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ANNOTATED GAME
B12 Caro-Kann against Excalibur DTC
Chessknave vs. Excalibur
Annotated by: chessknave (1560)
Chess opening: Caro-Kann defence (B12)
Chessknave vs. Excalibur
Annotated by: chessknave (1560)
Chess opening: Caro-Kann defence (B12)
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17... Rg8 18. Rg5 |
I weighed the value of rook to bishop and decided that the bishop was more valueable. This lead to the idea of offering an exchange sacrifice to eliminate the competition of the dark squares, the opponents bishop. | ||||||
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18... Bh6 19. Be3 |
A waiting move. In retrospect, I could have moved 19.Nd2 to develop a piece instead. | ||||||
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19... Bxg5 20. Bxg5 |
Now the bishop can be used on the b8-h2 or d8-h4 diagonals for control. | ||||||
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20... Qc7 |
A loss of time because d7 is unavailable for a next move and 21.Bf4 chases the queen. | ||||||
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21. Bf4 Qb6 22. Be5 |
Taking the bishop off the f file to prevent any exchange sacrifice ideas, using the center, maintaining control of the b8-h2 diagonal. | ||||||
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22... Rgf8 |
Rook to an open file for mobility. | ||||||
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23. Nd2 |
Developing the knight with an idea of queenside castling. | ||||||
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23... Qa5 24. O-O-O |
Not fearing the reaper. | ||||||
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24... Qxa2 |
Not so much worry for white because the queen is a sole attacker. | ||||||
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25. Nc3 |
The knight will be used for cover at b1. | ||||||
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25... Qa1+ 26. Ncb1 Rf2 |
With the idea of 27...Rdf8 to double the rooks and to exert influence on the 7th rank. | ||||||
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27. Qh4 |
A double attack. See e7 and f2. | ||||||
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27... e3 |
One of the replies to an attack is a counter attack, which in this case looks particularly threatening. But white has an idea with focus at c7. | ||||||
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28. Qxe7 |
The threat is 29.Qc7 mate in one. Black has to keep white occupied to prevent this threat. | ||||||
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28... exd2+ |
Check to keep white busy defending. | ||||||
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29. Rxd2 Rf1+ 30. Rd1 Rxd1+ 31. Kxd1 |
The knight is indirectly safe because if 31...Qxb1 , then 32.Kd2 and the black queen can not return to the a5-d8 diagonal where needed to prevent mate. | ||||||
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31... Qa5 |
The correct move. | ||||||
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32. Qf7 |
Shifting to a new plan involving e6-e7-e8Q, or e6-e7-exd8Q. | ||||||
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32... c5 |
Sadly, the rook at d8 is imobilized. Look at d7, d6, e8, f8, g8, and h8. These are all squares where the rook will be lost if it moves. This shows the quality of the bishop at e5, and the pawn at e6, and the influence of the queen at f7. | ||||||
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33. e7 |
Knowing the rook must meet its fate. Even now, 33...Rd7 is met with 34.Qe8 Rd8 35.exd8Q Qxd8 36.Qe6 with mate inevidable. | ||||||
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