TANG Tengbo · SX NEBULA

29rank
+4.6Butler · 40 bds
+0.12per board
±5.5swing
+0.60vs par /bd · #16/51
+0.50adjusted /bd
Butler per round: 16.7 3.5 20 -35.6by round

vs par split: bidding +0.88 · play -0.28

Strength of schedule: opponents averaged +0.38/bd (a tough draw) → opponent-adjusted +0.50/bd

Card play — on target: opening leads 66.7% #33 of 51 · declarer play 83.3% #22 of 51 · defence 63.3% #47 of 51

Card play by contract type — on target
vs NTvs a suit
Opening leads80.0% (5)60.0% (10)
Declarer play100.0% (3)66.7% (3)
Defence60.0% (10)65.0% (20)

Opening leads by suit led: ♠ 66.7% (3) · ♥ 60.0% (5) · ♦ 100.0% (1) · ♣ 66.7% (6)

vs par by strain: NT +0.14 (14) · a suit +0.85 (26)

vs par by level: part-score +1.78 (23) · game -0.31 (16) · slam -12.00 (1)

By role: declaring +0.97/bd (-0.40 vs par · 10) · defending -0.17/bd (+0.93 vs par · 30)

By vulnerability: vulnerable -0.68/bd (+0.38 vs par · 21) · not vulnerable +0.99/bd (+0.84 vs par · 19)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2Y.ChenZ.Yuan – Y.WangClosed10+16.7+1.67+1.30
Round 3Y.ChenJ.Xu – J.SunOpen10+3.5+0.35+0.40
Round 4S.MaH.Ciunczyk – J.ZalewskaClosed10+20.0+2.00+2.00
Round 6Y.ChenA.Dhir – M.WeingartenOpen10-35.6-3.56-1.30

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
+13.0Round 2SX STARLORD133♦♣5-1+13
+10.0Round 4POLAND125♣x♠2-3+9
+8.6Round 3SX VENUS63NT♦A-3+9
+7.7Round 4POLAND172♣♦K+3+7
+7.4Round 4POLAND202♦♣J-3+9
+5.6Round 4POLAND115♦x♣4-2-3
+5.4Round 2SX STARLORD164♠♠10+2-11
+4.7Round 4POLAND194♥♠A+1+7
+4.3Round 2SX STARLORD203NT♥2-1+6
+4.0Round 2SX STARLORD111NT♠9=+5
+3.6Round 3SX VENUS12NT♥9+1+1
+3.3Round 4POLAND183♥♣6-1+4
+1.6Round 6USA44♦♥K=+10
+0.9Round 3SX VENUS33♦♠3-1+3
+0.9Round 6USA83♠♣8-2+5
+0.7Round 4POLAND161NT♥5-1+0
+0.4Round 3SX VENUS93NT♦4=+1
+0.3Round 2SX STARLORD122♦♣K-2-1
+0.0Round 2SX STARLORD183NT♠Q+1+0
+0.0Round 3SX VENUS104♥♣Q-1+6
-0.1Round 2SX STARLORD192♠♣J+1+10
-0.6Round 4POLAND132♦♥A+3-1
-0.7Round 6USA53♥♠3=-1
-1.1Round 3SX VENUS73NT♦3+2-1
-1.7Round 2SX STARLORD173NT♠3+2-1
-1.9Round 3SX VENUS43♦♥A-1+0
-2.0Round 3SX VENUS83♠♣K-2-5
-2.1Round 3SX VENUS23♠♣A+1-4
-2.4Round 6USA33♠♦7=+0
-2.9Round 3SX VENUS51NT♣2+1-6
-2.9Round 6USA91NT♠5-1+0
-3.1Round 2SX STARLORD154♥♥3+1-6
-3.1Round 4POLAND143NT♠2=+0
-4.1Round 6USA73♥♦8+1-1
-4.3Round 6USA12♠♣9=-5
-5.0Round 6USA64♠♥A=-7
-5.4Round 2SX STARLORD141NT♥8+2-2
-6.3Round 6USA24♥♥8+1-4
-12.4Round 6USA103NT♥7=-10
-15.7Round 4POLAND156♦x♠2=-12