# Fast game against my Nokia

Sometimes, in the subway or when I get a little bored I take out my trusty cellphone and play a little game of chess. The games are not spectacular or even smart, but I feel I learn a lot by the subsequent (and a lot longer) computer analysis of the game. Without further delay, here is one of them:

1. b4 {The Polish opening. I plan on doing a post about it, I find it interesting and deliciously unappreciated} c6 2. d4 e6 3. c3 d5 4. Bf4 a5 5. a3 (5. b5 {The chess engine suggested this move sequence} cxb5 6. e3 Bd7 7. Bd3 b4 8. Nf3 Nf6 9. O-O Be7) 5. .. axb4 6. cxb4 (6. Bxb8 {computer suggested} Rxb8 7. axb4) 6. .. Nf6 (6. .. Bxb4+ {When I played the game, I wondered why Black didn't move like this. Apparently it was a better move.} 7. Bd2 Bd6 8. Nc3) 7. Nd2 Bd6 8. Bg3 O-O 9. e3 Qc7 10. f4 {The computer keeps nagging about developing pieces, but I moved the pawn} Re8 11. Bd3 Qb6 12. Ngf3 Nbd7 13. O-O Nf8 14. h3 Ng6 15. Ng5 h6 16. Ngf3 Nh5 17. Bf2 Ne7 18. Ng5 {Computer says this achieves equality, over its solution of 0.2, however it seemed a good idea to exchange knights and ruin Black's pawn structure.} Nxf4 {Ill advised by

the computer, Black accepts the exchange.} 19. Bh7+ (19. Nxf7 Kxf7 20. exf4

Kg8 21. g3 {I didn't like the computer suggestion: giving Black a semiopen

file and blocking my own rook.}) 19. .. Kf8 20. exf4 hxg5 (20. .. g6

{interesting suggestion by the computer: trap the bishop instead of taking

the knight.} 21. Ngf3 Kg7 22. Bxg6 Nxg6 {But I also did not enjoy the

resulting position}) 21. fxg5 (21. Qh5 {Computer suggested this,

considering my own move a blunder that would have lost 1 point.} Bxf4 22.

Nf3 Ng8 23. Nxg5 Bxg5 24. Qxg5 Qd8 25. Qc1) 21. .. Bf4 (21. .. g6 22. Qf3

Nf5 23. g4 Kg7 24. Bxg6 fxg6 25. h4 (25. gxf5 exf5 26. Nb3 Qd8 27. Qg2

{With all my pieces harrassed away and uncoordinated, the computer sees an

advantage of 3 for Black, even if material is the same.}) 25. .. Qc7 (25.

.. Nxd4 {This would have been an incredible blunder, leading to a quick

mate} 26. Qf6+ Kh7 27. Qf7+ Kh8 28. Qxe8+ Kh7 29. h5 Ne2+ 30. Kh1 Qxf2 31.

Rxf2 Ng3+ 32. Kh2 Nf5+ 33. Kh1 Kg7 34. gxf5 Bf8 35. hxg6 Ra5 36. Qf7+ Kh8

37. Qxf8#) 26. Rac1 Bd7 27. gxf5 exf5 {Strange suggestions from the

computer. Look at the variations to understand why!}) 22. Bh4 {I blundered!

Didn't see that d4 would be undefended and resulting in check. Advantage

for Black: 1.5.} Qxd4+ 23. Rf2 {Another blunder: +7 for Black!} (23. Bf2

Be3 (23. .. Qxd2 {Taking with the Queen seems to win a quick free knight,

but moved ahead show it to be otherwise} 24. Qh5 Nf5 25. Rad1 Qb2 26. Bxf5

exf5 27. Rde1 Be6 28. Bc5+ Kg8 29. Rxf4) 24. Qe1 Bxf2+ 25. Rxf2 g6 {Again

the thematic g6}) 23. .. Bxd2 24. Qxd2 Qxa1+ 25. Rf1 Qxa3 26. Qf4 f5 {It's

Black's turn to make a mistake. From 7 advantage to -4 in a single move.}

(26. .. Nf5 27. Qc7 g6 28. Rxf5 (28. Bf2 e5 29. Bxg6 fxg6 30. Qh7 d4 31.

Qxg6 Qa2 32. Qh5) 28. .. gxf5 29. Kh2 Bd7 30. g6 (30. Qxd7 Qxb4 31. g6 fxg6

32. Bg3 Re7 33. Qd6 (33. Bd6 Qf4+ 34. Kg1 (34. Bxf4 Rxd7) 34. .. Ra1#) 33.

.. Qxd6 34. Bxd6 g5 35. Bg6 d4 36. Kg3 b6 37. h4 gxh4+ 38. Kf4 c5 {White

can't stop a promotion.}) 30. .. Qxb4 31. Bg5 Qc3 32. gxf7 Qg7 33. Qd6+

(33. fxe8=Q+ Kxe8 34. Bd2 Qxh7) 33. .. Kxf7 34. Qxd7+ Kf8 35. Qd6+ Re7 36.

Bg6 c5 37. h4 c4 38. h5 c3 39. Qc5 Qe5+ 40. Kh3 Qc7 41. Qd4 e5 42. Bh6+ Kg8

43. Qxd5+ Rf7 44. Kh2 {And the dance goes on. What happened? Again, see the

variations for the most obvious moves. Black has 9.3 points ahead at this

moment.}) 27. gxf6 Nf5 28. fxg7+ Kxg7 29. Bxf5 {Oops! Equality again. The

mistakes of both players balance perfectly} (29. Qc7+ {This would have been

the best course of action} Bd7 30. Bxf5 Qe3+ 31. Kh2 exf5 32. Qxd7+ Kh6 33.

Rxf5 Rg8 34. Rh5+ Kxh5 35. Qh7+ Qh6 36. g4+ Kxh4 37. Qxh6#) 29. .. exf5 30.

Qg5+ Kh8 {Equality would have been preserved if the king would have moved

Kf8. As such, defeat is unavoidable.} (30. .. Kf8 31. Qf6+ Kg8 32. Qg6+ Kf8

33. Bf6 Qe3+ 34. Kh2 Re7 35. Rf3 Qe6 36. Rg3 Ra2 37. Qh6+ Ke8 38. Qh8+ Kd7

39. Bxe7 Kxe7 40. Rg7+ Kd6 41. Qd8+ Ke5 42. Re7 d4 43. Rxe6+ Bxe6 {And this

is again complete equality.}) 31. Qh6+ {Instead, I almost equalize AGAIN!}

(31. Qh5+ Kg7 32. Qxe8 Qb2 33. Qe7+ Kg6 34. Rf3 Ra3 35. Qd6+ Kf7 36. Qc7+

Kg6 37. Qxc8 Rxf3 38. Qg8+ Qg7 39. Qxg7+ Kxg7 40. gxf3 Kf7 {The computer

version leads to a long endgame, but the advantage is clearly White's.})

31. .. Kg8 32. Qg6+ Kf8 33. Bf6 {and I allow Black to get into the Kf8

variation described above, only instead of Qe3, they do a Qa7, which seals

Black's fate.} Qa7+ 34. Kh1 Qg1+ 35. Rxg1 Re7 {Black's rook, undefended by

the Queen, is only delaying the inevitable. Of course, my ineptitude delays

it even more, so see the computer variation for a short ending.} 36. Bxe7+

(36. Qh5 d4 37. Qh8+ Kf7 38. Qg7+ Ke6 39. Qxe7+ Kd5 40. Rc1 Be6 41. Qc5+

Ke4 42. Qxd4#) 36. .. Kxe7 37. Re1+ Kd8 38. Qf7 Bd7 39. Qf8+ Kc7 40. Qxa8

c5 41. bxc5 f4 42. Re7 f3 43. gxf3 Kc6 44. Qa4+ b5 45. Qa6+ Kxc5 46. Rxd7

b4 47. Qd6+ Kc4 48. Qxd5+ Kc3 49. Qd4+ Kb3 50. Rb7 Kc2 51. Rxb4 Kc1 52.

Qb2+ Kd1 53. Ra4 Ke1 54. Ra1# *

1. b4 {The Polish opening. I plan on doing a post about it, I find it interesting and deliciously unappreciated} c6 2. d4 e6 3. c3 d5 4. Bf4 a5 5. a3 (5. b5 {The chess engine suggested this move sequence} cxb5 6. e3 Bd7 7. Bd3 b4 8. Nf3 Nf6 9. O-O Be7) 5. .. axb4 6. cxb4 (6. Bxb8 {computer suggested} Rxb8 7. axb4) 6. .. Nf6 (6. .. Bxb4+ {When I played the game, I wondered why Black didn't move like this. Apparently it was a better move.} 7. Bd2 Bd6 8. Nc3) 7. Nd2 Bd6 8. Bg3 O-O 9. e3 Qc7 10. f4 {The computer keeps nagging about developing pieces, but I moved the pawn} Re8 11. Bd3 Qb6 12. Ngf3 Nbd7 13. O-O Nf8 14. h3 Ng6 15. Ng5 h6 16. Ngf3 Nh5 17. Bf2 Ne7 18. Ng5 {Computer says this achieves equality, over its solution of 0.2, however it seemed a good idea to exchange knights and ruin Black's pawn structure.} Nxf4 {Ill advised by

the computer, Black accepts the exchange.} 19. Bh7+ (19. Nxf7 Kxf7 20. exf4

Kg8 21. g3 {I didn't like the computer suggestion: giving Black a semiopen

file and blocking my own rook.}) 19. .. Kf8 20. exf4 hxg5 (20. .. g6

{interesting suggestion by the computer: trap the bishop instead of taking

the knight.} 21. Ngf3 Kg7 22. Bxg6 Nxg6 {But I also did not enjoy the

resulting position}) 21. fxg5 (21. Qh5 {Computer suggested this,

considering my own move a blunder that would have lost 1 point.} Bxf4 22.

Nf3 Ng8 23. Nxg5 Bxg5 24. Qxg5 Qd8 25. Qc1) 21. .. Bf4 (21. .. g6 22. Qf3

Nf5 23. g4 Kg7 24. Bxg6 fxg6 25. h4 (25. gxf5 exf5 26. Nb3 Qd8 27. Qg2

{With all my pieces harrassed away and uncoordinated, the computer sees an

advantage of 3 for Black, even if material is the same.}) 25. .. Qc7 (25.

.. Nxd4 {This would have been an incredible blunder, leading to a quick

mate} 26. Qf6+ Kh7 27. Qf7+ Kh8 28. Qxe8+ Kh7 29. h5 Ne2+ 30. Kh1 Qxf2 31.

Rxf2 Ng3+ 32. Kh2 Nf5+ 33. Kh1 Kg7 34. gxf5 Bf8 35. hxg6 Ra5 36. Qf7+ Kh8

37. Qxf8#) 26. Rac1 Bd7 27. gxf5 exf5 {Strange suggestions from the

computer. Look at the variations to understand why!}) 22. Bh4 {I blundered!

Didn't see that d4 would be undefended and resulting in check. Advantage

for Black: 1.5.} Qxd4+ 23. Rf2 {Another blunder: +7 for Black!} (23. Bf2

Be3 (23. .. Qxd2 {Taking with the Queen seems to win a quick free knight,

but moved ahead show it to be otherwise} 24. Qh5 Nf5 25. Rad1 Qb2 26. Bxf5

exf5 27. Rde1 Be6 28. Bc5+ Kg8 29. Rxf4) 24. Qe1 Bxf2+ 25. Rxf2 g6 {Again

the thematic g6}) 23. .. Bxd2 24. Qxd2 Qxa1+ 25. Rf1 Qxa3 26. Qf4 f5 {It's

Black's turn to make a mistake. From 7 advantage to -4 in a single move.}

(26. .. Nf5 27. Qc7 g6 28. Rxf5 (28. Bf2 e5 29. Bxg6 fxg6 30. Qh7 d4 31.

Qxg6 Qa2 32. Qh5) 28. .. gxf5 29. Kh2 Bd7 30. g6 (30. Qxd7 Qxb4 31. g6 fxg6

32. Bg3 Re7 33. Qd6 (33. Bd6 Qf4+ 34. Kg1 (34. Bxf4 Rxd7) 34. .. Ra1#) 33.

.. Qxd6 34. Bxd6 g5 35. Bg6 d4 36. Kg3 b6 37. h4 gxh4+ 38. Kf4 c5 {White

can't stop a promotion.}) 30. .. Qxb4 31. Bg5 Qc3 32. gxf7 Qg7 33. Qd6+

(33. fxe8=Q+ Kxe8 34. Bd2 Qxh7) 33. .. Kxf7 34. Qxd7+ Kf8 35. Qd6+ Re7 36.

Bg6 c5 37. h4 c4 38. h5 c3 39. Qc5 Qe5+ 40. Kh3 Qc7 41. Qd4 e5 42. Bh6+ Kg8

43. Qxd5+ Rf7 44. Kh2 {And the dance goes on. What happened? Again, see the

variations for the most obvious moves. Black has 9.3 points ahead at this

moment.}) 27. gxf6 Nf5 28. fxg7+ Kxg7 29. Bxf5 {Oops! Equality again. The

mistakes of both players balance perfectly} (29. Qc7+ {This would have been

the best course of action} Bd7 30. Bxf5 Qe3+ 31. Kh2 exf5 32. Qxd7+ Kh6 33.

Rxf5 Rg8 34. Rh5+ Kxh5 35. Qh7+ Qh6 36. g4+ Kxh4 37. Qxh6#) 29. .. exf5 30.

Qg5+ Kh8 {Equality would have been preserved if the king would have moved

Kf8. As such, defeat is unavoidable.} (30. .. Kf8 31. Qf6+ Kg8 32. Qg6+ Kf8

33. Bf6 Qe3+ 34. Kh2 Re7 35. Rf3 Qe6 36. Rg3 Ra2 37. Qh6+ Ke8 38. Qh8+ Kd7

39. Bxe7 Kxe7 40. Rg7+ Kd6 41. Qd8+ Ke5 42. Re7 d4 43. Rxe6+ Bxe6 {And this

is again complete equality.}) 31. Qh6+ {Instead, I almost equalize AGAIN!}

(31. Qh5+ Kg7 32. Qxe8 Qb2 33. Qe7+ Kg6 34. Rf3 Ra3 35. Qd6+ Kf7 36. Qc7+

Kg6 37. Qxc8 Rxf3 38. Qg8+ Qg7 39. Qxg7+ Kxg7 40. gxf3 Kf7 {The computer

version leads to a long endgame, but the advantage is clearly White's.})

31. .. Kg8 32. Qg6+ Kf8 33. Bf6 {and I allow Black to get into the Kf8

variation described above, only instead of Qe3, they do a Qa7, which seals

Black's fate.} Qa7+ 34. Kh1 Qg1+ 35. Rxg1 Re7 {Black's rook, undefended by

the Queen, is only delaying the inevitable. Of course, my ineptitude delays

it even more, so see the computer variation for a short ending.} 36. Bxe7+

(36. Qh5 d4 37. Qh8+ Kf7 38. Qg7+ Ke6 39. Qxe7+ Kd5 40. Rc1 Be6 41. Qc5+

Ke4 42. Qxd4#) 36. .. Kxe7 37. Re1+ Kd8 38. Qf7 Bd7 39. Qf8+ Kc7 40. Qxa8

c5 41. bxc5 f4 42. Re7 f3 43. gxf3 Kc6 44. Qa4+ b5 45. Qa6+ Kxc5 46. Rxd7

b4 47. Qd6+ Kc4 48. Qxd5+ Kc3 49. Qd4+ Kb3 50. Rb7 Kc2 51. Rxb4 Kc1 52.

Qb2+ Kd1 53. Ra4 Ke1 54. Ra1# *

*Update April 2016:*Here is the same game on the Lichess server, complete with computer analysis and human readable mistakes and blunders.
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