KASPRZYK Jaroslaw · DUTCH WORLD YOUTH CH
23rank
+9.7Butler · 10 bds
+0.97per board
±4.1swing
-1.00vs par /bd
+0.43adjusted /bd
by round
vs par split: bidding -0.80 · play -0.20
Strength of schedule: opponents averaged -0.54/bd (an easy draw) → opponent-adjusted +0.43/bd
Card play — on target: opening leads 66.7% · declarer play 50.0% · defence 83.3%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 0.0% (1) | 100.0% (2) |
| Declarer play | 100.0% (1) | 0.0% (1) |
| Defence | 100.0% (1) | 80.0% (5) |
Opening leads by suit led: ♣ 66.7% (3)
vs par by strain: NT -0.50 (2) · a suit -1.12 (8)
vs par by level: part-score -2.80 (5) · game +0.80 (5)
By role: declaring -0.28/bd (-4.50 vs par · 4) · defending +1.80/bd (+1.33 vs par · 6)
By vulnerability: vulnerable +0.12/bd (-2.20 vs par · 5) · not vulnerable +1.82/bd (+0.20 vs par · 5)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 15 | B.Bos | P.Goodman – A.Machale | Closed | 10 | +9.7 | +0.97 | -1.00 |
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 |
|---|---|---|---|---|---|---|---|
| +8.9 | Round 15 | MACHALE | 29 | 4♠x | ♥K | -2 | +8 |
| +7.3 | Round 15 | MACHALE | 25 | 4♠ | ♣K | -3 | +9 |
| +2.5 | Round 15 | MACHALE | 27 | 1NT | ♠2 | = | +0 |
| +1.0 | Round 15 | MACHALE | 28 | 4♥ | ♦K | +2 | -12 |
| +0.1 | Round 15 | MACHALE | 30 | 3NT | ♣A | +2 | -1 |
| -0.3 | Round 15 | MACHALE | 22 | 2♠ | ♣K | -1 | -7 |
| -0.5 | Round 15 | MACHALE | 24 | 4♠ | ♦K | +1 | +0 |
| -0.7 | Round 15 | MACHALE | 23 | 3♥ | ♦4 | -1 | +6 |
| -4.1 | Round 15 | MACHALE | 21 | 3♠ | ♥K | -1 | -6 |
| -4.5 | Round 15 | MACHALE | 26 | 3♥ | ♦A | = | -7 |