MARTENS Krzysztof · POLAND
19rank
+19.0Butler · 98 bds
+0.19per board
±4.7swing
+0.36vs par /bd · #5/20
-0.03adjusted /bd
by round
vs par split: bidding +0.11 · play +0.24
Strength of schedule: opponents averaged -0.23/bd (an easy draw) → opponent-adjusted -0.03/bd
Card play — on target: opening leads 70.4% #19 of 20 · declarer play 72.7% #14 of 20 · defence 81.1% #17 of 20
Bidding activity — not a pass: 39.1% #19 of 20 (113/289)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (9) | 72.2% (18) |
| Declarer play | 40.0% (5) | 82.4% (17) |
| Defence | 88.2% (17) | 77.8% (36) |
Opening leads by suit led: ♠ 100.0% (8) · ♥ 50.0% (8) · ♦ 50.0% (4) · ♣ 71.4% (7)
vs par by strain: NT +0.96 (26) · a suit +0.14 (72)
vs par by level: part-score +0.07 (31) · game +0.82 (62) · slam -3.60 (5)
By role: declaring -0.28/bd (-2.51 vs par · 45) · defending +0.60/bd (+2.79 vs par · 53)
By vulnerability: vulnerable +0.90/bd (+0.78 vs par · 49) · not vulnerable -0.52/bd (-0.06 vs par · 49)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | M.Witek | R.Dalal – P.Sridharan | Open | 14 | +7.4 | +0.53 | -0.79 |
| Quarterfinal | M.Witek | P.Sridharan – R.Dalal | Closed | 14 | +9.4 | +0.67 | -0.71 |
| Quarterfinal | M.Witek | G.Venkatesh – A.Padhye | Closed | 14 | +39.0 | +2.79 | +5.57 |
| Semifinal | M.Witek | Z.Mahmood – B.Bramley | Open | 14 | -20.3 | -1.45 | -0.79 |
| Semifinal | M.Witek | H.Lall – R.Milner | Closed | 14 | -20.5 | -1.46 | -0.50 |
| Semifinal | M.Witek | Z.Mahmood – B.Bramley | Open | 14 | +5.2 | +0.37 | +1.14 |
| Semifinal | M.Witek | Z.Mahmood – B.Bramley | Open | 14 | -1.2 | -0.09 | -1.43 |
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 |
|---|---|---|---|---|---|---|---|
| +13.0 | Semifinal | MILNER | 30 | 4♥ | ♠K | = | +8 |
| +10.0 | Semifinal | MILNER | 8 | 6♦x | ♣5 | -2 | +12 |
| +9.0 | Quarterfinal | TEXAN ACES | 2 | 5♠x | ♣A | -3 | +0 |
| +8.7 | Semifinal | MILNER | 54 | 5♥ | ♦Q | = | +13 |
| +8.3 | Semifinal | MILNER | 37 | 3NT | ♣6 | -4 | +11 |
| +8.0 | Quarterfinal | TEXAN ACES | 35 | 3NT | ♠7 | -2 | +9 |
| +7.7 | Semifinal | MILNER | 48 | 2♠ | ♠8 | -3 | +9 |
| +7.4 | Quarterfinal | TEXAN ACES | 42 | 4♥ | ♦6 | -1 | +14 |
| +7.0 | Semifinal | MILNER | 43 | 4♠x | ♣Q | -3 | +0 |
| +5.7 | Semifinal | MILNER | 27 | 3NT | ♦4 | -2 | +6 |
| +5.4 | Quarterfinal | TEXAN ACES | 37 | 2♠ | ♥K | = | +0 |
| +5.3 | Quarterfinal | TEXAN ACES | 26 | 3♦ | ♠9 | -4 | +10 |
| +5.0 | Quarterfinal | TEXAN ACES | 8 | 4♥ | ♠3 | = | +3 |
| +4.7 | Quarterfinal | TEXAN ACES | 5 | 2♠ | ♦A | +2 | -10 |
| +4.7 | Quarterfinal | TEXAN ACES | 16 | 3NT | ♠2 | -2 | +6 |
| +4.7 | Quarterfinal | TEXAN ACES | 34 | 4♠ | ♦7 | +2 | +11 |
| +4.7 | Semifinal | MILNER | 22 | 3NT | ♣2 | -3 | +11 |
| +4.4 | Quarterfinal | TEXAN ACES | 21 | 2♠ | ♣5 | +2 | +1 |
| +4.4 | Quarterfinal | TEXAN ACES | 23 | 1NT | ♣J | -3 | -7 |
| +4.3 | Quarterfinal | TEXAN ACES | 33 | 6NT | ♥6 | = | -10 |
| +4.3 | Semifinal | MILNER | 52 | 1NT | ♥Q | +2 | +6 |
| +3.7 | Quarterfinal | TEXAN ACES | 15 | 4♥ | ♣K | = | +0 |
| +3.7 | Semifinal | MILNER | 3 | 4♥ | ♦3 | +2 | +1 |
| +3.7 | Semifinal | MILNER | 4 | 4♥ | ♠A | -1 | +6 |
| +3.4 | Quarterfinal | TEXAN ACES | 28 | 4♥ | ♦T | = | +7 |
| +3.3 | Quarterfinal | TEXAN ACES | 9 | 4♠ | ♣A | -1 | +5 |
| +3.3 | Semifinal | MILNER | 19 | 4♦ | ♦3 | -3 | +6 |
| +3.1 | Quarterfinal | TEXAN ACES | 30 | 4♠ | ♣9 | = | +13 |
| +2.7 | Quarterfinal | TEXAN ACES | 29 | 3NT | ♠6 | +3 | +11 |
| +2.4 | Quarterfinal | TEXAN ACES | 38 | 4♥ | ♦A | = | -1 |
| +2.3 | Semifinal | MILNER | 5 | 4♥ | ♦Q | -1 | -2 |
| +1.7 | Quarterfinal | TEXAN ACES | 41 | 3NT | ♠3 | +1 | +0 |
| +1.7 | Semifinal | MILNER | 28 | 3♥ | ♣3 | -1 | -5 |
| +1.4 | Quarterfinal | TEXAN ACES | 14 | 3♠ | ♣K | = | +0 |
| +1.3 | Semifinal | MILNER | 11 | 3NT | ♦4 | +2 | +0 |
| +1.3 | Semifinal | MILNER | 18 | 3♥ | ♦3 | +1 | +1 |
| +1.0 | Quarterfinal | TEXAN ACES | 31 | 5♠ | ♥2 | +1 | +11 |
| +1.0 | Semifinal | MILNER | 26 | 3NT | ♥J | +1 | +0 |
| +1.0 | Semifinal | MILNER | 31 | 3NT | ♥J | -2 | +8 |
| +1.0 | Semifinal | MILNER | 35 | 3NT | ♥6 | = | +10 |
| +1.0 | Semifinal | MILNER | 51 | 1NT | ♥4 | = | +1 |
| +0.7 | Semifinal | MILNER | 20 | 3NT | ♠6 | = | +1 |
| +0.6 | Quarterfinal | TEXAN ACES | 3 | 4♥ | ♥J | +1 | +0 |
| +0.4 | Quarterfinal | TEXAN ACES | 24 | 4♥ | ♣A | -2 | +0 |
| +0.4 | Quarterfinal | TEXAN ACES | 40 | 4♠ | ♣6 | -1 | +12 |
| +0.3 | Semifinal | MILNER | 39 | 3♠ | ♠4 | = | +0 |
| +0.1 | Quarterfinal | TEXAN ACES | 11 | 4♠ | ♥A | = | +0 |
| +0.1 | Quarterfinal | TEXAN ACES | 27 | 4♥ | ♥6 | = | +0 |
| +0.0 | Semifinal | MILNER | 2 | 5♣ | ♦A | = | +3 |
| +0.0 | Semifinal | MILNER | 12 | 3NT | ♥2 | +1 | +0 |
| +0.0 | Semifinal | MILNER | 40 | 2♠ | ♦4 | = | +0 |
| +0.0 | Semifinal | MILNER | 41 | 4♥ | ♣5 | +1 | -12 |
| -0.1 | Quarterfinal | TEXAN ACES | 32 | 4♠ | ♦K | +1 | +0 |
| -0.3 | Quarterfinal | TEXAN ACES | 13 | 4♥ | ♠6 | +1 | +0 |
| -0.3 | Semifinal | MILNER | 1 | 3NT | ♣K | = | -1 |
| -0.3 | Semifinal | MILNER | 42 | 2♣ | ♦A | +1 | -7 |
| -0.3 | Semifinal | MILNER | 50 | 2♦ | ♥8 | -1 | +3 |
| -0.3 | Semifinal | MILNER | 56 | 3♣ | ♥5 | = | +0 |
| -0.6 | Quarterfinal | TEXAN ACES | 36 | 1NT | ♥2 | -1 | +2 |
| -0.7 | Quarterfinal | TEXAN ACES | 4 | 4♥ | ♦4 | -1 | +9 |
| -0.7 | Semifinal | MILNER | 29 | 5♣ | ♦K | -1 | +5 |
| -1.0 | Quarterfinal | TEXAN ACES | 6 | 2♦ | ♥2 | +3 | +0 |
| -1.0 | Semifinal | MILNER | 23 | 3♠ | ♥A | +1 | -1 |
| -1.0 | Semifinal | MILNER | 32 | 1NT | ♣4 | = | -5 |
| -1.1 | Quarterfinal | TEXAN ACES | 20 | 4♥ | ♦A | -1 | +1 |
| -1.3 | Semifinal | MILNER | 46 | 2♠ | ♦J | = | -5 |
| -1.4 | Quarterfinal | TEXAN ACES | 39 | 3♠ | ♥Q | +1 | +6 |
| -1.7 | Quarterfinal | TEXAN ACES | 12 | 3♣ | ♠K | = | +1 |
| -1.7 | Quarterfinal | TEXAN ACES | 17 | 3♣ | ♠T | -1 | -4 |
| -1.7 | Semifinal | MILNER | 33 | 2♥ | ♣8 | -1 | +0 |
| -1.7 | Semifinal | MILNER | 36 | 2NT | ♥3 | +1 | -1 |
| -1.9 | Quarterfinal | TEXAN ACES | 7 | 4♥ | ♣4 | +3 | +3 |
| -2.1 | Quarterfinal | TEXAN ACES | 25 | 4♠ | ♠T | +1 | -6 |
| -2.3 | Semifinal | MILNER | 7 | 3♠ | ♦A | -2 | -8 |
| -2.3 | Semifinal | MILNER | 24 | 5♦ | ♦3 | -1 | +4 |
| -2.9 | Quarterfinal | TEXAN ACES | 22 | 2♠ | ♥8 | = | +0 |
| -3.1 | Quarterfinal | TEXAN ACES | 18 | 4♥ | ♦5 | +2 | -11 |
| -3.3 | Semifinal | MILNER | 16 | 4♥ | ♣2 | = | +0 |
| -3.3 | Semifinal | MILNER | 45 | 3NT | ♥Q | -1 | -10 |
| -3.7 | Semifinal | MILNER | 55 | 4♠ | ♣2 | +2 | -11 |
| -4.0 | Semifinal | MILNER | 25 | 4♠ | ♠4 | +1 | -1 |
| -4.0 | Semifinal | MILNER | 44 | 5♦x | ♠K | -2 | -5 |
| -4.0 | Semifinal | MILNER | 49 | 3NT | ♣J | +1 | -12 |
| -4.3 | Semifinal | MILNER | 13 | 4♥ | ♠A | +1 | +0 |
| -4.3 | Semifinal | MILNER | 53 | 2♦ | ♣6 | +4 | -1 |
| -5.4 | Quarterfinal | TEXAN ACES | 10 | 6♥x | ♠K | -1 | -12 |
| -5.7 | Quarterfinal | TEXAN ACES | 1 | 5♣x | ♦T | -2 | -10 |
| -5.7 | Semifinal | MILNER | 6 | 6NT | ♥J | = | +0 |
| -6.1 | Quarterfinal | TEXAN ACES | 19 | 4♠x | ♥K | -1 | -7 |
| -6.3 | Semifinal | MILNER | 38 | 3♥ | ♣A | +1 | +10 |
| -6.7 | Semifinal | MILNER | 14 | 4♥ | ♣2 | -1 | -10 |
| -6.7 | Semifinal | MILNER | 34 | 3NT | ♠T | -1 | -11 |
| -8.7 | Semifinal | MILNER | 47 | 6♠ | ♦9 | = | -8 |
| -9.0 | Semifinal | MILNER | 15 | 4♠ | ♣A | -1 | -8 |
| -9.0 | Semifinal | MILNER | 21 | 4♠ | ♥T | -1 | -10 |
| -9.3 | Semifinal | MILNER | 10 | 5♥x | ♥7 | = | -12 |
| -10.3 | Semifinal | MILNER | 17 | 4♠ | ♦9 | -1 | -11 |
| -12.7 | Semifinal | MILNER | 9 | 3NT | ♥J | +1 | +0 |