[Event "?"]
[Site "?"]
[Date "2012.05.30"]
[Round "?"]
[White "de la Villa-Nunn (rev. co.l)"]
[Black "?"]
[Result "*"]
[Annotator "Nunn / Poghosyan, Vardan "]
[SetUp "1"]
[FEN "8/5k2/3R2p1/8/5P2/r3PK2/8/8 w - - 0 0"]
[PlyCount "27"]

1. Ke4 Ra5 2. Rd5 Ra3 3. Rc5 Ke6 4. Rc6+ Kf7 5. Kd4 Ra5 6. e4 {Nunn - Black's
best chance to make progress is to push his e-pawn to e4.} Ra2 7. e5 Ra4+ 8.
Rc4 {Black has two possible plans. One is to get his king to d4 or d3 and then
check on the second rank to force White's king back to the first rank. The
other is to attack the g-pawn directly by ... Kf6-g5-g4. Neither plan should
succeed against correct defence.} Ra7 9. Ke4 Ke7 $6 {is safer, so as to give
checks on the eighth rank if Black plays his king to g5.} (9... Ra1) 10. Rc6
Ra4+ $2 {The losing move, allowing Black's king to g5 and then g4.} (10... Kf7
$1 {would have drawn:} 11. Kd5 (11. Kf3 Ra1 ({Nunn - Not} 11... Ra3+ {? which
loses to} 12. Kg4 Ra1 {VP This is the decisive mistake} ({VP} 12... Kg7 $1 $11
13. Rc7+ (13. Kg5 Rg3+) 13... Kh6 14. e6 Ra8 $1 $11) 13. Rc7+ Ke6 14. Kg5 Rg1+
15. Kh6 Rg4 16. Rc6+ Ke7 17. Rf6 Ke8 18. Kg7 Ke7 19. Rf7+ Ke8 20. e6 $18) 12.
Rf6+ Kg7 13. Ke4 Ra4+ 14. Kd5 Ra5+ $11) 11... Rd7+ 12. Rd6 Ra7 13. Rf6+ Kg7 14.
Rc6 Kf7 15. Kd6 Rb7 16. Ra6 Re7 {White's rook appears passively placed, but
Black cannot exploit it.} 17. Ra8 Re6+ 18. Kd5 Re7 19. Ke4 Rb7 20. Kf3 Rb1 $11
{and Black has not made progress.}) 11. Kf3 Kf7 12. Rc7+ Kf8 (12... Ke6 13. Rg7
Kf5 14. Rf7+ Ke6 15. Rf6+ $18) 13. Kg4 Rb4 14. Kg5 {1-0} *

