WESTERBEEK Chris · DUTCH WORLD YOUTH CH
339rank
-15.6Butler · 80 bds
-0.20per board
±4.6swing
+0.74vs par /bd · #107/471
-0.25adjusted /bd
by round
vs par split: bidding +0.85 · play -0.11
Strength of schedule: opponents averaged -0.05/bd (an easy draw) → opponent-adjusted -0.25/bd
Card play — on target: opening leads 87.5% #53 of 469 · declarer play 83.3% #87 of 469 · defence 84.8% #230 of 471
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 92.3% (13) |
| Declarer play | 66.7% (3) | 86.7% (15) |
| Defence | 75.0% (12) | 88.2% (34) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 100.0% (6) · ♦ 100.0% (3) · ♣ 50.0% (4)
vs par by strain: NT -0.28 (18) · a suit +1.03 (62)
vs par by level: part-score +0.47 (32) · game +0.24 (38) · slam +3.50 (10)
By role: declaring +1.03/bd (-0.15 vs par · 34) · defending -1.10/bd (+1.39 vs par · 46)
By vulnerability: vulnerable -0.46/bd (-0.50 vs par · 38) · not vulnerable +0.04/bd (+1.86 vs par · 42)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | E.Wackwitz | B.Cakradinaga – K.Indrayana | Open | 10 | +8.2 | +0.82 | +0.80 |
| Round 4 | E.Wackwitz | J.Harsanyi – M.Yuen | Open | 10 | -1.4 | -0.14 | +1.20 |
| Round 6 | E.Wackwitz | T.Brogeland – L.Glaerum | Open | 10 | +19.8 | +1.98 | +4.10 |
| Round 8 | E.Wackwitz | M.Bourke – S.Lusk | Open | 10 | +6.4 | +0.64 | +5.20 |
| Round 9 | E.Wackwitz | M.Rosenberg – C.Willenken | Closed | 10 | -15.5 | -1.55 | -4.50 |
| Round 11 | E.Wackwitz | A.Bos – E.Wijnen | Open | 10 | -25.4 | -2.54 | -1.20 |
| Round 12 | E.Wackwitz | L.Bojoh – J.Tueje | Open | 10 | -0.2 | -0.02 | -2.10 |
| Round 14 | E.Wackwitz | C.Ng – H.Wong | Closed | 10 | -7.5 | -0.75 | +2.40 |
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 |
|---|---|---|---|---|---|---|---|
| +11.8 | Round 12 | INA LADIES DJARUM LA | 26 | 4♠ | ♥4 | +2 | +13 |
| +11.7 | Round 9 | FLEISHER | 28 | 7♥ | ♦J | = | +0 |
| +10.1 | Round 12 | INA LADIES DJARUM LA | 28 | 6♥ | ♦A | = | +0 |
| +8.8 | Round 3 | JAWA TIMUR YR | 21 | 5♦x | ♠J | -2 | +12 |
| +7.5 | Round 6 | HEL | 24 | 4♥ | ♦A | = | +7 |
| +7.4 | Round 8 | SYDNEY | 19 | 6♥ | ♣A | -4 | +12 |
| +7.2 | Round 3 | JAWA TIMUR YR | 30 | 2♠ | ♣9 | -2 | +13 |
| +7.1 | Round 6 | HEL | 27 | 4♥x | ♦5 | -3 | +12 |
| +7.0 | Round 6 | HEL | 21 | 4♣x | ♠5 | -2 | +8 |
| +6.4 | Round 14 | HONG KONG GEN X | 16 | 5♥ | ♣A | = | +8 |
| +4.9 | Round 4 | ANZAC | 6 | 2♠ | ♥3 | +3 | +12 |
| +3.7 | Round 3 | JAWA TIMUR YR | 23 | 2♣ | ♥8 | = | +9 |
| +3.6 | Round 8 | SYDNEY | 16 | 3NT | ♣J | +1 | +8 |
| +3.4 | Round 6 | HEL | 28 | 4♥ | ♣5 | +1 | +1 |
| +3.4 | Round 6 | HEL | 29 | 5♦ | ♥2 | -1 | +12 |
| +3.3 | Round 6 | HEL | 25 | 2♥ | ♦A | +1 | +6 |
| +3.1 | Round 4 | ANZAC | 1 | 1NT | ♠2 | +2 | +10 |
| +3.1 | Round 8 | SYDNEY | 13 | 2♠ | ♦K | -1 | +5 |
| +3.0 | Round 4 | ANZAC | 2 | 2♠ | ♦K | = | +6 |
| +2.4 | Round 8 | SYDNEY | 18 | 2♦ | ♦10 | +3 | +10 |
| +2.3 | Round 14 | HONG KONG GEN X | 20 | 2♠ | ♥A | -1 | +0 |
| +2.1 | Round 12 | INA LADIES DJARUM LA | 24 | 4♠ | ♥Q | -1 | -2 |
| +1.9 | Round 9 | FLEISHER | 21 | 1♠ | ♥5 | +1 | -1 |
| +1.8 | Round 11 | HRG NETHERLANDS | 16 | 4♥ | ♠6 | = | +0 |
| +1.6 | Round 4 | ANZAC | 3 | 2♥ | ♠K | = | +0 |
| +1.4 | Round 3 | JAWA TIMUR YR | 22 | 2NT | ♠3 | -3 | -8 |
| +1.3 | Round 14 | HONG KONG GEN X | 19 | 5♣ | ♦A | +1 | -5 |
| +1.1 | Round 4 | ANZAC | 9 | 6♠ | ♥4 | +1 | +11 |
| +1.1 | Round 11 | HRG NETHERLANDS | 11 | 3NT | ♥5 | +1 | -10 |
| +0.9 | Round 6 | HEL | 23 | 1NT | ♦3 | -1 | +1 |
| +0.8 | Round 3 | JAWA TIMUR YR | 28 | 4♥ | ♠3 | -2 | +7 |
| +0.8 | Round 9 | FLEISHER | 22 | 2♠ | ♦3 | +1 | +0 |
| +0.5 | Round 11 | HRG NETHERLANDS | 18 | 4♠ | ♣K | -3 | +10 |
| +0.4 | Round 14 | HONG KONG GEN X | 17 | 1NT | ♦8 | -3 | +1 |
| +0.2 | Round 8 | SYDNEY | 15 | 3♣ | ♦A | +1 | -7 |
| +0.1 | Round 14 | HONG KONG GEN X | 14 | 4♠ | ♣Q | +2 | +8 |
| -0.2 | Round 4 | ANZAC | 8 | 4♠ | ♥K | -2 | +0 |
| -0.5 | Round 8 | SYDNEY | 11 | 3NT | ♠4 | +1 | +10 |
| -0.6 | Round 12 | INA LADIES DJARUM LA | 25 | 4♥ | ♠A | = | +0 |
| -0.7 | Round 14 | HONG KONG GEN X | 13 | 3NT | ♥J | +1 | -1 |
| -0.8 | Round 14 | HONG KONG GEN X | 11 | 7♣x | ♠A | -4 | +12 |
| -1.1 | Round 3 | JAWA TIMUR YR | 26 | 4♥ | ♦Q | = | +0 |
| -1.1 | Round 11 | HRG NETHERLANDS | 12 | 4♥ | ♦Q | = | +1 |
| -1.3 | Round 3 | JAWA TIMUR YR | 27 | 1NT | ♣3 | +1 | +0 |
| -1.3 | Round 4 | ANZAC | 7 | 3NT | ♠10 | +2 | -1 |
| -1.3 | Round 8 | SYDNEY | 20 | 1♥ | ♣K | +1 | -1 |
| -1.3 | Round 9 | FLEISHER | 30 | 2♠ | ♣6 | -3 | -6 |
| -1.5 | Round 3 | JAWA TIMUR YR | 25 | 2♠ | ♥A | +1 | -6 |
| -1.5 | Round 11 | HRG NETHERLANDS | 14 | 1NT | ♦A | +1 | +0 |
| -1.5 | Round 12 | INA LADIES DJARUM LA | 23 | 2♣x | ♦Q | -2 | -13 |
| -1.5 | Round 12 | INA LADIES DJARUM LA | 27 | 7NT | ♦6 | = | +0 |
| -1.6 | Round 8 | SYDNEY | 14 | 3♣ | ♣8 | +1 | +0 |
| -1.6 | Round 9 | FLEISHER | 25 | 2♥ | ♦A | = | -5 |
| -1.6 | Round 12 | INA LADIES DJARUM LA | 22 | 3♦ | ♥5 | +1 | +0 |
| -1.9 | Round 6 | HEL | 30 | 2♠ | ♥10 | +1 | +0 |
| -2.4 | Round 4 | ANZAC | 10 | 5♣ | ♠2 | = | -9 |
| -2.4 | Round 8 | SYDNEY | 12 | 5♦ | ♠6 | = | +1 |
| -2.4 | Round 9 | FLEISHER | 24 | 4♠ | ♥K | = | +0 |
| -3.0 | Round 11 | HRG NETHERLANDS | 15 | 1NT | ♦2 | = | +0 |
| -3.2 | Round 9 | FLEISHER | 26 | 3♠ | ♣9 | +1 | -10 |
| -3.5 | Round 11 | HRG NETHERLANDS | 20 | 5♣ | ♥4 | = | -3 |
| -4.1 | Round 3 | JAWA TIMUR YR | 29 | 4♠ | ♣J | +2 | -13 |
| -4.1 | Round 6 | HEL | 22 | 4♣ | ♦A | = | -6 |
| -4.2 | Round 11 | HRG NETHERLANDS | 13 | 3NT | ♠2 | +1 | +0 |
| -4.5 | Round 8 | SYDNEY | 17 | 3NT | ♠K | +2 | +14 |
| -5.0 | Round 14 | HONG KONG GEN X | 15 | 4♠ | ♠5 | = | -1 |
| -5.1 | Round 11 | HRG NETHERLANDS | 17 | 3NT | ♣2 | -1 | -10 |
| -5.2 | Round 4 | ANZAC | 4 | 4♥ | ♦2 | -1 | -12 |
| -5.2 | Round 14 | HONG KONG GEN X | 12 | 4♦x | ♠7 | -3 | +3 |
| -5.3 | Round 9 | FLEISHER | 23 | 4♥ | ♠8 | -1 | -12 |
| -5.3 | Round 12 | INA LADIES DJARUM LA | 30 | 4♠ | ♣10 | +2 | -11 |
| -5.7 | Round 3 | JAWA TIMUR YR | 24 | 3♠ | ♥5 | +1 | -6 |
| -5.9 | Round 12 | INA LADIES DJARUM LA | 21 | 3NTxx | ♥Q | -1 | -8 |
| -6.0 | Round 4 | ANZAC | 5 | 4♠ | ♠Q | -1 | -5 |
| -6.3 | Round 14 | HONG KONG GEN X | 18 | 5♥ | ♣7 | +1 | -1 |
| -6.8 | Round 6 | HEL | 26 | 6♠ | ♠7 | = | +0 |
| -7.8 | Round 12 | INA LADIES DJARUM LA | 29 | 6♦ | ♦9 | = | +0 |
| -8.0 | Round 9 | FLEISHER | 29 | 3NT | ♣8 | +4 | -11 |
| -8.1 | Round 9 | FLEISHER | 27 | 6♥ | ♣Q | = | +0 |
| -10.4 | Round 11 | HRG NETHERLANDS | 19 | 7♠ | ♥4 | = | +0 |