Strategy

Plans built only from the evidence.

Every line below is a measured split or record from the data, with the sample behind it. Nothing here is a prediction.

KJ O'Brien, Men's T20I

Chasing: average of 18.8, 5.0 below their average of 23.8 on all balls faced (-21%) — allowing for sample size, that change is in the bottom 9% of comparable players (their median change: -3%) — 552 balls faced.
Sample: 552 balls · high confidence
Middle (7-15): strike rate of 118.3, 13.4 below their strike rate of 131.7 on all balls faced (-10%) — allowing for sample size, that change is in the bottom 14% of comparable players (their median change: -3%) — 574 balls faced.
Sample: 574 balls · high confidence
Ireland: average of 19.7, 4.1 below their average of 23.8 on all balls faced (-17%) — allowing for sample size, that change is in the bottom 14% of comparable players (their median change: +7%) — 286 balls faced.
Sample: 286 balls · medium confidence
At home: average of 19.7, 4.1 below their average of 23.8 on all balls faced (-17%) — allowing for sample size, that change is in the bottom 16% of comparable players (their median change: +2%) — 286 balls faced.
Sample: 286 balls · medium confidence
Right-arm fast-medium: average of 20.2, 3.6 below their average of 23.8 on all balls faced (-15%) — allowing for sample size, that change is in the bottom 21% of comparable players (their median change: +1%) — 399 balls faced.
Sample: 399 balls · medium confidence

Batting first: average of 29.5, 5.7 above their average of 23.8 on all balls faced (+24%) — allowing for sample size, that change is in the top 6% of comparable players (their median change: +2%) — 641 balls faced.
Sample: 641 balls · high confidence
Spin: average of 25.6, 1.8 above their average of 23.8 on all balls faced (+7%) — allowing for sample size, that change is in the top 27% of comparable players (their median change: -3%) — 490 balls faced.
Sample: 490 balls · high confidence
Slow left-arm orthodox: strike rate of 144.8, 13.1 above their strike rate of 131.7 on all balls faced (+10%) — allowing for sample size, that change is in the top 9% of comparable players (their median change: -3%) — 221 balls faced.
Sample: 221 balls · low confidence
Death (16-20): strike rate of 181.7, 50.0 above their strike rate of 131.7 on all balls faced (+38%) — allowing for sample size, that change is in the top 26% of comparable players (their median change: +12%) — 164 balls faced.
Sample: 164 balls · low confidence

Away from home: average of 19.0, 2.9 above their average of 16.1 on all balls bowled (+18%) — allowing for sample size, that change is in the bottom 17% of comparable players (their median change: +1%) — 395 balls bowled.
Sample: 395 balls · medium confidence

Middle (7-15): economy of 6.19, 0.92 below their economy of 7.11 on all balls bowled (-13%) — allowing for sample size, that change is in the top 6% of comparable players (their median change: -2%) — 350 balls bowled.
Sample: 350 balls · low confidence

Bowling type
Bowling type	Balls	Runs	Outs	Avg	SR	Dot %	4s+6s %
Right-arm fast-medium	399	524	26	20.15	131.33	35.6%	17.5%
Slow left-arm orthodox	221	320	12	26.67	144.80	33.9%	17.2%
Off break	135	155	7	22.14	114.81	35.6%	13.3%
Right-arm medium	134	193	7	27.57	144.03	30.6%	17.2%
Leg break	121	149	6	24.83	123.14	30.6%	12.4%
Left-arm fast-medium	120	142	3	47.33	118.33	45.8%	17.5%

Phase
Phase	Balls	Runs	Outs	Avg	SR	Dot %	4s+6s %
Middle (7-15)	574	679	27	25.15

Batter
Batter	Balls	Runs	Wkts	Avg	Econ	Balls/wkt	Dot %	4s+6s %
Right-handed batters	466	551	34	16.21	7.09	13.7	38.4%	13.9%
Left-handed batters	133	159	10	15.90	7.17	13.3	35.3%	10.5%

Phase
Phase	Balls	Runs	Wkts	Avg	Econ	Balls/wkt	Dot %	4s+6s %
Middle (7-15)	350	361	26	13.88	6.19	13.5	38.9%	9.7%
Death (16-20)	147	212	13	16.31	8.65	11.3	34.0%	17.7%
Powerplay (1-6)	102	137	5	27.40	8.06	20.4	39.2%	18.6%