Number | Name | Date | Kind |
---|---|---|---|
3610626 | Nolte | Oct 1971 | |
3767201 | Harper et al. | Oct 1973 |
Number | Date | Country |
---|---|---|
2838140 | Mar 1980 | DEX |
1283840 | Feb 1972 | GBX |
Entry |
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"3-Dimensional Space Chess" House Beautiful advertisement, Nov. 1967, p. 214. |
"Space Chess" Sears advertisement. |
"The $100,000 Gambit:Making Chess a Play Object by Frank Brady", Games Magazine, Jan.-Feb. 1981, pp. 18-20. |
"Three-Dimensional Chess" Chess Variations by John Gollon, pp. 228-229. |