The Retrograde Analysis Corner

Probleemblad

January 2002

R158 - Unto Heinonen

Probleemblad 1, 2002

[2k2b2/ppp1pp2/n5pp/4pb2/P4P2/5R1N/1PP1P3/1NBQ1RK1]

12+12. Shortest proof game in 14.0 moves

[2k2b2/ppp1pp2/n5pp/4pb2/P4P2/5R1N/1PP1P3/1NBQ1RK1]

R159 - Gligor Denkovski

Probleemblad 1, 2002

[rn2kbn1/3p1pp1/8/ppp5/4P3/rQP2KP1/PPqP1PP1/RNB2BNR]

16+13. Shortest proof game in 16.0 moves

[rn2kbn1/3p1pp1/8/ppp5/4P3/rQP2KP1/PPqP1PP1/RNB2BNR]

R160 - Reto Aschwanden

Probleemblad 1, 2002

[2kb3r/p2pr3/5pn1/1p1b4/n6p/5q2/P2PPPP1/RNBQKBNR]

13+13. Shortest proof game 18.0 moves

[2kb3r/p2pr3/5pn1/1p1b4/n6p/5q2/P2PPPP1/RNBQKBNR]

R161 - Satoshi Hashimoto

Probleemblad 1, 2002

[4b3/ppp3pp/1nrp1pk1/5p2/1bq5/2P3r1/PP3PPP/RNBQKBNR]

14+15 Shortest proof game 19.0 moves

[4b3/ppp3pp/1nrp1pk1/5p2/1bq5/2P3r1/PP3PPP/RNBQKBNR]

R162 - Andrew Buchanan

Probleemblad 1, 2002

[r1bqkbn1/ppppp1p1/5p2/8/6pP/4P3/PPPPP1P1/1RBQKB1R]

14+14. Drawn. Proof game in 11.5 moves. In R162, the game has just been declared a draw after a claim by black. Game score?

[r1bqkbn1/ppppp1p1/5p2/8/6pP/4P3/PPPPP1P1/1RBQKB1R]

R163 - Bernd Gräfrath

Probleemblad 1, 2002

[4k2r/pppb2p1/6Pr/3Np1p1/3p4/6QP/PpPPP1P1/1K6]

10+12. Mate in 3 moves. The game started with 1. Nf3 d5 2. b4 e6 3. Bb2 ...

[4k2r/pppb2p1/6Pr/3Np1p1/3p4/6QP/PpPPP1P1/1K6]

R151c - Thomas Volet & Joost de Heer

Probleemblad 1, 2002

[8/2p2p1p/PP6/pRP5/KprP4/1nkpP2P/BNbqpP2/NQR1B3]

15+12. May white mate?

[8/2p2p1p/PP6/pRP5/KprP4/1nkpP2P/BNbqpP2/NQR1B3]