NAB Bart · NETHERLANDS 4
170rank
-0.7Butler · 100 bds
-0.01per board
±4.4swing
+0.55vs par /bd · #93/332
+0.22adjusted /bd
by round
vs par split: bidding +0.17 · play +0.38
Strength of schedule: opponents averaged +0.23/bd (a tough draw) → opponent-adjusted +0.22/bd
Card play — on target: opening leads 77.1% #163 of 332 · declarer play 88.2% #39 of 332 · defence 91.1% #56 of 332
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (12) | 78.3% (23) |
| Declarer play | 100.0% (4) | 84.6% (13) |
| Defence | 100.0% (20) | 86.1% (36) |
Opening leads by suit led: ♠ 80.0% (10) · ♥ 81.8% (11) · ♦ 66.7% (6) · ♣ 75.0% (8)
vs par by strain: NT +0.28 (32) · a suit +0.68 (68)
vs par by level: part-score +0.28 (29) · game +0.66 (65) · slam +0.67 (6)
By role: declaring -0.51/bd (-1.50 vs par · 44) · defending +0.39/bd (+2.16 vs par · 56)
By vulnerability: vulnerable +0.54/bd (+1.45 vs par · 51) · not vulnerable -0.58/bd (-0.39 vs par · 49)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Duursma | D.Bylund – H.Stromberg | Closed | 10 | +16.4 | +1.64 | +2.70 |
| Round 2 | J.Duursma | S.Brink – B.Ferm | Closed | 10 | +2.9 | +0.29 | -0.40 |
| Round 3 | J.Duursma | N.Hetz – M.Poplilov | Closed | 10 | +25.6 | +2.56 | +2.30 |
| Round 4 | J.Duursma | F.Danielsen – N.Bekkouche | Closed | 10 | +14.3 | +1.43 | +4.20 |
| Round 5 | J.Duursma | F.Weiss – L.Selway | Closed | 10 | -23.0 | -2.30 | -1.70 |
| Round 6 | J.Duursma | N.Bausback – H.Ding | Closed | 10 | +0.5 | +0.05 | -0.40 |
| Round 7 | J.Duursma | J.Alfejeva – K.Rubins | Open | 10 | -8.9 | -0.89 | +1.10 |
| Round 8 | J.Duursma | R.Tembouret – P.Nataf | Open | 10 | -15.0 | -1.50 | -3.50 |
| Round 9 | J.Duursma | J.Zalewska – G.Narkiewicz | Closed | 10 | -5.9 | -0.59 | +0.90 |
| Round 10 | J.Duursma | I.Luessmann – C.Luessmann | Closed | 10 | -7.6 | -0.76 | +0.30 |
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 |
|---|---|---|---|---|---|---|---|
| +13.5 | Round 1 | 123KEEPITUP | 6 | 6♠ | ♣3 | = | +13 |
| +12.0 | Round 1 | 123KEEPITUP | 3 | 5♥x | ♣A | = | +13 |
| +10.4 | Round 4 | SPARKLING VINTAGES | 5 | 3NT | ♦10 | -1 | +12 |
| +10.3 | Round 2 | FERM | 20 | 6♠ | ♣A | = | +0 |
| +8.7 | Round 3 | ARROW | 30 | 4♠ | ♠7 | -1 | +10 |
| +7.3 | Round 9 | BRIDGE24 | 25 | 4♠ | ♥A | -1 | +10 |
| +6.2 | Round 10 | MUNICH | 2 | 3NT | ♣8 | -2 | +12 |
| +6.0 | Round 3 | ARROW | 29 | 4♠ | ♠10 | +1 | +1 |
| +6.0 | Round 6 | 54FUN | 22 | 3NT | ♥5 | -1 | +5 |
| +5.8 | Round 9 | BRIDGE24 | 22 | 6♦ | ♥2 | -1 | +14 |
| +5.5 | Round 3 | ARROW | 25 | 4♣ | ♥A | -2 | +5 |
| +5.1 | Round 4 | SPARKLING VINTAGES | 1 | 5♠ | ♣Q | -1 | -2 |
| +4.7 | Round 8 | EX S | 20 | 3NT | ♠3 | -2 | +8 |
| +4.5 | Round 5 | JUST MIXED | 17 | 3NT | ♠J | -2 | +6 |
| +3.9 | Round 1 | 123KEEPITUP | 8 | 4♠ | ♣Q | -2 | +6 |
| +3.6 | Round 3 | ARROW | 26 | 4♥ | ♣2 | +2 | +13 |
| +3.5 | Round 6 | 54FUN | 29 | 4♥ | ♣K | +1 | +0 |
| +3.4 | Round 2 | FERM | 11 | 3♥ | ♦10 | +2 | +6 |
| +3.4 | Round 2 | FERM | 19 | 1NT | ♠10 | +2 | +6 |
| +3.1 | Round 4 | SPARKLING VINTAGES | 6 | 2♥ | ♣K | = | +6 |
| +2.7 | Round 4 | SPARKLING VINTAGES | 7 | 4♠ | ♦7 | -3 | +13 |
| +2.3 | Round 4 | SPARKLING VINTAGES | 10 | 3♠ | ♣A | -1 | -1 |
| +2.2 | Round 7 | GROUP ONE TEAM | 3 | 3♠ | ♦9 | +1 | +1 |
| +2.1 | Round 7 | GROUP ONE TEAM | 2 | 3♥ | ♣J | -1 | +5 |
| +1.9 | Round 4 | SPARKLING VINTAGES | 3 | 5♥ | ♠2 | +1 | +11 |
| +1.8 | Round 6 | 54FUN | 25 | 4♥ | ♣A | -1 | -2 |
| +1.8 | Round 7 | GROUP ONE TEAM | 6 | 4♥ | ♠3 | +2 | +11 |
| +1.6 | Round 2 | FERM | 13 | 5♣x | ♦A | -2 | +4 |
| +1.5 | Round 3 | ARROW | 28 | 1NT | ♠7 | = | +5 |
| +1.4 | Round 6 | 54FUN | 24 | 3♦ | ♠7 | = | +0 |
| +1.4 | Round 6 | 54FUN | 27 | 1NT | ♣5 | -1 | -1 |
| +1.1 | Round 10 | MUNICH | 1 | 3♣ | ♠8 | -1 | +4 |
| +1.0 | Round 1 | 123KEEPITUP | 2 | 4♠ | ♦10 | = | -1 |
| +1.0 | Round 1 | 123KEEPITUP | 10 | 4♠ | ♦3 | +1 | -4 |
| +1.0 | Round 3 | ARROW | 22 | 5♦ | ♥6 | = | +2 |
| +1.0 | Round 3 | ARROW | 23 | 3NT | ♦4 | = | -2 |
| +0.9 | Round 8 | EX S | 17 | 2NT | ♥9 | -2 | -1 |
| +0.8 | Round 7 | GROUP ONE TEAM | 8 | 3♥ | ♦2 | -1 | -2 |
| +0.6 | Round 10 | MUNICH | 10 | 3NT | ♥10 | +1 | +0 |
| +0.5 | Round 9 | BRIDGE24 | 28 | 1NT | ♣5 | +1 | -6 |
| +0.3 | Round 5 | JUST MIXED | 14 | 4♥ | ♣2 | +1 | +0 |
| +0.2 | Round 2 | FERM | 18 | 3♣ | ♦A | +2 | -7 |
| +0.2 | Round 3 | ARROW | 21 | 3NT | ♥Q | = | -1 |
| +0.2 | Round 8 | EX S | 16 | 3NT | ♣4 | +2 | +0 |
| +0.2 | Round 9 | BRIDGE24 | 26 | 3NT | ♠K | +1 | +1 |
| +0.1 | Round 3 | ARROW | 27 | 3NT | ♦3 | +1 | +0 |
| +0.1 | Round 7 | GROUP ONE TEAM | 9 | 3NT | ♣10 | +1 | +0 |
| +0.1 | Round 8 | EX S | 18 | 5♦ | ♥9 | +1 | -11 |
| +0.1 | Round 9 | BRIDGE24 | 30 | 4♠ | ♠5 | +1 | +0 |
| -0.0 | Round 5 | JUST MIXED | 11 | 4♥ | ♦2 | +1 | +0 |
| -0.1 | Round 10 | MUNICH | 6 | 3NT | ♥8 | +1 | +0 |
| -0.2 | Round 5 | JUST MIXED | 16 | 1NT | ♠3 | +1 | +1 |
| -0.2 | Round 10 | MUNICH | 4 | 2♠ | ♥5 | -2 | +7 |
| -0.3 | Round 1 | 123KEEPITUP | 5 | 3NT | ♥Q | -1 | +6 |
| -0.3 | Round 10 | MUNICH | 3 | 4♥ | ♠Q | +1 | +0 |
| -0.4 | Round 6 | 54FUN | 30 | 3NT | ♣3 | +3 | -10 |
| -0.5 | Round 4 | SPARKLING VINTAGES | 4 | 4♥ | ♣6 | = | +0 |
| -0.8 | Round 5 | JUST MIXED | 12 | 4♠ | ♦5 | +1 | +0 |
| -0.9 | Round 4 | SPARKLING VINTAGES | 8 | 5♦ | ♥5 | -1 | +2 |
| -0.9 | Round 10 | MUNICH | 8 | 2♠ | ♥J | -2 | +0 |
| -1.2 | Round 8 | EX S | 11 | 5♥ | ♣5 | = | -11 |
| -1.3 | Round 6 | 54FUN | 26 | 3NT | ♠6 | = | +1 |
| -1.4 | Round 2 | FERM | 15 | 4♥ | ♦6 | +2 | -1 |
| -1.4 | Round 5 | JUST MIXED | 18 | 4♥ | ♠K | -1 | +2 |
| -1.7 | Round 4 | SPARKLING VINTAGES | 2 | 5♥ | ♦K | +1 | +1 |
| -1.7 | Round 7 | GROUP ONE TEAM | 5 | 4♠x | ♦K | -2 | +5 |
| -1.7 | Round 9 | BRIDGE24 | 23 | 2♠ | ♠A | +1 | -1 |
| -1.9 | Round 2 | FERM | 16 | 3NT | ♥4 | -2 | -2 |
| -2.0 | Round 3 | ARROW | 24 | 6♣ | ♥3 | -1 | -10 |
| -2.0 | Round 8 | EX S | 12 | 1NT | ♥A | +1 | +1 |
| -2.1 | Round 1 | 123KEEPITUP | 1 | 4♠ | ♣6 | = | +0 |
| -2.1 | Round 5 | JUST MIXED | 19 | 4♠x | ♣8 | -1 | -5 |
| -2.1 | Round 6 | 54FUN | 21 | 4♣ | ♥5 | = | +9 |
| -2.1 | Round 9 | BRIDGE24 | 29 | 3♦ | ♥7 | +1 | +0 |
| -2.2 | Round 1 | 123KEEPITUP | 9 | 3NT | ♠9 | -1 | +0 |
| -2.2 | Round 2 | FERM | 12 | 3♠ | ♥5 | -1 | +2 |
| -2.6 | Round 2 | FERM | 17 | 2NT | ♦10 | +1 | -6 |
| -2.7 | Round 7 | GROUP ONE TEAM | 1 | 2♠ | ♦2 | = | +0 |
| -2.9 | Round 1 | 123KEEPITUP | 4 | 4♠ | ♣K | = | +0 |
| -2.9 | Round 5 | JUST MIXED | 13 | 4♥ | ♣Q | = | +0 |
| -3.0 | Round 7 | GROUP ONE TEAM | 10 | 3NT | ♠3 | +3 | -1 |
| -3.0 | Round 10 | MUNICH | 5 | 2♠ | ♦K | = | -6 |
| -3.2 | Round 10 | MUNICH | 9 | 4♥ | ♠A | -1 | -5 |
| -3.4 | Round 7 | GROUP ONE TEAM | 4 | 4♥ | ♠J | +1 | +0 |
| -3.8 | Round 8 | EX S | 15 | 5♦ | ♥A | = | -3 |
| -4.1 | Round 9 | BRIDGE24 | 21 | 4♠ | ♥Q | -1 | -5 |
| -4.3 | Round 9 | BRIDGE24 | 24 | 4♥ | ♥3 | = | +0 |
| -4.6 | Round 6 | 54FUN | 23 | 4♥ | ♥Q | -2 | -3 |
| -4.6 | Round 8 | EX S | 13 | 3NT | ♥5 | -2 | -8 |
| -4.6 | Round 8 | EX S | 14 | 4♥ | ♠2 | = | -3 |
| -4.7 | Round 8 | EX S | 19 | 4♠ | ♣J | = | -7 |
| -5.0 | Round 5 | JUST MIXED | 20 | 3NT | ♣10 | -2 | -8 |
| -5.1 | Round 7 | GROUP ONE TEAM | 7 | 4♥ | ♣3 | -2 | -8 |
| -5.2 | Round 6 | 54FUN | 28 | 3NT | ♠3 | = | -3 |
| -7.5 | Round 1 | 123KEEPITUP | 7 | 2♥ | ♣2 | = | -6 |
| -7.6 | Round 9 | BRIDGE24 | 27 | 4♣x | ♠A | -2 | -4 |
| -7.8 | Round 10 | MUNICH | 7 | 2♣x | ♠7 | -2 | -9 |
| -7.9 | Round 2 | FERM | 14 | 3NT | ♥A | -3 | -6 |
| -8.1 | Round 4 | SPARKLING VINTAGES | 9 | 6NT | ♠J | = | +0 |
| -15.4 | Round 5 | JUST MIXED | 15 | 7♦x | ♠7 | -6 | -13 |