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The Problemist

November 1998

R280 - Sergei Tkachenko
The Problemist, Nov. 1998

[4k2r/3p2p1/P2P2P1/6K1/7p/888]

4+5. Retract 1 move and then mate in 4

R281 - Unto Heinonen
The Problemist, Nov. 1998

[Q1b1krB1/2B5/R6n/3N1RN1/pppppppp/P1r4P/P2PPP1P/3K4]

15+13. Position after Black's 24th. Game score?