[Event "Havana ol (Men) qual-B"]
[Site "Havana"]
[Date "1966"]
[Round "2"]
[White "Zorigt, Damdzinhav"]
[Black "Ciric, Dragoljub M"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "2270"]
[PlyCount "70"]
[EventDate "1966.10.23"]

1.e4 c5 
{Opening Book move} 
2.Nf3 
{A04 King's Indian Attack (transposed).} 
2...d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g3 Nc6 7.Bg2 Bd7 8.Be3 a6 9.O-O Be7 
{Makes way for a castle to the kingside.} 
10.f4 O-O 11.Qe2 Qc7 12.Rad1 Rac8 13.h3 b5 14.a3 Nxd4 
{Threatens White's queen.} 
15.Bxd4 
{Protects White's queen. White wins a knight for a knight. Material is even.} 
15...e5 
{Attacks White's bishop at d4.} 
16.Be3 
{Moves it to safety.} 
16...Bc6 17.f5 Qb7 18.Nd5 
{Blocks Black's pawn at d6.} 
18...Bxd5 19.exd5 
{ White wins a bishop for a knight. Material is even.} 
19...Bd8 20.g4 Bb6 
{Pins White's bishop at e3 with a partial pin.} 
21.Bxb6 Qxb6{+} 
{Checks White's king. Black wins a bishop for a bishop. Material is even.} 
22.Kh1 
{Moves it out of check.} 
22...h6 23.h4 
{Slightly better is c3.} 
23...Rc4 24.Bf3 h5 25.g5 
{Attacks Black's knight.} 
25...Rxh4{+} 
{Protects Black's knight, checks White's king, and creates a passed pawn on h5. Black wins a pawn.} 
26.Kg2 
{Moves it out of check and attacks Black's knight.} 
26...Ng4 
{Moves it out of immediate danger.} 
27.Kg3 
{Threatens Black's rook at h4.} 
27...Rh2 
{Moves it out of immediate jeopardy and attacks White's queen.} 
28.Qd3 
{Moves it to safety.} 
28...Nf2 
{Forks White's queen and White's rook at d1.} 
29.Qe2 
{Moves it to safety.} 
29...Nxd1 
{Puts the knight on the edge of the board. Leads to 30.Qxd1 e4 31.Kxh2 exf3 32.Rxf3 Re8 33.f6 g6 34.Qd2 Re5 35.Kh1
Re4, which wins a rook and a bishop for a rook, a knight, and a pawn. Better is Rh3+, leading to 30.Kg2 Nxd1 31.Kxh3 Nxb2
32.Bxh5 Qc5 33.f6 g6 34.Bf3 Qxa3 35.Re1 Nc4, which wins a rook and two pawns for a rook and a pawn. This was black's only
significant error, but the game remained within reach of either player. White eventually
resigned.} 
30.Qxd1 
{Removes the threat on White's pawn at b2.} 
30...e4 
{Threatens White's bishop and pushes the passed pawn.} 
31.Bxh5 
{Slightly better is Kxh2.} 
31...Rxh5 
{Attacks White's pawn at g5.} 
32.Qxh5 
{Protects White's pawn at g5. White wins a rook, a knight, and a pawn for a rook and a bishop. Material is even.} 
32...Qe3{+} 
{Checks White's king.} 
33.Kg2 
{Moves it out of check.} 
33...Qd2{+} 
{Triple-forks White's pawn at d5, White's king, and White's pawn at c2.} 
34.Kg3 
{Moves it out of check.} 
34...e3 
{Advances the passed pawn.} 
35.Qd1 
{Danger! Leads to 35...e2 36.Qxd2 exf1=N+ 37.Kf4 Nxd2 38.c3 Re8 39.f6 Nc4 40.fxg7 Kxg7 41.b3 Ne3 42.c4 bxc4 43.bxc4
Nxc4. Much better is Rh1, leading to 35...Qf2+ 36.Kg4 Qe2+ 37.Kg3 Qxh5 38.Rxh5 Re8 39.Rh1 Re5 40.Kf3 e2 41.Kf2 Rxf5+ 42.Kxe2
Rxg5, which gains a rook, a knight, and a pawn and loses two pawns in comparison. This was white's only significant error of the
game, but it was costly. White was never able to regain the lost ground and eventually
resigned.} 
35...e2 
{Triple-forks White's pawn at g5, White's queen, and White's rook and adds a promote threat at e2. White
resigns.}

Pawn fork

White to move and win. C8 to get PGN.
Nice final fork by a pawn. The sequence starts on move 27. Kg3, where White forks Knight and Rook. Black escapes fork and gives the final blow with a pawn, White resigns.
This fork # 7.1 is explained in ebook Fork, a common chess pattern on Amazon.com , by Rodolfo Pardi.

For additional training on patterns, you can visit this page of mine: Patterns

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