WANG Nan · SHENZHEN NANGANG POWER

22rank
+42.2Butler · 42 bds
+1.00per board
±4.4swing
+1.10vs par /bd · #34/208
+1.33adjusted /bd
Butler per round: 21.5 6.3 -9.4 18.9 8.1 -3.2by round

vs par split: bidding +1.50 · play -0.40

Strength of schedule: opponents averaged +0.32/bd (a tough draw) → opponent-adjusted +1.33/bd

Card play — on target: opening leads 90.0% #19 of 207 · declarer play 72.7% #121 of 206 · defence 76.2% #174 of 208

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (2)87.5% (8)
Declarer play66.7% (3)75.0% (8)
Defence50.0% (6)86.7% (15)

Opening leads by suit led: ♠ 100.0% (3) · ♥ 0.0% (1) · ♦ 100.0% (5) · ♣ 100.0% (1)

vs par by strain: NT +0.92 (13) · a suit +1.17 (29)

vs par by level: part-score +4.54 (11) · game +0.43 (30) · slam -17.00 (1)

By role: declaring -0.17/bd (-2.62 vs par · 21) · defending +2.18/bd (+4.81 vs par · 21)

By vulnerability: vulnerable -0.11/bd (-0.05 vs par · 21) · not vulnerable +2.12/bd (+2.24 vs par · 21)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3B.ZhangD.Stern – W.BurgessOpen7+21.5+3.07+5.86
Round 4B.ZhangJ.Yao – X.ZhangClosed7+6.3+0.90-0.71
Round 5B.ZhangG.Chagas – L.PainOpen7-9.4-1.34-3.86
Round 6B.ZhangX.Liu – J.YangOpen7+18.9+2.70+2.86
Round 7B.ZhangX.Xue – J.TaoOpen7+8.1+1.16+1.43
Round 8B.ZhangM.Kang – J.RanClosed7-3.2-0.46+1.00

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
+11.3Round 4CHINA PETROLEUM SPORTS ASSCCIA282♣x♥6-2+11
+9.0Round 4CHINA PETROLEUM SPORTS ASSCCIA265♣x♣2+1+4
+6.3Round 6MEIKUANGTIXIE123NT♣4=+0
+6.1Round 3BURGESS183NT♣7-2+13
+5.7Round 3BURGESS174♥♦2-2+6
+5.6Round 8SHANGHAI YITONG244♥♠Q-1+10
+4.9Round 3BURGESS192♥♦7=+7
+4.9Round 5BROCK14♠♦8+1+1
+4.9Round 7HUOCHETOU BLUE183♠♣Q+2+10
+4.4Round 6MEIKUANGTIXIE144♠♥K-2+6
+3.9Round 3BURGESS154♠♦Q-1+6
+3.6Round 7HUOCHETOU BLUE153NT♦10=+0
+3.6Round 8SHANGHAI YITONG262♠♠J+1+10
+3.4Round 7HUOCHETOU BLUE195♦x♥K-2+5
+3.2Round 6MEIKUANGTIXIE93NT♥3=+14
+2.9Round 6MEIKUANGTIXIE83NT♥10-1+5
+2.4Round 6MEIKUANGTIXIE114♣♠5+1+7
+2.2Round 6MEIKUANGTIXIE104♠♦7=+0
+2.2Round 7HUOCHETOU BLUE174♠♦10+2+1
+2.0Round 5BROCK44♠♥8+1+0
+2.0Round 7HUOCHETOU BLUE204♠♦A+1+0
+1.5Round 3BURGESS215♥♣7=+0
+1.4Round 8SHANGHAI YITONG282♥♣Q+1+0
+1.0Round 3BURGESS162NT♠Q-1+10
+0.5Round 5BROCK33♠♠5=+0
+0.5Round 8SHANGHAI YITONG233NT♠10+1-1
-0.1Round 5BROCK22♣♦4+1+0
-1.1Round 4CHINA PETROLEUM SPORTS ASSCCIA224♠♦A+1+0
-1.4Round 4CHINA PETROLEUM SPORTS ASSCCIA233NT♠10=+0
-1.4Round 5BROCK51NT♣6-2+0
-1.6Round 3BURGESS204♠♦Q+2-1
-1.9Round 8SHANGHAI YITONG224♥♣Q+2-1
-2.0Round 4CHINA PETROLEUM SPORTS ASSCCIA255♦♠A-1-6
-2.5Round 6MEIKUANGTIXIE133NT♣9-4-12
-3.8Round 7HUOCHETOU BLUE215♥x♠K-2-5
-4.2Round 7HUOCHETOU BLUE164♠♦J+1-1
-4.3Round 4CHINA PETROLEUM SPORTS ASSCCIA242NT♠J-2-5
-4.6Round 8SHANGHAI YITONG253NT♠4+3-1
-5.2Round 4CHINA PETROLEUM SPORTS ASSCCIA274♠x♥3-2-9
-7.4Round 5BROCK63NT♦Q-2-11
-7.8Round 8SHANGHAI YITONG274♠♦7-1-10
-7.9Round 5BROCK76♠♦10-2-17