Original Retro Problems published in 2007

2014 -

Orbit 33 (January 2007)

12+12. Proof Game in 13,0 moves

[rn2k2r/ppp1bp1p/7n/8/8/3P4/PPPP1PP1/RN1QKbN1]

2015 -

Orbit 33 (January 2007)

16+16. Proof Game in 19,0 moves

[3qkb1r/2pppppp/5B2/1p3Q2/BPP2rP1/pb1P1P1P/P2NPR1N/Rn3Kn1]

2016 -

Orbit 33 (January 2007)

10+13. Proof Game in 23,5 moves

[2kq4/p1rppn2/2bppn2/2Rpp3/P6P/4P3/1PP1PP2/4K1N1]

2078 -

Orbit 34 (April 2007)

16+13. Proof Game in 11,5 moves

[3qkb2/p2np1p1/1rpp2B1/5p2/1n4P1/5b2/PPPPPP1P/RNBQK1NR]

2079 -

Orbit 34 (April 2007)

12+13. Proof Game in 14,0 moves

[bqkrnnrb/p1p1Pp1p/7p/8/8/8/2PPP1P1/RNBQKB1R]

2132 -

Orbit 35 (July 2007)

5+4. h#1,5

[r3k3/P4p2/3P1P2/3PpK2/8/8/8/8]

2133 -

Orbit 35 (July 2007)

14+13. Proof Game in 13,0 moves

[bqrnnrkb/3ppp1p/7p/K7/8/3P4/PP2PPPP/RN1Q1BNR]

2196 -

Orbit 36, October 2007

14+11. Proof game in 13,5 moves

[r1nNn3/pppk2p1/8/8/8/b2r3p/PP1PP1PP/RNBQKB1R]