 6 | MOSS | 8 | 2♣ | ♣2 | +1 | -5 |
| -3.4 | Round 2 | MAHAFFEY | 20 | 2♠ | ♥K | -1 | -6 |
| -3.5 | Round 3 | DALLEY | 3 | 3♦ | ♠A | -3 | +0 |
| -3.5 | Round 3 | DALLEY | 5 | 2♥ | ♦K | -1 | -5 |
| -3.5 | Round 9 | PDC | 18 | 4♠ | ♥4 | -1 | -6 |
| -3.6 | Round 1 | NETHERLANDS JUNIORS | 6 | 3NT | ♠3 | +1 | +0 |
| -3.6 | Round 7 | MITTELMAN | 19 | 4♥ | ♠6 | = | +0 |
| -3.8 | Round 3 | DALLEY | 2 | 4♠ | ♣10 | -1 | -9 |
| -3.9 | Round 5 | ARGENTINA | 23 | 3♥ | ♣3 | +1 | -12 |
| -4.0 | Round 5 | ARGENTINA | 21 | 3NT | ♥3 | +3 | -11 |
| -4.1 | Round 8 | SCHWARTZ | 3 | 3NT | ♥8 | -2 | -13 |
| -4.9 | Round 2 | MAHAFFEY | 11 | 1NT | ♠8 | = | -5 |
| -4.9 | Round 7 | MITTELMAN | 13 | 6♠x | ♣10 | = | -11 |
| -5.1 | Round 8 | SCHWARTZ | 8 | 4♠ | ♠3 | = | -7 |
| -5.4 | Round 4 | VIKING NATURAL | 15 | 6♦x | ♥2 | -1 | -11 |
| -5.4 | Round 8 | SCHWARTZ | 7 | 3NT | ♣K | -1 | -12 |
| -5.8 | Round 10 | HAFFER | 22 | 4♥ | ♣5 | = | +1 |
| -6.2 | Round 8 | SCHWARTZ | 9 | 4♠ | ♥3 | = | -7 |
| -6.4 | Round 1 | NETHERLANDS JUNIORS | 3 | 4♠ | ♥7 | +3 | -14 |
| -6.9 | Round 8 | SCHWARTZ | 1 | 4♠x | ♥6 | -1 | -6 |
| -7.9 | Round 4 | VIKING NATURAL | 14 | 3NT | ♣10 | -2 | -11 |
| -8.7 | Round 9 | PDC | 14 | 3NT | ♠2 | +1 | -7 |