Here are the 2005 Puzzle Design Tournament puzzles and the best answers submitted in the tournament.
You can download the puzzle file (pdf) of this tournament here.
You can see the detailed results of this tournament here.
Errata page.


Puzzle by Rajkumar Pal
Best answer
100: 63,93,75,95,79,85,76,96,36,70; 30,81,77,99,89,88,87,60,62,34; 51,97,83,73,100,92,71,98,94,42; 46,67,91,90,84,80,82,64,74,86; 72,61,68,24,26,78,69,56,66,54; 57,65,47,50,58,52,43,59,48,32; 15,55,53,39,44,49,33,45,41,38; 40,28,37,20,35,16,31,29,27,6; 25,13,17,22,19,12,18,11,21,5; 2,23,8,14,9,10,7,3,4,1
by Tim Roberts, Luke Pebody, Andreas Bolota



Puzzle by Ivan Ivec
Best answer
982: A13-D11, B1-D4, B8-D5-R, B16-E14, C6-A9-R, C19-F17, D15-A17, E5-C2, E9-G6-R, E10-B12, E18-B20, F5-I7-R, G2-J4-R, H11-E13, H18-J15-R, I3-F1-R, I14-F16, I16-G19-R, J5-M3, K19-M16-R, L17-J20-R, M13-P11, M19-P17, N2-K4, O4-Q1-R, P2-N5-R, P14-S12, Q7-N9, Q9-T7, Q16-N18, R5-T2-R, R18-T15-R, S3-Q6-R, S8-P10, S16-Q19-R, T11-Q13
by Andreas Bolota



Puzzle by Nuri Yilmaz
Best answer
106: J10, A1, H9, D2, I7, B3, F8, E4, C6, G5
by Jonathan Rivet



Puzzle by Christian Romon
Best answer
1124: 38,44,50,52,55,61,64,68,72,80,85,87,89,91,93,95
by Tim Roberts



Puzzle by Kahraman Gunduz
Best answer
226: B4-Q, F3-T, H2-T, H7-V, J9-R; 1-2,6-2, 8-5, C-5, F-5
by Rajkumar Pal



Puzzle by Jensen Lai
Best answer
55: 2,13,15, 5,10,35; 17,12, 3,30, 6,18; 8,16,24,20,19, 7; 1, 4, 9,25,36,23; 27,28,21,29,11,14; 22,32,31,26,33,34
by Rajkumar Pal, Nuri Yilmaz, Christian Romon, Tomoaki Tokunaga



Puzzle by Tim Roberts
Best answer
68: eF,GdHcIxJdIexJfxgIHhixjIklmJxnI
by Anatoliy Kazmerchuk, Srinivasan Paul Pandian, Alberto Fabris, Tomoaki Tokunaga, Andreas Bolota, Zafer Huseyin Ergan



Puzzle by Rodrigo Nungaray
Best answer
1140: Z, 25, alphabetical, difference, differences, so, to, two
by Rajkumar Pal, Ivan Ivec, Anatoliy Kazmerchuk, Tomoaki Tokunaga, Ken Duisenberg, Luke Pebody, Andreas Bolota



Puzzle by Anatoliy Kazmerchuk
Best answer
1623602: A-1L, B-1R, E-8F, F-8R, G-8L, H-8F, I-1R, J-1L, K-1L, L-1F, M-8R, N-8F, O-3F, P-4L, Q-7L, R-7R, S-8L, T-1F; 323338394041XX, 31343752514243X, 3035365350X4445, 2928272649484746, 2223242516151413, 2120191817X1112, XXXXXX1009, 0102030405060708
by Ivan Ivec



Puzzle by Srinivasan Paul Pandian
Best answer
127: 2,5,6,10; 3,13,9,16; 8,12,14,15; 1,7,4,11
by Ken Duisenberg, Luke Pebody, Andreas Bolota



Puzzle by Alberto Fabris
Best answer
2005:704310871581
by Tim Roberts, Jonathan Rivet, Tomoaki Tokunaga, Andreas Bolota, Zafer Huseyin Ergan



Puzzle by Jonathan Rivet
Best answer
84: 497884-5, 1+-08+--, +51+31+9, 927+45+6, x+++1++2, 546-96+0, -++x+1+1, 2x435-27
by Ivan Ivec, Tomoaki Tokunaga



Puzzle by Tomoaki Tokunaga
Best answer
48,1: UUUEXFFE,UYUXXXFF,YYYYXZFE,TVVVTZZZ,TTTVILNZ,TWWVILNE,WWPPILNN,WPPPILLN: ABCCCCBB,BBBCBCCB,BDBCBBBB,BDBCCCEB,BDBEEEEB,DDBBBBBB,DBBFFFFB,BBGGGGFF
by Tim Roberts, Anatoliy Kazmerchuk, Aziz Ates



Puzzle by Ken Duisenberg
Best answer
314: 1732689, 6857914, 7968B97, 9B79862, 894B938, 2819756, 4698375
by Tomoaki Tokunaga



Puzzle by Aziz Ates
Best answer
1501: .......,.VVV.F.,.V.FFF.,.V..F..,.UU.N..,..U.NN.,.UU..N.,.PPP.N.,.PP..Y.,..T.YY.,..T..Y.,.TTT.Y., ..X..L.,.XXX.L.,..X..L.,.ZZ.LL.,..Z..I.,.WZZ.I.,.WW..I., ..WW.I.,.....I.,A,C-W,B
by Christian Romon



Puzzle by Luke Pebody
Best answer
183: B1,C1,D1,E1,F1,G1,H1,I1,J1,J2; A1,A2,B2,C2,D2,E2,F2,G2,H2,I2; A3,B3,C3,D3,E3,F3,G3,H3,I3,J3; A4,B4,C4,A5,C5,D5,A6,C6,D6,A7; D4,E4,F4,E5,F5,E6,E7,F7,G7,G8; G4,H4,I4,J4,G5,J5,F6,G6,H6,H7; B5,B6,B7,C7,D7,B8,C8,D8,E8,F8; H5,I5,I6,J6,I7,J7,H8,I8,J8,J9; A8,A9,B9,C9,D9,E9,F9,G9,H9,I9; A10,B10,C10,D10,E10,F10,G10,H10,I10,J10 - 130: B1,C1,F1,A2,G2,H2,A3,D3,F3,I3,B4,C4,E4,G4,A5,C6,G6,J6,A7,G7,I7,D8,I8,J8,C9,E9,G9,B10,D10,E10,I10 - 313: A1,B1,C1,D1,F1,G1,A2,E2,G2,H2,I2,J2,A3,D3,F3,G3,I3,B4,C4,E4,G4,A5,E5,G5,H5,A6,C6,D6,G6,H6, J6,A7,C7,D7,G7,I7,A8,B8,D8,E8,G8,I8,J8,B9,C9,E9,F9,G9,J9,B10,D10,E10,G10,H10,I10
by Tomoaki Tokunaga



Puzzle by Andreas Bolota
Best answer
97: CxDxExABx, xCxDxExAB, BxCxDxExA, ABxCxDxEx, xABxCxDxE, ExABxCxDx, xExABxCxD, DxExABxCx, xDxExABxC; D1, DRDRDRDRDRRULULULULULULUURDRDRDRDRDRDRDDRUUULULULULULURRDRDRDRD
by Ivan Ivec, Christian Romon, Tim Roberts, Anatoliy Kazmerchuk, Tomoaki Tokunaga



Puzzle by George Klemic
Best answer
45:APPLEAPRICOTWATERMELONLEMONLIMEAVOCADOSTRAWBERRYPEARPEACHORANGECANTALOUPE BANANABLUEBERRYRASPBERRY
by Christian Romon, Tomoaki Tokunaga, Andreas Bolota



Puzzle by Zafer Huseyin Ergan
Best answer
4,5: 23814910567,54110763892,61258347109,76329451018,10769218345,38561294710, 45103672981,12983107654,89471056123,91074581236
by Ivan Ivec, Nuri Yilmaz, Christian Romon, Jensen Lai, Tim Roberts, Anatoliy Kazmerchuk, Alberto Fabris, Tomoaki Tokunaga, Luke Pebody



Puzzle by Bogdan Gheorghe
Best answer
4,5: 23814910567,54110763892,61258347109,76329451018,10769218345,38561294710, 45103672981,12983107654,89471056123,91074581236
by Rajkumar Pal, Ivan Ivec, Nuri Yilmaz, Christian Romon, Kahraman Gunduz, Jensen Lai, Tim Roberts, Rodrigo Nungaray, Anatoliy Kazmerchuk, Srinivasan Paul Pandian, Alberto Fabris, Jonathan Rivet, Tomoaki Tokunaga, Ken Duisenberg, Aziz Ates, Luke Pebody