The Retrograde Analysis Corner

StrateGems

No. 14, Apr-Jun 2001

R0055 - Branko Koludrovic
StrateGems 14, Apr.-June 2001

[2k5/1s3R2/8/8/3K4/8/8/8]

2+2. Black retracts one move and then h=1. (4 solutions)

R0056 - Árpád Molnár
StrateGems 14, Apr.-June 2001

[SS6/BrPPp1pp/Rp1pp3/2kp4/KPp1Q3/P1P5/2B5/8]

R0057 - Andrei Kornilov
Ded. to Nikita Plaksin's 70th birthday
StrateGems 14, Apr.-June 2001

[5S2/4p1Ss/1PPPRPP1/PrQrqRp1/ppK1kp2/2pp4/5PP1/8]

14+12. #1

R0058 - Thomas Volet
StrateGems 14, Apr.-June 2001

[8/ppp5/rRp5/bbK5/R1PP1p2/1PqkPP2/BPrPp2P/1QB5]

R0059 - Andrei Frolkin & Andrei Kornilov
StrateGems 14, Apr.-June 2001

[3b1K2/2pprpQ1/3PpRBk/5prq/6ps/5P1b/1P1P1PP1/s1B5]

P0079 - Michel Caillaud
StrateGems 14, Apr.-June 2001

[rsbqkbsr/pBppp1Bp/8/8/1P3pP1/1K3S2/P2PP2P/RSQ4R]

14+14. Shortest proof game?
(a): White to play
(b): Black to play

P0080 - Satoshi Hashimoto
StrateGems 14, Apr.-June 2001

[1s1qksRr/2ppp1p1/b2r3p/1P3p2/6P1/8/1PPPPP1P/1SBQKBSR]

16+13. Proof game in 14.5 moves

P0081 - Kostas Prentos
StrateGems 14, Apr.-June 2001

[bs6/q2k2s1/pppppppp/8/8/bP6/1P5P/rS1QK1SR]

8+15. Proof game in 20.0 moves

P0082 - Mark Kirtley
StrateGems 14, Apr.-June 2001

[rs1q1Qs1/2ppppb1/Rp1kr1p1/p2B3b/6PS/5PP1/PPPPP3/R1B1K3]

15+15. Proof game in 20.5 moves

P0083 - Ryan McCracken
StrateGems 14, Apr.-June 2001

[1sb1qk1r/1pppbppQ/2Bp1BRs/3pp3/3pK2P/1pSpPPP1/3pr3/6S1]

11+20. Proof game in 18.0 moves (Crazyhouse)

P0075c - ?#8240;tienne Dupuis
StrateGems 14, Apr.-June 2001

[rs3bsk/p2ppppp/1p6/q7/8/P1P2b2/PPPQP1PB/2KR1B1R]