DONKERSLOOT Rob · BOCA SENIORS
403rank
-38.2Butler · 100 bds
-0.38per board
±4.8swing
-0.43vs par /bd · #327/471
-0.30adjusted /bd
by round
vs par split: bidding -1.24 · play +0.81
Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted -0.30/bd
Card play — on target: opening leads 76.0% #287 of 469 · declarer play 84.0% #82 of 469 · defence 91.1% #52 of 471
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 80.0% (5) | 75.0% (20) |
| Declarer play | 80.0% (5) | 85.0% (20) |
| Defence | 100.0% (11) | 88.2% (34) |
Opening leads by suit led: ♠ 71.4% (7) · ♥ 0.0% (2) · ♦ 100.0% (7) · ♣ 77.8% (9)
vs par by strain: NT -1.64 (22) · a suit -0.09 (78)
vs par by level: part-score +1.29 (34) · game -0.93 (56) · slam -3.50 (10)
By role: declaring -0.30/bd (-2.42 vs par · 55) · defending -0.48/bd (+2.00 vs par · 45)
By vulnerability: vulnerable +0.09/bd (+1.40 vs par · 50) · not vulnerable -0.86/bd (-2.26 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | F.Lema | A.Sontag – D.Berkowitz | Open | 10 | -13.2 | -1.32 | -2.00 |
| Round 4 | F.Lema | J.Shivdasani – K.Anklesaria | Closed | 10 | -18.0 | -1.80 | -2.50 |
| Round 5 | F.Lema | A.Clark – M.Leybourne | Open | 10 | -16.8 | -1.68 | -3.30 |
| Round 7 | F.Lema | T.Berger – E.Berger | Closed | 10 | -10.7 | -1.07 | -1.40 |
| Round 8 | F.Lema | D.Munro – P.Birss | Open | 10 | +3.7 | +0.37 | -4.00 |
| Round 9 | F.Lema | T.Demarco – HUGHES S | Open | 10 | +4.5 | +0.45 | +4.00 |
| Round 10 | F.Lema | N.Chitlangia – H.Bangur | Open | 10 | -12.0 | -1.20 | -0.30 |
| Round 12 | F.Lema | S.Tjandrawati – J.Mewengkang | Open | 10 | +8.9 | +0.89 | +3.40 |
| Round 13 | F.Lema | N.Azkanov – R.Pinnata | Open | 10 | -14.2 | -1.42 | -3.00 |
| Round 15 | F.Lema | T.Nongky – R.Nurmansyah | Open | 10 | +29.6 | +2.96 | +4.80 |
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 |
|---|---|---|---|---|---|---|---|
| +13.6 | Round 15 | DOLPHIN TNI-AL | 22 | 5♣x | ♠2 | -4 | +15 |
| +10.8 | Round 12 | BADUNG BRIDGE CLUB | 21 | 5♣x | ♥K | -3 | +12 |
| +10.5 | Round 15 | DOLPHIN TNI-AL | 24 | 4♠ | ♦K | -1 | +11 |
| +8.4 | Round 8 | PERTH AUSTRALIA | 18 | 3NT | ♦10 | +2 | +1 |
| +8.2 | Round 5 | CLARK | 19 | 2♥ | ♠2 | -1 | +10 |
| +7.5 | Round 9 | HUGHES | 29 | 3NT | ♠10 | +3 | +11 |
| +7.3 | Round 7 | BERGER | 2 | 5♥ | ♦8 | -1 | +11 |
| +7.1 | Round 4 | TEXAN ACES | 8 | 4♥ | ♦Q | = | +8 |
| +6.9 | Round 3 | GORDON | 23 | 4♥ | ♦4 | = | +3 |
| +5.6 | Round 12 | BADUNG BRIDGE CLUB | 26 | 5♦ | ♠A | = | +9 |
| +5.1 | Round 15 | DOLPHIN TNI-AL | 21 | 3♥ | ♣J | = | +7 |
| +4.9 | Round 13 | EPJ JUNIOR | 4 | 3NT | ♠K | -1 | +12 |
| +4.8 | Round 3 | GORDON | 22 | 2♣ | ♠A | = | +11 |
| +4.6 | Round 15 | DOLPHIN TNI-AL | 29 | 4♥ | ♠2 | -2 | +8 |
| +4.5 | Round 5 | CLARK | 15 | 3NT | ♣6 | -2 | +8 |
| +4.0 | Round 10 | SHREE CEMENT | 7 | 2♦ | ♦A | = | +6 |
| +3.9 | Round 13 | EPJ JUNIOR | 1 | 5♠ | ♣2 | = | +1 |
| +3.7 | Round 8 | PERTH AUSTRALIA | 17 | 3NT | ♣8 | +1 | -14 |
| +3.6 | Round 15 | DOLPHIN TNI-AL | 26 | 2♥ | ♦2 | = | +6 |
| +2.7 | Round 15 | DOLPHIN TNI-AL | 27 | 1NT | ♠3 | -2 | +5 |
| +2.6 | Round 7 | BERGER | 6 | 5♣x | ♥A | -3 | +4 |
| +2.6 | Round 10 | SHREE CEMENT | 10 | 4♥ | ♠A | -1 | +6 |
| +2.4 | Round 8 | PERTH AUSTRALIA | 12 | 5♦ | ♣J | = | -1 |
| +2.4 | Round 9 | HUGHES | 24 | 4♠ | ♥K | = | +0 |
| +2.4 | Round 9 | HUGHES | 26 | 4♥ | ♣6 | -2 | +9 |
| +2.4 | Round 10 | SHREE CEMENT | 2 | 3♥ | ♦K | -1 | -2 |
| +2.3 | Round 15 | DOLPHIN TNI-AL | 25 | 2♠ | ♣A | +1 | +1 |
| +2.2 | Round 4 | TEXAN ACES | 2 | 3♠ | ♥Q | -2 | -1 |
| +2.0 | Round 13 | EPJ JUNIOR | 2 | 3NT | ♠3 | +1 | +1 |
| +1.7 | Round 5 | CLARK | 20 | 2♦ | ♥7 | +3 | +1 |
| +1.6 | Round 8 | PERTH AUSTRALIA | 14 | 3♣ | ♠K | +1 | +0 |
| +1.6 | Round 9 | HUGHES | 25 | 2♥ | ♦A | = | +5 |
| +1.6 | Round 12 | BADUNG BRIDGE CLUB | 22 | 3♦ | ♥6 | +1 | +0 |
| +1.6 | Round 13 | EPJ JUNIOR | 3 | 2♥ | ♣2 | +1 | +6 |
| +1.5 | Round 3 | GORDON | 25 | 3♠ | ♥A | = | +6 |
| +1.5 | Round 12 | BADUNG BRIDGE CLUB | 27 | 7NT | ♥4 | = | +0 |
| +1.3 | Round 4 | TEXAN ACES | 7 | 3NT | ♠5 | +2 | +1 |
| +1.3 | Round 8 | PERTH AUSTRALIA | 20 | 1♥ | ♣K | +1 | +1 |
| +1.3 | Round 9 | HUGHES | 23 | 3♠ | ♣2 | -1 | +11 |
| +1.3 | Round 10 | SHREE CEMENT | 6 | 4♥ | ♠A | = | +0 |
| +1.1 | Round 3 | GORDON | 26 | 4♥ | ♦Q | = | +0 |
| +0.9 | Round 12 | BADUNG BRIDGE CLUB | 28 | 4♥ | ♦K | +2 | +11 |
| +0.7 | Round 7 | BERGER | 3 | 3♣ | ♣4 | +2 | -6 |
| +0.6 | Round 12 | BADUNG BRIDGE CLUB | 25 | 4♥ | ♠K | = | +0 |
| +0.5 | Round 3 | GORDON | 30 | 4♥ | ♠J | +1 | -11 |
| +0.5 | Round 8 | PERTH AUSTRALIA | 11 | 3NT | ♥6 | +1 | -10 |
| -0.0 | Round 4 | TEXAN ACES | 3 | 3♠ | ♥K | -1 | +2 |
| -0.0 | Round 4 | TEXAN ACES | 10 | 6♥x | ♦A | -2 | +7 |
| -0.1 | Round 13 | EPJ JUNIOR | 8 | 3NT | ♦5 | +2 | +0 |
| -0.2 | Round 5 | CLARK | 14 | 4♥ | ♦2 | +1 | +1 |
| -0.2 | Round 8 | PERTH AUSTRALIA | 15 | 4♣ | ♦A | = | +7 |
| -0.3 | Round 7 | BERGER | 5 | 2♥ | ♣3 | +1 | +0 |
| -0.4 | Round 15 | DOLPHIN TNI-AL | 28 | 5♠ | ♦J | = | +13 |
| -0.8 | Round 9 | HUGHES | 22 | 2NT | ♣6 | +1 | +0 |
| -0.9 | Round 3 | GORDON | 24 | 4♠ | ♥4 | +1 | -1 |
| -0.9 | Round 7 | BERGER | 10 | 1NT | ♥10 | +1 | +1 |
| -1.2 | Round 7 | BERGER | 9 | 2♥ | ♦Q | +1 | +0 |
| -1.2 | Round 10 | SHREE CEMENT | 9 | 2♦ | ♠6 | +2 | +0 |
| -1.4 | Round 10 | SHREE CEMENT | 3 | 3NT | ♦J | -2 | +2 |
| -1.5 | Round 9 | HUGHES | 30 | 3♠ | ♣6 | -5 | +4 |
| -1.6 | Round 12 | BADUNG BRIDGE CLUB | 23 | 3NT | ♣K | +1 | +12 |
| -1.8 | Round 10 | SHREE CEMENT | 5 | 3NT | ♣3 | = | +1 |
| -1.9 | Round 7 | BERGER | 7 | 4♥ | ♣6 | = | +0 |
| -2.0 | Round 10 | SHREE CEMENT | 8 | 2♥ | ♥A | +1 | -1 |
| -2.0 | Round 13 | EPJ JUNIOR | 5 | 4♠ | ♣6 | -1 | -10 |
| -2.1 | Round 12 | BADUNG BRIDGE CLUB | 24 | 4♠ | ♦6 | -1 | +2 |
| -2.2 | Round 4 | TEXAN ACES | 1 | 3♣ | ♦A | = | -9 |
| -2.6 | Round 5 | CLARK | 18 | 3NT | ♦4 | -2 | -11 |
| -2.6 | Round 9 | HUGHES | 28 | 6♥ | ♠6 | = | +11 |
| -2.7 | Round 9 | HUGHES | 21 | 3♦ | ♣A | +1 | +0 |
| -2.9 | Round 8 | PERTH AUSTRALIA | 16 | 5♦ | ♣J | = | -7 |
| -2.9 | Round 13 | EPJ JUNIOR | 9 | 4♠ | ♦6 | +1 | +0 |
| -3.1 | Round 8 | PERTH AUSTRALIA | 13 | 4♠ | ♥7 | -1 | -5 |
| -3.1 | Round 9 | HUGHES | 27 | 4♥ | ♦5 | +1 | -11 |
| -3.3 | Round 10 | SHREE CEMENT | 4 | 1♥ | ♣K | +1 | +0 |
| -3.3 | Round 12 | BADUNG BRIDGE CLUB | 29 | 3NT | ♠6 | +2 | -12 |
| -3.5 | Round 3 | GORDON | 27 | 2♦ | ♥8 | -1 | -5 |
| -3.5 | Round 5 | CLARK | 17 | 4♥ | ♣A | +2 | -11 |
| -4.0 | Round 5 | CLARK | 16 | 2♠ | ♥10 | -2 | -3 |
| -4.1 | Round 7 | BERGER | 1 | 6♦ | ♣A | -1 | -8 |
| -4.2 | Round 4 | TEXAN ACES | 6 | 2♠ | ♠7 | +4 | -12 |
| -4.4 | Round 7 | BERGER | 4 | 4♥ | ♣5 | -3 | -5 |
| -4.4 | Round 15 | DOLPHIN TNI-AL | 23 | 4♠ | ♣3 | -3 | -10 |
| -4.6 | Round 5 | CLARK | 12 | 1♠ | ♥6 | +3 | -7 |
| -4.6 | Round 13 | EPJ JUNIOR | 6 | 4♠ | ♦6 | +2 | -17 |
| -5.0 | Round 3 | GORDON | 28 | 3NT | ♥5 | = | -11 |
| -5.1 | Round 12 | BADUNG BRIDGE CLUB | 30 | 6♠ | ♣10 | = | +0 |
| -5.3 | Round 4 | TEXAN ACES | 5 | 4♠ | ♥5 | = | -7 |
| -6.6 | Round 4 | TEXAN ACES | 4 | 4♥ | ♠7 | = | +0 |
| -6.6 | Round 5 | CLARK | 11 | 6NT | ♥4 | -1 | -10 |
| -7.1 | Round 13 | EPJ JUNIOR | 10 | 3NT | ♦2 | +1 | -13 |
| -8.0 | Round 8 | PERTH AUSTRALIA | 19 | 6♥ | ♣A | -5 | -12 |
| -8.0 | Round 15 | DOLPHIN TNI-AL | 30 | 6♦ | ♣A | -2 | -8 |
| -8.5 | Round 7 | BERGER | 8 | 5♦ | ♦3 | -2 | -11 |
| -8.8 | Round 3 | GORDON | 29 | 6♠ | ♣J | = | +0 |
| -9.7 | Round 5 | CLARK | 13 | 4♠ | ♥4 | +1 | -11 |
| -9.8 | Round 3 | GORDON | 21 | 4♠x | ♣K | = | -12 |
| -9.9 | Round 13 | EPJ JUNIOR | 7 | 3NT | ♠2 | = | -10 |
| -10.3 | Round 4 | TEXAN ACES | 9 | 4♠ | ♦9 | +3 | -14 |
| -12.6 | Round 10 | SHREE CEMENT | 1 | 7♣x | ♦K | -2 | -15 |