Chess

Sinclair and Amstrad's Chess programs were branded re-releases of the Mikro-Gen originals: MasterChess for the Spectrum and Amstrad, and Chess for the ZX81.

SINCLAIR

May 83 - November 84

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ALL	M/F	ZX	81
29	22	7	1
Oct 83	Nov 84	Jul 83	Sep 83

Sources

(click here for more information on the data shown below)

All Formats (MRIB)


29	4 WEEKS to c.83-10-13	PeCG #2 p11 Dec 83 83-10-28

Multi-Format (MRIB)


26 ZX	2 WEEKS to 83-07-28	PeCN p11 83-08-11
30 ZX	2 WEEKS to 83-09-29	PeCN p11 83-10-06

Multi-Format (NOP)


23 ZX	2 WEEKS to 84-10-23	( CVG #38 p107 Dec 84 84-11-16 )
23 ZX	2 WEEKS to 84-10-23	( SU #33 p70 Dec 84 )
22 ZX	2 WEEKS to 84-11-06	CVG #38 p107 Dec 84 84-11-16
		SU #33 p70 Dec 84

Spectrum (WHSmith)


10	WEEK to c.83-05-05	SU #16 p13 Jul 83
10	WEEK to c.83-05-19	PoCW p51 83-06-02
9	WEEK to c.83-05-26	PoCW p47 83-06-09
10	WEEK to c.83-06-02	PoCW p47 83-06-16
10	WEEK to c.83-06-23	PoCW p51 83-07-07
10	WEEK to c.83-06-30	PoCW p47 83-07-14
7	WEEK to c.83-07-14	PoCW p47 83-07-28
9	WEEK to c.83-07-21	PoCW p47 83-08-04
9	WEEK to c.83-08-25	PoCW p47 83-09-08
9	WEEK to c.83-09-15	PoCW p55 83-09-29

ZX81 (Boots)


5	WEEK to c.83-07-07	PoCW p47 83-07-21
7	WEEK to c.83-07-14	PoCW p47 83-07-28
1	WEEK to c.83-09-01	PoCW p59 83-09-15
1	WEEK to c.83-09-08	PoCW p47 83-09-22
6	WEEK to c.83-11-03	PoCW p70 83-11-17
6	WEEK to c.83-11-10	PoCW p78 83-11-24
5	WEEK to c.83-11-17	PoCW p70 83-12-01
3	WEEK to c.83-12-29	PoCW p62 84-01-05
4	WEEK to c.84-01-05	PoCW p58 84-01-12
5	WEEK to c.84-01-12	PoCW p66 84-01-19
7	WEEK to c.84-03-08	PoCW p58 84-03-15
10	WEEK to c.84-04-26	PoCW p58 84-05-03
2	WEEK to c.84-05-03	PoCW p58 84-05-10
4	WEEK to c.84-05-10	PoCW p58 84-05-17
6	WEEK to c.84-05-17	PoCW p54 84-05-24
10	WEEK to c.84-10-04	PoCW p58 84-10-11

ZX81 (WHSmith)


4	WEEK to c.83-05-05	SU #16 p13 Jul 83
7	WEEK to c.83-05-12	PoCW p55 83-05-26
4	WEEK to c.83-05-19	PoCW p51 83-06-02
4	WEEK to c.83-05-26	PoCW p47 83-06-09
3	WEEK to c.83-06-02	PoCW p47 83-06-16
3	WEEK to c.83-06-09	PoCW p47 83-06-23
3	WEEK to c.83-06-09	SU #17 p14 Aug 83
6	WEEK to c.83-06-16	PoCW p47 83-06-30
6	WEEK to c.83-06-23	PoCW p51 83-07-07
6	WEEK to c.83-06-30	PoCW p47 83-07-14

AMSOFT

November 84

cover

CPC

3

Nov
84

Sources

(click here for more information on the data shown below)

Amstrad (Boots)


7	WEEK to c.84-11-08	PoCW p65 84-11-15
3	WEEK to c.84-11-15	PoCW p65 84-11-22
10	WEEK to c.84-11-22	PoCW p65 84-11-29
6	WEEK to c.84-12-13	PoCW p73 84-12-20
10	WEEK to c.84-12-20	PoCW p45 85-01-03