🇮🇳 CHATTERJEE Swarnashish · INDIA
92rank
-42.7Butler · 96 bds
-0.44per board
±4.4swing
-0.80vs par /bd · #110/111
-0.40adjusted /bd
by round
vs par split: bidding -0.60 · play -0.20
Strength of schedule: opponents averaged +0.04/bd (an average draw) → opponent-adjusted -0.40/bd
Card play — on target: opening leads 80.0% #61 of 111 · declarer play 66.7% #88 of 111 · defence 83.0% #65 of 111
Bidding activity — not a pass: 38.1% #99 of 111 (109/286)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 81.0% (21) |
| Declarer play | 42.9% (7) | 76.5% (17) |
| Defence | 60.0% (10) | 89.2% (37) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 75.0% (8) · ♦ 100.0% (8) · ♣ 57.1% (7)
vs par by strain: NT -2.63 (27) · a suit -0.09 (69)
vs par by level: part-score -2.29 (38) · game +0.22 (49) · slam -0.11 (9)
By role: declaring -0.42/bd (-2.35 vs par · 49) · defending -0.47/bd (+0.81 vs par · 47)
By vulnerability: vulnerable -0.18/bd (-0.46 vs par · 48) · not vulnerable -0.71/bd (-1.15 vs par · 48)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | P.Dey | J.Clark – K.Panchagnula | Closed | 8 | +10.9 | +1.36 | +0.25 |
| Round 3 | P.Dey | S.Semberoiz – F.Guerra | Open | 8 | -2.6 | -0.33 | -1.25 |
| Round 4 | P.Dey | B.Bejenka – T.Kielbasa | Closed | 8 | -18.0 | -2.25 | -2.38 |
| Round 6 | P.Dey | R.Shaumi – D.Tarabunga | Closed | 8 | +12.0 | +1.50 | +0.75 |
| Round 7 | P.Dey | F.Nacrur – P.Cazabon | Open | 8 | -6.4 | -0.80 | -0.38 |
| Round 9 | P.Dey | D.Hsiao – Y.Chen | Open | 8 | -6.4 | -0.80 | +1.50 |
| Round 10 | P.Dey | M.Simic – S.Pepic | Open | 8 | -6.9 | -0.86 | +1.25 |
| Round 12 | P.Dey | A.Dhir – V.Zhu | Open | 8 | +7.2 | +0.90 | +0.25 |
| Round 13 | P.Dey | Y.Li – Q.Tan | Closed | 8 | +4.8 | +0.60 | -1.75 |
| Round 15 | P.Dey | A.Huang – J.Middleton | Closed | 8 | -9.6 | -1.20 | -4.00 |
| Round 16 | P.Dey | P.Beer – H.Xing | Open | 8 | -18.2 | -2.27 | -3.12 |
| Round 19 | P.Dey | G.Giubilo – R.Sau | Open | 8 | -9.5 | -1.19 | -0.75 |
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 |
|---|---|---|---|---|---|---|---|
| +11.3 | Round 2 | 🏴 ENGLAND | 9 | 5♠x | ♦5 | -1 | +11 |
| +8.5 | Round 10 | 🇷🇸 SERBIA | 10 | 6♦ | ♣A | = | +13 |
| +6.9 | Round 6 | 🇮🇩 INDONESIA | 9 | 5♥x | ♦K | -2 | +12 |
| +6.6 | Round 9 | 🇹🇼 CHINESE TAIPEI | 2 | 4♠ | ♣J | -4 | +7 |
| +6.5 | Round 6 | 🇮🇩 INDONESIA | 15 | 4♠ | ♥8 | -1 | +10 |
| +6.0 | Round 12 | 🇺🇸 USA2 | 28 | 4♠ | ♣A | -1 | +5 |
| +5.7 | Round 2 | 🏴 ENGLAND | 14 | 4♠ | ♣5 | +1 | +8 |
| +5.5 | Round 15 | 🏴 SCOTLAND | 20 | 5♣ | ♥K | = | +0 |
| +5.4 | Round 13 | 🇨🇳 CHINA | 7 | 6NT | ♦8 | = | +0 |
| +5.2 | Round 12 | 🇺🇸 USA2 | 27 | 4♠ | ♥Q | = | +0 |
| +5.1 | Round 19 | 🇮🇹 ITALY | 24 | 3NT | ♥Q | -2 | +6 |
| +4.2 | Round 3 | 🇦🇷 ARGENTINA | 17 | 4♥ | ♠K | -1 | +5 |
| +4.2 | Round 15 | 🏴 SCOTLAND | 17 | 3NT | ♥2 | = | +0 |
| +3.9 | Round 9 | 🇹🇼 CHINESE TAIPEI | 3 | 3NT | ♠Q | -4 | +8 |
| +3.2 | Round 19 | 🇮🇹 ITALY | 23 | 3NT | ♥Q | = | -13 |
| +3.0 | Round 19 | 🇮🇹 ITALY | 21 | 2♠ | ♠9 | = | +0 |
| +2.6 | Round 6 | 🇮🇩 INDONESIA | 13 | 4♥ | ♣5 | +2 | -1 |
| +2.2 | Round 7 | 🇨🇱 CHILE | 18 | 3NT | ♥Q | -1 | +4 |
| +2.1 | Round 7 | 🇨🇱 CHILE | 19 | 4♥ | ♣5 | = | +0 |
| +1.9 | Round 2 | 🏴 ENGLAND | 16 | 1NT | ♥Q | = | -1 |
| +1.9 | Round 3 | 🇦🇷 ARGENTINA | 23 | 4♥ | ♣Q | +1 | +0 |
| +1.9 | Round 10 | 🇷🇸 SERBIA | 15 | 3♣ | ♥T | -2 | +0 |
| +1.7 | Round 13 | 🇨🇳 CHINA | 2 | 3♦ | ♠J | -1 | -2 |
| +1.6 | Round 6 | 🇮🇩 INDONESIA | 14 | 6♦ | ♠3 | +1 | -2 |
| +1.6 | Round 16 | 🇺🇸 USA1 | 29 | 2♥ | ♣6 | = | -1 |
| +1.6 | Round 16 | 🇺🇸 USA1 | 30 | 4♠ | ♥6 | = | -1 |
| +1.5 | Round 7 | 🇨🇱 CHILE | 20 | 1♠ | ♦6 | = | +2 |
| +1.5 | Round 7 | 🇨🇱 CHILE | 21 | 3NT | ♥5 | = | +11 |
| +1.5 | Round 15 | 🏴 SCOTLAND | 24 | 3NT | ♣Q | +1 | +0 |
| +1.4 | Round 2 | 🏴 ENGLAND | 10 | 2♥ | ♦K | -1 | +0 |
| +1.3 | Round 4 | 🇵🇱 POLAND | 32 | 6NT | ♦4 | = | -11 |
| +1.3 | Round 9 | 🇹🇼 CHINESE TAIPEI | 1 | 4♠ | ♥4 | -1 | +10 |
| +1.3 | Round 13 | 🇨🇳 CHINA | 3 | 2♠ | ♥K | +1 | +6 |
| +1.2 | Round 10 | 🇷🇸 SERBIA | 9 | 6♠ | ♣A | = | +0 |
| +1.1 | Round 7 | 🇨🇱 CHILE | 23 | 3♠ | ♥2 | -1 | -6 |
| +1.0 | Round 10 | 🇷🇸 SERBIA | 11 | 3NT | ♦2 | +1 | -1 |
| +0.7 | Round 16 | 🇺🇸 USA1 | 25 | 4♦ | ♠J | = | +0 |
| +0.6 | Round 6 | 🇮🇩 INDONESIA | 16 | 3♥ | ♠Q | -1 | +2 |
| +0.5 | Round 3 | 🇦🇷 ARGENTINA | 22 | 3NT | ♦8 | = | +0 |
| +0.4 | Round 12 | 🇺🇸 USA2 | 31 | 5♠ | ♣A | +1 | +11 |
| +0.3 | Round 2 | 🏴 ENGLAND | 13 | 3♥ | ♣A | -1 | -1 |
| +0.3 | Round 12 | 🇺🇸 USA2 | 25 | 2♠ | ♥A | +1 | -7 |
| +0.2 | Round 3 | 🇦🇷 ARGENTINA | 21 | 1NT | ♦7 | +1 | +0 |
| +0.2 | Round 13 | 🇨🇳 CHINA | 4 | 1NT | ♣A | +1 | +0 |
| +0.1 | Round 3 | 🇦🇷 ARGENTINA | 20 | 3NT | ♦5 | +1 | +1 |
| +0.1 | Round 4 | 🇵🇱 POLAND | 29 | 3NT | ♥6 | = | -2 |
| +0.1 | Round 12 | 🇺🇸 USA2 | 32 | 4♥ | ♣A | +1 | +0 |
| +0.1 | Round 15 | 🏴 SCOTLAND | 19 | 4♠ | ♥K | = | -1 |
| -0.1 | Round 6 | 🇮🇩 INDONESIA | 12 | 1NT | ♥5 | +1 | -5 |
| -0.1 | Round 19 | 🇮🇹 ITALY | 20 | 4♠ | ♣T | = | +1 |
| -0.2 | Round 9 | 🇹🇼 CHINESE TAIPEI | 4 | 4♥ | ♠9 | -1 | +6 |
| -0.3 | Round 19 | 🇮🇹 ITALY | 17 | 4♠ | ♦Q | +1 | +0 |
| -0.4 | Round 13 | 🇨🇳 CHINA | 1 | 3NT | ♠7 | = | -11 |
| -0.5 | Round 3 | 🇦🇷 ARGENTINA | 24 | 3NT | ♥Q | -1 | -5 |
| -0.5 | Round 6 | 🇮🇩 INDONESIA | 11 | 2♥ | ♦2 | = | +0 |
| -0.6 | Round 3 | 🇦🇷 ARGENTINA | 19 | 2♠ | ♦J | = | +0 |
| -0.6 | Round 10 | 🇷🇸 SERBIA | 16 | 4♠ | ♥3 | -3 | -6 |
| -0.6 | Round 15 | 🏴 SCOTLAND | 21 | 4♥ | ♦K | = | +0 |
| -0.7 | Round 12 | 🇺🇸 USA2 | 29 | 2♠ | ♣A | = | +0 |
| -0.8 | Round 13 | 🇨🇳 CHINA | 8 | 3NT | ♥2 | +2 | +0 |
| -0.9 | Round 13 | 🇨🇳 CHINA | 5 | 4♣ | ♥5 | -1 | -2 |
| -0.9 | Round 16 | 🇺🇸 USA1 | 28 | 4♠ | ♣Q | = | -6 |
| -1.1 | Round 4 | 🇵🇱 POLAND | 27 | 3♥ | ♠A | +1 | +6 |
| -1.1 | Round 19 | 🇮🇹 ITALY | 22 | 2♥ | ♣T | +1 | +0 |
| -1.2 | Round 12 | 🇺🇸 USA2 | 26 | 4♠ | ♣K | = | +0 |
| -1.5 | Round 4 | 🇵🇱 POLAND | 25 | 2♠ | ♥T | +2 | -6 |
| -1.5 | Round 16 | 🇺🇸 USA1 | 32 | 2♠ | ♦5 | = | +1 |
| -1.6 | Round 2 | 🏴 ENGLAND | 15 | 4♠ | ♥7 | -1 | -10 |
| -1.7 | Round 2 | 🏴 ENGLAND | 12 | 4♥ | ♠A | -1 | -5 |
| -1.7 | Round 7 | 🇨🇱 CHILE | 24 | 2♥ | ♥4 | -3 | -1 |
| -1.7 | Round 9 | 🇹🇼 CHINESE TAIPEI | 6 | 1♥ | ♦A | +1 | -6 |
| -1.7 | Round 13 | 🇨🇳 CHINA | 6 | 5♦x | ♣Q | -1 | -5 |
| -1.8 | Round 16 | 🇺🇸 USA1 | 26 | 2♥ | ♥5 | = | +0 |
| -2.3 | Round 9 | 🇹🇼 CHINESE TAIPEI | 5 | 2♦ | ♥7 | = | -5 |
| -2.9 | Round 12 | 🇺🇸 USA2 | 30 | 2NT | ♦J | = | -7 |
| -3.2 | Round 4 | 🇵🇱 POLAND | 31 | 2♥ | ♣5 | +1 | -1 |
| -3.2 | Round 10 | 🇷🇸 SERBIA | 14 | 2♥ | ♦K | +1 | +0 |
| -3.8 | Round 9 | 🇹🇼 CHINESE TAIPEI | 7 | 3♠ | ♦A | -1 | +0 |
| -3.8 | Round 16 | 🇺🇸 USA1 | 27 | 3♥ | ♦J | +2 | -6 |
| -3.9 | Round 4 | 🇵🇱 POLAND | 26 | 2♠ | ♠3 | -1 | -11 |
| -4.0 | Round 15 | 🏴 SCOTLAND | 18 | 1NT | ♠T | = | -6 |
| -4.0 | Round 15 | 🏴 SCOTLAND | 23 | 2♠ | ♦6 | = | -12 |
| -4.4 | Round 4 | 🇵🇱 POLAND | 28 | 6♣ | ♦J | +1 | +11 |
| -4.6 | Round 7 | 🇨🇱 CHILE | 17 | 4♥ | ♠A | -4 | -3 |
| -5.3 | Round 4 | 🇵🇱 POLAND | 30 | 3NT | ♣T | -2 | -5 |
| -5.6 | Round 6 | 🇮🇩 INDONESIA | 10 | 4♣ | ♥K | +1 | -10 |
| -6.4 | Round 2 | 🏴 ENGLAND | 11 | 3NT | ♦6 | = | +0 |
| -7.1 | Round 19 | 🇮🇹 ITALY | 18 | 3NT | ♠A | = | -11 |
| -7.5 | Round 10 | 🇷🇸 SERBIA | 12 | 4♠x | ♥A | = | -9 |
| -8.2 | Round 10 | 🇷🇸 SERBIA | 13 | 6♠ | ♥5 | +1 | +13 |
| -8.4 | Round 3 | 🇦🇷 ARGENTINA | 18 | 5♦ | ♣8 | = | -11 |
| -8.5 | Round 7 | 🇨🇱 CHILE | 22 | 3NT | ♣7 | -1 | -10 |
| -10.2 | Round 9 | 🇹🇼 CHINESE TAIPEI | 8 | 3♥x | ♦A | -3 | -8 |
| -12.2 | Round 19 | 🇮🇹 ITALY | 19 | 5♣x | ♠K | -4 | +11 |
| -12.3 | Round 15 | 🏴 SCOTLAND | 22 | 6NT | ♠2 | = | -13 |
| -14.1 | Round 16 | 🇺🇸 USA1 | 31 | 6♣x | ♥K | -3 | -12 |