Sadorra on Taking Down Continental Class

[pgn][Event "5th Continental Class"]
[Site "?"]
[Round "?"]
[White "Sadorra, Julio"]
[Black "Gorti, Akshita"]
[Result "*"]
[Annotator "Julio Sadorra"]
[SetUp "1"]
[FEN "r1b2rk1/2q4p/2p1pp2/3p1p2/1P6/P3Q1P1/5PBP/2RR2K1 w - - 0 1"]
[PlyCount "6"]
1. b5 (1. Rd3
Qd6 2. Rdc3 Bd7{and Black will soon take over with her massive central pawns.}
)(1.Rc3 Qe5) 1... Qe5 2. Qc5 ({a line that has to be checked is} 2. Qxe5 fxe5
3. Rxc6 (3. bxc6 {doesn't feel right as the pawn will easily be blockaded} Rxa3
) 3... Rxa3 4. Rdc1 Ra8 {and I don't have a clear way to convert this passed
pawn, most probably owing to the fact that the White bishop is blunted.}) 2...
cxb5 3. Re1 $1 {it's usually a good thing to decentralize an enemy piece
especially if it's the Q!} Qb8 {Game continues in next diagram.}*[/pgn]

[pgn][Event "5th Continental Class"]
[Site "?"]
[Round "?"]
[White "Sadorra, Julio"]
[Black "Gorti, Akshita"]
[Result "*"]
[Annotator "Julio Sadorra"]
[SetUp "1"]
[FEN "rqb2rk1/7p/4pp2/1pQp1p2/8/P5P1/5PBP/2R1R1K1 w - - 0 4"]
[PlyCount "6"]
[EventDate "2016.??.??"]4. Bxd5 $1
exd5 5. Re7 {This key move has to be foreseen before going for the B sac
otherwise one is just relying on luck.} ({I wasn't convinced that White's
attack can crash through after} 5. Qxd5+ Kh8 {"Box" as Yasser would say :-)} (
5... Rf7 6. Re7) 6. Re7 Ra7 7. Qc5 $5 {at first I thought this might be the
killer blow, but it's always helpful to check lines and-- extend!} Rd7 {Oops...
Black can use an x-ray defense on his f8-R} (7... Rxe7 8. Qxe7 Bb7 (8... Be6 9.
Qxe6) 9. Rc7 $18) 8. Rxh7+ Kxh7 9. Qxf8 Qb7 {and I stopped here seeing that
Black has defensive tactics and my attack has gone "poof!"} (9... Rc7) 10. Qxc8
$4 Rd1+) 5... Rd8 {with the idea of getting her Q to join the defence on d6.}
6. Rce1 ({At first I was tempted to prevent it with the quiet} 6. Rc7 {but
wasn't convinced and thought it "too fancy" after} Re8 $1 {and I couldn't see
a clear way to continue pressure during the game.} (6... Rd7 7. Rxd7 Bxd7 8.
Qxd5+) (6... Bd7 7. Qxd5+ Kh8 8. Rxd7 Rxd7 9. Qxd7) 7. Qxd5+ (7. Qc6 Be6) 7...
Be6) 6... Bb7 {Solve for the game finish in next diagram!} ({Unfortunately my opponent
didn't indulge me with:} 6... Qd6 7. Re8+ Kg7 8. R1e7+ Kg6 9. Rg8+ Kh6 10. Rgg7
Qxc5 (10... f4 11. Qc2 {and I thought there must be a win somewhere here. You
can work it out yourself for fun ;-)}) 11. Rxh7+ Kg5 12. Reg7# {is a cutie
matie.})* [/pgn]

[pgn][Event "5th Continental Class"][Site "?"][Round "?"]
[White "Sadorra, Julio"]
[Black "Gorti, Akshita"]
[Result "1-0"]
[Annotator "Julio Sadorra"]
[SetUp "1"]
[FEN "rq1r2k1/1b2R2p/5p2/1pQp1p2/8/P5P1/5P1P/4R1K1 w - - 0 7"]
[PlyCount "3"]
[EventDate "2016.??.??"]7. Qe3 $1 {
Backward moves are hard to see during the game, as they say. But not so when
you've seen many examples of it in training!} (7. Qc1 {may also work but I
like e3 better as it attacks both e6 & h6 squares.}) 7... Rf8 8. Qh6 {and
Black resigns.} 1-0[/pgn]

[pgn][Event "5th Continental Class"]
[Site "?"]
[Round "?"]
[White "Sadorra, Julio"]
[Black "Sukandar, Irine Kharisma"]
[Result "*"]
[Annotator "Julio Sadorra"]
[SetUp "1"]
[FEN "r4rk1/ppqb2pp/2pN1pn1/2P1p3/1P1PQ3/P5P1/5PBP/R2R2K1 w - - 0 1"]
[PlyCount "4"]
[EventDate "2016.??.??"]1. d5 $1 {creating
tactical motifs against the poorly placed enemy pieces.} (1. dxe5 {also looks
good but when I checked it concretely during the game, Black seems to be
holding} Nxe5 2. f4 Nf7 3. Qc4 Rad8 4. Re1 Bc8) 1... Kh8 (1... f5 2. Qc4 {
transposes to the game}) 2. Qc4 (2. Nxb7 {is tempting but} f5 $1 (2... Qxb7 3.
dxc6) 3. Qf3 e4 {ends in Black's favor.}) 2... f5 {Game continues in next
diagram.} (2... cxd5 3. Bxd5 {is just crushing in different ways.}) *[/pgn]

[pgn][Event "5th Continental Class"]
[Site "?"]
[Round "?"]
[White "Sadorra, Julio"]
[Black "Sukandar, Irine Kharisma"]
[Result "*"]
[Annotator "Julio Sadorra"]
[SetUp "1"]
[FEN "r4r1k/ppqb2pp/2pN2n1/2PPpp2/1PQ5/P5P1/5PBP/R2R2K1 w - - 0 3"]
[PlyCount "4"]
[EventDate "2016.??.??"]3. Nf7+ {the right
way to execute the discovery tactic} (3. dxc6 $2 Bxc6 {and f7 is covered}) 3...
Rxf7 (3... Kg8 4. Ng5 {should win, among others.}) 4. d6 Be6 {Game continues
in next diagram.} ({the attempt to trap our Q also must be checked:} 4... Qc8
5. Qxf7 Be6 6. Qc7 $18) *[/pgn]

[pgn][Event "5th Continental Class"]
[Site "?"]
[Round "?"]
[White "Sadorra, Julio"]
[Black "Sukandar, Irine Kharisma"]
[Result "*"]
[Annotator "Julio Sadorra"]
[SetUp "1"]
[FEN "r6k/ppq2rpp/2pPb1n1/2P1pp2/1PQ5/P5P1/5PBP/R2R2K1 w - - 0 5"]
[PlyCount "29"]
[EventDate "2016.??.??"]5. dxc7 ({The other
option} 5. Qxe6 Qd7 6. Qxd7 Rxd7 7. b5 Rc8 8. bxc6 bxc6 9. Rab1 Kg8 10. Rb4 {
is ofcourse also better for White, but the other candidate is more forcing and
devastating, but that's if you're convinced by your analysis!}) 5... Bxc4 6.
Rd8+ Rf8 7. Rad1 Bd5 $1 {this defensive idea must be foreseen before playing
dxc7} 8. Rxa8 Rxa8 9. Bxd5 cxd5 10. Rxd5 Rg8 {Solve for the game finish in next diagram!}*[/pgn]

[pgn][Event "5th Continental Class"]
[Site "?"]
[Round "?"]
[White "Sadorra, Julio"]
[Black "Sukandar, Irine Kharisma"]
[Result "*"]
[Annotator "Julio Sadorra"]
[SetUp "1"]
[FEN "6rk/ppP3pp/6n1/2PRpp2/1P6/P5P1/5P1P/6K1 w - - 0 11"]
[PlyCount "17"]
[EventDate "2016.??.??"]11. Rd7 $3 {this
quiet rook move is like a cold-blooded assassin that just entered the building.
The main idea is to paralyze (or dominate if you like) Black's kingside pieces
while the q-side pawns march down!} h5 12. b5 Kh7 (12... h4 {only helps White}
13. gxh4 $1 Kh7 (13... Nxh4 14. Rd8) 14. h5 {with Rd8 next.}) 13. a4 Rc8 {
Black threatens Nf8.} ({There's really no other try:} 13... Kh6 14. Rd8 Ne7 15.
Rxg8 Nxg8 16. c8=Q $18) (13... b6 14. cxb6 axb6 15. a5 bxa5 16. b6 a4 17. b7
$18) 14. b6 {the rest is a display of pawn power.} axb6 15. cxb6 h4 16. a5 h3
17. Rd8 Ne7 18. Rxc8 Nxc8 19. a6 {and Black resigned.} *[/pgn]