{"id":10867,"date":"2025-09-17T17:37:39","date_gmt":"2025-09-17T12:07:39","guid":{"rendered":"https:\/\/55nda.com\/blogs\/anil-khosla\/?p=10867"},"modified":"2025-09-17T17:41:05","modified_gmt":"2025-09-17T12:11:05","slug":"18th-world-sudoku-championship","status":"publish","type":"post","link":"https:\/\/55nda.com\/blogs\/anil-khosla\/2025\/09\/17\/18th-world-sudoku-championship\/","title":{"rendered":"746: 18th World Sudoku Championship 2025"},"content":{"rendered":"

 <\/p>\n

 <\/p>\n

\"\"<\/p>\n

 <\/p>\n

270 Participants\u00a0 35 Countries<\/span><\/p>\n

14 Rounds (10 Individual + 4 Team Rounds)<\/span><\/p>\n

140 Grids and 88 variants<\/span><\/p>\n

 <\/p>\n

7200 Points at stake for team round<\/span><\/p>\n

and<\/span><\/p>\n

4200 points for individual rounds<\/span><\/p>\n

 <\/p>\n

ALL THE BEST TEAM INDIA<\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\nIND<\/td>\nSahith Malepati<\/td>\nUN<\/span><\/td>\n<\/td>\n<\/tr>\n
<\/td>\nIND<\/td>\nSwathi Reddy Mogiligundla<\/td>\nQ<\/span><\/td>\n<\/td>\n<\/tr>\n
<\/td>\nIND<\/td>\nNityant Agarwal<\/td>\nB<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nIND<\/td>\nTigran Wadia<\/td>\nB<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nIND<\/td>\nTushar Maheshwari<\/td>\nB<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nIND<\/td>\nSwaroop Guggilam<\/td>\nB<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nIND<\/td>\nKartik Reddy<\/td>\nA<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nIND<\/td>\nJaipal Reddy M<\/td>\nA<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nIND<\/td>\nPrasanna Seshadri<\/td>\nA<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nIND<\/td>\nHemant Malani<\/td>\nA<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0<\/strong><\/span><\/p>\n\n\n\n\n
ROUND 01<\/strong><\/span><\/td>\nRoad to Eger!<\/strong><\/span><\/td>\n<\/tr>\n
Individual round<\/span><\/td>\n30 minutes<\/span><\/td>\n300 points<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\nShifted Sudoku<\/span><\/td>\n50 points<\/strong><\/span><\/td>\n<\/tr>\n
<\/td>\n<\/td>\nPinocchio Sudoku<\/span><\/td>\n30 points<\/strong><\/span><\/td>\n<\/tr>\n
<\/td>\n<\/td>\nPyramid Sudoku<\/span><\/td>\n30 points<\/strong><\/span><\/td>\n<\/tr>\n
<\/td>\n<\/td>\nSurplus Sudoku<\/span><\/td>\n50 points<\/strong><\/span><\/td>\n<\/tr>\n
<\/td>\n<\/td>\nCube Sudoku<\/span><\/td>\n35 points<\/strong><\/span><\/td>\n<\/tr>\n
<\/td>\n<\/td>\nMirror Sudoku<\/span><\/td>\n20 points<\/strong><\/span><\/td>\n<\/tr>\n
<\/td>\n<\/td>\nCoded Sudoku<\/span><\/td>\n40 points<\/strong><\/span><\/td>\n<\/tr>\n
<\/td>\n<\/td>\nGreater then Sudoku<\/span><\/td>\n35 points<\/strong><\/span><\/td>\n<\/tr>\n
<\/td>\n<\/td>\n0-9 Kropki Sudoku<\/span><\/td>\n65 points<\/strong><\/span><\/td>\n<\/tr>\n
<\/td>\n<\/td>\nThermo Sudoku<\/span><\/td>\n30 points<\/strong><\/span><\/td>\n<\/tr>\n
<\/td>\n<\/td>\nKiller Sudoku<\/span><\/td>\n35 points<\/strong><\/span><\/td>\n<\/tr>\n
<\/td>\n<\/td>\nParity Lines Sudoku<\/span><\/td>\n45 points<\/strong><\/span><\/td>\n<\/tr>\n
<\/td>\n<\/td>\nShape Sudoku<\/span><\/td>\n60 points<\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n
ROUND 02<\/strong><\/span><\/td>\nClassic Sprint<\/strong><\/span><\/td>\n<\/tr>\n
Individual round<\/span><\/td>\n20 minutes<\/span><\/td>\n200 points<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n
Classic Sudoku\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 10 points<\/strong><\/span><\/td>\n10 points<\/strong><\/span><\/td>\n15 points<\/strong><\/span><\/td>\n<\/tr>\n
\u00a0 15 points<\/strong><\/span><\/td>\n15 points<\/strong><\/span><\/td>\n15 points<\/strong><\/span><\/td>\n<\/tr>\n
15 points<\/strong><\/span><\/td>\n20 points<\/strong><\/span><\/td>\n20 points<\/strong><\/span><\/td>\n<\/tr>\n
20 points<\/strong><\/span><\/td>\n20 points<\/strong><\/span><\/td>\n25 points<\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n
ROUND<\/strong> 03<\/strong><\/span><\/td>\nParity<\/strong> Party<\/strong><\/span><\/td>\n<\/tr>\n
Individual round<\/span><\/td>\n40 minutes<\/span><\/td>\n400 points<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
1.<\/span><\/td>\nEven \/ Odd Sudoku<\/span><\/td>\n20 points<\/strong><\/span><\/td>\n<\/tr>\n
2.<\/span><\/td>\nEven \/ Odd Sudoku<\/span><\/td>\n20 points<\/strong><\/span><\/td>\n<\/tr>\n
3.<\/span><\/td>\nDifferent Parity Sudoku<\/span><\/td>\n40 points<\/strong><\/span><\/td>\n<\/tr>\n
4.<\/span><\/td>\nDifferent Parity Sudoku<\/span><\/td>\n65 points<\/strong><\/span><\/td>\n<\/tr>\n
5.<\/span><\/td>\nTic-tac-toe Sudoku<\/span><\/td>\n25 points<\/strong><\/span><\/td>\n<\/tr>\n
6.<\/span><\/td>\nBattenburg Sudoku<\/span><\/td>\n30 points<\/strong><\/span><\/td>\n<\/tr>\n
7.<\/span><\/td>\nFirst Even \/ Odd Sudoku<\/span><\/td>\n40 points<\/strong><\/span><\/td>\n<\/tr>\n
8.<\/span><\/td>\nFirst Even \/ Odd Sudoku<\/span><\/td>\n55 points<\/strong><\/span><\/td>\n<\/tr>\n
9.<\/span><\/td>\nEven Sandwich Sudoku<\/span><\/td>\n45 points<\/strong><\/span><\/td>\n<\/tr>\n
10.<\/span><\/td>\nOdd Labyrinth Sudoku<\/span><\/td>\n60 points<\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n
ROUND 04<\/strong><\/span><\/td>\nHalved Squares<\/strong><\/span><\/td>\n<\/tr>\n
Individual round<\/span><\/td>\n50 minutes<\/span><\/td>\n500 points<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \n
  1. Halved Squares Sudoku 30 points<\/strong><\/span><\/li>\n
  2. Halved Squares Sudoku 45 points<\/strong><\/span><\/li>\n
  3. HS Outside Sudoku 35 points<\/strong><\/span><\/li>\n
  4. HS Outside Sudoku 85 points<\/strong><\/span><\/li>\n
  5. HS Thermo Sudoku 20 points<\/strong><\/span><\/li>\n
  6. HS Thermo Sudoku 80 points<\/strong><\/span><\/li>\n
  7. HS Killer Sudoku 60 points<\/strong><\/span><\/li>\n
  8. HS Killer Sudoku 145 points<\/strong><\/span><\/li>\n<\/ol>\n

    \u00a0<\/strong><\/p>\n\n\n\n\n
    ROUND 05<\/strong><\/span><\/td>\nSmall World<\/strong><\/span><\/td>\n<\/tr>\n
    Individual round<\/span><\/td>\n40 minutes<\/span><\/td>\n390 points<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Search 6\u00a0 \u00a0 \u00a0 \u2013 Irregular\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 25 + 25 points<\/strong><\/span><\/p>\n

    Thermo \u2013 Arrow\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 25 + 25 points<\/strong><\/span><\/p>\n

    Kropki Pairs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u2013 Clock\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 25 + 25 points<\/strong><\/span><\/p>\n

    Deficit\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u2013 Surplus\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 25 + 25 points <\/strong><\/span><\/p>\n

    Clone\u00a0\u00a0 \u2013 Same\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 25 + 25 points<\/strong><\/span><\/p>\n

    Neighbours\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 25 + 25 points<\/strong><\/span><\/p>\n

    Diagonally NC \u2013 Palindrome\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 15 + 15 points<\/strong><\/span><\/p>\n

    Extra\u00a0 Irregular Sudoku\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 15 + 15 points\u00a0<\/strong><\/span><\/p>\n

    \u00a0<\/strong><\/p>\n\n\n\n\n
    ROUND 06<\/strong><\/span><\/td>\nCalculated Fun<\/strong><\/span><\/td>\n<\/tr>\n
    Individual round<\/span><\/td>\n45 minutes<\/span><\/td>\n450 points<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n
    1. Killer Sudoku 35 points<\/strong><\/span><\/li>\n
    2. Arrow 0-8 Sudoku 70 points<\/strong><\/span><\/li>\n
    3. Before Nine Sudoku 45 points<\/strong><\/span><\/li>\n
    4. Upper Right Heavy Killer Sudoku 70 points<\/strong><\/span><\/li>\n
    5. Same Sum Sudoku 70 points<\/strong><\/span><\/li>\n
    6. Same Product Sudoku 35 points<\/strong><\/span><\/li>\n
    7. Multiplication Table Sudoku 35 points<\/strong><\/span><\/li>\n
    8. Dot Sum Sudoku 90 points<\/strong><\/span><\/li>\n<\/ol>\n

      \u00a0<\/strong><\/span><\/p>\n\n\n\n\n
      ROUND 07<\/strong><\/span><\/td>\nSpot One!<\/strong><\/span><\/td>\n<\/tr>\n
      Individual round<\/span><\/td>\n50 minutes<\/span><\/td>\n400 points<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
        \n
      1. Spot One Sudoku 80 points<\/strong><\/span><\/li>\n
      2. Spot One Sudoku 80 points<\/strong><\/span><\/li>\n
      3. Spot One Sudoku 80 points<\/strong><\/span><\/li>\n
      4. Spot One Sudoku 80 points<\/strong><\/span><\/li>\n
      5. Spot One Sudoku 80 points<\/strong><\/span><\/li>\n<\/ol>\n

        \u00a0<\/strong><\/p>\n\n\n\n\n
        ROUND 08<\/strong><\/span><\/td>\nCircle of Sudoku<\/strong><\/span><\/td>\n<\/tr>\n
        Team round<\/span><\/td>\n45 minutes<\/span><\/td>\n1800 points<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
          \n
        1. Renban Sudoku 180 points<\/strong><\/span><\/li>\n
        2. Anti-XV Group Sudoku 180 points<\/strong><\/span><\/li>\n
        3. Fortress Sudoku 180 points<\/strong><\/span><\/li>\n
        4. All even \/ all odd Sudoku 180 points<\/strong><\/span><\/li>\n
        5. Classic Sudoku 180 points<\/strong><\/span><\/li>\n
        6. Classic Sudoku 180 points<\/strong><\/span><\/li>\n
        7. All even \/ all odd Sudoku 180 points<\/strong><\/span><\/li>\n
        8. Fortress Sudoku 180 points<\/strong><\/span><\/li>\n
        9. Anti-XV Group Sudoku 180 points<\/strong><\/span><\/li>\n
        10. Renban Sudoku 180 points<\/strong><\/span><\/li>\n<\/ol>\n

           <\/p>\n\n\n\n\n
          ROUND 09<\/strong><\/span><\/td>\nThe Patchwork Challenge<\/strong><\/span><\/td>\n<\/tr>\n
          \u00a0<\/strong>Team round<\/span><\/td>\n45 minutes<\/span><\/td>\n\u00a0<\/strong>1800 points<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u00a0<\/strong>1-9.\u00a0\u00a0\u00a0\u00a0\u00a0 Patchwork Sudoku\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 200 points each<\/strong><\/span><\/p>\n

          \u00a0<\/strong><\/p>\n\n\n\n\n
          ROUND 10<\/strong><\/span><\/td>\nClassic Uphill<\/strong><\/span><\/td>\n<\/tr>\n
          Individual round<\/span><\/td>\n40 minutes<\/span><\/td>\n400 points<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

           <\/p>\n\n\n\n\n\n\n
          Classic Sudoku\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 25 points<\/strong><\/span><\/td>\n25 points<\/strong><\/span><\/td>\n25 points<\/strong><\/span><\/td>\n<\/tr>\n
          25 points<\/strong><\/span><\/td>\n30 points<\/strong><\/span><\/td>\n30 points<\/strong><\/span><\/td>\n<\/tr>\n
          30 points<\/strong><\/span><\/td>\n35 points<\/strong><\/span><\/td>\n35 points<\/strong><\/span><\/td>\n<\/tr>\n
          40 points<\/strong><\/span><\/td>\n45 points<\/strong><\/span><\/td>\n55 points<\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

           <\/p>\n\n\n\n\n
          ROUND 12<\/strong><\/span><\/td>\nSudoku Mix<\/strong><\/span><\/td>\n<\/tr>\n
          Individual round<\/span><\/td>\n80 minutes<\/span><\/td>\n800 points<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
            \n
          1. Outside 234 Sudoku 80 points<\/strong><\/span><\/li>\n
          2. Classic Sudoku 30 points<\/strong><\/span><\/li>\n
          3. Diagonal Sudoku 45 points<\/strong><\/span><\/li>\n
          4. Relation Even \/ Odd Sudoku 15 points<\/strong><\/span><\/li>\n
          5. Rossini Sudoku 45 points<\/strong><\/span><\/li>\n
          6. Shape Sudoku 30 points<\/strong><\/span><\/li>\n
          7. Battenburg Sudoku 30 points<\/strong><\/span><\/li>\n
          8. Sequences Sudoku 40 points<\/strong><\/span><\/li>\n
          9. Tile Sudoku 30 points<\/strong><\/span><\/li>\n
          10. Ten Box Sudoku 45 points<\/strong><\/span><\/li>\n
          11. Termination Sudoku 85 points<\/strong><\/span><\/li>\n
          12. Sudokuro 55 points<\/strong><\/span><\/li>\n
          13. Self-Joint Sudoku 20 points<\/strong><\/span><\/li>\n
          14. Pole Position Sudoku 35 points<\/strong><\/span><\/li>\n
          15. Fraction Sudoku 65 points<\/strong><\/span><\/li>\n
          16. Sequence Top-bottom Sudoku 55 points<\/strong><\/span><\/li>\n
          17. Plus-Minus Sudoku 45 points<\/strong><\/span><\/li>\n
          18. Coded Pointing Evens Sudoku 50 points<\/strong><\/span><\/li>\n<\/ol>\n

            \u00a0<\/strong><\/p>\n\n\n\n\n
            ROUND 13<\/strong><\/span><\/td>\nWeakest Link Revised<\/strong><\/span><\/td>\n<\/tr>\n
            Team round<\/span><\/td>\n45 minutes<\/span><\/td>\n1800 points<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

             <\/p>\n\n\n\n\n\n\n\n\n
            01-04.<\/span><\/td>\nIrregular Sudoku<\/span><\/td>\n4 * 75 points<\/strong><\/span><\/td>\n<\/tr>\n
            05-08.<\/span><\/td>\nKiller Sudoku<\/span><\/td>\n4 * 75 points<\/strong><\/span><\/td>\n<\/tr>\n
            09-12.<\/span><\/td>\nNext to Nine Sudoku<\/span><\/td>\n4 * 75 points<\/strong><\/span><\/td>\n<\/tr>\n
            13-16.<\/span><\/td>\nDifference Sudoku<\/span><\/td>\n4 * 75 points<\/strong><\/span><\/td>\n<\/tr>\n
            17-20.<\/span><\/td>\nDistance Sudoku<\/span><\/td>\n4 * 75 points<\/strong><\/span><\/td>\n<\/tr>\n
            21-24.<\/span><\/td>\nOutside Sudoku<\/span><\/td>\n4 * 75 points<\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

             <\/p>\n\n\n\n\n
            ROUND 14<\/strong><\/span><\/td>\nUtter Chaos<\/strong><\/span><\/td>\n<\/tr>\n
            Team round<\/span><\/td>\n45 minutes<\/span><\/td>\n1800 points<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            Bottom layer\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4 * 275 points<\/strong><\/span><\/p>\n

            Middle layer\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4 * 125 points<\/strong><\/span><\/p>\n

            Top layer\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4 * 50 points<\/strong><\/span><\/p>\n

            \u00a0<\/strong><\/span><\/p>\n

            MENTALLY EXHAUSTING SCHEDULE AND LINE UP OF SUDOKUS<\/span><\/p>\n

             <\/p>\n