Quartz

Retro Problems from Issue 21

451 - Leonid N. Borodatow
Quartz, No. 21, 07-09/2002

11+12. #3

[qn1R4/bPPP1ppp/rpPNRp2/pK1k4/p7/8/P3P3/B7]

452 - Henryk Grudzinski
Quartz, No. 21, 07-09/2002
(This problem was later found to be cooked)

16+15. Proof game in 8.5 moves (Circe)

[1nbqkbnr/p1pppppr/1P5p/8/8/N2P4/P1P1PPPP/R1BQKBNR]

453 - Michel Caillaud
Quartz, No. 21, 07-09/2002

14+14. Proof game in 22.0 moves

[rBbk2nr/2p2pqp/1p3p1p/1n6/4P3/2Pp4/1PPQ1P1P/RNK2BNR]

454 - Paul Raican
Quartz, No. 21, 07-09/2002

12+15. Proof game in 26.5 moves

[r3rkn1/2p1p1qn/2p1pbp1/6p1/6p1/p7/1PP1P1P1/RNBQKBNR]