ZHANG Tiancheng · SX XNWY

23rank
+30.2Butler · 60 bds
+0.50per board
±4.2swing
-0.20vs par /bd · #33/61
+1.36adjusted /bd
Butler per round: 17.2 21 -0.4 3.6 -8.8 -2.4by round

vs par split: bidding -0.10 · play -0.09

Strength of schedule: opponents averaged +0.86/bd (a tough draw) → opponent-adjusted +1.36/bd

Card play — on target: opening leads 78.6% #30 of 60 · declarer play 54.5% #55 of 60 · defence 87.1% #17 of 61

Card play by contract type — on target
vs NTvs a suit
Opening leads57.1% (7)100.0% (7)
Declarer play50.0% (2)55.6% (9)
Defence84.6% (13)88.9% (18)

Opening leads by suit led: ♠ 75.0% (4) · ♥ 100.0% (4) · ♦ 66.7% (3) · ♣ 66.7% (3)

vs par by strain: NT +1.59 (22) · a suit -1.28 (36)

vs par by level: part-score +0.31 (26) · game -0.67 (30) · slam +0.50 (2)

By role: declaring +0.31/bd (-2.65 vs par · 29) · defending +0.69/bd (+2.10 vs par · 31)

By vulnerability: vulnerable +0.73/bd (-0.21 vs par · 29) · not vulnerable +0.29/bd (-0.19 vs par · 31)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1H.DaiS.Capobianco – F.PortaOpen10+17.2+1.72-0.70
Round 2H.DaiR.Pan – B.JiangOpen10+21.0+2.10+1.10
Round 3J.TongK.Kopka – O.TrybusOpen10-0.4-0.04+0.20
Round 4H.DaiC.Lo – Y.ChenOpen10+3.6+0.36-3.00
Round 7H.DaiY.Huang – Y.LanOpen10-8.8-0.88+0.60
Round 8Y.LiuB.Zhang – Y.NiuClosed10-2.4-0.24+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
+10.9Round 2CHINA RDFZ1176♥x♦4-2+12
+8.1Round 1ITALIA54♥♠A-1-1
+7.5Round 2CHINA RDFZ1205♠♣5=+1
+7.0Round 2CHINA RDFZ1123NT♠5-2+8
+6.5Round 3AZSUW AKADEMIABRYDZA254♠♥6-1+5
+6.3Round 1ITALIA41NT♣2+1+0
+6.3Round 7CHINESE TAIPEI WHITE62NT♣3-1+12
+6.2Round 4CHINESE TAIPEI BLUE43NT♥8=-2
+5.5Round 3AZSUW AKADEMIABRYDZA293NT♠A-3+10
+5.0Round 8CHINA RDFZ3132NT♦8-3+5
+4.9Round 1ITALIA23♣♦10=-1
+4.5Round 2CHINA RDFZ1191NT♥8-1+4
+4.3Round 3AZSUW AKADEMIABRYDZA223♣♠2-1+5
+4.3Round 4CHINESE TAIPEI BLUE93NT♥7+2-10
+3.5Round 4CHINESE TAIPEI BLUE104♠♣K+1+0
+3.0Round 3AZSUW AKADEMIABRYDZA21Pass+3
+2.9Round 1ITALIA33NT♠J=-1
+2.6Round 1ITALIA63NT♠4-1+8
+2.5Round 1ITALIA93NT♥2-1+5
+2.4Round 3AZSUW AKADEMIABRYDZA232♣♠A+2+7
+2.2Round 4CHINESE TAIPEI BLUE22♦♣K+2+0
+2.1Round 2CHINA RDFZ1143NT♣6=-2
+2.1Round 7CHINESE TAIPEI WHITE23♥♣4-2+0
+1.8Round 1ITALIA102♣♠J+1+0
+1.8Round 8CHINA RDFZ3194♠♣9+2+1
+1.1Round 2CHINA RDFZ1181NT♥2=+5
+1.0Round 8CHINA RDFZ3111NT♥10-1+2
+0.6Round 8CHINA RDFZ3173♥♣A-1+3
+0.5Round 8CHINA RDFZ3162♠♦Q+1+0
+0.4Round 7CHINESE TAIPEI WHITE14♥♣5+1+11
+0.2Round 1ITALIA84♣♦K-1-2
+0.2Round 8CHINA RDFZ3124♥♣K=+0
-0.1Round 3AZSUW AKADEMIABRYDZA243♠♥A-1-2
-0.4Round 4CHINESE TAIPEI BLUE54♠♣A=+1
-0.6Round 8CHINA RDFZ3143♦♠8=+0
-0.9Round 7CHINESE TAIPEI WHITE74♠♦9+1-13
-0.9Round 7CHINESE TAIPEI WHITE83NT♥6+3+11
-1.2Round 4CHINESE TAIPEI BLUE62♠♦3=+1
-1.5Round 4CHINESE TAIPEI BLUE7Pass-4
-1.7Round 2CHINA RDFZ1115♥♣5=-1
-1.8Round 2CHINA RDFZ1131NT♣8+1+1
-1.9Round 7CHINESE TAIPEI WHITE96♥♦4+1-11
-2.0Round 4CHINESE TAIPEI BLUE13♠♣Q-3-6
-2.0Round 7CHINESE TAIPEI WHITE45♦♥K-3-3
-2.3Round 8CHINA RDFZ3204♠♣A+1+0
-2.6Round 3AZSUW AKADEMIABRYDZA301NT♦3+3-2
-2.7Round 3AZSUW AKADEMIABRYDZA285♣♠K-1-2
-2.8Round 4CHINESE TAIPEI BLUE82♠♦J+5-4
-3.2Round 7CHINESE TAIPEI WHITE53NT♠8=+1
-3.7Round 2CHINA RDFZ1163♥♠5-1-6
-4.1Round 7CHINESE TAIPEI WHITE33NT♠7+2-1
-4.3Round 8CHINA RDFZ3151NT♦K+3-2
-4.3Round 8CHINA RDFZ3184♥♦10=-3
-4.6Round 7CHINESE TAIPEI WHITE104♥♠A+2-1
-4.7Round 4CHINESE TAIPEI BLUE33♥♦3-3-6
-4.9Round 1ITALIA11NT♥4+1-6
-4.9Round 2CHINA RDFZ1153NT♦K+3-11
-7.2Round 1ITALIA74♠♥4-3-9
-7.8Round 3AZSUW AKADEMIABRYDZA274♠♥9-1-10
-8.9Round 3AZSUW AKADEMIABRYDZA264♠♣6-1-12