CHOWDHURY Mohammad Asifur Rahman · BANGLADESH
560rank
-54.1Butler · 100 bds
-0.54per board
±5.1swing
-1.55vs par /bd · #557/567
-0.61adjusted /bd
by round
vs par split: bidding -0.88 · play -0.67
Strength of schedule: opponents averaged -0.07/bd (an easy draw) → opponent-adjusted -0.61/bd
Card play — on target: opening leads 71.4% #487 of 567 · declarer play 78.1% #253 of 567 · defence 67.6% #562 of 567
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 71.4% (7) | 71.4% (14) |
| Declarer play | 90.9% (11) | 71.4% (21) |
| Defence | 72.7% (11) | 65.2% (23) |
Opening leads by suit led: ♠ 57.1% (7) · ♥ 50.0% (4) · ♦ 100.0% (6) · ♣ 75.0% (4)
vs par by strain: NT -0.88 (32) · a suit -1.87 (68)
vs par by level: part-score +0.00 (43) · game -2.08 (53) · slam -11.25 (4)
By role: declaring -0.45/bd (-2.68 vs par · 66) · defending -0.71/bd (+0.65 vs par · 34)
By vulnerability: vulnerable +0.26/bd (-0.77 vs par · 52) · not vulnerable -1.40/bd (-2.40 vs par · 48)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | M.Islam | D.Yu – R.Li | Closed | 10 | +12.2 | +1.22 | +1.60 |
| Round 2 | M.Islam | T.Stabell – L.Stabell | Closed | 10 | -11.6 | -1.16 | -2.30 |
| Round 3 | M.Rahman | J.Liu – F.Shi | Closed | 10 | +0.0 | +0.00 | -1.20 |
| Round 4 | M.Rahman | I.Hwang – K.Sung | Closed | 10 | -14.3 | -1.43 | -1.80 |
| Round 5 | M.Rahman | J.Du – C.Sun | Closed | 10 | +0.8 | +0.08 | +0.80 |
| Round 6 | M.Rahman | V.Reess – L.Thuillez | Closed | 10 | -14.5 | -1.45 | -3.10 |
| Round 7 | M.Islam | D.Fan – Y.Ma | Closed | 10 | -17.1 | -1.71 | -3.80 |
| Round 8 | M.Rahman | W.Xie – Y.Su | Open | 10 | +1.3 | +0.13 | +0.10 |
| Round 9 | M.Rahman | Z.Ba – L.Tian | Open | 10 | +4.4 | +0.44 | -2.60 |
| Round 10 | M.Rahman | Z.Zeng – S.Chen | Open | 10 | -15.3 | -1.53 | -3.20 |
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 |
|---|---|---|---|---|---|---|---|
| +11.9 | Round 3 | GUIZHOU ZHENGYE | 26 | 6♥ | ♠K | = | +0 |
| +9.8 | Round 6 | PSG | 27 | 5♥ | ♣Q | = | +13 |
| +9.8 | Round 7 | WUHAN ENGINEERING | 10 | 4♥x | ♦4 | -2 | +9 |
| +7.7 | Round 9 | NEIMENGGU | 30 | 4♠ | ♦Q | = | +0 |
| +7.4 | Round 2 | NORWAY Seniors | 20 | 3NT | ♥4 | +1 | +4 |
| +6.8 | Round 9 | NEIMENGGU | 22 | 3NT | ♠7 | +1 | +7 |
| +6.3 | Round 1 | YUNNAN | 7 | 1NTx | ♥4 | +1 | +6 |
| +6.0 | Round 4 | GALAGILE | 7 | 4♠ | ♣K | -1 | +6 |
| +5.0 | Round 5 | WUHAN | 13 | 4♠ | ♣5 | = | +0 |
| +5.0 | Round 8 | BRIDGEFRIENDS | 12 | 5♣ | ♠5 | +1 | +11 |
| +4.8 | Round 7 | WUHAN ENGINEERING | 4 | 4♠x | ♦A | -1 | +7 |
| +4.4 | Round 5 | WUHAN | 17 | 4♠ | ♣3 | -1 | +5 |
| +4.4 | Round 8 | BRIDGEFRIENDS | 20 | 1NT | ♥2 | +1 | +0 |
| +4.2 | Round 1 | YUNNAN | 5 | 4♠ | ♣8 | = | +0 |
| +4.2 | Round 1 | YUNNAN | 9 | 3♥ | ♦A | = | +8 |
| +4.2 | Round 3 | GUIZHOU ZHENGYE | 28 | 3NT | ♦Q | +4 | +2 |
| +4.2 | Round 7 | WUHAN ENGINEERING | 9 | 3NT | ♠2 | = | -13 |
| +3.9 | Round 5 | WUHAN | 14 | 2♥ | ♦A | = | -1 |
| +3.8 | Round 1 | YUNNAN | 6 | 2♠ | ♦8 | = | +11 |
| +3.8 | Round 2 | NORWAY Seniors | 16 | 3NT | ♥4 | = | +7 |
| +3.6 | Round 1 | YUNNAN | 3 | 2NT | ♦4 | -1 | +5 |
| +3.6 | Round 10 | HUAXINHUANBAO | 1 | 3NT | ♣Q | -2 | +0 |
| +3.5 | Round 10 | HUAXINHUANBAO | 2 | 4♠ | ♥A | +1 | +4 |
| +3.3 | Round 10 | HUAXINHUANBAO | 5 | 3♦ | ♠K | -2 | +0 |
| +3.2 | Round 8 | BRIDGEFRIENDS | 18 | 4♠ | ♣K | +1 | +0 |
| +3.1 | Round 3 | GUIZHOU ZHENGYE | 27 | 3♥ | ♠4 | +1 | +4 |
| +3.1 | Round 10 | HUAXINHUANBAO | 7 | 3NT | ♣9 | = | +0 |
| +2.7 | Round 3 | GUIZHOU ZHENGYE | 21 | 4♥ | ♠K | = | -1 |
| +1.8 | Round 1 | YUNNAN | 10 | 2♠ | ♣A | -2 | +2 |
| +1.7 | Round 5 | WUHAN | 18 | 3NT | ♠6 | -1 | +6 |
| +1.6 | Round 3 | GUIZHOU ZHENGYE | 25 | 1NT | ♦A | +1 | +6 |
| +1.6 | Round 6 | PSG | 23 | 2♠ | ♣2 | +1 | +0 |
| +1.3 | Round 2 | NORWAY Seniors | 19 | 2NT | ♣A | = | +0 |
| +1.2 | Round 2 | NORWAY Seniors | 18 | 2♥ | ♦10 | -1 | +4 |
| +1.2 | Round 9 | NEIMENGGU | 28 | 3♥ | ♠8 | -1 | +4 |
| +1.1 | Round 10 | HUAXINHUANBAO | 9 | 1♠ | ♦3 | = | +5 |
| +1.0 | Round 8 | BRIDGEFRIENDS | 16 | 3NT | ♠K | -1 | +5 |
| +0.9 | Round 4 | GALAGILE | 6 | 2♥ | ♠7 | -1 | +0 |
| +0.9 | Round 6 | PSG | 24 | 3♦ | ♠A | = | +0 |
| +0.8 | Round 7 | WUHAN ENGINEERING | 5 | 3♣ | ♥7 | = | +0 |
| +0.7 | Round 9 | NEIMENGGU | 21 | 3♥ | ♦2 | +2 | +6 |
| +0.6 | Round 1 | YUNNAN | 1 | 3♠ | ♥7 | +1 | +6 |
| +0.6 | Round 4 | GALAGILE | 3 | 4♥ | ♦3 | +2 | +11 |
| +0.6 | Round 9 | NEIMENGGU | 29 | 1NT | ♠6 | -2 | -2 |
| +0.5 | Round 8 | BRIDGEFRIENDS | 15 | 3NT | ♠6 | +1 | +0 |
| +0.5 | Round 9 | NEIMENGGU | 26 | 3NT | ♥9 | +2 | -12 |
| +0.4 | Round 4 | GALAGILE | 5 | 4♠ | ♥K | +1 | +1 |
| +0.4 | Round 4 | GALAGILE | 9 | 2♥ | ♠K | -1 | -5 |
| +0.4 | Round 5 | WUHAN | 20 | 2♠ | ♣2 | +1 | +0 |
| +0.3 | Round 4 | GALAGILE | 1 | 4♥ | ♠K | +1 | +0 |
| +0.3 | Round 8 | BRIDGEFRIENDS | 13 | 3♦ | ♠A | +1 | +0 |
| +0.2 | Round 6 | PSG | 30 | 2♥ | ♦2 | +2 | -6 |
| +0.2 | Round 7 | WUHAN ENGINEERING | 1 | 3NT | ♦4 | -1 | -2 |
| +0.1 | Round 3 | GUIZHOU ZHENGYE | 22 | 3NT | ♣Q | -1 | +5 |
| +0.0 | Round 5 | WUHAN | 12 | 1NT | ♠J | -1 | +2 |
| +0.0 | Round 8 | BRIDGEFRIENDS | 14 | 3NT | ♠5 | +2 | +0 |
| -0.1 | Round 9 | NEIMENGGU | 24 | 2♦ | ♠2 | -1 | -4 |
| -0.3 | Round 3 | GUIZHOU ZHENGYE | 24 | 5♦ | ♥2 | = | -2 |
| -0.4 | Round 7 | WUHAN ENGINEERING | 7 | 2♦ | ♥7 | = | -1 |
| -0.5 | Round 10 | HUAXINHUANBAO | 3 | 4♣ | ♥2 | = | -7 |
| -0.6 | Round 2 | NORWAY Seniors | 13 | 1NT | ♦K | = | +1 |
| -0.7 | Round 9 | NEIMENGGU | 25 | 4♥ | ♠8 | +3 | -10 |
| -0.9 | Round 6 | PSG | 22 | 3♥ | ♦Q | = | +0 |
| -1.2 | Round 5 | WUHAN | 16 | 3♣ | ♥K | +2 | +6 |
| -1.2 | Round 7 | WUHAN ENGINEERING | 3 | 2NT | ♥10 | = | +0 |
| -1.6 | Round 4 | GALAGILE | 10 | 1NT | ♠5 | +1 | -1 |
| -1.6 | Round 6 | PSG | 28 | 3♠ | ♣4 | = | +0 |
| -1.7 | Round 4 | GALAGILE | 8 | 2♠ | ♣10 | -1 | -4 |
| -1.9 | Round 8 | BRIDGEFRIENDS | 17 | 4♥ | ♦2 | -1 | +2 |
| -2.3 | Round 10 | HUAXINHUANBAO | 10 | 2♠ | ♦4 | +1 | -1 |
| -2.4 | Round 5 | WUHAN | 15 | 3♥ | ♠A | -1 | +2 |
| -3.1 | Round 1 | YUNNAN | 8 | 4♠ | ♥4 | -1 | -10 |
| -3.3 | Round 2 | NORWAY Seniors | 15 | 4♥ | ♦8 | = | -6 |
| -3.3 | Round 6 | PSG | 25 | 3NT | ♠6 | -2 | -7 |
| -3.7 | Round 2 | NORWAY Seniors | 12 | 4♠ | ♥Q | -1 | -12 |
| -3.7 | Round 10 | HUAXINHUANBAO | 4 | 4♦ | ♠A | -1 | -6 |
| -3.9 | Round 6 | PSG | 21 | 3NTx | ♦10 | -2 | -9 |
| -4.1 | Round 3 | GUIZHOU ZHENGYE | 23 | 3NT | ♣2 | -2 | -7 |
| -4.5 | Round 1 | YUNNAN | 2 | 5♦ | ♠4 | -2 | -6 |
| -4.7 | Round 1 | YUNNAN | 4 | 4♥ | ♦9 | -1 | -6 |
| -4.7 | Round 2 | NORWAY Seniors | 14 | 3NT | ♥5 | -2 | +0 |
| -4.7 | Round 6 | PSG | 26 | 3NT | ♦J | -3 | -5 |
| -4.8 | Round 5 | WUHAN | 11 | 3NT | ♣3 | -1 | -5 |
| -5.2 | Round 8 | BRIDGEFRIENDS | 19 | 3NT | ♥K | -2 | -11 |
| -6.0 | Round 8 | BRIDGEFRIENDS | 11 | 2♠ | ♥A | +3 | -6 |
| -6.1 | Round 9 | NEIMENGGU | 23 | 4♥x | ♦A | -2 | -15 |
| -6.2 | Round 5 | WUHAN | 19 | 4♠ | ♥3 | = | -7 |
| -6.2 | Round 9 | NEIMENGGU | 27 | 4♠ | ♥A | = | +0 |
| -6.3 | Round 2 | NORWAY Seniors | 17 | 4♠ | ♥A | -3 | -11 |
| -6.7 | Round 2 | NORWAY Seniors | 11 | 5♦ | ♥9 | -1 | -10 |
| -7.8 | Round 4 | GALAGILE | 4 | 4♥ | ♦5 | -2 | -13 |
| -9.0 | Round 3 | GUIZHOU ZHENGYE | 29 | 3♥ | ♠A | +2 | -8 |
| -9.5 | Round 10 | HUAXINHUANBAO | 6 | 3NT | ♥5 | = | -10 |
| -10.2 | Round 3 | GUIZHOU ZHENGYE | 30 | 6♥ | ♠A | -1 | -11 |
| -11.2 | Round 7 | WUHAN ENGINEERING | 6 | 4♥x | ♦7 | -4 | -12 |
| -11.8 | Round 4 | GALAGILE | 2 | 5♣ | ♠A | +1 | -13 |
| -12.0 | Round 7 | WUHAN ENGINEERING | 2 | 3♣x | ♠Q | = | -11 |
| -12.1 | Round 7 | WUHAN ENGINEERING | 8 | 2♦x | ♦2 | -2 | -15 |
| -12.6 | Round 6 | PSG | 29 | 6♥ | ♦J | -1 | -17 |
| -13.9 | Round 10 | HUAXINHUANBAO | 8 | 7♦ | ♥8 | -1 | -17 |