GAWRYS Piotr · MAZURKIEWICZ

390rank
-8.7Butler · 42 bds
-0.21per board
±3.3swing
-1.29vs par /bd · #436/579
+0.23adjusted /bd
Butler per round: -3.5 1.9 8.9 -12.4 5.6 -9.2by round

vs par split: bidding -1.60 · play +0.31

Strength of schedule: opponents averaged +0.44/bd (a tough draw) → opponent-adjusted +0.23/bd

Card play — on target: opening leads 75.0% #317 of 579 · declarer play 60.0% #456 of 579 · defence 100.0% #1 of 579

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (4)100.0% (4)
Declarer play50.0% (2)62.5% (8)
Defence100.0% (7)100.0% (13)

Opening leads by suit led: ♥ 100.0% (1) · ♦ 75.0% (4) · ♣ 66.7% (3)

vs par by strain: NT +0.47 (15) · a suit -2.26 (27)

vs par by level: part-score +0.35 (17) · game -2.00 (20) · slam -4.00 (5)

By role: declaring -0.40/bd (-6.09 vs par · 22) · defending +0.01/bd (+4.00 vs par · 20)

By vulnerability: vulnerable +0.06/bd (-3.18 vs par · 22) · not vulnerable -0.50/bd (+0.80 vs par · 20)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3M.KlukowskiG.Brekka – K.BaumannOpen7-3.5-0.50-2.00
Round 4M.KlukowskiW.Chan – K.ChiuClosed7+1.9+0.27-4.71
Round 5M.KlukowskiY.Zhong – L.HuClosed7+8.9+1.27+1.00
Round 6M.KlukowskiU.Kasimir – P.JokischOpen7-12.4-1.77+1.14
Round 7M.KlukowskiJ.Skrzypczak – B.GierulskiClosed7+5.6+0.80+2.00
Round 8M.KlukowskiX.Li – Z.HeOpen7-9.2-1.31-5.14

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
+7.4Round 5YEH BROS TWO43NT♣5-1+12
+5.0Round 6KASIMIRS DREAMTEAM123NT♠2-2+11
+4.1Round 3KCB194♠♦7+3-17
+3.9Round 4HEY YO275♣♦A+1+1
+3.9Round 5YEH BROS TWO67♠x♥Q-8-6
+3.7Round 7VITAS162♦♠9+3+10
+3.0Round 3KCB203NT♠10+1-12
+2.9Round 7VITAS154♦♣2=+13
+2.6Round 5YEH BROS TWO13NT♥7+1+1
+2.6Round 8P D PIONEERS245♥♠Q=+0
+2.4Round 8P D PIONEERS283♥♣6=-7
+2.2Round 3KCB172♥♦A+1+0
+2.0Round 7VITAS214♠♥6-1+5
+2.0Round 8P D PIONEERS263NT♠3=+0
+1.8Round 7VITAS182NT♥2-1+5
+0.8Round 4HEY YO283NT♣4-1+6
+0.6Round 5YEH BROS TWO23♥♣6=+0
+0.3Round 7VITAS204♠♦2+2-13
-0.0Round 4HEY YO222♥♦A+1+0
-0.0Round 4HEY YO253NT♥K+2-12
-0.1Round 4HEY YO265♦♣Q+1-13
-0.4Round 5YEH BROS TWO53♥♣A=+0
-0.4Round 8P D PIONEERS231NT♦6+1+0
-0.6Round 3KCB181NT♥3-2+0
-0.7Round 4HEY YO245♦♠Q=+2
-1.0Round 5YEH BROS TWO74♠♦5=+0
-1.2Round 6KASIMIRS DREAMTEAM93NT♣6+1+12
-1.6Round 7VITAS173♣♦5=-1
-2.0Round 3KCB152♠♦6=+0
-2.0Round 4HEY YO236♣♦10-1-17
-2.1Round 6KASIMIRS DREAMTEAM102NT♣8-2-2
-2.2Round 8P D PIONEERS274♣♥10-2-5
-2.7Round 6KASIMIRS DREAMTEAM131NT♠A-2-2
-3.3Round 6KASIMIRS DREAMTEAM83NT♦J+1+0
-3.5Round 7VITAS193♣♥10-1-5
-4.0Round 6KASIMIRS DREAMTEAM144♠x♥J-1-5
-4.0Round 8P D PIONEERS226NT♣Q-1-12
-4.1Round 6KASIMIRS DREAMTEAM115♣♣2-2-6
-4.2Round 5YEH BROS TWO33♣♦7+1+0
-5.0Round 3KCB166♦♣A=+2
-5.2Round 3KCB216♠♥J+1+13
-9.6Round 8P D PIONEERS255♥♠A-1-12