XIE Ziqiu · ASYMCHEM

401rank
-14.9Butler · 110 bds
-0.14per board
±4.2swing
-0.65vs par /bd · #475/567
-0.10adjusted /bd
Butler per round: -19.6 -10.7 -2.3 3.5 7.5 -9.2 10.7 19.6 10.6 -15.4 -9.6by round

vs par split: bidding -0.94 · play +0.26

Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted -0.10/bd

Card play — on target: opening leads 84.0% #170 of 567 · declarer play 76.0% #294 of 567 · defence 79.6% #410 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads77.8% (9)87.5% (16)
Declarer play66.7% (3)77.3% (22)
Defence71.4% (14)82.5% (40)

Opening leads by suit led: ♠ 85.7% (7) · ♥ 100.0% (4) · ♦ 70.0% (10) · ♣ 100.0% (4)

vs par by strain: NT -0.11 (27) · a suit -0.88 (82)

vs par by level: part-score -0.67 (45) · game -0.74 (57) · slam -0.43 (7)

By role: declaring -0.40/bd (-2.61 vs par · 56) · defending +0.14/bd (+1.37 vs par · 54)

By vulnerability: vulnerable +0.39/bd (+0.54 vs par · 56) · not vulnerable -0.68/bd (-1.89 vs par · 54)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1C.LiuB.Naidoo – P.SinhaOpen10-19.6-1.96-1.60
Round 3C.LiuH.Oh – A.MannoClosed10-10.7-1.07-0.10
Round 4C.LiuW.Hu – L.LiOpen10-2.3-0.23-0.10
Round 6C.LiuD.Wang – Z.ZengOpen10+3.5+0.35+2.00
Round 8C.LiuY.Wang – Y.WangClosed10+7.5+0.75+0.50
Round 9C.LiuD.Fraser – S.FraserOpen10-9.2-0.92-4.40
Round 10C.LiuA.Riamsree – V.SvangsopakulClosed10+10.7+1.07-0.90
Round 11C.LiuS.Humphries – D.HumphriesClosed10+19.6+1.96+1.60
Round 12Y.ZhengX.Shi – X.GanClosed10+10.6+1.06+1.50
Round 13C.LiuX.Lin – Z.YouOpen10-15.4-1.54-3.00
Round 14C.LiuX.Zhu – J.YaoClosed10-9.6-0.96-2.70

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
+10.8Round 8ZHEJIANG JINJIANG174♥x♦3=+12
+9.2Round 14MINGXIN GROUP125♠♥A-1+10
+8.6Round 3SEOUL MIXED286♣♠Q-2+11
+6.8Round 6HUBEI FUXING261NT♠Q-4+7
+6.8Round 10BBC THAILAND24♠x♥A=+7
+6.6Round 4WARHORSE44♥♠J-1+13
+6.0Round 11GINNAN134♥♠2+1+11
+5.6Round 14MINGXIN GROUP154♠♥4-1-2
+5.5Round 12NANGANG POWER293NT♣6-1+6
+5.2Round 8ZHEJIANG JINJIANG185♦x♣6=+3
+5.2Round 11GINNAN145♣♥8=+7
+5.1Round 11GINNAN115♥♠3-1+4
+5.1Round 11GINNAN154♠♦3=-1
+4.4Round 6HUBEI FUXING234♠♣4-1+6
+4.2Round 9WE THE NORTH262♦x♣J-3-11
+4.1Round 12NANGANG POWER274♠♦6=+0
+4.0Round 8ZHEJIANG JINJIANG124♥♦K+1+11
+3.9Round 13CANADA CHINA UNITED103NT♠7-2+8
+3.8Round 1INDIA TSANGPO63♦♣5=+11
+3.7Round 3SEOUL MIXED293♠♥J+1-1
+3.5Round 3SEOUL MIXED253♦♥4=+0
+3.5Round 13CANADA CHINA UNITED14♥♥3=+0
+3.4Round 9WE THE NORTH291NT♠3-1+1
+3.3Round 10BBC THAILAND53♦♣3-2+0
+3.1Round 10BBC THAILAND73NT♠J=+0
+2.9Round 6HUBEI FUXING243♥♣6-1+4
+2.4Round 10BBC THAILAND63NT♣9-1+6
+2.3Round 12NANGANG POWER243NT♥J-2+8
+2.2Round 11GINNAN163♥♣9+1+1
+2.2Round 12NANGANG POWER263♦♦5-2+2
+2.1Round 12NANGANG POWER303♦♦A-2-1
+2.0Round 4WARHORSE62♥♠7-2+3
+1.7Round 4WARHORSE82♠♦3-1+4
+1.6Round 4WARHORSE101NT♠5+1+1
+1.6Round 6HUBEI FUXING302♥♣5=+7
+1.6Round 13CANADA CHINA UNITED23♠♦A-2-9
+1.4Round 14MINGXIN GROUP132♠♦6=+0
+1.3Round 9WE THE NORTH273♥♠8-2+8
+1.2Round 9WE THE NORTH283♥♦4-1+4
+1.0Round 8ZHEJIANG JINJIANG163♦♥Q-1+5
+1.0Round 10BBC THAILAND43♠♥5-1-1
+1.0Round 10BBC THAILAND86NT♦3+1-11
+0.9Round 6HUBEI FUXING222♥♦Q+1+0
+0.8Round 6HUBEI FUXING253NT♥9-1+5
+0.7Round 12NANGANG POWER284♥♠7+1-11
+0.6Round 11GINNAN172♠♣8=-7
+0.6Round 11GINNAN202♠♠3+1+1
+0.5Round 1INDIA TSANGPO71NT♥5+1+0
+0.5Round 4WARHORSE54♠♥A=+0
+0.3Round 12NANGANG POWER232♥♥9+1+0
+0.2Round 11GINNAN182♠♣3=+0
+0.1Round 14MINGXIN GROUP173NT♥J=+2
-0.0Round 8ZHEJIANG JINJIANG114♠♥A+1+0
-0.1Round 1INDIA TSANGPO42♠♦3+1+0
-0.1Round 3SEOUL MIXED223NT♦2-1-5
-0.2Round 13CANADA CHINA UNITED75♣♥K=+2
-0.3Round 3SEOUL MIXED305♥♠A=+0
-0.3Round 4WARHORSE14♥♠K+1+0
-0.4Round 4WARHORSE91NT♦7-1+5
-0.4Round 8ZHEJIANG JINJIANG193♣♥K=-7
-0.4Round 13CANADA CHINA UNITED62♦♦3+2-7
-0.5Round 8ZHEJIANG JINJIANG153NT♠3=-1
-0.5Round 10BBC THAILAND34♣♥A=-7
-0.5Round 14MINGXIN GROUP141NT♣5=+1
-0.6Round 3SEOUL MIXED245♦♣4+1+1
-0.6Round 4WARHORSE34♥♠K+2-11
-0.8Round 8ZHEJIANG JINJIANG131NT♠6=-2
-0.9Round 13CANADA CHINA UNITED44♠♣4-1+0
-1.0Round 8ZHEJIANG JINJIANG203NT♥3-1-5
-1.0Round 12NANGANG POWER211♥♠K+1+0
-1.1Round 13CANADA CHINA UNITED93NT♠6=+0
-1.3Round 1INDIA TSANGPO32♥♦5+1+0
-1.3Round 6HUBEI FUXING213NT♦6-2+5
-1.4Round 1INDIA TSANGPO94♥♦Q-1+3
-1.4Round 10BBC THAILAND9Pass+3
-1.4Round 11GINNAN123NT♠6+1+0
-1.5Round 14MINGXIN GROUP164♠♥A-1-5
-1.7Round 12NANGANG POWER256♦♣10+1+11
-1.9Round 9WE THE NORTH243♥♥2-2-5
-2.0Round 6HUBEI FUXING275♠♥A-1-8
-2.2Round 1INDIA TSANGPO52♣♣8+3-7
-2.3Round 10BBC THAILAND103♠♦3=-1
-2.3Round 14MINGXIN GROUP201NT♦6=-6
-2.6Round 9WE THE NORTH254♥♣2+1-11
-2.7Round 3SEOUL MIXED214♥♠K=+1
-2.7Round 10BBC THAILAND11NT♦9+1-5
-3.1Round 1INDIA TSANGPO84♠♥4-1-10
-3.2Round 3SEOUL MIXED232♥♣2=+0
-3.2Round 9WE THE NORTH225♦♣A-1-5
-3.3Round 9WE THE NORTH305♠♦Q-2-11
-3.5Round 14MINGXIN GROUP193♥♣3-2-5
-3.9Round 12NANGANG POWER226♥♦J=+0
-4.0Round 11GINNAN193NT♦2=+0
-4.1Round 6HUBEI FUXING284♠♠A-1-6
-4.1Round 9WE THE NORTH233NT♥K+1-14
-4.2Round 9WE THE NORTH214♥♠J=+0
-4.3Round 13CANADA CHINA UNITED54♥♠9=-11
-5.0Round 1INDIA TSANGPO102♥♣10=-6
-5.2Round 1INDIA TSANGPO14♠♥4=+0
-5.6Round 1INDIA TSANGPO21♥x♣A=-7
-5.6Round 13CANADA CHINA UNITED33NT♦3=+1
-6.0Round 4WARHORSE74♠♣K-1-6
-6.5Round 6HUBEI FUXING296♠♦J=+0
-7.4Round 4WARHORSE25♥x♦A=-10
-7.7Round 3SEOUL MIXED274♥♠3-1-8
-7.9Round 14MINGXIN GROUP113NT♣9-1-10
-10.2Round 14MINGXIN GROUP184♠♠5-1-12
-10.8Round 8ZHEJIANG JINJIANG144♥♣J-1-11
-11.9Round 3SEOUL MIXED266♥♠K=+0
-11.9Round 13CANADA CHINA UNITED87♦♠3-1-14