LYU Xincheng · RDFZ

98rank
-18.9Butler · 56 bds
-0.34per board
±5.3swing
-0.55vs par /bd · #99/144
-0.14adjusted /bd
Butler per round: 16.1 -3 -2.9 -2 -17.6 -9.1 -0.4by round

vs par split: bidding -0.89 · play +0.34

Strength of schedule: opponents averaged +0.20/bd (a tough draw) → opponent-adjusted -0.14/bd

Card play — on target: opening leads 100.0% #1 of 144 · declarer play 72.7% #65 of 144 · defence 96.4% #3 of 144

Bidding activity — not a pass: 43.0% #57 of 144 (68/158)

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (2)100.0% (15)
Declarer play100.0% (1)70.0% (10)
Defence100.0% (5)95.7% (23)

Opening leads by suit led: ♠ 100.0% (4) · ♥ 100.0% (7) · ♦ 100.0% (2) · ♣ 100.0% (4)

vs par by strain: NT -4.85 (13) · a suit +0.74 (43)

vs par by level: part-score -0.30 (20) · game +0.58 (33) · slam -14.67 (3)

By role: declaring -0.91/bd (-3.36 vs par · 28) · defending +0.24/bd (+2.25 vs par · 28)

By vulnerability: vulnerable -0.87/bd (-1.46 vs par · 24) · not vulnerable +0.06/bd (+0.12 vs par · 32)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1H.WangE.Bolechowska – M.WiacekClosed8+16.1+2.01+1.75
Round 3H.WangO.Brylski – S.PsutyOpen8-3.0-0.38-0.38
Round 5H.WangJ.Zhou – B.ChenClosed8-2.9-0.36-0.12
Round 7H.WangM.Moe – S.LillejordClosed8-2.0-0.25+0.12
Round 8H.WangH.Chiu – Y.ChangClosed8-17.6-2.20-2.12
Round 9H.WangM.Blicharz – T.BradkinClosed8-9.1-1.14-5.38
Round 10H.WangL.Krajewski – M.PolakClosed8-0.4-0.05+2.25

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
+12.7Round 10POLAK MALI254♥x♠T=+15
+8.2Round 9VERCO146♣♥3+1-11
+8.1Round 1KL3 KBSM3244♥♠T-1+10
+8.0Round 10POLAK MALI264♥♣9-3+10
+7.2Round 1KL3 KBSM3283♥♣T=+12
+6.6Round 1KL3 KBSM3233♠♣4+1+1
+6.4Round 9VERCO184♠♣T-2+12
+5.4Round 3KRAKOW I BRODNICA124♥♠A=-1
+5.2Round 7THE VIKINGS264♠♥K-1+6
+5.0Round 5CHINA SMZY SPLINTER63NT♥5-2+11
+5.0Round 7THE VIKINGS235♥♠2-2+2
+5.0Round 8CT U1664♥♠T-2+11
+4.8Round 5CHINA SMZY SPLINTER81NT♣5+1+5
+3.8Round 1KL3 KBSM3214♠♥4+1+1
+3.6Round 7THE VIKINGS214♦♠A-1+5
+2.9Round 5CHINA SMZY SPLINTER32♦♠A+1+0
+2.3Round 3KRAKOW I BRODNICA145♦x♥K-2+11
+2.3Round 5CHINA SMZY SPLINTER23♠♥7-2-5
+2.1Round 3KRAKOW I BRODNICA164♠♥T=+0
+1.6Round 10POLAK MALI284♥♦5-1+5
+1.3Round 3KRAKOW I BRODNICA184♠♦K+1-11
+1.3Round 8CT U1634♥♣K-1+5
+1.1Round 3KRAKOW I BRODNICA111♠♥3-1+4
+0.8Round 7THE VIKINGS272♥♠A+3+6
+0.1Round 9VERCO153♦♥Q-2+0
+0.0Round 1KL3 KBSM3271♥♠A-1-2
-0.2Round 7THE VIKINGS251NT♥K+1+0
-0.8Round 1KL3 KBSM3263♥♦3-2+9
-0.9Round 7THE VIKINGS284♣♠Q-1-1
-0.9Round 8CT U1683♦♥5+1+7
-1.0Round 8CT U1612♥♦6+1+0
-1.6Round 3KRAKOW I BRODNICA154♠♥K+1+0
-1.6Round 10POLAK MALI234♥x♠6-1-2
-1.7Round 5CHINA SMZY SPLINTER55♠♣Q=+0
-1.8Round 9VERCO122♠♥J-1-5
-2.2Round 1KL3 KBSM3223NT♦Q-1-5
-2.4Round 7THE VIKINGS245♥x♦A-2-5
-2.5Round 8CT U1672♥♠4+2-10
-3.1Round 8CT U1624♠♥6=+0
-3.4Round 5CHINA SMZY SPLINTER71NT♥6=-6
-3.4Round 10POLAK MALI243NT♥A-1-5
-4.2Round 10POLAK MALI213NT♥K=+0
-4.7Round 3KRAKOW I BRODNICA174♠x♥T-2+0
-4.9Round 9VERCO174♥♣J-1-11
-5.1Round 9VERCO114♥♣2=+1
-5.4Round 9VERCO131NT♠A-1-12
-5.4Round 10POLAK MALI225♦♠Q=+0
-5.5Round 8CT U1652♦♥2+2-14
-5.7Round 5CHINA SMZY SPLINTER13NT♦Q+1+1
-6.6Round 1KL3 KBSM3253NT♥2-1-12
-6.6Round 9VERCO166NT♠4-1-17
-7.1Round 5CHINA SMZY SPLINTER43NT♠2-2-7
-8.1Round 10POLAK MALI275♥x♦A=-5
-8.9Round 3KRAKOW I BRODNICA134♠♦2-1-6
-10.9Round 8CT U1646NT♠3-1-16
-13.1Round 7THE VIKINGS225♦x♥A-3-12