1. e4 e5
Standard opening move,
and a good reply.
2. Nf3 b5
White: Developing move, attacking undefended pawn, prepares kingside castle.
Black: opens room for his bishop, but advances pawn far enough to be captured "with tempo", meaning white can move his bishop, preparing for castling, and take a free pawn. Generally not advisable, but sometimes can be used to harass the bishop and force it to waste time moving again and again, eventually landing on a less useful square. This can be a viable tactic, if there is a plan behind it that is well-thought out in advance. If white is given oppurtunities to develop and capture at the same time, it doesn't waste a move. Avoid allowing white to do this.
3. Bxb5 c6
White: Takes the pawn with tempo, prepares castling. If bishop is harassed, it can be evenly traded away with no real loss for white, and he is up a pawn.
Black: This pawn move does harass the enemy bishop, and prepares pawn to d5, which attacks white's center pawns and opens up a lot of space for Black to move his pieces. White is advised to move his bishop to a useful square, but not move it too many times. White can move it to a4, but it has limited scope from here and doesn't aid white in his attack.
4. Bc4 Ba6
White: Bishop moves to attack central squares, and less obviously, black's kingside bishop pawn at f7. This can be a useful tactic in most games, but black has good chances in the center right now, even though he is down a pawn.
Black: Attacks white's bishop, offering a fair trade and forcing white to waste more time in the process. White, because his bishop is more active in the center and better positioned on the board, declines the trade, because his one pawn advantage is not a large enough advantage to bother pressing with even trades, though he does not fear even trades here.
Useful tip- When not to trade: If you're behind in material and it doesn't give you a real advantage, and also when the piece you are trading away is better than the one you're getting, either in actual value or in positional value. Here, white's bishop is better positioned and is more active in the center and attacking black's position. Trade is acceptible, but not trading is better.
5. d3 Qa5+
White: Defends the good Bishop and frees his black-square bishop, defends center king pawn. If the trade happens, the doubled pawn then on c4 would actually help defend white's center anyway, and is easily defended by the b pawn. Downside: reduces white's bishop's mobility, making it an easier target.
Black: Attacks white's king with check, defends center pawn. Black's queen is in a position of attack, but doesn't have the necessary support of the rest of Black's army. Black's Knight is stuck on it's original square due to the pawns and bishop, and the Queen Rook is trapped because of this. Black's kingside is totally undeveloped, though he's not in immediate danger.
6. Nc3 Be7
White: Blocks the Queen attack and limits the squares she can move to. Defends the center pawn and also the squares being attacked by the bishop, helping to prevent pawn moves. White can safely caste Kingside now, because Black is not developing over there.
Black: Develops his bishop to a good square, although possibly aiding the Queenside attack with Bb4 could be interesting, adding pressure and threatening trades to open up space and force doubled pawns.
7. O-O Bc5
White castles Kingside, and now is in no real danger from Black's attack.
Black moves the Bishop twice, could have saved time by moving here last move.
8. Be3 Bxe3
White develops his Bishop and defends White's kingside formation from attack, counterattacks black's bishop.
Black takes the bishop, which moves the bishop a third time for no gain. Generally not advisable to repeatedly move a piece and then trade it, because all positional gains from moving the piece are then lost, and the even trade means no material advantage was won. The net result is lost time here.
Useful Tip- When not to trade: When moving a piece repeatedly, trading it away causes that time to be lost. Forcing the opponent to waste time taking the piece is more advisable in some situations, avoiding the trade or continuing to develop might be a better idea.
9. fxe3 Qb6
White: Takes the bishop and opens a file on the F file. This file is partially open, because white has no pawns between his rook and the black position. White is unable to exploit this point, because the action takes place elsewhere.
Black: Queen to b6 attacks two undefended pawns. The best move for White is to defend both with his queen, but that forces her into a more passive role, and makes the white rooks remain disconnected from one another for now. White must make his rooks more active than black's rooks, who are both very passive and unable to move.
10. Qc1 Nf6
White defends both pawns, holding the position together.
Black develops his knight, which gains time he lost earlier and prepares castling. Good move.
11. Nxe5 O-O
White gains another pawn unchallenged by black, who is slipping behind in material.
Black Castles, albeit on a side of the board which is open to attack by several white pieces. This position is less safe, and far from blacks' other pieces. White is however unable or unwilling to press the advantage here, preferring a slower game.
12. a4 Qb4
White opens space for his trapped rook, and takes away a square from the black bishop and queen. This pawn is defended by two pieces, and begins to cramp black's queenside game.
Black takes advantage of the hole provided by white's pawn move. However, no real gain was made by moving her here, and she becomes a target inside white's territory, aiding to her downfall.
13. Ra3 d6
White threatens to pin black's queen to one of two squares, both are disastrous for her. Best to retreat here.
Black counters with an attack on white's knight. Since white is ahead, he could in theory risk the entire knight and just go on a queen hunt. This is what white elects to do.
14. Rb3 Qc5
The black queen is forced onto one of two bad squares, and now has only one escape square. Black is in serious danger here. If 14....Qa5, then 15 Rxb8, Raxb8, (or Rfxb8), Nxc6 forking the Queen and Rook.
Advice: check out this position... it's useful in learning to avoid queen traps.
15. d4 Qxc4
White forces the black queen to the a5 square, forcing the above fork combination. Black plays a different move which immediately loses the queen.
Black takes the bishop, losing the queen to the knight.
16. Nxc4 Bxc4
White takes the queen, and then black forks the white rooks. White did not look ahead and see that, and must choose between his rooks. One rook can immediately take a knight, and then take another rook afterward if not immediately captured. The other, if moved, hangs the other rook anyway. So one rook sacrifices for the other.
17. Rxb8 Raxb8
Trading rook for knight is unfortunate, but White is up 3 points, and still has his queen.
18. Rd1 Ng4
White prepares to clear out the center and force his advantage, black is not in position to threaten the white king.
Black advances his knight, possibly attempting to weaken the white position or be ready to fork the rook, or king, or any piece in range. However, the knight attacks nothing which is undefended and can be chased away. Better might be ...Re8, attacking the doubled pawns again.
19. b3 Be6
Chases the black bishop away, and defends the pawn at the same time, limiting the scope of the white square bishop.
The Bishop moves to a square where it can be attacked again for a loss of time.
20. d5 cxd5
Forcing the question on the bishop, who trades pawn for pawn instead of moving back.
21. exd5 Bf5
White undoubles his pawn and attacks the Bishop with tempo, forcing it to move again.
Black chooses a square where it can be attacked again, losing more time.
22. e4 Bg6
White forces the question on the Bishop again, and Black moves to an unfortunate square where it is rather trapped and cannot move effectively, potentially losing more time.
23. h3 Rbc8
White forces the black Knight to retreat with a loss of time, but Black counterattacks instead, offering a trade.
When not to trade: When you're behind in material and it gains you nothing substantial.
24. Qd2 Ne5
White prefers to keep his knight, as it's helping defend the center pawns which are trapping the Bishop. He also develops his queen to a more useful square. Black develops his knight to a strong central fortified position, a good move.
25. Qd4 Rc7
White attacks an undefended pawn and also the black knight, which is defended, continues to defend the e pawn, and relieves the white knight so it can do other duties. A powerful centralized square. White must beware not to move his g pawn away from the g2 square, because a fork of the king and queen loses him the game.
Black defends the pawn and prepares to double his rooks, connecting them on the open c file.
26. Nb5 Rxc2
White forks 3 black pieces with his knight, forcing black to lose material somewhere
The Rook opts to take one of white's undeveloped and inactive pawns, to salvage some material. Better might be... Rd7.
27. Nxd6 Nd7
White regains the material and keeps the a pawn hanging for black. Black's knight is now undefended as well, and this move acts as a fork against Black's pieces. Black moves his knight to a passive square.
28. g4 f6
White is trying to box in the black bishop and advance his pawns to be more useful, but black counters with a space-opening move.
29. Rd2 Rc1+
White offers a bad trade for black, and black declines.
30. Kf2 Rfc8
This king move brings him closer to the center, to help assist in defense of his position. Blacks pieces are uncooperative with one another, and there is no imminent danger.
Black connects his rooks, but misses the white knight was defending the square, preventing any advantage there.
31. Nxc8 Rxc8
This trade forces black into a deeper hole. White has a queen for a passive knight and passive bishop, a large advantage.
32. Ke3 Re8
White defends his position with his king and queen, and black double attacks the e pawn.\
33. h4 Rxe4+
White allows black to force a rook and bishop for queen trade, but the advantage is still white's.
34. Qxe4 Bxe4
Rook versus Knight game, white is up a pawn as well, with better King position. Black's knight needs to move and assert itself.
35. Kxe4 Kf7
Black positions his King more effectively.
36. Rc2 a5
White prepares to pin the knight, takes away a forking square it could have moved to, and puts his rook on an open file.
Black prevents a knight and pawn fork, but is unable to strengthen his position further.
37. Rc7 Ke7
Pins the knight, and black allows the pin to continue, rendering the knight inactive.
38. Ra7 g6
Rook hangs the black a pawn, solidifying an advantage on the queenside which black cannot counter. The game is basically won here.
Black tries to force a kingside advantage to counter.
39. Rxa5 h5
Takes a free pawn, black offers a trade.
40. gxh5 gxh5
Bad trade for black, simplifying the position and reducing his options and fighting strength. To be fair, black cannot do anything here to really win this game or force a draw.
41. Ra7 Kd6
Re-asserting the king pin, and the king unpins the black knight, trying to get better defensive position.
42. Rxd7+ Kxd7
White does a final calculation. He sees that with the rook and knight off of the board, black becomes powerless to stop a queenside advantage and a kingside advantage, pawn-wise. The game is finally over for black.
43. Kf5 Kd6
White simplifies the position. Black grabs a pawn.
44. Kxf6 Kxd5
Black's other pawn is lost, and white's a or h pawn will queen.
45. Kg5 Kc5
Black must try and stop white's queenside pawns, giving white a free hand on the kingside to win the game.
46. Kxh5 Kb4
Black has no more pawns, and cannot win the game.
Black continues to try to grab the queen pawns, but if he takes the b pawn, the a pawn could queen anyway.
47. Kg5 Kxb3
The a pawn could queen itself, too, black's king cannot catch it. But white allows black to finish off his queenside.
48. h5 Kxa4
Advancing to promotion square. Black's last gasp.
49. h6
Black resigns, as the game is a forced win for white.
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