Katarzyna DUFRAT · EDMONDS

29rank
+57.4Butler · 70 bds
+0.82per board
±4.9swing
+0.44vs par /bd · #86/265
+1.11adjusted /bd
Butler per round: 34.8 2.5 3.8 6 12.6 -31 28.7by round

vs par split: bidding -0.59 · play +1.03

Strength of schedule: opponents averaged +0.29/bd (a tough draw) → opponent-adjusted +1.11/bd

Card play — on target: opening leads 73.3% #216 of 265 · declarer play 63.2% #211 of 265 · defence 92.3% #27 of 265

Bidding activity — not a pass: 49.0% #20 of 265 (99/202)

Card play by contract type — on target
vs NTvs a suit
Opening leads60.0% (5)80.0% (10)
Declarer play60.0% (5)64.3% (14)
Defence100.0% (6)90.0% (20)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 0.0% (1) · ♦ 83.3% (6) · ♣ 66.7% (3)

vs par by strain: NT -1.00 (20) · a suit +1.02 (50)

vs par by level: part-score +0.71 (31) · game -0.23 (35) · slam +4.25 (4)

By role: declaring +1.54/bd (-1.27 vs par · 44) · defending -0.39/bd (+3.35 vs par · 26)

By vulnerability: vulnerable +0.33/bd (+0.09 vs par · 34) · not vulnerable +1.28/bd (+0.78 vs par · 36)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2Piotr ZATORSKIKaan Doruk CETIN – Nuket AVSAR KOSEOGLUClosed10+34.8+3.48+5.20
Round 3Piotr ZATORSKICatherine CURTIS – Paul FEGARTYClosed10+2.5+0.25-0.80
Round 4Piotr ZATORSKIDEVI MUTHU BHATNAGAR – Rajesh Kumar JAINClosed10+3.8+0.38+0.30
Round 7Piotr ZATORSKIBen HANDLEY-PRITCHARD – Maggie KNOTTENBELTClosed10+6.0+0.60-2.40
Round 8Piotr ZATORSKIMarius GUENDEL – Kathrin SCHWALBACHClosed10+12.6+1.26+0.80
Round 9Piotr ZATORSKIVictoria ZHUKOVSKA – Volodymyr DRAGANOpen10-31.0-3.10-4.60
Round 11Piotr ZATORSKIYoko SOBEL – Ron NELKENClosed10+28.7+2.87+4.60

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
+11.7Round 4GLADIATORS II76♥♦J-1+17
+10.3Round 11ROIKO456NT♥4=+0
+9.5Round 2HEP MAVI183NT♠6=+11
+9.4Round 4GLADIATORS II83NT♠9=+7
+9.4Round 7SUSHI BELT105♦♠K=-13
+9.1Round 2HEP MAVI146♣♣5-2+14
+8.9Round 11ROIKO504♥♠8=+7
+8.5Round 8MIXED SIGNALS143NT♣J-3+11
+6.3Round 2HEP MAVI203NT♦J=-1
+5.9Round 2HEP MAVI175♦♣3+1+3
+5.8Round 8MIXED SIGNALS184♠♣K=-1
+5.4Round 7SUSHI BELT55♦x♣A-1+9
+5.1Round 2HEP MAVI193♦x♠8-1+14
+4.2Round 3BINGHAM293♠♣A-2+3
+4.2Round 11ROIKO474♥♠4=+0
+4.0Round 3BINGHAM252♠♥6+1+0
+3.9Round 8MIXED SIGNALS165♦x♠K-1+6
+2.8Round 2HEP MAVI153♠♥K+1+2
+2.8Round 3BINGHAM212♦♦T+1-1
+2.8Round 3BINGHAM271♠♦2+2+1
+2.7Round 9UKRAINE213♥♣K=+0
+2.6Round 8MIXED SIGNALS153♣♠6=+6
+2.4Round 7SUSHI BELT61NT♣6+2+2
+2.3Round 7SUSHI BELT44♥♠Q+1+1
+2.2Round 3BINGHAM263NT♠J=+0
+2.2Round 8MIXED SIGNALS134♠♦K+1+0
+2.0Round 11ROIKO494♥♦Q-1+10
+1.8Round 2HEP MAVI113NT♠9+2+11
+1.7Round 7SUSHI BELT13♦♣8=-7
+1.6Round 11ROIKO485♦x♥4-2+10
+1.5Round 4GLADIATORS II31♠x♥6-1+5
+1.4Round 11ROIKO424♥♥6+1+0
+1.3Round 2HEP MAVI123♦♣7+1+0
+1.2Round 7SUSHI BELT32NT♥3=-11
+1.1Round 11ROIKO442♦♥A+1+5
+0.8Round 8MIXED SIGNALS125♣♠8=-1
+0.7Round 9UKRAINE282♠♦9+1+7
+0.4Round 9UKRAINE221♠♦2=+0
+0.3Round 9UKRAINE253♠♥J-2+1
+0.3Round 11ROIKO432♥♦9=+7
+0.1Round 4GLADIATORS II21NT♥2-1+1
+0.1Round 11ROIKO414♥♣K+2+11
-0.3Round 9UKRAINE232NT♣K+1+1
-0.4Round 4GLADIATORS II103♣♦4+1+0
-0.6Round 3BINGHAM244♠♥5=-1
-0.7Round 7SUSHI BELT24♠♠Q=-1
-0.8Round 2HEP MAVI132♠♦K+2+1
-0.9Round 8MIXED SIGNALS113♥♣T-1+2
-1.0Round 4GLADIATORS II94♠♦4=+0
-1.2Round 8MIXED SIGNALS173NT♣8-1-10
-1.2Round 11ROIKO462♥♦J-1-4
-1.5Round 4GLADIATORS II62♥♠Q=+0
-1.6Round 3BINGHAM231NT♣K=+2
-1.8Round 9UKRAINE243♠♦K+1-1
-2.0Round 4GLADIATORS II54♥♣K+2-11
-2.2Round 8MIXED SIGNALS192♥x♥K-1-2
-2.3Round 7SUSHI BELT82♦♥A=-5
-3.1Round 3BINGHAM281NT♥5+1-6
-3.2Round 3BINGHAM222♦♦T+2-1
-4.6Round 7SUSHI BELT93NT♠K+2+10
-5.0Round 3BINGHAM303NT♠J-1-5
-5.6Round 4GLADIATORS II14♥♣2+1-4
-5.9Round 9UKRAINE273NT♣T-2-14
-6.2Round 2HEP MAVI163NTx♣4=-3
-6.2Round 9UKRAINE294♥♠3-1-12
-6.9Round 8MIXED SIGNALS204♠♦7=-3
-8.4Round 4GLADIATORS II43NT♥6-1-12
-8.7Round 9UKRAINE263NT♥T-3-14
-8.8Round 7SUSHI BELT74♠x♥A+2-9
-12.2Round 9UKRAINE306♥x♥A=-14