选手主页

Pranay Sampat

姓名: Pranay Sampat
地区: 印度
参赛次数: 14
WCA ID: Pranay Sampat2010SAMP01
性别: 男
参赛经历: 2010.02.06 - 2014.05.04
2023年度总结

个人最好成绩

项目地区排名洲际排名世界排名单次平均世界排名洲际排名地区排名金银铜复原/尝试
三阶120499092736611.9615.523432612769152912126/127
二阶10366155228423.255.022202964139771391/94
四阶11669702293931:09.811:22.47294929501122266/67
五阶6365965201732:31.112:40.91170895191577152/52
最少步35320447580511/2
单手100072521945625.5033.8722283837511711281/85
五魔方4463399132252:16.673:03.43132663417490229/30
金字塔16158594322667.7220.067675020666458524/24
SQ15913828185791:48.693:32.241412732304637/10

排名总和

 地区排名总和地区排名洲际排名总和洲际排名世界排名总和世界排名
单次1272779284516573530278620470
平均14799146292036962631964333134

奖牌汇总

金银铜
58
三阶
赛事轮次排名最好平均详情
Mumbai Summer Open 2014决赛4 14.34 16.40
14.34     20.73     14.77     17.69     16.73
初赛7 14.48 17.04
15.83     16.56     14.48     18.73     23.22
Techfest Mania 2014初赛7 15.59 17.13
16.50     19.89     18.13     16.75     15.59
DJ Open 2013决赛3 15.03 15.90
16.02     15.50     15.03     16.18     17.91
复赛7 17.99 19.14
19.64     19.50     18.28     20.68     17.99
初赛4 14.43 15.52
14.67     15.61     17.23     16.28     14.43
Mumbai Open 2013初赛8 11.96 17.66
18.38     12.80     22.59     11.96     21.80
DJ Open 2012决赛6 15.65 17.52
20.04     15.65     17.27     16.64     18.64
初赛5 17.18 17.51
17.51     17.71     17.18     17.32     18.52
Mumbai Open 2012决赛4 13.11 16.44
14.46     21.15     18.68     13.11     16.19
初赛4 17.06 
17.06     22.09
Shaastra Cube Open 2011决赛9 16.52 19.74
19.86     19.09     20.27     16.52     23.46
初赛4 15.02 17.68
15.02     18.27     18.53     16.33     18.44
DJ Speedcubing Open 2011决赛3 14.11 18.44
22.72     14.11     19.66     17.16     18.50
初赛2 12.55 17.59
19.38     18.16     17.30     12.55     17.30
SCMU 2011决赛4 19.78 20.38
20.22     19.78     20.77     20.16     21.18
初赛5 17.94 19.98
19.78     19.31     24.11     17.94     20.86
Indian Open 2011决赛6 15.38 21.29
15.38     21.93     19.91     22.02     22.80
初赛7 17.47 21.35
19.69     22.21     23.75     22.16     17.47
Mumbai Open 2011决赛2 18.68 20.32
20.27     19.25     21.43     22.05     18.68
初赛2 17.52 18.98
17.52     22.08     18.27     21.16     17.52
Shaastra Cube Open 2010决赛5 21.38 24.29
21.38     24.30     28.56     24.91     23.65
初赛3 21.96 23.69
25.43     30.00     21.96     22.52     23.11
Mumbai Challenge 2010决赛10 27.68 35.61
42.23     42.25     32.56     27.68     32.04
Mumbai Open 2010复赛27 44.58 54.46
59.93     DNF       58.03     44.58     45.43
初赛28 50.91 1:01.54
1:07.96   50.91     1:09.28   59.66     57.00
 
二阶
赛事轮次排名最好平均详情
Mumbai Summer Open 2014决赛11 4.83 7.36
5.91      5.51      4.83      13.07     10.65
初赛3 3.55 5.02
5.19      5.02      3.55      5.62      4.86
Techfest Mania 2014决赛3 3.34 5.07
4.75      7.88      3.62      3.34      6.84
初赛5 5.51 5.91
5.58      6.52      5.73      5.51      6.41
DJ Open 2013决赛9 4.33 5.82
6.21      6.68      4.33      5.28      5.96
复赛10 6.32 7.18
7.67      7.34      6.54      6.32      DNF
初赛11 4.56 7.11
8.40      6.92      6.85      4.56      7.56
Mumbai Open 2013初赛3 3.45 5.88
6.38      3.45      5.10      6.16      7.03
DJ Open 2012决赛3 3.29 5.62
4.66      6.34      3.29      7.43      5.85
初赛5 4.83 5.84
6.25      5.13      6.22      4.83      6.16
Mumbai Open 2012决赛6 3.25 5.91
6.90      5.15      3.25      7.03      5.69
Shaastra Cube Open 2011决赛8 5.11 7.21
6.06      6.55      5.11      9.02      10.27
初赛13 6.94 
6.94      7.75
SCMU 2011决赛4 6.86 7.71
7.30      7.41      10.22     8.43      6.86
Indian Open 2011决赛2 3.71 7.11
3.71      7.71      8.77      6.27      7.34
初赛3 5.72 7.06
9.46      7.19      7.00      5.72      7.00
Mumbai Open 2011决赛3 5.21 9.41
7.36      12.09     5.21      DNF       8.77
Shaastra Cube Open 2010决赛6 6.77 9.85
10.43     9.18      22.50     6.77      9.93
初赛2 5.52 
5.52      DNF
Mumbai Open 2010决赛15 26.69 29.12
34.93     29.28     28.00     30.09     26.69
 
四阶
赛事轮次排名最好平均详情
Mumbai Summer Open 2014初赛14 1:29.82 1:35.10
1:35.70   1:29.82   1:33.91   1:35.69   1:47.24
Techfest Mania 2014决赛8 1:13.93 1:25.73
1:18.59   1:13.93   1:38.77   1:39.16   1:19.84
初赛9 1:18.58 1:29.02
1:18.58   1:28.02   1:30.91   1:28.12   1:34.93
DJ Open 2013决赛7 1:13.70 1:22.47
1:30.73   1:19.87   1:25.14   1:22.41   1:13.70
初赛6 1:12.30 1:23.57
1:43.45   1:26.06   1:12.30   1:23.21   1:21.45
Mumbai Open 2013初赛11 1:19.04 1:37.54
DNF       1:45.18   1:24.82   1:19.04   1:42.63
DJ Open 2012初赛8 1:19.40 1:23.23
1:21.96   1:22.37   1:30.97   1:25.37   1:19.40
Mumbai Open 2012决赛7 1:10.80 1:28.08
1:36.28   1:10.80   1:38.05   1:23.75   1:24.22
Shaastra Cube Open 2011决赛4 1:09.81 1:26.68
1:13.97   1:09.81   1:42.50   1:23.61   1:42.47
初赛4 1:24.88 
1:24.88   1:24.88
SCMU 2011决赛7 1:34.15 1:59.61
1:55.55   1:34.15   2:10.75   2:18.47   1:52.52
Indian Open 2011决赛8 1:49.77 2:06.65
1:57.13   1:49.77   2:54.05   1:59.52   2:23.30
Mumbai Open 2011决赛4 1:38.91 1:52.14
1:57.61   1:46.75   1:38.91   1:52.05   3:04.88
Shaastra Cube Open 2010决赛5 2:12.30 2:17.28
2:16.90   2:19.25   2:33.88   2:12.30   2:15.69
 
五阶
赛事轮次排名最好平均详情
Mumbai Summer Open 2014初赛9 2:46.83 3:02.20
3:03.29   2:53.98   3:09.75   3:09.33   2:46.83
DJ Open 2013决赛6 2:43.21 2:45.88
2:43.21   2:46.08   2:44.34   2:54.98   2:47.23
初赛7 2:40.41 2:54.19
2:40.41   2:51.36   2:56.68   3:07.65   2:54.52
DJ Open 2012决赛6 2:31.11 2:40.91
3:12.96   2:42.58   2:48.29   2:31.86   2:31.11
Mumbai Open 2012决赛4 2:31.34 2:49.53
2:31.34   3:05.44   2:58.78   2:50.53   2:39.28
Shaastra Cube Open 2011决赛5 2:31.61 2:58.77
3:01.77   2:31.61   3:09.33   3:01.68   2:52.85
初赛3 2:55.13 
2:55.13   3:19.50
SCMU 2011决赛3 3:10.03 3:59.70
3:29.59   5:06.71   4:43.55   3:10.03   3:45.97
Indian Open 2011决赛5 4:13.28 4:42.55
4:45.44   4:47.40   4:43.69   4:38.53   4:13.28
Mumbai Open 2011决赛4 5:08.96 5:17.51
5:08.96   5:14.05   5:21.68   5:16.80   5:53.41
Shaastra Cube Open 2010决赛9 6:13.71 7:07.04
6:24.02   7:41.22   8:30.34   6:13.71   7:15.88
 
三盲
赛事轮次排名最好平均详情
Shaastra Cube Open 2011决赛13 DNF DNF
DNF       DNF       DNF
Indian Open 2011决赛4 DNF DNF
DNF       DNF       DNF
Mumbai Open 2011决赛4 DNF DNF
DNF       DNF       DNS
 
最少步
赛事轮次排名最好平均详情
Shaastra Cube Open 2011决赛6 51 
51
Shaastra Cube Open 2010决赛3 DNF 
DNF
 
单手
赛事轮次排名最好平均详情
Mumbai Summer Open 2014决赛6 27.19 35.10
40.99     35.12     27.19     47.14     29.20
初赛7 33.72 37.45
33.72     43.13     38.37     35.76     38.22
Techfest Mania 2014决赛7 31.58 35.93
37.81     31.58     33.18     39.73     36.80
初赛12 33.50 38.77
33.50     35.84     DNF       39.06     41.40
DJ Open 2013决赛5 27.42 33.94
55.36     31.45     37.76     32.61     27.42
初赛7 31.35 34.79
31.35     35.03     36.92     35.63     33.71
Mumbai Open 2013初赛14 28.93 DNF
33.36     37.07     28.93     DNF       DNF
DJ Open 2012决赛7 33.35 37.98
33.35     51.92     40.23     34.21     39.50
初赛7 25.50 36.09
37.62     46.82     26.60     44.05     25.50
Mumbai Open 2012决赛3 31.05 33.87
37.71     31.05     35.09     32.75     33.78
Shaastra Cube Open 2011决赛8 39.38 44.97
43.68     50.72     43.75     47.47     39.38
初赛6 33.83 
58.40     33.83
DJ Speedcubing Open 2011决赛2 31.52 38.48
40.05     31.52     36.56     57.97     38.83
SCMU 2011决赛6 34.72 45.53
53.02     52.16     40.65     34.72     43.78
Indian Open 2011决赛8 38.50 51.01
48.80     1:02.53   49.55     54.69     38.50
Mumbai Open 2011决赛3 38.36 47.76
46.03     44.19     1:09.15   53.06     38.36
Shaastra Cube Open 2010决赛8 1:06.09 1:34.27
1:41.86   1:11.03   DNF       1:49.91   1:06.09
Mumbai Open 2010初赛12 3:05.25 
3:16.47   3:05.25   3:38.00
 
五魔方
赛事轮次排名最好平均详情
Techfest Mania 2014决赛7 2:52.58 3:24.58
2:52.58   3:27.13   4:21.60   3:29.64   3:16.97
DJ Open 2013决赛5 2:59.04 3:26.81
3:16.01   3:18.06   3:46.35   2:59.04   DNF
Mumbai Open 2013决赛6 2:26.26 3:08.69
3:34.93   2:26.26   3:17.64   2:54.36   3:14.07
DJ Open 2012决赛5 2:16.67 3:03.43
3:31.83   3:05.86   3:13.02   2:16.67   2:51.40
Mumbai Open 2012决赛2 2:32.22 3:33.61
4:03.41   3:46.38   3:38.58   2:32.22   3:15.86
Shaastra Cube Open 2010决赛2 4:38.53 7:06.10
4:38.53   6:02.90   8:21.71   8:21.06   6:54.34
 
金字塔
赛事轮次排名最好平均详情
DJ Open 2013初赛20 12.87 22.69
17.65     45.57     18.65     31.78     12.87
DJ Open 2012决赛17 30.33 
46.84     30.33
Mumbai Open 2012决赛15 7.72 20.06
20.16     7.72      51.40     22.50     17.53
Shaastra Cube Open 2011初赛7 9.36 
15.78     9.36
SCMU 2011决赛12 15.66 23.48
29.44     15.66     22.06     20.03     28.34
Mumbai Open 2011决赛4 14.00 21.38
14.00     31.30     15.88     16.97     37.41
 
SQ1
赛事轮次排名最好平均详情
Shaastra Cube Open 2011决赛11 2:35.59 3:32.24
2:35.59   3:46.91   3:54.44   DNF       2:55.36
SCMU 2011决赛12 1:48.69 DNF
2:11.97   DNF       1:48.69   DNF       3:49.28
 
多盲
赛事轮次排名最好平均详情
Indian Open 2011决赛4 DNF 
DNF
Mumbai Summer Open 2014
项目轮次排名最好平均详情
三阶决赛4 14.34 16.40
14.34     20.73     14.77     17.69     16.73
初赛7 14.48 17.04
15.83     16.56     14.48     18.73     23.22
二阶决赛11 4.83 7.36
5.91      5.51      4.83      13.07     10.65
初赛3 3.55 5.02
5.19      5.02      3.55      5.62      4.86
四阶初赛14 1:29.82 1:35.10
1:35.70   1:29.82   1:33.91   1:35.69   1:47.24
五阶初赛9 2:46.83 3:02.20
3:03.29   2:53.98   3:09.75   3:09.33   2:46.83
单手决赛6 27.19 35.10
40.99     35.12     27.19     47.14     29.20
初赛7 33.72 37.45
33.72     43.13     38.37     35.76     38.22
 
Techfest Mania 2014
项目轮次排名最好平均详情
三阶初赛7 15.59 17.13
16.50     19.89     18.13     16.75     15.59
二阶决赛3 3.34 5.07
4.75      7.88      3.62      3.34      6.84
初赛5 5.51 5.91
5.58      6.52      5.73      5.51      6.41
四阶决赛8 1:13.93 1:25.73
1:18.59   1:13.93   1:38.77   1:39.16   1:19.84
初赛9 1:18.58 1:29.02
1:18.58   1:28.02   1:30.91   1:28.12   1:34.93
单手决赛7 31.58 35.93
37.81     31.58     33.18     39.73     36.80
初赛12 33.50 38.77
33.50     35.84     DNF       39.06     41.40
五魔方决赛7 2:52.58 3:24.58
2:52.58   3:27.13   4:21.60   3:29.64   3:16.97
 
DJ Open 2013
项目轮次排名最好平均详情
三阶决赛3 15.03 15.90
16.02     15.50     15.03     16.18     17.91
复赛7 17.99 19.14
19.64     19.50     18.28     20.68     17.99
初赛4 14.43 15.52
14.67     15.61     17.23     16.28     14.43
二阶决赛9 4.33 5.82
6.21      6.68      4.33      5.28      5.96
复赛10 6.32 7.18
7.67      7.34      6.54      6.32      DNF
初赛11 4.56 7.11
8.40      6.92      6.85      4.56      7.56
四阶决赛7 1:13.70 1:22.47
1:30.73   1:19.87   1:25.14   1:22.41   1:13.70
初赛6 1:12.30 1:23.57
1:43.45   1:26.06   1:12.30   1:23.21   1:21.45
五阶决赛6 2:43.21 2:45.88
2:43.21   2:46.08   2:44.34   2:54.98   2:47.23
初赛7 2:40.41 2:54.19
2:40.41   2:51.36   2:56.68   3:07.65   2:54.52
单手决赛5 27.42 33.94
55.36     31.45     37.76     32.61     27.42
初赛7 31.35 34.79
31.35     35.03     36.92     35.63     33.71
五魔方决赛5 2:59.04 3:26.81
3:16.01   3:18.06   3:46.35   2:59.04   DNF
金字塔初赛20 12.87 22.69
17.65     45.57     18.65     31.78     12.87
 
Mumbai Open 2013
项目轮次排名最好平均详情
三阶初赛8 11.96 17.66
18.38     12.80     22.59     11.96     21.80
二阶初赛3 3.45 5.88
6.38      3.45      5.10      6.16      7.03
四阶初赛11 1:19.04 1:37.54
DNF       1:45.18   1:24.82   1:19.04   1:42.63
单手初赛14 28.93 DNF
33.36     37.07     28.93     DNF       DNF
五魔方决赛6 2:26.26 3:08.69
3:34.93   2:26.26   3:17.64   2:54.36   3:14.07
 
DJ Open 2012
项目轮次排名最好平均详情
三阶决赛6 15.65 17.52
20.04     15.65     17.27     16.64     18.64
初赛5 17.18 17.51
17.51     17.71     17.18     17.32     18.52
二阶决赛3 3.29 5.62
4.66      6.34      3.29      7.43      5.85
初赛5 4.83 5.84
6.25      5.13      6.22      4.83      6.16
四阶初赛8 1:19.40 1:23.23
1:21.96   1:22.37   1:30.97   1:25.37   1:19.40
五阶决赛6 2:31.11 2:40.91
3:12.96   2:42.58   2:48.29   2:31.86   2:31.11
单手决赛7 33.35 37.98
33.35     51.92     40.23     34.21     39.50
初赛7 25.50 36.09
37.62     46.82     26.60     44.05     25.50
五魔方决赛5 2:16.67 3:03.43
3:31.83   3:05.86   3:13.02   2:16.67   2:51.40
金字塔决赛17 30.33 
46.84     30.33
 
Mumbai Open 2012
项目轮次排名最好平均详情
三阶决赛4 13.11 16.44
14.46     21.15     18.68     13.11     16.19
初赛4 17.06 
17.06     22.09
二阶决赛6 3.25 5.91
6.90      5.15      3.25      7.03      5.69
四阶决赛7 1:10.80 1:28.08
1:36.28   1:10.80   1:38.05   1:23.75   1:24.22
五阶决赛4 2:31.34 2:49.53
2:31.34   3:05.44   2:58.78   2:50.53   2:39.28
单手决赛3 31.05 33.87
37.71     31.05     35.09     32.75     33.78
五魔方决赛2 2:32.22 3:33.61
4:03.41   3:46.38   3:38.58   2:32.22   3:15.86
金字塔决赛15 7.72 20.06
20.16     7.72      51.40     22.50     17.53
 
Shaastra Cube Open 2011
项目轮次排名最好平均详情
三阶决赛9 16.52 19.74
19.86     19.09     20.27     16.52     23.46
初赛4 15.02 17.68
15.02     18.27     18.53     16.33     18.44
二阶决赛8 5.11 7.21
6.06      6.55      5.11      9.02      10.27
初赛13 6.94 
6.94      7.75
四阶决赛4 1:09.81 1:26.68
1:13.97   1:09.81   1:42.50   1:23.61   1:42.47
初赛4 1:24.88 
1:24.88   1:24.88
五阶决赛5 2:31.61 2:58.77
3:01.77   2:31.61   3:09.33   3:01.68   2:52.85
初赛3 2:55.13 
2:55.13   3:19.50
三盲决赛13 DNF DNF
DNF       DNF       DNF
最少步决赛6 51 
51
单手决赛8 39.38 44.97
43.68     50.72     43.75     47.47     39.38
初赛6 33.83 
58.40     33.83
金字塔初赛7 9.36 
15.78     9.36
SQ1决赛11 2:35.59 3:32.24
2:35.59   3:46.91   3:54.44   DNF       2:55.36
 
DJ Speedcubing Open 2011
项目轮次排名最好平均详情
三阶决赛3 14.11 18.44
22.72     14.11     19.66     17.16     18.50
初赛2 12.55 17.59
19.38     18.16     17.30     12.55     17.30
单手决赛2 31.52 38.48
40.05     31.52     36.56     57.97     38.83
 
SCMU 2011
项目轮次排名最好平均详情
三阶决赛4 19.78 20.38
20.22     19.78     20.77     20.16     21.18
初赛5 17.94 19.98
19.78     19.31     24.11     17.94     20.86
二阶决赛4 6.86 7.71
7.30      7.41      10.22     8.43      6.86
四阶决赛7 1:34.15 1:59.61
1:55.55   1:34.15   2:10.75   2:18.47   1:52.52
五阶决赛3 3:10.03 3:59.70
3:29.59   5:06.71   4:43.55   3:10.03   3:45.97
单手决赛6 34.72 45.53
53.02     52.16     40.65     34.72     43.78
金字塔决赛12 15.66 23.48
29.44     15.66     22.06     20.03     28.34
SQ1决赛12 1:48.69 DNF
2:11.97   DNF       1:48.69   DNF       3:49.28
 
Indian Open 2011
项目轮次排名最好平均详情
三阶决赛6 15.38 21.29
15.38     21.93     19.91     22.02     22.80
初赛7 17.47 21.35
19.69     22.21     23.75     22.16     17.47
二阶决赛2 3.71 7.11
3.71      7.71      8.77      6.27      7.34
初赛3 5.72 7.06
9.46      7.19      7.00      5.72      7.00
四阶决赛8 1:49.77 2:06.65
1:57.13   1:49.77   2:54.05   1:59.52   2:23.30
五阶决赛5 4:13.28 4:42.55
4:45.44   4:47.40   4:43.69   4:38.53   4:13.28
三盲决赛4 DNF DNF
DNF       DNF       DNF
单手决赛8 38.50 51.01
48.80     1:02.53   49.55     54.69     38.50
多盲决赛4 DNF 
DNF
 
Mumbai Open 2011
项目轮次排名最好平均详情
三阶决赛2 18.68 20.32
20.27     19.25     21.43     22.05     18.68
初赛2 17.52 18.98
17.52     22.08     18.27     21.16     17.52
二阶决赛3 5.21 9.41
7.36      12.09     5.21      DNF       8.77
四阶决赛4 1:38.91 1:52.14
1:57.61   1:46.75   1:38.91   1:52.05   3:04.88
五阶决赛4 5:08.96 5:17.51
5:08.96   5:14.05   5:21.68   5:16.80   5:53.41
三盲决赛4 DNF DNF
DNF       DNF       DNS
单手决赛3 38.36 47.76
46.03     44.19     1:09.15   53.06     38.36
金字塔决赛4 14.00 21.38
14.00     31.30     15.88     16.97     37.41
 
Shaastra Cube Open 2010
项目轮次排名最好平均详情
三阶决赛5 21.38 24.29
21.38     24.30     28.56     24.91     23.65
初赛3 21.96 23.69
25.43     30.00     21.96     22.52     23.11
二阶决赛6 6.77 9.85
10.43     9.18      22.50     6.77      9.93
初赛2 5.52 
5.52      DNF
四阶决赛5 2:12.30 2:17.28
2:16.90   2:19.25   2:33.88   2:12.30   2:15.69
五阶决赛9 6:13.71 7:07.04
6:24.02   7:41.22   8:30.34   6:13.71   7:15.88
最少步决赛3 DNF 
DNF
单手决赛8 1:06.09 1:34.27
1:41.86   1:11.03   DNF       1:49.91   1:06.09
五魔方决赛2 4:38.53 7:06.10
4:38.53   6:02.90   8:21.71   8:21.06   6:54.34
 
Mumbai Challenge 2010
项目轮次排名最好平均详情
三阶决赛10 27.68 35.61
42.23     42.25     32.56     27.68     32.04
 
Mumbai Open 2010
项目轮次排名最好平均详情
三阶复赛27 44.58 54.46
59.93     DNF       58.03     44.58     45.43
初赛28 50.91 1:01.54
1:07.96   50.91     1:09.28   59.66     57.00
二阶决赛15 26.69 29.12
34.93     29.28     28.00     30.09     26.69
单手初赛12 3:05.25 
3:16.47   3:05.25   3:38.00
No.日期比赛名称地区城市
142014-05-03~04Mumbai Summer Open 2014印度Mumbai, Maharashtra
132014-01-04~05Techfest Mania 2014印度Mumbai, Maharashtra
122013-10-05~06DJ Open 2013印度Mumbai, Maharashtra
112013-01-07~08Mumbai Open 2013印度Mumbai, Maharashtra
102012-10-13~14DJ Open 2012印度Mumbai, Maharashtra
92012-02-03~05Mumbai Open 2012印度Mumbai, Maharashtra
82011-10-01~02Shaastra Cube Open 2011印度Chennai, Tamil Nadu
72011-09-15~16DJ Speedcubing Open 2011印度Mumbai, Maharashtra
62011-07-09~10SCMU 2011印度Mumbai, Maharashtra
52011-02-17~19Indian Open 2011印度Kanpur, Uttar Pradesh
42011-02-05~06Mumbai Open 2011印度Mumbai, Maharashtra
32010-10-01~02Shaastra Cube Open 2010印度Chennai, Tamil Nadu
22010-06-18Mumbai Challenge 2010印度Mumbai, Maharashtra
12010-02-06~07Mumbai Open 2010印度Mumbai, Maharashtra