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rdallison

Rob D

Oxford, United Kingdom
Highest
2101
Jun 23, 2009
Lowest
419
Mar 2, 2019
  • Training Time
  • Passed
  • Failed
4,291 Puzzles
2,304 53%
1,987 47%

Puzzle Themes

Category Score
Double Check 64%
  • Double Check
  • Attempts: 59
  • Passed: 40
  • Failed: 19
  • Avg Score: 63.93
Mate in 1 64%
  • Mate in 1
  • Attempts: 63
  • Passed: 45
  • Failed: 18
  • Avg Score: 63.67
Two Rooks Checkmate 63%
  • Two Rooks Checkmate
  • Attempts: 17
  • Passed: 11
  • Failed: 6
  • Avg Score: 63.35
Underpromotion 63%
  • Underpromotion
  • Attempts: 5
  • Passed: 2
  • Failed: 3
  • Avg Score: 62.80
Stalemate 57%
  • Stalemate
  • Attempts: 5
  • Passed: 3
  • Failed: 2
  • Avg Score: 56.80
Smothered Mate 56%
  • Smothered Mate
  • Attempts: 33
  • Passed: 19
  • Failed: 14
  • Avg Score: 56.18
Mate in 2 55%
  • Mate in 2
  • Attempts: 360
  • Passed: 214
  • Failed: 146
  • Avg Score: 55.41
Knight Outpost 53%
  • Knight Outpost
  • Attempts: 269
  • Passed: 152
  • Failed: 117
  • Avg Score: 53.15
Mate in 3+ 53%
  • Mate in 3+
  • Attempts: 471
  • Passed: 253
  • Failed: 218
  • Avg Score: 52.94
Back Rank 53%
  • Back Rank
  • Attempts: 221
  • Passed: 125
  • Failed: 96
  • Avg Score: 52.61
Opposition 52%
  • Opposition
  • Attempts: 11
  • Passed: 6
  • Failed: 5
  • Avg Score: 52.45
Passed Pawns 52%
  • Passed Pawns
  • Attempts: 1188
  • Passed: 639
  • Failed: 549
  • Avg Score: 51.55
Basic Checkmates 51%
  • Basic Checkmates
  • Attempts: 305
  • Passed: 166
  • Failed: 139
  • Avg Score: 51.43
Battery 51%
  • Battery
  • Attempts: 287
  • Passed: 151
  • Failed: 136
  • Avg Score: 50.77
Desperado 50%
  • Desperado
  • Attempts: 68
  • Passed: 38
  • Failed: 30
  • Avg Score: 50.49
Queen Sacrifice 50%
  • Queen Sacrifice
  • Attempts: 182
  • Passed: 97
  • Failed: 85
  • Avg Score: 49.84
Windmill 50%
  • Windmill
  • Attempts: 15
  • Passed: 7
  • Failed: 8
  • Avg Score: 49.73
4-Move Checkmate 50%
  • 4-Move Checkmate
  • Attempts: 47
  • Passed: 26
  • Failed: 21
  • Avg Score: 49.68
Perpetual Check 50%
  • Perpetual Check
  • Attempts: 19
  • Passed: 8
  • Failed: 11
  • Avg Score: 49.63
Fork / Double Attack 50%
  • Fork / Double Attack
  • Attempts: 719
  • Passed: 382
  • Failed: 337
  • Avg Score: 49.61
Doubled Rook 49%
  • Doubled Rook
  • Attempts: 342
  • Passed: 175
  • Failed: 167
  • Avg Score: 49.16
Rooks on Seventh 49%
  • Rooks on Seventh
  • Attempts: 614
  • Passed: 309
  • Failed: 305
  • Avg Score: 48.74
Attacking Castled King 49%
  • Attacking Castled King
  • Attempts: 181
  • Passed: 93
  • Failed: 88
  • Avg Score: 48.68
Zwischenzug 48%
  • Zwischenzug
  • Attempts: 203
  • Passed: 108
  • Failed: 95
  • Avg Score: 48.39
Vulnerable King 48%
  • Vulnerable King
  • Attempts: 699
  • Passed: 361
  • Failed: 338
  • Avg Score: 48.16
Trapped Piece 48%
  • Trapped Piece
  • Attempts: 132
  • Passed: 73
  • Failed: 59
  • Avg Score: 48.11
Alekhine's Gun 48%
  • Alekhine's Gun
  • Attempts: 6
  • Passed: 2
  • Failed: 4
  • Avg Score: 47.67
Fianchetto 48%
  • Fianchetto
  • Attempts: 55
  • Passed: 28
  • Failed: 27
  • Avg Score: 47.53
Bishop Pair 47%
  • Bishop Pair
  • Attempts: 544
  • Passed: 283
  • Failed: 261
  • Avg Score: 47.41
Interference 47%
  • Interference
  • Attempts: 73
  • Passed: 37
  • Failed: 36
  • Avg Score: 47.34
Mating Net 47%
  • Mating Net
  • Attempts: 420
  • Passed: 210
  • Failed: 210
  • Avg Score: 46.95
Clearance Sacrifice 47%
  • Clearance Sacrifice
  • Attempts: 165
  • Passed: 84
  • Failed: 81
  • Avg Score: 46.73
Pawn Promotion 46%
  • Pawn Promotion
  • Attempts: 222
  • Passed: 106
  • Failed: 116
  • Avg Score: 45.84
Pin 45%
  • Pin
  • Attempts: 875
  • Passed: 427
  • Failed: 448
  • Avg Score: 45.48
Discovered Attack 45%
  • Discovered Attack
  • Attempts: 225
  • Passed: 112
  • Failed: 113
  • Avg Score: 45.38
Advanced Checkmates 45%
  • Advanced Checkmates
  • Attempts: 17
  • Passed: 8
  • Failed: 9
  • Avg Score: 44.94
Opposite Colored Bishops 45%
  • Opposite Colored Bishops
  • Attempts: 76
  • Passed: 33
  • Failed: 43
  • Avg Score: 44.93
Zugzwang 45%
  • Zugzwang
  • Attempts: 19
  • Passed: 9
  • Failed: 10
  • Avg Score: 44.74
Simplification 45%
  • Simplification
  • Attempts: 165
  • Passed: 81
  • Failed: 84
  • Avg Score: 44.72
Remove the Defender 45%
  • Remove the Defender
  • Attempts: 283
  • Passed: 138
  • Failed: 145
  • Avg Score: 44.65
Endgame Tactics 45%
  • Endgame Tactics
  • Attempts: 182
  • Passed: 88
  • Failed: 94
  • Avg Score: 44.58
Hanging Piece 44%
  • Hanging Piece
  • Attempts: 362
  • Passed: 178
  • Failed: 184
  • Avg Score: 43.59
Skewer 43%
  • Skewer
  • Attempts: 134
  • Passed: 63
  • Failed: 71
  • Avg Score: 43.10
Exchange Sacrifice 43%
  • Exchange Sacrifice
  • Attempts: 68
  • Passed: 32
  • Failed: 36
  • Avg Score: 42.88
Decoy / Deflection 42%
  • Decoy / Deflection
  • Attempts: 409
  • Passed: 184
  • Failed: 225
  • Avg Score: 42.22
Sacrifice 41%
  • Sacrifice
  • Attempts: 215
  • Passed: 92
  • Failed: 123
  • Avg Score: 40.91
X-Ray Attack 41%
  • X-Ray Attack
  • Attempts: 63
  • Passed: 28
  • Failed: 35
  • Avg Score: 40.67
Defense 39%
  • Defense
  • Attempts: 248
  • Passed: 109
  • Failed: 139
  • Avg Score: 39.10
Overloading 37%
  • Overloading
  • Attempts: 124
  • Passed: 53
  • Failed: 71
  • Avg Score: 36.66
En passant 24%
  • En passant
  • Attempts: 14
  • Passed: 2
  • Failed: 12
  • Avg Score: 24.29

Recent Activity

Date ID Rating Moves Target Time My Time Avg Time Outcome My Rating
Feb 14, 2020 0569128 1564 2/2 0:22 0:20 0:19 (100% | +13)
1736
Feb 10, 2020 0100581 1812 0/1 0:15 2:50 1:00 (0% | -10)
1723
Feb 3, 2020 0657802 2025 3/3 0:47 3:27 2:16 (70% | +7)
1733
Jan 26, 2020 0071459 993 3/3 0:10 4:52 0:54 (70% | +1)
1726
Jan 23, 2020 0075644 1417 1/4 0:31 0:12 0:43 (25% | -9)
1725
Jan 22, 2020 0766528 1590 0/3 0:30 0:19 0:49 (0% | -12)
1734
Jan 22, 2020 0703534 1853 1/3 0:40 1:04 0:50 (31% | -3)
1746
Jan 22, 2020 0981632 1409 3/3 0:24 0:49 1:00 (90% | +7)
1749
Jan 22, 2020 0688020 1630 0/3 0:32 0:18 0:37 (0% | -12)
1742
Jan 22, 2020 0635386 2041 3/3 0:47 1:22 0:53 (93% | +15)
1754
Jan 22, 2020 0559696 1390 2/2 0:17 0:40 0:32 (86% | +6)
1739
Jan 22, 2020 0546130 1730 1/3 0:36 1:05 1:05 (31% | -5)
1733
Jan 21, 2020 0979664 1760 0/3 0:36 1:07 0:53 (0% | -10)
1738
Jan 21, 2020 0568078 1728 4/4 0:45 0:27 1:11 (100% | +14)
1748
Jan 21, 2020 0537824 1534 0/4 0:35 0:30 0:59 (0% | -13)
1734
Jan 21, 2020 0510844 2045 3/3 0:47 1:01 1:09 (97% | +17)
1747
Jan 21, 2020 0095567 830 1/1 0:04 0:09 0:23 (88% | +2)
1730
Jan 21, 2020 0159765 1076 0/1 0:05 1:06 0:12 (0% | -17)
1728
Jan 18, 2020 0081871 1468 1/3 0:26 0:11 0:44 (33% | -7)
1745
Jan 18, 2020 0493278 1751 1/3 0:36 1:02 1:18 (31% | -5)
1752
Jan 18, 2020 0695922 1437 1/3 0:24 0:32 0:36 (32% | -8)
1757
Jan 18, 2020 0030889 1112 1/1 0:05 1:20 0:41 (70% | +1)
1765
Dec 18, 2019 0631648 1208 0/3 0:15 0:12 0:36 (0% | -16)
1764
Dec 18, 2019 0980050 1674 1/3 0:32 1:58 0:58 (24% | -8)
1780
Dec 18, 2019 0505742 2102 0/3 0:47 0:58 1:14 (0% | -7)
1788
Date ID Rating Theme Outcome
Nov 14, 2019 0052715 1763 Endgame Tactics, Mate in 2, Mating Net, Zugzwang
Nov 14, 2019 0052715 1763 Endgame Tactics, Mate in 2, Mating Net, Zugzwang
Nov 14, 2019 0052715 1763 Endgame Tactics, Mate in 2, Mating Net, Zugzwang
Nov 14, 2019 0052715 1763 Endgame Tactics, Mate in 2, Mating Net, Zugzwang
Nov 14, 2019 0356545 1870 Decoy / Deflection, Defense, Endgame Tactics, Pawn Promotion, Zugzwang, Zwischenzug, Passed Pawns
Nov 14, 2019 0356545 1870 Decoy / Deflection, Defense, Endgame Tactics, Pawn Promotion, Zugzwang, Zwischenzug, Passed Pawns
Mar 1, 2019 0537074 1424 Fork / Double Attack, Overloading, Simplification, X-Ray Attack, Clearance Sacrifice, Doubled Rook, Passed Pawns, Alekhine's Gun
Mar 1, 2019 0029615 1372 Mating Net, X-Ray Attack, Clearance Sacrifice, Bishop Pair
Mar 1, 2019 0029615 1372 Mating Net, X-Ray Attack, Clearance Sacrifice, Bishop Pair
Mar 1, 2019 0029615 1372 Mating Net, X-Ray Attack, Clearance Sacrifice, Bishop Pair
Mar 1, 2019 0029615 1372 Mating Net, X-Ray Attack, Clearance Sacrifice, Bishop Pair
Mar 1, 2019 0029615 1372 Mating Net, X-Ray Attack, Clearance Sacrifice, Bishop Pair
Mar 1, 2019 0029615 1372 Mating Net, X-Ray Attack, Clearance Sacrifice, Bishop Pair
Feb 22, 2019 0533288 1136 Trapped Piece, Knight Outpost
Feb 22, 2019 0530638 1123 Endgame Tactics, Passed Pawns
Feb 22, 2019 0036447 1134 Attacking Castled King, Pin, Bishop Pair
Feb 22, 2019 0245119 1114 Attacking Castled King, Fork / Double Attack, Passed Pawns
Feb 22, 2019 0588186 1109 Mate in 2, Queen Sacrifice, Doubled Rook, Passed Pawns, Two Rooks Checkmate
Feb 22, 2019 0588186 1109 Mate in 2, Queen Sacrifice, Doubled Rook, Passed Pawns, Two Rooks Checkmate
Feb 22, 2019 0588186 1109 Mate in 2, Queen Sacrifice, Doubled Rook, Passed Pawns, Two Rooks Checkmate
Feb 22, 2019 0046263 1131 Desperado, Exchange Sacrifice, Simplification, Zwischenzug, Knight Outpost, Bishop Pair, Passed Pawns
Feb 22, 2019 0041002 1129 Pin, Queen Sacrifice, Skewer, Battery, Bishop Pair
Feb 22, 2019 0044530 1218 Decoy / Deflection, Pin, Simplification, Vulnerable King, Passed Pawns
Feb 22, 2019 0044530 1218 Decoy / Deflection, Pin, Simplification, Vulnerable King, Passed Pawns
Feb 22, 2019 0038932 1210 Decoy / Deflection, Discovered Attack, Remove the Defender, Sacrifice, Simplification, Vulnerable King, Zwischenzug
Date Result Longest Streak Highest Solved Avg Time per Puzzle
Feb 21, 2020 20 11 1120 0:21
Feb 21, 2020 8 8 481 1:56
Feb 19, 2020 13 10 761 2:16
Feb 14, 2020 7 7 406 139:19
Feb 13, 2020 16 16 880 64:42
Feb 10, 2020 22 18 1220 0:49
Feb 10, 2020 13 12 771 10:25
Feb 7, 2020 24 21 1301 0:32
Feb 7, 2020 1 1 101 0:06
Feb 6, 2020 7 7 411 0:18
Feb 4, 2020 25 20 1427 1:59
Feb 3, 2020 22 13 1219 0:23
Feb 3, 2020 22 14 1247 0:47
Feb 2, 2020 24 18 1386 0:40
Feb 2, 2020 18 18 979 4:29
Feb 1, 2020 13 8 764 0:26
Jan 30, 2020 12 12 687 78:17
Jan 29, 2020 13 13 736 45:11
Jan 29, 2020 15 15 803 22:23
Jan 28, 2020 31 31 1644 38:56
Jan 27, 2020 20 19 1127 17:48
Jan 26, 2020 26 19 1413 2:58
Jan 26, 2020 3 3 203 0:21
Jan 26, 2020 18 17 1057 0:33
Jan 26, 2020 16 7 956 1:52

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