ZHANG Yukun · AMANDA

357rank
+0.3Butler · 112 bds
+0.00per board
±4.7swing
-0.65vs par /bd · #541/675
+0.25adjusted /bd
Butler per round: 35.2 -2 -10.1 -3 13.9 -12.3 -6.9 -14.5by round

vs par split: bidding -0.55 · play -0.10

Strength of schedule: opponents averaged +0.25/bd (a tough draw) → opponent-adjusted +0.25/bd

Card play — on target: opening leads 75.0% #349 of 675 · declarer play 70.4% #505 of 675 · defence 82.7% #480 of 675

Bidding activity — not a pass: 46.6% #139 of 675 (151/324)

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (4)75.0% (16)
Declarer play85.7% (7)65.0% (20)
Defence84.2% (19)81.8% (33)

Opening leads by suit led: ♠ 83.3% (6) · ♥ 62.5% (8) · ♦ 75.0% (4) · ♣ 100.0% (2)

vs par by strain: NT +0.95 (38) · a suit -1.47 (74)

vs par by level: part-score -0.67 (30) · game -0.52 (73) · slam -1.67 (9)

By role: declaring -0.40/bd (-3.37 vs par · 60) · defending +0.47/bd (+2.48 vs par · 52)

By vulnerability: vulnerable -0.42/bd (-1.62 vs par · 56) · not vulnerable +0.43/bd (+0.32 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1B.FuM.Moran – J.CarrollClosed14+35.2+2.51+3.71
Round 2B.FuM.Sjoqvist – J.SafstenOpen14-2.0-0.14-2.71
Round 3B.FuR.Gomez – P.GoncalvesClosed14-10.1-0.72-1.00
Round 4B.FuH.Chen – W.HuangClosed14-3.0-0.21+0.21
Round 5B.FuA.Gobekli – S.KolataOpen14+13.9+0.99-0.50
Round 6B.FuO.Cernat – M.GrigoriuClosed14-12.3-0.88-1.64
Round 7B.FuZ.Shao – S.SunClosed14-6.9-0.49-0.57
Round 8B.FuN.Zorlu – A.UcarOpen14-14.5-1.04-2.71

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
+12.8Round 1MORAN93♠x♠4=+14
+12.1Round 2TEAM SWEDEN236♣♥A=+7
+9.3Round 51907113NT♥6-3+11
+8.9Round 1MORAN24♥♠K+1+0
+8.2Round 7GX2S26♣♥J-1+14
+8.0Round 1MORAN34♥♠3-2+8
+7.8Round 4BLUE SKY THINKING BC192♣x♦K-3-3
+7.8Round 5190763NT♣Q-1+11
+6.4Round 51907123NT♦5=+0
+6.1Round 6CERCOL ROM175♦♠2=+3
+5.7Round 7GX2S74♥♠K=-1
+5.6Round 4BLUE SKY THINKING BC263NT♣7=+0
+5.0Round 8AGREMAN153♠♥7-2+5
+4.7Round 6CERCOL ROM164♥♦A+1-4
+4.6Round 1MORAN64♥♦7-1+2
+4.5Round 4BLUE SKY THINKING BC173NT♥4+3+1
+4.5Round 5190784♥♠Q-1+5
+4.3Round 8AGREMAN275♦x♣A-2+0
+4.1Round 1MORAN74♠♦3-1+12
+4.1Round 5190723NT♣Q=+0
+4.0Round 1MORAN132♦♠J+2+0
+4.0Round 3TRICK OR TREAT44♥♠A-1+6
+3.9Round 1MORAN53NT♠5-1+5
+3.9Round 8AGREMAN264♥♠A+2+1
+3.8Round 2TEAM SWEDEN173NT♠7+1+0
+3.7Round 2TEAM SWEDEN214♥♠2-1+5
+3.6Round 4BLUE SKY THINKING BC233NT♥6-1+12
+3.5Round 6CERCOL ROM281NT♠Q=+5
+3.4Round 3TRICK OR TREAT65♦♠A-2+5
+3.2Round 5190752♠♥T-2+7
+2.8Round 3TRICK OR TREAT53NT♠3=-1
+2.6Round 3TRICK OR TREAT93NT♣6-3+10
+2.1Round 1MORAN84♠♥K-1+5
+2.1Round 7GX2S123NT♠Q=-1
+1.9Round 6CERCOL ROM215♣♠7-2+2
+1.9Round 8AGREMAN182NT♣T-1+4
+1.8Round 1MORAN13NT♠5-2+5
+1.8Round 3TRICK OR TREAT13NT♣Q+1+1
+1.8Round 3TRICK OR TREAT124♠♣K-2+5
+1.5Round 8AGREMAN174♠♣T+2-8
+1.4Round 2TEAM SWEDEN273♥♠K-3+0
+1.4Round 3TRICK OR TREAT144♥♦K=+3
+1.3Round 8AGREMAN251NT♥8-1+0
+1.1Round 7GX2S93NT♣K-1+5
+1.1Round 7GX2S144♠x♦4-2+4
+1.0Round 4BLUE SKY THINKING BC153NT♠J=-1
+1.0Round 8AGREMAN245♥♦8=+0
+0.8Round 4BLUE SKY THINKING BC184♠♥A+2+12
+0.8Round 4BLUE SKY THINKING BC273NT♠3=+0
+0.8Round 6CERCOL ROM233NT♥4+2+0
+0.8Round 7GX2S101NT♠4+4+9
+0.7Round 7GX2S52♠♦K=+1
+0.3Round 2TEAM SWEDEN161NT♦4=+5
+0.3Round 6CERCOL ROM193NT♠8+1+0
+0.3Round 6CERCOL ROM224♥♦6=+1
+0.3Round 6CERCOL ROM273NT♥6+3+10
+0.2Round 7GX2S14♠♥6+1+0
-0.2Round 3TRICK OR TREAT34♥♦4+1-11
-0.2Round 51907142♦x♠K-2+3
-0.3Round 2TEAM SWEDEN153NT♠5=-1
-0.3Round 3TRICK OR TREAT83♠♣K-1+2
-0.5Round 2TEAM SWEDEN283NT♥6+1+0
-0.6Round 5190735♥♣A=+0
-0.7Round 2TEAM SWEDEN254♥♠4=-1
-0.7Round 51907133♠♥3+1-1
-0.8Round 8AGREMAN164♥♣K+2-11
-0.9Round 3TRICK OR TREAT72♠♥7-1+0
-1.1Round 4BLUE SKY THINKING BC224♣♠A-1+0
-1.2Round 2TEAM SWEDEN226♥♥T+1-11
-1.3Round 4BLUE SKY THINKING BC251♠♥2+1+1
-1.4Round 4BLUE SKY THINKING BC163NT♥5+1+0
-1.4Round 5190713NT♣J+1+0
-1.5Round 5190773NT♥3+3-13
-1.6Round 2TEAM SWEDEN242♣♥J=+0
-1.9Round 1MORAN124♥♦K=+0
-2.0Round 1MORAN114♥♥5+1+0
-2.0Round 5190742NT♣2=-11
-2.1Round 1MORAN46♠♦2+1+13
-2.1Round 8AGREMAN224♠♥2=+0
-2.2Round 7GX2S83NT♣6-1-5
-2.3Round 4BLUE SKY THINKING BC284♠♥J=-1
-2.4Round 3TRICK OR TREAT102♠♦A+1-10
-2.5Round 1MORAN142♠♦4=+0
-2.6Round 6CERCOL ROM243NT♥K=+0
-2.9Round 6CERCOL ROM252NT♦6=+0
-2.9Round 7GX2S34♠x♦J-1+0
-2.9Round 8AGREMAN195♦♥J-1-5
-3.1Round 7GX2S115♣♥A-1-5
-3.4Round 2TEAM SWEDEN181NT♠3-1-5
-3.5Round 6CERCOL ROM202♦♠6+1-12
-3.6Round 51907103♥♣K-2-7
-3.8Round 4BLUE SKY THINKING BC213♥♠8-3-6
-4.2Round 8AGREMAN215♥x♣4-2-5
-4.4Round 3TRICK OR TREAT24♠♣4-2-12
-4.4Round 6CERCOL ROM154♠♣6=-11
-4.5Round 2TEAM SWEDEN206♥♣7-1-13
-4.5Round 2TEAM SWEDEN264♥x♠4-1-13
-5.8Round 7GX2S44♠x♣A-1-12
-6.1Round 8AGREMAN234♠♣J-1-6
-6.3Round 7GX2S62NT♦J-3-7
-6.5Round 1MORAN103♥♦J-1-12
-6.5Round 7GX2S134♥♣A=-10
-6.6Round 2TEAM SWEDEN194♥♦2-3-11
-7.3Round 8AGREMAN287♠♠3=+0
-8.4Round 4BLUE SKY THINKING BC203NT♣Q=-10
-8.4Round 6CERCOL ROM184♥♠3-2-14
-8.4Round 6CERCOL ROM263NT♥6=-3
-8.8Round 4BLUE SKY THINKING BC244♣x♥K-3-2
-9.7Round 3TRICK OR TREAT117♣♣6=+0
-10.0Round 3TRICK OR TREAT134♥x♠Q-2-12
-10.0Round 8AGREMAN206♠♥6-1-13
-11.4Round 5190796♣x♠A-3-12