In an initial position under impact are wN and wP. The main hope of White's is strong Pb5. White can make active (to strengthen) this pawn by clearing of a file 'b' by leaving Rb7 or pawns promotion forward. There is also an interesting opportunity to play by wN. Not simply to choose a correct move here.
1.b6! [Thematic try 1.Nc1+!?
Kxc4!
(1...Kxc3
2.Re7! and the play leads to main line) 2.b6
Kb5
(Kc5) and easy draw 3.Ne2
g2
4.Ng1
Rg3
5.c4+
Kxc4
6.Rf7
Rb3=
; 1.Rc7!?
g2
2.Nc1+
Kc2
3.Ne2
Re4
4.Ng1
Re1=
; 1.Ra7!?
g2
2.Nc1+
Kxc3
3.Ne2+
Kd3
4.Ng1
Rxc4
5.b6
Rb4=
] 1...g2
[1...Re4
2.Rd7!
g2
3.Rd1
Rxc4
(3...Kxa2
4.c5+-
) 4.Rg1
Rc8
5.Rxg2+-
] Now it is possible to play - 2.Nc1+
Kxc3
[2...Kc2
3.Ne2
Re4
4.Ng1
Re1
5.Nf3
Re3
6.Ra7!
Rxf3
(6...Kd3
7.b7+-
) 7.Ra2++-
; 2...Kxc4
3.Rc7+
Kd5
4.b7
g1Q
5.b8Q
and easy win.] White should not allow black bR get on å4 3.Re7!!
[Thematic try 3.Rf7!?
Re4!
(3...g1Q? and play leads to main line 4.Ne2+
etc) 4.b7
g1Q
(Re8) draws: 5.b8Q
Qd4+
6.Kg8
Qxc4=
; 3.Rc7
Ra7)!? 3...Re4
etc, draws; 3.Rd7!?
g1Q
4.Ne2+
Kxc4
5.Nxg1
Rxg1
6.b7
Rb1=
]
3...g1Q
and works 'fork' 4.Ne2+
Kxc4
5.Nxg1
Rxg1
6.Re4+!
Lateral impact by R.Reti, 'Les Bases de la Combination'. [6.Rc7+!?
Kd5
(Kd4) 7.b7
Rb1=
] 6...Kc5
7.Rb4!
Kxb4
8.b7
win.
*The study was excluded from the award because it's based on the Rinck's study (not of R.Reti) -IA
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