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Probleemblad, 1999
16+14. Beweispartie in 5.0 Zügen (2 Lösungen)
[rnbqkbn1/ppppp3/5p2/4P1p1/8/4P3/PPP2PPP/RNBQKBNR]
1. Be2-e4 Bh7-h5 2. Dd1:Bh5 Bg7-g5 3. Dh5-d1 Th8-h3 4. Be4-e5 Th3-e3 5. Bd2:Te3 Bf7-f6
1. Bd2-d4 Bh7-h6 2. Lc1:Bh6 Bf7-f6 3. Lh6-c1 Th8-h3 4. Be4-e5 Th3-e3 5. Bd2:Te3 Bg7-g5