CHEN Chi Hua · YEH BROS TWO

175rank
+21.0Butler · 42 bds
+0.50per board
±4.7swing
-1.90vs par /bd · #515/579
+0.66adjusted /bd
Butler per round: -3.4 24.4 -8.3 14.3 4 -10by round

vs par split: bidding -0.55 · play -1.36

Strength of schedule: opponents averaged +0.16/bd (a tough draw) → opponent-adjusted +0.66/bd

Card play — on target: opening leads 87.5% #115 of 579 · declarer play 66.7% #391 of 579 · defence 84.2% #365 of 579

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (3)80.0% (5)
Declarer play71.4% (7)62.5% (8)
Defence83.3% (6)84.6% (13)

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

vs par by strain: NT -3.73 (15) · a suit -0.89 (27)

vs par by level: part-score +0.68 (19) · game -4.14 (22) · slam -2.00 (1)

By role: declaring +0.31/bd (-5.22 vs par · 23) · defending +0.73/bd (+2.10 vs par · 19)

By vulnerability: vulnerable +0.86/bd (-2.18 vs par · 22) · not vulnerable +0.10/bd (-1.60 vs par · 20)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1C.LinR.Chen – J.HuangOpen7-3.4-0.49-2.29
Round 4C.LinT.Asbi – R.TobingOpen7+24.4+3.49-2.71
Round 5C.LinK.Jassem – M.MazurkiewiczOpen7-8.3-1.19-0.29
Round 6L.HuH.Eide – K.EllingsenOpen7+14.3+2.04-0.71
Round 7L.HuK.Karaivanov – R.TrendafilovOpen7+4.0+0.57+0.00
Round 8C.LinM.Zur-Campanile – J.McallisterClosed7-10.0-1.43-5.43

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
+11.4Round 4PERTAMINA EP266♦♣K=-2
+9.8Round 4PERTAMINA EP234NT♦10+2-13
+9.6Round 6NORWAY JUNIORS103♦x♣Q-3+12
+9.0Round 7PENFOLD162♠x♣7-4+5
+6.5Round 6NORWAY JUNIORS123NT♠2+1+0
+4.3Round 8MCALLISTER255♦♥K=+0
+3.9Round 4PERTAMINA EP275♣♦A+1+1
+3.0Round 1GENTLE73NT♥J+1+0
+2.9Round 5MAZURKIEWICZ42♠♣2+2+10
+2.8Round 6NORWAY JUNIORS114♣♦6-1+5
+2.8Round 7PENFOLD181NT♥5+1-1
+2.7Round 6NORWAY JUNIORS131NT♠Q-2+2
+2.6Round 8MCALLISTER245♥♠K=+0
+1.9Round 5MAZURKIEWICZ33NT♠J-2+6
+1.8Round 5MAZURKIEWICZ13NT♥7=+0
+1.6Round 1GENTLE32♣♦9=+1
+1.6Round 7PENFOLD173♦♠K-2+1
+0.8Round 4PERTAMINA EP283NT♣4-1+6
+0.6Round 5MAZURKIEWICZ22♥♠10+1+0
+0.5Round 1GENTLE12♠♦J=+5
+0.5Round 6NORWAY JUNIORS95♦♣A=-13
+0.2Round 1GENTLE52♠♥4+1+0
-0.0Round 4PERTAMINA EP222♥♦A+1+0
-0.0Round 4PERTAMINA EP253NT♥Q+2-12
-0.1Round 1GENTLE23NT♥5-1-5
-0.3Round 7PENFOLD204♥♠J+2+13
-0.4Round 7PENFOLD193♦♠A=+1
-0.4Round 8MCALLISTER232NT♦3=+0
-0.9Round 8MCALLISTER273♣♠10-1-4
-1.0Round 5MAZURKIEWICZ74♠♦2=+0
-1.3Round 5MAZURKIEWICZ51♥♣A+3-1
-1.5Round 4PERTAMINA EP243NT♠5+1+1
-1.8Round 8MCALLISTER283♥♣6-1-10
-2.0Round 7PENFOLD214♠♦2-1-5
-2.4Round 1GENTLE42♠♥K=-6
-3.6Round 6NORWAY JUNIORS83♣♦J+1-7
-4.0Round 8MCALLISTER225♠♥5-1-12
-4.2Round 6NORWAY JUNIORS145♥♠A=-4
-6.2Round 1GENTLE63NT♦Q=-11
-6.7Round 7PENFOLD154♠♣K-1-14
-9.8Round 8MCALLISTER263NT♠3-1-12
-13.2Round 5MAZURKIEWICZ63NT♠3+4-17