library(stringr)
library(readr)
library(tidyverse)
## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ──
## ✔ ggplot2 3.4.1     ✔ purrr   1.0.1
## ✔ tibble  3.2.1     ✔ dplyr   1.1.2
## ✔ tidyr   1.3.0     ✔ forcats 1.0.0
## ── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
## ✖ dplyr::filter() masks stats::filter()
## ✖ dplyr::lag()    masks stats::lag()
library(dplyr)
dfTournament = read_csv("tournamentinfo.csv", show_col_types = FALSE)
head(dfTournament)
## # A tibble: 6 × 1
##   ----------------------------------------------------------------------------…¹
##   <chr>                                                                         
## 1 Pair | Player Name                     |Total|Round|Round|Round|Round|Round|R…
## 2 Num  | USCF ID / Rtg (Pre->Post)       | Pts |  1  |  2  |  3  |  4  |  5  | …
## 3 -----------------------------------------------------------------------------…
## 4 1 | GARY HUA                        |6.0  |W  39|W  21|W  18|W  14|W   7|D  1…
## 5 ON | 15445895 / R: 1794   ->1817     |N:2  |W    |B    |W    |B    |W    |B  …
## 6 -----------------------------------------------------------------------------…
## # ℹ abbreviated name:
## #   ¹​`-----------------------------------------------------------------------------------------`
tail(dfTournament)
## # A tibble: 6 × 1
##   ----------------------------------------------------------------------------…¹
##   <chr>                                                                         
## 1 63 | THOMAS JOSEPH HOSMER            |1.0  |L   2|L  48|D  49|L  43|L  45|H  …
## 2 MI | 15057092 / R: 1175   ->1125     |     |W    |B    |W    |B    |B    |   …
## 3 -----------------------------------------------------------------------------…
## 4 64 | BEN LI                          |1.0  |L  22|D  30|L  31|D  49|L  46|L  …
## 5 MI | 15006561 / R: 1163   ->1112     |     |B    |W    |W    |B    |W    |B  …
## 6 -----------------------------------------------------------------------------…
## # ℹ abbreviated name:
## #   ¹​`-----------------------------------------------------------------------------------------`
dfTournament
## # A tibble: 195 × 1
##    ---------------------------------------------------------------------------…¹
##    <chr>                                                                        
##  1 Pair | Player Name                     |Total|Round|Round|Round|Round|Round|…
##  2 Num  | USCF ID / Rtg (Pre->Post)       | Pts |  1  |  2  |  3  |  4  |  5  |…
##  3 ----------------------------------------------------------------------------…
##  4 1 | GARY HUA                        |6.0  |W  39|W  21|W  18|W  14|W   7|D  …
##  5 ON | 15445895 / R: 1794   ->1817     |N:2  |W    |B    |W    |B    |W    |B …
##  6 ----------------------------------------------------------------------------…
##  7 2 | DAKSHESH DARURI                 |6.0  |W  63|W  58|L   4|W  17|W  16|W  …
##  8 MI | 14598900 / R: 1553   ->1663     |N:2  |B    |W    |B    |W    |B    |W …
##  9 ----------------------------------------------------------------------------…
## 10 3 | ADITYA BAJAJ                    |6.0  |L   8|W  61|W  25|W  21|W  11|W  …
## # ℹ 185 more rows
## # ℹ abbreviated name:
## #   ¹​`-----------------------------------------------------------------------------------------`
dfTournament
## # A tibble: 195 × 1
##    ---------------------------------------------------------------------------…¹
##    <chr>                                                                        
##  1 Pair | Player Name                     |Total|Round|Round|Round|Round|Round|…
##  2 Num  | USCF ID / Rtg (Pre->Post)       | Pts |  1  |  2  |  3  |  4  |  5  |…
##  3 ----------------------------------------------------------------------------…
##  4 1 | GARY HUA                        |6.0  |W  39|W  21|W  18|W  14|W   7|D  …
##  5 ON | 15445895 / R: 1794   ->1817     |N:2  |W    |B    |W    |B    |W    |B …
##  6 ----------------------------------------------------------------------------…
##  7 2 | DAKSHESH DARURI                 |6.0  |W  63|W  58|L   4|W  17|W  16|W  …
##  8 MI | 14598900 / R: 1553   ->1663     |N:2  |B    |W    |B    |W    |B    |W …
##  9 ----------------------------------------------------------------------------…
## 10 3 | ADITYA BAJAJ                    |6.0  |L   8|W  61|W  25|W  21|W  11|W  …
## # ℹ 185 more rows
## # ℹ abbreviated name:
## #   ¹​`-----------------------------------------------------------------------------------------`
x3 = unname(str_locate_all(pattern = '\\|', dfTournament[1]))
## Warning in stri_locate_all_regex(string, pattern, omit_no_match = TRUE, :
## argument is not an atomic vector; coercing
x3
## [[1]]
##         start   end
##    [1,]     9     9
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## [1118,] 15204 15204
## [1119,] 15210 15210
## [1120,] 15216 15216
## [1121,] 15318 15318
## [1122,] 15352 15352
## [1123,] 15358 15358
## [1124,] 15364 15364
## [1125,] 15370 15370
## [1126,] 15376 15376
## [1127,] 15382 15382
## [1128,] 15388 15388
## [1129,] 15394 15394
## [1130,] 15400 15400
## [1131,] 15408 15408
## [1132,] 15442 15442
## [1133,] 15448 15448
## [1134,] 15454 15454
## [1135,] 15460 15460
## [1136,] 15466 15466
## [1137,] 15472 15472
## [1138,] 15478 15478
## [1139,] 15484 15484
## [1140,] 15490 15490
## [1141,] 15591 15591
## [1142,] 15625 15625
## [1143,] 15631 15631
## [1144,] 15637 15637
## [1145,] 15643 15643
## [1146,] 15649 15649
## [1147,] 15655 15655
## [1148,] 15661 15661
## [1149,] 15667 15667
## [1150,] 15673 15673
## [1151,] 15681 15681
## [1152,] 15715 15715
## [1153,] 15721 15721
## [1154,] 15727 15727
## [1155,] 15733 15733
## [1156,] 15739 15739
## [1157,] 15745 15745
## [1158,] 15751 15751
## [1159,] 15757 15757
## [1160,] 15763 15763
## [1161,] 15865 15865
## [1162,] 15899 15899
## [1163,] 15905 15905
## [1164,] 15911 15911
## [1165,] 15917 15917
## [1166,] 15923 15923
## [1167,] 15929 15929
## [1168,] 15935 15935
## [1169,] 15941 15941
## [1170,] 15947 15947
## [1171,] 15955 15955
## [1172,] 15989 15989
## [1173,] 15995 15995
## [1174,] 16001 16001
## [1175,] 16007 16007
## [1176,] 16013 16013
## [1177,] 16019 16019
## [1178,] 16025 16025
## [1179,] 16031 16031
## [1180,] 16037 16037
## [1181,] 16138 16138
## [1182,] 16172 16172
## [1183,] 16178 16178
## [1184,] 16184 16184
## [1185,] 16190 16190
## [1186,] 16196 16196
## [1187,] 16202 16202
## [1188,] 16208 16208
## [1189,] 16214 16214
## [1190,] 16220 16220
## [1191,] 16228 16228
## [1192,] 16262 16262
## [1193,] 16268 16268
## [1194,] 16274 16274
## [1195,] 16280 16280
## [1196,] 16286 16286
## [1197,] 16292 16292
## [1198,] 16298 16298
## [1199,] 16304 16304
## [1200,] 16310 16310
## [1201,] 16412 16412
## [1202,] 16446 16446
## [1203,] 16452 16452
## [1204,] 16458 16458
## [1205,] 16464 16464
## [1206,] 16470 16470
## [1207,] 16476 16476
## [1208,] 16482 16482
## [1209,] 16488 16488
## [1210,] 16494 16494
## [1211,] 16502 16502
## [1212,] 16536 16536
## [1213,] 16542 16542
## [1214,] 16548 16548
## [1215,] 16554 16554
## [1216,] 16560 16560
## [1217,] 16566 16566
## [1218,] 16572 16572
## [1219,] 16578 16578
## [1220,] 16584 16584
## [1221,] 16685 16685
## [1222,] 16719 16719
## [1223,] 16725 16725
## [1224,] 16731 16731
## [1225,] 16737 16737
## [1226,] 16743 16743
## [1227,] 16749 16749
## [1228,] 16755 16755
## [1229,] 16761 16761
## [1230,] 16767 16767
## [1231,] 16775 16775
## [1232,] 16809 16809
## [1233,] 16815 16815
## [1234,] 16821 16821
## [1235,] 16827 16827
## [1236,] 16833 16833
## [1237,] 16839 16839
## [1238,] 16845 16845
## [1239,] 16851 16851
## [1240,] 16857 16857
## [1241,] 16959 16959
## [1242,] 16993 16993
## [1243,] 16999 16999
## [1244,] 17005 17005
## [1245,] 17011 17011
## [1246,] 17017 17017
## [1247,] 17023 17023
## [1248,] 17029 17029
## [1249,] 17035 17035
## [1250,] 17041 17041
## [1251,] 17049 17049
## [1252,] 17083 17083
## [1253,] 17089 17089
## [1254,] 17095 17095
## [1255,] 17101 17101
## [1256,] 17107 17107
## [1257,] 17113 17113
## [1258,] 17119 17119
## [1259,] 17125 17125
## [1260,] 17131 17131
## [1261,] 17232 17232
## [1262,] 17266 17266
## [1263,] 17272 17272
## [1264,] 17278 17278
## [1265,] 17284 17284
## [1266,] 17290 17290
## [1267,] 17296 17296
## [1268,] 17302 17302
## [1269,] 17308 17308
## [1270,] 17314 17314
## [1271,] 17322 17322
## [1272,] 17356 17356
## [1273,] 17362 17362
## [1274,] 17368 17368
## [1275,] 17374 17374
## [1276,] 17380 17380
## [1277,] 17386 17386
## [1278,] 17392 17392
## [1279,] 17398 17398
## [1280,] 17404 17404
## [1281,] 17506 17506
## [1282,] 17540 17540
## [1283,] 17546 17546
## [1284,] 17552 17552
## [1285,] 17558 17558
## [1286,] 17564 17564
## [1287,] 17570 17570
## [1288,] 17576 17576
## [1289,] 17582 17582
## [1290,] 17588 17588
## [1291,] 17596 17596
## [1292,] 17630 17630
## [1293,] 17636 17636
## [1294,] 17642 17642
## [1295,] 17648 17648
## [1296,] 17654 17654
## [1297,] 17660 17660
## [1298,] 17666 17666
## [1299,] 17672 17672
## [1300,] 17678 17678
list_Tournament = matrix(unlist(dfTournament), byrow=TRUE)

matrix2 = list_Tournament[seq(5,length(list_Tournament),3)]
head(matrix2)
## [1] "ON | 15445895 / R: 1794   ->1817     |N:2  |W    |B    |W    |B    |W    |B    |W    |"
## [2] "MI | 14598900 / R: 1553   ->1663     |N:2  |B    |W    |B    |W    |B    |W    |B    |"
## [3] "MI | 14959604 / R: 1384   ->1640     |N:2  |W    |B    |W    |B    |W    |B    |W    |"
## [4] "MI | 12616049 / R: 1716   ->1744     |N:2  |W    |B    |W    |B    |W    |B    |B    |"
## [5] "MI | 14601533 / R: 1655   ->1690     |N:2  |B    |W    |B    |W    |B    |W    |B    |"
## [6] "OH | 15055204 / R: 1686   ->1687     |N:3  |W    |B    |W    |B    |B    |W    |B    |"
matrix2
##  [1] "ON | 15445895 / R: 1794   ->1817     |N:2  |W    |B    |W    |B    |W    |B    |W    |"
##  [2] "MI | 14598900 / R: 1553   ->1663     |N:2  |B    |W    |B    |W    |B    |W    |B    |"
##  [3] "MI | 14959604 / R: 1384   ->1640     |N:2  |W    |B    |W    |B    |W    |B    |W    |"
##  [4] "MI | 12616049 / R: 1716   ->1744     |N:2  |W    |B    |W    |B    |W    |B    |B    |"
##  [5] "MI | 14601533 / R: 1655   ->1690     |N:2  |B    |W    |B    |W    |B    |W    |B    |"
##  [6] "OH | 15055204 / R: 1686   ->1687     |N:3  |W    |B    |W    |B    |B    |W    |B    |"
##  [7] "MI | 11146376 / R: 1649   ->1673     |N:3  |W    |B    |W    |B    |B    |W    |W    |"
##  [8] "MI | 15142253 / R: 1641P17->1657P24  |N:3  |B    |W    |B    |W    |B    |W    |W    |"
##  [9] "ON | 14954524 / R: 1411   ->1564     |N:2  |W    |B    |W    |B    |W    |B    |B    |"
## [10] "MI | 14150362 / R: 1365   ->1544     |N:3  |W    |W    |B    |B    |W    |B    |W    |"
## [11] "MI | 12581589 / R: 1712   ->1696     |N:3  |B    |W    |B    |W    |B    |W    |B    |"
## [12] "MI | 12681257 / R: 1663   ->1670     |N:3  |W    |B    |W    |B    |     |W    |B    |"
## [13] "MI | 15082995 / R: 1666   ->1662     |N:3  |B    |W    |B    |B    |W    |W    |B    |"
## [14] "MI | 10131499 / R: 1610   ->1618     |N:3  |W    |B    |W    |W    |B    |B    |W    |"
## [15] "MI | 15619130 / R: 1220P13->1416P20  |N:3  |B    |B    |W    |W    |B    |B    |W    |"
## [16] "MI | 10295068 / R: 1604   ->1613     |N:3  |B    |W    |     |B    |W    |B    |     |"
## [17] "MI | 10297702 / R: 1629   ->1610     |N:3  |W    |B    |W    |B    |W    |B    |W    |"
## [18] "MI | 11342094 / R: 1600   ->1600     |N:3  |B    |W    |B    |W    |B    |W    |B    |"
## [19] "MI | 14862333 / R: 1564   ->1570     |N:3  |W    |B    |W    |B    |W    |W    |B    |"
## [20] "MI | 14529060 / R: 1595   ->1569     |N:4  |W    |B    |W    |B    |W    |B    |W    |"
## [21] "ON | 15495066 / R: 1563P22->1562     |N:3  |B    |W    |B    |W    |W    |B    |W    |"
## [22] "MI | 12405534 / R: 1555   ->1529     |N:4  |W    |B    |W    |B    |     |W    |B    |"
## [23] "ON | 15030142 / R: 1363   ->1371     |     |B    |W    |B    |W    |B    |W    |B    |"
## [24] "MI | 13469010 / R: 1229   ->1300     |N:4  |B    |W    |B    |B    |W    |W    |B    |"
## [25] "MI | 12486656 / R: 1745   ->1681     |N:4  |B    |W    |B    |W    |B    |W    |B    |"
## [26] "ON | 15131520 / R: 1579   ->1564     |N:4  |B    |W    |B    |W    |B    |W    |W    |"
## [27] "MI | 14476567 / R: 1552   ->1539     |N:4  |W    |B    |W    |B    |W    |B    |     |"
## [28] "MI | 14882954 / R: 1507   ->1513     |N:3  |W    |W    |B    |W    |B    |B    |W    |"
## [29] "MI | 15323285 / R: 1602P6 ->1508P12  |N:4  |B    |W    |B    |W    |W    |B    |     |"
## [30] "ON | 12577178 / R: 1522   ->1444     |     |W    |B    |B    |W    |W    |B    |B    |"
## [31] "MI | 15131618 / R: 1494   ->1444     |     |B    |W    |B    |W    |B    |W    |B    |"
## [32] "ON | 14073750 / R: 1441   ->1433     |N:4  |W    |B    |W    |B    |W    |B    |W    |"
## [33] "MI | 14691842 / R: 1449   ->1421     |     |B    |W    |B    |W    |B    |W    |B    |"
## [34] "MI | 15051807 / R: 1399   ->1400     |     |B    |W    |B    |B    |W    |B    |W    |"
## [35] "MI | 14601397 / R: 1438   ->1392     |     |W    |W    |B    |W    |B    |B    |W    |"
## [36] "MI | 14773163 / R: 1355   ->1367     |N:4  |W    |B    |W    |B    |     |W    |B    |"
## [37] "MI | 15489571 / R:  980P12->1077P17  |     |     |B    |W    |W    |     |B    |W    |"
## [38] "MI | 15108523 / R: 1423   ->1439     |N:4  |W    |B    |W    |W    |     |B    |B    |"
## [39] "MI | 12923035 / R: 1436P23->1413     |N:4  |B    |W    |B    |W    |B    |W    |W    |"
## [40] "MI | 14892710 / R: 1348   ->1346     |     |B    |B    |W    |W    |B    |W    |W    |"
## [41] "MI | 15761443 / R: 1403P5 ->1341P9   |     |B    |W    |B    |W    |     |     |     |"
## [42] "MI | 14462326 / R: 1332   ->1256     |     |B    |W    |B    |B    |W    |W    |B    |"
## [43] "MI | 14101068 / R: 1283   ->1244     |     |W    |B    |W    |W    |B    |B    |W    |"
## [44] "MI | 15323504 / R: 1199   ->1199     |     |     |W    |B    |B    |W    |B    |W    |"
## [45] "MI | 15372807 / R: 1242   ->1191     |     |W    |B    |W    |B    |W    |B    |W    |"
## [46] "MI | 15490981 / R:  377P3 ->1076P10  |     |B    |W    |B    |W    |B    |W    |W    |"
## [47] "MI | 12533115 / R: 1362   ->1341     |     |W    |B    |W    |B    |W    |B    |W    |"
## [48] "MI | 14369165 / R: 1382   ->1335     |     |B    |W    |     |B    |     |W    |B    |"
## [49] "MI | 12531685 / R: 1291P12->1259P17  |     |W    |W    |B    |W    |B    |     |     |"
## [50] "MI | 14773178 / R: 1056   ->1111     |     |W    |B    |W    |B    |     |B    |W    |"
## [51] "MI | 15205474 / R: 1011   ->1097     |     |B    |W    |B    |W    |B    |W    |W    |"
## [52] "MI | 14918803 / R:  935   ->1092     |N:4  |B    |W    |B    |W    |B    |W    |B    |"
## [53] "MI | 12578849 / R: 1393   ->1359     |     |     |B    |     |W    |     |W    |     |"
## [54] "MI | 12836773 / R: 1270   ->1200     |     |B    |B    |W    |     |W    |B    |W    |"
## [55] "MI | 15412571 / R: 1186   ->1163     |     |W    |B    |W    |B    |     |W    |B    |"
## [56] "MI | 14679887 / R: 1153   ->1140     |     |     |B    |W    |W    |     |B    |W    |"
## [57] "MI | 15113330 / R: 1092   ->1079     |     |B    |W    |W    |B    |W    |B    |     |"
## [58] "MI | 14700365 / R:  917   -> 941     |     |W    |B    |W    |B    |W    |     |B    |"
## [59] "MI | 12841036 / R:  853   -> 878     |     |W    |     |B    |B    |W    |W    |B    |"
## [60] "MI | 14579262 / R:  967   -> 984     |     |W    |B    |B    |W    |B    |     |     |"
## [61] "ON | 15771592 / R:  955P11-> 979P18  |     |B    |W    |B    |W    |B    |W    |B    |"
## [62] "MI | 15219542 / R: 1530   ->1535     |     |B    |     |     |     |     |     |     |"
## [63] "MI | 15057092 / R: 1175   ->1125     |     |W    |B    |W    |B    |B    |     |     |"
## [64] "MI | 15006561 / R: 1163   ->1112     |     |B    |W    |W    |B    |W    |B    |B    |"
matrix1 <- list_Tournament[seq(4,length(list_Tournament),3)]
head(matrix1)
## [1] "1 | GARY HUA                        |6.0  |W  39|W  21|W  18|W  14|W   7|D  12|D   4|"
## [2] "2 | DAKSHESH DARURI                 |6.0  |W  63|W  58|L   4|W  17|W  16|W  20|W   7|"
## [3] "3 | ADITYA BAJAJ                    |6.0  |L   8|W  61|W  25|W  21|W  11|W  13|W  12|"
## [4] "4 | PATRICK H SCHILLING             |5.5  |W  23|D  28|W   2|W  26|D   5|W  19|D   1|"
## [5] "5 | HANSHI ZUO                      |5.5  |W  45|W  37|D  12|D  13|D   4|W  14|W  17|"
## [6] "6 | HANSEN SONG                     |5.0  |W  34|D  29|L  11|W  35|D  10|W  27|W  21|"
matrix1
##  [1] "1 | GARY HUA                        |6.0  |W  39|W  21|W  18|W  14|W   7|D  12|D   4|" 
##  [2] "2 | DAKSHESH DARURI                 |6.0  |W  63|W  58|L   4|W  17|W  16|W  20|W   7|" 
##  [3] "3 | ADITYA BAJAJ                    |6.0  |L   8|W  61|W  25|W  21|W  11|W  13|W  12|" 
##  [4] "4 | PATRICK H SCHILLING             |5.5  |W  23|D  28|W   2|W  26|D   5|W  19|D   1|" 
##  [5] "5 | HANSHI ZUO                      |5.5  |W  45|W  37|D  12|D  13|D   4|W  14|W  17|" 
##  [6] "6 | HANSEN SONG                     |5.0  |W  34|D  29|L  11|W  35|D  10|W  27|W  21|" 
##  [7] "7 | GARY DEE SWATHELL               |5.0  |W  57|W  46|W  13|W  11|L   1|W   9|L   2|" 
##  [8] "8 | EZEKIEL HOUGHTON                |5.0  |W   3|W  32|L  14|L   9|W  47|W  28|W  19|" 
##  [9] "9 | STEFANO LEE                     |5.0  |W  25|L  18|W  59|W   8|W  26|L   7|W  20|" 
## [10] "10 | ANVIT RAO                       |5.0  |D  16|L  19|W  55|W  31|D   6|W  25|W  18|"
## [11] "11 | CAMERON WILLIAM MC LEMAN        |4.5  |D  38|W  56|W   6|L   7|L   3|W  34|W  26|"
## [12] "12 | KENNETH J TACK                  |4.5  |W  42|W  33|D   5|W  38|H    |D   1|L   3|"
## [13] "13 | TORRANCE HENRY JR               |4.5  |W  36|W  27|L   7|D   5|W  33|L   3|W  32|"
## [14] "14 | BRADLEY SHAW                    |4.5  |W  54|W  44|W   8|L   1|D  27|L   5|W  31|"
## [15] "15 | ZACHARY JAMES HOUGHTON          |4.5  |D  19|L  16|W  30|L  22|W  54|W  33|W  38|"
## [16] "16 | MIKE NIKITIN                    |4.0  |D  10|W  15|H    |W  39|L   2|W  36|U    |"
## [17] "17 | RONALD GRZEGORCZYK              |4.0  |W  48|W  41|L  26|L   2|W  23|W  22|L   5|"
## [18] "18 | DAVID SUNDEEN                   |4.0  |W  47|W   9|L   1|W  32|L  19|W  38|L  10|"
## [19] "19 | DIPANKAR ROY                    |4.0  |D  15|W  10|W  52|D  28|W  18|L   4|L   8|"
## [20] "20 | JASON ZHENG                     |4.0  |L  40|W  49|W  23|W  41|W  28|L   2|L   9|"
## [21] "21 | DINH DANG BUI                   |4.0  |W  43|L   1|W  47|L   3|W  40|W  39|L   6|"
## [22] "22 | EUGENE L MCCLURE                |4.0  |W  64|D  52|L  28|W  15|H    |L  17|W  40|"
## [23] "23 | ALAN BUI                        |4.0  |L   4|W  43|L  20|W  58|L  17|W  37|W  46|"
## [24] "24 | MICHAEL R ALDRICH               |4.0  |L  28|L  47|W  43|L  25|W  60|W  44|W  39|"
## [25] "25 | LOREN SCHWIEBERT                |3.5  |L   9|W  53|L   3|W  24|D  34|L  10|W  47|"
## [26] "26 | MAX ZHU                         |3.5  |W  49|W  40|W  17|L   4|L   9|D  32|L  11|"
## [27] "27 | GAURAV GIDWANI                  |3.5  |W  51|L  13|W  46|W  37|D  14|L   6|U    |"
## [28] "28 | SOFIA ADINA STANESCU-BELLU      |3.5  |W  24|D   4|W  22|D  19|L  20|L   8|D  36|"
## [29] "29 | CHIEDOZIE OKORIE                |3.5  |W  50|D   6|L  38|L  34|W  52|W  48|U    |"
## [30] "30 | GEORGE AVERY JONES              |3.5  |L  52|D  64|L  15|W  55|L  31|W  61|W  50|"
## [31] "31 | RISHI SHETTY                    |3.5  |L  58|D  55|W  64|L  10|W  30|W  50|L  14|"
## [32] "32 | JOSHUA PHILIP MATHEWS           |3.5  |W  61|L   8|W  44|L  18|W  51|D  26|L  13|"
## [33] "33 | JADE GE                         |3.5  |W  60|L  12|W  50|D  36|L  13|L  15|W  51|"
## [34] "34 | MICHAEL JEFFERY THOMAS          |3.5  |L   6|W  60|L  37|W  29|D  25|L  11|W  52|"
## [35] "35 | JOSHUA DAVID LEE                |3.5  |L  46|L  38|W  56|L   6|W  57|D  52|W  48|"
## [36] "36 | SIDDHARTH JHA                   |3.5  |L  13|W  57|W  51|D  33|H    |L  16|D  28|"
## [37] "37 | AMIYATOSH PWNANANDAM            |3.5  |B    |L   5|W  34|L  27|H    |L  23|W  61|"
## [38] "38 | BRIAN LIU                       |3.0  |D  11|W  35|W  29|L  12|H    |L  18|L  15|"
## [39] "39 | JOEL R HENDON                   |3.0  |L   1|W  54|W  40|L  16|W  44|L  21|L  24|"
## [40] "40 | FOREST ZHANG                    |3.0  |W  20|L  26|L  39|W  59|L  21|W  56|L  22|"
## [41] "41 | KYLE WILLIAM MURPHY             |3.0  |W  59|L  17|W  58|L  20|X    |U    |U    |"
## [42] "42 | JARED GE                        |3.0  |L  12|L  50|L  57|D  60|D  61|W  64|W  56|"
## [43] "43 | ROBERT GLEN VASEY               |3.0  |L  21|L  23|L  24|W  63|W  59|L  46|W  55|"
## [44] "44 | JUSTIN D SCHILLING              |3.0  |B    |L  14|L  32|W  53|L  39|L  24|W  59|"
## [45] "45 | DEREK YAN                       |3.0  |L   5|L  51|D  60|L  56|W  63|D  55|W  58|"
## [46] "46 | JACOB ALEXANDER LAVALLEY        |3.0  |W  35|L   7|L  27|L  50|W  64|W  43|L  23|"
## [47] "47 | ERIC WRIGHT                     |2.5  |L  18|W  24|L  21|W  61|L   8|D  51|L  25|"
## [48] "48 | DANIEL KHAIN                    |2.5  |L  17|W  63|H    |D  52|H    |L  29|L  35|"
## [49] "49 | MICHAEL J MARTIN                |2.5  |L  26|L  20|D  63|D  64|W  58|H    |U    |"
## [50] "50 | SHIVAM JHA                      |2.5  |L  29|W  42|L  33|W  46|H    |L  31|L  30|"
## [51] "51 | TEJAS AYYAGARI                  |2.5  |L  27|W  45|L  36|W  57|L  32|D  47|L  33|"
## [52] "52 | ETHAN GUO                       |2.5  |W  30|D  22|L  19|D  48|L  29|D  35|L  34|"
## [53] "53 | JOSE C YBARRA                   |2.0  |H    |L  25|H    |L  44|U    |W  57|U    |"
## [54] "54 | LARRY HODGE                     |2.0  |L  14|L  39|L  61|B    |L  15|L  59|W  64|"
## [55] "55 | ALEX KONG                       |2.0  |L  62|D  31|L  10|L  30|B    |D  45|L  43|"
## [56] "56 | MARISA RICCI                    |2.0  |H    |L  11|L  35|W  45|H    |L  40|L  42|"
## [57] "57 | MICHAEL LU                      |2.0  |L   7|L  36|W  42|L  51|L  35|L  53|B    |"
## [58] "58 | VIRAJ MOHILE                    |2.0  |W  31|L   2|L  41|L  23|L  49|B    |L  45|"
## [59] "59 | SEAN M MC CORMICK               |2.0  |L  41|B    |L   9|L  40|L  43|W  54|L  44|"
## [60] "60 | JULIA SHEN                      |1.5  |L  33|L  34|D  45|D  42|L  24|H    |U    |"
## [61] "61 | JEZZEL FARKAS                   |1.5  |L  32|L   3|W  54|L  47|D  42|L  30|L  37|"
## [62] "62 | ASHWIN BALAJI                   |1.0  |W  55|U    |U    |U    |U    |U    |U    |"
## [63] "63 | THOMAS JOSEPH HOSMER            |1.0  |L   2|L  48|D  49|L  43|L  45|H    |U    |"
## [64] "64 | BEN LI                          |1.0  |L  22|D  30|L  31|D  49|L  46|L  42|L  54|"
# matching first numbers
ID <- as.numeric(str_extract(matrix1, '\\d+'))

# matching the first combination of a letter, any amount of characters and "|"
Name <- str_extract(matrix1, '[A-z].{1,32}') 

# extracting the name
Name <- str_trim(str_extract(Name, '.+\\s{2,}'))

# matching the first two letters (state) in the second matrix 
State <- str_extract(matrix2, '[A-Z]{2}') 

# matching at least 1 number, a period, and 1 number
TotalNumberofPoints <- as.numeric(str_extract(matrix1, '\\d+\\.\\d'))

# matching the combination of "R", any characters and "-"
PreRating <- str_extract(matrix2, 'R:.{8,}-')

# matching first 4 numbers
PreRating <- as.numeric(str_extract(PreRating, '\\d{1,4}'))

# matching all combinations of 1 letter 2 spaces and any numbers
Rounds <- str_extract_all(matrix1, '[A-Z]\\s{2,}\\d+')

# matching numbers
Rounds <- str_extract_all(Rounds, '\\d+')
## Warning in stri_extract_all_regex(string, pattern, simplify = simplify, :
## argument is not an atomic vector; coercing

Calculating Average Pre Chess

AvgOppPreChessRating <- c()

for(i in c(1:length(Rounds))){
  AvgOppPreChessRating[i] <- round(mean(PreRating[as.numeric(Rounds[[i]])]),0)
}
AvgOppPreChessRating
##  [1] 1605 1469 1564 1574 1501 1519 1372 1468 1523 1554 1468 1506 1498 1515 1484
## [16] 1386 1499 1480 1426 1411 1470 1300 1214 1357 1363 1507 1222 1522 1314 1144
## [31] 1260 1379 1277 1375 1150 1388 1385 1539 1430 1391 1248 1150 1107 1327 1152
## [46] 1358 1392 1356 1286 1296 1356 1495 1345 1206 1406 1414 1363 1391 1319 1330
## [61] 1327 1186 1350 1263

FINAL DATAFRAME

FINALCHESSPIECE = data.frame(ID,Name,State,TotalNumberofPoints,PreRating,AvgOppPreChessRating)

head(FINALCHESSPIECE)
##   ID                Name State TotalNumberofPoints PreRating
## 1  1            GARY HUA    ON                 6.0      1794
## 2  2     DAKSHESH DARURI    MI                 6.0      1553
## 3  3        ADITYA BAJAJ    MI                 6.0      1384
## 4  4 PATRICK H SCHILLING    MI                 5.5      1716
## 5  5          HANSHI ZUO    MI                 5.5      1655
## 6  6         HANSEN SONG    OH                 5.0      1686
##   AvgOppPreChessRating
## 1                 1605
## 2                 1469
## 3                 1564
## 4                 1574
## 5                 1501
## 6                 1519

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