CHUI Daniel Siu Wai · BANANA

286rank
-41.4Butler · 154 bds
-0.27per board
±4.8swing
-0.80vs par /bd · #345/382
-0.24adjusted /bd
Butler per round: 15.5 2.8 -5.5 -47.4 -20.3 -6.8 22.7 -23.3 -35.5 31.8 24.6by round

vs par split: bidding -0.54 · play -0.26

Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted -0.24/bd

Card play — on target: opening leads 74.4% #297 of 382 · declarer play 80.0% #74 of 382 · defence 84.6% #293 of 382

Bidding activity — not a pass: 40.6% #277 of 382 (183/451)

Card play by contract type — on target
vs NTvs a suit
Opening leads77.8% (9)73.3% (30)
Declarer play91.7% (12)75.0% (28)
Defence80.0% (20)86.2% (58)

Opening leads by suit led: ♠ 83.3% (6) · ♥ 81.8% (11) · ♦ 64.3% (14) · ♣ 75.0% (8)

vs par by strain: NT -0.72 (40) · a suit -0.82 (114)

vs par by level: part-score +0.06 (54) · game -1.26 (90) · slam -1.30 (10)

By role: declaring +0.05/bd (-3.20 vs par · 76) · defending -0.58/bd (+1.54 vs par · 78)

By vulnerability: vulnerable -0.59/bd (-1.43 vs par · 77) · not vulnerable +0.05/bd (-0.17 vs par · 77)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1W.WongT.Burg – P.ZelnikClosed14+15.5+1.11-0.93
Round 3J.ChiangA.Zamir – O.ToledanoOpen14+2.8+0.20-1.00
Round 4W.WongS.Mukherjee – R.TewariClosed14-5.5-0.39-1.36
Round 5W.WongS.Sofu – H.AvciogluOpen14-47.4-3.39-4.21
Round 6W.WongP.Trenka – G.KemenyClosed14-20.3-1.45-1.43
Round 7W.WongA.Vikor – P.TalyigasClosed14-6.8-0.49+1.07
Round 8W.WongP.Karlik – I.WalachClosed14+22.7+1.62+3.43
Round 9J.ChiangP.Zwart – J.Van Der NeutOpen14-23.3-1.66-3.64
Round 10W.WongW.Bak – P.MarcinowskiClosed14-35.5-2.54-4.79
Round 11W.WongS.Bora – I.MermerOpen14+31.8+2.27+2.00
Round 12W.WongL.Rombaut – P.ChottinClosed14+24.6+1.76+2.07

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.

ButlerRoundOpponentsBdContractLeadResvs par
+14.7Round 8CZECHIA U23234♠♠J=+19
+13.2Round 11MAYDAY132♠x♠3+1+14
+11.0Round 4FORMIDABLES235♠♣J-1+12
+10.0Round 11MAYDAY113NT♠K=+13
+9.3Round 7NEW BROOM86♥♣6-1+14
+9.1Round 12FRANCE GREEN214♥♣T-1+10
+8.3Round 8CZECHIA U23186♦x♣7-2+10
+8.1Round 3MAVERICKS56♣♦2+1-13
+7.9Round 10PROMAX184♠♥3-2+11
+7.3Round 1LUPO VELOCE33♦x♥8=+9
+6.4Round 1LUPO VELOCE84♠x♥T=+7
+6.4Round 11MAYDAY14♠x♣A=+12
+6.1Round 12FRANCE GREEN183♣♦A-3+1
+6.0Round 3MAVERICKS25♠♣7=-13
+6.0Round 7NEW BROOM124♥♥4-1+11
+5.8Round 9VALLON BRIDGE136NT♥4=-13
+5.8Round 12FRANCE GREEN195♣♦5-2+7
+5.7Round 12FRANCE GREEN284♥♣A=+8
+5.4Round 8CZECHIA U23203NT♥2+1+1
+5.2Round 11MAYDAY53NT♥3-1+10
+4.9Round 1LUPO VELOCE115♥x♣K-2+0
+4.5Round 8CZECHIA U23155♦♠3+1+2
+4.0Round 6ANGELS265♥♠6+1+1
+3.8Round 3MAVERICKS83NT♣5-3+7
+3.7Round 11MAYDAY43NT♠J=+0
+3.6Round 6ANGELS273NT♠7-1+5
+3.4Round 4FORMIDABLES253NT♦T-3+5
+3.4Round 9VALLON BRIDGE52♠♣7+3+6
+3.4Round 11MAYDAY84♥♣A+1+1
+3.4Round 11MAYDAY142♥♦2+1-7
+3.4Round 12FRANCE GREEN154♥♦A-2+5
+3.4Round 12FRANCE GREEN245♦x♠5-3+5
+3.3Round 10PROMAX263NT♥3+1+1
+3.2Round 8CZECHIA U23173♣♥K-1+5
+3.0Round 1LUPO VELOCE122♠♣2+1-10
+2.8Round 3MAVERICKS115♦♥4-1+6
+2.6Round 9VALLON BRIDGE34♣♦K=+6
+2.3Round 1LUPO VELOCE14♣♦Q-2+0
+2.3Round 7NEW BROOM132♣♦T-1+0
+2.2Round 4FORMIDABLES212♥♣A+1+6
+2.2Round 6ANGELS173NT♠8+3-14
+2.1Round 3MAVERICKS143♥♠7=+0
+2.1Round 5ELER142NT♥Q-1+10
+2.1Round 7NEW BROOM92♠♦Q-2+7
+2.1Round 12FRANCE GREEN223♣♥K-1+5
+1.9Round 6ANGELS283♠♦T-2+0
+1.8Round 3MAVERICKS92♠♦K=+5
+1.8Round 12FRANCE GREEN163NT♥6+2+0
+1.7Round 8CZECHIA U23194♥♣2=+0
+1.6Round 9VALLON BRIDGE101NT♦7=+11
+1.3Round 1LUPO VELOCE44♠♦2+1+0
+1.3Round 6ANGELS242♠♣2=+5
+1.3Round 8CZECHIA U23252NT♣J+1+1
+1.1Round 5ELER71NT♥Q-2+2
+1.0Round 7NEW BROOM144♥♦K=+0
+1.0Round 12FRANCE GREEN251NT♣2+2+1
+0.9Round 12FRANCE GREEN272♠♣T-1-1
+0.8Round 1LUPO VELOCE24♥♣K=+3
+0.7Round 3MAVERICKS105♣♥A=+13
+0.7Round 5ELER93NT♠2+2+0
+0.6Round 11MAYDAY32♠♥2+1-6
+0.5Round 10PROMAX225♣♦2+1-11
+0.4Round 1LUPO VELOCE144♠♥A+1+0
+0.4Round 7NEW BROOM32♠♦Q+1+6
+0.4Round 9VALLON BRIDGE61NT♦8+2+1
+0.3Round 3MAVERICKS32♥♥3+1+0
+0.3Round 4FORMIDABLES204♠♥5-1-6
+0.3Round 6ANGELS224♠♣8+1+17
+0.2Round 9VALLON BRIDGE81NT♠4=+2
+0.1Round 4FORMIDABLES193NT♠J+1+1
+0.1Round 9VALLON BRIDGE13NT♥6+2+0
+0.1Round 10PROMAX254♠♦8+2-11
+0.1Round 12FRANCE GREEN234♥♦K=+1
-0.0Round 6ANGELS164♠♦K-1+2
-0.1Round 1LUPO VELOCE104♦♠A+1+10
-0.1Round 1LUPO VELOCE134♠♥4+1-13
-0.2Round 6ANGELS253♦♣J+1+1
-0.3Round 3MAVERICKS44♠♥9=-1
-0.4Round 5ELER111NT♣3+1-7
-0.4Round 9VALLON BRIDGE144♠♦6+1+0
-0.5Round 3MAVERICKS16NT♥7=+0
-0.5Round 5ELER82♠♣2+1-6
-0.5Round 7NEW BROOM51NT♥5-1-2
-0.5Round 7NEW BROOM71NT♠6-1+0
-0.5Round 8CZECHIA U23166♣x♥A-2-5
-0.5Round 8CZECHIA U23284♠♣J+2+14
-0.7Round 8CZECHIA U23264♠♦9=+1
-0.8Round 10PROMAX171NT♠A=+0
-1.0Round 7NEW BROOM24♠♠2+1+0
-1.1Round 4FORMIDABLES244♥♠K+1+0
-1.1Round 10PROMAX204♠♠T=+0
-1.2Round 6ANGELS154♥♣2+1+0
-1.2Round 7NEW BROOM114♠♥K=+1
-1.2Round 11MAYDAY22♠♠3=-5
-1.3Round 4FORMIDABLES182♠♣A+1+0
-1.3Round 10PROMAX164♠♣6-2-11
-1.3Round 12FRANCE GREEN261NT♠2=+1
-1.4Round 11MAYDAY73NT♣4+1+1
-1.5Round 4FORMIDABLES153NT♦5=+1
-1.6Round 1LUPO VELOCE74NT♦5+2-13
-1.6Round 8CZECHIA U23241NT♥8+1+0
-1.8Round 3MAVERICKS134♠♥K=-9
-1.8Round 4FORMIDABLES162♥♦T=+1
-1.8Round 5ELER12♠♦T+2-1
-1.9Round 8CZECHIA U23274♥♦9-2+0
-1.9Round 11MAYDAY104♥♣8+2+12
-2.0Round 5ELER23♠♣T=-1
-2.0Round 10PROMAX194♠♣J-1+2
-2.2Round 4FORMIDABLES224♠♣T+2-11
-2.2Round 7NEW BROOM62♠♠3-1-4
-2.2Round 9VALLON BRIDGE113NT♠6=-6
-2.4Round 5ELER34♠♣2-1-5
-2.5Round 1LUPO VELOCE55♣♠K-1-6
-2.5Round 8CZECHIA U23213NT♥4+1+0
-2.7Round 6ANGELS202♥♣3+1-1
-2.7Round 9VALLON BRIDGE123♦♣K+2-11
-3.0Round 11MAYDAY63NT♦5+1-10
-3.0Round 11MAYDAY123♥♣5+1-8
-3.1Round 4FORMIDABLES173♥♦6=+0
-3.1Round 4FORMIDABLES282♠♦Q+2-10
-3.2Round 1LUPO VELOCE94♠♦Q+2-1
-3.2Round 3MAVERICKS61♠♠2+3-6
-3.4Round 1LUPO VELOCE65♦♥A=+1
-3.4Round 10PROMAX285♣♠K=+0
-3.6Round 11MAYDAY94♥♦7+2+1
-3.9Round 5ELER62NT♠4+1-6
-4.1Round 4FORMIDABLES264♠♥A-1-12
-4.3Round 4FORMIDABLES273♥♥4+1-6
-4.7Round 6ANGELS184♠♦A=+0
-4.9Round 5ELER42♦♥5+1+0
-5.0Round 12FRANCE GREEN172♠♥A+3-6
-5.4Round 7NEW BROOM104♥♠5=-10
-5.9Round 10PROMAX243NT♠K=-3
-6.1Round 6ANGELS193♠x♦6-3-9
-7.1Round 3MAVERICKS125♠♥6+1-16
-7.2Round 5ELER54♥♦A-2-12
-7.2Round 7NEW BROOM47♣♥2=+2
-7.5Round 10PROMAX274♥♠2-1-11
-7.7Round 9VALLON BRIDGE96♥♥9+1-11
-7.7Round 10PROMAX214♠♦Q-1-12
-8.0Round 9VALLON BRIDGE25♠♥A-1-14
-8.1Round 9VALLON BRIDGE44♥♥6+1-11
-8.2Round 6ANGELS233NT♠6-1-15
-8.2Round 10PROMAX154♠♣Q-1-12
-8.3Round 9VALLON BRIDGE73NT♣2-4-11
-8.5Round 12FRANCE GREEN204♠x♥J-1-8
-8.7Round 8CZECHIA U23224♥♠4=+0
-8.9Round 5ELER133NT♠J-1-16
-9.3Round 5ELER124♠♦6=-7
-9.4Round 10PROMAX234♥♦7=-10
-9.9Round 3MAVERICKS76NT♠3+1+13
-9.9Round 7NEW BROOM17♣♥2=-10
-10.0Round 5ELER104♥♦2=-10
-10.5Round 6ANGELS215♦♣7=-12