TIAN Weiqiang · CHANG HONG

23rank
+113.7Butler · 120 bds
+0.95per board
±4.7swing
+1.28vs par /bd · #8/567
+0.98adjusted /bd
Butler per round: 5.2 -0.3 24.7 4.8 26 7.5 0.9 1.1 -9.1 37.1 13.2 2.6by round

vs par split: bidding +1.19 · play +0.03

Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted +0.98/bd

Card play — on target: opening leads 79.4% #305 of 567 · declarer play 82.8% #151 of 567 · defence 76.9% #486 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads71.4% (14)85.0% (20)
Declarer play85.7% (7)81.8% (22)
Defence71.4% (21)79.5% (44)

Opening leads by suit led: ♠ 87.5% (8) · ♥ 66.7% (12) · ♦ 71.4% (7) · ♣ 100.0% (7)

vs par by strain: NT +0.87 (31) · a suit +1.36 (87)

vs par by level: part-score +0.88 (59) · game +0.60 (53) · slam +10.17 (6)

By role: declaring +0.47/bd (-1.51 vs par · 53) · defending +1.32/bd (+3.49 vs par · 67)

By vulnerability: vulnerable +0.81/bd (+1.79 vs par · 61) · not vulnerable +1.09/bd (+0.76 vs par · 59)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1W.HuangH.Oh – A.MannoClosed10+5.2+0.52+0.00
Round 3W.HuangH.Yang – Y.LuOpen10-0.3-0.03+1.20
Round 4W.HuangS.Sze – W.ChiuClosed10+24.7+2.47+2.40
Round 5W.HuangJ.Jang – J.ParkOpen10+4.8+0.48+1.20
Round 6W.HuangS.Wong – W.ChanOpen10+26.0+2.60+4.50
Round 8W.HuangV.Bessis – I.BaroniClosed10+7.5+0.75+0.10
Round 9W.HuangJ.Hurd – K.BathurstClosed10+0.9+0.09+2.70
Round 10W.HuangG.Lyu – W.ChenOpen10+1.1+0.11+2.20
Round 11W.HuangW.Wang – X.HaoOpen10-9.1-0.91-1.80
Round 12W.HuangJ.Wang – T.ZhouClosed10+37.1+3.71+4.20
Round 13W.HuangW.Starkowski – M.KwiecienClosed10+13.2+1.32-0.50
Round 14W.HuangN.Kokten – M.InceClosed10+2.6+0.26-0.80

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
+13.9Round 12HONG PRAISE TEAM304♦xx♦A-3+13
+12.7Round 9MILLENS234♠♥9-1+18
+11.5Round 4KONG HAN54♥x♦Q-4+12
+11.5Round 8PSG127♥♦K-1+14
+11.5Round 12HONG PRAISE TEAM227♣♦2-1+14
+10.2Round 3CHINESE TAIPEI Mixed306♥♠A-1+11
+9.6Round 6FAR EAST283NT♦4=+10
+9.6Round 14TURKEY Seniors155♠x♥2-2+5
+7.9Round 6FAR EAST274♠♦J=+3
+6.8Round 10WUHU BRIDGE TEAM23♠♥A+1+8
+6.8Round 13POLAND Seniors34♠♥2-1+12
+6.8Round 14TURKEY Seniors193NT♣K-4+7
+6.2Round 12HONG PRAISE TEAM274♠♥J+3+3
+5.7Round 1SEOUL MIXED103♥♦5=+7
+5.7Round 4KONG HAN43NT♠7+2+0
+5.7Round 13POLAND Seniors54♥♥4-1-2
+5.6Round 6FAR EAST293NT♦K+1+13
+5.5Round 6FAR EAST252NT♠6-3+9
+5.5Round 12HONG PRAISE TEAM292♠♣7-1+6
+5.3Round 14TURKEY Seniors172♠♥4+2+7
+5.2Round 11HUBEI BRIDGE TEAM145♣♦Q=+7
+5.0Round 5GALAGILE133NT♦9+1+0
+4.7Round 1SEOUL MIXED44♥♦9-1+6
+4.7Round 11HUBEI BRIDGE TEAM122♥♦J+2+6
+4.6Round 14TURKEY Seniors164♥x♣A-1+2
+4.4Round 4KONG HAN62♠♥K-1+4
+4.3Round 3CHINESE TAIPEI Mixed212♠♦9=+8
+4.2Round 9MILLENS214♥♠J=+0
+3.9Round 13POLAND Seniors103♥x♠5-1+8
+3.8Round 8PSG203♦♠K=+0
+3.7Round 10WUHU BRIDGE TEAM42♠♥5=+6
+3.6Round 4KONG HAN25♥♦A=+6
+3.6Round 5GALAGILE194♠♥4-1+5
+3.6Round 13POLAND Seniors41NT♠6-1+5
+3.5Round 3CHINESE TAIPEI Mixed254♥♦A-1+0
+3.5Round 13POLAND Seniors14♥♦Q=+0
+3.1Round 1SEOUL MIXED84♠♥4-1+10
+2.9Round 3CHINESE TAIPEI Mixed284♦x♥9-1+6
+2.7Round 3CHINESE TAIPEI Mixed274♥♠3=+3
+2.5Round 5GALAGILE142NT♥8-1-3
+2.3Round 8PSG133♠♠2-2+2
+2.3Round 10WUHU BRIDGE TEAM102♠♦4+1+1
+2.3Round 11HUBEI BRIDGE TEAM201NT♠2-2+3
+2.2Round 4KONG HAN82♥♦K=+0
+2.2Round 11HUBEI BRIDGE TEAM163♥♣9+1+1
+2.1Round 1SEOUL MIXED63♥♣6=-7
+1.9Round 9MILLENS243♥♦5-2+5
+1.7Round 8PSG185♦♣5=-2
+1.6Round 5GALAGILE152♥♠A=+5
+1.5Round 11HUBEI BRIDGE TEAM172♠♥K+1-6
+1.4Round 1SEOUL MIXED92♦♦A+1-3
+1.4Round 10WUHU BRIDGE TEAM9Pass-3
+1.3Round 12HONG PRAISE TEAM284♥♦K+2-11
+1.1Round 5GALAGILE111♠♥3+3+1
+1.0Round 8PSG163NT♠4-1+5
+0.9Round 6FAR EAST222♥♦Q+1+0
+0.9Round 8PSG114♠♥A+2+1
+0.7Round 9MILLENS254♥♥K+3+10
+0.7Round 12HONG PRAISE TEAM262♥♥3+1+0
+0.6Round 4KONG HAN34♥♠K+2+11
+0.6Round 6FAR EAST302♥♦A+1+6
+0.6Round 13POLAND Seniors63♥♥6+1-6
+0.5Round 10WUHU BRIDGE TEAM34♣♥A=+7
+0.3Round 4KONG HAN14♥♠K+1+0
+0.3Round 12HONG PRAISE TEAM232♥♥2+1+0
+0.0Round 5GALAGILE121NT♦6-1+2
-0.0Round 5GALAGILE173♠♣5=+0
+0.0Round 8PSG143NT♦7+2+0
+0.0Round 10WUHU BRIDGE TEAM86NT♣7=+11
-0.1Round 4KONG HAN72♠♣K+2-1
-0.1Round 9MILLENS274♥♥2-3-7
-0.1Round 13POLAND Seniors93NT♠6+1+1
-0.3Round 5GALAGILE161NT♥3+1+7
-0.4Round 6FAR EAST262♦♥8=-1
-0.4Round 12HONG PRAISE TEAM243♥♥4+2+6
-0.5Round 1SEOUL MIXED71NT♥5+1+0
-0.5Round 8PSG153NT♠7=-1
-0.5Round 9MILLENS26Pass♠10+12
-0.5Round 14TURKEY Seniors141NT♣10=+1
-0.6Round 1SEOUL MIXED13♠♣3+1-6
-0.6Round 6FAR EAST232♥♣4=+1
-0.9Round 12HONG PRAISE TEAM256♦♣A=+11
-1.0Round 12HONG PRAISE TEAM212♠♦A=+0
-1.2Round 9MILLENS283♥♦4-1-4
-1.3Round 6FAR EAST213NT♦6-2+5
-1.5Round 1SEOUL MIXED23♦♠8+1+0
-1.5Round 3CHINESE TAIPEI Mixed243NT♥K+2+0
-1.5Round 14TURKEY Seniors124♠♥10+1-1
-1.6Round 4KONG HAN101NT♠5+1-1
-1.6Round 9MILLENS293♠♦7+1+1
-1.8Round 6FAR EAST243♦♣9+1-1
-1.9Round 4KONG HAN92♦x♦6-1-7
-2.1Round 3CHINESE TAIPEI Mixed223NT♥10-2-6
-2.3Round 14TURKEY Seniors201NT♦6=-6
-2.4Round 10WUHU BRIDGE TEAM64♠♣10-1-6
-2.5Round 11HUBEI BRIDGE TEAM183♥♣J-2-3
-2.9Round 13POLAND Seniors73NT♥K+3-1
-3.1Round 10WUHU BRIDGE TEAM73NT♣6=+0
-3.2Round 3CHINESE TAIPEI Mixed232♥♣A=+0
-3.2Round 13POLAND Seniors23♦♣Q-1-12
-3.6Round 1SEOUL MIXED34♥♦K-1-5
-3.6Round 5GALAGILE182NT♠6=+1
-3.6Round 10WUHU BRIDGE TEAM12♠♦6-2+0
-3.7Round 8PSG193♦♥Q-1-10
-4.0Round 11HUBEI BRIDGE TEAM193NT♦9=+0
-4.5Round 10WUHU BRIDGE TEAM53♦♠K-3-2
-4.6Round 11HUBEI BRIDGE TEAM113NT♠7=-7
-4.6Round 14TURKEY Seniors133♥♠Q=-6
-4.7Round 13POLAND Seniors83NT♥J+3-10
-5.1Round 5GALAGILE204♠♣2-1-6
-5.2Round 3CHINESE TAIPEI Mixed294♠♥5=-10
-5.5Round 14TURKEY Seniors183♠♣A-5-6
-5.6Round 1SEOUL MIXED54♠♠2+2-2
-6.6Round 11HUBEI BRIDGE TEAM154♠♦5-1-13
-6.8Round 9MILLENS223NT♠9+1-7
-7.3Round 11HUBEI BRIDGE TEAM134♥♦4-1-6
-8.4Round 9MILLENS304♠♦Q+1-1
-9.3Round 14TURKEY Seniors113NT♣9-3-11
-9.5Round 8PSG174♠♥6=-8
-11.9Round 3CHINESE TAIPEI Mixed266♥♣5=+0