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(8) Morphy - Maurian
New Orleans New Orleans, 1967
[Tibor K]
1...Rg8!! The starting position is a zugzwang for white. Let us try triangulation. 2.Ta8+
[2.Rh6 f5 A) 3.h5 f4 (3...Rf8 4.Ta8+=) 4.Ta4 f3 5.Tg4+ (5.Ta3 f2 6.Tg3+ Rh8 7.Ta3 Tg1-+) 5...Rf7 (5...Rh8 6.Ta4) 6.Tf4+ Re6 7.Txf3 Th1-+; B) 3.Tg7+ 3...Rf8 4.Tg2 B1) 4...Rf7? 5.Rg5 (5.h5 Rf6-+) 5...Re6 (5...f4 6.Rf5 f3 7.Tf2=) 6.h5 f4 7.Te2+! Rd5 8.Rf5 Rd4 9.h6 f3 10.Th2=; B2) 4...f4 5.h5 (5.Rg5 f3-+) 5...Rf7 6.Th2 (6.Rh7 Th1-+; 6.Tf2 Re6 7.Rh7 Re5 8.h6 Re4 9.Rh8 Th1-+) 6...Rf6 7.Rh7 f3 8.h6 Rf5 9.Rh8 Rf4 10.h7 Re3-+]
2...Rh7! 3.Ta7
[3.Ta3 f5-+]
3...Rg7! Now the rook is forced to leave the seventh rank. 4.Ta6 [4.Ta5 f5-+] 4...f5 5.Tg6+ [5.Ta7+ Rf6 6.Ta6+ Re5 7.Ta5+ Rd6 8.Ta6+ Rc5 9.Ta5+ (9.Rg5 Tg1+-+) 9...Rb4 10.Txf5 Tc1 11.Tf4+ Rc5 12.Ta4 a1D 13.Txa1 Txa1 14.Rg6 Rd6 15.h5 Re6 16.h6 Tg1+ 17.Rh7 Rf6 18.Rh8 Rg6 Wins.] 5...Rf7 6.Tg2 f4 7.Rh6 f3 8.Tb2 [8.Tf2 Re6-+] 8...Rf6 9.h5 Rf5 10.Rh7 Th1-+
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