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Tournament: 12th World Under-20 Chess Championship • 447 games + 3 stubs • tournament bulletin (71-page PDF, 5.1mbs)
Venue: Teeside • Dates: 16 July - 4 August 1973 • Download PGN • updated: Sunday January 4, 2026 11:56 AM

1973 (12th) World Under-20 Chess Championship, Teeside, 16 July - 4 August

1973 World U20 Championship: Preliminary A

1973 World U20
Preliminary A		 Fed Elo 1 2 3 4 5 6 7  Total  SoS Final
Group
1 Alexander G Beliavsky USSR 2450m w20+ b8+ w6+ b2= w5+ b4+ w7+ 6½ 28.5 A
2 Anthony J Miles ENG 2375 b19+ w4+ b5= w1= b14+ w13+ b6+ 6 28.0
3 Leslie M Leow SIN   w16- b21+ w12+ b7= w11- b18+ w5+ 4½ 24.5
4 John G Cooper WLS   w11+ b2- w18+ b8+ w7= w1- b9= 4 31.5
5 Larry M Christiansen USA   w18+ b16+ w2= b13+ b1- w9= b3- 4 30.5
6 Roy G Dieks NED   b24+ w17+ b1- w10= b9= w8+ w2- 4 28.5
7 Herbert Scheichel AUT   b23+ w9+ b13- w3= b4= w10+ b1- 4 28.0 B
8 Alberto Campos Ruiz MEX   b10+ w1- b14+ w4- w15+ b6- b17+ 4 27.5
9 Petr Spacek CZE 2225 w21+ b7- w16= b11+ w6= b5= w4= 4 25.5
10 Juan Luis Muniz PRI   w8- b22+ w15+ b6= w13= b7- w11+ 4 24.5
11 Wojciech Ehrenfeucht POL   b4- w23+ b17+ w9- b3+ w14+ b10- 4 24.0
12 Safwan Akkari LBN   b17- w19+ b3- w18- b24+ b16+ w15+ 4 20.5
13 Henry Tanner FIN   w22+ b15= w7+ w5- b10= b2- w14= 3½ 26.0 C
14 Philipp Ammann SUI 2250 w15= b20+ w8- b16+ w2- b11- b13= 3 26.0
15 Manuel Nieto Miguez ESP   b14= w13= b10- w17+ b8- w19+ b12- 3 24.5
16 Adil Feridun Oney TUR   b3+ w5- b9= w14- b19= w12- b23+ 3 24.0
17 Gregory Melrose AUS   w12+ b6- w11- b15- w21+ b20+ w8- 3 24.0
18 Gildardo Garcia COL   b5- w24+ b4- b12+ w20= w3- b21= 3 22.5
19 Francesco Gibellato ITA   w2- b12- w20= b22+ w16= b15- w24+ 3 21.5 D
20 Nikolaos Gavrilakis GRE   b1- w14- b19= w23+ b18= w17- b22= 2½ 22.0
21 Ka Kin Kwan HKG   b9- w3- b23- w24+ b17- w22+ w18= 2½ 19.0
22 Ayar Rodriguez de Castro AND   b13- w10- b24+ w19- b23= b21- w20= 2 18.0
23 Ronald D Camps TTO   w7- b11- w21+ b20- w22= b24- w16- 1½ 19.0
24 Hi Yu Hun JAM   w6- b18- w22- b21- w12- w23+ b19- 1 20.0

1973 World U20 Championship: Preliminary B

1973 World U20
Preliminary B		 Fed Elo 1 2 3 4 5 6 7  Total  SoS Final
Group
1 Nigel Bloch  RSA   2210  w23+ b4= w12+ b2= b9+ w6= b8= 5 29.0 A
2 Michael F Stean ENG 2320 w11= b18+ w16+ w1= b10+ b4= w5= 5 28.0
3 Ioan Biriescu ROU   b25+ w13= b15= w10- b21+ w7+ w9+ 5 23.5
4 Slavoljub Marjanovic YUG 2300 b20+ w1= b10+ w9= b7= w2= b6= 4½ 30.0
5 Javier Freile Martin ECU   w7+ b12- w22+ b13- w11+ w10+ b2= 4½ 27.5
6 Hadi Momeni Roudsari IRI   w12= b22= w18= b16+ w13+ b1= w4= 4½ 25.5
7 Karl Heinz Podzielny GER   b5- w25+ b17+ w15+ w4= b3- w13+ 4½ 25.5 B
8 Bernard Kernan IRL   w18= b16- w11= b22+ w14+ b17+ w1= 4½ 24.0
9 Aldo Emilio Seidler ARG   w16= b14+ w13+ b4= w1- w19+ b3- 4 27.5
10 John MacPhail CAN   w19+ b21+ w4- b3+ w2- b5- w18+ 4 27.5
11 Goran Rorvall SWE   b2= w15- b8= w20+ b5- w23+ b19+ 4 25.5
12 Kristjan Gudmundsson ISL   b6= w5+ b1- w21- b20= w24+ b17+ 4 25.0
13 Edmund Pascual PHP   w17+ b3= b9- w5+ b6- w21+ b7- 3½ 28.0 C
14 Torben Knochel DEN   b26= w9- b24+ w19= b8- w15= b21+ 3½ 20.0
15 Chagai Sheinwald ISR   w22= b11+ w3= b7- w17- b14= w20= 3 25.5
16 Leo Weber LUX   b9= w8+ b2- w6- w23= b18- b25+ 3 25.5
17 Stephen Balmer SCO   b13- w20+ w7- b23+ b15+ w8- w12- 3 25.0
18 Aleks Semokoff NOR   b8= w2- b6= w26+ b19- w16+ b10- 3 24.5
19 Bruno De Jonghe BEL   b10- w26+ w21= b14= w18+ b9- w11- 3 21.5 D
20 Christian Doucet FRA   w4- b17- w25+ b11- w12= b26+ b15= 3 21.0
21 Ian J Sinclair SCO   b24+ w10- b19= b12+ w3- b13- w14- 2½ 25.5
22 Carlos Brunings Jie VEN   b15= w6= b5- w8- b24= w25= b23= 2½ 23.5
23 Victor Strugo RHO   b1- w24= b26+ w17- b16= b11- w22= 2½ 20.5
24 Joseph Lauri MLT   w21- b23= w14- b25= w22= b12- w26+ 2½ 17.5
25 Luis M Santos POR 2270 w3- b7- b20- w24= w26+ b22= w16- 2 21.0
26 Timothy R Knight GCI   w14= b19- w23- b18- b25- w20- b24- ½ 19.5

Players whose sums of opponents' scores were equal were separated by the Sonneborn-Berger count. (bulletin)

1973 World U20 Championship: Final A

1973 World U20
Final A		 Fed Elo 1 2 3 4 5 6 7 8 9 10 11 12  Total 
1 Alexander G Beliavsky USSR 2450m
&;
0 0 1 1 1 ½ 1 1 1 1 1 8½
2 Anthony J Miles ENG 2375 1
&;
1 0 ½ ½ 1 ½ 1 ½ 1 1 8
3 Michael F Stean ENG 2320 1 0
&;
½ ½ 0 1 1 1 ½ 1 1 7½
4 Slavoljub Marjanovic YUG 2300 0 1 ½
&;
½ ½ 1 1 0 1 1 1 7½
5 Larry M Christiansen USA   0 ½ ½ ½
&;
½ 1 1 1 1 ½ 1 7½
6 Nigel Bloch RSA 2210 0 ½ 1 ½ ½
&;
0 ½ 1 ½ 0 ½ 5
7 Leslie M Leow SIN   ½ 0 0 0 0 1
&;
0 1 ½ 1 1 5
8 John G Cooper WLS   0 ½ 0 0 0 ½ 1
&;
0 1 ½ 1 4½
9 Roy G Dieks NED   0 0 0 1 0 0 0 1
&;
½ 1 1 4½
10 Ioan Biriescu ROU   0 ½ ½ 0 0 ½ ½ 0 ½
&;
1 0 3½
11 Hadi Momeni Roudsari IRI   0 0 0 0 ½ 1 0 ½ 0 0
&;
½ 2½
12 Javier Freile Martin ECU   0 0 0 0 0 ½ 0 0 0 1 ½
&;
2

1973 World U20 Championship: Final B

1973 World U20
Final B		 Fed Elo 1 2 3 4 5 6 7 8 9 10 11 12  Total 
1 Petr Spacek  CZE   2225 
&;
½ 1 1 ½ 1 1 1 0 ½ 1 1 8½
2 John MacPhail CAN   ½
&;
1 0 ½ ½ 0 1 ½ 1 1 1 7
3 Goran Rorvall SWE   0 0
&;
1 ½ ½ 1 ½ ½ 1 ½ 1 6½
4 Safwan Akkari LBN   0 1 0
&;
½ 1 0 1 ½ 0 1 1 6
5 Karl Heinz Podzielny GER   ½ ½ ½ ½
&;
½ 0 0 1 1 0 1 5½
6 Wojciech Ehrenfeucht POL   0 ½ ½ 0 ½
&;
1 ½ 1 ½ ½ ½ 5½
7 Herbert Scheichel AUT   0 1 0 1 1 0
&;
½ 0 0 1 1 5½
8 Aldo Emilio Seidler ARG   0 0 ½ 0 1 ½ ½
&;
1 0 1 1 5½
9 Kristjan Gudmundsson ISL   1 ½ ½ ½ 0 0 1 0
&;
½ ½ ½ 5
10 Juan Luis Muniz PRI   ½ 0 0 1 0 ½ 1 1 ½
&;
0 ½ 5
11 Alberto Campos Ruiz MEX   0 0 ½ 0 1 ½ 0 0 ½ 1
&;
½ 4
12 Bernard Kernan IRL   0 0 0 0 0 ½ 0 0 ½ ½ ½
&;
2

1973 World U20 Championship: Final C

1973 World U20
Final C		 Fed Elo 1 2 3 4 5 6 7 8 9 10 11 12  Total 
1 Chagai Sheinwald  ISR   
&;
1 ½ ½ 1 ½ ½ ½ 1 1 1 ½ 8
2 Gildardo Garcia COL   0
&;
1 1 1 0 1 ½ 1 ½ 1 1 8
3 Manuel Nieto Miguez ESP   ½ 0
&;
1 0 1 ½ ½ 1 1 1 1 7½
4 Philipp Ammann  SUI   2250  ½ 0 0
&;
½ ½ 1 0 1 1 1 1 6½
5 Leo Weber LUX   0 0 1 ½
&;
½ ½ 1 0 1 ½ 1 6
6 Adil Feridun Oney TUR   ½ 1 0 ½ ½
&;
0 1 ½ ½ 0 1 5½
7 Aleks Semokoff NOR   ½ 0 ½ 0 ½ 1
&;
½ 1 0 1 ½ 5½
8 Edmund Pascual PHP   ½ ½ ½ 1 0 0 ½
&;
½ ½ 0 1 5
9 Gregory Melrose AUS   0 0 0 0 1 ½ 0 ½
&;
1 1 1 5
10 Stephen Balmer SCO   0 ½ 0 0 0 ½ 1 ½ 0
&;
1 ½ 4
11 Henry Tanner FIN   0 0 0 0 ½ 1 0 1 0 0
&;
0 2½
12 Torben Knochel DEN   ½ 0 0 0 0 0 ½ 0 0 ½ 1
&;
2½

1973 World U20 Championship: Final D

1973 World U20
Final D		 Fed Elo 1 2 3 4 5 6 7 8 9 10 11  Total 
1 Ian J Sinclair  SCO    b8+ w11+ w4+ b2+ b3= w7+ b9+ w10+ w5+ b6= w12+ 10
2 Christian Doucet FRA   b7= w9+ b6+ w1- w4+ b3= w5+ b11+ w13+ b10= b8= 8
3 Nikolaos Gavrilakis GRE   w10+ b4- w5+ b14+ w1= w2= b11= b6+ w7+ w9= b13= 7½
4 Bruno De Jonghe BEL   b13+ w3+ b1- w6+ b2- w11= b8+ w14+ b9= w5- w10= 6½
5 Carlos Brunings Jie VEN   b12= w7= b3- b13+ w14= w9= b2- w8+ b1- b4+ bye+ 6
6 Luis M Santos POR  2270  b9= w12+ w2- b4- b8- w13= b7+ w3- b10= w1= w11+ 5
7 Ronald D Camps TTO   w2= b5= w14= b11= w10= b1- w6- w12= b3- b13+ w9+ 5
8 Hi Yu Hun JAM   w1- b14- w13- b12= w6+ b10+ w4- b5- bye+ b11+ w2= 5
9 Ka Kin Kwan HKG   w6= b2- w12+ b10= w11= b5= w1- b13= w4= b3= b7- 4½
10 Joseph Lauri MLT   b3- w13+ b11= w9= b7= w8- b12= b1- w6= w2= b4= 4½
11 Francesco Gibellato ITA   w14+ b1- w10= w7= b9= b4= w3= w2- b12+ w8- b6- 4½
12 Timothy R Knight GCI   w5= b6- b9- w8= w13= b14= w10= b7= w11- bye+ b1- 4
13 Ayar Rodriguez de Castro AND   w4- b10- b8+ w5- b12= b6= w14= w9= b2- w7- w3= 3½
14 Victor Strugo RHO   b11- w8+ b7= w3- b5= w12= b13= b4- withdrew 3 / 8

 

File Updated

Date Notes
31 December 2025 Initial upload. 447 games and crosstables.
4 January 2026 The tournament bulletin (71-page PDF, 5.1mbs) of this event now available online.