KOISTINEN Kauko · FINLAND
75rank
+40.2Butler · 96 bds
+0.42per board
±4.1swing
+1.08vs par /bd · #32/268
+0.58adjusted /bd
by round
vs par split: bidding +0.53 · play +0.55
Strength of schedule: opponents averaged +0.16/bd (a tough draw) → opponent-adjusted +0.58/bd
Card play — on target: opening leads 77.3% #153 of 268 · declarer play 68.8% #140 of 268 · defence 90.0% #58 of 268
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (4) | 72.2% (18) |
| Declarer play | 80.0% (5) | 63.6% (11) |
| Defence | 84.6% (13) | 91.9% (37) |
Opening leads by suit led: ♠ 75.0% (4) · ♥ 66.7% (6) · ♦ 71.4% (7) · ♣ 100.0% (5)
vs par by strain: NT +0.45 (29) · a suit +1.36 (67)
vs par by level: part-score -0.61 (31) · game +1.49 (59) · slam +5.83 (6)
By role: declaring +0.98/bd (-1.09 vs par · 46) · defending -0.10/bd (+3.08 vs par · 50)
By vulnerability: vulnerable +0.57/bd (+1.92 vs par · 48) · not vulnerable +0.26/bd (+0.25 vs par · 48)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | V.Fagerlund | C.Teodorescu – I.Bacalu | Open | 12 | +0.9 | +0.07 | -0.17 |
| Round 2 | V.Fagerlund | S.Brock – H.Dhondy | Open | 12 | +20.1 | +1.68 | +2.33 |
| Round 3 | V.Fagerlund | T.Di Febo – L.Vecchi | Closed | 12 | +3.9 | +0.33 | +1.25 |
| Round 4 | J.Salonen | A.De Livera – A.Braithwaite | Closed | 12 | +1.1 | +0.09 | +1.00 |
| Round 5 | J.Salonen | A.Mesbur – N.Fitzgibbon | Closed | 12 | +19.1 | +1.59 | +0.42 |
| Round 6 | V.Fagerlund | G.Hampson – J.Seamon-Molson | Closed | 12 | +4.0 | +0.33 | +3.00 |
| Round 7 | J.Salonen | M.Brown – M.Whibley | Open | 12 | -19.1 | -1.59 | -0.67 |
| Round 8 | V.Fagerlund | Y.Zack – R.Pachtman | Open | 12 | +10.2 | +0.85 | +1.50 |
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.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +11.8 | Round 2 | ENGLAND WOMEN | 19 | 6♠ | ♦4 | -3 | +14 |
| +10.6 | Round 6 | USA MIX | 23 | 4♠ | ♥4 | -1 | +15 |
| +9.9 | Round 4 | BRAITHWAITE | 22 | 5♠x | ♠7 | = | +14 |
| +9.2 | Round 2 | ENGLAND WOMEN | 14 | 5♦ | ♠6 | = | +7 |
| +8.6 | Round 4 | BRAITHWAITE | 23 | 6♦x | ♠A | -2 | +7 |
| +7.7 | Round 2 | ENGLAND WOMEN | 21 | 6♥ | ♣4 | -1 | +14 |
| +7.0 | Round 1 | ROMANIA | 4 | 4♥ | ♣K | -2 | +13 |
| +6.4 | Round 3 | ITALIAN SENIORS | 3 | 5♦ | ♠K | = | +5 |
| +6.1 | Round 2 | ENGLAND WOMEN | 13 | 4♠ | ♦10 | = | +0 |
| +5.7 | Round 5 | IRELAND | 11 | 4♥x | ♦A | -1 | +8 |
| +5.5 | Round 6 | USA MIX | 21 | 3♦ | ♠3 | -2 | +6 |
| +4.9 | Round 8 | ISRAEL MIXED | 23 | 4♠ | ♥Q | -1 | +6 |
| +4.7 | Round 8 | ISRAEL MIXED | 16 | 3NT | ♣4 | = | +7 |
| +4.4 | Round 8 | ISRAEL MIXED | 21 | 1♠ | ♥A | +1 | +1 |
| +4.3 | Round 3 | ITALIAN SENIORS | 1 | 4♠ | ♣4 | +1 | +1 |
| +4.3 | Round 5 | IRELAND | 6 | 5♦x | ♠A | -3 | +4 |
| +4.2 | Round 1 | ROMANIA | 2 | 4♥ | ♠A | -1 | +10 |
| +4.1 | Round 1 | ROMANIA | 9 | 1NT | ♣K | = | +5 |
| +4.0 | Round 4 | BRAITHWAITE | 15 | 5♥x | ♦A | -2 | -5 |
| +3.5 | Round 8 | ISRAEL MIXED | 19 | 1NT | ♠A | +2 | +6 |
| +3.4 | Round 5 | IRELAND | 1 | 3NT | ♥6 | +2 | +4 |
| +2.8 | Round 3 | ITALIAN SENIORS | 9 | 4♥ | ♦K | -1 | +6 |
| +2.7 | Round 3 | ITALIAN SENIORS | 12 | 4♥ | ♦3 | -3 | +7 |
| +2.7 | Round 7 | PERO BUENO | 6 | 1NT | ♥J | -3 | -3 |
| +2.6 | Round 5 | IRELAND | 2 | 1NT | ♣J | -4 | +8 |
| +2.6 | Round 7 | PERO BUENO | 7 | 3NT | ♠2 | -1 | +6 |
| +2.4 | Round 5 | IRELAND | 4 | 2♠ | ♥2 | = | +0 |
| +2.3 | Round 1 | ROMANIA | 8 | 3NT | ♥10 | = | +0 |
| +2.1 | Round 1 | ROMANIA | 5 | 3NT | ♥2 | +2 | +0 |
| +1.9 | Round 1 | ROMANIA | 6 | 3NT | ♠K | +2 | -11 |
| +1.7 | Round 2 | ENGLAND WOMEN | 16 | 2♥ | ♦5 | = | +0 |
| +1.7 | Round 8 | ISRAEL MIXED | 18 | 3♦ | ♥8 | +1 | +2 |
| +1.6 | Round 3 | ITALIAN SENIORS | 5 | 5♦ | ♠A | -2 | +11 |
| +1.4 | Round 4 | BRAITHWAITE | 17 | 4♥ | ♣3 | -2 | +0 |
| +1.1 | Round 1 | ROMANIA | 1 | 3NT | ♠10 | +2 | +0 |
| +1.0 | Round 5 | IRELAND | 3 | 1NT | ♥2 | = | +5 |
| +0.9 | Round 5 | IRELAND | 12 | 4♠ | ♦6 | = | +0 |
| +0.8 | Round 7 | PERO BUENO | 1 | 4♥ | ♠3 | +1 | +1 |
| +0.8 | Round 8 | ISRAEL MIXED | 20 | 4♥ | ♦5 | +2 | +1 |
| +0.5 | Round 3 | ITALIAN SENIORS | 4 | 2♦ | ♦7 | +3 | +11 |
| +0.5 | Round 4 | BRAITHWAITE | 14 | 2♠ | ♣9 | +1 | -7 |
| +0.5 | Round 4 | BRAITHWAITE | 18 | 4♠ | ♠J | +1 | +0 |
| +0.5 | Round 6 | USA MIX | 24 | 4♠ | ♦J | = | +0 |
| +0.3 | Round 2 | ENGLAND WOMEN | 20 | 2♥ | ♦8 | +1 | +0 |
| +0.3 | Round 3 | ITALIAN SENIORS | 7 | 2♥ | ♣7 | = | +1 |
| +0.3 | Round 5 | IRELAND | 10 | 3♦ | ♣2 | +1 | -10 |
| +0.2 | Round 2 | ENGLAND WOMEN | 17 | 3NT | ♥Q | -1 | -6 |
| +0.2 | Round 2 | ENGLAND WOMEN | 22 | 4♥ | ♣3 | = | -1 |
| -0.0 | Round 6 | USA MIX | 13 | 3NT | ♣4 | +1 | +0 |
| -0.0 | Round 8 | ISRAEL MIXED | 24 | 3NT | ♥J | +1 | +1 |
| -0.1 | Round 3 | ITALIAN SENIORS | 10 | 4♠ | ♦Q | = | +0 |
| -0.1 | Round 5 | IRELAND | 9 | 3NT | ♠7 | +1 | -1 |
| -0.1 | Round 6 | USA MIX | 20 | 4♥ | ♦Q | +1 | +13 |
| -0.1 | Round 8 | ISRAEL MIXED | 15 | 3♥ | ♣Q | +1 | -10 |
| -0.2 | Round 1 | ROMANIA | 3 | 3NT | ♥6 | = | -1 |
| -0.2 | Round 5 | IRELAND | 5 | 4♠ | ♣4 | +2 | -9 |
| -0.4 | Round 5 | IRELAND | 7 | 4♥ | ♣7 | = | +0 |
| -0.5 | Round 6 | USA MIX | 17 | 2♥ | ♠Q | = | +0 |
| -0.7 | Round 2 | ENGLAND WOMEN | 15 | 5♠x | ♦K | -1 | +0 |
| -0.7 | Round 2 | ENGLAND WOMEN | 18 | 4♠ | ♥K | = | +0 |
| -0.7 | Round 7 | PERO BUENO | 12 | 2♠ | ♥5 | +2 | -1 |
| -0.8 | Round 5 | IRELAND | 8 | 3♦ | ♦2 | -1 | -4 |
| -0.8 | Round 6 | USA MIX | 14 | 5♦ | ♠J | -1 | -5 |
| -0.9 | Round 4 | BRAITHWAITE | 20 | 3NT | ♠10 | +1 | +12 |
| -0.9 | Round 6 | USA MIX | 19 | 5♠ | ♦Q | = | +13 |
| -1.0 | Round 7 | PERO BUENO | 10 | 3NT | ♥3 | = | +0 |
| -1.1 | Round 3 | ITALIAN SENIORS | 2 | 2♠ | ♥J | +1 | -6 |
| -1.1 | Round 8 | ISRAEL MIXED | 14 | 2♦ | ♣2 | -1 | +2 |
| -1.3 | Round 3 | ITALIAN SENIORS | 6 | 6♥ | ♠A | -1 | -11 |
| -1.3 | Round 7 | PERO BUENO | 4 | 1NT | ♥J | -3 | +7 |
| -1.4 | Round 8 | ISRAEL MIXED | 22 | 1NT | ♥10 | = | +2 |
| -1.5 | Round 6 | USA MIX | 15 | 4♠ | ♥Q | = | +0 |
| -1.7 | Round 7 | PERO BUENO | 5 | 4♠ | ♥A | = | +0 |
| -2.0 | Round 4 | BRAITHWAITE | 21 | 3♠ | ♥K | = | +0 |
| -2.1 | Round 4 | BRAITHWAITE | 24 | 4♥ | ♠K | = | +1 |
| -2.3 | Round 8 | ISRAEL MIXED | 17 | 3♠ | ♣5 | -2 | +0 |
| -2.5 | Round 1 | ROMANIA | 7 | 2NT | ♠2 | +2 | -10 |
| -2.7 | Round 6 | USA MIX | 22 | 4♠ | ♥K | = | -3 |
| -2.9 | Round 7 | PERO BUENO | 2 | 3♠ | ♦Q | +1 | -1 |
| -3.0 | Round 6 | USA MIX | 16 | 4♥ | ♠J | = | -3 |
| -3.1 | Round 6 | USA MIX | 18 | 2NT | ♥Q | = | +0 |
| -3.2 | Round 4 | BRAITHWAITE | 19 | 3NT | ♠6 | +2 | +10 |
| -3.2 | Round 7 | PERO BUENO | 11 | 3♠ | ♦10 | -1 | -5 |
| -3.7 | Round 7 | PERO BUENO | 9 | 4♠ | ♠2 | +2 | -1 |
| -4.2 | Round 7 | PERO BUENO | 3 | 3NT | ♠7 | -1 | -11 |
| -4.9 | Round 8 | ISRAEL MIXED | 13 | 4♠ | ♦K | = | +0 |
| -5.0 | Round 3 | ITALIAN SENIORS | 11 | 4♥ | ♠5 | = | -3 |
| -6.0 | Round 1 | ROMANIA | 10 | 3♦x | ♥A | -2 | -8 |
| -6.4 | Round 1 | ROMANIA | 11 | 4♠x | ♣Q | -1 | -11 |
| -6.5 | Round 7 | PERO BUENO | 8 | 3NT | ♠10 | = | +0 |
| -6.7 | Round 1 | ROMANIA | 12 | 6♦ | ♣A | = | +11 |
| -6.9 | Round 2 | ENGLAND WOMEN | 24 | 3NT | ♥7 | = | +0 |
| -7.2 | Round 3 | ITALIAN SENIORS | 8 | 3NT | ♠5 | = | -7 |
| -7.3 | Round 4 | BRAITHWAITE | 13 | 2♠ | ♥2 | +3 | -10 |
| -8.3 | Round 4 | BRAITHWAITE | 16 | 3NT | ♠7 | -1 | -10 |
| -8.8 | Round 2 | ENGLAND WOMEN | 23 | 7♥ | ♦10 | = | +0 |