CHAO Allen · CHINESE TAIPEI

71rank
+63.7Butler · 100 bds
+0.64per board
±4.8swing
+1.87vs par /bd · #6/471
+0.80adjusted /bd
Butler per round: 29.5 -24.4 1.3 20.1 7.5 0.7 2.1 22.8 17.9 -13.8by round

vs par split: bidding +1.87 · play +0.00

Strength of schedule: opponents averaged +0.16/bd (a tough draw) → opponent-adjusted +0.80/bd

Card play — on target: opening leads 75.0% #311 of 469 · declarer play 77.3% #177 of 469 · defence 82.7% #290 of 471

Card play by contract type — on target
vs NTvs a suit
Opening leads80.0% (5)73.7% (19)
Declarer play85.7% (7)73.3% (15)
Defence71.4% (14)86.8% (38)

Opening leads by suit led: ♠ 57.1% (7) · ♥ 77.8% (9) · ♦ 75.0% (4) · ♣ 100.0% (4)

vs par by strain: NT +2.84 (25) · a suit +1.55 (75)

vs par by level: part-score +1.18 (33) · game +1.73 (60) · slam +6.29 (7)

By role: declaring +1.27/bd (-0.04 vs par · 48) · defending +0.05/bd (+3.63 vs par · 52)

By vulnerability: vulnerable +0.87/bd (+1.65 vs par · 48) · not vulnerable +0.42/bd (+2.08 vs par · 52)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3C.HoJ.Schnetzer Chauvaud – P.CampbellOpen10+29.5+2.95+3.30
Round 4C.HoD.Lindop – R.LebiOpen10-24.4-2.44-1.10
Round 5C.HoS.Hinge – M.DoeckeOpen10+1.3+0.13-1.40
Round 6C.HoD.Brenner – M.TomaClosed10+20.1+2.01+4.10
Round 7C.HoP.Goodman – P.JourdainOpen10+7.5+0.75+1.10
Round 8C.HoD.Primadewi – S.HarjosoetantoOpen10+0.7+0.07+4.80
Round 11C.HoP.Niedzielski – J.MakarukClosed10+2.1+0.21+1.50
Round 12C.HoM.Robson – B.LeeClosed10+22.8+2.28-0.20
Round 14C.HoB.Satyanarayana – K.NadarOpen10+17.9+1.79+6.00
Round 15C.HoZ.Shao – Z.ZhuangOpen10-13.8-1.38+0.60

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
+12.6Round 12KING236♦♠K=+0
+12.3Round 14NADAR196♣♦A=+11
+12.0Round 3CHILE215♥x♦J-3+14
+11.8Round 6DORSI224♠x♣K=+12
+10.2Round 12KING276♣♥3+1+11
+10.1Round 12KING286♥♦A=+0
+8.6Round 3CHILE235♣♦7-2+12
+8.1Round 4CANALIENS13NT♠4=+12
+7.6Round 5GROSVENOR163♦x♠J-2+9
+7.1Round 6DORSI274♥x♣4-3+12
+6.4Round 14NADAR165♥♥5=+8
+6.3Round 7MACHALE53NT♣3=+6
+6.2Round 6DORSI264♠♥7+2+13
+5.6Round 3CHILE283NT♥5+1+11
+5.3Round 12KING253♥♣3+1+6
+5.1Round 3CHILE254♦♥6=+1
+5.0Round 5GROSVENOR181NT♠6+3-6
+4.8Round 14NADAR152♠♥K+1+10
+4.3Round 8GABRIAL ENERGASINDO195♦♣A-1+11
+4.1Round 11CONSUS RED POLAND205♦♣8-2+7
+4.0Round 12KING225♦x♥2-1+6
+3.6Round 8GABRIAL ENERGASINDO163NT♣9+1+8
+3.5Round 3CHILE271NT♥8-1+5
+3.4Round 6DORSI295♦♥6-1+12
+3.3Round 5GROSVENOR113NT♥7+1+0
+3.2Round 8GABRIAL ENERGASINDO181NT♠5+1+11
+3.2Round 11CONSUS RED POLAND142♠♣10-1+4
+2.8Round 12KING293NT♥3+3+12
+2.6Round 14NADAR122♠♠5=+11
+2.5Round 4CANALIENS33♥♥5=+1
+2.5Round 6DORSI215♣x♠A-3+4
+2.4Round 6DORSI284♥♣9=+0
+2.4Round 15SAIC VW285♦x♠J-3+14
+2.3Round 7MACHALE24♥♦8=-1
+2.3Round 14NADAR202♠♦J-1+0
+2.3Round 15SAIC VW294♥♠5-1+6
+2.2Round 8GABRIAL ENERGASINDO152♠♥5-2-5
+2.1Round 5GROSVENOR153NT♥3-1+6
+2.1Round 11CONSUS RED POLAND183♠♣K-2+11
+2.0Round 7MACHALE43♥♣5-2+3
+1.9Round 7MACHALE74♥♣6=+0
+1.8Round 11CONSUS RED POLAND164♥♠4=+0
+1.2Round 7MACHALE64♥♠A+1+0
+1.2Round 7MACHALE92♠♦Q+1+0
+1.2Round 15SAIC VW271NT♥10-1+4
+1.1Round 5GROSVENOR124♥♦K=-1
+1.1Round 11CONSUS RED POLAND113NT♠4+1-10
+0.9Round 7MACHALE101NT♥5+1-1
+0.6Round 15SAIC VW213♥♣J-1+3
+0.4Round 3CHILE222♠♣Q=-9
+0.3Round 15SAIC VW222♠♦A-1+7
+0.2Round 6DORSI232NT♠2=+0
+0.1Round 7MACHALE31NT♥9+1+7
+0.1Round 14NADAR144♠♥7+2+8
+0.0Round 3CHILE244♠♠A=+0
-0.1Round 11CONSUS RED POLAND196♣♥A=+11
-0.1Round 15SAIC VW303NT♣K+2+1
-0.3Round 8GABRIAL ENERGASINDO201♥♦6+2+0
-0.3Round 15SAIC VW244♥♦K+2-1
-0.4Round 11CONSUS RED POLAND172NT♣6+1-7
-0.7Round 14NADAR133NT♥J+1-1
-0.9Round 8GABRIAL ENERGASINDO143♥♣J-2+1
-1.1Round 3CHILE264♥♦Q=+0
-1.1Round 5GROSVENOR144♥♦7=+0
-1.3Round 4CANALIENS64♠♥4+1+10
-1.3Round 4CANALIENS73NT♥7+2-1
-1.4Round 3CHILE305♥♣4+1+11
-1.5Round 8GABRIAL ENERGASINDO113NT♠9+2+10
-2.0Round 11CONSUS RED POLAND124♥♦Q+1+0
-2.2Round 4CANALIENS23♠♥Q-2+1
-2.4Round 4CANALIENS105♣♠K=-9
-2.4Round 5GROSVENOR194♠♣2=+0
-2.4Round 6DORSI244♥♦A-1-5
-2.6Round 14NADAR171NT♦8-1-2
-2.7Round 8GABRIAL ENERGASINDO132♠♥J+1-1
-2.8Round 7MACHALE84♠♠5+1+0
-3.0Round 6DORSI253♣♠K=+0
-3.0Round 14NADAR184♠x♥A-3+4
-3.1Round 8GABRIAL ENERGASINDO173NT♠K=+14
-3.2Round 3CHILE294♠♣8+3-12
-3.5Round 5GROSVENOR174♥♦3+2-11
-3.5Round 11CONSUS RED POLAND152♦♣6+1-1
-3.8Round 12KING212♦♠2-2-6
-4.1Round 8GABRIAL ENERGASINDO123NT♣9+2-1
-4.2Round 11CONSUS RED POLAND133NT♠2+1+0
-4.3Round 14NADAR116♠♥5=+11
-4.4Round 5GROSVENOR135♦♠6-3-4
-4.4Round 15SAIC VW234♠♠6-3-10
-5.2Round 4CANALIENS44♥♥4-1-12
-5.3Round 12KING305♠♣9+1-11
-5.3Round 15SAIC VW253♠♣A-2-7
-5.6Round 7MACHALE15♦♠8=-3
-5.6Round 12KING265♦♠A=-9
-6.0Round 4CANALIENS54♠♠Q-1-5
-6.4Round 5GROSVENOR203NT♣A-2-7
-7.5Round 4CANALIENS84♥♠A+1-8
-7.5Round 12KING244♠♦Q=-11
-8.1Round 6DORSI304♠♣A=-7
-9.1Round 4CANALIENS97♠♥2=+0
-10.5Round 15SAIC VW263♦x♥A=-11