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surendraval

Surendra Vallabhaneni

Hillsborough, New Jersey, United States
Highest
1615
Aug 9, 2014
Lowest
1075
May 21, 2011
  • Training Time
  • Passed
  • Failed
4,500 Puzzles
2,331 51%
2,169 49%

Puzzle Themes

Category Score
Opposition 100%
  • Opposition
  • Attempts: 1
  • Passed: 1
  • Failed: 0
  • Avg Score: 100.00
Defense 59%
  • Defense
  • Attempts: 483
  • Passed: 257
  • Failed: 226
  • Avg Score: 59.00
Hanging Piece 57%
  • Hanging Piece
  • Attempts: 679
  • Passed: 382
  • Failed: 297
  • Avg Score: 57.00
Windmill 56%
  • Windmill
  • Attempts: 24
  • Passed: 9
  • Failed: 15
  • Avg Score: 56.00
Desperado 56%
  • Desperado
  • Attempts: 98
  • Passed: 54
  • Failed: 44
  • Avg Score: 56.00
Mate in 1 56%
  • Mate in 1
  • Attempts: 207
  • Passed: 128
  • Failed: 79
  • Avg Score: 56.00
Stalemate 55%
  • Stalemate
  • Attempts: 30
  • Passed: 12
  • Failed: 18
  • Avg Score: 55.00
Perpetual Check 54%
  • Perpetual Check
  • Attempts: 11
  • Passed: 5
  • Failed: 6
  • Avg Score: 54.00
En passant 54%
  • En passant
  • Attempts: 26
  • Passed: 14
  • Failed: 12
  • Avg Score: 54.00
Simplification 54%
  • Simplification
  • Attempts: 284
  • Passed: 143
  • Failed: 141
  • Avg Score: 54.00
Pin 54%
  • Pin
  • Attempts: 739
  • Passed: 379
  • Failed: 360
  • Avg Score: 54.00
Mate in 2 53%
  • Mate in 2
  • Attempts: 531
  • Passed: 280
  • Failed: 251
  • Avg Score: 53.00
Overloading 53%
  • Overloading
  • Attempts: 212
  • Passed: 109
  • Failed: 103
  • Avg Score: 53.00
Skewer 53%
  • Skewer
  • Attempts: 189
  • Passed: 96
  • Failed: 93
  • Avg Score: 53.00
Remove the Defender 53%
  • Remove the Defender
  • Attempts: 544
  • Passed: 276
  • Failed: 268
  • Avg Score: 53.00
Vulnerable King 52%
  • Vulnerable King
  • Attempts: 658
  • Passed: 316
  • Failed: 342
  • Avg Score: 52.00
Back Rank 52%
  • Back Rank
  • Attempts: 258
  • Passed: 129
  • Failed: 129
  • Avg Score: 52.00
Mate in 3+ 52%
  • Mate in 3+
  • Attempts: 872
  • Passed: 399
  • Failed: 473
  • Avg Score: 52.00
Mating Net 52%
  • Mating Net
  • Attempts: 712
  • Passed: 341
  • Failed: 371
  • Avg Score: 52.00
Promotion 52%
  • Promotion
  • Attempts: 247
  • Passed: 121
  • Failed: 126
  • Avg Score: 52.00
Double Check 52%
  • Double Check
  • Attempts: 73
  • Passed: 35
  • Failed: 38
  • Avg Score: 52.00
Sacrifice 52%
  • Sacrifice
  • Attempts: 314
  • Passed: 153
  • Failed: 161
  • Avg Score: 52.00
Fork / Double Attack 51%
  • Fork / Double Attack
  • Attempts: 959
  • Passed: 465
  • Failed: 494
  • Avg Score: 51.00
Discovered Attack 51%
  • Discovered Attack
  • Attempts: 459
  • Passed: 219
  • Failed: 240
  • Avg Score: 51.00
Exchange Sacrifice 50%
  • Exchange Sacrifice
  • Attempts: 163
  • Passed: 80
  • Failed: 83
  • Avg Score: 50.00
Trapped Piece 50%
  • Trapped Piece
  • Attempts: 245
  • Passed: 123
  • Failed: 122
  • Avg Score: 50.00
X-Ray Attack 50%
  • X-Ray Attack
  • Attempts: 92
  • Passed: 43
  • Failed: 49
  • Avg Score: 50.00
Zwischenzug 49%
  • Zwischenzug
  • Attempts: 324
  • Passed: 151
  • Failed: 173
  • Avg Score: 49.00
Decoy / Deflection 48%
  • Decoy / Deflection
  • Attempts: 594
  • Passed: 264
  • Failed: 330
  • Avg Score: 48.00
Basic Checkmates 48%
  • Basic Checkmates
  • Attempts: 330
  • Passed: 157
  • Failed: 173
  • Avg Score: 48.00
Queen Sacrifice 47%
  • Queen Sacrifice
  • Attempts: 192
  • Passed: 90
  • Failed: 102
  • Avg Score: 47.00
Clearance Sacrifice 47%
  • Clearance Sacrifice
  • Attempts: 184
  • Passed: 82
  • Failed: 102
  • Avg Score: 47.00
Endgame Tactics 46%
  • Endgame Tactics
  • Attempts: 276
  • Passed: 113
  • Failed: 163
  • Avg Score: 46.00
Attacking Castled King 45%
  • Attacking Castled King
  • Attempts: 260
  • Passed: 109
  • Failed: 151
  • Avg Score: 45.00
Zugzwang 41%
  • Zugzwang
  • Attempts: 43
  • Passed: 14
  • Failed: 29
  • Avg Score: 41.00
Interference 41%
  • Interference
  • Attempts: 90
  • Passed: 34
  • Failed: 56
  • Avg Score: 41.00
4-Move Checkmate 39%
  • 4-Move Checkmate
  • Attempts: 82
  • Passed: 31
  • Failed: 51
  • Avg Score: 39.00
Smothered Mate 35%
  • Smothered Mate
  • Attempts: 54
  • Passed: 14
  • Failed: 40
  • Avg Score: 35.00
Underpromotion 29%
  • Underpromotion
  • Attempts: 12
  • Passed: 1
  • Failed: 11
  • Avg Score: 29.00

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