The Retrograde Analysis Corner

Die Schwalbe

No. 189, June 2001

11172 - Andrei Kornilov
Dedicated to Nikita Plaksin for his 70th birthday
Die Schwalbe Heft 189, June 2001

[s2R4/PP1P4/P1Pp4/P2K4/4QPPR/4S2p/4pkBB/4S3]

16+5. Shortest mate?

[s2R4/PP1P4/P1Pp4/P2K4/4QPPR/4S2p/4pkBB/4S3]

11173 - Alexander Zolotarev
Die Schwalbe Heft 189, June 2001

[brQb4/1rRRpp2/2KpPp2/3p4/2kPs3/2P1s2P/2PP1P2/3S4]

12+12. Shortest route of a white bishop?

[brQb4/1rRRpp2/2KpPp2/3p4/2kPs3/2P1s2P/2PP1P2/3S4]

11174 - Alexander Yarosh
Die Schwalbe Heft 189, June 2001

[4bss1/3prqSp/Q3pRrb/P5kP/1K3pRS/4P3/1PPP1PP1/2BB4]

[4bss1/3prqSp/Q3pRrb/P5kP/1K3pRS/4P3/1PPP1PP1/2BB4]

11175 - Karl Fabel
(Version Alexander Yarosh)
Die Schwalbe Heft 189, June 2001

[1S1Bk2r/Q1pp2p1/3p4/1p4Sb/1s6/1PPq3P/2PPPPPs/5B2]

13+11. Add the white king, retract one white move, and #2.

11176 - Andrei Frolkin
Correction of the cooked 1st/2nd prize Champagne Tournament St. Petersburg 1998
Die Schwalbe Heft 189, June 2001

[rsbqkbs1/ppppp1p1/8/8/4P3/3P4/1PPp1PP1/1S1K1BSR]

11+14. Proof game in 8.5 moves (2 solutions)

11177 - Julio Alberto Pancaldo
Die Schwalbe Heft 189, June 2001

[r1k2b1r/1pp1p1pp/5p2/5b2/4s1q1/S7/1PP1PPPP/RSBQKB1R]

14+13. Proof game in 10.0 moves

11178 - Satoshi Hashimoto
Version of 10864
Die Schwalbe Heft 189, June 2001

[rsbqkbsr/ppp1pp1p/4ppQ1/8/3B4/1PS5/PK1PP1BP/3R2SR]

13+16. Proof game in 18.0 moves

11179 - Unto Heinonen
Die Schwalbe Heft 189, June 2001

[6k1/p1pppp2/br5s/q2s3p/8/2Prb3/1P1PP1P1/1SBQK1SR]

10+14. Proof game in 20.0 moves

11180 - Andrei Frolkin
Die Schwalbe Heft 189, June 2001

[2sr2K1/p1p1p1Pp/2p1ps1p/r6k/4p3/2b5/1P2bPP1/RS1Q1BS1]

10+15. Proof game in 24.0 moves