🇺🇸 XIAO Eric · USA2

74rank
-19.5Butler · 104 bds
-0.19per board
±3.7swing
-0.61vs par /bd · #82/105
-0.01adjusted /bd
Butler per round: -14.7 14 -10 -7.1 4.8 4.3 -12 -9.5 -14 -8 19.2 13.6 -0.1by round

vs par split: bidding -0.26 · play -0.35

Strength of schedule: opponents averaged +0.17/bd (a tough draw) → opponent-adjusted -0.01/bd

Card play — on target: opening leads 85.2% #31 of 105 · declarer play 69.6% #70 of 105 · defence 88.3% #15 of 105

Bidding activity — not a pass: 43.4% #57 of 105 (122/281)

Card play by contract type — on target
vs NTvs a suit
Opening leads80.0% (5)86.4% (22)
Declarer play60.0% (5)72.2% (18)
Defence100.0% (17)83.7% (43)

Opening leads by suit led: ♠ 100.0% (2) · ♥ 75.0% (8) · ♦ 88.9% (9) · ♣ 87.5% (8)

vs par by strain: NT +0.07 (28) · a suit -0.85 (76)

vs par by level: part-score +1.00 (44) · game -1.60 (52) · slam -3.00 (8)

By role: declaring +0.09/bd (-3.43 vs par · 44) · defending -0.39/bd (+1.47 vs par · 60)

By vulnerability: vulnerable -0.01/bd (-0.10 vs par · 52) · not vulnerable -0.36/bd (-1.11 vs par · 52)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1C.ChenA.Silverstein – D.BalofClosed8-14.7-1.84-3.12
Round 2C.ChenL.Petelko – K.RetterOpen8+14.0+1.75+1.00
Round 4C.ChenW.Okrzesik – K.KuflowskiClosed8-10.0-1.25-0.12
Round 5C.ChenP.Hammelev – M.LarsenOpen8-7.1-0.89-1.38
Round 7C.ChenC.Bens – M.RochesClosed8+4.8+0.60-0.12
Round 8C.ChenS.Saengtuen – C.SaisithClosed8+4.3+0.54-1.62
Round 10C.ChenD.Tokes – B.ZabradiOpen8-12.0-1.50-2.88
Round 11C.ChenN.Heiberg-Evenstad – A.BrogelandOpen8-9.5-1.19+0.12
Round 13C.ChenA.Pedmanson – J.VahkOpen8-14.0-1.75-4.50
Round 14C.ChenR.Brocken – M.BrockenOpen8-8.0-1.00+0.38
Round 16C.ChenG.Gupta – A.MehtaClosed8+19.2+2.40+3.38
Round 17C.ChenJ.Wilkinson – A.WilsmoreOpen8+13.6+1.70+1.00
Round 19C.ChenB.Ochoa – D.Salaverri BottaroClosed8-0.1-0.01+0.00

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
+11.2Round 16🇮🇳 INDIA313♦x♠7=+8
+10.5Round 11🇳🇴 NORWAY226♠♣A-1+11
+7.1Round 10🇭🇺 HUNGARY136♠♦J+1-13
+6.5Round 7🇫🇷 FRANCE223NT♦T-1+10
+6.2Round 16🇮🇳 INDIA253NT♠5+1+11
+6.1Round 14🇳🇱 NETHERLANDS146♣♦A-1+11
+5.6Round 16🇮🇳 INDIA273♥♦J+1+7
+5.2Round 17🇦🇺 AUSTRALIA23♠♣A-4+7
+4.7Round 17🇦🇺 AUSTRALIA54NT♣K+1+0
+4.7Round 19🇺🇾 URUGUAY223♠♥K-4+2
+4.2Round 2🇮🇱 ISRAEL102♠♦K-1+0
+4.1Round 14🇳🇱 NETHERLANDS91NT♦9-1+5
+4.0Round 19🇺🇾 URUGUAY204♠♠7+1+0
+3.9Round 19🇺🇾 URUGUAY214♠♣3-2+7
+3.5Round 16🇮🇳 INDIA262♥♣9+1+1
+3.4Round 8🇹🇭 THAILAND254♥♦K+1+4
+3.4Round 8🇹🇭 THAILAND294♠♦7+1+0
+3.2Round 2🇮🇱 ISRAEL122♥♠A+2+1
+3.2Round 2🇮🇱 ISRAEL144♠♣5+1+8
+3.2Round 8🇹🇭 THAILAND261NT♣5-1+0
+2.9Round 17🇦🇺 AUSTRALIA63♥♦2+1+6
+2.8Round 7🇫🇷 FRANCE174♥♠A-3+1
+2.7Round 2🇮🇱 ISRAEL163♦♣A=+0
+2.6Round 2🇮🇱 ISRAEL134♥♣A-2+2
+2.6Round 5🇩🇰 DENMARK83♥♠K-1+4
+2.6Round 13🇪🇪 ESTONIA41NT♠9+3+2
+2.4Round 8🇹🇭 THAILAND314♠♦6=+0
+2.2Round 17🇦🇺 AUSTRALIA33♣♥2-2+5
+1.9Round 1🇺🇸 USA181NT♥5-3-7
+1.9Round 7🇫🇷 FRANCE241NT♥9+2+1
+1.7Round 19🇺🇾 URUGUAY243♦♥Q+1+0
+1.5Round 4🇵🇱 POLAND253♠♥A+1+6
+1.2Round 10🇭🇺 HUNGARY142♥♦K=-1
+1.2Round 17🇦🇺 AUSTRALIA14♠♥Q+3-10
+0.9Round 7🇫🇷 FRANCE201♠♦6+2+0
+0.9Round 13🇪🇪 ESTONIA14♥♠7+2-11
+0.7Round 1🇺🇸 USA142♠♦3+1+0
+0.7Round 10🇭🇺 HUNGARY165♣♥T-4+7
+0.6Round 4🇵🇱 POLAND293NT♥9=+2
+0.5Round 2🇮🇱 ISRAEL94♠♦5=+0
+0.4Round 17🇦🇺 AUSTRALIA81♦♣T+1-1
+0.3Round 16🇮🇳 INDIA284♠♣Q=+6
+0.3Round 17🇦🇺 AUSTRALIA74♥♠7-1+1
+0.2Round 1🇺🇸 USA174♠♣J=+0
+0.2Round 2🇮🇱 ISRAEL113♦♣Q+1+7
+0.1Round 5🇩🇰 DENMARK74♠♥7=+0
+0.1Round 8🇹🇭 THAILAND304♠♣A+1+0
-0.0Round 4🇵🇱 POLAND262NT♠A+2+10
-0.1Round 13🇪🇪 ESTONIA23♥♠J-1-2
-0.2Round 7🇫🇷 FRANCE213NT♥6+2-10
-0.3Round 14🇳🇱 NETHERLANDS123NT♣6+2+0
-0.6Round 11🇳🇴 NORWAY193NT♦5=+0
-0.7Round 5🇩🇰 DENMARK14♠♥7-2-5
-0.9Round 4🇵🇱 POLAND302♠♥K+1-1
-0.9Round 19🇺🇾 URUGUAY174♠♦Q+1+0
-1.0Round 10🇭🇺 HUNGARY151NT♠Q+1-1
-1.0Round 13🇪🇪 ESTONIA83NT♥3+2+0
-1.1Round 4🇵🇱 POLAND326NT♦5=+11
-1.1Round 5🇩🇰 DENMARK34♠♦3=+0
-1.2Round 5🇩🇰 DENMARK53♠♥A-1+6
-1.2Round 5🇩🇰 DENMARK62♣♠K-3-10
-1.2Round 14🇳🇱 NETHERLANDS153NT♠T-3+0
-1.3Round 8🇹🇭 THAILAND324♥♠K+2-9
-1.3Round 16🇮🇳 INDIA292NT♦3=+1
-1.4Round 14🇳🇱 NETHERLANDS134♠♣J+1+0
-1.5Round 10🇭🇺 HUNGARY113NT♥8+1+1
-1.5Round 16🇮🇳 INDIA304♠♥6=+1
-1.6Round 10🇭🇺 HUNGARY125♥♠T-1-3
-1.7Round 1🇺🇸 USA161NT♥3=+0
-1.7Round 7🇫🇷 FRANCE183NT♥Q-1-4
-1.8Round 11🇳🇴 NORWAY184♦♥5+2+10
-1.9Round 1🇺🇸 USA122♠♥3+1+0
-1.9Round 1🇺🇸 USA133♣♦7-3-4
-1.9Round 11🇳🇴 NORWAY172♠♣8+1+0
-2.0Round 8🇹🇭 THAILAND272♠♦5+3+6
-2.2Round 7🇫🇷 FRANCE232♠♥2=+1
-2.6Round 2🇮🇱 ISRAEL154♠♥7-1-10
-2.6Round 13🇪🇪 ESTONIA33♠♥K-1+2
-2.7Round 4🇵🇱 POLAND285♣♥2+2-14
-2.7Round 5🇩🇰 DENMARK25♣x♥Q-1-6
-2.7Round 11🇳🇴 NORWAY212NT♥6-1-5
-2.7Round 13🇪🇪 ESTONIA75♠♣7+1-13
-2.8Round 19🇺🇾 URUGUAY234♠♥K+2+12
-2.9Round 5🇩🇰 DENMARK44♦♥8=+0
-3.2Round 7🇫🇷 FRANCE194♥♣J=+0
-3.3Round 17🇦🇺 AUSTRALIA42♠♦K=+0
-3.4Round 4🇵🇱 POLAND273NT♠6-1-10
-3.4Round 11🇳🇴 NORWAY233NT♥5=+1
-3.6Round 14🇳🇱 NETHERLANDS103♥♠J+1-10
-3.8Round 1🇺🇸 USA113NT♠Q=+1
-3.8Round 14🇳🇱 NETHERLANDS114♠♣3=-3
-3.9Round 11🇳🇴 NORWAY245♦♠K-1-10
-4.0Round 4🇵🇱 POLAND313NT♦6-2-5
-4.6Round 10🇭🇺 HUNGARY96♠♣A=+0
-4.8Round 13🇪🇪 ESTONIA64♥♣Q-5-8
-4.8Round 16🇮🇳 INDIA323NT♥7-2-8
-4.8Round 19🇺🇾 URUGUAY196♥♣K-3-17
-4.9Round 8🇹🇭 THAILAND286♠♣T-1-14
-5.7Round 11🇳🇴 NORWAY202♥♥A+1-6
-5.9Round 19🇺🇾 URUGUAY183NT♣J-5-4
-6.3Round 13🇪🇪 ESTONIA53♥♠3=-6
-7.9Round 14🇳🇱 NETHERLANDS164♠♥Q=+0
-8.2Round 1🇺🇸 USA155♠♥K=-15
-12.3Round 10🇭🇺 HUNGARY106♦♣A=-13