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Probleemblad, 1999
15+13. Beweispartie in 7.0 Zügen (2 Lösungen)
[rnb1k3/pppp4/4p1pb/5p2/2q5/8/PPPP1PPP/RNBQKBNR]
1. Be2-e4 Bf7-f5 2. Be4-e5 Sg8-f6 3. Bd5:Sf6 Be7-e6 4. Bf6:Bg7 Dd8-h4 5. Bg7:Th8=D Dh4-c4 6. Dh8-f6 Lf8-h6 7. Df6-g6 Bh7:Dg6
1. Be2-e3 Be7-e6 2. Be3-e4 Dd8-h4 3. Be4-e5 Sg8-f6 4. Be5:Sf6 Df6-c4 5. Bf6:Bg7 Bf7-f5 6. Bg7:Th8=S Lf8-h6 7. Sh8-g6 Bh7:Sg6