LIU Hai Tao · PAN-CHINA

150rank
+31.8Butler · 56 bds
+0.57per board
±3.8swing
+1.41vs par /bd · #129/579
+0.80adjusted /bd
Butler per round: 11.8 -2.1 2.9 8.7 13 1.7 -0 -4.2by round

vs par split: bidding +0.89 · play +0.52

Strength of schedule: opponents averaged +0.23/bd (a tough draw) → opponent-adjusted +0.80/bd

Card play — on target: opening leads 75.0% #351 of 579 · declarer play 66.7% #358 of 579 · defence 94.1% #113 of 579

Card play by contract type — on target
vs NTvs a suit
Opening leads55.6% (9)100.0% (7)
Declarer play0.0% (1)80.0% (5)
Defence92.9% (14)95.0% (20)

Opening leads by suit led: ♠ 25.0% (4) · ♥ 100.0% (4) · ♦ 100.0% (4) · ♣ 75.0% (4)

vs par by strain: NT +1.91 (21) · a suit +1.11 (35)

vs par by level: part-score +1.56 (25) · game +2.08 (26) · slam -2.80 (5)

By role: declaring +0.49/bd (-2.91 vs par · 22) · defending +0.62/bd (+4.21 vs par · 34)

By vulnerability: vulnerable -0.41/bd (+0.86 vs par · 29) · not vulnerable +1.62/bd (+2.00 vs par · 27)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1X.ZhangH.Vahaboglu – N.AydogduOpen7+11.8+1.69+3.71
Round 2X.ZhangW.He – Z.ZhangOpen7-2.1-0.30-2.29
Round 3X.ZhangH.Song – G.HuangOpen7+2.9+0.41+1.71
Round 4X.ZhangM.Iliev – H.HristovClosed7+8.7+1.24+5.43
Round 5X.ZhangW.Lai – K.MakOpen7+13.0+1.86+2.14
Round 6X.ZhangM.Nowosadzki – J.KalitaOpen7+1.7+0.24+3.57
Round 7X.ZhangK.Baskaran – A.Mel (De)Open7-0.0-0.00+1.43
Round 8X.ZhangM.Rosenberg – C.WillenkenOpen7-4.2-0.60-4.43

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
+12.2Round 5HK ZEN24♠x♣9-3+12
+10.2Round 1TURKEY74♠♥J-2+13
+9.8Round 4BULGARIAN ALL STARS252♠♦7+3+15
+6.5Round 5HK ZEN67♣♠6=-2
+5.0Round 3YUETAO OF GUANGZHOU166♦♥7=-2
+5.0Round 6ZAWADA123NT♠2-2+11
+4.9Round 1TURKEY32NT♣Q-4+7
+4.5Round 3YUETAO OF GUANGZHOU216♠♦K=-13
+4.3Round 7BLADES162♣♥J+2+10
+3.1Round 2ZHONGSHAN JIEGAO95♣♦A=+0
+3.1Round 3YUETAO OF GUANGZHOU172NT♠Q-1+5
+2.9Round 8FLEISHER274♠♥A-2+0
+2.8Round 6ZAWADA145♣♠2=+3
+2.6Round 8FLEISHER245♥♠Q=+0
+2.2Round 2ZHONGSHAN JIEGAO141NTx♣4-1+0
+2.2Round 5HK ZEN52♠♥A-1+3
+2.0Round 4BULGARIAN ALL STARS223♦♣A-2+2
+2.0Round 4BULGARIAN ALL STARS236♣♦9-1+17
+2.0Round 8FLEISHER254♠x♦A-3-3
+2.0Round 8FLEISHER263NT♠3=+0
+1.9Round 1TURKEY23NT♥5-2+6
+1.8Round 5HK ZEN13NT♥7=+0
+1.5Round 4BULGARIAN ALL STARS243NT♠5+1-1
+1.1Round 2ZHONGSHAN JIEGAO134♥♣5+1+0
+0.5Round 7BLADES153♠♣K+3+13
+0.4Round 7BLADES193♣♣2=-1
+0.3Round 2ZHONGSHAN JIEGAO114♠♥J+1-10
+0.3Round 7BLADES204♥♠J+2-13
+0.2Round 1TURKEY63♣♥A+1+6
+0.1Round 4BULGARIAN ALL STARS265♦♣Q+1+13
-0.3Round 6ZAWADA112♠♦10-1-2
-0.6Round 7BLADES172♠♦8+1+0
-0.9Round 6ZAWADA133♠♥2=+0
-1.0Round 5HK ZEN74♠♦4=+0
-1.2Round 3YUETAO OF GUANGZHOU182♠♠K-1-2
-1.2Round 6ZAWADA93NT♣3+1+12
-1.2Round 6ZAWADA103♠♦A=+0
-1.4Round 1TURKEY12♠♦J+1-6
-1.4Round 1TURKEY51NT♠5-2-1
-1.6Round 2ZHONGSHAN JIEGAO121NT♠Q+1+1
-2.0Round 3YUETAO OF GUANGZHOU193NT♦6+1+17
-2.3Round 7BLADES182♠♦Q=+1
-2.5Round 6ZAWADA83NT♦J=+1
-2.6Round 1TURKEY41NT♣5-1+1
-2.6Round 7BLADES212♠♥5+1+0
-2.6Round 8FLEISHER231NT♠6-2-3
-2.9Round 2ZHONGSHAN JIEGAO81NT♣5+1-6
-3.0Round 3YUETAO OF GUANGZHOU203NT♥8+1+12
-3.2Round 4BULGARIAN ALL STARS275♣♦A=+0
-3.2Round 5HK ZEN32♠♣K-1+1
-3.5Round 3YUETAO OF GUANGZHOU152♥♦Q=-5
-3.5Round 4BULGARIAN ALL STARS283NT♣4-2-8
-3.5Round 8FLEISHER284♥♣K-2-11
-4.3Round 2ZHONGSHAN JIEGAO103NT♣5+2-1
-5.5Round 5HK ZEN43NT♣5=+1
-7.6Round 8FLEISHER226NT♣10-3-14