Nº10 Marc Gelly

Win

Section A

Marc Gelly (France)

wKb5,Rf3,Pd2,d3/bKa8,Nb8,d8,Pd6

1.Kb6!
1.Rf6? Kb7 2.R×d6 Kç7 =
1.d4? Nbç6+ 2.Kb6 Kb8 3.Rf6 Ne7 4.Rh6 Nd5+ 5.Kb5 Kç7 =

1…Nbç6!
1…Ne6 2.Rf1 Nd7+ 3.Kç6 Nb8+ 4.K×d6 Nd4 5.Rf7! Na6 6.Kd5! Nç2 7.Kç6 Nab4+ 8.Kb6 Nd5+ 9.Kç5 Ndb4 10.Rh7 Kb8 11.Rh4! +-

2.Rf6!!
Thematic TRY 2.Kç7? Ne6+! 3.K×d6 Kb7! 4.Rf1 Ned4! 5.Rb1+ Kç8 6.Rç1 Kb7 =
2.Rf8? Kb8 =

2…Nd4!
2…Ne7 3.Rf8! Nd5+ 4.Ka5! +-

3.Kç7!!
Logical TRY 3.R×d6? N8e6!! Positional DRAW.

3…Nb7!
3…N8e6+ 4.K×d6 Ng5 5.Kç5 Nde6+ 6.Kb6 +-

4.Rf1! Ne6+ 5.Kç8!!
5.Kd7? Neç5+ 6.Kç7 Ka7!(6…Ne6+? 7.Kç8! +- idem main line.) 7.Ra1+ Na6+ 8.Kç6 Nbç5 9.d4 Ne6 10.d5 Nď4+ 11.K×d6 Kb6…etc =

5…Ka7
5…Na5 6.Ra1 Ka7 7.R×a5+ Kb6 8.Rh5 Kç6 9.Rh6 Nd4 10.Kd8 +-

6.Ra1+!
6.Rf7? Ned8 7.Rç7 Kb6 8.d4 d5 9.d3 Ka6 10.Rd7 Nf7! 11.Kç7 (11.R×d5 Nfd6+ pos. Draw) Ng5 12.Kb8 Ne6 13.R×b7 N×d4 draw (Nalimov T.6m) or 13.Kç8 N×d4 14.R×b7 Ne6! draw (Nalimov T.)
6.d4? Na5 =

6…Kb6 7.Rb1+ Kç6
7…Kç5 8.R×b7 Ng5 9.Kç7 Ne6+ 10.Kd7 Nf8+ 11.Ke7 Ng6+ 12.Kf6 +-

8.R×b7 Nç5!
8…d5 9.Rh7 Nç5 10.Rh6+ Kb5 11.Kc7 +-
8…Nf4 9.Rb3 Kd5 10.Kd7 Kç5 11.d4+ +-

9.Ra7!!
9.Rh7,g7…b1? N×d3 draw (Nalimov T. )
9.Rç7+? Kd5 10.Ra7 N×d3 draw (Nalimov T.)

9…N×d3
9…d5 10.Ra3 d4 11.Kd8 Kd6 12.Ke8 Ke6 13.Kf8 Kf6 14.Kg8 Kg6 15.Ra5 Nb3 16.Ra4! Kf5 17.Kf7 Ke5 (17…N×d2 18.R×d4 +- Nalimov T. ) 18.Ra2 +-
9…Kd5 10.Kç7 Ne6+ 11.Kb6 Nç5 12.Ra3 Ne6 13.Ra8 +- or 12…Nd7+ 13.Kç7 Nç5 14.Ra8 +-‘
9…Ne6 10.d4! N×d4(10…Kd5 11.Kd7 +-)11.Ra6+! +-(Nalimov T.)

10.Ra6+!! Win – Any other move gives draw!
10…Kç5
And w. win after11.Kç7 d5 12.Ra5+ Kç4 13.Kd6 d4 14.Ra4+ Kb3 15.R×d4 Kç2 16.Kd5 K×d2 17.Ke4 (ç4) +- or
11.Kd7 Ne5+ 12.Ke6 Nç6 13.Ra3! +-