Marina WITVLIET · BID72
vs par split: bidding -0.25 · play +0.17
Strength of schedule: opponents averaged -0.20/bd (an easy draw) → opponent-adjusted -0.04/bd
Card play — on target: opening leads 76.9% #172 of 265 · declarer play 81.8% #50 of 265 · defence 81.2% #192 of 265
Bidding activity — not a pass: 44.7% #69 of 265 (72/161)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (4) | 66.7% (9) |
| Declarer play | 100.0% (2) | 77.8% (9) |
| Defence | 63.6% (11) | 90.5% (21) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 80.0% (5) · ♦ 66.7% (3) · ♣ 100.0% (3)
vs par by strain: NT +1.61 (18) · a suit -0.83 (41)
vs par by level: part-score -1.48 (27) · game +0.86 (29) · slam +3.33 (3)
By role: declaring +1.22/bd (-1.56 vs par · 27) · defending -0.67/bd (+1.16 vs par · 32)
By vulnerability: vulnerable +0.47/bd (+0.06 vs par · 33) · not vulnerable -0.19/bd (-0.41 vs par · 27)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Jan VAN CLEEFF | Justyna ZMUDA – Michal KLUKOWSKI | Closed | 10 | -3.2 | -0.32 | +0.90 |
| Round 3 | Jan VAN CLEEFF | Khaled Hassan ABDELATEIF – Mahyra HUSAIN | Open | 10 | +0.3 | +0.03 | -1.40 |
| Round 4 | Jan VAN CLEEFF | Marek SZYMANOWSKI – Ewa SOBOLEWSKA | Closed | 10 | +0.3 | +0.03 | +0.30 |
| Round 6 | Jan VAN CLEEFF | Veronica HARTMANN – Fernando VILLALBA | Closed | 10 | -1.8 | -0.18 | -0.80 |
| Round 7 | Jan VAN CLEEFF | Kamil URBANSKI – Anna KOSIOREK | Closed | 10 | +27.0 | +2.70 | +1.20 |
| Round 8 | Jan VAN CLEEFF | Sandro BOHNSACK – Ezgi Ece AGA | Open | 10 | -12.4 | -1.24 | -1.10 |
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 |
|---|---|---|---|---|---|---|---|
| +14.3 | Round 1 | EDMONDS | 2 | 7♥ | ♦5 | = | +14 |
| +9.0 | Round 7 | BJING | 3 | 4♠ | ♣K | = | +0 |
| +7.8 | Round 6 | CAJICA | 22 | 3NT | ♠6 | -2 | +11 |
| +7.8 | Round 7 | BJING | 1 | 5♣ | ♥4 | = | +0 |
| +7.3 | Round 1 | EDMONDS | 7 | 3NT | ♥7 | -1 | +12 |
| +7.0 | Round 7 | BJING | 7 | 5♥x | ♠A | -1 | +12 |
| +6.0 | Round 4 | EWSKA | 2 | 1NT | ♦3 | -2 | +7 |
| +5.8 | Round 4 | EWSKA | 1 | 5♥x | ♦9 | -1 | +9 |
| +5.4 | Round 3 | MAK MAN | 23 | 3NT | ♣K | -2 | +8 |
| +5.0 | Round 6 | CAJICA | 21 | 3♦ | ♠3 | -3 | +5 |
| +3.9 | Round 3 | MAK MAN | 25 | 2NT | ♣9 | = | -1 |
| +3.9 | Round 8 | FORCING PROBABLY | 12 | 4♥x | ♦A | -1 | +6 |
| +3.7 | Round 6 | CAJICA | 23 | 4♦ | ♣7 | = | +0 |
| +3.6 | Round 4 | EWSKA | 4 | 3NT | ♥5 | = | -1 |
| +3.5 | Round 7 | BJING | 5 | 3NT | ♠7 | -4 | +7 |
| +3.2 | Round 4 | EWSKA | 3 | 3♦ | ♥Q | +1 | +7 |
| +2.8 | Round 3 | MAK MAN | 21 | 3♦ | ♣5 | = | -1 |
| +2.4 | Round 7 | BJING | 6 | 2♥ | ♦Q | +1 | +1 |
| +2.2 | Round 3 | MAK MAN | 26 | 3NT | ♥2 | = | +0 |
| +1.7 | Round 6 | CAJICA | 28 | 2♦ | ♠3 | -1 | +3 |
| +1.5 | Round 3 | MAK MAN | 28 | 1NT | ♠4 | -1 | -2 |
| +1.3 | Round 7 | BJING | 4 | 4♥ | ♠6 | = | +0 |
| +1.3 | Round 8 | FORCING PROBABLY | 15 | 3♣ | ♥8 | -1 | -3 |
| +1.2 | Round 1 | EDMONDS | 6 | 5♥ | ♠8 | = | -13 |
| +1.2 | Round 8 | FORCING PROBABLY | 17 | 3NT | ♣8 | -1 | +10 |
| +0.9 | Round 8 | FORCING PROBABLY | 11 | 3♥ | ♣T | -1 | -2 |
| +0.4 | Round 3 | MAK MAN | 24 | 4♠ | ♦9 | +1 | +0 |
| +0.3 | Round 7 | BJING | 2 | 4♠ | ♦4 | +1 | +0 |
| +0.2 | Round 1 | EDMONDS | 10 | 3♥ | ♣K | +1 | +10 |
| +0.1 | Round 6 | CAJICA | 30 | 2♣ | ♦T | -1 | -2 |
| -0.4 | Round 4 | EWSKA | 10 | 3♣ | ♥K | +1 | +0 |
| -0.4 | Round 7 | BJING | 10 | 2♦ | ♠K | +3 | -15 |
| -0.7 | Round 1 | EDMONDS | 3 | 3NT | ♠8 | +2 | -1 |
| -0.7 | Round 8 | FORCING PROBABLY | 19 | 1NT | ♥3 | -1 | -1 |
| -1.0 | Round 4 | EWSKA | 9 | 4♠ | ♦4 | = | +0 |
| -1.0 | Round 7 | BJING | 9 | 4♠ | ♥4 | -3 | +12 |
| -1.4 | Round 8 | FORCING PROBABLY | 16 | Pass | -4 | ||
| -1.5 | Round 1 | EDMONDS | 1 | 4♦ | ♦6 | -1 | +4 |
| -2.0 | Round 4 | EWSKA | 5 | 4♥ | ♦K | +2 | -11 |
| -2.1 | Round 3 | MAK MAN | 22 | 2♦ | ♦T | = | +0 |
| -2.2 | Round 8 | FORCING PROBABLY | 13 | 4♠ | ♦K | +1 | +0 |
| -2.3 | Round 6 | CAJICA | 25 | 2♦ | ♠J | -3 | -10 |
| -2.4 | Round 4 | EWSKA | 6 | 3♥ | ♦6 | = | -1 |
| -2.4 | Round 6 | CAJICA | 24 | 4♥ | ♣4 | +2 | -11 |
| -2.8 | Round 8 | FORCING PROBABLY | 20 | 2♠ | ♣2 | +2 | -8 |
| -2.9 | Round 7 | BJING | 8 | 2♦ | ♥K | +1 | -5 |
| -3.1 | Round 3 | MAK MAN | 29 | 2♠ | ♣K | = | -6 |
| -3.1 | Round 4 | EWSKA | 8 | 3♥ | ♠K | +1 | -7 |
| -4.2 | Round 1 | EDMONDS | 4 | 2NT | ♠J | = | -1 |
| -4.2 | Round 1 | EDMONDS | 9 | 4♠ | ♦A | -1 | -12 |
| -4.2 | Round 6 | CAJICA | 26 | 1NT | ♣4 | -1 | -5 |
| -4.3 | Round 6 | CAJICA | 29 | 3NT | ♦5 | = | +1 |
| -5.0 | Round 3 | MAK MAN | 30 | 3NT | ♠J | -1 | -5 |
| -5.7 | Round 3 | MAK MAN | 27 | 2♣x | ♥Q | = | -7 |
| -5.8 | Round 8 | FORCING PROBABLY | 18 | 4♠ | ♣K | = | +1 |
| -6.8 | Round 8 | FORCING PROBABLY | 14 | 3NT | ♣J | -1 | -10 |
| -6.9 | Round 6 | CAJICA | 27 | 3NT | ♠4 | +2 | +0 |
| -7.3 | Round 1 | EDMONDS | 8 | 6♠ | ♦5 | -1 | -4 |
| -8.3 | Round 1 | EDMONDS | 5 | 4♠ | ♣K | = | +0 |
| -9.4 | Round 4 | EWSKA | 7 | 6♥ | ♥2 | = | +0 |