ZWART Peter · VALLON BRIDGE
210rank
-25.7Butler · 98 bds
-0.26per board
±4.1swing
+0.13vs par /bd · #104/241
-0.26adjusted /bd
by round
vs par split: bidding +0.70 · play -0.57
Strength of schedule: opponents averaged +0.01/bd (an average draw) → opponent-adjusted -0.26/bd
Card play — on target: opening leads 86.7% #54 of 241 · declarer play 60.9% #215 of 241 · defence 84.6% #148 of 241
Bidding activity — not a pass: 37.8% #209 of 241 (111/294)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 90.9% (11) |
| Declarer play | 58.3% (12) | 63.6% (11) |
| Defence | 71.4% (14) | 89.5% (38) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (3) · ♦ 100.0% (2) · ♣ 85.7% (7)
vs par by strain: NT -0.90 (31) · a suit +0.61 (67)
vs par by level: part-score -0.83 (18) · game +0.23 (70) · slam +1.20 (10)
By role: declaring -0.70/bd (-4.04 vs par · 46) · defending +0.12/bd (+3.83 vs par · 52)
By vulnerability: vulnerable -0.15/bd (+0.29 vs par · 49) · not vulnerable -0.37/bd (-0.02 vs par · 49)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Van Der Neut | J.Stoeckli – F.Stoeckli | Closed | 14 | -32.0 | -2.29 | -3.57 |
| Round 3 | J.Van Der Neut | T.Rees – S.Punch | Closed | 14 | -18.5 | -1.32 | -1.57 |
| Round 4 | J.Van Der Neut | M.Knob – C.Wanha | Open | 14 | -22.0 | -1.57 | -0.21 |
| Round 5 | J.Van Der Neut | C.Romanowski – M.Drozd | Closed | 14 | +7.0 | +0.50 | -0.14 |
| Round 6 | J.Van Der Neut | W.Wong – H.Koo | Open | 14 | -4.4 | -0.31 | +2.43 |
| Round 7 | J.Van Der Neut | A.Van Den Bergh – N.Van Den Bergh | Closed | 14 | +22.7 | +1.62 | +2.71 |
| Round 8 | J.Van Der Neut | J.Rumancik – M.Vodicka | Closed | 14 | +21.5 | +1.54 | +1.29 |
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 |
|---|---|---|---|---|---|---|---|
| +9.6 | Round 5 | CZECHIA U31 | 5 | 4♥x | ♦K | +1 | +7 |
| +8.0 | Round 5 | CZECHIA U31 | 13 | 5♦ | ♠K | -2 | +13 |
| +7.8 | Round 7 | NEXT GEN BRIDGE | 7 | 4♥x | ♦K | -1 | +9 |
| +7.7 | Round 4 | NP MANU | 18 | 5♣x | ♦7 | = | +3 |
| +6.7 | Round 4 | NP MANU | 27 | 3NT | ♦K | = | +6 |
| +6.6 | Round 7 | NEXT GEN BRIDGE | 3 | 5♣x | ♥3 | -3 | +5 |
| +6.1 | Round 7 | NEXT GEN BRIDGE | 11 | 5♦ | ♠T | = | +11 |
| +5.8 | Round 6 | BANANA | 28 | 3NT | ♦4 | -1 | +6 |
| +5.6 | Round 1 | ISTARI | 4 | 4♠ | ♦K | -1 | +12 |
| +5.3 | Round 7 | NEXT GEN BRIDGE | 2 | 4♥ | ♣8 | -3 | +13 |
| +5.1 | Round 8 | SLOVAKIA BLUE | 17 | 4♠ | ♦Q | -1 | +10 |
| +4.8 | Round 5 | CZECHIA U31 | 10 | 3♠ | ♣7 | = | +0 |
| +4.7 | Round 1 | ISTARI | 6 | 3NT | ♠T | +1 | +1 |
| +4.6 | Round 8 | SLOVAKIA BLUE | 22 | 4♠ | ♦3 | -2 | +11 |
| +4.5 | Round 8 | SLOVAKIA BLUE | 27 | 4♠ | ♥5 | -1 | +5 |
| +4.4 | Round 8 | SLOVAKIA BLUE | 16 | 7♠x | ♣A | -3 | +0 |
| +4.3 | Round 5 | CZECHIA U31 | 12 | 6NT | ♣A | = | +0 |
| +3.5 | Round 8 | SLOVAKIA BLUE | 20 | 2♦ | ♠T | = | +5 |
| +2.6 | Round 8 | SLOVAKIA BLUE | 24 | 3♥ | ♣4 | = | +0 |
| +2.1 | Round 6 | BANANA | 22 | 4♥ | ♠J | -1 | +5 |
| +2.1 | Round 8 | SLOVAKIA BLUE | 26 | 1♠ | ♣7 | +3 | +10 |
| +2.0 | Round 5 | CZECHIA U31 | 2 | 3NT | ♦7 | = | +0 |
| +1.7 | Round 1 | ISTARI | 14 | 3NT | ♠7 | +1 | +0 |
| +1.7 | Round 3 | GOLD BARS | 9 | 3NT | ♦7 | +1 | -1 |
| +1.7 | Round 6 | BANANA | 15 | 6♠ | ♣K | +1 | +13 |
| +1.6 | Round 6 | BANANA | 18 | 3NT | ♠7 | = | +5 |
| +1.5 | Round 7 | NEXT GEN BRIDGE | 13 | 3NT | ♠Q | -2 | +8 |
| +1.4 | Round 6 | BANANA | 21 | 1NT | ♠7 | +1 | +6 |
| +1.4 | Round 7 | NEXT GEN BRIDGE | 12 | 4♠ | ♥2 | -1 | +6 |
| +1.2 | Round 6 | BANANA | 20 | 4♥ | ♠7 | +1 | +0 |
| +1.2 | Round 7 | NEXT GEN BRIDGE | 1 | 1♠ | ♣8 | = | +0 |
| +1.1 | Round 5 | CZECHIA U31 | 1 | 4♠ | ♦6 | +1 | +11 |
| +1.1 | Round 8 | SLOVAKIA BLUE | 15 | 1NT | ♠A | -3 | -3 |
| +1.0 | Round 8 | SLOVAKIA BLUE | 21 | 3NT | ♦7 | +2 | -10 |
| +0.9 | Round 3 | GOLD BARS | 11 | 4♠ | ♥5 | +2 | +1 |
| +0.9 | Round 3 | GOLD BARS | 14 | 5♣ | ♥7 | -2 | +0 |
| +0.8 | Round 4 | NP MANU | 28 | 5♣ | ♠A | -1 | -1 |
| +0.8 | Round 8 | SLOVAKIA BLUE | 23 | 4♥ | ♦A | -2 | +7 |
| +0.6 | Round 4 | NP MANU | 16 | 4♥ | ♣A | +1 | +0 |
| +0.6 | Round 7 | NEXT GEN BRIDGE | 8 | 3NT | ♠7 | +2 | -10 |
| +0.6 | Round 8 | SLOVAKIA BLUE | 25 | 4♠ | ♣6 | = | -1 |
| +0.4 | Round 3 | GOLD BARS | 4 | 3NT | ♠7 | -1 | -6 |
| +0.4 | Round 3 | GOLD BARS | 10 | 3NT | ♠5 | = | +0 |
| +0.4 | Round 7 | NEXT GEN BRIDGE | 4 | 3NT | ♠6 | +1 | +1 |
| +0.4 | Round 8 | SLOVAKIA BLUE | 19 | 4♠ | ♦7 | +1 | +0 |
| +0.3 | Round 6 | BANANA | 17 | 4♠x | ♥A | -2 | -3 |
| +0.3 | Round 6 | BANANA | 26 | 4♥ | ♣6 | = | -1 |
| +0.3 | Round 7 | NEXT GEN BRIDGE | 6 | 4♥ | ♦4 | = | +0 |
| +0.2 | Round 1 | ISTARI | 7 | 4♠ | ♣A | +1 | +0 |
| +0.2 | Round 4 | NP MANU | 17 | 4♥ | ♦J | +2 | +1 |
| +0.2 | Round 5 | CZECHIA U31 | 9 | 3NT | ♠Q | +3 | +11 |
| -0.0 | Round 1 | ISTARI | 10 | 3NT | ♠T | -2 | +2 |
| -0.1 | Round 4 | NP MANU | 19 | 3NT | ♥7 | +1 | -12 |
| -0.1 | Round 5 | CZECHIA U31 | 14 | 4♠ | ♦6 | = | +0 |
| -0.4 | Round 3 | GOLD BARS | 1 | 2NT | ♥2 | +1 | +6 |
| -0.4 | Round 7 | NEXT GEN BRIDGE | 9 | 4♠ | ♣6 | = | -1 |
| -0.5 | Round 3 | GOLD BARS | 2 | 4♠ | ♠T | +2 | +12 |
| -0.6 | Round 3 | GOLD BARS | 8 | 5♥ | ♣A | -1 | -2 |
| -0.6 | Round 4 | NP MANU | 25 | 3NT | ♦J | -1 | -2 |
| -0.7 | Round 1 | ISTARI | 3 | 3♠ | ♥9 | -1 | -2 |
| -0.7 | Round 3 | GOLD BARS | 5 | 3♠ | ♦Q | -1 | -4 |
| -0.8 | Round 3 | GOLD BARS | 3 | 3NT | ♣8 | +2 | -1 |
| -0.9 | Round 6 | BANANA | 16 | 4♥ | ♣7 | +1 | +0 |
| -1.0 | Round 1 | ISTARI | 9 | 2♥ | ♠J | = | +7 |
| -1.1 | Round 6 | BANANA | 19 | 3NT | ♠Q | +3 | +10 |
| -1.3 | Round 3 | GOLD BARS | 6 | 3♦ | ♣9 | = | +0 |
| -1.4 | Round 4 | NP MANU | 22 | 4♠ | ♥K | = | +11 |
| -1.4 | Round 7 | NEXT GEN BRIDGE | 14 | 4♥ | ♠T | = | -3 |
| -1.6 | Round 5 | CZECHIA U31 | 6 | 4♥ | ♠6 | +2 | +1 |
| -1.9 | Round 6 | BANANA | 27 | 3NT | ♣2 | = | +0 |
| -1.9 | Round 8 | SLOVAKIA BLUE | 28 | 2NT | ♠4 | +1 | -6 |
| -2.4 | Round 1 | ISTARI | 8 | 4♠ | ♦6 | +2 | -11 |
| -2.4 | Round 7 | NEXT GEN BRIDGE | 10 | 1NT | ♥4 | +1 | +0 |
| -2.6 | Round 4 | NP MANU | 26 | 4♥ | ♦3 | -1 | -12 |
| -2.8 | Round 6 | BANANA | 24 | 7♠ | ♦J | = | +0 |
| -3.4 | Round 1 | ISTARI | 13 | 4♥ | ♣6 | +2 | -9 |
| -3.4 | Round 5 | CZECHIA U31 | 8 | 1NT | ♥6 | = | -5 |
| -3.7 | Round 5 | CZECHIA U31 | 7 | 6♥ | ♠Q | -2 | -17 |
| -4.2 | Round 4 | NP MANU | 20 | 5♦ | ♥6 | = | +0 |
| -4.2 | Round 4 | NP MANU | 24 | 7♦ | ♣8 | = | +2 |
| -4.3 | Round 3 | GOLD BARS | 7 | 7♠ | ♣K | = | +0 |
| -4.3 | Round 5 | CZECHIA U31 | 11 | 4♠ | ♥A | -1 | -10 |
| -4.3 | Round 6 | BANANA | 25 | 2NT | ♦J | -2 | -7 |
| -4.3 | Round 7 | NEXT GEN BRIDGE | 5 | 4♠ | ♥2 | +1 | -1 |
| -4.6 | Round 5 | CZECHIA U31 | 3 | 3♥ | ♦9 | -1 | -12 |
| -5.3 | Round 5 | CZECHIA U31 | 4 | 4♥ | ♣Q | +1 | -1 |
| -5.9 | Round 1 | ISTARI | 1 | 3NT | ♣8 | +1 | -7 |
| -6.2 | Round 3 | GOLD BARS | 12 | 3NT | ♥5 | -1 | -10 |
| -6.3 | Round 1 | ISTARI | 11 | 3NT | ♦4 | -1 | -10 |
| -6.8 | Round 4 | NP MANU | 15 | 6♥ | ♣6 | = | +13 |
| -7.0 | Round 1 | ISTARI | 5 | 4♠x | ♦7 | -2 | -12 |
| -7.3 | Round 8 | SLOVAKIA BLUE | 18 | 3♣ | ♥T | -1 | -10 |
| -7.8 | Round 4 | NP MANU | 21 | 6♦ | ♥A | = | +1 |
| -7.8 | Round 6 | BANANA | 23 | 6♦ | ♣A | = | +0 |
| -8.0 | Round 3 | GOLD BARS | 13 | 4♠ | ♣4 | -2 | -17 |
| -8.1 | Round 1 | ISTARI | 12 | 4♥x | ♠7 | -2 | -10 |
| -9.4 | Round 1 | ISTARI | 2 | 4♥ | ♠7 | -1 | -11 |
| -10.3 | Round 4 | NP MANU | 23 | 4♥ | ♠6 | -2 | -13 |