ROSENBERG Michael · FLEISHER
61rank
+56.8Butler · 80 bds
+0.71per board
±4.5swing
+0.33vs par /bd · #181/471
+0.93adjusted /bd
by round
vs par split: bidding -0.20 · play +0.53
Strength of schedule: opponents averaged +0.22/bd (a tough draw) → opponent-adjusted +0.93/bd
Card play — on target: opening leads 63.6% #443 of 469 · declarer play 100.0% #1 of 469 · defence 97.3% #7 of 471
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 0.0% (4) | 77.8% (18) |
| Declarer play | 100.0% (4) | 100.0% (13) |
| Defence | 100.0% (7) | 96.7% (30) |
Opening leads by suit led: ♠ 80.0% (5) · ♥ 66.7% (3) · ♦ 54.5% (11) · ♣ 66.7% (3)
vs par by strain: NT -0.14 (21) · a suit +0.49 (59)
vs par by level: part-score +0.41 (27) · game +0.98 (44) · slam -3.11 (9)
By role: declaring +1.50/bd (-1.53 vs par · 43) · defending -0.20/bd (+2.49 vs par · 37)
By vulnerability: vulnerable +1.24/bd (+1.38 vs par · 40) · not vulnerable +0.18/bd (-0.72 vs par · 40)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 6 | C.Willenken | M.Gordon – P.Rajadhyaksha | Open | 10 | +7.9 | +0.79 | -1.40 |
| Round 7 | C.Willenken | J.George – F.Karwur | Closed | 10 | -5.8 | -0.58 | -1.20 |
| Round 9 | C.Willenken | E.Wackwitz – C.Westerbeek | Closed | 10 | +15.5 | +1.55 | +4.50 |
| Round 10 | C.Willenken | M.Zhu – Y.Chen | Closed | 10 | +12.9 | +1.29 | +1.60 |
| Round 11 | C.Willenken | Z.Shi – C.Ju | Open | 10 | -1.5 | -0.15 | -0.70 |
| Round 12 | C.Willenken | S.De Wijs – B.Muller | Open | 10 | +0.2 | +0.02 | +2.50 |
| Round 14 | C.Willenken | J.Dai – L.Yang | Closed | 10 | +21.8 | +2.18 | -1.30 |
| Round 15 | C.Willenken | J.Li – Z.Fu | Closed | 10 | +5.8 | +0.58 | -1.40 |
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 |
|---|---|---|---|---|---|---|---|
| +10.0 | Round 15 | P D TIMES | 29 | 4♥ | ♠Q | = | +10 |
| +9.0 | Round 11 | CHINA OPEN | 18 | 3NT | ♠2 | +1 | +0 |
| +8.1 | Round 9 | DUTCH WORLD YOUTH CH | 27 | 6♥ | ♣Q | = | +0 |
| +8.0 | Round 9 | DUTCH WORLD YOUTH CH | 29 | 3NT | ♣8 | +4 | +11 |
| +7.9 | Round 6 | GORDON | 29 | 3NT | ♣3 | = | +0 |
| +7.8 | Round 12 | GROMOV | 29 | 6♦ | ♦9 | = | +0 |
| +7.7 | Round 11 | CHINA OPEN | 16 | 3♥ | ♠4 | +1 | +10 |
| +6.8 | Round 6 | GORDON | 26 | 6♠ | ♠2 | = | +0 |
| +6.8 | Round 10 | CHINA HYX | 9 | 3NTx | ♣2 | -1 | +8 |
| +6.8 | Round 14 | SAIC VW | 12 | 3NT | ♥6 | = | -1 |
| +6.5 | Round 7 | INDONESIA OPEN ME | 3 | 5♣ | ♣2 | = | +0 |
| +5.9 | Round 14 | SAIC VW | 18 | 5♥ | ♠A | = | +0 |
| +5.5 | Round 11 | CHINA OPEN | 11 | 3♣ | ♠J | +2 | +13 |
| +5.3 | Round 9 | DUTCH WORLD YOUTH CH | 23 | 4♥ | ♠8 | -1 | +12 |
| +5.0 | Round 14 | SAIC VW | 11 | 6♠ | ♣A | +1 | -11 |
| +4.9 | Round 10 | CHINA HYX | 5 | 2♦ | ♦10 | +2 | +7 |
| +4.4 | Round 14 | SAIC VW | 15 | 3NT | ♥6 | = | +0 |
| +4.2 | Round 11 | CHINA OPEN | 13 | 3NT | ♠2 | +1 | +0 |
| +4.1 | Round 11 | CHINA OPEN | 20 | 5♣ | ♥2 | +1 | +3 |
| +3.7 | Round 10 | CHINA HYX | 4 | 4♥ | ♥2 | -2 | +8 |
| +3.2 | Round 9 | DUTCH WORLD YOUTH CH | 26 | 3♠ | ♣9 | +1 | +10 |
| +3.1 | Round 15 | P D TIMES | 25 | 3NT | ♦J | -1 | +5 |
| +2.8 | Round 7 | INDONESIA OPEN ME | 8 | 4♠ | ♠2 | +1 | +0 |
| +2.7 | Round 6 | GORDON | 27 | 2♥ | ♣5 | -1 | -4 |
| +2.6 | Round 10 | CHINA HYX | 10 | 4♥ | ♠J | -1 | +6 |
| +2.5 | Round 12 | GROMOV | 21 | 3NT | ♥Q | -1 | +5 |
| +2.5 | Round 15 | P D TIMES | 27 | 1NT | ♥5 | = | +0 |
| +2.4 | Round 6 | GORDON | 24 | 4♥ | ♦A | -1 | +5 |
| +2.4 | Round 9 | DUTCH WORLD YOUTH CH | 24 | 4♠ | ♥K | = | +0 |
| +2.4 | Round 14 | SAIC VW | 20 | 3♦ | ♠7 | -1 | +5 |
| +2.0 | Round 11 | CHINA OPEN | 12 | 4♥ | ♦Q | +1 | +0 |
| +1.6 | Round 9 | DUTCH WORLD YOUTH CH | 25 | 2♥ | ♦A | = | +5 |
| +1.5 | Round 12 | GROMOV | 27 | 7NT | ♠6 | = | +0 |
| +1.3 | Round 9 | DUTCH WORLD YOUTH CH | 30 | 2♠ | ♣6 | -3 | +6 |
| +1.3 | Round 10 | CHINA HYX | 6 | 4♥ | ♣A | = | +0 |
| +0.9 | Round 12 | GROMOV | 28 | 4♥ | ♦A | +2 | +11 |
| +0.7 | Round 14 | SAIC VW | 13 | 3NT | ♥J | +1 | +1 |
| +0.6 | Round 12 | GROMOV | 25 | 4♥ | ♠A | = | +0 |
| +0.4 | Round 14 | SAIC VW | 16 | 6♣x | ♦2 | -2 | +0 |
| +0.4 | Round 15 | P D TIMES | 28 | 4♠ | ♦8 | +1 | -13 |
| +0.3 | Round 6 | GORDON | 21 | 4♠ | ♣6 | = | -1 |
| +0.3 | Round 15 | P D TIMES | 24 | 4♥ | ♦K | +2 | +1 |
| +0.1 | Round 15 | P D TIMES | 30 | 3NT | ♦2 | +2 | -1 |
| -0.0 | Round 7 | INDONESIA OPEN ME | 10 | 2♥ | ♣4 | -1 | +1 |
| -0.1 | Round 14 | SAIC VW | 14 | 4♠ | ♥Q | +2 | -8 |
| -0.2 | Round 7 | INDONESIA OPEN ME | 6 | 4♥ | ♦5 | = | +1 |
| -0.3 | Round 7 | INDONESIA OPEN ME | 5 | 3♥ | ♥9 | = | +0 |
| -0.3 | Round 15 | P D TIMES | 22 | 2♠ | ♣K | -1 | -7 |
| -0.4 | Round 10 | CHINA HYX | 8 | 1NT | ♦Q | = | +1 |
| -0.6 | Round 15 | P D TIMES | 21 | 3♥ | ♣J | -1 | -3 |
| -0.8 | Round 9 | DUTCH WORLD YOUTH CH | 22 | 2♠ | ♦3 | +1 | +0 |
| -0.8 | Round 12 | GROMOV | 26 | 4♠ | ♦A | -2 | +0 |
| -1.0 | Round 6 | GORDON | 23 | 1NT | ♠2 | = | -1 |
| -1.2 | Round 6 | GORDON | 22 | 5♣x | ♦K | -1 | +0 |
| -1.2 | Round 7 | INDONESIA OPEN ME | 9 | 3♠ | ♦Q | = | +0 |
| -1.3 | Round 10 | CHINA HYX | 2 | 2♥ | ♦K | = | -5 |
| -1.4 | Round 10 | CHINA HYX | 3 | 5♣ | ♦Q | -2 | +2 |
| -1.6 | Round 10 | CHINA HYX | 7 | 2♥ | ♦4 | +1 | +0 |
| -1.7 | Round 10 | CHINA HYX | 1 | 5♣ | ♦K | +1 | -11 |
| -1.7 | Round 14 | SAIC VW | 19 | 5♣ | ♦K | +2 | +4 |
| -1.9 | Round 7 | INDONESIA OPEN ME | 7 | 4♥ | ♣6 | = | +0 |
| -1.9 | Round 9 | DUTCH WORLD YOUTH CH | 21 | 1♠ | ♥5 | +1 | +1 |
| -2.0 | Round 7 | INDONESIA OPEN ME | 4 | 4♥ | ♣5 | -2 | -3 |
| -2.0 | Round 14 | SAIC VW | 17 | 2♦ | ♠J | -4 | -3 |
| -2.1 | Round 12 | GROMOV | 24 | 5♠ | ♦2 | -1 | +2 |
| -2.4 | Round 6 | GORDON | 28 | 4♥ | ♠4 | = | +0 |
| -2.4 | Round 12 | GROMOV | 23 | 3NT | ♣9 | +2 | +12 |
| -2.6 | Round 6 | GORDON | 25 | 2♥ | ♣6 | = | -6 |
| -2.7 | Round 12 | GROMOV | 22 | 3NT | ♥A | -1 | -5 |
| -3.2 | Round 11 | CHINA OPEN | 14 | 2♠ | ♣10 | -1 | -4 |
| -3.6 | Round 15 | P D TIMES | 26 | 2♥ | ♠J | = | -6 |
| -4.1 | Round 7 | INDONESIA OPEN ME | 2 | 2♠x | ♦Q | -2 | -2 |
| -5.0 | Round 6 | GORDON | 30 | 3♣ | ♣2 | +1 | -7 |
| -5.1 | Round 12 | GROMOV | 30 | 6♠ | ♠2 | = | +0 |
| -5.4 | Round 7 | INDONESIA OPEN ME | 1 | 3NT | ♣Q | -2 | -9 |
| -5.4 | Round 11 | CHINA OPEN | 17 | 3NT | ♦6 | = | +1 |
| -6.1 | Round 15 | P D TIMES | 23 | 3♠ | ♣4 | = | +0 |
| -11.7 | Round 9 | DUTCH WORLD YOUTH CH | 28 | 7♥ | ♦J | = | +0 |
| -12.5 | Round 11 | CHINA OPEN | 15 | 3NTx | ♣6 | -3 | -13 |
| -12.9 | Round 11 | CHINA OPEN | 19 | 6NT | ♥3 | -1 | -17 |