LUO Zeng Qun · ZHIHAOLE

338rank
-28.0Butler · 49 bds
-0.57per board
±4.9swing
+1.02vs par /bd · #93/399
-0.50adjusted /bd
Butler per round: -5.1 11.5 -3.3 -8.8 4.2 -29.7 3.2by round

vs par split: bidding -0.06 · play +1.08

Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted -0.50/bd

Card play — on target: opening leads 66.7% #340 of 398 · declarer play 73.3% #190 of 398 · defence 87.5% #156 of 399

Card play by contract type — on target
vs NTvs a suit
Opening leads33.3% (3)77.8% (9)
Declarer play66.7% (3)75.0% (12)
Defence80.0% (5)89.5% (19)

Opening leads by suit led: ♠ 50.0% (2) · ♥ 66.7% (3) · ♦ 60.0% (5) · ♣ 100.0% (2)

vs par by strain: NT +1.00 (13) · a suit +1.03 (36)

vs par by level: part-score +1.19 (16) · game +0.71 (28) · slam +2.20 (5)

By role: declaring -0.91/bd (-1.92 vs par · 25) · defending -0.22/bd (+4.08 vs par · 24)

By vulnerability: vulnerable +0.23/bd (+1.92 vs par · 25) · not vulnerable -1.40/bd (+0.08 vs par · 24)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Z.LiaoB.Callaghan – C.DuckworthOpen7-5.1-0.73+0.71
Round 3Z.LiaoW.Fok – I.HoOpen7+11.5+1.64+1.43
Round 4D.ZhangY.Atabey – U.SemerciClosed7-3.3-0.47+1.00
Round 5D.ZhangX.Li – R.ZhangClosed7-8.8-1.26-0.71
Round 6D.ZhangG.Narkiewicz – N.SakowskaClosed7+4.2+0.60+3.29
Round 7Z.LiaoJ.Liu – Y.LiClosed7-29.7-4.24-1.00
Round 8Z.LiaoS.Baisamut – E.SophonpanichClosed7+3.2+0.46+2.43

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
+11.1Round 3BLING161NTx♣3+3+12
+7.1Round 4ATABEY236♥♦3-1+17
+6.2Round 4ATABEY263♠♣A-1+13
+6.2Round 6JOEL143NTxx♠Q-1+11
+5.8Round 3BLING153♥♣K+1+4
+4.6Round 8THAILAND274♠♦Q-1+5
+3.9Round 7CHIME193♥♠3=+6
+3.6Round 5BEYOND72NT♥4=+0
+3.4Round 6JOEL126♠x♦8-4+12
+3.3Round 6JOEL85♥♣2-2+11
+3.2Round 5BEYOND15♥♠2+1-1
+2.5Round 8THAILAND233NT♠K-1+12
+2.1Round 8THAILAND255♠x♦A-2+0
+2.0Round 1BINKIE33NT♥2=+3
+1.9Round 1BINKIE65♦♥A-1+5
+1.9Round 4ATABEY243NT♣J+1-1
+1.8Round 8THAILAND284♥♦A-1+3
+1.4Round 3BLING204♥♠A+1+0
+1.2Round 8THAILAND222♠♥Q-1+4
+1.0Round 3BLING214♠♦6+1+0
+0.4Round 1BINKIE41NT♥2=+11
+0.3Round 6JOEL94♥♣9+1+0
+0.1Round 3BLING194♥♣2+1+0
+0.1Round 5BEYOND24♥♠J+1+0
-0.1Round 4ATABEY253NT♦J=+0
-0.3Round 1BINKIE24♥♦K+1+0
-0.4Round 3BLING173♠♥K-1+5
-0.6Round 6JOEL131NT♥5+2-10
-0.6Round 7CHIME175♦♠4=+11
-1.1Round 6JOEL104♥♥3+1+0
-1.2Round 7CHIME153♣♥3+2-2
-1.3Round 1BINKIE74♥♦J=+1
-1.3Round 4ATABEY273♠♣A-2+0
-1.5Round 5BEYOND64♠♦A=+1
-2.1Round 1BINKIE53NT♠Q-2-5
-2.8Round 7CHIME203♠♦J-1-5
-3.3Round 5BEYOND43NT♥10+1+1
-3.8Round 4ATABEY284♥♠A-1-5
-4.1Round 8THAILAND263♠♣Q-1+0
-4.6Round 7CHIME163♠♣4-1-6
-4.9Round 8THAILAND243♦♦2+2-7
-5.4Round 5BEYOND34♥♣J+1+0
-5.5Round 5BEYOND53♣♣2-2-6
-5.7Round 1BINKIE13NT♠2-1-10
-7.3Round 6JOEL116♠♦8+1-1
-7.5Round 3BLING183NT♥10-3-11
-9.0Round 7CHIME214♠♦3+1-11
-13.3Round 4ATABEY226♣♥10-2-17
-15.4Round 7CHIME187♠♥K=+0