🇯🇵 YAMADA Kazuhiko · JAPAN

42rank
-42.8Butler · 64 bds
-0.67per board
±3.4swing
-0.92vs par /bd
-0.42adjusted /bd
Butler per round: -42.8 -42.8 -42.8 -42.8by round

vs par split: bidding -0.52 · play -0.41

Strength of schedule: opponents averaged +0.25/bd (a tough draw) → opponent-adjusted -0.42/bd

Card play — on target: opening leads 63.6% · declarer play 78.6% · defence 89.7%

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (6)80.0% (5)
Declarer play0.0% (2)91.7% (12)
Defence87.5% (8)90.5% (21)

Opening leads by suit led: ♠ 25.0% (4) · ♥ 50.0% (2) · ♦ 100.0% (2) · ♣ 100.0% (3)

vs par by strain: NT -1.15 (13) · a suit -0.86 (51)

vs par by level: part-score +0.68 (22) · game -2.49 (35) · slam +1.86 (7)

By role: declaring -0.64/bd (-3.14 vs par · 35) · defending -0.71/bd (+1.76 vs par · 29)

By vulnerability: vulnerable -1.11/bd (+0.03 vs par · 32) · not vulnerable -0.23/bd (-1.88 vs par · 32)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalT.ImakuraD.Berkowitz – A.SontagOpen16-18.1-1.13-1.00
QuarterfinalM.InoN.Silverman – J.WolfsonClosed16+1.7+0.11-2.50
QuarterfinalM.InoM.Becker – A.GravesClosed16-4.7-0.29+1.69
QuarterfinalA.OmasaD.Berkowitz – A.SontagOpen16-21.7-1.36-1.88

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
+11.1Quarterfinal🇺🇸 USA2206♥♦A=+0
+9.4Quarterfinal🇺🇸 USA2277NT♣6=+0
+7.4Quarterfinal🇺🇸 USA256♠♥5-1+13
+3.9Quarterfinal🇺🇸 USA2311♥♣J-2+5
+3.6Quarterfinal🇺🇸 USA2832NT♠2+1+0
+3.3Quarterfinal🇺🇸 USA2575♦♥2=-2
+2.4Quarterfinal🇺🇸 USA2612♠♣Q-2+7
+2.1Quarterfinal🇺🇸 USA2885♠♣8=+0
+1.9Quarterfinal🇺🇸 USA2166♠♦9=+0
+1.7Quarterfinal🇺🇸 USA2593♥♣4=+1
+1.6Quarterfinal🇺🇸 USA2141♥x♣J-1+0
+1.4Quarterfinal🇺🇸 USA2644♠♦10+1+0
+1.1Quarterfinal🇺🇸 USA2622♥♦5+1+6
+1.0Quarterfinal🇺🇸 USA2124♠♥A-1-5
+1.0Quarterfinal🇺🇸 USA2323NT♥10=+0
+0.9Quarterfinal🇺🇸 USA2843♠♣6-1-6
+0.4Quarterfinal🇺🇸 USA2825♣♠A+1+5
+0.1Quarterfinal🇺🇸 USA2853NT♥6+1+0
-0.0Quarterfinal🇺🇸 USA264♠♣Q-1+4
+0.0Quarterfinal🇺🇸 USA2196♠♦6-1-11
+0.0Quarterfinal🇺🇸 USA2236♠♥K=+12
+0.0Quarterfinal🇺🇸 USA2285♥♦A=+0
+0.0Quarterfinal🇺🇸 USA2544♠♣6+1+0
+0.0Quarterfinal🇺🇸 USA2583NT♠J=+1
-0.3Quarterfinal🇺🇸 USA291NT♦A=+2
-0.3Quarterfinal🇺🇸 USA2524♥♠3=+0
-0.3Quarterfinal🇺🇸 USA2814♥♠10-2-6
-0.3Quarterfinal🇺🇸 USA2912♠x♣9-2-4
-0.4Quarterfinal🇺🇸 USA2152♠♦A-1+2
-0.4Quarterfinal🇺🇸 USA2604♥♠A+1+10
-0.4Quarterfinal🇺🇸 USA2934♠♦A=-1
-0.6Quarterfinal🇺🇸 USA2504♣♦5+1+6
-0.7Quarterfinal🇺🇸 USA213♠♣7-1-5
-0.7Quarterfinal🇺🇸 USA2224♠x♥7-1+0
-0.7Quarterfinal🇺🇸 USA2294♥♠4+1-1
-0.9Quarterfinal🇺🇸 USA2303NT♥Q=-11
-1.0Quarterfinal🇺🇸 USA273♦♠K-1+11
-1.0Quarterfinal🇺🇸 USA2494♥♦10=-1
-1.0Quarterfinal🇺🇸 USA2552♥♦Q=+0
-1.1Quarterfinal🇺🇸 USA2243♦♣3=+1
-1.1Quarterfinal🇺🇸 USA2944♠x♦A-2-4
-1.3Quarterfinal🇺🇸 USA244♥♣A-1-12
-1.3Quarterfinal🇺🇸 USA2253♣♦Q+1-7
-1.4Quarterfinal🇺🇸 USA2104♥♠K+1+0
-1.4Quarterfinal🇺🇸 USA2633NT♠4+2+11
-1.4Quarterfinal🇺🇸 USA2892♦♣A-1-3
-1.6Quarterfinal🇺🇸 USA2903♥♠A-1+0
-1.6Quarterfinal🇺🇸 USA2924♠♦K+1+0
-1.9Quarterfinal🇺🇸 USA282♥♣9-1-1
-2.3Quarterfinal🇺🇸 USA2265♦♠10+1-13
-2.4Quarterfinal🇺🇸 USA2533NT♠Q-2-2
-2.6Quarterfinal🇺🇸 USA2953♥♦6=+0
-3.0Quarterfinal🇺🇸 USA224♦♣A=-1
-3.1Quarterfinal🇺🇸 USA2513NT♥6+1+0
-3.7Quarterfinal🇺🇸 USA2181NT♠Q=+1
-4.3Quarterfinal🇺🇸 USA2964♥♦K=+0
-4.4Quarterfinal🇺🇸 USA2563NT♠5-1-10
-5.6Quarterfinal🇺🇸 USA2213NT♥3-2-7
-5.9Quarterfinal🇺🇸 USA2874♠♦A-1+1
-6.0Quarterfinal🇺🇸 USA2114♠♦3-2-11
-6.4Quarterfinal🇺🇸 USA2136♣♥8+1-1
-7.4Quarterfinal🇺🇸 USA2175♣x♠K-2-9
-7.6Quarterfinal🇺🇸 USA234♠x♣J=-12
-9.3Quarterfinal🇺🇸 USA2864♥♣Q+2-12